2010-08-27 Doug Kwan <dougkwan@google.com>
[binutils-gdb.git] / gold / ChangeLog
1 2010-08-27 Doug Kwan <dougkwan@google.com>
2
3 * gold/resolve.cc (Symbol_table::should_override): Let a weak
4 reference override an existing dynamic weak reference.
5 * testsuite/Makefile.am: Add new test dyn_weak_ref.
6 * testsuite/Makefile.in: Regenerate.
7 * testsuite/dyn_weak_ref.sh: New file.
8 * testsuite/dyn_weak_ref_1.c: Ditto.
9 * testsuite/dyn_weak_ref_2.c: Ditto.
10
11 2010-08-27 Ian Lance Taylor <iant@google.com>
12
13 * incremental.h (class Incremental_input_entry): Add virtual
14 destructor.
15
16 2010-08-27 Ian Lance Taylor <iant@google.com>
17
18 * testsuite/start_lib_test_3.c: Mark t3 as used.
19
20 2010-08-27 Nick Clifton <nickc@redhat.com>
21
22 * options.cc (version_script): Fix small typo in previous
23 whitespace tidyup.
24
25 2010-08-25 Nick Clifton <nickc@redhat.com>
26
27 * archive.cc: Formatting fixes: Remove whitespace between
28 typename and following asterisk. Remove whitespace between
29 function name and opening parenthesis.
30 * archive.h: Likewise.
31 * arm.cc: Likewise.
32 * attributes.cc: Likewise.
33 * attributes.h: Likewise.
34 * common.cc: Likewise.
35 * copy-relocs.cc: Likewise.
36 * dirsearch.h: Likewise.
37 * dynobj.cc: Likewise.
38 * ehframe.cc: Likewise.
39 * ehframe.h: Likewise.
40 * expression.cc: Likewise.
41 * fileread.cc: Likewise.
42 * fileread.h: Likewise.
43 * gc.h: Likewise.
44 * gold-threads.cc: Likewise.
45 * gold.cc: Likewise.
46 * i386.cc: Likewise.
47 * icf.h: Likewise.
48 * incremental-dump.cc: Likewise.
49 * incremental.cc: Likewise.
50 * layout.cc: Likewise.
51 * layout.h: Likewise.
52 * main.cc: Likewise.
53 * merge.cc: Likewise.
54 * merge.h: Likewise.
55 * object.cc: Likewise.
56 * object.h: Likewise.
57 * options.cc: Likewise.
58 * options.h: Likewise.
59 * output.cc: Likewise.
60 * output.h: Likewise.
61 * plugin.cc: Likewise.
62 * plugin.h: Likewise.
63 * powerpc.cc: Likewise.
64 * reloc.cc: Likewise.
65 * script-c.h: Likewise.
66 * script-sections.cc: Likewise.
67 * script.cc: Likewise.
68 * stringpool.cc: Likewise.
69 * symtab.cc: Likewise.
70 * symtab.h: Likewise.
71 * target.cc: Likewise.
72 * timer.cc: Likewise.
73 * timer.h: Likewise.
74 * version.cc: Likewise.
75 * x86_64.cc: Likewise.
76
77 2010-08-24 Nick Clifton <nickc@redhat.com>
78
79 PR 11899
80 * layout.cc (segment_precedes): Sort segments by their physical
81 addresses, if they have been set.
82
83 2010-08-23 Cary Coutant <ccoutant@google.com>
84
85 * archive.cc (Lib_group::add_symbols): Lock object before deleting its
86 symbols data.
87 (Lib_group::include_member): Unlock object after deleting its
88 symbols data.
89 * testsuite/start_lib_test_3.c: Remove all global symbols to trigger
90 the bug fixed here.
91
92 2010-08-19 Neil Vachharajani <nvachhar@google.com>
93 Cary Coutant <ccoutant@google.com>
94
95 * gold/archive.h (Add_lib_group_symbols): Add readsyms_blocker_, adjust
96 constructor, and set_blocker.
97 * gold/archive.cc (Add_lib_group_symbols::is_runnable): Also check
98 readsyms_blocker_.
99 * gold/readsyms.cc (Read_symbols::do_lib_group): Also pass
100 this->this_blocker_ to Add_lib_group_symbols::set_blocker.
101 * testsuite/Makefile.am (start_lib_test): New test case.
102 * testsuite/Makefile.in: Regenerate.
103 * testsuite/start_lib_test_main.c: New file.
104 * testsuite/start_lib_test_1.c: New file.
105 * testsuite/start_lib_test_2.c: New file.
106 * testsuite/start_lib_test_3.c: New file.
107
108 2010-08-19 Ian Lance Taylor <iant@google.com>
109
110 * Makefile.in: Rebuild with automake 1.11.1.
111 * aclocal.m4: Likewise.
112 * testsuite/Makefile.in: Likewise.
113
114 2010-08-19 Ian Lance Taylor <iant@google.com>
115
116 PR 10893
117 * i386.cc (class Output_data_plt_i386): Update declarations.
118 Define Global_ifunc and Local_ifunc types. Add global_ifuncs_ and
119 local_ifuncs_ fields.
120 (Target_i386::do_plt_section_for_global): New function.
121 (Target_i386::do_plt_section_for_local): New function.
122 (Output_data_plt_i386::Output_data_plt_i386): Add symtab
123 parameter; change all callers. Initialize global_ifuncs_ and
124 local_ifuncs_. If doing a static link define __rel_iplt_start and
125 __rel_iplt_end.
126 (Output_data_plt_i386::add_entry): Handle IFUNC symbols.
127 (Output_data_plt_i386::add_local_ifunc_entry): New function.
128 (Output_data_plt_i386::do_write): Fix GOT entries for IFUNC
129 symbols.
130 (Target_i386::make_plt_section): New function, broken out of
131 make_plt_entry. Set sh_info field of .rel.plt to point to .plt.
132 (Target_i386::make_plt_entry): Call make_plt_section.
133 (Target_i386::make_local_ifunc_plt_entry): New function.
134 (Target_i386::Scan::reloc_needs_iplt_for_ifunc): New function.
135 (Target_i386::Scan::local): Handle IFUNC symbols. Add
136 R_386_IRELATIVE to switch.
137 (Target_i386::Scan::global): Likewise.
138 (Target_i386::Relocate::relocate): Likewise.
139 (Target_i386::Relocatable_size_for_reloc): Add R_386_IRELATIVE to
140 switch.
141 * x86_64.cc (class Output_data_plt_x86_64): Update declarations.
142 (Target_x86_64::do_plt_section_for_global): New function.
143 (Target_x86_64::do_plt_section_for_local): New function.
144 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add symtab
145 parameter; change all callers. If doing a static link define
146 __rela_iplt_start and __rela_iplt_end.
147 (Output_data_plt_x86_64::add_entry): Handle IFUNC symbols.
148 (Output_data_plt_x86_64::add_local_ifunc_entry): New function.
149 (Target_x86_64::make_plt_section): Set sh_info field of .rel.plt
150 to point to .plt.
151 (Target_x86_64::make_local_ifunc_plt_entry): New function.
152 (Target_x86_64::Scan::check_non_pic): Add R_X86_64_IRELATIVE to
153 switch.
154 (Target_x86_64::Scan::reloc_needs_iplt_for_ifunc): New function.
155 (Target_x86_64::Scan::local): Handle IFUNC symbols. Add
156 R_X86_64_IRELATIVE to switch.
157 (Target_x86_64::Scan::global): Likewise.
158 (Target_x86_64::Relocate::relocate): Likewise.
159 (Target_x86_64::Relocatable_size_for_reloc): Add R_X86_64_IRELATIVE to
160 switch.
161 * target.h (class Target): Add plt_section_for_global and
162 plt_section_for_local functions. Add do_plt_section_for_global
163 and do_plt_section_for_local virtual functions.
164 * symtab.h (Symbol::needs_plt_entry): Handle IFUNC symbol. Add
165 clarifying comments.
166 (Symbol::use_plt_offset): Handle IFUNC symbol.
167 * object.cc (Sized_relobj::Sized_relobj): Initialize
168 local_plt_offsets_.
169 (Sized_relobj::local_has_plt_offset): New function.
170 (Sized_relobj::local_plt_offset): New function.
171 (Sized_relobj::set_local_plt_offset): New function.
172 (Sized_relobj::do_count): Handle IFUNC symbol.
173 * object.h (class Symbol_value): Add is_ifunc_symbol_ field. Take
174 a bit away from input_shndx_ field. Add set_is_func_symbol and
175 is_ifunc_symbol functions.
176 (class Sized_relobj): Update declarations. Remove Tls_got_entry
177 and Local_tls_got_offsets. Define Local_plt_offsets. Add
178 local_plt_offsets_ field.
179 (Sized_relobj::clear_local_symbols): Clear local_plt_offsets_.
180 * output.h (class Output_section_data): Add non-const
181 output_section function.
182 (class Output_data_got): Update declarations.
183 (class Output_data_got::Got_entry): Add use_plt_offset_ field.
184 Add use_plt_offset parameter to global and local constructors.
185 Change all callers. Change local_sym_index_ field to 31 bits.
186 Change GSYM_CODE and CONSTANT_CODE accordingly.
187 * output.cc (Output_data_reloc_base::do_adjust_output_section): If
188 doing a static link don't set sh_link field.
189 (Output_data_got::Got_entry::write): Use PLT offset if
190 appropriate.
191 (Output_data_got::add_global_plt): New function.
192 (Output_data_got::add_local_plt): New function.
193 * target-reloc.h (relocate_section): Handle IFUNC symbol.
194 * defstd.cc (in_section): Remove entries for __rel_iplt_start,
195 __rel_iplt_end, __rela_iplt_start, and __rela_iplt_end.
196 * configure.ac: Set IFUNC automake conditional for glibc >= 2.11.
197 * testsuite/Makefile.am: Add a bunch of IFUNC tests, all within
198 IFUNC conditional.
199 * testsuite/ifunc-sel.h: New file.
200 * testsuite/ifuncmain1.c: New file.
201 * testsuite/ifuncmain1vis.c: New file.
202 * testsuite/ifuncmod1.c: New file.
203 * testsuite/ifuncdep2.c: New file.
204 * testsuite/ifuncmain2.c: New file.
205 * testsuite/ifuncmain3.c: New file.
206 * testsuite/ifuncmod3.c: New file.
207 * testsuite/ifuncmain4.c: New file.
208 * testsuite/ifuncmain5.c: New file.
209 * testsuite/ifuncmod5.c: New file.
210 * testsuite/ifuncmain6pie.c: New file.
211 * testsuite/ifuncmod6.c: New file.
212 * testsuite/ifuncmain7.c: New file.
213 * configure, testsuite/Makefile.in: Rebuild.
214
215 2010-08-18 Ian Lance Taylor <iant@google.com>
216
217 * incremental.cc
218 (Output_section_incremental_inputs::write_input_files): Add cast
219 to avoid signed/unsigned comparison warning.
220 (Output_section_incremental_inputs::write_info_blocks): Likewise.
221
222 2010-08-12 Cary Coutant <ccoutant@google.com>
223
224 * common.cc (Sort_commons::operator()): Remove unnecessary code.
225
226 2010-08-13 Ian Lance Taylor <iant@google.com>
227
228 * testsuite/incremental_test_1.c: Add prototype to avoid warning.
229
230 2010-08-12 Cary Coutant <ccoutant@google.com>
231 Doug Kwan <dougkwan@google.com>
232
233 * resolve.cc (Symbol_table::should_override): When a weak dynamic
234 defintion overrides non-weak undef, remember that the original undef
235 is not weak.
236 * symtab.cc (Symbol_table::sized_write_global): For undef without
237 an original weak binding, set binding to global in output.
238 * testsuite/Makefile.am: Add new test strong_ref_weak_def.
239 * testsuite/Makefile.in: Regenerate.
240 * testsuite/strong_ref_weak_def.sh: New file.
241 * testsuite/strong_ref_weak_def_1.c: Ditto.
242 * testsuite/strong_ref_weak_def_2.c: Ditto.
243
244 2010-08-12 Cary Coutant <ccoutant@google.com>
245
246 * testsuite/incremental_test.sh: Rewrite.
247 * testsuite/incremental_test_1.c: Rewrite.
248 * testsuite/incremental_test_2.c: Rewrite.
249
250 2010-08-12 Cary Coutant <ccoutant@google.com>
251
252 * arm.cc (Target_arm::got_size): Add const.
253 (Target_arm::got_entry_count): New function.
254 (Target_arm::plt_entry_count): New function.
255 (Target_arm::first_plt_entry_offset): New function.
256 (Target_arm::plt_entry_size): New function.
257 (Output_data_plt_arm::entry_count): New function.
258 (Output_data_plt_arm::first_plt_entry_offset): New function.
259 (Output_data_plt_arm::get_plt_entry_size): New function.
260 * i386.cc (Target_i386::got_size): Add const.
261 (Target_i386::got_entry_count): New function.
262 (Target_i386::plt_entry_count): New function.
263 (Target_i386::first_plt_entry_offset): New function.
264 (Target_i386::plt_entry_size): New function.
265 (Output_data_plt_i386::entry_count): New function.
266 (Output_data_plt_i386::first_plt_entry_offset): New function.
267 (Output_data_plt_i386::get_plt_entry_size): New function.
268 * incremental-dump.cc (dump_incremental_inputs): Adjust call to
269 find_incremental_inputs_sections. Dump incremental_got_plt section.
270 * incremental.cc: Include target.h.
271 (Sized_incremental_binary::do_find_incremental_inputs_sections): Add
272 parameter. Adjust all callers. Find incremental_got_plt section.
273 (Incremental_inputs::create_data_sections): Create incremental_got_plt
274 section.
275 (Output_section_incremental_inputs::set_final_data_size): Calculate
276 size of incremental_got_plt section.
277 (Output_section_incremental_inputs::do_write): Write the
278 incremental_got_plt section.
279 (Got_plt_view_info): New struct.
280 (Local_got_offset_visitor): New class.
281 (Global_got_offset_visitor): New class.
282 (Global_symbol_visitor_got_plt): New class.
283 (Output_section_incremental_inputs::write_got_plt): New function.
284 * incremental.h (Incremental_binary::find_incremental_inputs_sections):
285 Add parameter. Adjust all callers.
286 (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
287 (Incremental_inputs::got_plt_section): New function.
288 (Incremental_inputs::got_plt_section_): New data member.
289 (Incremental_got_plt_reader): New class.
290 * layout.cc (Layout::create_incremental_info_sections): Add the
291 incremental_got_plt section.
292 * object.h (Got_offset_list::get_list): New function.
293 (Got offset_list::for_all_got_offsets): New function.
294 (Sized_relobj::local_got_offset_list): New function.
295 * powerpc.cc (Target_powerpc::got_size): Add const.
296 (Target_powerpc::got_entry_count): New function.
297 (Target_powerpc::plt_entry_count): New function.
298 (Target_powerpc::first_plt_entry_offset): New function.
299 (Target_powerpc::plt_entry_size): New function.
300 (Output_data_plt_powerpc::entry_count): New function.
301 (Output_data_plt_powerpc::first_plt_entry_offset): New function.
302 (Output_data_plt_powerpc::get_plt_entry_size): New function.
303 * sparc.cc (Target_sparc::got_size): Add const.
304 (Target_sparc::got_entry_count): New function.
305 (Target_sparc::plt_entry_count): New function.
306 (Target_sparc::first_plt_entry_offset): New function.
307 (Target_sparc::plt_entry_size): New function.
308 (Output_data_plt_sparc::entry_count): New function.
309 (Output_data_plt_sparc::first_plt_entry_offset): New function.
310 (Output_data_plt_sparc::get_plt_entry_size): New function.
311 * symtab.h (Symbol::got_offset_list): New function.
312 (Symbol_table::for_all_symbols): New function.
313 * target.h (Sized_target::got_entry_count): New function.
314 (Sized_target::plt_entry_count): New function.
315 (Sized_target::plt_entry_size): New function.
316 * x86_64.cc (Target_x86_64::got_size): Add const.
317 (Target_x86_64::got_entry_count): New function.
318 (Target_x86_64::plt_entry_count): New function.
319 (Target_x86_64::first_plt_entry_offset): New function.
320 (Target_x86_64::plt_entry_size): New function.
321 (Output_data_plt_x86_64::entry_count): New function.
322 (Output_data_plt_x86_64::first_plt_entry_offset): New function.
323 (Output_data_plt_x86_64::get_plt_entry_size): New function.
324
325 2010-08-12 Cary Coutant <ccoutant@google.com>
326
327 * archive.cc: Include incremental.h.
328 (Archive::Archive): Initialize incremental_info_.
329 (Archive::include_member): Record archive members in incremental info.
330 (Add_archive_symbols::run): Record begin and end of an archive in
331 incremental info.
332 (Lib_group::include_member): Record objects in incremental info.
333 * archive.h (Incremental_archive_entry): Forward declaration.
334 (Archive::set_incremental_info): New member function.
335 (Archive::incremental_info): New member function.
336 (Archive::Unused_symbol_iterator): New class.
337 (Archive::unused_symbols_begin): New member function.
338 (Archive::unused_symbols_end): New member function.
339 (Archive::incremental_info_): New data member.
340 * incremental-dump.cc (find_input_containing_global): New function.
341 (dump_incremental_inputs): Dump new incremental info sections.
342 * incremental.cc: Include symtab.h.
343 (Output_section_incremental_inputs): New class.
344 (Sized_incremental_binary::do_find_incremental_inputs_sections): Support
345 new incremental info sections.
346 (Sized_incremental_binary::do_check_inputs): Likewise.
347 (Incremental_inputs::report_archive): Remove.
348 (Incremental_inputs::report_archive_begin): New function.
349 (Incremental_inputs::report_archive_end): New function.
350 (Incremental_inputs::report_object): New function.
351 (Incremental_inputs::finalize_inputs): Remove.
352 (Incremental_inputs::report_input_section): New function.
353 (Incremental_inputs::report_script): Rewrite.
354 (Incremental_inputs::finalize): Do nothing but finalize string table.
355 (Incremental_inputs::create_incremental_inputs_section_data): Remove.
356 (Incremental_inputs::sized_create_inputs_section_data): Remove.
357 (Incremental_inputs::create_data_sections): New function.
358 (Incremental_inputs::relocs_entsize): New function.
359 (Output_section_incremental_inputs::set_final_data_size): New function.
360 (Output_section_incremental_inputs::do_write): New function.
361 (Output_section_incremental_inputs::write_header): New function.
362 (Output_section_incremental_inputs::write_input_files): New function.
363 (Output_section_incremental_inputs::write_info_blocks): New function.
364 (Output_section_incremental_inputs::write_symtab): New function.
365 * incremental.h (Incremental_script_entry): Forward declaration.
366 (Incremental_object_entry): Forward declaration.
367 (Incremental_archive_entry): Forward declaration.
368 (Incremental_inputs): Forward declaration.
369 (Incremental_inputs_header_data): Remove.
370 (Incremental_inputs_header): Remove.
371 (Incremental_inputs_header_write): Remove.
372 (Incremental_inputs_entry_data): Remove.
373 (Incremental_inputs_entry): Remove.
374 (Incremental_inputs_entry_write): Remove.
375 (enum Incremental_input_type): Add INCREMENTAL_INPUT_ARCHIVE_MEMBER.
376 (Incremental_binary::find_incremental_inputs_sections): Add parameters.
377 (Incremental_binary::do_find_incremental_inputs_sections): Likewise.
378 (Sized_ncremental_binary::do_find_incremental_inputs_sections):
379 Likewise.
380 (Incremental_input_entry): New class.
381 (Incremental_script_entry): New class.
382 (Incremental_object_entry): New class.
383 (Incremental_archive_entry): New class.
384 (Incremental_inputs::Incremental_inputs): Initialize new data members.
385 (Incremental_inputs::report_inputs): Remove.
386 (Incremental_inputs::report_archive): Remove.
387 (Incremental_inputs::report_archive_begin): New function.
388 (Incremental_inputs::report_archive_end): New function.
389 (Incremental_inputs::report_object): Change prototype.
390 (Incremental_inputs::report_input_section): New function.
391 (Incremental_inputs::report_script): Change prototype.
392 (Incremental_inputs::get_reloc_count): New function.
393 (Incremental_inputs::set_reloc_count): New function.
394 (Incremental_inputs::create_data_sections): New function.
395 (Incremental_inputs::create_incremental_inputs_section_data): Remove.
396 (Incremental_inputs::inputs_section): New function.
397 (Incremental_inputs::symtab_section): New function.
398 (Incremental_inputs::relocs_section): New function.
399 (Incremental_inputs::get_stringpool): Add const.
400 (Incremental_inputs::command_line): Add const.
401 (Incremental_inputs::inputs): Remove.
402 (Incremental_inputs::command_line_key): New function.
403 (Incremental_inputs::input_file_count): New function.
404 (Incremental_inputs::input_files): New function.
405 (Incremental_inputs::relocs_entsize): New function.
406 (Incremental_inputs::sized_create_inputs_section_data): Remove.
407 (Incremental_inputs::finalize_inputs): Remove.
408 (Incremental_inputs::Input_info): Remove.
409 (Incremental_inputs::lock_): Remove.
410 (Incremental_inputs::inputs_): Change type.
411 (Incremental_inputs::inputs_map_): Remove.
412 (Incremental_inputs::current_object_entry_): New data member.
413 (Incremental_inputs::inputs_section_): New data member.
414 (Incremental_inputs::symtab_section_): New data member.
415 (Incremental_inputs::relocs_section_): New data member.
416 (Incremental_inputs::reloc_count_): New data member.
417 (Incremental_inputs_reader): New class.
418 (Incremental_symtab_reader): New class.
419 (Incremental_relocs_reader): New class.
420 * layout.cc (Layout::finalize): Move finalization of incremental info
421 and creation of incremental info sections to follow finalization of
422 symbol table. Set offsets for postprocessing sections.
423 (Layout::create_incremental_info_sections): Call
424 Incremental_inputs::create_data_sections. Add incremental symtab
425 and relocs sections. Set sh_entsize and sh_link fields. Arrange for
426 sections to layout after input sections.
427 * layout.h (struct Timespec): Forward declaration.
428 (Layout::incremental_inputs): Add const.
429 (Layout::create_incremental_info_sections): Add parameter.
430 * main.cc (main): Remove call to Incremental_inputs::report_inputs.
431 * object.cc: Include incremental.h.
432 (Relobj::finalize_incremental_relocs): New function.
433 (Sized_relobj::do_layout): Record input sections in incremental info.
434 * object.h (Object::output_section): New function.
435 (Object::output_section_offset): Moved from Relobj.
436 (Object::get_incremental_reloc_base): New function.
437 (Object::get_incremental_reloc_count): New function.
438 (Object::do_output_section): New function.
439 (Object::do_output_section_offset): Moved from Relobj.
440 (Object::do_get_incremental_reloc_base): New function.
441 (Object::do_get_incremental_reloc_count): New function.
442 (Object::Object): Initialize new data members.
443 (Relobj::output_section): Renamed do_output_section and moved to
444 protected.
445 (Relobj::output_section_offset): Moved to Object.
446 (Relobj::do_get_incremental_reloc_base): New function.
447 (Relobj::do_get_incremental_reloc_count): New function.
448 (Relobj::allocate_incremental_reloc_counts): New function.
449 (Relobj::count_incremental_reloc): New function.
450 (Relobj::finalize_incremental_relocs): New function.
451 (Relobj::next_incremental_reloc_index): New function.
452 (Relobj::reloc_counts_): New data member.
453 (Relobj::reloc_bases_): New data member.
454 (Sized_relobj::do_relocate_sections): Add parameter. Change caller.
455 (Sized_relobj::relocate_sections): Add parameter. Change all callers.
456 (Sized_relobj::incremental_relocs_scan): New function.
457 (Sized_relobj::incremental_relocs_scan_reltype): New function.
458 (Sized_relobj::incremental_relocs_write): New function.
459 (Sized_relobj::incremental_relocs_write_reltype): New function.
460 * plugin.cc (Plugin_manager::add_input_file): Rewrite test for
461 incremental link.
462 * readsyms.cc (Read_symbols::do_read_symbols): Move reporting of
463 archives and object files elsewhere.
464 (Add_symbols::run): Report object files here.
465 (Finish_group::run): Report end of archive at end of group.
466 * reloc.cc: Include layout.h, incremental.h.
467 (Sized_relobj::do_read_relocs): Need relocations for incremental link.
468 (Sized_relobj::do_scan_relocs): Record relocations for incremental link.
469 (Sized_relobj::incremental_relocs_scan): New function.
470 (Sized_relobj::incremental_relocs_scan_reltype): New function.
471 (Sized_relobj::do_relocate_sections): Write incremental relocations.
472 (Sized_relobj::incremental_relocs_write): New function.
473 (Sized_relobj::incremental_relocs_write_reltype): New function.
474 * script.cc (read_input_script): Rewrite test for incremental link.
475 Change call to Incremental_inputs::report_script.
476 * symtab.h (Symbol_table::first_global_index): New function.
477 (Symbol_table::output_count): New function.
478
479 2010-08-12 Doug Kwan <dougkwan@google.com>
480
481 * arm.cc (Target_arm::merge_object_attributes): Check command line
482 options --no-wchar-size-warning and --no-enum-size-warning.
483 * options.h (General_options): Add ld-compatible options
484 --no-enum-size-warning and --no-wchar-size-warning.
485
486 2010-08-04 Ian Lance Taylor <iant@google.com>
487
488 * x86_64.cc (Target_x86_64::Scan::local): Use
489 R_X86_64_GNU_VTINHERIT instead of R_386_GNU_VTINHERIT and
490 R_X86_64_GNU_VTENTRY instead of R_386_GNU_VTENTRY.
491 (Target_x86_64::Scan::global): Likewise.
492 (Target_x86_64::Relocate::relocate): Likewise.
493 (Target_x86_64::Relocatable_size_for_reloc::get_size_for_reloc):
494 Likewise.
495
496 2010-08-03 Cary Coutant <ccoutant@google.com>
497
498 * merge.cc (Output_merge_string::do_add_input_section): Count strings
499 to reserve space in merged_strings vector. Keep total input size
500 for stats.
501 (Output_merge_string::do_print_merge_stats): Print total input size.
502 * merge.h (Output_merge_string): Add input_size_ field.
503 * stringpool.cc (Stringpool_template::string_length): Move
504 implementations out of Stringpool_template class and place in
505 stringpool.h.
506 * stringpool.h (string_length): Move out of Stringpool_template.
507
508 2010-08-03 Ian Lance Taylor <iant@google.com>
509
510 PR 11712
511 * layout.cc (relaxation_loop_body): If address of load segment is
512 set, adjust address to include headers if possible.
513
514 2010-08-03 Ian Lance Taylor <iant@google.com>
515
516 * version.cc (version_string): Bump to 1.10.
517
518 2010-08-03 Ian Lance Taylor <iant@google.com>
519
520 PR 11805
521 * layout.h (enum Output_section_order): Define.
522 (class Layout): Update declarations.
523 * layout.cc (Layout::get_output_section): Add order parameter.
524 Remove is_interp, is_dynamic_linker_section, is_last_relro, and
525 is_first_non_relro parameters. Change all callers.
526 (Layout::choose_output_section): Likewise.
527 (Layout::add_output_section_data): Likewise.
528 (Layout::make_output_section): Likewise. Set order.
529 (Layout::default_section_order): New function.
530 (Layout::layout_eh_frame): Call add_output_section_to_nonload.
531 * output.cc (Output_section::Output_section): Initialize order_.
532 Don't initialize deleted fields.
533 (Output_segment::Output_segment): Don't initialize deleted
534 fields.
535 (Output_segment::add_output_section_to_load): New function
536 replacing add_output_section. Change all callers to call this or
537 add_output_section_to_nonload.
538 (Output_segment::add_output_section_to_nonload): New function.
539 (Output_segment::remove_output_section): Rewrite.
540 (Output_segment::add_initial_output_data): Likewise.
541 (Output_segment::has_any_data_sections): Likewise.
542 (Output_segment::is_first_section_relro): Likewise.
543 (Output_segment::maximum_alignment): Likewise.
544 (Output_segment::has_dynamic_reloc): New function replacing
545 dynamic_reloc_count. Change all callers.
546 (Output_segment::has_dynamic_reloc_list): New function replacing
547 dynamic_reloc_count_list. Change all callers.
548 (Output_segment::set_section_addresses): Rewrite.
549 (Output_segment::set_offset): Rewrite.
550 (Output_segment::find_first_and_last_list): Remove.
551 (Output_segment::set_tls_offsets): Rewrite.
552 (Output_segment::first_section_load_address): Likewise.
553 (Output_segment::output_section_count): Likewise.
554 (Output_segment::section_with_lowest_load_address): Likewise.
555 (Output_segment::write_section_headers): Likewise.
556 (Output_segment::print_sections_to_map): Likewise.
557 * output.h (class Output_data): Remove dynamic_reloc_count_
558 field. Add has_dynamic_reloc_ field. Make bools into bitfields.
559 (Output_data::add_dynamic_reloc): Rewrite.
560 (Output_data::has_dynamic_reloc): New function.
561 (Output_data::dynamic_reloc_count): Remove.
562 (class Output_section): Add order_ field. Remvoe is_relro_local_,
563 is_last_relro_, is_first_non_relro_, is_interp_,
564 is_dynamic_linker_section_ fields. Add order and set_order
565 functions. Remove is_relro_local, set_is_relro_local,
566 is_last_relro, set_is_last_relro, is_first_non_relro,
567 set_is_first_non_relro functions, is_interp, set_is_interp,
568 is_dynamic_linker_section, and set_is_dynamic_linker_section
569 functions.
570 (class Output_segment): Change Output_data_list from std::list to
571 std:;vector. Add output_lists_ field. Remove output_data_ and
572 output_bss_ fields. Update declarations.
573
574 2010-08-02 Ian Lance Taylor <iant@google.com>
575
576 * arm.cc (Target_arm::gc_process_relocs): Use typename.
577 * powerpc.cc (Target_powerpc::gc_process_relocs): Likewise.
578 * sparc.cc (Target_sparc::gc_process_relocs): Likewise.
579
580 2010-08-02 Ian Lance Taylor <iant@google.com>
581
582 PR 11855
583 * script.cc (Script_options::Script_options): Initialize
584 symbol_definitions_ and symbol_references_.
585 (Script_options::add_symbol_assignment): Update
586 symbol_definitions_ and symbol_references_.
587 (Script_options::add_symbol_reference): New function.
588 (script_symbol): New function.
589 * script.h (class Script_options): Add symbol_definitions_ and
590 symbol_references_ fields.
591 (Script_options::referenced_const_iterator): New type.
592 (Script_options::referenced_begin): New function.
593 (Script_options::referenced_end): New function.
594 (Script_options::is_referenced): New function.
595 (Script_options::any_unreferenced): New function.
596 * script-c.h (script_symbol): Declare.
597 * yyscript.y (exp): Call script_symbol.
598 * symtab.cc: Include "script.h".
599 (Symbol_table::gc_mark_undef_symbols): Add layout parameter.
600 Change all callers. Check symbols referenced by scripts.
601 (Symbol_table::add_undefined_symbols_from_command_line): Add
602 layout parameter. Change all callers.
603 (Symbol_table::do_add_undefined_symbols_from_command_line):
604 Likewise. Break out loop body. Check symbols referenced by
605 scripts.
606 (Symbol_table::add_undefined_symbol_from_command_line): New
607 function broken out of
608 do_add_undefined_symbols_from_command_line.
609 * symtab.h (class Symbol_table): Update declarations.
610 * archive.cc: Include "layout.h".
611 (Archive::should_include_member): Add layout parameter. Change
612 all callers. Check for symbol mentioned in expression.
613 * archive.h (class Archive): Update declaration.
614 * object.cc (Sized_relobj::do_should_include_member): Add layout
615 parameter.
616 * object.h (Object::should_include_member): Add layout parameter.
617 Change all callers.
618 (Object::do_should_include_member): Add layout parameter.
619 (class Sized_relobj): Update declaration.
620 * dynobj.cc (Sized_dynobj::do_should_include_member): Add layout
621 parameter.
622 * dynobj.h (class Sized_dynobj): Update declaration.
623 * plugin.cc (Sized_pluginobj::do_should_include_member): Add
624 layout parameter.
625 * plugin.h (class Sized_pluginobj): Update declaration.
626
627 2010-08-02 Ian Lance Taylor <iant@google.com>
628
629 PR 11866
630 * output.cc (Output_segment::set_offset): Search for the first and
631 last sections rather than assuming that the list is in order.
632 (Output_segment::find_first_and_last_list): New function.
633 * output.h (class Output_segment): Update declarations.
634 * testsuite/Makefile.am (check_PROGRAMS): Add relro_strip_test.
635 (relro_strip_test_SOURCES): New variable.
636 (relro_strip_test_DEPENDENCIES): New variable.
637 (relro_strip_test_LDFLAGS): New variable.
638 (relro_strip_test_LDADD): New variable.
639 (relro_strip_test.so): New target.
640
641 2010-08-02 Ian Lance Taylor <iant@google.com>
642
643 * i386.cc (class Target_i386): Add got_tlsdesc_ field.
644 (Target_i386::Target_i386):: Initialize got_tlsdesc_.
645 (Target_i386::got_tlsdesc_section): New function.
646 (Target_i386::got_section): Create space for GOT entries for
647 TLSDESC relocations.
648 (Target_i386::Scan::local): Use TLSDESC GOT for unoptimized
649 R_386_TLS_GOTDESC.
650 (Target_i386::Scan::global): Likewise.
651 (Target_i386::Relocate::relocate_tls): Adjust GOT offset when
652 using TLSDESC GOT.
653 * x86_64.cc (class Target_x86_64): Add got_tlsdesc_ field.
654 (Target_x86_64::Target_x86_64):: Initialize got_tlsdesc_.
655 (Target_x86_64::got_tlsdesc_section): New function.
656 (Target_x86_64::got_section): Create space for GOT entries for
657 TLSDESC relocations.
658 (Target_x86_64::Scan::local): Use TLSDESC GOT for unoptimized
659 R_386_TLS_GOTDESC.
660 (Target_x86_64::Scan::global): Likewise.
661 (Target_x86_64::Relocate::relocate_tls): Adjust GOT offset when
662 using TLSDESC GOT.
663
664 2010-08-02 Ian Lance Taylor <iant@google.com>
665
666 * testsuite/final_layout.sh: Use dc to convert from hex to
667 decimal.
668
669 2010-07-29 Sriraman Tallam <tmsriram@google.com>
670
671 * arm.cc (Target_arm<big_endian>::gc_process_relocs): Add template
672 paramter to the call to gold::gc_process_relocs.
673 * i386.cc (Target_i386<big_endian>::gc_process_relocs): Add template
674 paramter to the call to gold::gc_process_relocs.
675 * x86_64.cc (Target_x86_64<big_endian>::gc_process_relocs): Add template
676 parameter to the call to gold::gc_process_relocs.
677 * powerpc.cc (Target_powerpc<big_endian>::gc_process_relocs): Add
678 template parameter to the call to gold::gc_process_relocs.
679 * sparc.cc (Target_sparc<big_endian>::gc_process_relocs): Add template
680 paramter to the call to gold::gc_process_relocs.
681 * gc.h (get_embedded_addend_size): New function.
682 (gc_process_relocs): Save the size of the reloc for use by ICF.
683 * icf.cc (get_section_contents): Get the addend from the text section
684 for SHT_REL relocation sections.
685 * icf.h (Icf::Reloc_addend_size_info): New typedef.
686 (Icf::Reloc_info): Add new member reloc_addend_size_info.
687 * int_encoding.h (read_from_pointer): New overloaded function.
688 * testsuite/Makefile.am (icf_sht_rel_addend_test): New test.
689 * testsuite/icf_sht_rel_addend_test.sh: New file.
690 * testsuite/icf_sht_rel_addend_test_1.cc: New file.
691 * testsuite/icf_sht_rel_addend_test_2.cc: New file.
692
693 2010-07-28 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
694
695 * configure.ac (AM_INIT_AUTOMAKE): Use parallel-tests option.
696 * Makefile.in: Regenerate.
697 * testsuite/Makefile.in: Regenerate.
698
699 2010-07-27 Jeffrey Yasskin <jyasskin@google.com>
700
701 * testsuite/debug_msg.sh: Test mixed weak/strong symbol behavior.
702 * gold/testsuite/debug_msg.cc: Likewise.
703 * gold/testsuite/odr_violation1.cc
704 * gold/testsuite/odr_violation2.cc
705
706 2010-07-21 Cary Coutant <ccoutant@google.com>
707
708 * merge.h (Output_merge_string::Merged_string): Remove object, shndx,
709 string, and length fields.
710 (Output_merge_string::Merged_strings_list): New type.
711 (Output_merge_string::Merged_strings_lists): New typedef.
712 (Output_merge_string): Replace merged_strings_ with
713 merged_strings_lists_.
714 * merge.cc (Output_merge_string::do_add_input_section): Allocate new
715 Merged_strings_list per input object and section. Don't store pointer
716 to the string. Don't store length with each merged string entry.
717 (Output_merge_string::finalize_merged_data): Loop over list of merged
718 strings lists. Recompute length of each merged string.
719
720 2010-07-15 Cary Coutant <ccoutant@google.com>
721
722 * plugin.cc (Plugin_finish::run): Don't call cleanup handlers from
723 here.
724
725 2010-07-14 Ian Lance Taylor <iant@google.com>
726
727 * descriptors.cc (Descriptors::open): Report correct name in error
728 message.
729
730 2010-07-13 Doug Kwan <dougkwan@google.com>
731
732 * arm.cc (Arm_input_section::Arm_input_section): For a
733 SHT_ARM_EXIDX section, always keeps the input sections.
734 (Arm_input_section::set_exidx_section_link): New method.
735 (Arm_exidx_input_section::Arm_exidx_input_section): Initialize
736 has_errors_ to false.
737 (Arm_exidx_input_section::has_errors,
738 Arm_exidx_input_section::set_has_errors): New methods.
739 (Arm_exidx_input_section::has_errors_): New data member.
740 (Arm_relobj::get_exidx_shndx_list): New method.
741 (Arm_output_section::append_text_sections_to_list): Do not skip
742 section without SHF_EXECINSTR.
743 (Arm_output_section::fix_exidx_coverage): Skip input sections with
744 errors.
745 (Arm_relobj::make_exidx_input_section): Add new parameter for text
746 section header. Make error messages more verbose. Check for
747 a non-executable section linked to an EXIDX section.
748 (Arm_relobj::do_read_symbols): Remove error checking, which has been
749 moved to Arm_relobj::make_exidx_input_section. Add an assertion to
750 check that there is no deferred EXIDX section if we exit early.
751 Instead of not making an EXIDX section in case of an error, make one
752 and set the has_errors flag of it.
753 (Target_arm::do_finalize_sections): Fix up links of EXIDX sections
754 in a relocatable link.
755 (Target_arm::do_relax): Look for the EXIDX output section instead of
756 assuming that it is called .ARM.exidx.
757 (Target_arm::fix_exidx_coverage): Add a new parameter for input
758 section list. Do not check for SHF_EXECINSTR section flags but
759 skip any input section with errors.
760 * output.cc (Output_section::Output_section): Initialize
761 always_keeps_input_sections_ to false.
762 (Output_section::add_input_section): Check for
763 always_keeps_input_sections_.
764 * output.h (Output_section::always_keeps_input_sections,
765 Output_section::set_always_keeps_input_sections): New methods.
766 (Output_section::always_keeps_input_sections): New data member.
767
768 2010-07-13 Rafael Espindola <espindola@google.com>
769
770 * fileread.cc (try_extra_search_path, find_file): Move to Input_file.
771 * fileread.h (Input_file): Add try_extra_search_path and find_file.
772
773 2010-07-13 Philip Herron <herron.philip@googlemail.com>
774 Ian Lance Taylor <iant@google.com>
775
776 * output.h (Output_section_lookup_maps::add_merge_section):
777 Correct check of whether value was inserted.
778 (Output_section_lookup_maps::add_merge_input_section): Likewise.
779 (Output_section_lookup_maps::add_relaxed_input_section):
780 Likewise.
781 * arm.cc (Target_arm::got_section): Remove used local os.
782 * i386.cc (Target_i386::got_section): Likewise.
783 * x86_64.cc (Target_x86_64::got_section): Likewise.
784 * sparc.cc (Target_sparc::got_section): Likewise.
785 (Target_sparc::relocate): Remove unused local have_got_offset.
786 * powerpc.cc (Target_powerpc::relocate): Likewise.
787
788 2010-07-13 Ian Lance Taylor <iant@google.com>
789
790 * compressed_output.cc (zlib_decompress): Fix signature in
791 !HAVE_ZLIB_H case.
792
793 * archive.cc (Archive::include_member): Unlock an external member
794 of a thin archive. Don't bother to delete an object we know is
795 NULL.
796
797 2010-07-12 Cary Coutant <ccoutant@google.com>
798
799 * compressed_output.cc (zlib_decompress): New function.
800 (get_uncompressed_size): New function.
801 (decompress_input_section): New function.
802 * compressed_output.h (get_uncompressed_size): New function.
803 (decompress_input_section): New function.
804 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info)
805 Handle compressed debug sections.
806 * layout.cc (is_compressed_debug_section): New function.
807 (Layout::output_section_name): Map compressed section names to
808 canonical names.
809 * layout.h (is_compressed_debug_section): New function.
810 (is_debug_info_section): Recognize compressed debug sections.
811 * merge.cc: Include compressed_output.h.
812 (Output_merge_data::do_add_input_section): Handle compressed
813 debug sections.
814 (Output_merge_string::do_add_input_section): Handle compressed
815 debug sections.
816 * object.cc: Include compressed_output.h.
817 (Sized_relobj::Sized_relobj): Initialize new data members.
818 (build_compressed_section_map): New function.
819 (Sized_relobj::do_read_symbols): Handle compressed debug sections.
820 * object.h (Object::section_is_compressed): New method.
821 (Object::do_section_is_compressed): New method.
822 (Sized_relobj::Compressed_section_map): New type.
823 (Sized_relobj::do_section_is_compressed): New method.
824 (Sized_relobj::compressed_sections_): New data member.
825 * output.cc (Output_section::add_input_section): Handle compressed
826 debug sections.
827 * reloc.cc: Include compressed_output.h.
828 (Sized_relobj::write_sections): Handle compressed debug sections.
829
830 2010-07-08 Cary Coutant <ccoutant@google.com>
831
832 * resolve.cc (Symbol_table::resolve): Remember whether undef was
833 weak when resolving to a dynamic def.
834 (Symbol_table::should_override): Add adjust_dyndef flag; set it
835 for weak undef/dynamic def cases. Adjust callers.
836 * symtab.cc (Symbol::init_fields): Initialize undef_binding_set_ and
837 undef_binding_weak_.
838 (Symbol_table::sized_write_globals): Adjust symbol binding.
839 (Symbol_table::sized_write_symbol): Add binding parameter.
840 * symtab.h (Symbol::set_undef_binding): New method.
841 (Symbol::is_undef_binding_weak): New method.
842 (Symbol::undef_binding_set_, Symbol::undef_binding_weak_): New members.
843 (Symbol_table::should_override): Add new parameter.
844 (Symbol_table::sized_write_symbol): Add new parameter.
845
846 * testsuite/weak_undef_file1.cc: Add new test case.
847 * testsuite/weak_undef_file2.cc: Fix header comment.
848 * testsuite/weak_undef_test.cc: Add new test case.
849
850 2010-06-29 Doug Kwan <dougkwan@google.com>
851
852 * arm-reloc-property.cc (Arm_reloc_property::Arm_reloc_property):
853 Initialize USE_SYMBOL_.
854 * arm-reloc-property.h (Arm_reloc_property::uses_symbol): New method
855 definition.
856 (Arm_reloc_property::uses_symbol_): New data member declaration.
857 * arm.cc (Target_arm::Relocate::relocate): Exit early if relocation
858 uses symbol value and symbol is undefined but not weakly undefined.
859
860 2010-06-28 Rafael Espindola <espindola@google.com>
861
862 * plugin.cc (Plugin::load): Use dlerror.
863
864 2010-06-26 Jeffrey Yaskin <jyasskin@google.com>
865
866 * symtab.cc (detect_odr_violations): When reporting an ODR
867 violation, report an object where the symbol is defined.
868
869 2010-06-25 Doug Kwan <dougkwan@google.com>
870
871 * arm.cc (Target_arm::can_check_for_functions_pointers): Return true.
872 (Target_arm::section_may_have_icf_unsafe_pointers): New method
873 definition.
874 (Target_arm::Scan::local_reloc_may_be_function_pointer,
875 Target_arm::Scan::global_reloc_may_be_function_pointer): Implement
876 target hook to detect function points.
877 (Target_arm::Scan::possible_function_pointer_reloc): New method.
878 * icf.h (Icf::check_section_for_function_pointers): Change type of
879 parameter SECTION_NAME to const reference to std::string. Use
880 target hook to determine if section may have unsafe pointers.
881 * target.h (Target::section_may_have_icf_unsafe_pointers): New
882 method definition.
883
884 2010-06-21 Rafael Espindola <espindola@google.com>
885
886 * fileread.cc (Input_file::find_fie): New
887 (Input_file::open): Use Input_file::find_fie.
888 * fileread.h (Input_file::find_fie): New
889 * plugin.cc (set_extra_library_path): New.
890 (Plugin::load): Add set_extra_library_path to the transfer vector.
891 (Plugin_manager::set_extra_library_path): New.
892 (Plugin_manager::add_input_file): Use the extra search path if set.
893 (set_extra_library_path(): New.
894 * plugin.h (Plugin_manager): Add set_extra_library_path and
895 extra_search_path_.
896
897 2010-06-19 Cary Coutant <ccoutant@google.com>
898
899 * layout.cc (gdb_sections): Add .debug_types.
900 (lines_only_debug_sections): Likewise.
901
902 2010-06-18 Rafael Espindola <espindola@google.com>
903
904 * plugin.cc (add_input_file,add_input_library)
905 (Plugin_manager::add_input_file): Make filename arguments const.
906 * plugin.h (Plugin_manager::add_input_file): Make filename arguments
907 const.
908
909 2010-06-16 Doug Kwan <dougkwan@google.com>
910
911 * arm.cc (Target_arm::do_finalize_sections): Do not emit an
912 .ARM.attributes section if we have not merged any input
913 attributes sections.
914
915 2010-06-15 Viktor Kutuzov <vkutuzov@accesssoftek.com>
916
917 * arm.cc: Allow combining objects with no EABI version
918 information.
919
920 2010-06-15 Rafael Espindola <espindola@google.com>
921
922 * plugin.cc (Plugin_hook::run): Set in_real_elf for the start symbol.
923
924 2010-06-15 Viktor Kutuzov <vkutuzov@accesssoftek.com>
925
926 * fileread.cc: Only #include <sys/uio.h> if HAVE_READV.
927 (struct iovec): Correct !HAVE_READV definition.
928
929 2010-06-10 Cary Coutant <ccoutant@google.com>
930
931 * object.cc (Sized_relobj::do_layout): Defer layout for reloc sections.
932 (Sized_relobj::do_layout_deferred_sections): Do layout for deferred
933 reloc sections.
934 * object.h (Sized_relobj::deferred_layout_relocs_): New data member.
935
936 PR 11683
937 * symtab.h (Symbol::is_placeholder): New member function.
938 * target-reloc.h (relocate_section): Check for placeholder symbols.
939
940 * testsuite/Makefile.am (plugin_test_8): New test.
941 (plugin_test_9): New test.
942 * testsuite/Makefile.in: Regenerate.
943
944 2010-06-09 Nick Clifton <nickc@redhat.com>
945
946 * yyscript.y (input_list_element): Allow strings prefixed with
947 the '-' character. Treat these as libraries.
948 * script.cc (script_add_library): New function. Adds a library
949 specified by "-l<name>" found in an input script.
950 * script-c.h: Add prototype for script_add_library.
951
952 2010-06-07 Doug Kwan <dougkwan@google.com>
953
954 * arm.cc (Target_arm::do_relax): Reserve more space for stubs.
955 Restrict stub-group size to be within long conditional branch
956 range when working around cortex-A8 erratum.
957
958 2010-06-07 Damien Diederen <dd@crosstwine.com>
959
960 * gold-threads.cc (Lock_impl_threads::Lock_impl_threads): Correct
961 #ifdef typo.
962
963 2010-06-03 Sriraman Tallam <tmsriram@google.com>
964
965 PR gold/11658
966 * output.cc
967 (Output_section::Input_section_sort_entry::compare_section_ordering):
968 Change to return non-zero correctly.
969 (Output_section::Input_section_sort_section_order_index_compare
970 ::operator()): Change to fix ambiguity in comparisons.
971
972 2010-06-01 Sriraman Tallam <tmsriram@google.com>
973
974 * gold.h (is_wildcard_string): New function.
975 * layout.cc (Layout::layout): Pass this pointer to add_input_section.
976 (Layout::layout_eh_frame): Ditto.
977 (Layout::find_section_order_index): New method.
978 (Layout::read_layout_from_file): New method.
979 * layout.h (Layout::find_section_order_index): New method.
980 (Layout::read_layout_from_file): New method.
981 (Layout::input_section_position_): New private member.
982 (Layout::input_section_glob_): New private member.
983 * main.cc (main): Call read_layout_from_file here.
984 * options.h (--section-ordering-file): New option.
985 * output.cc (Output_section::input_section_order_specified_): New
986 member.
987 (Output_section::Output_section): Initialize new member.
988 (Output_section::add_input_section): Add new parameter.
989 Keep input sections when --section-ordering-file is used.
990 (Output_section::set_final_data_size): Sort input sections when
991 section ordering file is specified.
992 (Output_section::Input_section_sort_entry): Add new parameter.
993 Check sorting type.
994 (Output_section::Input_section_sort_entry::compare_section_ordering):
995 New method.
996 (Output_section::Input_section_sort_compare::operator()): Change to
997 consider section_order_index.
998 (Output_section::Input_section_sort_init_fini_compare::operator()):
999 Change to consider section_order_index.
1000 (Output_section::Input_section_sort_section_order_index_compare
1001 ::operator()): New method.
1002 (Output_section::sort_attached_input_sections): Change to sort
1003 according to section order when specified.
1004 (Output_section::add_input_section<32, true>): Add new parameter.
1005 (Output_section::add_input_section<64, true>): Add new parameter.
1006 (Output_section::add_input_section<32, false>): Add new parameter.
1007 (Output_section::add_input_section<64, false>): Add new parameter.
1008 * output.h (Output_section::add_input_section): Add new parameter.
1009 (Output_section::input_section_order_specified): New
1010 method.
1011 (Output_section::set_input_section_order_specified): New method.
1012 (Input_section::Input_section): Initialize section_order_index_.
1013 (Input_section::section_order_index): New method.
1014 (Input_section::set_section_order_index): New method.
1015 (Input_section::section_order_index_): New member.
1016 (Input_section::Input_section_sort_section_order_index_compare): New
1017 struct.
1018 (Output_section::input_section_order_specified_): New member.
1019 * script-sections.cc (is_wildcard_string): Delete and move modified
1020 method to gold.h.
1021 (Output_section_element_input::Output_section_element_input): Modify
1022 call to is_wildcard_string.
1023 (Output_section_element_input::Input_section_pattern
1024 ::Input_section_pattern): Ditto.
1025 (Output_section_element_input::Output_section_element_input): Ditto.
1026 * testsuite/Makefile.am (final_layout): New test case.
1027 * testsuite/Makefile.in: Regenerate.
1028 * testsuite/final_layout.cc: New file.
1029 * testsuite/final_layout.sh: New file.
1030
1031 2010-06-01 Rafael Espindola <espindola@google.com>
1032
1033 * plugin.cc (Plugin::load): Pass the output name to the plugin.
1034
1035 2010-06-01 Rafael Espindola <espindola@google.com>
1036
1037 * plugin.cc (Sized_pluginobj::::do_add_symbols): Correctly set the
1038 visibility of symbols.
1039
1040 2010-05-27 Doug Kwan <dougkwan@google.com>
1041
1042 * object.cc (Sized_relobj::do_finalize_local_symbols): Use offset
1043 from start of output section instead of address for a local symbol
1044 in a merged or relaxed section when doing a relocatable link.
1045
1046 2010-05-26 Rafael Espindola <espindola@google.com>
1047
1048 PR 11604
1049 * gold/object.cc(Sized_relobj::do_layout_deferred_sections): Avoid
1050 adding sections the garbage collector removed.
1051 * gold/testsuite/Makefile.am: Add test.
1052 * gold/testsuite/Makefile.in: Regenerate.
1053 * gold/testsuite/plugin_test_7.sh: New.
1054 * gold/testsuite/plugin_test_7_1.c: New.
1055 * gold/testsuite/plugin_test_7_2.c: New.
1056
1057 2010-05-26 Rafael Espindola <espindola@google.com>
1058
1059 * script-sections.cc (Output_section_definition::set_section_addresses):
1060 Check for --section-start.
1061
1062 2010-05-26 Doug Kwan <dougkwan@google.com>
1063
1064 * arm.cc (Arm_scan_relocatable_relocs): New class.
1065 (Target_arm::relocate_special_relocatable): New method.
1066 (Arm_relocate_functions::arm_branch_common): Handle relocatable link.
1067 (Arm_relocate_functions::thumb_branch_common): Same.
1068 (Target_arm::scan_relocatable_relocs): Use Arm_scan_relocatable_relocs
1069 instead of Default_scan_relocatable_relocs.
1070 * target-reloc.h (relocate_for_relocatable): Let target handle
1071 relocation strategy Relocatable_relocs::RELOC_SPECIAL.
1072 * target.h (Sized_target::relocate_special_relocatable): New method.
1073
1074 2010-05-25 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1075
1076 * timer.cc: Only #include <sys/times.h> if HAVE_TIMES is defined.
1077
1078 2010-05-23 Doug Kwan <dougkwan@google.com>
1079
1080 * arm.cc (Arm_input_section::do_output_offset): Use convert_types
1081 instead of a cast.
1082 (Target_arm::apply_cortex_a8_workaround): Rewrite a conditional branch
1083 with a direct branch, not a conditional branch, to a stub.
1084 * merge.cc (Output_merge_base::record_input_section): New method
1085 defintion.
1086 (Output_merge_data::do_add_input_section): Record input section if
1087 keeps-input-sections flag is set.
1088 (Output_merge_string::do_add_input_section): Ditto.
1089 * merge.h (Output_merge_base::Output_merge_base): Initialize new data
1090 members KEEPS_INPUT_SECTIONS_, FIRST_RELOBJ_, FIRST_SHNDX_ and
1091 INPUT_SECTIONS_.
1092 (Output_merge_base::keeps_input_sections,
1093 Output_merge_base::set_keeps_input_sections,
1094 Output_merge_base::first_relobj, Output_merge_base::first_shndx): New
1095 method definitions.
1096 (Output_merge_base::Input_sections): New type declaration.
1097 (Output_merge_base::input_sections_begin,
1098 Output_merge_base::input_sections_end,
1099 Output_merge_base::do_set_keeps_input_sections): New method definitions.
1100 (Output_merge_base::bool keeps_input_sections_,
1101 Output_merge_base::first_relobj_, Output_merge_base::first_shndx_,
1102 Output_merge_base::input_sections_): New data members.
1103 (Output_merge_data::do_set_keeps_input_sections): New method
1104 defintion.
1105 (Output_merge_string::do_set_keeps_input_sections): Ditto.
1106 * output.cc (Output_section::Input_section::relobj): Move method
1107 defintion from class declaration to here and handle merge sections.
1108 (Output_section::Input_section::shndx): Ditto.
1109 (Output_section::Output_section): Remove initializations of removed
1110 data members and initialize new data member LOOKUP_MAPS_.
1111 (Output_section::add_input_section): Set keeps-input-sections flag
1112 for a newly created merge output section as appropriate. Adjust code
1113 to use Output_section_lookup_maps class.
1114 (Output_section::add_relaxed_input_section): Adjst code for lookup
1115 maps code refactoring.
1116 (Output_section::add_merge_input_section): Add a new parameter
1117 KEEPS_INPUT_SECTION. Adjust code to use Output_section_lookup_maps
1118 class. If adding input section to a newly created merge output
1119 section fails, remove the new merge section.
1120 (Output_section::convert_input_sections_in_list_to_relaxed_input_sections):
1121 Adjust code for use of the Output_section_lookup_maps class.
1122 (Output_section::find_merge_section): Ditto.
1123 (Output_section::build_lookup_maps): New method defintion.
1124 (Output_section::find_relaxed_input_section): Adjust code to use
1125 Output_section_lookup_maps class.
1126 (Output_section::get_input_sections): Export merge sections. Adjust
1127 code to use Output_section_lookup_maps class.
1128 (Output_section:::add_script_input_section): Adjust code to use
1129 Output_section_lookup_maps class. Update lookup maps for merge
1130 sections also.
1131 (Output_section::discard_states): Use Output_section_lookup_maps.
1132 (Output_section::restore_states): Same.
1133 * output.h (Merge_section_properties): Move class defintion out of
1134 Output_section.
1135 (Output_section_lookup_maps): New class.
1136 (Output_section::Input_section::is_merge_section): New method
1137 defintion.
1138 (Output_section::Input_section::relobj): Move defintion out of class
1139 defintion. Declare method only.
1140 (Output_section::Input_section::shndx): Ditto.
1141 (Output_section::Input_section::output_merge_base): New method defintion.
1142 (Output_section::Input_section::u2_.pomb): New union field.
1143 (Output_section::Merge_section_by_properties_map,
1144 Output_section::Output_section_data_by_input_section_map,
1145 Output_section::Ouptut_relaxed_input_section_by_input_section_map):
1146 Remove types.
1147 (Output_section::add_merge_input_section): Add new parameter
1148 KEEPS_INPUT_SECTIONS.
1149 (Output_section::build_lookup_maps): New method declaration.
1150 (Output_section::merge_section_map_,
1151 Output_section::merge_section_by_properties_map_,
1152 Output_section::relaxed_input_section_map_,
1153 Output_section::is_relaxed_input_section_map_valid_): Remove data
1154 members.
1155 (Output_section::lookup_maps_): New data member.
1156
1157 2010-05-21 Doug Kwan <dougkwan@google.com>
1158
1159 PR gold/11619
1160 * arm.cc (Arm_input_section::do_output_offset): Add a cast to
1161 avoid a compilation error.
1162
1163 2010-05-19 Rafael Espindola <espindola@google.com>
1164
1165 * script-sections.cc (Output_section_definition::allocate_to_segment):
1166 Update the phdrs_list even when the output section is NULL.
1167 * testsuite/Makefile.am: Add test.
1168 * testsuite/Makefile.in: Regenerate.
1169 * testsuite/script_test_9.cc: New.
1170 * testsuite/script_test_9.sh: New.
1171 * testsuite/script_test_9.t: New.
1172
1173 2010-05-19 Doug Kwan <dougkwan@google.com>
1174
1175 * arm.cc (Arm_input_section::original_size): New method.
1176 (Arm_input_section::do_addralign): Add a cast.
1177 (Arm_input_section::do_output_offset): Remove static cast.
1178 (Arm_input_section::original_addralign,
1179 Arm_input_section::original_size_): Change type to uint32_t.
1180 (Arm_input_section::init): Add safe casts for section alignment
1181 and size.
1182 (Arm_input_section::set_final_data_size): Do not set address and
1183 offset of stub table.
1184 (Arm_output_section::fix_exidx_coverage): Change use of of
1185 Output_section::Simple_input_section to that of
1186 Output_section::Input_section.
1187 (Target_arm::do_relax): Set addresses and file offsets of Stub_tables
1188 except for the first pass.
1189 * output.cc (Output_section::get_input_sections): Change type of
1190 input_sections to std::list<Input_section>.
1191 (Output_section::add_script_input_section): Rename from
1192 Output_section::add_simple_input_section. Change type of SIS
1193 parameter from Simple_input_section to Input_section.
1194 * output.h (Output_section::Simple_input_section): Remove class.
1195 (Output_section::Input_section): Change class visibility to public.
1196 (Output_section::Input_section::addralign): Use stored alignments
1197 for special input sections if set.
1198 (Output_section::Input_section::set_addralign): New method.
1199 (Output_section::get_input_sections): Change parameter type from
1200 list of Simple_input_section to list of Input_section.
1201 (Output_section::add_script_input_section): Rename from
1202 Output_section::add_simple_input_section. Change first parameter's
1203 type from Simple_input_section to Input_section and remove the
1204 second and third parameters.
1205 * script-sections.cc (Input_section::Input_section_list): Change
1206 type to list of Output_section::Input_section/
1207 (Input_section_info::Input_section_info): Change parameter type of
1208 INPUT_SECTION to Output_section::Input_section.
1209 (Input_section_info::input_section): Change return type.
1210 (Input_section_info::input_section_): Change type to
1211 Output_section::Input_section.
1212 (Output_section_element_input::set_section_addresses): Adjust code
1213 to use Output_section::Input_section instead of
1214 Output_section::Simple_input_section. Adjust code for renaming
1215 of Output_section::add_simple_input_section.
1216 (Orphan_output_section::set_section_addresses): Ditto.
1217
1218 2010-05-18 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1219
1220 * gold.h (Unordered_multimap, Unordered_map): Fix defines for
1221 when neither HAVE_TR1_UNORDERED_MAP nor HAVE_EXT_HASH_MAP are set.
1222
1223 2010-05-18 Rafael Espindola <espindola@google.com>
1224
1225 * options.cc (General_options::finalize): Handle -nostdlib.
1226 * options.h (nostdlib): New option.
1227 * script.cc (script_add_search_dir): Handle -nostdlib.
1228
1229 2010-05-12 Doug Kwan <dougkwan@google.com>
1230
1231 * arm.cc (Target_arm::do_finalize_sections): Create an empty
1232 attributes section only if there no attributes section after merging.
1233 (Target_arm::merge_object_attributes): Move value of
1234 Tag_MPextension_use_legacy to that of Tag_MPextension_use.
1235 Handle Tag_DIV_use and Tag_MPextension_use_legacy.
1236 * testsuite/Makefile.am (check_SCRIPTS): Add arm_attr_merge.sh
1237 (check_DATA): Add arm_attr_merge_6.stdout, arm_attr_merge_6r_stdout
1238 and arm_attr_merge_7.stdout.
1239 (arm_attr_merge_6.stdout, arm_attr_merge_6 arm_attr_merge_6a.o
1240 arm_attr_merge_6b.o, arm_attr_merge_6r.stdout, arm_attr_merge_6r,
1241 arm_attr_merge_7.stdout, arm_attr_merge_7, arm_attr_merge_7a.o,
1242 arm_attr_merge_7b.o): New rules.
1243 (MOSTLYCLEANFILES): Add arm_attr_merge_6, arm_attr_merge_6r and
1244 arm_attr_merge_7
1245 * testsuite/Makefile.in: Regenerate.
1246 * testsuite/arm_attr_merge.sh: New file.
1247 * testsuite/arm_attr_merge_[67][ab].s: Same.
1248
1249 2010-05-05 Nick Clifton <nickc@redhat.com>
1250
1251 * po/es.po: Updated Spanish translation.
1252
1253 2010-04-27 H.J. Lu <hongjiu.lu@intel.com>
1254
1255 * Makefile.am (install-exec-local): Properly install gold as
1256 default cross linker.
1257 * Makefile.in: Regenerated.
1258
1259 2010-04-27 H.J. Lu <hongjiu.lu@intel.com>
1260 Nick Clifton <nickc@redhat.com>
1261
1262 * configure.ac (install_as_default): Define and set to false
1263 unless --enable-gold or --enable-gold=both/gold has been
1264 specified.
1265 * configure: Regenerate.
1266
1267 * Makefile.am (install-exec-local): Install the executable as
1268 'ld.gold'. If install_as_default is true then also install it as
1269 'ld'.
1270 * Makefile.in: Regenerated.
1271
1272 2010-04-24 Ian Lance Taylor <iant@google.com>
1273
1274 * layout.cc (Layout::layout_reloc): In relocatable link don't
1275 combine reloc sections for grouped sections.
1276
1277 2010-04-23 Sriraman Tallam <tmsriram@google.com>
1278
1279 * gc.h (gc_process_relocs): Pass information on relocs pointing to
1280 sections that are not ordinary to icf.
1281 * icf.cc (get_section_contents): Handle relocation pointing to section
1282 with no object or shndx information.
1283 * testsuite/Makefile.am: Remove icf_virtual_function_folding_test.sh
1284 * testsuite/Makefile.in: Regenerate.
1285 * testsuite/icf_virtual_function_folding_test.cc: Remove printf.
1286 * testsuite/icf_virtual_function_folding_test.sh: Delete file.
1287
1288 2010-04-22 Ian Lance Taylor <iant@google.com>
1289
1290 * expression.cc (Expression::Expression_eval_info): Add
1291 result_alignment_pointer field.
1292 (Expression::eval_with_dot): Add result_alignment_pointer
1293 parameter. Change all callers.
1294 (Expression::eval_maybe_dot): Likewise.
1295 (class Binary_expression): Add alignment_pointer parameter to
1296 left_value and right_value. Change all callers.
1297 (BINARY_EXPRESSION): Set result alignment.
1298 (class Trinary_expression): Add alignment_pointer parameter to
1299 arg2_value and arg3_value. Change all callers.
1300 (Trinary_cond::value): Set result alignment.
1301 (Max_expression::value, Min_expression::value): Likewise.
1302 (Align_expression::value): Likewise.
1303 * script-sections.cc (class Sections_element): Add dot_alignment
1304 parameter to set_section_addresses virtual function. Update
1305 instantiations.
1306 (class Output_section_element): Likewise.
1307 (Script_sections::create_segments): Add dot_alignment parameter.
1308 Change all callers.
1309 (Script_sections::create_segments_from_phdrs_clause): Likewise.
1310 (Script_sections::set_phdrs_clause_addresses): Likewise.
1311 * script-sections.h: Update declarations.
1312 * script.h: Update declarations.
1313 * output.h (Output_segment::set_minimum_p_align): Don't decrease
1314 min_p_align.
1315 * testsuite/script_test_3.t: Set large alignment.
1316 * testsuite/script_test_3.sh: Make sure that at least one LOAD
1317 segment has expected alignment.
1318
1319 2010-04-22 Nick Clifton <nickc@redhat.com>
1320
1321 * po/gold.pot: Updated by the Translation project.
1322 * po/vi.po: Updated Vietnamese translation.
1323
1324 2010-04-22 H.J. Lu <hongjiu.lu@intel.com>
1325
1326 * testsuite/Makefile.am (check_PROGRAMS): Add
1327 icf_virtual_function_folding_test.
1328 * testsuite/Makefile.in: Regenerated.
1329
1330 2010-04-15 Andrew Haley <aph@redhat.com>
1331
1332 * options.h (merge_exidx_entries): New option.
1333 * arm.cc (class Arm_exidx_fixup): Add new arg, merge_exidx_entries.
1334 (class Arm_exidx_fixup::merge_exidx_entries_): New member.
1335 (Output_section::fix_exidx_coverage): Add new arg, merge_exidx_entries.
1336 (Target_arm::merge_exidx_entries): New function.
1337 (process_exidx_entry): Don't merge if merge_exidx_entries_ is false.
1338 (Arm_output_section::fix_exidx_coverage): Pass merge_exidx_entries
1339 to Arm_exidx_fixup constructor.
1340 Add new arg, merge_exidx_entries.
1341 (Target_arm::fix_exidx_coverage): pass merge_exidx_entries to
1342 Arm_output_section::fix_exidx_coverage.
1343
1344 2010-04-18 Sriraman Tallam <tmsriram@google.com>
1345
1346 * icf.cc (get_section_contents): Check for preemptible functions.
1347 Ignore addend when appropriate.
1348 * symtab.cc (should_add_dynsym_entry): Add new parameter. Check for
1349 section folded.
1350 (add_from_relobj): Check for section folded.
1351 (set_dynsym_indexes): Fix call to should_add_dynsym_entry.
1352 * symtab.h (should_add_dynsym_entry): Add new parameter.
1353 * target-reloc.h (scan_relocs): Check for section folded.
1354 * x86_64.cc (Target_x86_64::Scan::possible_function_pointer_reloc):
1355 Check reloc types for function pointers in shared objects.
1356 * testsuite/Makefile.am (icf_virtual_function_folding_test): New test
1357 case.
1358 (icf_preemptible_functions_test): New test case.
1359 (icf_string_merge_test): New test case.
1360 * testsuite.Makefile.in: Regenerate.
1361 * testsuite/icf_safe_so_test.sh: Change to not fold foo_glob and
1362 bar_glob. Refactor code.
1363 * testsuite/icf_preemptible_functions_test.cc: New file.
1364 * testsuite/icf_preemptible_functions_test.sh: New file.
1365 * testsuite/icf_string_merge_test.cc: New file.
1366 * testsuite/icf_string_merge_test.sh: New file.
1367 * testsuite/icf_virtual_function_folding_test.cc: New file.
1368 * testsuite/icf_virtual_function_folding_test.sh: New file.
1369
1370 2010-04-14 Doug Kwan <dougkwan@google.com>
1371
1372 * arm.cc (Arm_output_section::fix_exidx_coverage): Mark object
1373 for local symbol recounting if we remove a section due to ICF.
1374 * gold.cc (queue_middle_gc_tasks): Create a dummy blocker if
1375 there are no regular objects in input.
1376
1377 2010-04-13 Doug Kwan <dougkwan@google.com>
1378
1379 * arm.cc (Arm_input_section::set_final_data_size): Compute
1380 accurate final data size instead of using current data size.
1381
1382 2010-04-09 Doug Kwan <dougkwan@google.com>
1383
1384 * layout.cc (Layout::choose_output_section): Handle script section
1385 types.
1386 (Layout::make_output_section_for_script): Add section type parameter.
1387 Handle script section types.
1388 * layout.h (Layout::make_output_section_for_script): Add section
1389 type parameter.
1390 * output.cc (Output_section::Output_section): Initialize data member
1391 is_noload_.
1392 (Output_section::do_reset_address_and_file_offset): Do not set address
1393 to 0 if section is a NOLOAD section.
1394 * output.h (Output_section::is_noload): New method.
1395 (Output_section::set_is_noload): Ditto.
1396 (Output_section::is_noload_): New data member.
1397 * script-c.h (Script_section_type): New enum type.
1398 (struct Parser_output_section_header): Add new file section_type.
1399 * script-sections.cc (Sections_element::output_section_name): Add
1400 parameter for returning script section type.
1401 (Output_section_definition::output_section_name): Ditto.
1402 (Output_section_definition::section_type)P; New method.
1403 (Output_section_definiton::script_section_type_name): Ditto.
1404 (Output_section_definition::script_section_type_): New data member.
1405 (Output_section_definition::Output_section_definition): Initialize
1406 data member Output_section_definition::script_section_type_.
1407 (Output_section_definition::create_sections): Pass script section type
1408 to Layout::make_output_section_for_script.
1409 (Output_section_definition::output_section_name): Return script
1410 section type to caller.
1411 (Output_section_definition::set_section_address): Do not advance
1412 dot value and load address if section type is NOLOAD. Set address
1413 of NOLOAD sections regardless of section flags.
1414 (Output_section_definition::print): Print section type if it is
1415 not SCRIPT_SECTION_TYPE_NONE.
1416 (Output_section_definition::section_type): New method.
1417 (Output_section_definition::script_section_type_name): Ditto.
1418 (Script_sections::output_section_name): Add new parameter
1419 PSECTION_TYPE for returning script section type. Pass it to
1420 section elements. Handle discard sections.
1421 (Sort_output_sections::operator()): Handle NOLOAD sections.
1422 * script-sections.h (Script_sections::Section_type): New enum type.
1423 (Script_sections::output_section_name): Add a new parameter for
1424 returning script section type.
1425 * script.cc (script_keyword_parsecodes): Add keywords COPY, DSECT,
1426 INFO and NOLOAD.
1427 * yyscript.y (union): Add new field SECTION_TYPE.
1428 (COPY, DSECT, INFO, NOLOAD): New tokens.
1429 (opt_address_and_section_type): Change type to output_section_header.
1430 (section_type): New non-terminal
1431 (section_header): Handle section type.
1432 (opt_address_and_section_type): Return section type value.
1433
1434 2010-04-09 H.J. Lu <hongjiu.lu@intel.com>
1435
1436 * testsuite/plugin_common_test_1.c (foo): Add prototype.
1437 * testsuite/plugin_common_test_2.c (foo): Likewise.
1438
1439 2010-04-08 Doug Kwan <dougkwan@google.com>
1440
1441 * merge.cc (Output_merge_data::set_final_data_size): Handle empty
1442 Output_merge_data.
1443 * output.cc (Output_section::add_merge_input_section): Simplify
1444 code and return status of Output_merge_base::add_input_section.
1445 Update merge section map only if Output_merge_base::add_input_section
1446 returns true.
1447
1448 2010-04-07 Doug Kwan <dougkwan@google.com>
1449
1450 * arm.cc (Arm_relobj::scan_section_for_cortex_a8_erratum): Warn
1451 if section is marked as containing instructions but has no mapping
1452 symbols.
1453 (Arm_relobj::do_count_local_symbols): Call adjust_sym_shndx to get
1454 correct section index.
1455 (Arm_relobj::find_linked_text_section): Ditto.
1456
1457 2010-04-07 Cary Coutant <ccoutant@google.com>
1458
1459 * archive.cc (include_member): Destroy Read_symbols_data object before
1460 releasing file.
1461 * object.cc (Read_symbols_data::~Read_symbols_data) New destructor.
1462 * object.h (Read_symbols_data::Read_symbols_data) New constructor.
1463 (Read_symbols_data::~Read_symbols_data) New destructor.
1464 (Section_relocs::Section_relocs) New constructor.
1465 (Section_relocs::~Section_relocs) New destructor.
1466 (Read_relocs_data::Read_relocs_data) New constructor.
1467 (Read_relocs_data::~Read_relocs_data) New destructor.
1468 * testsuite/binary_unittest.cc (Sized_binary_test): Set sd member
1469 pointers to NULL after deleting.
1470
1471 2010-04-07 Doug Kwan <dougkwan@google.com>
1472
1473 * arm.cc: Replace "endianity" with "endianness" in comments.
1474 (Arm_exidx_cantunwind): Ditto.
1475 (Arm_relobj::Arm_relobj): Initialize merge_flags_and_attribures.
1476 (Arm_relobj::merge_flags_and_attributes): New method.
1477 (Arm_relobj::merge_flags_and_attributes_): New data member.
1478 (Arm_exidx_cantunwind::do_fixed_endian_write): Fix formatting.
1479 (Arm_relobj::scan_sections_for_stubs): Ditto.
1480 (Arm_relobj::do_read_symbols): Check to see if we really want to
1481 merge processor-specific flags and attributes. Exit early if
1482 an object is empty except for section names and the undefined symbol.
1483 (Target_arm::do_finalize_sections): Move check for ELF format to
1484 Arm_relobj::do_read_symbols. Merge processor specific flags and
1485 attributes from a regular object only when we have determined that
1486 it is aapropriate. Do not create an .ARM.attributes section in
1487 output if there is no regular input object.
1488 (Target_arm::merge_processor_specific_flags): Check
1489 --warn-mismatch before printing any error.
1490 (Target_arm::merge_object_attributes): Ditto.
1491 * gold.cc (queue_middle_tasks): Handle the case in which there is
1492 no regular object in input.
1493 * options.cc (General_options::parse_EB): New method.
1494 (General_options::parse_EL): Same.
1495 (General_options::General_options): Initialize endianness_.
1496 * options.h (-EB, -EL, -no-pipeline-knowledge, -p, --warn-mismatch):
1497 New options.
1498 (General_options::Endianness): New enum.
1499 (General_options::endianness): New method.
1500 (General_options::endianness_): New data member.
1501 * parameters.cc (Parameters::set_options): Check target endianness.
1502 (Parameters::set_target_once): Ditto.
1503 (Parameters::check_target_endianness): New method.
1504 (parameters_force_valid_target): If either -EL or -EB is specified,
1505 use it to define endianness of default target.
1506 * parameters.h (Parameters::check_target_endianness): New method
1507 declaration.
1508 * target.h (class Target): Change "endianity" to "endianness"
1509 in comments.
1510
1511 2010-04-07 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
1512
1513 * configure.ac (AM_INIT_AUTOMAKE): Add option no-dist.
1514 * configure: Regenerate.
1515 * Makefile.in: Regenerate.
1516 * testsuite/Makefile.in: Regenerate.
1517
1518 2010-04-06 Cary Coutant <ccoutant@google.com>
1519
1520 gcc PR lto/42757
1521 * plugin.cc (Pluginobj::get_symbol_resolution_info): Check for
1522 prevailing definitions of common symbols.
1523 * testsuite/plugin_test_6.sh: New test case.
1524 * testsuite/plugin_common_test_1.c: New test case.
1525 * testsuite/plugin_common_test_2.c: New test case.
1526 * testsuite/Makefile.am (plugin_test_6): New test case.
1527 * testsuite/Makefile.in: Regenerate.
1528
1529 2010-04-06 Nick Clifton <nickc@redhat.com>
1530
1531 * po/vi.po: New Vietnamese translation.
1532
1533 2010-03-30 Doug Kwan <dougkwan@google.com>
1534
1535 * arm.cc (Target_arm::using_thumb_only): Handle v6-M
1536
1537 2010-03-25 Doug Kwan <dougkwan@google.com>
1538
1539 * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Rearrange code
1540 to avoid a conversion warning on a 32-bit host.
1541
1542 2010-03-24 Ian Lance Taylor <iant@google.com>
1543
1544 * testsuite/script_test_3.t: Add a TLS segment.
1545 * testsuite/Makefile.am (check_PROGRAMS): Add
1546 tls_phdrs_script_test.
1547 (tls_phdrs_script_test_SOURCES): Define.
1548 (tls_phdrs_script_test_DEPENDENCIES): Define.
1549 (tls_phdrs_script_test_LDFLAGS): Define.
1550 (tls_phdrs_script_test_LDADD): Define.
1551 * testsuite/Makefile.in: Rebuild.
1552
1553 2010-03-23 Cary Coutant <ccoutant@google.com>
1554
1555 * fileread.cc (find_or_make_view): Fix comment.
1556
1557 2010-03-23 Ian Lance Taylor <iant@google.com>
1558
1559 * script-sections.cc (class Orphan_section_placement): Define
1560 PLACE_TLS and PLACE_TLS_BSS.
1561 (Orphan_section_placement::Orphan_section_placement): Initialize
1562 new places.
1563 (Orphan_section_placement::find_place): Handle SHF_TLS sections.
1564 * testsuite/Makefile.am (check_PROGRAMS): Add tls_script_test.
1565 (tls_script_test_SOURCES): Define.
1566 (tls_script_test_DEPENDENCIES): Define.
1567 (tls_script_test_LDFLAGS): Define.
1568 (tls_script_test_LDADD): Define.
1569 * testsuite/Makefile.in: Rebuild.
1570
1571 2010-03-22 Doug Kwan <dougkwan@google.com>
1572
1573 * arm.cc (Arm_relocate_functions::abs8,
1574 Arm_relocate_functions::abs16): Use correct check for overflow
1575 specified in the ARM ELF specs.
1576 (Arm_relocate_functions): thumb_branch_common. Handle bit 1 of branch
1577 target of a BLX instruction specially.
1578 (Reloc_stub::stub_type_for_reloc): Ditto.
1579 (Relocate::relocate): Use symbolic names instead of numeric relocation
1580 codes to report error.
1581 (Target_arm::do_relox): Reduce default stub-group size for Cortex-A8
1582 workaround.
1583 * testsuite/Makefile.am (check_DATA): add thumb_blx_in_range.stdout,
1584 thumb_blx_out_of_range.stdout, thumb2_blx_in_range.stdout and
1585 thumb2_blx_out_of_range.stdout
1586 (thumb_bl_out_of_range, thumb_bl_out_of_range.o,
1587 thumb2_bl_out_of_range, thumb2_bl_out_of_range.o): Fix dependenices.
1588 (thumb_blx_in_range.stdout, thumb_blx_in_range, thumb_blx_in_range.o,
1589 thumb_blx_out_of_range.stdout, thumb_blx_out_of_range,
1590 thumb_blx_out_of_range.o, thumb2_blx_in_range.stdout,
1591 thumb2_blx_in_range, thumb2_blx_in_range.o,
1592 thumb2_blx_out_of_range.stdout, thumb2_blx_out_of_range,
1593 thumb2_blx_out_of_range.o): New rules.
1594 (MOSTLYCLEANFILES): Add thumb_blx_in_range, thumb_blx_out_of_range,
1595 thumb2_blx_in_range and thumb2_blx_out_of_range.
1596 * testsuite/Makefile.in: Regenerate.
1597 * arm_branch_in_range.sh: Add tests for THUMB BLX.
1598 * testsuite/thumb_blx_in_range.s: New file.
1599 * testsuite/thumb_blx_out_of_range.s: New file.
1600
1601 2010-03-22 Rafael Espindola <espindola@google.com>
1602
1603 * archive.cc (Should_include): Move to archive.h.
1604 (should_include_member): Make it a member of Archive.
1605 (Lib_group): New.
1606 (Add_lib_group_symbols): New.
1607 * archive.h: Include options.h.
1608 (Archive_member): Moved from Archive.
1609 (Should_include): Moved from archive.cc.
1610 (Lib_group): New.
1611 (Add_lib_group_symbols): New.
1612 * dynobj.cc (do_should_include_member): New.
1613 * dynobj.h (do_should_include_member): New.
1614 * gold.cc (queue_initial_tasks): Update call to queue.
1615 * main.cc (main): Print lib group stats.
1616 * object.cc (do_should_include_member): New.
1617 * object.h: Include archive.h.
1618 (Object::should_include_member): New.
1619 (Object::do_should_include_member): New.
1620 (Sized_relobj::do_should_include_member): New.
1621 * options.cc (General_options::parse_start_lib): New.
1622 (General_options::parse_end_lib): New.
1623 (Input_arguments::add_file): Handle lib groups.
1624 (Input_arguments::start_group): Check we are not in a lib.
1625 (Input_arguments::start_lib): New.
1626 (Input_arguments::end_lib): New.
1627 * options.h (General_options): Add start_lib and end_lib.
1628 (Input_argument::lib_): New.
1629 (Input_argument::lib): New.
1630 (Input_argument::is_lib): New.
1631 (Input_file_lib): New.
1632 (Input_arguments::in_lib_): New.
1633 (Input_arguments::in_lib): New.
1634 (Input_arguments::start_lib): New.
1635 (Input_arguments::end_lib_): New.
1636 * plugin.cc (Pluginobj::get_symbol_resolution_info): Mark symbols
1637 in unused members as preempted.
1638 (Sized_pluginobj::do_should_include_member): New.
1639 * plugin.h (Sized_pluginobj::do_should_include_member): New.
1640 * readsyms.cc (Read_symbols::locks): If we are just reading a member,
1641 return the blocker.
1642 (Read_symbols::do_whole_lib_group): New.
1643 (Read_symbols::do_lib_group): New.
1644 (Read_symbols::do_read_symbols): Handle lib groups.
1645 (Read_symbols::get_name): Handle lib groups.
1646 * readsyms.h (Read_symbols): Add an archive member pointer.
1647 (Read_symbols::do_whole_lib_group): New.
1648 (Read_symbols::do_lib_group): New.
1649 (Read_symbols::member_): New.
1650 * script.cc (read_input_script): Update call to queue_soon.
1651
1652 2010-03-19 Doug Kwan <dougkwan@google.com>
1653
1654 * arm.cc (Stub_table::Stub_table): Initialize new data members
1655 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1656 (Stub_table::add_reloc_stub): Assign stub offset and update
1657 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_.
1658 (Stub_table::reloc_stubs_size_, Stub_table::reloc_stubs_addralign_):
1659 New data members.
1660 (Stub_table::update_data_size_and_addralign): Use
1661 Stub_table::reloc_stubs_size_ and Stub_table::reloc_stubs_addralign_
1662 instead of going over all reloc stubs.
1663 (Stub_table::finalize_stubs): Do not assign reloc stub offsets.
1664 * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1665 Stringpool_template::offset_ to size of Stringpool_char.
1666 (Stringpool_template::new_key_offset): Remove code to initialize
1667 Stringpool_template::offset_.
1668 * stringpool.h (Stringpool_template::set_no_zero_null): Set
1669 Stringpool_template::offset_ to zero.
1670
1671 2010-03-15 Doug Kwan <dougkwan@google.com>
1672
1673 * stringpool.cc (Stringpool_template::Stringpool_template): Initialize
1674 offset_.
1675 (Stringpool_template::new_key_offset): New method.
1676 (Stringpool_template::add_string): Assign offsets when adding new
1677 strings.
1678 (Stringpool_template::set_string_offsets): Do not set string offsets
1679 when not optimizing.
1680 * stringpool.h (Chunked_vector::Chunked_vector): Initialize data
1681 member size_.
1682 (Chunked_vector::clear): Clear size_.
1683 (Chunked_vector::reserve): Call reserve method of all Element_vectors.
1684 (Chunked_vector::size): Return size_.
1685 (Chunked_vector::push_back): Use size_ to find insert position.
1686 (Chunked_vector::size_): New data member.
1687 (Stringpool_template::set_no_zero_null): Assert string set is empty.
1688 (Stringpool_template::new_key_offset): New method declaration.
1689 (Stringpool_template::offset_): New data member.
1690
1691 2010-03-15 Rafael Espindola <espindola@google.com>
1692
1693 * readsyms.cc (Read_symbols::do_read_symbols): Update calls to
1694 Add_symbols' constructor.
1695 * readsyms.h (Add_symbols): Remove the input_group member.
1696
1697 2010-03-10 Ian Lance Taylor <iant@google.com>
1698
1699 * reloc.cc (Sized_relobj::split_stack_adjust_reltype): Call the
1700 target to ask whether a reference to a symbol requires a stack
1701 split.
1702 * target.h (Target::is_call_to_non_split): New function.
1703 (Target::do_is_call_to_non_split): Declare virtual function.
1704 * target.cc: Include "symtab.h".
1705 (Target::do_is_call_to_non_split): New function.
1706 * i386.cc (Target_i386::do_is_call_to_non_split): New function.
1707
1708 2010-03-10 Cary Coutant <ccoutant@google.com>
1709
1710 * fileread.cc (File_read::~File_read): Don't delete whole_file_view_.
1711 (File_read::open[1]): Remove initial mapping of whole_file_view_.
1712 (File_read::open[2]): Add whole_file_view_ to list of views.
1713 (File_read::make_view): Remove test of whole_file_view_.
1714 (File_read::find_or_make_view): Create whole_file_view_ if
1715 necessary.
1716 (File_read::clear_views): Replace bool parameter with enum;
1717 adjust all callers. Don't delete views with permanent data;
1718 do delete cached views and views from archives if
1719 --no-keep-files-mapped is set. Set whole_file_view_ to NULL
1720 if clearing the corresponding view.
1721 * fileread.h (File_read::Clear_views_mode): New enum.
1722 (File_read::View::is_permanent_view): New method.
1723 (File_read::clear_views): Replace bool parameter
1724 with enum; adjust all callers.
1725 * options.h (General_options): Change keep_files_mapped option;
1726 add map_whole_files.
1727 * readsyms.cc (Add_symbols::run): Delete sd_ object before
1728 releasing the file.
1729 * reloc.cc (Scan_relocs::run): Delete rd_ object before releasing
1730 the file.
1731
1732 2010-03-10 David S. Miller <davem@davemloft.net>
1733
1734 * sparc.cc (Target_sparc::Scan::local): Accept R_SPARC_WPLT30.
1735
1736 2010-03-09 Sriraman Tallam <tmsriram@google.com>
1737
1738 * icf.cc (get_section_contents): Add '@' marker after processing the
1739 merge reloc.
1740
1741 2010-03-08 Doug Kwan <dougkwan@google.com>
1742
1743 * gold/arm.cc (Arm_exidx_fixup::update_offset_map): Fix build breakage
1744 due to a conversion warning.
1745 (Arm_relobj::update_output_local_symbol_count): Check for local
1746 symbol with unset output index.
1747
1748 2010-03-05 Ian Lance Taylor <iant@google.com>
1749
1750 * options.h (class General_options): Add --spare-dynamic-tags.
1751 * output.cc (Output_data_dynamic::set_final_data_size): Implement
1752 --spare-dynamic-tags.
1753
1754 2010-03-05 Ian Lance Taylor <iant@google.com>
1755
1756 * incremental.cc: Include "libiberty.h".
1757
1758 2010-03-05 Rainer Orth <ro@CeBiTec.Uni-Bielefeld.DE>
1759
1760 * dynobj.h (Verdef::Verdef): Add is_info arg, is_info member
1761 function, is_info_ member.
1762 * dynobj.cc (Verdef::write): Set VER_FLG_INFO if this->is_info_.
1763 (Versions::Versions): Update caller.
1764 (Versions::define_base_version): Likewise.
1765 (Versions::add_def): Likewise.
1766
1767 2010-03-03 Sriraman Tallam <tmsriram@google.com>
1768
1769 * i386.cc (Target_i386::can_check_for_function_pointers): New function.
1770 (Scan::possible_function_pointer_reloc): New function.
1771 (Scan::local_reloc_may_be_function_pointer): Change to call
1772 possible_function_pointer_reloc.
1773 (Scan::global_reloc_may_be_function_pointer): Ditto.
1774 * icf.h (Icf::check_section_for_function_pointers): Change to reject
1775 relocations in ".data.rel.ro._ZTV" section.
1776 * testsuite/icf_safe_so_test.sh: Change to pass i386.
1777 * testsuite/icf_safe_so_test.cc: Ditto.
1778 * testsuite/icf_safe_test.cc: Ditto.
1779 * testsuite/icf_safe_test.sh: Ditto.
1780
1781 2010-03-03 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1782 Ian Lance Taylor <iant@google.com>
1783
1784 * target-reloc.h (relocate_section): Check the symbol table index
1785 for -1U before setting the local symbol index.
1786 (scan_relocatable_relocs): If copying the relocation, record that
1787 the local symbol is required.
1788 * object.h (Symbol_value::is_output_symtab_index_set): New
1789 function.
1790 (Symbol_value::may_be_discarded_from_output_symtab): New
1791 function.
1792 (Symbol_value::has_output_symtab_entry): New function.
1793 (Symbol_value::needs_output_symtab_entry): Remove.
1794 (Symbol_value::output_symtab_index): Make sure the symbol index is
1795 set.
1796 (Symbol_value::set_output_symtab_index): Make sure the symbol
1797 index is not set. Make sure the new index is valid.
1798 (Symbol_value::set_must_have_output_symtab_entry): New function.
1799 (Symbol_value::has_output_dynsym_entry): New function.
1800 (Symbol_value::set_output_dynsym_index): Make sure the new index
1801 is valid.
1802 (Sized_relobj::set_must_have_output_symtab_entry): New function.
1803 * object.cc (Sized_relobj::do_count_local_symbols): Only discard a
1804 local symbol if permitted.
1805 (Sized_relobj::do_finalize_local_symbols): Call
1806 is_output_symtab_index_set rather than needs_output_symtab_entry.
1807 (Sized_relobj::write_local_symbols): Call has_output_symtab_entry
1808 rather than needs_output_symtab_entry. Call
1809 has_output_dynsym_entry rather than needs_output_dynsym_entry.
1810 * arm.cc (Arm_relobj::update_output_local_symbol_count): Call
1811 is_output_symtab_index_set rather than needs_output_symtab_entry.
1812 * testsuite/discard_locals_relocatable_test.c: New file.
1813 * testsuite/discard_locals_test.sh: Test -r.
1814 * testsuite/Makefile.am (check_DATA): Add
1815 discard_locals_relocatable_test1.syms,
1816 discard_local_relocatable_test2.syms.
1817 (MOSTLYCLEANFILES): Likewise. Also add
1818 discard_locals_relocatable_test1.lout and
1819 discard_locals_relocatable_test2.out.
1820 (discard_locals_relocatable_test1.syms): New target.
1821 (discard_locals_relocatable_test.o): New target.
1822 (discard_locals_relocatable_test1.out): New target.
1823 (discard_locals_relocatable_test2.syms): New target.
1824 (discard_locals_relocatable_test2.out): New target.
1825 (various): Add missing ../ld-new dependencies.
1826 * testsuite/Makefile.in: Rebuild.
1827
1828 2010-03-03 Nick Clifton <nickc@redhat.com>
1829
1830 * po/fi.po: New Finnish translation.
1831
1832 2010-03-01 Doug Kwan <dougkwan@google.com>
1833
1834 * layout.cc (Layout::Layout): Force section types of .init_array*,
1835 .preinit_array* and .fini_array* sections.
1836 * output.cc (Output_section::Input_section_sort_entry::has_priority):
1837 Fix check of return value of std::string::find.().
1838 (Output_section::Input_section_sort_compare::operator()): Remove
1839 comment about .init_array.
1840 (Output_section::Input_section_sort_init_fini_compare::operator()):
1841 New method.
1842 (Output_section::sort_attached_input_sections): Handle .init_array
1843 and .fini_array specially.
1844 * output.h (Output_section::Inut_section_sort_compare): Update
1845 comment.
1846 (Output_section::Input_section_sort_init_fini_compare): New struct.
1847
1848 2010-02-26 Doug Kwan <dougkwan@google.com>
1849
1850 * arm.cc (Target_arm::Relocate::reloc_is_non_pic): Treat
1851 R_ARM_PREL31 and R_ARM_SBREL31 as position independent.
1852 * testsuite/debug_msg.sh: Avoid matching source line number for
1853 use of global variable undef_int.
1854
1855 2010-02-26 Doug Kwan <dougkwan@google.com>
1856
1857 * arm.cc (Target_arm::scan_reloc_for_stub): Move code handling
1858 R_ARM_V4BX to Target_arm::scan_reloc_section_for_stubs.
1859 (Target_arm::scan_reloc_section_for_stubs): Instead of calling
1860 scan_reloc_for_stub, do all processing of R_ARM_V4BX here.
1861 * options.cc (General_options::General_options): Initialize member
1862 fix_v4bx_.
1863 * testsuite/Makefile.am (check_SCRIPTS): Add arm_fix_v4bx.sh
1864 (check_DATA): Add arm_fix_v4bx.stdout, arm_fix_v4bx_interworking.stdout
1865 and rm_no_fix_v4bx.stdout
1866 (arm_fix_v4bx.stdout, arm_fix_v4bx, arm_fix_v4bx.o,
1867 arm_fix_v4bx_interworking.stdout, arm_fix_v4bx_interworking,
1868 arm_no_fix_v4bx.stdout, arm_no_fix_v4bx): New make rules.
1869 (MOSTLYCLEANFILES): Add arm_fix_v4bx, arm_fix_v4bx_interworking
1870 and arm_no_fix_v4bx.
1871 * Makefile.in: Regenerate.
1872 * testsuite/arm_fix_v4bx.s: New file.
1873 * testsuite/arm_fix_v4bx.sh: Ditto.
1874
1875 2010-02-24 Doug Kwan <dougkwan@google.com>
1876
1877 * arm.cc (Target_arm::got_section): Make the .got section the first
1878 non RELRO section in the data segment.
1879 * testsuite/script_test_5.sh: Fix match patterns to avoid matching
1880 suffixes of section names.
1881
1882 2010-02-24 Doug Kwan <dougkwan@google.com>
1883
1884 * arm.cc (Target_arm::do_finalize_sections): Skip processor specific
1885 flags and attributes merging if an input file is a binary file.
1886 * fileread.cc (Input_file::open): Record format of original file.
1887 * fileread.h (Input_file::Format): New enum type.
1888 (Input_file::Input_file): Initialize data member format_.
1889 (Input_file::format): New method definition.
1890 (Input_file::format_):: New data member.
1891
1892 2010-02-24 Doug Kwan <dougkwan@google.com>
1893
1894 * arm.cc (Arm_output_data_got): New class.
1895 (ARM_TCB_SIZE): New constant
1896 (Target_arm): Use Arm_output_data_got instead of Output_data_got.
1897 (Arm_output_section::fix_exidx_coverage): Add a parameter for layout.
1898 If user uses a script with a SECTIONS clause, issue only a warning
1899 for a misplaced EXIDX input section. Otherwise, issue an error.
1900 (Arm_relobj::do_gc_process_relocs): Exit early if we are not doing
1901 garbage collection.
1902 (Target_arm::got_mode_index_entry): Handle static linking.
1903 (Target_arm::Scan::local): Ditto.
1904 (Target_arm::Scan::global): Ditto.
1905 (Target_arm::Relocate::relocate_tls): Handle static linking. Fix
1906 all incorrectly implemented relocations.
1907 (Target_arm::fix_exidx_coverage): Pass layout to
1908 Arm_output_section::fix_exidx_coverage.
1909 * layout.cc (Layout::section_name_mapping): Remove trailing dots
1910 from ".ARM.exidx." and ".ARM.extab.".
1911
1912 2010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1913
1914 * arm.cc (Target_arm::do_finalize_sections): Create attribute
1915 section if it does not already exist.
1916 * attributes.cc (Attributes_section_data::Attributes_section_data):
1917 Don't crash if size is zero.
1918
1919 2010-02-23 Viktor Kutuzov <vkutuzov@accesssoftek.com>
1920 Ian Lance Taylor <iant@google.com>
1921
1922 * gold.cc (queue_middle_tasks): If no input files were opened,
1923 exit.
1924 * workqueue.h (Task_function::Task_function): Assert that there is
1925 a blocker.
1926
1927 2010-02-22 Doug Kwan <dougkwan@google.com>
1928
1929 * gold-threads.h (Once::~Once): Explicitly define virtual destructor.
1930 * icf.cc (get_section_contents): Cast snprintf arguments to long long
1931 types to avoid warnings due to different uint64_t implementations
1932 on different hosts.
1933
1934 2010-02-21 Doug Kwan <dougkwan@google.com>
1935
1936 * arm.cc (Arm_relocate_functions::arm_branch_common): Fix bug in
1937 handling of the maximum backward branch offset.
1938 (Arm_relocate_functions::thumb_branch_common): Ditto.
1939 * testsuite/Makefile.am (check_SCRIPTS): Add arm_branch_in_range.sh.
1940 (check_DATA): Add arm_bl_in_range.stdout, arm_bl_out_of_range.stdout
1941 thumb_bl_in_range.stdout, thumb_bl_out_of_range.stdout,
1942 thumb2_bl_in_range.stdout and thumb2_bl_out_of_range.stdout.
1943 (arm_bl_in_range.stdout, arm_bl_in_range, arm_bl_in_range.o,
1944 arm_bl_out_of_range.stdout, arm_bl_out_of_range,
1945 arm_bl_out_of_range.o, thumb_bl_in_range.stdout, thumb_bl_in_range,
1946 thumb_bl_in_range.o, thumb_bl_out_of_range.stdout,
1947 thumb_bl_out_of_range thumb_bl_out_of_range.o,
1948 thumb2_bl_in_range.stdout, thumb2_bl_in_range, thumb2_bl_in_range.o
1949 thumb2_bl_out_of_range.stdout, thumb2_bl_out_of_range,
1950 thumb2_bl_out_of_range.o): New rules.
1951 (MOSTLYCLEANFILES): Add arm_bl_in_range, arm_bl_out_of_range,
1952 thumb_bl_in_range, thumb_bl_out_of_range, thumb2_bl_in_range and
1953 thumb2_bl_out_of_range
1954 * testsuite/Makefile.in: Regenerate.
1955 * testsuite/arm_bl_in_range.s: New file.
1956 * testsuite/arm_bl_out_of_range.s: Ditto.
1957 * testsuite/arm_branch_in_range.sh: Ditto.
1958 * testsuite/arm_branch_range.t: Ditto.
1959 * testsuite/thumb2_branch_range.t: Ditto.
1960 * testsuite/thumb_bl_in_range.s: Ditto.
1961 * testsuite/thumb_bl_out_of_range.s: Ditto.
1962 * testsuite/thumb_branch_range.t: Ditto.
1963
1964 2010-02-20 Sriraman Tallam <tmsriram@google.com>
1965
1966 * gc.h (gc_process_relocs): Change vectors to point to the new list.
1967 Add reloc offset information.
1968 * icf.cc (get_section_contents): Change iterators to point to the new
1969 vectors. Add reloc offset information to the contents.
1970 * icf.h (Icf::Sections_reachable_info): New typedef.
1971 (Icf::Sections_reachable_list): New typedef.
1972 (Icf::Offset_info): New typedef.
1973 (Icf::Reloc_info): New struct typedef.
1974 (Icf::Reloc_info_list): New typedef.
1975 (Icf::symbol_reloc_list): Delete method.
1976 (Icf::addend_reloc_list): Delete method.
1977 (Icf::section_reloc_list): Delete method.
1978 (Icf::reloc_info_list): New method.
1979 (Icf::reloc_info_list_): New member.
1980
1981 2010-02-19 Doug Kwan <dougkwan@google.com>
1982
1983 * arm-reloc.def: Mark R_ARM_TLS_GD32, R_ARM_TLS_LDM32,
1984 R_ARM_TLS_LDO32, R_ARM_TLS_IE32 and R_ARM_TLS_LE32 are implemented.
1985 * arm.cc (Arm_relocation_functions): New forward declaration.
1986 (Target_arm::Target_arm): Initialize new data members
1987 got_mod_index_offset_ and tls_base_symbol_defined_.
1988 (Target_arm::Relocate::relocate_tls): New method.
1989 (Target_arm::optimize_tls_reloc, Target_arm::define_tls_base_symbol,
1990 Target_arm::got_mod_index_entry, Target_arm::rel_tls_desc_section):
1991 New methods.
1992 (Target_arm::Got_type): Add GOT_TYPE_TLS_NOFFSET, GOT_TYPE_OFFSET,
1993 GOT_TYPE_TLS_PAIR and GOT_TYPE_TLS_DESC.
1994 (Target_arm::got_mod_index_offset_,
1995 Target_arm::tls_base_symbol_defined_): New data members.
1996 (Target_arm::Scan::local, Target::Scan::global,
1997 Target_arm::Relocate::relocate): Handle 32-bit initial TLS
1998 relocations.
1999
2000 2010-02-18 Doug Kwan <dougkwan@google.com>
2001
2002 * arm.cc (Arm_relobj::find_linked_text_section): New method.
2003 (Arm_relobj::make_exidx_input_section): Pass section index of linked
2004 text section as a parameter becuase some broken tools may not set
2005 the link in section header.
2006 (Target_arm::has_got_section): New method.
2007 (Target_arm::scan_section_for_cortex_a8_stubs): Treat an input section
2008 without any mapping symbol as data only. Remove warning.
2009 (Arm_relobj::do_read_synbols): If an EXIDX input section has no
2010 link in its section header, try to discover the link by inspecting the
2011 REL31 relocation at the beginning of the section.
2012 (Target_arm::Scan::check_non_pic): Report name of offending relocation
2013 in error message.
2014 (Target_arm::Scan::global): Treat any reference to the symbol
2015 _GLOBAL_OFFSET_TABLE_ as a GOT access.
2016
2017 2010-02-12 Sriraman Tallam <tmsriram@google.com>
2018
2019 * arm.cc (Scan::local_reloc_may_be_function_pointer): New function.
2020 (Scan::global_reloc_may_be_function_pointer): New function.
2021 * sparc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2022 (Scan::global_reloc_may_be_function_pointer): New function.
2023 * powerpc.cc (Scan::local_reloc_may_be_function_pointer): New function.
2024 (Scan::global_reloc_may_be_function_pointer): New function.
2025 * i386.cc (Scan::local_reloc_may_be_function_pointer): New function.
2026 (Scan::global_reloc_may_be_function_pointer): New function.
2027 * x86_64.cc (Scan::local_reloc_may_be_function_pointer): New function.
2028 (Scan::global_reloc_may_be_function_pointer): New function.
2029 (Scan::possible_function_pointer_reloc): New function.
2030 (Target_x86_64::can_check_for_function_pointers): New function.
2031 * gc.h (gc_process_relocs): Scan relocation types to determine if
2032 function pointers were taken for targets that support it.
2033 * icf.cc (Icf::find_identical_sections): Include functions for
2034 folding in safe ICF whose pointer is not taken.
2035 * icf.h (Secn_fptr_taken_set): New typedef.
2036 (fptr_section_id_): New member.
2037 (section_has_function_pointers): New function.
2038 (set_section_has_function_pointers): New function.
2039 (check_section_for_function_pointers): New function.
2040 * options.h: Fix comment for safe ICF option.
2041 * target.h (can_check_for_function_pointers): New function.
2042 * testsuite/Makefile.am: Add icf_safe_so_test test case.
2043 Modify icf_safe_test for X86-64.
2044 * testsuite/Makefile.in: Regenerate.
2045 * testsuite/icf_safe_so_test.cc: New file.
2046 * testsuite/icf_safe_so_test.sh: New file.
2047 * testsuite/icf_safe_test.cc (kept_func_3): New function.
2048 (main): Change to take pointer to function kept_func_3.
2049 * testsuite/icf_safe_test.sh (arch_specific_safe_fold): Check if safe
2050 folding is done correctly for X86-64.
2051
2052 2010-02-12 David S. Miller <davem@davemloft.net>
2053
2054 * output.h (Output_reloc<SHT_REL>::Output_reloc): Add
2055 is_symbolless parameter.
2056 (Output_reloc<SHT_REL>::is_symbolless): New.
2057 (Output_reloc<SHT_REL>::is_symbolless_): New.
2058 (Output_reloc<SHT_REL>::type_): Decrease to 29 bits.
2059 (Output_reloc<SHT_RELA>::Output_reloc): Add is_symbolless parameter.
2060 (Output_reloc<SHT_RELA>::is_symbolless): New.
2061 (Output_data_reloc::add_global): Handle is_symbolless.
2062 (Output_data_reloc::add_global_relative): Likewise.
2063 (Output_data_reloc::add_local): Likewise.
2064 (Output_data_reloc::add_local_relative): Likewise.
2065 (Output_data_reloc::add_symbolless_global_addend): New.
2066 (Output_data_reloc::add_symbolless_local_addend): New.
2067 * output.cc (Output_reloc<SHT_REL>::Output_reloc): Handle
2068 is_symbolless.
2069 (Output_reloc::set_needs_dynsym_index): Test ->is_symbolless_
2070 instead of ->is_relative_
2071 (Output_reloc::write): Likewise.
2072 (Output_reloc::get_symbol_index): Return 0 when ->is_symbolless_
2073 (Output_reloc::write_rel): Simplify.
2074
2075 * sparc.cc (Target_sparc::Scan::local): Use
2076 ->add_symbolless_local_addend as needed.
2077 (Target_sparc::Scan::global): Use ->add_symbolless_global_addend as
2078 needed. Also, emit appropriate unaligned vs. aligned dynamic reloc
2079 based upon relocation offset.
2080
2081 2010-02-11 Doug Kwan <dougkwan@google.com>
2082
2083 * arm.cc (Target_arm::Scan::local): Fix bugs in relocation handling.
2084 (Target_arm::Scan::global): Ditto. Also remove a comment before the
2085 beginning of function.
2086 (Target_arm::Relocate::relocate): Remove error messages for MOVW_ABS
2087 and MOVT_ABS relocations. Those are non issued in scanning. Fix
2088 parameter is_32bit in calls to should_apply_static_reloc.
2089 * testsuite/Makefile.am (check_SCRIPTS): Add arm_abs_global.sh.
2090 (check_DATA): Add arm_abs_global.stdout.
2091 (arm_abs_lib.o, libarm_abs.so, arm_abs_global.o, arm_abs_global,
2092 arm_abs_global.stdout): New rules.
2093 (MOSTLLYCLEANFILES): Add arm_abs_global
2094 * Makefile.in: Regenerate.
2095 * testsuite/arm_abs_global.s: New file.
2096 * testsuite/arm_abs_global.sh: Ditto.
2097 * testsuite/arm_abs_lib.s: Ditto.
2098
2099 2010-02-11 Ian Lance Taylor <iant@google.com>
2100
2101 * gold.cc (queue_middle_gc_tasks): Use a separate blocker for each
2102 Read_relocs task.
2103 (queue_middle_tasks): Likewise, and also for Scan_relocs. Run
2104 Allocate_commons_task first.
2105 * reloc.cc (Read_relocs::run): Pass next_blocker_ down to next
2106 task, rather than symtab_lock_.
2107 (Gc_process_relocs::~Gc_process_relocs): New function.
2108 (Gc_process_relocs::is_runnable): Check this_blocker_.
2109 (Gc_process_relocs::locks): Use next_blocker_ rather than
2110 blocker_.
2111 (Scan_relocs::~Scan_relocs): New function.
2112 (Scan_relocs::is_runnable): Check this_blocker_ rather than
2113 symtab_lock_.
2114 (Scan_relocs::locks): Drop symtab_lock_ and blocker_. Add
2115 next_blocker_.
2116 * reloc.h (class Read_relocs): Drop symtab_lock_ and blocker_
2117 fields. Add this_blocker_ and next_blocker_ fields. Adjust
2118 constructor accordingly.
2119 (class Gc_process_relocs): Likewise.
2120 (class Scan_relocs): Likewise.
2121 * common.h (class Allocate_commons_task): Remove symtab_lock_
2122 field, and corresponding constructor parameter.
2123 * common.cc (Allocate_commons_tasK::is_runnable): Remove use of
2124 symtab_lock_.
2125 (Allocate_commons_task::locks): Likewise.
2126
2127 2010-02-11 Ian Lance Taylor <iant@google.com>
2128
2129 * gold-threads.h (class Once): Define.
2130 (class Initialize_lock): Rewrite as child of Once.
2131 * gold-threads.cc (class Once_initialize): Define.
2132 (once_pointer_control): New static variable.
2133 (once_pointer, once_arg): New static variables.
2134 (c_run_once): New static function.
2135 (Once::Once, Once::run_once, Once::internal_run): New functions.
2136 (class Initialize_lock_once): Remove.
2137 (initialize_lock_control): Remove.
2138 (initialize_lock_pointer): Remove.
2139 (initialize_lock_once): Remove.
2140 (Initialize_lock::Initialize_lock): Move to gold-threads.h.
2141 (Initialize_lock::initialize): Rewrite.
2142 (Initialize_lock::do_run_once): New function.
2143 * archive.cc (Archive::interpret_header): Only clear name if it is
2144 not already empty.
2145 * fileread.cc: Include "gold-threads.h"
2146 (file_counts_lock): New static variable.
2147 (file_counts_initialize_lock): Likewise.
2148 (File_read::release): Only increment counts when using --stats.
2149 Use a lock around the increment.
2150 * parameters.cc (class Set_parameters_target_once): Define.
2151 (set_parameters_target_once): New static variable.
2152 (Parameters::Parameters): Move here from parameters.h.
2153 (Parameters::set_target): Rewrite.
2154 (Parameters::set_target_once): New function.
2155 (Parameters::clear_target): Move here and rewrite.
2156 * parameters.h (class Parameters): Update declarations. Add
2157 set_parameters_target_once_ field.
2158 (Parameters::Parameters): Move to parameters.cc.
2159 (Parameters::clear_target): Likewise.
2160 * readsyms.cc (Read_symbols::do_group): Create a Start_group
2161 task.
2162 (Start_group::~Start_group): New function.
2163 (Start_group::is_runnable): New function.
2164 (Start_group::locks, Start_group::run): New functions.
2165 (Finish_group::run): Change saw_undefined to size_t.
2166 * readsyms.h (class Start_group): Define.
2167 (class Finish_group): Change saw_undefined_ field to size_t.
2168 (Finish_group::Finish_group): Remove saw_undefined and
2169 this_blocker parameters. Change all callers.
2170 (Finish_group::set_saw_undefined): New function.
2171 (Finish_group::set_blocker): New function.
2172 * symtab.h (class Symbol_table): Change saw_undefined to return
2173 size_t. Change saw_undefined_ field to size_t.
2174 * target-select.cc (Set_target_once::do_run_once): New function.
2175 (Target_selector::Target_selector): Initialize set_target_once_
2176 field. Don't initialize lock_ and initialize_lock_ fields.
2177 (Target_selector::instantiate_target): Rewrite.
2178 (Target_selector::set_target): New function.
2179 * target-select.h (class Set_target_once): Define.
2180 (class Target_selector): Update declarations. Make
2181 Set_target_once a friend. Remove lock_ and initialize_lock_
2182 fields. Add set_target_once_ field.
2183
2184 2010-02-10 Ian Lance Taylor <iant@google.com>
2185
2186 * dirsearch.cc (Dirsearch::initialize): Add all blockers before
2187 queueing any tasks.
2188 * gold.cc (queue_middle_gc_tasks): Likewise. Fix final blocker.
2189 (queue_middle_tasks): Add all blockers before queueing any tasks.
2190 (queue_final_tasks): Likewise.
2191 * token.h (Task_token::add_blockers): New function.
2192 * object.h (Input_objects::number_of_relobjs): New function.
2193
2194 2010-02-10 Ian Lance Taylor <iant@google.com>
2195
2196 * i386.cc (Relocate::relocate_tls): A local symbol is final if not
2197 shared, not if not position independent.
2198 * x86_64.cc (Relocate::relocate_tls): Likewise.
2199 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_pic_test.
2200 (tls_pie_pic_test): New target.
2201 * testsuite/Makefile.in: Rebuild.
2202
2203 * testsuite/Makefile.am (check_PROGRAMS): Add tls_pie_test.
2204 (tls_test_main_pie.o, tls_test_pie.o): New targets.
2205 (tls_test_file2_pie.o, tls_test_c_pie.o, tls_pie_test): Likewise.
2206 * testsuite/Makefile.in: Rebuild.
2207
2208 2010-02-09 David S. Miller <davem@davemloft.net>
2209
2210 * sparc.cc (Target_sparc::Scan::local): Do not emit relocs other than
2211 R_SPARC_RELATIVE using ->add_local_relative().
2212 (Target_sparc::Scan::global): Likewise for ->add_global_relative().
2213
2214 * output.h (Output_data_dynamic::add_section_size): New method
2215 that takes two Output_data objects.
2216 (Output_data_dynamic::Dynamic_entry): Create storage for secondary
2217 entry param. Handle it in initializers.
2218 * output.cc (Output_data_dynamic::Dynamic_entry::write): For
2219 DYNAMIC_SECTION_SIZE, add in second object size if non-NULL.
2220 * layout.h (Layout::add_target_dynamic_tags): Add dynrel_includes_plt
2221 arg.
2222 * layout.cc (Layout::add_target_dynamic_tags): If dynrel_includes_plt,
2223 and .rela.plt exists, set DT_REL{,A}SZ to sum of .rela.dyn and .rela.plt
2224 * arm.cc (Target_arm::do_finalize_sections): Update to pass false
2225 for dynrel_includes_plt.
2226 * i386.cc (Target_i386::do_finalize_sections): Likewise.
2227 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2228 * sparc.cc (Target_sparc::make_plt_entry): Force .rela.dyn to be output
2229 before .rela.plt
2230 (Target_sparc::do_finalize_sections): Update to pass true for
2231 dynrel_includes_plt.
2232 * powerpc.cc (Target_powerpc::make_plt_entry): Force .rela.dyn to be
2233 output before .rela.plt
2234 (Target_powerpc::do_finalize_sections): Update to pass true for
2235 dynrel_includes_plt when 32-bit.
2236
2237 2010-02-08 Doug Kwan <dougkwan@google.com>
2238
2239 * arm.cc (Arm_relobj::simple_input_section_output_address): New
2240 method.
2241 (Arm_relobj::section_needs_cortex_a8_stub_scanning,
2242 Arm_relobj::scan_section_for_cortex_a8_stubs,
2243 Arm_relobj::do_relocation_section): Instead of calling
2244 Output_section::output_address, use faster
2245 Arm_relobj::simple_input_section_output_address.
2246
2247 2010-02-08 David S. Miller <davem@davemloft.net>
2248
2249 * sparc.cc (Target_sparc::Relocate::relocate): If relocation offset is
2250 unaligned for R_SPARC_16, R_SPARC_32, or R_SPARC_64, use the unaligned
2251 relocation helper function.
2252
2253 * sparc.cc (Target_sparc::Scan::local): Handle R_SPARC_GOTDATA_OP*
2254 just like R_SPARC_GOT{10,13,22}.
2255 (Target_sparc::Scan::local): Likewise.
2256 (Target_sparc::Relocate:relocate): Likewise.
2257
2258 2010-02-06 Ian Lance Taylor <iant@google.com>
2259
2260 * configure.ac: Rewrite targetobjs duplicate removal code to use
2261 only shell constructs.
2262 * configure: Rebuild.
2263
2264 2010-02-05 Doug Kwan <dougkwan@google.com>
2265
2266 PR 11247
2267 * arm.cc (Arm_relobj::section_is_scannable): New method.
2268 (Arm_relobj::section_needs_reloc_stub_scanning): Use it.
2269 (Arm_relobj::section_needs_cortex_a8_stub_scanning): Same.
2270
2271 2010-02-04 Doug Kwan <dougkwan@google.com>
2272
2273 PR 11247
2274 * arm-reloc-property.cc (cstdio): Include.
2275 * configure.ac (targetobjs): Remove duplicates.
2276 * configure: Regenerate.
2277 * resolve.cc (Symbol_table::resolve): Explicit instantiate both
2278 big and little endian version for a given address size.
2279
2280 2010-02-03 Doug Kwan <dougkwan@google.com>
2281
2282 * arm-reloc-property.cc
2283 (Arm_reloc_property_table::reloc_name_in_error_message): New method
2284 definition.
2285 * arm-reloc-property.h
2286 (Arm_reloc_property_table::get_implemented_static_reloc_property):
2287 New method definition.
2288 (Arm_reloc_property_table::reloc_name_in_error_message): New method
2289 declaration.
2290 * arm-reloc.def (THM_MOVT_ABS, THM_MOVT_PREL, THM_MOVT_BREL): Change
2291 overflow to N.
2292 (GOT_PREL): Change implemented to Y.
2293 * arm.cc (Target_arm::reloc_uses_thumb_bit): Remove method.
2294 (Target_arm::Relocate::reloc_needs_sym_origin): Remove method.
2295 (Arm_relocate_functions::movw_abs_nc): Remove method.
2296 (Arm_relocate_functions::movt_abs): Ditto.
2297 (Arm_relocate_functions::thm_movw_abs_nc): Ditto.
2298 (Arm_relocate_functions::thm_movt_abs): Ditto.
2299 (Arm_relocate_functions::movw_rel_nc): Ditto.
2300 (Arm_relocate_functions::movw_rel): Ditto.
2301 (Arm_relocate_functions::movt_rel): Ditto.
2302 (Arm_relocate_functions:thm_movw_rel_nc): Ditto.
2303 (Arm_relocate_functions:thm_movw_rel): Ditto.
2304 (Arm_relocate_functions:thm_movt_rel): Ditto.
2305 (Arm_relocate_functions::movw, Arm_relocate_functions::movt,
2306 (Arm_relocate_functions::thm_movw, Arm_relocate_functions::thm_movt):
2307 New method definitions.
2308 (Arm_relocation_functions::arm_grp_alu): Add assertion for group index.
2309 (Arm_relocation_functions::arm_grp_ldr): Ditto.
2310 (Arm_relocation_functions::arm_grp_ldrs): Ditto.
2311 (Arm_relocation_functions::arm_grp_ldc): Ditto.
2312 (Target_arm::Relocate::relocate): Check for non-static or
2313 unimplemented relocation code and exit early. Change calls to
2314 Target_arm::reloc_uses_thumb_bit and
2315 Target_arm::Reloc::reloc_needs_sym_origin to use relocation property
2316 instead. Refactor code to handle similar relocations to increase
2317 code sharing. Remove check for unsupported relocation code in switch
2318 statement.
2319 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Use
2320 relocation property table to find out size. Change error message to
2321 print out the name of a relocation code instead of the numeric value.
2322 (Target_arm::scan_reloc_for_stub): Use relocation property table
2323 instead of calling Target_arm::reloc_uses_thumb_bit().
2324
2325 2010-02-02 Doug Kwan <dougkwan@google.com>
2326
2327 * arm.cc (Target_arm::relocate_section): Do view adjustment for all
2328 types of relaxed input section.
2329
2330 2010-02-02 Doug Kwan <dougkwan@google.com>
2331
2332 * Makefile.am (HFILES): Add arm-reloc-property.h.
2333 (DEFFILES): New.
2334 (TARGETSOURCES): Add arm-reloc-property.cc
2335 (ALL_TARGETOBJS): Add arm-reloc-property.$(OBJEXT)
2336 (libgold_a_SOURCES): $(DEFFILES)
2337 * Makefile.in: Regenerate.
2338 * arm-reloc-property.cc: New file.
2339 * arm-reloc-property.h: New file.
2340 * arm-reloc.def: New file.
2341 * arm.cc: Update comments.
2342 (arm-reloc-property.h): New included header.
2343 (arm_reloc_property_table): New global variable.
2344 (Target_arm::do_select_as_default_target): New method definition.
2345 * configure.tgt (armeb*-*-*,armbe*-*-*,arm*-*-*): Add
2346 arm-reloc-property to targ_extra_obj.
2347 * parameters.cc (set_parameters_target): Call
2348 Target::select_as_default_target().
2349 * target.h (Target::select_as_default_target): New method definition.
2350 (Target::do_select_as_default_target): Same.
2351
2352 2010-02-01 Doug Kwan <dougkwan@google.com>
2353
2354 * arm.cc (Arm_exidx_fixup::Arm_exidx_fixup): Initialize
2355 first_output_text_section_.
2356 (Arm_exidx_fixup::first_output_text_section): New method definition.
2357 (Arm_exidx_fixup::first_output_text_section_): New data member.
2358 (Arm_exidx_fixup::process_exidx_section): Record the first text
2359 output section seen.
2360 (Arm_output_section::fix_exidx_coverage): Set correct linked section
2361 and entsize in output section header.
2362
2363 2010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2364
2365 * gold/arm.cc: Added support for the ARM relocations: R_ARM_THM_PC8,
2366 R_ARM_THM_PC12, R_ARM_THM_ALU_PREL_11_0.
2367 (Arm_relocate_functions::thm_alu11): New Method.
2368 (Arm_relocate_functions::thm_pc8): New Method.
2369 (Arm_relocate_functions::thm_pc12): New Method.
2370 (Target_arm::Scan::local): Handle the relocations.
2371 (Target_arm::Scan::global): Likewise.
2372 (Target_arm::Relocate::relocate): Likewise.
2373 (Target_arm:Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
2374
2375 2010-01-29 Doug Kwan <dougkwan@google.com>
2376
2377 * arm.cc (Target_arm::Scan::global): General PLTs for the same set
2378 of relocation types as ld.
2379
2380 2010-01-29 Doug Kwan <dougkwan@google.com>
2381
2382 * arm.cc (Arm_relocate_functions::arm_branch_common) Change visibility
2383 to public.
2384 (Arm_relocate_functions::thumb_branch_common): Ditto.
2385 (Arm_relocate_functions::thm_call, Arm_relocate_functions::thm_jump24,
2386 Arm_relocate_functions::thm_xpc22, Arm_relocate_functions::plt32,
2387 Arm_relocate_functions::xpc25, Arm_relocate_functions::call,
2388 Arm_relocate_functions::jump24): Remove.
2389 (Target_arm::Relocate::relocate): Adjust code to call
2390 Arm_relocation_functions::arm_branch_common and
2391 Arm_relocation_functions::thumb_branch_common instead of their removed
2392 wrappers. Merge switch-cases together to reduce source code size.
2393
2394 2010-01-29 Doug Kwan <dougkwan@google.com>
2395
2396 * arm.cc (Arm_relobj::Arm_relobj): Initialize new data member
2397 output_local_symbol_count_needs_update_.
2398 (Arm_relobj::output_local_symbol_count_needs_update,
2399 Arm_relobj::set_output_local_symbol_count_needs_update,
2400 Arm_relobj::update_output_local_symbol_count): New methods.
2401 (Arm_relobj::output_local_symbol_count_needs_update_): New data
2402 member.
2403 (Arm_exidx_cantunwind::do_fixed_endian_write): Write address
2404 of pointed function as in a R_ARM_PREL31 relocation.
2405 (Arm_output_section<big_endian>::fix_exidx_coverage): Mark objects
2406 for output local symbol count updating.
2407 (Target_arm::do_relax): Update output local symbol counts in objects
2408 if necessary.
2409 * object.h (Sized_relobj::set_output_local_symbol_count): New method.
2410
2411 2010-01-29 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2412
2413 * arm.cc: Added support for the ARM relocations:
2414 R_ARM_MOVW_BREL_NC, R_ARM_MOVT_BREL, R_ARM_MOVW_BREL,
2415 R_ARM_THM_MOVW_BREL_NC, R_ARM_THM_MOVT_BREL, R_ARM_THM_MOVW_BREL.
2416 (Arm_relocate_functions::movw_rel_nc): Renamed (was
2417 movw_prel_nc).
2418 (Arm_relocate_functions::movw_rel): New method.
2419 (Arm_relocate_functions::movt_rel): Renamed (was movt_prel).
2420 (Arm_relocate_functions::thm_movw_rel_nc): Renamed (was
2421 thm_movw_prel_nc).
2422 (Arm_relocate_functions::thm_movw_rel): New method.
2423 (Arm_relocate_functions::thm_movt_rel): Renamed (was
2424 thm_movt_prel).
2425 (Target_arm::Scan::local): Handle MOVW_BREL/MOVT_BREL
2426 relocations.
2427 (Target_arm::Scan::global): Likewise.
2428 (Target_arm::Relocate::relocate): Likewise.
2429 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2430 Likewise.
2431
2432 2010-01-27 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2433
2434 * arm.cc: Added support for ARM group relocations.
2435 (Target_arm::reloc_needs_sym_origin): New method.
2436 (Arm_relocate_functions::calc_grp_kn): New method.
2437 (Arm_relocate_functions::calc_grp_residual): New method.
2438 (Arm_relocate_functions::calc_grp_gn): New method.
2439 (Arm_relocate_functions::arm_grp_alu): New Method.
2440 (Arm_relocate_functions::arm_grp_ldr): New Method.
2441 (Arm_relocate_functions::arm_grp_ldrs): New Method.
2442 (Arm_relocate_functions::arm_grp_ldc): New Method.
2443 (Target_arm::Scan::local): Handle the ARM group relocations.
2444 (Target_arm::Scan::global): Likewise.
2445 (Target_arm::Relocate::relocate): Likewise.
2446 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2447 Likewise.
2448
2449 2010-01-26 Doug Kwan <dougkwan@google.com>
2450
2451 * arm.cc (set): Include.
2452 (class Arm_exidx_fixup): Change type of last_input_section_ to const
2453 pointer type.
2454 (Arm_output_section::Text_section_list): New type.
2455 (Arm_output_section::append_text_sections_to_list): New method.
2456 (Arm_output_section::fix_exidx_coverage): Ditto.
2457 (Arm_relobj::Arm_relobj): Initialize exidx_section_map_.
2458 (Arm_relobj::convert_input_section_to_relaxed_section): Use
2459 Relobj::set_section_offset() instead of
2460 Sized_relobj::invalidate_section_offset().
2461 (Arm_relobj::section_needs_reloc_stub_scanning): Add an extra
2462 parameter for section headers. Ignore relocation sections for
2463 unallocated sections and EXIDX sections.
2464 (Target_arm::fix_exidx_coverage): New method.
2465 (Target_arm::output_section_address_less_than): New type.
2466 (Arm_exidx_fixup::add_exidx_cantunwind_as_needed): Use index of the
2467 linked text section instead of the EXIDX section.
2468 (Arm_output_section::create_stub_group): Add an assertion to check
2469 that this is not an EXIDX output section.
2470 (Arm_output_section::append_text_sections_to_list): New method.
2471 (Arm_output_section::fix_exidx_coverage): Ditto.
2472 (Arm_relobj::scan_sections_for_stubs): Adjust call to
2473 Arm_relobj::section_needs_reloc_stub_scanning.
2474 (Target_arm::do_relax): Fix EXIDX output section coverage in the
2475 first pass.
2476 (Target_arm::fix_exidx_coverage): New method.
2477 * object.h (Relobj::set_output_section): New method.
2478 (Sized_relobj::invalidate_section_offset): Remove method.
2479 (Sized_relobj::do_invalidate_section_offset): Remove method.
2480 (Sized_relobj::do_set_section_offset): Handle offset value -1.
2481
2482 2010-01-25 Doug Kwan <dougkwan@google.com>
2483
2484 * arm.cc (Arm_exidx_merged_section::do_output_offset):
2485 Fix warning due to signed and unsigned comparison on a 32-bit host.
2486
2487 2010-01-22 Doug Kwan <dougkwan@google.com>
2488
2489 * arm.cc (Target_arm::do_relax): Record an output section for section
2490 offset adjustment it contains any stub table that has changed.
2491 * layout.cc (Layout::clean_up_after_relaxation): Adjust section
2492 offsets in an output section if necessary.
2493 * output.cc (Output_section::Output_section): Initialize
2494 section_offsets_need_adjustments_.
2495 (Output_section::add_input_section_for_script): Renamed to
2496 Output_section::add_simple_input_section.
2497 (Output_section::save_states): Add a comment.
2498 (Output_section::discard_states): New method defintion.
2499 (Output_section::adjust_section_offsets): Same.
2500 * output.h (Output_section::add_input_section_for_script): Renamed to
2501 Output_section::add_simple_input_section.
2502 (Output_section::discard_states): New method declaration.
2503 (Output_section::adjust_section_offsets): Same.
2504 (Output_section::section_offsets_need_adjustment,
2505 Output_section::set_section_offsets_need_adjustment): New method
2506 definitions.
2507 (Output_section::section_offsets_need_adjustment_): New data member.
2508 * script-sections.cc
2509 (Output_section_element_input::set_section_address): Adjust code for
2510 renaming of Output_section::add_input_section_for_script.
2511 (Orphan_output_section::set_section_address): Same.
2512
2513 2010-01-22 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2514
2515 * gold/arm.cc (Target_arm): Updated fix_v4bx method and usage of
2516 Fix_v4bx enum values .
2517 * gold/options.h (General_options): New option definitions.
2518 (General_options::fix_v4bx): New method.
2519 (General_options::Fix_v4bx): New enum.
2520 * gold/options.cc (General_options::parse_fix_v4bx): New method.
2521 (General_options::parse_fix_v4bx_interworking): New method.
2522
2523 2010-01-22 Doug Kwan <dougkwan@google.com>
2524
2525 * arm.cc (Arm_exidx_fixup): New class.
2526
2527 2010-01-21 Doug Kwan <dougkwan@google.com>
2528
2529 * arm.cc (Arm_exidx_cantunwind, Arm_exidx_merged_section): New
2530 classes.
2531 (Arm_exidx_section_offset_map): New type.
2532
2533 2010-01-21 Doug Kwan <dougkwan@google.com>
2534
2535 * arm.cc (Arm_exidx_input_section): New class.
2536 (Arm_relobj::exidx_input_section_by_link,
2537 Arm_relobj::exidx_input_section_by_shndx,
2538 Arm_relobj::make_exidx_input_section): New methods.
2539 (read_arm_attributes_section): Remove.
2540 (Arm_relobj::do_read_symbols): Look for ARM.exidx sections and record
2541 information about them.
2542 (Arm_dynobj::do_read_symbols): Move code in read_arm_attributes_section
2543 to here.
2544
2545 2010-01-20 Doug Kwan <dougkwan@google.com>
2546
2547 * arm.cc (Target_arm::Arm_input_section_map): Change key type from
2548 Input_section_specifier to Section_id.
2549 (Target_arm::new_arm_input_section: Adjust code for change of key
2550 type.
2551 (Target_arm::find_arm_input_section): Ditto.
2552 * gc.h (object.h): Include for Section_id nand Section_id_hash.
2553 (Section_id): Remove.
2554 (Garbage_collection::Section_id_hash): Remove.
2555 * icf.h (object.h): Include for Section_id nand Section_id_hash.
2556 (Section_id): Remove.
2557 (Icf::Section_id_hash): Remove.
2558 * object.h (Section_id, Const_section_id, Section_id_hash,
2559 Const_section_id_hash): New type definitions.
2560 * output.cc (Output_section::add_relaxed_input_section): Change to
2561 use Const_section_id instead of Input_section_specifier as key type.
2562 (Output_section::add_merge_input_section): Ditto.
2563 (Output_section::build_relaxation_map): Change to use Section_id
2564 instead of Input_section_specifier as key type.
2565 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
2566 Ditto.
2567 (Output_section::convert_input_sections_to_relaxed_sections): Change
2568 to use Const_section_id instead of Input_section_specifier as key type.
2569 (Output_section::find_merge_section): Ditto.
2570 (Output_section::find_relaxed_input_section): Ditto.
2571 * output.h (Input_section_specifier): Remove class.
2572 (Output_section::Output_section_data_by_input_section_map): Change
2573 key type to Const_section_id.
2574 (Output_section::Output_relaxed_input_section_by_input_section_map):
2575 Ditto.
2576 (Output_section::Relaxation_map): Change key type to Section_id.
2577
2578 2010-01-20 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2579
2580 * gold/arm.cc: Added support for R_ARM_V4BX relocation
2581 (class Arm_v4bx_stub): New class.
2582 (DEF_STUBS): Updated definition to support v4_veneer_bx.
2583 (Stub_factory::make_arm_v4bx_stub): New method.
2584 (Stub_factory::elf32_arm_stub_v4_veneer_bx): New veneer template.
2585 (Stub_table::empty): Handle v4bx stubs.
2586 (Stub_table::add_arm_v4bx_stub): New method.
2587 (Stub_table::find_arm_v4bx_stub): New method.
2588 (Arm_relocate_functions::v4bx): New method.
2589 (Target_arm::fix_v4bx): New method.
2590 (Target_arm::Target_arm): Handle R_ARM_V4BX.
2591 (Stub_table::relocate_stubs): Likewise.
2592 (Stub_table::do_write): Likewise.
2593 (Stub_table::update_data_size_and_addralign): Likewise.
2594 (Stub_table::finalize_stubs): Likewise.
2595 (Target_arm::Scan::local): Likewise.
2596 (Target_arm::Scan::global): Likewise.
2597 (Target_arm::do_finalize_sections): Likewise.
2598 (Target_arm::Relocate::relocate): Likewise.
2599 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2600 Likewise.
2601 (Target_arm::scan_reloc_for_stub): Likewise.
2602 (Target_arm::scan_reloc_section_for_stubs): Likewise.
2603
2604 2010-01-19 Ian Lance Taylor <iant@google.com>
2605
2606 * output.cc (Output_section_headers::do_sized_write): Write large
2607 segment count to sh_info field.
2608 (Output_file_header::do_sized_write): For large segment count,
2609 write PN_XNUM to e_phnum field.
2610
2611 2010-01-15 Viktor Kutuzov <vkutuzov@accesssoftek.com>
2612
2613 * arm.cc (Arm_relocate_functions::thm_jump6): New function.
2614 (Arm_relocate_functions::thm_jump8): New function.
2615 (Arm_relocate_functions::thm_jump11): New function.
2616 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP6, R_ARM_THM_JUMP8,
2617 R_ARM_THM_JUMP11.
2618 (Target_arm::Scan::global): Likewise.
2619 (Target_arm::Relocate::relocate): Likewise.
2620 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
2621 Likewise.
2622
2623 2010-01-14 Doug Kwan <dougkwan@google.com>
2624
2625 * arm.cc (map, utility): Include headers.
2626 (Target_arm::apply_cortex_a8_workaround): New method.
2627 (Arm_relobj::do_relocate_sections): Apply any Cortex-A8 workaround.
2628 (Target_arm::Scan::local): Handle R_ARM_THM_JUMP24, R_ARM_THM_JUMP19.
2629 (Target_arm::Scan::global): R_ARM_THM_JUMP19.
2630 (Target_arm::do_finalize_sections): Set fix_cortex_a8_ according to
2631 the --[no-]fix-cortex-a8 command line options.
2632 (Target_arm::Relocate::relocate): Handle R_ARM_JUMP19.
2633 (Target_arm::relocate_stub): Use addend in instruction template.
2634 * options.h (DEFINE_bool): Set the user-set flag.
2635 (General_options): Add --[no-]-fix-cortex options.
2636 * output.cc (Output_section::convert_input_sections_to_relaxed_sections)
2637 : Update fast look-up map after conversion.
2638
2639 2010-01-14 Sriraman Tallam <tmsriram@google.com>
2640
2641 * object.cc (Sized_relobj::do_layout): Change to call layout_gnu_stack
2642 in the first pass of do_layout.
2643
2644 2010-01-13 Doug Kwan <dougkwan@google.com>
2645
2646 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2647 Arm_relobj::scan_sections_for_stubs): Rearrange code to avoid an
2648 apparent compiler problem of not folding static constant integral
2649 data members of elfcpp::Elf_sizes<32>.
2650
2651 2010-01-13 Doug Kwan <dougkwan@google.com>
2652
2653 * arm.cc (Arm_relobj::section_needs_reloc_stub_scanning,
2654 Arm_relobj::section_needs_cortex_a8_stub_scanning,
2655 Arm_relobj::scan_section_for_cortex_a8_erratum,
2656 Arm_relobj::scan_span_for_cortex_a8_erratum): New methods.
2657 (Arm_relobj::scan_sections_for_stubs): Move code deciding what
2658 sections to scan for relocation stubs into a new method
2659 Arm_relobj::section_needs_reloc_stub_scanning. Handle both
2660 relocation and Cortex-A8 stub scanning.
2661 (Target_arm::do_relax): Force stubs to be after stubbed sections
2662 if fixing the Cortex-A8 erratum. Remove all Cortex-A8 stubs at
2663 the beginning of a new relaxation pass. Update a comment.
2664 (Target_arm::scan_span_for_cortex_a8_erratum): New method definition.
2665
2666 2010-01-12 Ian Lance Taylor <iant@google.com>
2667
2668 * target-reloc.h (visibility_error): New inline function.
2669 (relocate_section): Call visibility_error.
2670 * testsuite/Makefile.am (check_DATA): Add protected_3.err.
2671 (MOSTLYCLEANFILES): Likewise.
2672 (protected_4_pic.o, protected_3.err): New targets.
2673 * testsuite/protected_4.cc: New file.
2674
2675 2010-01-12 Doug Kwan <dougkwan@google.com>
2676
2677 * arm.cc (Cortex_a8_reloc): New class.
2678 (Target_arm::Target_arm): Initialize new data members fix_cortex_a8_
2679 and cortex_a8_relocs_info_.
2680 (Target_arm::fix_cortex_a8): New method definition.
2681 (Target_arm::Cortex_a8_relocs_info): New type.
2682 (Target_arm::fix_cortex_a8_, Target_arm::cortex_a8_relocs_info_):
2683 New data member declarations.
2684 (Target_arm::scan_reloc_for_stub): Record information about
2685 relocations for THUMB branches that might be exempted from the
2686 Cortex-A8 workaround.
2687 (Target_arm::do_relax): Clear all Cortex-A8 relocation information
2688 at the beginning of a relaxation pass.
2689
2690 2010-01-12 Doug Kwan <dougkwan@google.com>
2691
2692 * arm.cc (Arm_relobj::mapping_symbols_info_): New data member.
2693 (Arm_relobj::Mapping_symbol_position,
2694 Arm_reloj::Mapping_symbol_position_less,
2695 Arm_relobj::Mapping_symbols_info): New types.
2696 (Target_arm::is_mapping_symbol_name): New method definition.
2697 (Arm_relobj::do_count_local_symbols): Save information about mapping
2698 symbols.
2699
2700 2010-01-11 Doug Kwan <dougkwan@google.com>
2701
2702 * arm.cc (Arm_relocate_functions::thumb32_branch_offset,
2703 Arm_relocate_functions::thumb32_branch_upper,
2704 Arm_relocate_functions::thumb32_branch_lower,
2705 Arm_relocate_functions::thumb32_cond_branch_offset,
2706 Arm_relocate_functions::thumb32_cond_branch_upper,
2707 Arm_relocate_functions::thumb32_cond_branch_lower,
2708 Arm_relocate_functions::thm_jump19): New methods to handle THUMB
2709 branch offset encoding.
2710 (Arm_relocate_functions::thumb_branch_common): Use new branch
2711 offset encoding methods to avoid code duplication.
2712 (Stub_template::Stub_template) Handle THUMB16_SPECIAL_TYPE.
2713 (Stub_addend_reader::operator()): Use new branch encoding method
2714 to avoid code duplication.
2715
2716 2010-01-11 Doug Kwan <dougkwan@google.com>
2717
2718 * arm.cc (Arm_relobj::do_gc_process_relocs): New method.
2719 (Target_arm::do_finalize_sections): Define special EXIDX section
2720 symbols only if referenced.
2721 * gc.h (Garbage_collection::add_reference): New method.
2722 (gc_process_relocs): Use Garbage_collection::add_reference to avoid
2723 code duplication.
2724
2725 2010-01-11 Ian Lance Taylor <iant@google.com>
2726
2727 * script.cc (Version_script_info::build_expression_list_lookup):
2728 Change complaing about duplicate wildcard match from error to
2729 warning.
2730
2731 * script.cc (class Lazy_demangler): Recreate--revert part of patch
2732 of 2009-12-30.
2733 (Version_script_info::Version_script_info): Initialize globs_,
2734 default_version_, default_is_global_, and exact_. Don't
2735 initialize globals_ or locals_.
2736 (Version_script_info::build_lookup_tables): Build local symbols
2737 first.
2738 (Version_script_info::unquote): New function.
2739 (Version_script_info::add_exact_match): New function.
2740 (Version_script_info::build_expression_list_lookup): Remove lookup
2741 parameter. Add is_global parameter. Change all callers. Handle
2742 wildcard pattern specially. Unquote pattern. Call
2743 add_exact_match.
2744 (Version_script_info::get_name_to_match): New function.
2745 (Version_script_info::get_symbol_version): New function.
2746 (Version_script_info::get_symbol_version_helper): Remove.
2747 (Version_script_info::check_unmatched_names): Call unquote.
2748 * script.h (class Version_script_info): Change get_symbol_version
2749 to be non-inline and add is_global parameter; change all callers.
2750 Rewrite symbol_is_local. Update declarations. Define struct
2751 Version_tree_match, Exact, Globs. Don't define struct Lookup.
2752 Remove globals_ and locals_ members. Add exact_, globs_,
2753 default_version_, is_global_.
2754 (Version_script_info::Glob): Remove pattern, add expression and
2755 is_global. Update constructor. Change all callers.
2756 * dynobj.cc (Versions::finalize): Mark the version symbol as the
2757 default version.
2758 (Versions::symbol_section_contents): If a symbol is undefined, or
2759 defined in a dynamic object, set the version index to
2760 VER_NDX_LOCAL.
2761 * symtab.cc (Symbol_table::add_from_relobj): Don't call
2762 symbol_is_local.
2763 (Symbol_table::add_from_pluginobj): Likewise.
2764 * testsuite/ver_matching_test.sh: blaza1 and blaza go into V2.
2765
2766 2010-01-11 Doug Kwan <dougkwan@google.com>
2767
2768 * Makefile.am (incremental_dump_DEPENDENCIES): Add libintl dependency.
2769 (incremental_dump_LDADD): Add linking option for libintl.
2770 * Makefile.in: Regenerate.
2771
2772 2010-01-11 H.J. Lu <hongjiu.lu@intel.com>
2773
2774 PR gold/11144
2775 * testsuite/Makefile.am (dynamic_list.stdout): Use --dyn-syms
2776 instead of -Ds.
2777 * testsuite/Makefile.in: Regenerated.
2778
2779 2010-01-10 Doug Kwan <dougkwan@google.com>
2780
2781 * options.h (DEFINE_var): Use parentheses around argument varname__
2782 in macro body to avoid any unintended subsequent substitutions.
2783
2784 2010-01-10 Ian Lance Taylor <iant@google.com>
2785
2786 * resolve.cc (Symbol_table::resolve): Add symbols to list of ODR
2787 candidates before doing symbol resolution.
2788
2789 * resolve.cc (Symbol_table::resolve): Add symbols to the list of
2790 ODR candidates if only one is weak.
2791
2792 2010-01-08 Ian Lance Taylor <iant@google.com>
2793
2794 * script.cc (Version_script_info::build_expression_list_lookup):
2795 Don't warn about ambiguous version, just record the ambiguity.
2796 (Version_script_info::get_symbol_version_helper): Give error if
2797 version is ambiguous.
2798
2799 2010-01-08 Doug Kwan <dougkwan@google.com>
2800
2801 * arm.cc (Stub_table::Stub_table): Initalize cortex_a8_stubs_,
2802 prev_data_size_ and prev_addralign_. Remove initializer for
2803 deleted data member has_been_changed_.
2804 (Stub_table::empty): Look at both reloc_stubs_ and cortex_a8_stubs_
2805 to determine if the table is empty.
2806 (Stub_table::has_been_changed, Stub_table_set_has_been_changed):
2807 Remove.
2808 (Stub_table::add_reloc_stub): Define method in class definition
2809 instead of just declaring it there.
2810 (Stub_table::add_cortex_a8_stub): New method definition.
2811 (Stub_table::update_data_size_and_addralign): Ditto.
2812 (Stub_table::finalize_stubs): Ditto.
2813 (Stub_table::apply_cortex_a8_workaround_to_address_range): Ditto.
2814 (Stub_table::do_addralign_): Return address alignment in the
2815 (Stub_table::do_reset_address_and_file_offset): Define method in
2816 class definition instead of declaring it there. Set current data
2817 size to be the data size of the previous pass.
2818 (Stub_table::set_final_data_size): Use current data size as the
2819 final data size.
2820 (Stub_table::relocate_stub): Change parameter type of stub from
2821 Reloc_stub pointer to Stub pointer.
2822 (Stub_table::addralign_, Stub_table::has_been_changed_): Remove.
2823 (Stub_table::Cortex_a8_stub_list): New typedef.
2824 (Stub_table::cortex_a8_stubs_, Stub_table::prev_data_size_,
2825 Stub_table::prev_addralign_): New data member.
2826 (Arm_relobj::Arm_relobj): Initialize data member
2827 section_has_cortex_a8_workaround_.
2828 (Arm_relobj::section_has_cortex_a8_workaround,
2829 Arm_relobj::mark_section_for_cortex_a8_workaround): New method
2830 definitions.
2831 (Arm_relobj::section_has_cortex_a8_workaround_): New data member
2832 declarations.
2833 (Target_arm::relocate_stub): Change parameter type of stub from
2834 Reloc_stub pointer to Stub pointer.
2835 (Insn_template::size, Insn_template::alignment): Handle
2836 THUMB16_SPECIAL_TYPE.
2837 (Stub_table::remove_all_cortex_a8_stubs, Stub_table::finalize_stubs,
2838 Stub_table::update_data_size_and_addralign,
2839 Stub_table::apply_cortex_a8_workaround_to_address_range): New method
2840 definitions.
2841 (Stub_table::relocate_stubs): Handle Cortex-A8 stubs.
2842 (Stub_table::do_write): Ditto.
2843 (Target_arm::do_relax): Adjust code for changes in Stub_table.
2844
2845 2010-01-08 Ian Lance Taylor <iant@google.com>
2846
2847 PR 11108
2848 * symtab.h (class Symbol): Remove fields is_target_special_ and
2849 has_plt_offset_. Add field is_defined_in_discarded_section_.
2850 (Symbol::is_defined_in_discarded_section): New function.
2851 (Symbol::set_is_defined_in_discarded_section): New function.
2852 (Symbol::has_plt_offset): Rewrite.
2853 (Symbol::set_plt_offset): Verify that new offset is not -1U.
2854 * symtab.cc (Symbol::init_fields): Initialize plt_offset_ to -1U.
2855 Don't initialize is_target_special_ or has_plt_offset_.
2856 Initialize is_defined_in_discarded_section_.
2857 (Symbol_table::add_from_relobj): If appropriate, set
2858 is_defined_in_discarded_section.
2859 * resolve.cc (Symbol::override_base_with_special): Don't test
2860 is_target_special_. Change has_plt_offset_ to has_plt_offset().
2861 * target-reloc.h (relocate_section): Do special handling for
2862 symbols defined in discarded sections for global symbols as well
2863 as local symbols.
2864
2865 2010-01-08 Ian Lance Taylor <iant@google.com>
2866
2867 * dynobj.cc (big_endian>::find_dynsym_sections): Set pi to NULL in
2868 the SHT_SYMTAB case.
2869
2870 2010-01-08 Ian Lance Taylor <iant@google.com>
2871
2872 * object.cc (Sized_relobj::do_layout): Don't get confused if
2873 layout_eh_frame returns NULL.
2874
2875 2010-01-08 Ian Lance Taylor <iant@google.com>
2876
2877 PR 11084
2878 * dynobj.cc (Sized_dynobj::find_dynsym_sections): If there is no
2879 dynamic symbol table, use the normal symbol table.
2880 (Sized_dynobj::do_read_symbols): Remove assertion about type of
2881 symbol table.
2882
2883 2010-01-08 Ian Lance Taylor <iant@google.com>
2884
2885 PR 11072
2886 * layout.cc (Layout::include_section): Remove .gnu_debuglink
2887 sections.
2888
2889 2010-01-08 H.J. Lu <hongjiu.lu@intel.com>
2890
2891 * version.cc (print_version): Change to "Copyright 2010".
2892
2893 2010-01-08 Ian Lance Taylor <iant@google.com>
2894
2895 PR 10287
2896 PR 11063
2897 * i386.cc (class Target_i386): Change return type of plt_section
2898 to be non-const.
2899 (class Output_data_plt_i386): Add tls_desc_rel_ field.
2900 (Output_data_plt_i386::Output_data_plt_i386): Initialize
2901 tls_desc_rel_ field.
2902 (Output_data_plt_i386::rel_tls_desc): New function.
2903 (Target_i386::rel_tls_desc_section): New function.
2904 (Target_i386::Scan::local): Rewrite R_386_TLS_GOTDESC handling.
2905 (Target_i386::Scan::global): For R_386_TLS_GOTDESC put
2906 R_386_TLS_DESC reloc in rel_tls_desc_section.
2907 * x86_64.cc (class Target_x86_64): Add tlsdesc_reloc_info_ field.
2908 Define struct Tlsdesc_info.
2909 (Target_x86_64::Target_x86_64): Initialize tlsdesc_reloc_info_.
2910 (Target_x86_64::do_reloc_symbol_index): New function.
2911 (Target_x86_64::add_tlsdesc_info): New function.
2912 (class Output_data_plt_x86_64): Add tlsdesc_rel_ field.
2913 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize
2914 tlsdesc_rel_ field.
2915 (Output_data_plt_x86_64::rela_plt): Rename from rel_plt. Change
2916 all callers.
2917 (Output_data_plt_x86_64::rela_tlsdesc): New function.
2918 (Target_x86_64::rela_tlsdesc_section): New function.
2919 (Target_x86_64::Scan::local): Rewrite R_X86_64_GOTPC32_TLSDESC
2920 handling.
2921 (Target_x86_64::Scan::global): For R_X86_64_GOTPC32_TLSDESC put
2922 (Target_x86_64::do_reloc_addend): New function.
2923 R_X86_64_TLSDESC reloc in rela_tlsdesc_section.
2924 * output.h (class Output_reloc) [SHT_REL]: Add new constructor
2925 declarations. Define TARGET_CODE. Add arg field to u1_ union.
2926 (Output_reloc::type): New function.
2927 (Output_reloc::is_local_section_symbol): Check for TARGET_CODE.
2928 (Output_reloc::is_target_specific): New function.
2929 (Output_reloc::target_arg): New function.
2930 (class Output_reloc) [SHT_RELA]: Add four new constructors for
2931 absolute relocs and target specific relocs.
2932 (class Output_data_reloc) [SHT_REL]: Add add_absolute and
2933 add_target_specific.
2934 (class Output_data_reloc) [SHT_RELA]: Likewise.
2935 * output.cc (Output_reloc::Output_reloc): Add four new versions
2936 for absolute relocs and target specific relocs.
2937 (Output_reloc::set_needs_dynsym_index): Add TARGET_CODE case.
2938 (Output_reloc::get_symbol_index): Likewise.
2939 (Output_reloc::local_section_offset): Check that local_sym_index_
2940 is not TARGET_CODE or 0.
2941 (Output_reloc::symbol_value): Likewise.
2942 (Output_reloc::write) [SHT_RELA]: Call target for target specific
2943 reloc.
2944 * target.h (class Target): Add reloc_symbol_index and reloc_addend
2945 functions. Add do_reloc_symbol_index and do_reloc_addend virtual
2946 functions.
2947 * layout.cc (add_target_dynamic_tags): Use output section for
2948 DT_PLTRELSZ and DT_JMPREL.
2949
2950 2010-01-07 Ian Lance Taylor <iant@google.com>
2951
2952 PR 11061
2953 * output.h (class Output_reloc) [SHT_RELA]: Add is_relative
2954 function.
2955 (class Output_data_reloc_generic): Define.
2956 (class Output_data_reloc_base): Change base class to
2957 Output_data_reloc_generic. Change add() method to call
2958 bump_relative_reloc_count for a relative reloc. Remove
2959 sort_relocs_ field.
2960 * output.cc (Output_data_reloc_base::do_write): Change sort_reloc_
2961 to sort_relocs().
2962 * layout.cc (Layout::add_target_dynamic_tags): Change dyn_rel to
2963 Output_data_reloc_generic*. Add DT_RELCOUNT/DT_RELACOUNT tag if
2964 appropriate.
2965 * layout.h (class Layout): Update declaration.
2966
2967 2010-01-07 Ian Lance Taylor <iant@google.com>
2968
2969 * output.h (class Output_data): Add const version of
2970 output_section and do_output_section.
2971 (class Output_section_data): Add const version of
2972 do_output_section.
2973 (class Output_section): Likewise.
2974 * layout.cc (Layout::add_target_dynamic_tags): New function.
2975 * layout.h (class Layout): Update declarations.
2976 * arm.cc (Target_arm::do_finalize_sections): Use
2977 add_target_dynamic_tags.
2978 * i386.cc (Target_i386::do_finalize_sections): Likewise.
2979 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
2980 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
2981 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
2982
2983 2010-01-07 Ian Lance Taylor <iant@google.com>
2984
2985 PR 11042
2986 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Mark the dynamic
2987 object as needed.
2988
2989 2010-01-07 Dmitry Gorbachev <d.g.gorbachev@gmail.com>
2990 Ian Lance Taylor <iant@google.com>
2991
2992 PR 11019
2993 * object.cc: Instantiate Xindex::initialize_symtab_xindex and
2994 Xindex::read_symtab_xindex.
2995
2996 2010-01-07 Doug Kwan <dougkwan@google.com>
2997
2998 * arm.cc (Insn_template::Type): New enum value THUMB16_SPECIAL_TYPE.
2999 (Insn_template::thumb16_bcond_insn): New method declaration.
3000 (Insn_template): Fix spelling.
3001 (Stub::thumb16_special): New method declaration.
3002 (Stub::do_write): Define virtual method which was previously pure
3003 virtual.
3004 (Stub::do_thumb16_special): New method declaration.
3005 (Stub::do_fixed_endian_write): New template member.
3006 (Reloc_stub::do_write): Remove.
3007 (Reloc_stub::do_fixed_endian_write): Remove.
3008 (Cortex_a8_stub): New class definition.
3009 (Stub_factory::make_cortex_a8_stub): New method definition.
3010 (Stub_factory::Stub_factory): Add missing static storage class
3011 qualifier for elf32_arm_stub_a8_veneer_blx.
3012
3013 2010-01-07 Ian Lance Taylor <iant@google.com>
3014
3015 PR 10980
3016 * options.h (class General_options): Add --warn-unresolved-symbols
3017 and --error-unresolved-symbols.
3018 * errors.cc (Errors::undefined_symbol): Implement
3019 --warn-unresolved-symbols.
3020
3021 * options.h (class General_options): Add -z text and -z textoff.
3022 * layout.cc (Layout::finish_dynamic_section): Implement -z text.
3023
3024 2010-01-06 Sriraman Tallam <tmsriram@google.com>
3025
3026 * gc.h (Garbage_collection::Cident_section_map): New typedef.
3027 (Garbage_collection::cident_sections): New function.
3028 (Garbage_collection::add_cident_section): New function.
3029 (Garbage_collection::cident_sections_): New member.
3030 (gc_process_relocs): Add references to sections whose names are C
3031 identifiers.
3032 * gold.h (cident_section_start_prefix): New constant.
3033 (cident_section_stop_prefix): New constant.
3034 (is_cident): New function.
3035 * layout.cc (Layout::define_section_symbols): Replace string constants
3036 with the newly defined constants.
3037 * object.cc (Sized_relobj::do_layout): Track sections whose names are
3038 C identifiers.
3039 * testsuite/Makefile.am: Add gc_orphan_section_test.
3040 * testsuite/Makefile.in: Regenerate.
3041 * testsuite/gc_orphan_section_test.cc: New file.
3042 * testsuite/gc_orphan_section_test.sh: New file.
3043
3044 2010-01-06 Ian Lance Taylor <iant@google.com>
3045
3046 PR 10980
3047 * options.h (class General_options): Add --warn-shared-textrel.
3048 * layout.cc (Layout::finish_dynamic_section): Implement
3049 --warn-shared-textrel.
3050
3051 PR 10980
3052 * options.h (class General_options): Add --warn-multiple-gp.
3053
3054 2010-01-06 Viktor Kutuzov <vkutuzov@accesssoftek.com>
3055
3056 * Makefile.am (incremental_dump_DEPENDENCIES): Remove
3057 $(THREADSLIB) and $(LIBDL).
3058 * Makefile.in: Rebuild.
3059
3060 2010-01-06 Ian Lance Taylor <iant@google.com>
3061
3062 PR 10980
3063 * options.cc (General_options::parse_section_start): New function.
3064 (General_options::section_start): New function.
3065 (General_options::General_options): Initialize all members.
3066 * options.h: Include <map>
3067 (class General_options): Add --section-start. Add section_starts_
3068 member.
3069 * layout.cc (Layout::attach_allocated_section_to_segment): If
3070 --section-start was used, set the address of the segment. Remove
3071 local sort_sections.
3072 (Layout::relaxation_loop_body): If the address of the load segment
3073 has been set by --section-start, don't use it.
3074 * output.h (Output_segment::update_flags_for_output_section): New
3075 function.
3076 * output.cc (Output_segment::add_output_section): Call
3077 update_flags_for_output_section.
3078
3079 2010-01-05 Ian Lance Taylor <iant@google.com>
3080
3081 PR 10980
3082 * options.h (class General_options): Add --undefined-version.
3083 * script.cc (struct Version_expression): Add was_matched_by_symbol
3084 field.
3085 (Version_script_info::matched_symbol): New function.
3086 (Version_script_info::get_symbol_version_helper): Call
3087 matched_symbol.
3088 (Version_script_info::check_unmatched_names): New function.
3089 * script.h (class Version_script_info): Update declarations.
3090 * gold.cc (queue_middle_tasks): Handle --no-undefined-version.
3091
3092 * options.h (class General_options): Use DEFINE_bool_alias for
3093 allow_multiple_definition.
3094 * resolve.cc (Symbol_table::should_override): Don't test
3095 allow_multiple_definition.
3096
3097 PR 10980
3098 * options.h (class General_options): Add --cref.
3099 * main.cc (main): Print cref table if --cref. Don't close mapfile
3100 until after printing cref table.
3101 * cref.cc: Include "symtab.h".
3102 (class Cref_inputs): Define Cref_table_compare and Cref_table.
3103 (Cref_table_compare::operator()): New function.
3104 (Cref_inputs::gather_cref): New function.
3105 (filecol): New static const.
3106 (Cref_inputs::print_cref): New function.
3107 (Cref::print_cref): New function.
3108 * cref.h: Include <cstdio>.
3109 (class Cref): Update declarations.
3110 * mapfile.h (Mapfile::file): New function.
3111 * object.h (class Object): Define Symbols. Declare virtual
3112 do_get_global_symbols.
3113 (Object::get_global_symbols): New function.
3114 * object.cc (Input_objects::add_object): Pass object to cref_ if
3115 --cref.
3116 (Input_objects::archive_start): Likewise.
3117 (Input_objects::archive_stop): Likewise.
3118 (Input_objects::print_cref): New function.
3119 * dynobj.h (Sized_dynobj::do_get_global_symbols): New function.
3120 * dynobj.cc (big_endian>::do_add_symbols): Create symbols_ if
3121 --cref.
3122 * plugin.cc (Sized_pluginobj::do_get_global_symbols): New
3123 function.
3124 * plugin.h (class Sized_pluginobj): Update declarations.
3125
3126 2010-01-05 Ian Lance Taylor <iant@google.com>
3127
3128 * symtab.cc (Symbol_table::add_from_object): Rename def parameter
3129 to is_default_version. Rename insdef to insdefault.
3130 (Symbol_table::add_from_relobj): Rename def to is_default_version
3131 and local to is_forced_local.
3132 (Symbol_table::add_from_pluginobj): Likewise.
3133 (Symbol_table::add_from_dynobj): Likewise.
3134 (Symbol_table::define_special_symbol): Rename insdef to
3135 insdefault.
3136
3137 2010-01-04 Ian Lance Taylor <iant@google.com>
3138
3139 PR 10980
3140 * options.h (class General_options): Add
3141 --allow-multiple-definition and -z muldefs.
3142 * resolve.cc (Symbol_table::should_override): Don't warn about a
3143 multiple symbol definition if --allow-multiple-definition or -z
3144 muldefs.
3145
3146 PR 10980
3147 * options.h (class General_options): Add --add-needed and
3148 --copy-dt-needed-entries. Tweak --as-needed help entry.
3149 * object.cc (Input_objects::check_dynamic_dependencies): Give an
3150 error if --copy-dt-needed-entries aka --add-needed is used and
3151 would cause a change in behaviour.
3152
3153 PR 10980
3154 * options.h (class General_options): Add -G as a short version of
3155 --shared. Add no-op options -assert, -g, and -i.
3156
3157 2010-01-04 Sriraman Tallam <tmsriram@google.com>
3158
3159 * gc.h (gc_process_relocs): Call is_section_foldable_candidate to
3160 check for .text or .gnu.linkonce.t sections.
3161 * icf.cc (Icf::find_identical_sections): Ditto.
3162 Change the detection for mangled function name within the section
3163 name.
3164 * icf.h (is_section_foldable_candidate): New function.
3165
3166 2009-12-30 Ian Lance Taylor <iant@google.com>
3167
3168 PR 10980
3169 * options.h (class General_options): Permit two dashes with
3170 --retain-symbols-file.
3171
3172 2009-12-30 Ian Lance Taylor <iant@google.com>
3173
3174 PR 10979
3175 * layout.cc (Layout::relaxation_loop_body): If -Ttext was used,
3176 don't put the file header and segment headers in the text
3177 segment.
3178
3179 PR 10979
3180 * common.cc (Sort_commons::operator()): Stabilize sort when both
3181 entries are NULL.
3182 (Symbol_table::do_allocate_commons_list): When allocating common
3183 symbols, skip a symbol which is no longer common.
3184 * symtab.h (Symbol::is_common): Test whether the symbol comes from
3185 an object before checking its type.
3186 * testsuite/common_test_2.c: New file.
3187 * testsuite/common_test_3.c: New file.
3188 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_2.
3189 (common_test_2_SOURCES, common_test_2_DEPENDENCIES): Define.
3190 (common_test_2_LDFLAGS, common_test_2_LDADD): Define.
3191 (common_test_2_pic.o, common_test_2.so): New targets.
3192 (common_test_3_pic.o, common_test_3.so): New targets.
3193 * testsuite/Makefile.in: Rebuild.
3194
3195 PR 10979
3196 * script.cc (read_input_script): If we see a new SECTIONS clause,
3197 and we have added an input section, give an error.
3198 * layout.h (class Layout): Add have_added_input_section function.
3199 Add have_added_input_section_ field.
3200 * layout.cc (Layout::Layout): Initialize
3201 have_added_input_section_.
3202 (Layout::layout): Set have_added_input_section_.
3203 (Layout::layout_eh_frame): Likewise.
3204
3205 2009-12-30 Ian Lance Taylor <iant@google.com>
3206
3207 PR 10931
3208 * options.h (class General_options): Add --sort-common option.
3209 * symtab.h (class Symbol_table): Define Sort_commons_order enum.
3210 * common.cc (Sort_common): Add sort_order parameter to
3211 constructor. Add sort_order_ field.
3212 (Sort_commons::operator): Check sort_order_.
3213 (Symbol_table::allocate_commons): Determine the sort order.
3214 (Symbol_table::do_allocate_commons): Add sort_order parameter.
3215 Change all callers.
3216 (Symbol_table::do_allocate_commons_list): Likewise.
3217
3218 2009-12-30 Ian Lance Taylor <iant@google.com>
3219
3220 PR 10916
3221 * symtab.cc (Symbol_table::add_from_relobj): When not exporting
3222 symbols from this object, don't change the visibility of an
3223 undefined symbol.
3224 * testsuite/exclude_libs_test_1.c (lib1_ref): New function.
3225
3226 2009-12-30 Ian Lance Taylor <iant@google.com>
3227
3228 PR 10861
3229 * script.h (class Version_script_info): Define Language enum.
3230 Update declarations. Define Glob, Exact, and Lookup types. Add
3231 new fields globals_, locals_, and is_finalized_.
3232 * script.cc: Various formatting fixes.
3233 (class Parser_closure): Change language_stack_ from a vector of
3234 std::string to one of Version_script_info::Language. Adjust all
3235 uses accordingly.
3236 (class Lazy_demangler): Remove.
3237 (struct Version_expression): Change language from std::string to
3238 Version_script_info::Language.
3239 (Version_script_info::Version_script_info): New function.
3240 (Version_script_info::~Version_script_info): Don't call clear.
3241 (Version_script_info::finalize): New function.
3242 (Version_script_info::build_lookup_tables): New function.
3243 (Version_script_info::build_expression_list_lookup): New
3244 function.
3245 (Version_script_info::get_symbol_version_helper): Rewrite to use
3246 lookup tables.
3247 (Version_script_info::print_expression_list): Adjust to use
3248 Version_script_info::Language.
3249 (script_push_lex_into_version_mode): Check that the version script
3250 has not been finalized.
3251 (version_script_push_lang): Change language string to
3252 Version_script_info::Language.
3253 * options.cc (Command_line::version_script): New function.
3254 * options.h (class General_options): Add finalize_dynamic_list
3255 function. Change version_script from declaration to definition.
3256 * testsuite/ver_test_4.script: Remove duplicate def of t2_2.
3257 * testsuite/version_script.map: Remove duplicate def of foo.
3258 * testsuite/Makefile.am (ver_matching_def.so): Depend upon
3259 version_script.map.
3260 * testsuite/Makefile.in: Rebuild.
3261
3262 2009-12-30 Ian Lance Taylor <iant@google.com>
3263
3264 PR 10843
3265 * target-reloc.h (relocate_for_relocatable): When copying a reloc,
3266 if the input symbol index is 0, make the output symbol index 0.
3267
3268 2009-12-30 Ian Lance Taylor <iant@google.com>
3269
3270 PR 10670
3271 * options.h (class General_options): Add -x/--discard-all.
3272 * object.cc (Sized_relobj::do_count_local_symbols): Handle
3273 --discard-all. If the local symbol needs a dynamic entry, check
3274 that before handling --discard-locals.
3275
3276 2009-12-30 Ian Lance Taylor <iant@google.com>
3277
3278 PR 10450
3279 * output.cc (Output_segment::Output_segment): If PT_TLS, set the
3280 flags to PF_R.
3281 (Output_segment::add_output_section): Don't change the flags if
3282 the type is PT_TLS.
3283
3284 PR 10450
3285 * dynobj.cc (Dynobj::create_gnu_hash_table): Add symbols to the
3286 GNU hash table if they need a dynamic value. Otherwise, don't add
3287 them if they are defined in a dynamic object or are forced local.
3288
3289 2009-12-29 Ian Lance Taylor <iant@google.com>
3290
3291 PR 10450
3292 * layout.cc (Layout::create_dynamic_symtab): Only set entsize of
3293 .gnu.hash table for a 32-bit target.
3294
3295 PR 10450
3296 * symtab.h (Symbol::needs_dynsym_entry): A symbol in both a
3297 regular and a dynamic object only needs a dynamic symbol table
3298 entry if it is externally visible.
3299
3300 PR 10450
3301 * i386.cc (class Target_i386): Initialize global_offset_table_ in
3302 constructor. Add global_offset_table_ field.
3303 (Target_i386::got_section): Set global_offset_table_.
3304 (Target_i386::do_finalize_sections): Set global_offset_table_
3305 size.
3306 * x86_64.cc (class Target_x86_64): Initialize global_offset_table_
3307 in constructor. Add global_offset_table_ field.
3308 (Target_x86_64::got_section): Set global_offset_table_.
3309 (Target_x86_64::do_finalize_sections): Set global_offset_table_
3310 size.
3311
3312 * layout.cc (Layout::Layout): Initialize increase_relro_.
3313 (Layout::get_output_section): Add is_relro, is_last_relro, and
3314 is_first_non_relro parameters. Change all callers.
3315 (Layout::choose_output_section): Likewise.
3316 (Layout::add_output_section_data): Likewise.
3317 (Layout::make_output_section): Likewise.
3318 (Layout::set_segment_offsets): Clear increase_relro when using a
3319 linker script.
3320 * layout.h (class Layout): Add increase_relro method. Add
3321 increase_relro_ field. Update declarations.
3322 * output.cc (Output_section::Output_section): Initialize
3323 is_last_relro_ and is_first_non_relro_.
3324 (Output_segment::add_output_section): Group relro sections is
3325 do_sort is true. Handle is_last_relro and is_first_non_relro.
3326 (Output_segment::maximum_alignment): Remove relro handling.
3327 (Output_segment::set_section_addresses): Add increase_relro
3328 parameter. Change all callers. Add initial alignment to align
3329 relro sections on separate page. Remove old relro handling.
3330 (Output_segment::set_section_list_addresses): Remove in_relro
3331 parameter. Change all callers.
3332 (Output_segment::set_offset): Add increase parameter. Change all
3333 callers. Remove old relro handling.
3334 * output.h (class Output_section): Add new methods: is_last_relro,
3335 set_is_last_relro, is_first_non_relro, set_is_first_non_relro.
3336 Add is_last_relro_ and is_first_non_relro_ fields.
3337 * i386.cc (Target_i386::got_section): Don't call set_is_relro.
3338 Create separate .got.plt section. Call increase_relro.
3339 * x86_64.cc (Target_x86_64::got_section): Likewise.
3340 * testsuite/relro_script_test.t: Add .got.plt.
3341
3342 PR 10450
3343 * layout.cc (Layout::Layout): Initialize dynamic_symbol_ field.
3344 (Layout::create_initial_dynamic_sections): Set dynamic_symbol_.
3345 (Layout::finalize): Call set_dynamic_symbol_size.
3346 (Layout::set_dynamic_symbol_size): New function.
3347 * layout.h (class Layout): Add dynamic_symbol_ field. Declare
3348 set_dynamic_symbol_size.
3349
3350 PR 10450
3351 * output.h (class Output_section): Add is_entsize_zero_ field.
3352 * output.cc (Output_section::Output_section): Initialize
3353 is_entsize_zero_.
3354 (Output_section::set_entsize): If two different entsizes are
3355 requested, force it to zero.
3356 (Output_section::add_input_section): Set flags for .debug_str
3357 before updating section flags. Set entsize.
3358 (Output_section::update_flags_for_input_section): Set SHF_MERGE
3359 and SHF_STRING if all input sections have those flags.
3360
3361 2009-12-29 Rafael Espindola <espindola@google.com>
3362
3363 * main.cc (main): Fix the sys time reporting.
3364 * workqueue.cc (Workqueue::find_and_run_task): Fix the sys time
3365 reporting.
3366
3367 2009-12-29 Sriraman Tallam <tmsriram@google.com>
3368
3369 * options.cc (General_options::parse_version): Allow -v to exit
3370 without an error if there is nothing to link.
3371
3372 2009-12-29 Ian Lance Taylor <iant@google.com>
3373
3374 * configure.ac: Set the MCMODEL_MEDIUM conditional to false if
3375 using a version of gcc before 4.1.
3376 * configure: Rebuild.
3377
3378 2009-12-28 Chris Demetriou <cgd@google.com>
3379
3380 * attributes.cc (Output_attributes_section_data::do_write): Use
3381 std::vector::front rather than std::vector::data.
3382
3383 2009-12-28 Ian Lance Taylor <iant@google.com>
3384
3385 * symtab.h (class Symbol_table): Add enum Defined.
3386 * resolve.cc (Symbol_table::should_override): Add defined
3387 parameter. Change all callers. Test whether object is NULL
3388 before calling a method on it.
3389 (Symbol_table::report_resolve_problem): Add defined parameter.
3390 Change all callers.
3391 (Symbol_table::should_override_with_special): Likewise.
3392 * symtab.cc (Symbol_table::define_in_output_data): Add defined
3393 parameter. Change all callers.
3394 (Symbol_table::do_define_in_output_data): Likewise.
3395 (Symbol_table::define_in_output_segment): Likewise.
3396 (Symbol_table::do_define_in_output_segment): Likewise.
3397 (Symbol_table::define_as_constant): Likewise.
3398 (Symbol_table::do_define_as_constant): Likewise.
3399 * script.h (class Symbol_assignment): Add is_defsym parameter to
3400 constructor; change all callers.
3401 * script.cc (Script_options::add_symbol_assignment): Add is_defsym
3402 parameter. Change all callers. Add is_defsym_ field.
3403 (class Parser_closure): Add parsing_defsym parameter to
3404 constructor; change all callers. Add parsing_defsym accessor
3405 function. Add parsing_defsym_ field.
3406
3407 2009-12-28 Ian Lance Taylor <iant@google.com>
3408
3409 * gold.cc (queue_middle_tasks): Fix formatting.
3410 * object.cc (Relobj::is_section_name_included): Likewise.
3411
3412 2009-12-23 Ian Lance Taylor <iant@google.com>
3413
3414 * i386.cc (Target_i386::do_calls_non_split): Recognize
3415 -fsplit-stack prologue for a function with a static chain.
3416 * x86_64.cc (Target_x86_64::do_calls_non_split): Recognize
3417 -fsplit-stack prologue when using %r11.
3418
3419 2009-12-21 Sriraman Tallam <tmsriram@google.com>
3420
3421 * options.cc (General_options::parse_version): Make -v continue and do
3422 the link like GNU ld does.
3423
3424 2009-12-17 Rafael Avila de Espindola <espindola@google.com>
3425
3426 * Makefile.am (CCFILES): Add timer.cc.
3427 (HFILES): Add timer.h.
3428 * configure.ac: Check for sysconf and times.
3429 * main.cc: include timer.h.
3430 (main): Use Timer instead of get_run_time.
3431 * timer.cc: New.
3432 * timer.h: New.
3433 * workqueue.cc: include timer.h.
3434 (Workqueue::find_and_run_task):
3435 Report user, sys and wall time.
3436 * Makefile.in: Regenerate.
3437 * config.in: Regenerate.
3438 * configure: Regenerate.
3439
3440 2009-12-16 Doug Kwan <dougkwan@google.com>
3441
3442 * arm.cc (Arm_relobj::scan_sections_for_stubs): Exclude ICF-eliminated
3443 sections.
3444 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle
3445 relaxed input sections.
3446 * output.cc (Output_section::find_relaxed_input_section): Change
3447 return type to Output_relaxed_input_section pointer. Adjust code
3448 for new type of relaxed_input_section_map_.
3449 * output.h (Output_section::find_relaxed_input_section): Change
3450 return type to Output_relaxed_input_section pointer.
3451 (Output_section::Output_relaxed_input_section_by_input_section_map):
3452 New type.
3453 (Output_section::relaxed_input_section_map_): Change type to
3454 Output_section::Output_relaxed_input_section_by_input_section_map.
3455 * symtab.cc (Symbol_table::compute_final_value): Handle relaxed
3456 input section.
3457
3458 2009-12-15 Ian Lance Taylor <iant@google.com>
3459
3460 * layout.cc (Layout::create_shstrtab): Only write out after input
3461 sections if we are compressing debug sections.
3462
3463 2009-12-15 Ian Lance Taylor <iant@google.com>
3464
3465 * archive.cc (Archive::add_symbols): Only look up a symbol without
3466 a version if there is, in fact, a version.
3467
3468 2009-12-14 Ian Lance Taylor <iant@google.com>
3469
3470 Revert -Wshadow changes, all changes from:
3471 2009-12-11 Doug Kwan <dougkwan@google.com>
3472 2009-12-11 Nick Clifton <nickc@redhat.com>
3473 * configure.ac: Remove -Wshadow when setting WARN_CXXFLAGS.
3474
3475 2009-12-11 Doug Kwan <dougkwan@google.com>
3476
3477 * arm.cc (Target_arm::do_finalize_sections): Fix build breakage
3478 due to -Wshadow.
3479 * attributes.cc (Object_attribute::size): Ditto.
3480 (Attributes_section_data::size): Ditto.
3481 (Attributes_section_data::Attributes_section_data): Ditto.
3482 (Output_attributes_section_data::do_write): Ditto.
3483 * attributes.h (Object_attribute::set_type): Ditto.
3484 * testsuite/tls_test_main.cc (safe_lock, safe_unlock): Ditto.
3485
3486 2009-12-11 Nick Clifton <nickc@redhat.com>
3487
3488 * archive.cc: Fix shadowed variable warnings.
3489 * arm.cc: Likewise.
3490 * compressed_output.cc: Likewise.
3491 * compressed_output.h: Likewise.
3492 * configure: Likewise.
3493 * dwarf_reader.cc: Likewise.
3494 * dynobj.cc: Likewise.
3495 * dynobj.h: Likewise.
3496 * ehframe.cc: Likewise.
3497 * ehframe.h: Likewise.
3498 * errors.cc: Likewise.
3499 * expression.cc: Likewise.
3500 * fileread.cc: Likewise.
3501 * fileread.h: Likewise.
3502 * freebsd.h: Likewise.
3503 * i386.cc: Likewise.
3504 * icf.cc: Likewise.
3505 * incremental.h: Likewise.
3506 * layout.cc: Likewise.
3507 * layout.h: Likewise.
3508 * mapfile.cc: Likewise.
3509 * merge.cc: Likewise.
3510 * merge.h: Likewise.
3511 * object.cc: Likewise.
3512 * object.h: Likewise.
3513 * options.h: Likewise.
3514 * output.cc: Likewise.
3515 * output.h: Likewise.
3516 * parameters.cc: Likewise.
3517 * plugin.cc: Likewise.
3518 * powerpc.cc: Likewise.
3519 * reduced_debug_output.cc: Likewise.
3520 * reduced_debug_output.h: Likewise.
3521 * reloc.cc: Likewise.
3522 * reloc.h: Likewise.
3523 * resolve.cc: Likewise.
3524 * script-sections.cc: Likewise.
3525 * script.cc: Likewise.
3526 * script.h: Likewise.
3527 * sparc.cc: Likewise.
3528 * symtab.cc: Likewise.
3529 * symtab.h: Likewise.
3530 * target-select.cc: Likewise.
3531 * target-select.h: Likewise.
3532 * token.h: Likewise.
3533 * workqueue.cc: Likewise.
3534 * workqueue.h: Likewise.
3535 * x86_64.cc: Likewise.
3536
3537 2009-12-10 Doug Kwan <dougkwan@google.com>
3538
3539 * arm.cc (attributes.h): New include.
3540 (Arm_relobj::Arm_relobj): Initialize attributes_section_data_.
3541 (Arm_relobj::~Arm_relobj): Delete object pointed by
3542 attributes_section_data_.
3543 (Arm_relobj::attributes_section_data): New method definition.
3544 (Arm_relobj::attributes_section_data_): New data member declaration.
3545 (Arm_dynobj::Arm_dynobj): Initialize attributes_section_data_.
3546 (Arm_dynobj::~Arm_dynobj): Delete object pointed by
3547 attributes_section_data_.
3548 (Arm_dynobj::attributes_section_data): New method definition.
3549 (Arm_dynobj::attributes_section_data_): New data member declaration.
3550 (Target_arm::Target_arm): Initialize attributes_section_data_. Change
3551 initialization value of may_use_blx_ to false.
3552 (Target_arm::using_thumb2, Target_arm::using_thumb_only,
3553 Target_arm::may_use_arm_nop, Target_arm::may_use_thumb2_nop): Use
3554 object attributes to compute results instead of hard-coding.
3555 (Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order,
3556 Target_arm::get_secondary_compatible_arch,
3557 Target_arm::set_secondary_compatible_arch
3558 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3559 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes):
3560 New method declarations.
3561 (Target_arm::get_aeabi_object_attribute): New method definition.
3562 (Target_arm::attributes_section_data_): New data member declaration.
3563 (read_arm_attributes_section): New template definition.
3564 (Arm_relobj::do_read_symbols): Read attributes section if it exists.
3565 (Arm_dynobj::do_read_symbols): Ditto.
3566 (Target_arm::do_finalize_sections): Merge attributes sections from
3567 input. Check for BLX use after attributes section merging.
3568 Fix __exidx_start and __exidx_end visibility. Create an
3569 .ARM.attributes section if necessary.
3570 (Target_arm::get_secondary_compatible_arch,
3571 Target_arm::set_secondary_compatible_arch,
3572 Target_arm::tag_cpu_arch_combine, Target_arm::aeabi_enum_name,
3573 Target_arm::tag_cpu_name_value, Target_arm::merge_object_attributes,
3574 Target_arm::do_attribute_arg_type, Target_arm::do_attributes_order):
3575 New method definitions.
3576
3577 2009-12-09 Ian Lance Taylor <iant@google.com>
3578
3579 * plugin.cc (Plugin::load): Don't cast from void* to a function
3580 pointer.
3581
3582 2009-12-09 Ian Lance Taylor <iant@google.com>
3583
3584 * dynobj.cc (Sized_dynobj::do_read_symbols): Clear version
3585 information fields.
3586
3587 2009-12-09 H.J. Lu <hongjiu.lu@intel.com>
3588
3589 * testsuite/Makefile.am (two_file_shared_1_pic_2_test_DEPENDENCIES):
3590 Replace two_file_shared_1.so with two_file_shared_2.so.
3591 * testsuite/Makefile.in: Regenerated.
3592
3593 2009-12-08 Doug Kwan <dougkwan@google.com>
3594
3595 * Makefile.am (CCFILES): Add attributes.cc and int_encoding.cc.
3596 (HFILES): Add attributes.h and int_encoding.h.
3597 * Makefile.in: Regenerate.
3598 * dwarf_reader.cc (read_unsigned_LEB_128, read_signed_LEB_128): Move
3599 function definitions to int_encoding.cc
3600 * dwarf_reader.h (read_unsigned_LEB_128, read_signed_LEB_128): Move
3601 prototypes to int_encoding.h
3602 * reduced_debug_output.cc (int_encoding.h): New include.
3603 (write_unsigned_LEB_128, get_length_as_unsigned_LEB_128): Move
3604 function definitions to int_encoding.cc
3605 (insert_into_vector, read_from_pointer): Move template definitions to
3606 int_encoding.h
3607 * attributes.cc: New file.
3608 * attributes.h: New file.
3609 * int_encoding.cc: New file.
3610 * int_encoding.h: New file.
3611
3612 2009-12-07 Rafael Avila de Espindola <espindola@google.com>
3613
3614 PR gold/11055
3615 * incremental-dump.cc (dump_incremental_inputs): New.
3616 (main): Use dump_incremental_inputs.
3617
3618 2009-12-07 H.J. Lu <hongjiu.lu@intel.com>
3619
3620 PR gold/10893
3621 * i386.cc (Target_i386::Scan::globa): Use is_func instead of
3622 checking elfcpp::STT_FUNC.
3623 (Target_i386::Relocate::relocate): Likewise.
3624 * x86_64.cc (Target_x86_64::Scan::global): Likewise.
3625
3626 * symtab.cc (Symbol_table::sized_write_symbol): Turn IFUNC
3627 symbols from shared libraries into normal FUNC symbols.
3628
3629 * symtab.h (Symbol): Add is_func and use it.
3630
3631 2009-12-05 Doug Kwan <dougkwan@google.com>
3632
3633 * arm.cc (Target_arm::arm_info): Initialize new fields
3634 attributes_section and attributes_vendor.
3635 * i386.cc (Target_i386::i386_info): Same.
3636 * object.cc (Sized_relobj::do_layout): Skip attribute section.
3637 * gold/powerpc.cc (Target_powerpc::powerpc_info): Initialize new
3638 fields attributes_section and attributes_vendor.
3639 * sparc.cc (Target_sparc::sparc_info): Same.
3640 * target.h (Target::attributes_section, Target::attributes_vendor,
3641 Target::is_attributes_section, Target::attribute_arg_type,
3642 Target::attributes_order): New method definitions.
3643 (Target::Target_info::attributes_section,
3644 Target::Target_info::attributes_vendor): New fields.
3645 (Target::do_attribute_arg_type, Target::do_attributes_order): New
3646 virtual method definitions.
3647 * x86_64.cc (Target_x86_64::x86_64_info): Initialize new fields
3648 attributes_section and attributes_vendor.
3649 * testsuite/testfile.cc (Target_test::test_target_info): Same.
3650
3651 2009-12-05 Doug Kwan <dougkwan@google.com>
3652
3653 * arm.cc: Update comments about interworking and stub generation.
3654 (Target_arm::Relocate::reloc_is_non_pic): Update list of relocations
3655 considered as non-PIC.
3656 (Arm_relocate_functions::base_abs): Fix formatting.
3657 (Arm_relocate_functions::got_prel): Fix comment. Change interface
3658 of function to use GOT entry address instead of offset.
3659 (Target_arm::Scan::global): Issue an error if a symbol would need a
3660 PLT does not get one because it is untyped. Remove code to create
3661 dynamic symbols for relative branches.
3662 (Target_arm::Relocate::relocate: Use 0 instead of false since function
3663 takes unsigned integer instead of boolean.
3664
3665 2009-12-05 H.J. Lu <hongjiu.lu@intel.com>
3666
3667 * testsuite/Makefile.am (constructor_test_LDADD): New. Empty.
3668 (two_file_test_LDADD): Likewise.
3669 (common_test_1_LDADD): Likewise.
3670 (exception_test_LDADD) Likewise.
3671 (weak_test_LDADD): Likewise.
3672 (many_sections_test_LDADD): Likewise.
3673 (initpri1_LDADD): Likewise.
3674 (script_test_1_LDADD): Likewise.
3675 (script_test_2_LDADD): Likewise.
3676 (justsyms_LDADD): Likewise.
3677 (binary_test_LDADD): Likewise.
3678 (large_LDADD): Likewise.
3679 * testsuite/Makefile.in: Regenerated.
3680
3681 2009-12-04 H.J. Lu <hongjiu.lu@intel.com>
3682
3683 * resolve.cc (symbol_to_bits): Treat STB_GNU_UNIQUE as STB_GLOBAL.
3684 (Symbol_table::override_with_special): Likewise.
3685 (Symbol_table::add_from_object): Likewise.
3686
3687 2009-12-04 Rafael Avila de Espindola <espindola@google.com>
3688
3689 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3690 Don't set the data_offset twice.
3691
3692 2009-12-04 Rafael Avila de Espindola <espindola@google.com>
3693
3694 * testsuite/Makefile.in: Regenerate.
3695
3696 2009-12-03 Doug Kwan <dougkwan@google.com>
3697
3698 * arm.cc: Remove comment about missing .ARM.exidx section symbols.
3699 (Target_arm::do_finalize_sections): Add parameter for symbol table
3700 pointer. Add __exidx_start and __exidx_end symbols as appropriate.
3701 * i386.cc (Target_i386::do_finalize_sections): Add an additional
3702 parameter for symbol table pointer.
3703 * layout.cc (Layout::finalize): Call Target::finalize_sections with
3704 an additional parameter for a pointer to symbol table.
3705 * powerpc.cc (Target_powerpc::do_finalize_sections): Add an additional
3706 parameter for a symbol table pointer.
3707 * sparc.cc (Target_sparc::do_finalize_sections): Ditto.
3708 * target.h (Target::finalize_sections, Target::do_finalize_sections):
3709 Ditto.
3710 * x86_64.cc (Target_x86_64::do_finalize_sections): Add an additional
3711 parameter for a symbol table pointer.
3712
3713 2009-12-03 Rafael Avila de Espindola <espindola@google.com>
3714
3715 * incremental.cc (Incremental_inputs_header)
3716 (Incremental_inputs_header_write, Incremental_inputs_entry)
3717 (Incremental_inputs_entry_write): Move ...
3718 * incremental.h (Incremental_inputs_header)
3719 (Incremental_inputs_header_write, Incremental_inputs_entry)
3720 (Incremental_inputs_entry_write): here.
3721
3722 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
3723
3724 * incremental.cc (make_sized_incremental_binary): Set the target.
3725 Error if it is incompatible.
3726 * output.h (Output_file): Add filename method.
3727
3728 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
3729
3730 * incremental.cc (Incremental_inputs_entry): Remove unused argument
3731 from the get_* methods.
3732
3733 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
3734
3735 * incremental-dump.cc (main): Check that the offeset of a script is 0.
3736 * incremental.cc (Incremental_inputs::sized_create_inputs_section_data):
3737 Write 0 for the data_offset of scripts.
3738
3739 2009-12-02 Rafael Avila de Espindola <espindola@google.com>
3740
3741 * testsuite/Makefile.am: Add the incremental_test.sh test.
3742 * testsuite/incremental_test.sh: New.
3743 * testsuite/incremental_test_1.c: New.
3744 * testsuite/incremental_test_2.c: New.
3745
3746 2009-12-01 Rafael Avila de Espindola <espindola@google.com>
3747
3748 * incremental-dump.cc (main): Fix typos.
3749
3750 2009-11-27 Rafael Avila de Espindola <espindola@google.com>
3751
3752 PR gold/11025
3753 * incremental-dump.cc (main): Use llu to print 64 bit values.
3754
3755 2009-11-26 Per Øyvind Karlsen <peroyvind@mandriva.org>
3756 H.J. Lu <hongjiu.lu@intel.com>
3757
3758 * Makefile.am (incremental_dump_DEPENDENCIES): Add $(THREADSLIB)
3759 $(LIBDL).
3760 (incremental_dump_LDADD): Likewise.
3761 * Makefile.in: Regenerated.
3762
3763 2009-11-25 Doug Kwan <dougkwan@google.com>
3764
3765 Revert:
3766
3767 2009-11-25 Doug Kwan <dougkwan@google.com>
3768
3769 * arm.cc (Target_arm::Target_arm): Move method definition
3770 outside of class definition. Add code to handle
3771 --target1-rel, --target1-abs and --target2= options.
3772 (Target_arm::get_reloc_reloc_type): Change method to be
3773 non-static and const.
3774 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_):
3775 New data member declaration.
3776 (Target_arm::Scan::local, Target_arm::Scan::global,
3777 Target_arm::Relocate::relocate,
3778 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
3779 Adjust call to Target_arm::get_real_reloc_type.
3780 (Target_arm::get_real_reloc_type): Use command line options
3781 to determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
3782 * options.h (--target1-rel, --target1-abs, --target2): New
3783 ARM-only options.
3784
3785 2009-11-25 Doug Kwan <dougkwan@google.com>
3786
3787 * arm.cc (Target_arm::Target_arm): Move method definition outside of
3788 class definition. Add code to handle --target1-rel, --target1-abs
3789 and --target2= options.
3790 (Target_arm::get_reloc_reloc_type): Change method to be non-static
3791 and const.
3792 (Target_arm::target1_is_rel_, Target_arm::target2_reloc_): New data
3793 member declaration.
3794 (Target_arm::Scan::local, Target_arm::Scan::global,
3795 Target_arm::Relocate::relocate,
3796 Target_arm::Relocatable_size_for_reloc::get_size_for_reloc): Adjust
3797 call to Target_arm::get_real_reloc_type.
3798 (Target_arm::get_real_reloc_type): Use command line options to
3799 determine real types of R_ARM_TARGET1 and R_ARM_TARGET2.
3800 * options.h (--target1-rel, --target1-abs, --target2): New ARM-only
3801 options.
3802
3803 2009-11-25 Doug Kwan <dougkwan@google.com>
3804
3805 * arm.cc (Target_arm::may_use_thumb2_nop): New method definition.
3806 (Arm_relocate_functions::thumb_branch_common): New metod declaration.
3807 (Arm_relocate_functions::abs12, Arm_relocate_functions::abs16): Fix
3808 formatting.
3809 (Arm_relocate_functions::thm_call): Replace body with a call to
3810 Arm_relocate_functions::thumb_branch_common.
3811 (Arm_relocate_functions::thm_jump24,
3812 Arm_relocate_functions::thm_xpc22): New method definitions.
3813 (Arm_relocate_functions::thumb_branch_common): New method definition.
3814 (Reloc_stub::stbu_type_for_reloc): Fix incorrect uses of bit-wise-or
3815 operator.
3816 (Target_arm::Relocate::relocate): Adjust call to thm_call.
3817 Add code to handle R_ARM_THM_XPC22 and R_ARM_THM_JUMP24.
3818
3819 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
3820
3821 * Makefile.am: Build incremental-dump
3822 * Makefile.in: Regenerate.
3823 * incremental-dump.cc: New.
3824 * incremental.cc (Incremental_inputs_header_data,
3825 Incremental_inputs_entry_data): Move to incremental.h
3826 * incremental.h: (Incremental_inputs_header_data,
3827 Incremental_inputs_entry_data): Move from incremental.cc
3828
3829 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
3830
3831 * incremental.cc (Incremental_inputs_header,
3832 Incremental_inputs_header_write, Incremental_inputs_entry,
3833 Incremental_inputs_entry_write): Add a typedef with the data type.
3834
3835 2009-11-24 Rafael Avila de Espindola <espindola@google.com>
3836
3837 * incremental.cc (Incremental_inputs_header,
3838 Incremental_inputs_header_write, Incremental_inputs_entry,
3839 Incremental_inputs_entry_write): Update comment about which
3840 type has the filed descriptions.
3841
3842 2009-11-15 Doug Kwan <dougkwan@google.com>
3843
3844 * arm.cc (Target_arm::may_use_arm_nop): New method definition.
3845 (Arm_relocate_functions::arm_branch_common): Change method defintion
3846 in class definition to a method declaration and update list of formal
3847 parameters.
3848 (Arm_relocate_functions::plt32, Arm_relocate_functions::call,
3849 Arm_relocation_functions::jump24): Adjust call to
3850 Arm_relocate_functions::arm_branch_common. Update list of formal
3851 parameters.
3852 (Arm_relocate_functions::xpc25): New method definition.
3853 (Arm_relocate_functions::arm_branch_common): Move method defintion
3854 out from class definition. Use stubs for mode-switching and extending
3855 branch ranges.
3856 (Target_arm::Relocate::relocate): Handle weakly-undefined symbols
3857 specially. Change code to enable use of stubs in ARM branches.
3858
3859 2009-11-10 Doug Kwan <dougkwan@google.com>
3860
3861 * arm.cc (Arm_relobj::do_relocate_sections): Remove options parameter
3862 in method declaration.
3863 (Target_arm::relocate_stub): New method declaration.
3864 (Target_arm::default_target): Change to return a pointer instead of
3865 a const reference.
3866 (Reloc_stub::stub_type_for_reloc): Adjust for the change in
3867 Target_arm::default_target.
3868 (Arm_Relobj::do_relocate_sections): Remove options paramater in
3869 method definition.
3870 (Target_arm::relocate_section): Adjust view.
3871 (Target_arm::relocate_stub): New method definition.
3872
3873 2009-11-10 Doug Kwan <dougkwan@google.com>
3874
3875 * i386.cc (Target_i386::do_calls_non_split): Add a cast to avoid
3876 a format warning.
3877 * incremental.cc (open_incremental_binary): Initialized local
3878 variables to avoid warnings.
3879 * object.cc (make_elf_object): Ditto.
3880 * x86_64.cc (Target_x86_64::do_calls_non_split): Add a cast to avoid
3881 a format warning.
3882
3883 009-11-09 H.J. Lu <hongjiu.lu@intel.com>
3884
3885 PR gold/10930
3886 * testsuite/plugin_test.c: Include "config.h".
3887
3888 2009-11-09 Doug Kwan <dougkwan@google.com>
3889
3890 * arm.cc (Target_arm::fake_relnum_for_stubs): New constant.
3891 (arm_symbol_value): Remove.
3892 (Arm_relocate_functions::arm_branch_common,
3893 Arm_relocate_functions::abs8, Arm_relocate_functions::thm_abs5,
3894 Arm_relocate_functions::abs12, Arm_relocate_functions::abs16,
3895 Arm_relocate_functions::abs32, Arm_relocate_functions::rel32,
3896 Arm_relocate_functions::thm_call, Arm_relocate_functions::plt32,
3897 Arm_relocate_functions::call, Arm_relocate_functions::jump24,
3898 Arm_relocate_functions::prel31, Arm_relocate_functions::mov_abs_nc,
3899 Arm_relocate_functions::movt_abs, Arm_relocate_functions::movw_abs_nc,
3900 Arm_relocate_functions::thm_mobw_abs_nc,
3901 Arm_relocate_functions::thm_mov_abs,
3902 Arm_relocate_functions::movw_prel_nc,
3903 Arm_relocate_functions::thm_movt_abs,
3904 Arm_relocate_functions::movt_prel,
3905 Arm_relocate_functions::thm_movw_prel_nc,
3906 Arm_relocate_functions::thm_movt_prel): Adjust callers of the above.
3907 (Target_arm::Relocate::relocate): Only decompose address into two
3908 parts if relocation type uses the thumb-bit and pass the actual
3909 bit instead of a flag indicating that the thumb-bit is used. Adjust
3910 calls to methods in Arm_relocate_functions for this change.
3911
3912 2009-11-08 Ian Lance Taylor <iant@google.com>
3913
3914 PR 10925
3915 * reloc.cc: Instantiate
3916 Sized_relobj::initialize_input_to_output_maps and
3917 Sized_relobj:free_input_to_output_maps.
3918
3919 2009-11-06 Ian Lance Taylor <iant@google.com>
3920
3921 PR 10876
3922 * defstd.cc (in_segment): Set only_if_ref true for "end".
3923
3924 2009-11-06 Doug Kwan <dougkwan@google.com>
3925
3926 * arm.cc (class Reloc_stub): Correct a comment.
3927 (Target_arm::Target_arm): Initialize arm_input_section_map_.
3928 (Target_arm::scan_section_for_stubs): New method declaration.
3929 (Target_arm::do_make_elf_object, Target_arm::do_make_output_section):
3930 Change methods from private to protected.
3931 (Target_arm::do_may_relax): New method definition.
3932 (Target_arm::do_relax, Target_arm::group_sections,
3933 Target_arm::scan_reloc_for_stub,
3934 Target_arm::scan_reloc_section_for_stubs): New method declarations.
3935 (Target_arm::arm_input_section_map_): New data member declaration.
3936 (Target_arm::scan_reloc_for_stub,
3937 Target_arm::scan_reloc_section_for_stubs,
3938 Target_arm::scan_section_for_stubs, Target_arm::group_sections,
3939 Target_arm::do_relax): New method definitions.
3940
3941 2009-11-06 Mikolaj Zalewski <mikolaj@google.com>
3942
3943 * configure.ac: Check for (struct stat)::st_mtim
3944 * fileread.cc (File_read::get_mtime): Use st_mtim if available.
3945 * config.in: Regenerate.
3946 * configure: Regenerate.
3947
3948 2009-11-05 Ian Lance Taylor <iant@google.com>
3949
3950 PR 10910
3951 * output.cc (Output_segment::add_output_section): Add missing
3952 return statement.
3953
3954 2009-11-04 Ian Lance Taylor <iant@google.com>
3955
3956 PR 10880
3957 * object.h (class Object): Add is_needed and set_is_needed
3958 methods. Add is_needed_ field. Make bool fields into bitfields.
3959 * symtab.cc (Symbol_table::set_dynsym_indexes): If a symbol is
3960 defined in a dynamic object and referenced by a regular object,
3961 set is_needed for the dynamic object.
3962 * layout.cc (Layout::finish_dynamic_section): Don't add DT_NEEDED
3963 if the file is marked with as_needed and it is not needed.
3964
3965 2009-11-04 Ian Lance Taylor <iant@google.com>
3966
3967 PR 10887
3968 * arm.cc (Target_arm::do_finalize_sections): Don't add dynamic
3969 tags if data is discarded by linker script.
3970 * i386.cc (Target_i386::do_finalize_sections): Likewise.
3971 * powerpc.cc (Target_powerpc::do_finalize_sections): Likewise.
3972 * sparc.cc (Target_sparc::do_finalize_sections): Likewise.
3973 * x86_64.cc (Target_x86_64::do_finalize_sections): Likewise.
3974
3975 2009-11-04 Ian Lance Taylor <iant@google.com>
3976
3977 * layout.cc (Layout::get_output_section): Add is_interp and
3978 is_dynamic_linker_section parameters. Change all callers.
3979 (Layout::choose_output_section): Likewise.
3980 (Layout::make_output_section): Likewise.
3981 (Layout::add_output_section_data): Add is_dynamic_linker_section
3982 parameter. Change all callers.
3983 * layout.h (class Layout): Update declarations.
3984 * output.h (class Output_section): Add is_interp, set_is_interp,
3985 is_dynamic_linker_section, set_is_dynamic_linker_section methods.
3986 Add is_interp_, is_dynamic_linker_section_ fields. Change
3987 generate_code_fills_at_write_ to a bitfield.
3988 * output.cc (Output_section::Output_sections): Initialize new
3989 fields.
3990 (Output_segment::add_output_section): Add do_sort parameter.
3991 Change all callers.
3992
3993 2009-11-03 Ian Lance Taylor <iant@google.com>
3994
3995 PR 10860
3996 * options.h (class General_options): Add --warn-common.
3997 * resolve.cc (Symbol_table::resolve): Handle --warn-common when
3998 merging two common symbols.
3999 (Symbol_table::should_override): Handle --warn-common when merging
4000 a common symbol with a defined symbol. Use report_resolve_problem
4001 for multiple definitions.
4002 (Symbol_table::report_resolve_problem): New function.
4003 * symtab.h (class Symbol_table): Declare report_resolve_problem.
4004
4005 2009-11-03 Doug Kwan <dougkwan@google.com>
4006
4007 * arm.cc (Target_arm::Target_arm): Initialize stub_tables_ and
4008 stub_factory_.
4009 (Target_arm::stub_factory): New method definition.
4010 (Target_arm::new_arm_input_section,
4011 Target_arm::find_arm_input_section, Target_arm::new_stub_table,
4012 Target_arm::reloc_uses_thumb_bit): New method declarations.
4013 (Target_arm::Stub_table_list, Target_arm::Arm_input_section_map):
4014 New type definitions.
4015 (Target_arm::stub_tables_, Target_arm::stub_factory_): New data
4016 member declarations.
4017 (Target_arm::reloc_uses_thumb_bit, Target_arm::new_arm_input_section,
4018 Target_arm::find_arm_input_section, Target_arm::new_stub_table):
4019 New method definitions.
4020
4021 2009-11-03 Ian Lance Taylor <iant@google.com>
4022
4023 * options.h (class General_options): Add --warn_constructors.
4024
4025 2009-11-03 Ian Lance Taylor <iant@google.com>
4026
4027 PR 10893
4028 * defstd.cc (in_section): Add entries for __rel_iplt_start,
4029 __rel_iplt_end, __rela_iplt_start, __rela_iplt_end, and __stack.
4030
4031 2009-11-03 Ian Lance Taylor <iant@google.com>
4032
4033 PR 10895
4034 * po/Make-in ($(srcdir)/$(PACKAGE).pot): Pass -C and
4035 --msgid-bugs-address.
4036 (install-pdf): New target.
4037 (install-data_yes): Look up one directory to find mkinstalldirs.
4038
4039 2009-11-03 H.J. Lu <hongjiu.lu@intel.com>
4040
4041 * po/Make-in (.po.gmo): Don't generate .gmo files in source
4042 tree.
4043
4044 2009-10-30 Doug Kwan <dougkwan@google.com>
4045
4046 * arm.cc (Stub_addend_reader): Fix bug in previouls check-in.
4047
4048 2009-10-30 Doug Kwan <dougkwan@google.com>
4049
4050 * arm.cc (Stub_addend_reader): New struct template definition
4051 and partial specializations.
4052 (Stub_addend_reader::operator()): New method definition for a
4053 partially specialized template.
4054
4055 2009-10-30 Doug Kwan <dougkwan@google.com>
4056
4057 * arm.cc (Arm_relobj::processor_specific_flags): New method
4058 definition.
4059 (Arm_relobj::do_read_symbols): New method declaration.
4060 (Arm_relobj::processor_specific_flags_): New data member declaration.
4061 (Arm_dynobj): New class definition.
4062 (Target_arm::do_finalize_sections): Add input_objects parameter.
4063 (Target_arm::do_adjust_elf_header): New method declaration.
4064 (Target_arm::are_eabi_versions_compatible,
4065 (Target_arm::merge_processor_specific_flags): New method declaration.
4066 (Target_arm::do_make_elf_object): New overloaded method definitions
4067 and declaration.
4068 (Arm_relobj::do_read_symbols): New method definition.
4069 (Arm_dynobj::do_read_symbols): Ditto.
4070 (Target_arm::do_finalize_sections): Add input_objects parameters.
4071 Merge processor-specific flags from all input objects.
4072 (Target_arm::are_eabi_versions_compatible,
4073 Target_arm::merge_processor_specific_flags,
4074 Target_arm::do_adjust_elf_header, Target_arm::do_make_elf_object):
4075 New method definitions.
4076 * i386.cc (Target_i386::do_finalize_sections): Add unnamed
4077 Input_objects pointer type parameter.
4078 * layout.cc (Layout::finalize): Pass input objects to target's.
4079 finalize_sections function.
4080 * output.cc (Output_file_header::do_sized_write): Set ELF file
4081 header's processor-specific flags.
4082 * powerpc.cc (Target_powerpc::do_finalize_sections): Add unnamed
4083 Input_objects pointer type parameter.
4084 * sparc.cc (Target_sparc::do_finalize_sections): Same.
4085 * target.h (Input_objects): New forward class declaration.
4086 (Target::processor_specific_flags,
4087 Target::are_processor_specific_flags_sect): New method definitions.
4088 (Target::finalize_sections): Add input_objects parameter.
4089 (Target::Target): Initialize processor_specific_flags_ and
4090 are_processor_specific_flags_set_.
4091 (Target::do_finalize_sections): Add unnamed Input_objects pointer type
4092 parameter.
4093 (Target::set_processor_specific_flags): New method definition.
4094 (Target::processor_specific_flags_,
4095 Target::are_processor_specific_flags_set_): New data member
4096 declarations.
4097 * x86_64.cc (Target_x86_64::do_finalize_sections): Add unnamed
4098 Input_objects pointer type parameter.
4099
4100 2009-10-30 Doug Kwan <dougkwan@google.com>
4101
4102 * arm.cc: Use Arm_address instead of elfcpp::Elf_types<32>::Elf_Addr.
4103
4104 2009-10-28 Ian Lance Taylor <iant@google.com>
4105
4106 * object.h (class Relobj): Drop options parameter from
4107 gc_process_relocs, scan_relocs, relocate, do_gc_process_relocs,
4108 do_scan_relocs, do_relocate. Change all callers.
4109 (class Sized_relobj): Drop options parameters from
4110 do_gc_process_relocs, do_scan_relocs, do_relocate,
4111 do_relocate_sections, relocate_sections, emit_relocs_scan,
4112 emit_relocs_scan_reltype. Change all callers.
4113 (struct Relocate_info): Remove options field and all references to
4114 it.
4115 * reloc.h (class Read_relocs): Remove options constructor
4116 parameter and options_ field. Change all callers.
4117 (class Gc_process_relocs, class Scan_relocs): Likewise.
4118 (class Relocate_task): Likewise.
4119 * target-reloc.h (scan_relocs): Remove options parameter. Change
4120 all callers.
4121 (scan_relocatable_relocs): Likewise.
4122 * target.h (class Sized_target): Remove options parameter from
4123 gc_process_relocs, scan_relocs, scan_relocatable_relocs. Change
4124 all callers.
4125 * gc.h (gc_process_relocs): Remove options parameter. Change all
4126 callers.
4127 * arm.cc: Update functions to remove options parameters.
4128 * i386.cc: Likewise.
4129 * powerpc.cc: Likewise.
4130 * sparc.cc: Likewise.
4131 * x86_64.cc: Likewise.
4132 * testsuite/testfile.cc: Likewise.
4133
4134 2009-10-28 Doug Kwan <dougkwan@google.com>
4135
4136 * arm.cc (Arm_relobj): New class definition.
4137 (Arm_relobj::scan_sections_for_stubs,
4138 Arm_relobj::do_count_local_symbols, Arm_relobj::do_relocate_sections):
4139 New method definitions.
4140
4141 2009-10-28 Cary Coutant <ccoutant@google.com>
4142
4143 * plugin.h (Plugin::Plugin): Initialize cleanup_done_.
4144 (Plugin::cleanup_done_): New member.
4145 (Plugin_manager::Plugin_manager): Remove cleanup_done_.
4146 (Plugin_manager::cleanup_done_): Remove.
4147 (Plugin_manager::add_input_file): Edit error message.
4148 * plugin.cc (Plugin::cleanup): Test and set cleanup_done_.
4149 (Plugin_manager::cleanup): Remove use of cleanup_done_.
4150
4151 2009-10-27 Mikolaj Zalewski <mikolajz@google.com>
4152
4153 * fileread.cc: (File_read::View::~View): Use the new
4154 data_ownership_ filed.
4155 (File_read::~File_read): Dispose the new whole_file_view_.
4156 (File_read::open): Mmap the whole file if needed.
4157 (File_read::open): Use whole_file_view_ instead of contents_.
4158 (File_read::find_view): Use whole_file_view_ if applicable.
4159 (File_read::do_read): Use whole_file_view_ instead of contents_.
4160 (File_read::make_view): Use whole_file_view_ instead of contents_,
4161 update File_read::View::View call.
4162 (File_read::find_or_make_view): Update File_read::View::View
4163 call.
4164 * fileread.h: (File_read::File_read): Initialize whole_file_view_,
4165 remove contents_
4166 (File_read::View::Data_ownership): New enum.
4167 (File_read::View::View): Replace bool mapped_ with Data_ownership
4168 argument.
4169 (File_read::View::mapped_): Remove (replaced by data_ownership_).
4170 (File_read::View::data_ownership_): New field.
4171 (File_read::contents_): Remove (replaced by whole_file_view_).
4172 (File_read::whole_file_view_): New field.
4173 * options.h (class General_options): Add --keep-files-mapped.
4174
4175 2009-10-27 Cary Coutant <ccoutant@google.com>
4176
4177 * symtab.cc (add_from_pluginobj): Pass correct value for is_ordinary.
4178 * testsuite/Makefile.am (plugin_test_5): New test case.
4179 * testsuite/Makefile.in: Regenerate.
4180
4181 2009-10-25 Doug Kwan <dougkwan@google.com>
4182
4183 * object.h (Sized_relobj::View_size, Sized_relobj::Views): Change
4184 from private to protected to allow access by child class.
4185 (Sized_relobj::do_relocate_sections): New method declaration.
4186 (Sized_relobj::relocate_sections): Virtualize.
4187 * reloc.cc (Sized_relobj::do_relocate_sections): Rename from
4188 Sized_relobj::relocate_sections. Instantiate template explicitly
4189 for different target sizes and endianity.
4190
4191 2009-10-24 Doug Kwan <dougkwan@google.com>
4192
4193 * arm.cc (Arm_output_section, Arm_relobj): Forward class declarations.
4194 (Arm_input_section::as_arm_input_section): New method.
4195 (Arm_output_section): New class definition.
4196 (Arm_output_section::create_stub_group,
4197 Arm_output_section::group_sections): New method definitions.
4198
4199 2009-10-22 Doug Kwan <dougkwan@google.com>
4200
4201 * arm.cc (Arm_input_section): New class definition.
4202 (Arm_input_section::init, Arm_input_section:do_write,
4203 Arm_input_section::set_final_data_size,
4204 Arm_input_section::do_reset_address_and_file_offset): New method
4205 definitions.
4206
4207 2009-10-21 Doug Kwan <dougkwan@google.com>
4208
4209 * arm.cc (Stub_table, Arm_input_section): New forward class
4210 declarations.
4211 (Stub_table): New class defintion.
4212 (Stub_table::add_reloc_stub, Stub_table::relocate_stubs
4213 Stub_table::do_reset_address_and_file_offset, Stub_table::do_write):
4214 New method definition.
4215
4216 2009-10-21 Doug Kwan <dougkwan@google.com>
4217
4218 * arm.cc: Update copyright comments.
4219 (Target_arm): New forward class template declaration.
4220 (Arm_address): New type.
4221 (ARM_MAX_FWD_BRANCH_OFFSET, ARM_MAX_BWD_BRANCH_OFFSET,
4222 THM_MAX_FWD_BRANCH_OFFSET, THM_MAX_BWD_BRANCH_OFFSET,
4223 THM2_MAX_FWD_BRANCH_OFFSET, THM2_MAX_BWD_BRANCH_OFFSET): New
4224 constants.
4225 (Insn_template): Same.
4226 (DEF_STUBS): New macro.
4227 (Stub_type): New enum type.
4228 (Stub_template): New class definition.
4229 (Stub): Same.
4230 (Reloc_stub): Same.
4231 (Stub_factory): Same.
4232 (Target_arm::Target_arm): Initialize may_use_blx_ and
4233 should_force_pic_veneer_.
4234 (Target_arm::may_use_blx, Target_arm::set_may_use_blx,
4235 Target_arm::should_force_pic_veneer,
4236 Target_arm::set_should_force_pic_veneer, Target_arm::using_thumb2,
4237 Target_arm::using_thumb_only, Target_arm:;default_target): New
4238 method defintions.
4239 (Target_arm::may_use_blx_, Target_arm::should_force_pic_veneer_):
4240 New data member declarations.
4241 (Insn_template::size, Insn_template::alignment): New method defintions.
4242 (Stub_template::Stub_template): New method definition.
4243 (Reloc_stub::Key::name, Reloc_stub::stub_type_for_reloc,
4244 Reloc_stub::do_fixed_endian_write, Reloc_stub::do_write): Same.
4245 (Stub_factory::Stub_factory): New method definition.
4246 * gold.h (string_hash): New template.
4247 * output.h (Input_section_specifier::hash_value): Use
4248 gold::string_hash.
4249 (Input_section_specifier::string_hash): Remove.
4250 * stringpool.cc (Stringpool_template::string_hash): Use
4251 gold::string_hash.
4252
4253 2009-10-20 Doug Kwan <dougkwan@google.com>
4254
4255 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle section
4256 symbols of relaxed input sections.
4257 * output.h (Output_section::find_relaxed_input_section): Make
4258 method public.
4259
4260 2009-10-16 Doug Kwan <dougkwan@google.com>
4261
4262 * dynobj.cc (Versions::Versions): Initialize version_script_.
4263 Only insert base version symbol definition for a shared object
4264 if version script defines any version versions.
4265 (Versions::define_base_version): New method definition.
4266 (Versions::add_def): Check that base version is not needed.
4267 (Versions::add_need): Define base version lazily.
4268 * dynobj.h (Versions::define_base_version): New method declaration.
4269 (Versions::needs_base_version_): New data member declaration.
4270 * testsuite/Makefile.am (check_SCRIPTS): Add no_version_test.sh
4271 (check_DATA): Add no_version_test.stdout.
4272 (libno_version_test.so, no_version_test.o no_version_test.stdout):
4273 New make rules.
4274 * testsuite/Makefile.in: Regenerate.
4275 * testsuite/no_version_test.c: New file.
4276 * testsuite/no_version_test.sh: Ditto.
4277
4278 2009-10-16 Doug Kwan <dougkwan@google.com>
4279
4280 * expression.cc (class Segment_start_expression): New class definition.
4281 (Segment_start_expression::value): New method definition.
4282 (script_exp_function_segment_start): Return a new
4283 Segment_start_expression.
4284 * gold/script-c.h (script_saw_segment_start_expression): New function
4285 prototype.
4286 * script-sections.cc (Script_sections::Script_sections): Initialize
4287 SAW_SEGMENT_START_EXPRESSION_ to false.
4288 (Script_sections::set_section_addresses): Use -Ttext, -Tdata
4289 and -Tbbs options to specify section addresses if given in
4290 command line and no SEGMENT_START expression is seen in a script.
4291 * script-sections.h (Script_sections::saw_segment_start_expression,
4292 Script_sections::set_saw_segment_start_expression): New method
4293 definition.
4294 (Script_sections::saw_segment_start_expression_): New data member
4295 declaration.
4296 * script.cc (script_saw_segment_start_expression): New function.
4297 * yyscript.y (SEGMENT_START): Call script_saw_segment_start_expression.
4298 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_6.sh,
4299 script_test_7.sh and script_test_8.sh.
4300 (check_DATA): Add script_test_6.stdout, script_test_7.stdout and
4301 script_test_8.stdout.
4302 (MOSTLYCLEANFILES): Add script_test_6, script_test_7 and script_test_8.
4303 (script_test_6, script_test_6.stdout, script_test_7,
4304 script_test_7.stdout, script_test_8, script_test_8.stdout): New rules.
4305 * Makefile.in: Regenerate.
4306 * testsuite/script_test_6.sh: New file.
4307 * testsuite/script_test_6.t: Same.
4308 * testsuite/script_test_7.sh: Same.
4309 * testsuite/script_test_7.t: Same.
4310 * testsuite/script_test_8.sh: Same.
4311
4312 2009-10-16 Doug Kwan <dougkwan@google.com>
4313
4314 * output.cc (Output_segment::set_section_list_address): Cast
4315 expressions to unsigned long long type to avoid format warnings.
4316
4317 2009-10-15 Ian Lance Taylor <iant@google.com>
4318
4319 * script.cc (Script_options::add_symbol_assignment): Always add a
4320 dot assignment to script_sections_.
4321 * script-sections.cc (Script_sections::add_dot_assignment):
4322 Initialize if necessary.
4323
4324 * layout.cc (Layout::relaxation_loop_body): Don't crash if we see
4325 program headers with no load segment if there is a linker script.
4326
4327 * layout.cc (Layout::set_segment_offsets): Align the file offset
4328 to the segment aligment for -N or -n with no load segment.
4329 * output.cc (Output_segment::add_output_section): Don't crash if
4330 the first section is a TLS section.
4331 (Output_segment::set_section_list_addresses): Print an error
4332 message if the address moves backward in a linker script.
4333 * script-sections.cc
4334 (Output_section_element_input::set_section_addresses): Don't
4335 increase *dot_value for a SHF_TLS/SHT_NOBITS section.
4336 (Orphan_output_section::set_section_addresses): Likewise.
4337
4338 2009-10-15 Doug Kwan <dougkwan@google.com>
4339
4340 * layout.cc (Layout::finish_dynamic_section): Generate tags
4341 DT_FINI_ARRAY, DT_FINI_ARRAYSZ, DT_INIT_ARRAY, DT_INIT_ARRAYSZ,
4342 DT_PREINIT_ARRAY, DT_PREINIT_ARRAYSZ as needed. If -Bsymbolic is
4343 used, add DT_SYMBOLIC and set DF_SYMBOLIC in DT_FLAGS.
4344
4345 2009-10-14 Ian Lance Taylor <iant@google.com>
4346
4347 * object.h (class Relocate_info): Add reloc_shdr and data_shdr
4348 fields.
4349 * object.cc (Sized_relobj::relocate_sections): Set reloc_shdr and
4350 data_shdr fields of relinfo.
4351 * i386.cc (class Target_i386::Relocate): Remove ldo_addrs_ field.
4352 (Target_i386::Relocate::relocate_tls): Don't call fix_up_ldo. For
4353 R_386_TLS_LDO_32, adjust based on section flags.
4354 (Target_i386::Relocate::fix_up_ldo): Remove.
4355
4356 2009-10-13 Ian Lance Taylor <iant@google.com>
4357
4358 Add support for -pie.
4359 * options.h (class General_options): Add -pie and
4360 --pic-executable.
4361 (General_options::output_is_position_independent): Test -pie.
4362 (General_options::output_is_executable): Return true if not shared
4363 and not relocatable.
4364 (General_options::output_is_pie): Remove.
4365 * options.cc (General_options::finalize): Reject incompatible uses
4366 of -pie.
4367 * gold.cc (queue_middle_tasks): A -pie link is not static.
4368 * symtab.h (Symbol::needs_plt_entry): Return false if -pie.
4369 * symtab.cc (Symbol::final_value_is_known): Return false if
4370 output_is_position_independent.
4371 * layout.cc (Layout::set_segment_offsets): Start at address 0 if
4372 output_is_position_independent.
4373 * output.cc (Output_file_header::do_sized_write): Use ET_DYN if
4374 output_is_position_independent.
4375 * i386.cc (Output_data_plt_i386::do_write): Use the PIC PLT if
4376 output_is_position_independent.
4377 * testsuite/Makefile.am (check_PROGRAMS): Add basic_pie_test and
4378 two_file_pie_test.
4379 (basic_pie_test.o, basic_pie_test): New targets.
4380 (two_file_test_1_pie.o, two_file_test_1b_pie.o): New targets.
4381 (two_file_test_2_pie.o, two_file_test_main_pie.o): New targets.
4382 (two_file_pie_test): New target.
4383 * testsuite/Makefile.in: Rebuild.
4384 * README: Remove note saying that -pie is not supported.
4385
4386 2009-10-13 Bernhard Reutner-Fischer <aldot@gcc.gnu.org>
4387
4388 * options.h (class General_options): Add -init and -fini.
4389 * layout.cc (Layout::finish_dynamic_section): Emit
4390 given init and fini functions.
4391
4392 2009-10-13 Sriraman Tallam <tmsriram@google.com>
4393
4394 * gc.h (gc_process_relocs): Check if icf is enabled using new
4395 function.
4396 * gold.cc (queue_initial_tasks): Likewise.
4397 (queue_middle_tasks): Likewise.
4398 * object.cc (do_layout): Likewise.
4399 * symtab.cc (is_section_folded): Likewise.
4400 * main.cc (main): Likewise.
4401 * reloc.cc (Read_relocs::run): Likewise.
4402 (Sized_relobj::do_scan_relocs): Likewise.
4403 * icf.cc (is_function_ctor_or_dtor): New function.
4404 (Icf::find_identical_sections): Check if function is ctor or dtor when
4405 safe icf is chosen.
4406 * options.h (General_options::icf): Change option to be an enum.
4407 (Icf_status): New enum.
4408 (icf_enabled): New method.
4409 (icf_safe_folding): New method.
4410 (set_icf_status): New method.
4411 (icf_status_): New variable.
4412 * (options.cc) (General_options::finalize): Set icf_status_.
4413 * testsuite/Makefile.am: Add commands to build icf_safe_test. Modify
4414 icf_test and icf_keep_unique_test to use the --icf enum flag.
4415 * testsuite/icf_safe_test.sh: New file.
4416 * testsuite/icf_safe_test.cc: New file.
4417
4418 2009-10-12 Sriraman Tallam <tmsriram@google.com>
4419
4420 * symtab.h: Check for GOLD_SYMTAB_H before header includes. Remove
4421 includes to gc.h and icf.h.
4422 * arm.cc: Include gc.h.
4423 * gold.cc: Likewise.
4424 * i386.cc: Likewise.
4425 * powerpc.cc: Likewise.
4426 * sparc.cc: Likewise.
4427 * x86_64.cc: Likewise.
4428 * gc.h: Include icf.h.
4429
4430 2009-10-11 Ian Lance Taylor <iant@google.com>
4431
4432 * plugin.cc: Include "gold.h" before other header files.
4433
4434 2009-10-10 Chris Demetriou <cgd@google.com>
4435
4436 * options.h (Input_file_argument::Input_file_type): New enum.
4437 (Input_file_argument::is_lib_): Replace with...
4438 (Input_file_argument::type_): New member.
4439 (Input_file_argument::Input_file_argument): Take Input_file_type
4440 'type' rather than boolean 'is_lib' as second argument.
4441 (Input_file_argument::is_lib): Use type_.
4442 (Input_file_argument::is_searched_file): New function.
4443 (Input_file_argument::may_need_search): Handle is_searched_file.
4444 * options.cc (General_options::parse_library): Support -l:filename.
4445 (General_options::parse_just_symbols): Update for Input_file_argument
4446 changes.
4447 (Command_line::process): Likewise.
4448 * archive.cc (Archive::get_file_and_offset): Likewise.
4449 * plugin.cc (Plugin_manager::release_input_file): Likewise.
4450 * script.cc (read_script_file, script_add_file): Likewise.
4451 * fileread.cc (Input_file::Input_file): Likewise.
4452 (Input_file::will_search_for): Handle is_searched_file.
4453 (Input_file::open): Likewise.
4454 * readsyms.cc (Read_symbols::get_name): Likewise.
4455 * testsuite/Makefile.am (searched_file_test): New test.
4456 * testsuite/Makefile.in: Regenerate.
4457 * testsuite/searched_file_test.cc: New file.
4458 * testsuite/searched_file_test_lib.cc: New file.
4459
4460 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
4461 Ian Lance Taylor <iant@google.com>
4462
4463 * descriptor.cc: Include <cstdio> and "binary-io.h".
4464 (Descriptors::open): Open the files in binary mode always.
4465 * script.cc (Lex::get_token): Treat \r as whitespace.
4466
4467 2009-10-09 Ian Lance Taylor <iant@google.com>
4468
4469 * testsuite/retain_symbols_file_test.sh: Don't test for __tcf_0.
4470
4471 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
4472 Ian Lance Taylor <iant@google.com>
4473
4474 * configure.ac: Check for readv function also.
4475 * fileread.cc (readv): Define if not HAVE_READV.
4476 * fileread.h (File_read:: max_readv_entries): Set to 1 if readv
4477 does not exist.
4478 * config.in: Regenerate.
4479 * configure: Regenerate.
4480
4481 2009-10-09 Doug Kwan <dougkwan@google.com>
4482
4483 * layout.cc (Layout::make_output_section): Call target hook to make
4484 ordinary output section.
4485 (Layout::finalize): Adjust parameter list of call the
4486 Target::may_relax().
4487 * layout.h (class Layout::section_list): New method.
4488 * merge.h (Output_merge_base::entsize): Change visibility to public.
4489 (Output_merge_base::is_string, Output_merge_base::do_is_string):
4490 New methods.
4491 (Output_merge_string::do_is_string): New method.
4492 * object.cc (Sized_relobj::do_setup): renamed from
4493 Sized_relobj::set_up.
4494 * object.h (Sized_relobj::adjust_shndx,
4495 Sized_relobj::initializ_input_to_output_maps,
4496 Sized_relobj::free_input_to_output_maps): Change visibilities to
4497 protected.
4498 (Sized_relobj::setup): Virtualize.
4499 (Sized_relobj::do_setup): New method declaration.
4500 (Sized_relobj::invalidate_section_offset,
4501 Sized_relobj::do_invalidate_section_offset): New method decfinitions.
4502 (Sized_relobj::elf_file, Sized_relobj::local_values): New methods.
4503 * options.cc (parse_int): New function.
4504 * options.h (parse_int): New declaration.
4505 (DEFINE_int): New macro.
4506 (stub_group_size): New option.
4507 * output.cc (Output_section::Output_section): Initialize memebers
4508 merge_section_map_, merge_section_by_properties_map_,
4509 relaxed_input_section_map_, is_relaxed_input_section_map_valid_.
4510 (Output_section::add_input_section): Handled deferred code-fill
4511 generation and remove an old comment.
4512 (Output_section::add_relaxed_input_section): New method definition.
4513 (Output_section::add_merge_input_section): Use merge section by
4514 properties map to speed to search. Update merge section maps
4515 as appropriate.
4516 (Output_section::build_relaxation_map): New method definition.
4517 (Output_section::convert_input_sections_in_list_to_relaxed_sections):
4518 Same.
4519 (Output_section::relax_input_section): Renamed to
4520 Output_section::convert_input_sections_to_relaxed_sections and change
4521 interface to take a vector of pointers to relaxed sections.
4522 (Output_section::find_merge_section,
4523 Output_section::find_relaxed_input_section): New method definitions.
4524 (Output_section::is_input_address_mapped,
4525 Output_section::output_offset, Output_section::output_address):
4526 Use output section data maps to speed up searching.
4527 (Output_section::find_starting_output_address): Add comments.
4528 (Output_section::do_write,
4529 Output_section::write_to_postprocessing_buffer): Do code-fill
4530 generation as appropriate.
4531 (Output_section::get_input_sections): Invalidate relaxed input section
4532 map.
4533 (Output_section::restore_states): Adjust type of checkpoint .
4534 Invalidate relaxed input section map.
4535 * output.h (Output_merge_base): New class declaration.
4536 (Input_section_specifier): New class defintion.
4537 (class Output_relaxed_input_section) Change base class to
4538 Output_section_data_build.
4539 (Output_relaxed_input_section::Output_relaxed_input_section): Adjust
4540 base class initializer.
4541 (Output_section::add_relaxed_input_section): New method declaration.
4542 (Output_section::Input_section): Change visibility to protected.
4543 (Output_section::Input_section::relobj,
4544 Output_section::Input_section::shndx): Handle relaxed input sections.
4545 Output_section::input_sections) Change visibility to protected. Also
4546 define overload to return a non-const pointer.
4547 (Output_section::Merge_section_properties): New class defintion.
4548 (Output_section::Merge_section_by_properties_map,
4549 Output_section::Output_section_data_by_input_section_map,
4550 Output_section::Relaxation_map): New types.
4551 (Output_section::relax_input_section): Rename method to
4552 Output_section::convert_input_sections_to_relaxed_sections and change
4553 interface to take a vector of relaxed section pointers.
4554 (Output_section::find_merge_section,
4555 Output_section::find_relaxed_input_section,
4556 Output_section::build_relaxation_map,
4557 Output_section::convert_input_sections_in_list_to_relaxed_sections):
4558 New method declarations.
4559 (Output_section::merge_section_map_
4560 Output_section::merge_section_by_properties_map_,
4561 Output_section::relaxed_input_section_map_,
4562 Output_section::is_relaxed_input_section_map_valid_,
4563 Output_section::generate_code_fills_at_write_): New data members.
4564 * script-sections.cc
4565 (Output_section_element_input::set_section_addresses): Call
4566 current_data_size and addralign methods of relaxed input sections.
4567 (Orphan_output_section::set_section_addresses): Call current_data_size
4568 and addralign methods of relaxed input sections.
4569 * symtab.cc (Symbol_table::compute_final_value): Extract template
4570 from the body of Symbol_table::sized_finalize_symbol.
4571 (Symbol_table::sized_finalized_symbol): Call
4572 Symbol_table::compute_final_value.
4573 * symtab.h (Symbol_table::Compute_final_value_status): New enum type.
4574 (Symbol_table::compute_final_value): New templated method declaration.
4575 * target.cc (Target::do_make_output_section): New method defintion.
4576 * target.h (Target::make_output_section): New method declaration.
4577 (Target::relax): Add more parameters for input objects, symbol table
4578 and layout. Adjust call to do_relax.
4579 (Target::do_make_output_section): New method declaration.
4580 (Target::do_relax): Add parameters for input objects, symbol table
4581 and layout.
4582
4583 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
4584
4585 * pread.c: Include stdio.h.
4586
4587 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
4588
4589 * plugin.cc: Don't include dlfcn.h when ENABLE_PLUGINS is not
4590 defined.
4591
4592 2009-10-09 Andrew Pinski <andrew_pinski@playstation.sony.com>
4593
4594 * dwarf_reader.cc (Sized_dwarf_line_info::Sized_dwarf_line_info):
4595 Change read_shndx type to unsigned int.
4596 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4597 int.
4598 (Sized_dwarf_line_info::read_line_mappings): Likewise.
4599 * dwarf_reader.h (Sized_dwarf_line_info::Sized_dwarf_line_info):
4600 Change read_shndx type to unsigned int.
4601 (Sized_dwarf_line_info::read_lines): Change shndx type to unsigned
4602 int.
4603 (Sized_dwarf_line_info::read_line_mappings): Likewise.
4604 * layout.cc (Layout::create_symtab_sections): Cast the result of
4605 local_symcount * symsize to off_t in the gold_assert.
4606
4607 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
4608
4609 * arm.cc (Target_arm::relocate::reloc_is_non_pic): Return true for
4610 R_ARM_THM_ABS5, R_ARM_ABS8, R_ARM_ABS12, R_ARM_ABS16,
4611 R_ARM_BASE_ABS.
4612 (Arm_relocate_functions::abs8): Remove has_thumb_bit parameter.
4613 (Arm_relocate_functions::thm_abs5): New function.
4614 (Arm_relocate_functions::abs12): New function.
4615 (Arm_relocate_functions::abs16): New function.
4616 (Arm_relocate_functions::base_abs): New function.
4617 (Scan::check_non_pic): Handle R_ARM_ABS32_NOI.
4618 (Scan::local): Remove special handling of R_ARM_ABS8. Handle
4619 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, R_ARM_ABS12, R_ARM_ABS16, and
4620 R_ARM_BASE_ABS.
4621 (Scan::global): Likewise.
4622 (Relocate::relocate): Handle R_ARM_ABS12, R_ARM_ABS16,
4623 R_ARM_ABS32_NOI, R_ARM_THM_ABS5, and R_ARM_BASE_ABS.
4624 (Relocatable_size_for_reloc::get_size_for_reloc): Handle
4625 R_ARM_ABS16, R_ARM_THM_ABS5, R_ARM_ABS32_NOI, R_ARM_ABS12, and
4626 R_ARM_BASE_ABS.
4627
4628 2009-10-09 Viktor Kutuzov <vkutuzov@accesssoftek.com>
4629
4630 * arm.cc (Arm_relocate_functions::movw_prel_nc): New function.
4631 (Arm_relocate_functions::movt_prel): New function.
4632 (Arm_relocate_functions::thm_movw_prel_nc): New function.
4633 (Arm_relocate_functions::thm_movt_prel): New function.
4634 (Scan::local): Handle R_ARM_MOVW_PREL_NC, R_ARM_MOVT_PREL,
4635 R_ARM_THM_MOVW_PREL_NC, and R_ARM_THM_MOVT_PREL.
4636 (Scan::global, Relocate::relocate): Likewise.
4637 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4638
4639 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
4640
4641 * gold.cc: (queue_initial_tasks): Pass incremental_inputs to
4642 Incremental_checker.
4643 * incremental.cc: (INCREMENTAL_LINK_VERSION): Change type to
4644 unsigned int.
4645 (class Incremental_inputs_header): New class.
4646 (Incremental_inputs_header_writer): Edit comment.
4647 (Incremental_inputs_entry): New class.
4648 (Incremental_inputs_entry_writer): Edit comment.
4649 (Sized_incremental_binary::do_find_incremental_inputs_section):
4650 Add *strtab_shndx parameter, fill it.
4651 (Sized_incremental_binary::do_check_inputs): New method.
4652 (Incremental_checker::can_incrementally_link_output_file): Use
4653 Sized_incremental_binary::check_inputs.
4654 (Incremental_inputs::report_command_line): Save command line in
4655 command_line_.
4656 * incremental.h:
4657 (Incremental_binary::find_incremental_inputs_section): New
4658 method.
4659 (Incremental_binary::do_find_incremental_inputs_section): Add
4660 strtab_shndx parameter.
4661 (Incremental_binary::do_check_inputs): New pure virtual method.
4662 (Sized_incremental_binary::do_check_inputs): Declare.
4663 (Incremental_checker::Incremental_checker): Add incremental_inputs
4664 parameter, use it to initialize incremental_inputs_.
4665 (Incremental_checker::incremental_inputs_): New field.
4666 (Incremental_checker::command_line): New method.
4667 (Incremental_checker::inputs): New method.
4668 (Incremental_checker::command_line_): New field.
4669
4670 2009-10-09 Mikolaj Zalewski <mikolajz@google.com>
4671
4672 * incremental.cc: Include <cstdarg> and "target-select.h".
4673 (vexplain_no_incremental): New function.
4674 (explain_no_incremental): New function.
4675 (Incremental_binary::error): New method.
4676 (Sized_incremental_binary::do_find_incremental_inputs_section): New
4677 method.
4678 (make_sized_incremental_binary): New function.
4679 (open_incremental_binary): New function.
4680 (can_incrementally_link_file): Add checks if output is ELF and has
4681 inputs section.
4682 * incremental.h: Include "elfcpp_file.h" and "output.h".
4683 (Incremental_binary): New class.
4684 (Sized_incremental_binary): New class.
4685 (open_incremental_binary): Declare.
4686 * object.cc (is_elf_object): Use
4687 elfcpp::Elf_recognizer::is_elf_file.
4688 (make_elf_object): Use elfcpp::Elf_recognizer::is_valid_header.
4689 * output.h (Output_file::filesize): New method.
4690
4691 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
4692
4693 * arm.cc (Arm_relocate_functions::extract_arm_movw_movt_addend):
4694 New function.
4695 (Arm_relocate_functions::insert_val_arm_movw_movt): New function.
4696 (Arm_relocate_functions::extract_thumb_movw_movt_addend): New
4697 function.
4698 (Arm_relocate_functions::insert_val_thumb_movw_movt): New
4699 function.
4700 (Arm_relocate_functions::movw_abs_nc): New function.
4701 (Arm_relocate_functions::movt_abs): New function.
4702 (Arm_relocate_functions::thm_movw_abs_nc): New function.
4703 (Arm_relocate_functions::thm_movt_abs): New function.
4704 (Scan::local): Handle R_ARM_MOVW_ABS_NC, R_ARM_MOVT_ABS,
4705 R_ARM_THM_MOVW_ABS_NC, R_ARM_THM_MOVT_ABS.
4706 (Scan::global): Likewise.
4707 (Relocate::relocate): Likewise.
4708 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4709
4710 2009-10-07 Viktor Kutuzov <vkutuzov@accesssoftek.com>
4711
4712 * arm.cc (Arm_relocate_functions::got_prel) New function.
4713 (Scan::local, Scan::global): Handle R_ARM_GOT_PREL.
4714 (Relocate::relocate): Likewise.
4715 (Relocatable_size_for_reloc::get_size_for_reloc): Likewise.
4716
4717 2009-10-06 Ian Lance Taylor <iant@google.com>
4718
4719 * options.h (class General_options): Define
4720 split_stack_adjust_size parameter.
4721 * object.h (class Object): Add uses_split_stack_ and
4722 has_no_split_stack_ fields. Add uses_split_stack and
4723 has_no_split_stack accessor functions. Declare
4724 handle_split_stack_section.
4725 (class Reloc_symbol_changes): Define.
4726 (class Sized_relobj): Define Function_offsets. Declare
4727 split_stack_adjust, split_stack_adjust_reltype, and
4728 find_functions.
4729 * object.cc (Object::handle_split_stack_section): New function.
4730 (Sized_relobj::do_layout): Call handle_split_stack_section.
4731 * dynobj.cc (Sized_dynobj::do_layout): Call
4732 handle_split_stack_section.
4733 * reloc.cc (Sized_relobj::relocate_sections): Call
4734 split_stack_adjust for executable sections in split_stack
4735 objects. Pass reloc_map to relocate_section.
4736 (Sized_relobj::split_stack_adjust): New function.
4737 (Sized_relobj::split_stack_adjust_reltype): New function.
4738 (Sized_relobj::find_functions): New function.
4739 * target-reloc.h: Include "object.h".
4740 (relocate_section): Add reloc_symbol_changes parameter. Change
4741 all callers.
4742 * target.h (class Target): Add calls_non_split method. Declare
4743 do_calls_non_split virtual method. Declare match_view and
4744 set_view_to_nop.
4745 * target.cc: Include "elfcpp.h".
4746 (Target::do_calls_non_split): New function.
4747 (Target::match_view): New function.
4748 (Target::set_view_to_nop): New function.
4749 * gold.cc (queue_middle_tasks): Give an error if mixing
4750 split-stack and non-split-stack objects with -r.
4751 * i386.cc (Target_i386::relocate_section): Add
4752 reloc_symbol_changes parameter.
4753 (Target_i386::do_calls_non_split): New function.
4754 * x86_64.cc (Target_x86_64::relocate_section): Add
4755 reloc_symbol_changes parameter.
4756 (Target_x86_64::do_calls_non_split): New function.
4757 * arm.cc (Target_arm::relocate_section): Add reloc_symbol_changes
4758 parameter.
4759 * powerpc.cc (Target_powerpc::relocate_section): Add
4760 reloc_symbol_changes parameter.
4761 * sparc.cc (Target_sparc::relocate_section): Add
4762 reloc_symbol_changes parameter.
4763 * configure.ac: Call AM_CONDITIONAL for the default target.
4764 * configure: Rebuild.
4765 * testsuite/Makefile.am (TEST_AS): New variable.
4766 (check_SCRIPTS): Add split_i386.sh and split_x86_64.sh.
4767 (check_DATA): Add split_i386 and split_x86_64 files.
4768 (SPLIT_DEFSYMS): Define.
4769 (split_i386_[1234n].o): New targets.
4770 (split_i386_[124]): New targets.
4771 (split_i386_[1234r].stdout): New targets.
4772 (split_x86_64_[1234n].o): New targets.
4773 (split_x86_64_[124]): New targets.
4774 (split_x86_64_[1234r].stdout): New targets.
4775 (MOSTLYCLEANFILES): Add new executables.
4776 * testsuite/split_i386.sh: New file.
4777 * testsuite/split_x86_64.sh: New file.
4778 * testsuite/split_i386_1.s: New file.
4779 * testsuite/split_i386_2.s: New file.
4780 * testsuite/split_i386_3.s: New file.
4781 * testsuite/split_i386_4.s: New file.
4782 * testsuite/split_i386_n.s: New file.
4783 * testsuite/split_x86_64_1.s: New file.
4784 * testsuite/split_x86_64_2.s: New file.
4785 * testsuite/split_x86_64_3.s: New file.
4786 * testsuite/split_x86_64_4.s: New file.
4787 * testsuite/split_x86_64_n.s: New file.
4788 * testsuite/testfile.cc (Target_test): Update relocation_section
4789 function.
4790 * testsuite/Makefile.in: Rebuild.
4791
4792 2009-10-06 Ian Lance Taylor <iant@google.com>
4793
4794 * i386.cc (class Target_i386::Relocate): Add ldo_addrs_ field.
4795 (Target_i386::Relocate::relocate_tls): Call fix_up_ldo before
4796 changing local_dynamic_type_ from LOCAL_DYNAMIC_NONE. When
4797 handling R_386_TLS_LDO_32, if local_dynamic_type_ is NONE, push
4798 the address on ldo_addrs_.
4799 (Target_i386::Relocate::fix_up_ldo): New function.
4800
4801 2009-10-06 Rafael Espindola <espindola@google.com>
4802
4803 * plugin.cc (add_input_library): New.
4804 (Plugin::load): Add add_input_library to tv.
4805 (Plugin_manager::add_input_file): Add the is_lib argument.
4806 (add_input_file): Update call to Plugin_manager::add_input_file.
4807 (add_input_library): New.
4808 * plugin.h (Plugin_manager::add_input_file): Add the is_lib argument.
4809
4810 2009-09-30 Doug Kwan <dougkwan@google.com>
4811
4812 * arm.cc (Target_arm::may_need_copy_reloc): Check for THUMB function
4813 symbol and call Symbol::may_need_copy_reloc to determine if
4814 a copy reloc is needed.
4815 * copy-relocs.cc (Copy_relocs::need_copy_reloc): Return false if -z
4816 nocopyreloc is given in command line.
4817 (Copy_relocs::emit_copy_reloc): Assert that -z nocopyreloc is not
4818 given in command line.
4819 * i386.cc (Target_i386::may_need_copy_reloc): Remove.
4820 (Target_i386::Scan::global): Use Symbol::may_need_copy_reloc instead
4821 of the removed Target_i386::may_need_copy_reloc.
4822 * options.h (copyreloc): New option with default value false.
4823 * powerpc.cc (Target_powerpc::may_need_copy_reloc): Remove.
4824 (Target_powerpc::Scan::global): Use Symbol::may_need_copy_reloc
4825 instead of the removed Target_powerpc::may_need_copy_reloc.
4826 * sparc.cc (Target_powerpc::may_need_copy_reloc): Remove.
4827 (Target_sparc::Scan::global): Use Symbol::may_need_copy_reloc
4828 instead of the removed Target_sparc::may_need_copy_reloc.
4829 * symtab.h (Symbol::may_need_copy_reloc): New method definition.
4830 * x86_64.cc (Target_powerpc::may_need_copy_reloc): Remove.
4831 (Target_x86_64::Scan::global): Use Symbol::may_need_copy_reloc
4832 instead of the removed Target_x86_64::may_need_copy_reloc.
4833
4834 2009-09-30 Ian Lance Taylor <iant@google.com>
4835
4836 * object.h (class Object): Remove target_ field, and target,
4837 sized_target, and set_target methods.
4838 (Object::sized_target): Remove.
4839 (class Sized_relobj): Update declarations. Remove sized_target.
4840 * object.cc (Sized_relobj::setup): Remove target parameter.
4841 Change all callers.
4842 (Input_objects::add_object): Don't do anything with the target.
4843 (make_elf_sized_object): Add punconfigured parameter. Change all
4844 callers. Set or test parameter target.
4845 * dynobj.cc (Sized_dynobj::target): Remove target parameter.
4846 Change all callers.
4847 * parameters.cc (Parameters::set_target): Change parameter type to
4848 be non-const.
4849 (Parameters::default_target): Remove.
4850 (set_parameters_target): Change parameter type to be non-const.
4851 (parameters_force_valid_target): New function.
4852 (parameters_clear_target): New function.
4853 * parameters.h (class Parameters): Update declarations. Remove
4854 default_target method. Add sized_target and clear_target
4855 methods. Change target_ to be non-const.
4856 (set_parameters_target): Update declaration.
4857 (parameters_force_valid_target): Declare.
4858 (parameters_clear_target): Declare.
4859 * readsyms.cc (Read_symbols::do_read_symbols): Pass punconfigured
4860 as NULL if we aren't searching.
4861 (Add_symbols::run): Don't check for compatible target.
4862 * fileread.cc (Input_file::open_binary): Call
4863 parameters_force_valid_target.
4864 * gold.cc (queue_middle_tasks): Likewise.
4865 * plugin.cc (make_sized_plugin_object): Likewise. Don't call
4866 set_target on object.
4867 * dynobj.h (class Sized_dynobj): Update declarations.
4868 * archive.cc (Archive::get_elf_object_for_member): Return NULL if
4869 make_elf_object returns NULL.
4870 (Archive::include_member): Don't check whether object target is
4871 compatible.
4872 * output.cc (Output_section::add_input_section): Get target from
4873 parameters.
4874 (Output_section::relax_input_section): Likewise.
4875 * reloc.cc (Sized_relobj::do_gc_process_relocs): Get target from
4876 parameters.
4877 (Sized_relobj::do_scan_relocs): Likewise.
4878 (Sized_relobj::relocate_sections): Likewise.
4879 * resolve.cc (Symbol_table::resolve): Likewise.
4880 * symtab.cc (Symbol_table::wrap_symbol): Likewise. Remove object
4881 parameter. Change all callers.
4882 (Symbol_table::add_from_object): Get target from parameters.
4883 (Symbol_table::add_from_relobj): Don't check object target.
4884 (Symbol_table::add_from_dynobj): Likewise.
4885 (Symbol_table::define_special_symbol): Get target from
4886 parameters.
4887 * symtab.h (class Symbol_table): Update declaration.
4888 * testsuite/binary_unittest.cc (gold_testsuite): Remove target
4889 parameter. Change all callers. Clear parameter target.
4890 (Binary_test): Test target here.
4891 * testsuite/object_unittest.cc (gold_testsuite): Remove
4892 target_test_pointer parameter. Change all callers.
4893 (Object_test): Test target here.
4894
4895 2009-09-26 Ian Lance Taylor <iant@google.com>
4896
4897 * testsuite/initpri1.c: Don't try to use constructor priorities if
4898 compiling with gcc before 4.3.
4899
4900 2009-09-22 Mikolaj Zalewski <mikolajz@google.com>
4901
4902 * testsuite/retain_symbols_file_test.sh (check_present): Change
4903 output file name to retain_symbols_file_test.stdout.
4904 (check_absent): Likewise.
4905
4906 2009-09-18 Craig Silverstein <csilvers@google.com>
4907
4908 * object.cc (Sized_relobj::do_count): Test should_retain_symbol map.
4909 * options.cc: Include <cerrno> and <fstream>.
4910 (General_options::finalize): Parse -retain-symbols-file tag.
4911 * options.h: New flag.
4912 (General_options): New method should_retain_symbol, new
4913 variable symbols_to_retain.
4914 * symtab.cc (Symbol_table::sized_finalize_symbol): Test
4915 should_retain_symbol map.
4916 * testsuite/Makefile.am (retain_symbols_file_test): New test.
4917 * testsuite/Makefile.in: Regenerate.
4918 * testsuite/retain_symbols_file_test.sh: New file.
4919
4920 2009-09-18 Nick Clifton <nickc@redhat.com>
4921
4922 * po/es.po: Updated Spanish translation.
4923
4924 2009-09-17 Doug Kwan <dougkwan@google.com>
4925
4926 * debug.h (DEBUG_RELAXATION): New constant.
4927 (DEBUG_ALL): Add DEBUG_RELAXATION.
4928 (debug_string_to_enum): Add relaxation debug option.
4929 * layout.cc
4930 (Layout::Relaxation_debug_check::check_output_data_for_reset_values,
4931 Layout::Relaxation_debug_check::read_sections,
4932 Layout::Relaxation_debug_check::read_sections): New method definitions.
4933 (Layout::Layout): Initialize data members
4934 record_output_section_data_from_scrips_,
4935 script_output_section_data_list_ and relaxation_debug_check_.
4936 (Layout::save_segments, Layout::restore_segments,
4937 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4938 Layout::relaxation_loop_body): New method definitions.
4939 (Layout::finalize): Support relaxation. Move section layout code to
4940 Layout::relaxation_loop_body.
4941 (Layout::set_asection_address_from_script): Move code for orphan
4942 section placement out.
4943 (Layout::place_orphan_sections_in_script): New method definition.
4944 * layout.h (Output_segment_headers, Output_file_header):
4945 New forward class declarations.
4946 (Layout::~Layout): Define.
4947 (Layout::new_output_section_data_from_script): New method definition.
4948 (Layout::place_orphan_sections_in_script): New method declaration.
4949 (Layout::Segment_states): New type declaration.
4950 (Layout::save_segments, Layout::restore_segments,
4951 Layout::clean_up_after_relaxation, Layout::prepare_for_relaxation,
4952 Layout::relaxation_loop_body): New method declarations.
4953 (Layout::Output_section_data_list): New type declaration.
4954 (Layout::Relaxation_debug_check): New class definition.
4955 (Layout::record_output_section_data_from_script_,
4956 Layout::script_output_section_data_list_, Layout::segment_states_,
4957 Layout::relaxation_debug_check_): New data members.
4958 * output.cc: (Output_section_headers::do_size): New method definition.
4959 (Output_section_headers::Output_section_headers): Move size
4960 computation to Output_section_headers::do_size.
4961 (Output_segment_headers::do_size): New method definition.
4962 (Output_file_header::Output_file_header): Move size computation to
4963 Output_file_header::do_size and call it.
4964 (Output_file_header::do_size): New method definition.
4965 (Output_data_group::Output_data_group): Adjust call to
4966 Output_section_data.
4967 (Output_data_dynamic::set_final_data_size): Add DT_NULL tag only once.
4968 (Output_symtab_xindex::do_write): Add array bound check.
4969 (Output_section::Input_section::print_to_mapfile): Handle
4970 RELAXED_INPUT_SECTION_CODE.
4971 (Output_section::Output_section): Initialize data member checkpoint_.
4972 (Output_section::~Output_section): Delete checkpoint object pointed
4973 by checkpoint_.
4974 (Output_section::add_input_section): Always add an Input_section if
4975 relaxing.
4976 (Output_section::add_merge_input_section): Add assert.
4977 (Output_section::relax_input_section): New method definition.
4978 (Output_section::set_final_data_size): Set load address to zero for
4979 an unallocated section.
4980 (Output_section::do_address_and_file_offset_have_reset_values):
4981 New method definition.
4982 (Output_section::Input_section_sort_enty::Input_section_sort_enty):
4983 Handle relaxed input section.
4984 (Output_section::sort_attached_input_sections): Checkpoint input
4985 section list lazily.
4986 (Output_section::get_input_sections): Change type of input_sections to
4987 list of Simple_input_section pointers. Checkpoint input section list
4988 lazily. Also handle relaxed input sections.
4989 (Output_section::add_input_section_for_script): Take a reference to
4990 a Simple_input_section object instead of Relobj pointer and section
4991 index as parameter. Handle relaxed input sections.
4992 (Output_section::save_states, Output_section::restore_states): New
4993 method definitions.
4994 * output.h (Output_data::Output_data): Initialize is_data_size_fixed_.
4995 (Output_data::is_data_size_fixed): New method definition.
4996 (Output_data::reset_addresss_and_file_offset): Do not reset data size
4997 if it is fixed.
4998 (Output_data::address_and_file_offset_have_reset_values): New method
4999 definition.
5000 (Output_data::do_address_and_file_offset_have_reset_values): New method
5001 definition.
5002 (Output_data::set_data_size): Check that data size is not fixed.
5003 (Output_data::fix_data_size): New method definition.
5004 (Output_data::is_data_size_fixed_): New data member.
5005 (Output_section_headers::set_final_data_size): New method definition.
5006 (Output_section_headers::do_size): New method declaration.
5007 (Output_segment_headers::set_final_data_size): New method definition.
5008 (Output_segment_headers::do_size): New method declaration.
5009 (Output_file_header::set_final_data_size)::New method definition.
5010 (Output_file_header::do_size)::New method declaration.
5011 (Output_section_data::Output_section_data): Add new parameter
5012 is_data_size_fixed and use it to fix data size.
5013 (Output_data_const::Output_data_const): Adjust call to base class
5014 constructor and fix data size.
5015 (Output_data_const_buffer::Output_data_const_buffer): Adjust call to
5016 base class constructor and fix data size.
5017 (Output_data_fixed_space::Output_data_fixed_space): Adjust call to
5018 base class constructor and fix data size.
5019 (Output_data_zero_fill::Output_data_zero_fill): Adjust call to base
5020 class constructor and fix data size.
5021 (Output_data_group::set_final_data_size): New method definition.
5022 (Output_data_dynamic::Dynamic_entry::tag): New method definition.
5023 (Output_symtab_xindex::Output_symtab_xindex): Adjust call to base
5024 class constructor and fix data size.
5025 (Output_relaxed_input_section): New class definition.
5026 (Output_section::Simple_input_section): New class definition.
5027 (Output_section::get_input_sections): Adjust parameter list.
5028 (Output_section::add_input_section_for_script): Same.
5029 (Output_section::save_states, Output_section::restore_states,
5030 Output_section::do_address_and_file_offset_have_reset_values,
5031 (Output_section::Input_section::Input_section): Handle
5032 RELAXED_INPUT_SECTION_CODE. Add new overload for
5033 Output_relaxed_input_section.
5034 (Output_section::Input_section::is_input_section,
5035 Output_section::Input_section::set_output_section): Handle relaxed
5036 input section.
5037 (Output_section::Input_section::is_relaxed_input_section,
5038 Output_section::Input_section::output_section_data,
5039 Output_section::Input_section::relaxed_input_section): New method
5040 definitions.
5041 (Output_section::Input_section::RELAXED_INPUT_SECTION_CODE): New enum
5042 value.
5043 (Output_section::Input_section::u1_): Update comments.
5044 (Output_section::Input_section::u2_): Add new union member poris.
5045 (Output_section::Checkpoint_output_section): New classs definition.
5046 (Output_section::relax_input_section): New method declaration.
5047 (Output_section::checkpoint_): New data member.
5048 (Output_segment): Update comments.
5049 (Output_segment::Output_segment): Un-privatize copy constructor.
5050 (Output_segment::operator=): Un-privatize.
5051 * script-sections.cc (Output_section_element::Input_section_list):
5052 Change element type to Output_section::Simple_input_section.
5053 (Output_section_element_dot_assignment::set_section_addresses):
5054 Register output section data for relaxation clean up.
5055 (Output_data_exression::Output_data_expression): Adjust call to base
5056 constructor to fix data size.
5057 (Output_section_element_data::set_section_addresses): Register
5058 Output_data_expression object for relaxation clean up.
5059 (struct Input_section_info): Replace Relobj pointer and section index
5060 pair with Output_section::Simple_input_section and Convert struct to a
5061 class.
5062 (Input_section_sorter::operator()): Adjust access to
5063 Input_section_info data member to use accessors.
5064 (Output_section_element_input::set_section_addresses): Use layout
5065 parameter. Adjust code to use Output_section::Simple_input_section
5066 and Input_secction_info classes. Register filler for relaxation
5067 clean up.
5068 (Orphan_output_section::set_section_addresses): Replace Relobj pointer
5069 and section index pair with Output_section::Simple_input_section
5070 class. Adjust code accordingly.
5071 (Phdrs_element::release_segment): New method definition.
5072 (Script_sections::attach_sections_using_phdrs_clause): Do not modify
5073 segment list.
5074 (Script_sections::release_segments): New method definition.
5075 * gold/script-sections.h (Script_sections::release_segments): New
5076 method declaration.
5077 * gold/target.h (Target::may_relax, Target::relax,
5078 Target::do_may_relax, Target::do_relax): New method definitions.
5079
5080 2009-09-17 Viktor Kutuzov <vkutuzov@accesssoftek.com>
5081
5082 * arm.cc (has_signed_unsigned_overflow): New function.
5083 (Arm_relocate_functions::abs8): New function.
5084 (Target_arm::Scan::local): Handle R_ARM_ABS8.
5085 (Target_arm::Scan::global): Likewise.
5086 (Target_arm::relocate::relocate): Likewise.
5087 (Target_arm::Relocatable_size_for_reloc::get_size_for_reloc):
5088 Likewise.
5089
5090 2009-09-16 Cary Coutant <ccoutant@google.com>
5091
5092 * testsuite/Makefile.am (MOSTLYCLEANFILES): Add more generated files.
5093 * testsuite/Makefile.in: Regenerate.
5094
5095 2009-09-11 Nick Clifton <nickc@redhat.com>
5096
5097 * po/gold.pot: Updated by the Translation project.
5098
5099 2009-09-08 Cary Coutant <ccoutant@google.com>
5100
5101 * output.cc (Output_file::open): Add execute permission to empty file.
5102 * testsuite/Makefile.am (permission_test): New test.
5103 * testsuite/Makefile.in: Regenerate.
5104
5105 2009-09-02 Ian Lance Taylor <iant@google.com>
5106
5107 * output.cc (Output_file::resize): Call map_no_anonymous rather
5108 than map.
5109
5110 2009-09-01 Mikolaj Zalewski <mikolajz@google.com>
5111
5112 * gold.cc: Include "incremental.h".
5113 (queue_initial_tasks): Call Incremental_checker methods.
5114 * incremental.cc: Include "output.h".
5115 (Incremental_checker::can_incrementally_link_output_file): New
5116 method.
5117 * incremental.h (Incremental_checker): New class.
5118
5119 * output.cc (Output_file::open_for_modification): New method.
5120 (Output_file::map_anonymous): Changed return type to bool. Record
5121 map in base_ field.
5122 (Output_file::map_no_anonymous): New method, broken out of map.
5123 (Output_file::map): Use map_no_anonymous and map_anonymous.
5124 * output.h (class Output_file): Update declarations.
5125
5126 2009-08-24 Cary Coutant <ccoutant@google.com>
5127
5128 * options.h (Command_line::Pre_options): New class.
5129 (Command_line::pre_options): New member.
5130 * options.cc (gold::options::ready_to_register): New variable.
5131 (One_option::register_option): Do nothing if not registering options.
5132 Assert if same short option registered twice.
5133 (General_options::General_options): Turn off option registration when
5134 done constructing.
5135 (Command_line::Pre_options::Pre_options): New constructor.
5136
5137 2009-08-24 Cary Coutant <ccoutant@google.com>
5138
5139 * options.h (General_options::no_keep_memory): Remove incorrect
5140 short option.
5141
5142 2009-08-24 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5143
5144 * Makefile.am (am__skiplex, am__skipyacc): New.
5145 * Makefile.in: Regenerate.
5146
5147 2009-08-22 Ralf Wildenhues <Ralf.Wildenhues@gmx.de>
5148
5149 * Makefile.am (AM_CPPFLAGS): Renamed from ...
5150 (INCLUDES): ... this.
5151 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add -Wno-portability.
5152 (AM_CPPFLAGS): Renamed from ...
5153 (INCLUDE): ... this.
5154 * Makefile.in, testsuite/Makefile.in: Regenerate.
5155
5156 * Makefile.in: Regenerate.
5157 * aclocal.m4: Likewise.
5158 * config.in: Likewise.
5159 * configure: Likewise.
5160 * testsuite/Makefile.in: Likewise.
5161
5162 * Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5163 * testsuite/Makefile.am (AUTOMAKE_OPTIONS): Add foreign.
5164 * Makefile.in: Regenerate.
5165 * testsuite/Makefile.in: Regenerate.
5166
5167 2009-08-19 Cary Coutant <ccoutant@google.com>
5168
5169 * resolve.cc (Symbol_table::resolve): Don't complain about defined
5170 symbols in shared libraries overridden by hidden or internal symbols
5171 in the main program.
5172
5173 2009-08-19 Chris Demetriou <cgd@google.com>
5174
5175 * testsuite/debug_msg.sh: Match .* rather than ${srcdir} when
5176 checking source file names in error messages.
5177
5178 2009-08-18 Doug Kwan <dougkwan@google.com>
5179
5180 * dynobj.cc (Sized_dynobj::setup): Take a Target object instead of
5181 an elcpp::Ehdr as parameter. Adjust call to set_target.
5182 * dynobj.h (Sized_dynobj::setup): Take a Target object instead of
5183 an elfcpp::Ehdr as parameter.
5184 * object.cc (Object::set_target): Remove the version that looks up
5185 a target and sets it.
5186 (Sized_relobj::setup): Take a Target object instead of
5187 an elfcpp::Ehdr as parameter. Adjust call to set_target.
5188 (make_elf_sized_object): Find target and ask target to
5189 make an ELF object.
5190 * object.h: (Object::set_target): Remove the version that looks up
5191 a target and sets it.
5192 (Sized_relobj::setup): Take a Target object instead of
5193 an elfcpp:Ehdr as parameter.
5194 * target.cc: Include dynobj.h.
5195 (Target::do_make_elf_object_implementation): New.
5196 (Target::do_make_elf_object): New.
5197 * target.h (Target::make_elf_object): New template declaration.
5198 (Target::do_make_elf_object): New method declarations.
5199 (Target::do_make_elf_object_implementation): New template declaration.
5200
5201 2009-08-14 Ian Lance Taylor <iant@google.com>
5202
5203 * gold.h (FUNCTION_NAME): Define.
5204 (gold_unreachable): Use FUNCTION_NAME.
5205
5206 2009-08-12 Sriraman Tallam <tmsriram@google.com>
5207
5208 * icf.cc (Icf::find_identical_sections): Issue a warning when a
5209 symbol in the --keep-unique list is not found.
5210
5211 2009-08-12 Sriraman Tallam <tmsriram@google.com>
5212
5213 * icf.cc (Icf::find_identical_sections): Unfold symbols that have
5214 been maked as --keep-unique.
5215 (Icf::unfold_section): New function.
5216 * icf.h (Icf::unfold_section): New function.
5217 * options.h (General_options::keep_unique): New option.
5218 * testsuite/Makefile.am: Add commands to build icf_keep_unique_test.
5219 * testsuite/Makefile.in: Regenerate.
5220 * testsuite/icf_keep_unique_test.sh: New file.
5221 * testsuite/icf_keep_unique_test.cc: New file.
5222
5223 2009-08-12 Cary Coutant <ccoutant@google.com>
5224
5225 PR 10471
5226 * resolve.cc (Symbol_table::resolve): Check for references from
5227 dynamic objects to hidden and internal symbols.
5228 * testsuite/Makefile.am (hidden_test.sh): New test.
5229 * testsuite/Makefile.in: Regenerate.
5230 * testsuite/hidden_test.sh: New script.
5231 * testsuite/hidden_test_1.c: New test source.
5232 * testsuite/hidden_test_main.c: New test source.
5233
5234 2009-08-11 Doug Kwan <dougkwan@google.com>
5235
5236 * arm.cc: Update comments.
5237 (Target_arm::do_finalize_sections): Add a special PT_ARM_EXIDX
5238 segment to locate the .ARM.exidx section if present.
5239
5240 2009-08-09 Doug Kwan <dougkwan@google.com>
5241
5242 * dynobj.h (Sized_dynobj::do_section_entsize): Revert the previous
5243 patch.
5244
5245 2009-08-07 Sriraman Tallam <tmsriram@google.com>
5246 * dynobj.h (Sized_dynobj::do_section_entsize): Add return to avoid
5247 compiler warnings.
5248
5249 2009-08-06 Sriraman Tallam <tmsriram@google.com>
5250
5251 * x86_64.cc (Target_x86_64::Relocate::relocate_tls): Check for a
5252 valid tls_segment only for non-debug-section relocations.
5253 * testsuite/Makefile.am: Add gc_tls_test.
5254 * testsuite/Makefile.in: Regenerate.
5255 * testsuite/gc_tls_test.cc: New file.
5256 * testsuite/gc_tls_test.sh: New file.
5257
5258 2009-08-05 Sriraman Tallam <tmsriram@google.com>
5259
5260 * icf.cc: New file.
5261 * icf.h: New file.
5262 * Makefile.am (CCFILES): Add icf.cc.
5263 (HFILES): Add icf.h
5264 * Makefile.in: Regenerate.
5265 * dynobj.h (Sized_dynobj::do_section_entsize): New function.
5266 * gc.h (gc_process_relocs): Populate lists used by icf to contain
5267 section, symbol and addend information for the relocs.
5268 * gold.cc (queue_middle_tasks): Call identical code folding.
5269 * gold.h: Add defines for multimap.
5270 * layout.cc (Layout::create_symtab_sections): Add symtab as parameter
5271 to the call of finalize_local_symbols.
5272 * main.cc (main): Create object of class Icf.
5273 * object.cc (Sized_relobj::do_layout): Allow this function to be
5274 called twice during icf.
5275 (Sized_relobj::do_finalize_local_symbols): Fold symbols corresponding
5276 to sections marked as identical by icf.
5277 (Sized_relobj::do_section_flags): Get section_flags from Symbols_data
5278 when available.
5279 (Sized_relobj::do_section_entsize): New function.
5280 * object.h (Object::section_entsize): New function.
5281 (Object::do_section_entsize): New pure virtual function.
5282 (Relobj::finalize_local_symbols): Add new parameter.
5283 (Relobj::do_section_entsize): New function.
5284 * options.h (General_options::icf): New option.
5285 (General_options::icf_iterations): New option.
5286 (General_options::print_icf_sections): New option.
5287 * plugin.cc (Sized_pluginobj::do_section_entsize): New function.
5288 * plugin.h (Sized_pluginobj::do_section_entsize): New function.
5289 * reloc.cc (Read_relocs::run): Delay scanning relocs when doing
5290 icf.
5291 * symtab.cc (Symbol_table::is_section_folded): New function.
5292 (Symbol_table::sized_finalize_symbol): Fold symbols corresponding
5293 to sections marked as identical by icf.
5294 * symtab.h (Symbol_table::set_icf): New function.
5295 (Symbol_table::icf): New function.
5296 (Symbol_table::is_section_folded): New function.
5297 (Symbol_table::icf_): New data member.
5298 * target-reloc.h (relocate_section): Ignore sections folded by icf.
5299 * testsuite/Makefile.am: Add commands to build icf_test.
5300 * testsuite/Makefile.in: Regenerate.
5301 * testsuite/icf_test.sh: New file.
5302 * testsuite/icf_test.cc: New file.
5303
5304 2009-07-24 Chris Demetriou <cgd@google.com>
5305
5306 * layout.cc (is_compressible_debug_section): Fix incorrect
5307 comment about compressed section names.
5308
5309 2009-07-20 Ian Lance Taylor <ian@airs.com>
5310
5311 PR 10419
5312 * x86_64.cc (Target_x86_64::do_code_fill): Correct nop sequences.
5313
5314 2009-07-16 Ian Lance Taylor <iant@google.com>
5315
5316 PR 10400
5317 * layout.h: #include <map>.
5318 (class Kept_section): Change from struct to class. Add accessors
5319 and setters. Add section size to Comdat_group mapping. Change
5320 Comdat_group to std::map. Add is_comdat_ field. Add
5321 linkonce_size field in union.
5322 (class Layout): Update declaration of find_or_add_kept_section.
5323 Don't declare find_kept_object.
5324 * layout.cc (Layout::find_or_add_kept_section): Remove candidate
5325 parameter. Add object, shndx, is_comdat, and is_group_name
5326 parameters. Change all callers. Adjust for new Kept_section.
5327 (Layout::find_kept_object): Remove.
5328 * object.cc (Sized_relobj::include_section_group): Update use of
5329 Kept_section. Rename secnum to shndx. Only record
5330 Kept_comdat_section if sections are the same size.
5331 (Sized_relobj::include_linkonce_section): Update use of
5332 Kept_section. Only record Kept_comdat_section if sections are the
5333 same size. Set size of linkonce section.
5334 (Sized_relobj::map_to_kept_section): Update call to
5335 get_kept_comdat_section.
5336 * object.h (class Sized_relobj): Rename fields in
5337 Kept_comdat_section to drop trailing underscores; change object
5338 field to Relobj*. Change Kept_comdat_section_table to store
5339 struct rather than pointer.
5340 (Sized_relobj::set_kept_comdat_section): Remove kept parameter.
5341 Add kept_object and kept_shndx parameters. Change all callers.
5342 (Sized_relobj::get_kept_comdat_section): Change return type to
5343 bool. Add kept_object and kept_shndx parameters. Change all
5344 callers.
5345 * plugin.cc (Pluginobj::include_comdat_group): Update call to
5346 Layout::find_or_add_kept_section.
5347
5348 2009-07-09 Ian Lance Taylor <iant@google.com>
5349
5350 * merge.cc (Object_merge_map::initialize_input_to_output_map):
5351 Reserve space in the hash table.
5352
5353 2009-07-06 Mikolaj Zalewski <mikolajz@google.com>
5354
5355 * fileread.cc (File_read::get_mtime): New method.
5356 * fileread.h (Timespec): New structure.
5357 (File_read::get_mtime): New method.
5358 * incremental.cc (Incremental_inputs_entry_data::timestamp_usec):
5359 Renamed from timestamp_nsec.
5360 (Incremental_inputs_entry_write::timestamp_sec): Fix argument to
5361 Elf_Xword.
5362 (Incremental_inputs_entry_write::timestamp_usec): Renamed from
5363 timestamp_nsec.
5364 (Incremental_inputs::report_archive): Save mtime; style fix.
5365 (Incremental_inputs::report_obejct): Save mtime; style fix.
5366 (Incremental_inputs::report_script): Save mtime; style fix.
5367 (Incremental_inputs::finalize_inputs): Style fix.
5368 (Incremental_inputs::finalize): Style fix.
5369 (Incremental_inputs::create_input_section_data): Store inputs
5370 mtime.
5371 * incremental.h (Incremental_inputs::report_script): Add mtime
5372 argument.
5373 (Incremental_inputs::Input_info::Input_info): Intialize only one
5374 union member.
5375 (Incremental_inputs::Input_info::archive): Move to nameless
5376 union.
5377 (Incremental_inputs::Input_info::obejct): Move to nameless union.
5378 (Incremental_inputs::Input_info::script): Move to nameless union.
5379 (Incremental_inputs::mtime): New field.
5380 * script.cc (read_input_script): Pass file mtime to
5381 Incremental_input.
5382 * script.h (Script_info::inputs): Style fix.
5383
5384 2009-07-01 Ian Lance Taylor <ian@airs.com>
5385
5386 * freebsd.h (Target_freebsd::do_adjust_elf_header): Use size
5387 instead of 32.
5388
5389 2009-06-24 Ian Lance Taylor <iant@google.com>
5390
5391 PR 10156
5392 * layout.cc (Layout::choose_output_section): If we find an
5393 existing section, update the flags.
5394 (Layout::create_notes): New function, broken out of
5395 Layout::finalize.
5396 (Layout::finalize): Don't create note sections.
5397 (Layout::create_note): Don't crash if linker script discards
5398 section.
5399 (Layout::create_gold_note): Likewise.
5400 (Layout::create_build_id): Likewise. Don't set
5401 after_input_sections on the section.
5402 (Layout::create_executable_stack_info): Remove target parameter.
5403 Change caller.
5404 * layout.h (class Layout): Declare create_notes. Update
5405 declaration of create_executable_stack_info.
5406 * gold.cc (queue_middle_tasks): Call create_notes.
5407 * output.cc (Output_section::update_flags_for_input_section): Move
5408 here from output.h. If SHF_ALLOC flag is newly set, mark address
5409 invalid.
5410 * output.h (Output_data::mark_address_invalid): New function.
5411 (class Output_section): Only declare, not define,
5412 update_flags_for_input_section. Remove set_flags.
5413
5414 2009-06-24 Ian Lance Taylor <iant@google.com>
5415
5416 * script-sections.cc (Output_section_definition::
5417 set_section_addresses): Rename shadowing local load_address to
5418 laddr.
5419
5420 2009-06-24 Ian Lance Taylor <iant@google.com>
5421
5422 PR 10244
5423 * reloc.cc (relocate_sections): Skip empty relocation sections.
5424
5425 2009-06-23 Ian Lance Taylor <iant@google.com>
5426
5427 PR 10156
5428 * layout.cc (Layout::create_note): Use choose_output_section
5429 rather than make_output_section.
5430
5431 2009-06-23 Ian Lance Taylor <iant@google.com>
5432
5433 PR 10237
5434 * options.cc (General_options::parse_V): Set printed_version_.
5435 (General_options::General_options): Initialize printed_version_.
5436 * options.h (class General_options): Add printed_version_ field.
5437 * gold.cc (queue_initial_tasks): If there are no input files,
5438 don't give a fatal error if we printed the version information.
5439 (queue_middle_tasks): If using -r with a shared object, give a
5440 fatal error rather than an ordinary error.
5441
5442 2009-06-23 Ian Lance Taylor <iant@google.com>
5443
5444 PR 10219
5445 * layout.cc (Layout::Layout): Initialize have_stabstr_section_.
5446 (Layout::make_output_section): Set have_stabstr_section_ if we see
5447 a .stab*str section.
5448 (Layout::finalize): Call link_stabs_sections.
5449 (Layout::link_stabs_sections): New file.
5450 * layout.h (class Layout): Add have_stabstr_section_ field.
5451 Declare link_stabs_sections.
5452
5453 2009-06-23 Doug Kwan <dougkwan@google.com>
5454
5455 * Makefile.am (libgold_a_LIBADD): New.
5456 (ld_new_DEPENDENCIES, ld_new_LDADD): Remove LIBOBJS
5457 * Makefile.in: Regenerate.
5458 * config.in (HAVE_DECL_MEMMEM, HAVE_DECL_STRNDUP): New.
5459 * configure: Regenerate.
5460 * configure.ac (AC_CHECK_DECLS): Add strndup and memmem.
5461 * fileread.cc: Include sys/state.h
5462 * gold.h: Declare memmem and strndup if found missing.
5463 * gold_reloc.h: Include byteswap.h if HAVE_BYTESWAP_H is defined.
5464
5465 2009-06-23 Ian Lance Taylor <iant@google.com>
5466
5467 * configure.ac: Call AC_CHECK_DECLS using C, not C++.
5468 * configure: Rebuild.
5469
5470 2009-06-23 Ian Lance Taylor <iant@google.com>
5471
5472 PR 10147
5473 * object.cc (Object::section_contents): Don't try to get a view if
5474 the section has length zero.
5475 (Object::handle_gnu_warning_section): If the section is empty, use
5476 the name of the section as the warning.
5477
5478 2009-06-23 Ian Lance Taylor <iant@google.com>
5479
5480 PR 10133
5481 * stringpool.h (class Stringpool_template): Add optimize_ field.
5482 (Stringpool_template::set_optimize): New function.
5483 * stringpool.cc (Stringpool_template::Stringpool_template):
5484 Initialize optimize_ field.
5485 (Stringpool_template::set_string_offsets): Test local optimize
5486 fild rather than parameter.
5487 * layout.cc (Layout::Layout): Call set_optimize on the section
5488 name stringpool.
5489
5490 2009-06-22 Ian Lance Taylor <iant@google.com>
5491
5492 PR 10030
5493 * yyscript.y: Parse TARGET.
5494 * script.cc (script_set_target): New function.
5495 * script-c.h (script_set_target): Declare.
5496 * options.cc (General_options::string_to_object_format): Rename
5497 from string_to_object_format in anonymous namespace. Change
5498 callers.
5499 * options.h (class General_options): Declare
5500 string_to_object_format.
5501
5502 2009-06-22 Ian Lance Taylor <iant@google.com>
5503
5504 * script-sections.cc (Script_sections::create_segments): Don't put
5505 program headers in a PT_LOAD segment if -n or -N.
5506
5507 2009-06-22 Ian Lance Taylor <iant@google.com>
5508
5509 PR 10141
5510 * options.h (class General_options): Add -z lazy and -z now. Sort
5511 -z options into alphabetical order.
5512 * layout.cc (Layout::finish_dynamic_section): Handle -z now.
5513
5514 2009-06-21 Ian Lance Taylor <iant@google.com>
5515
5516 * layout.cc (Layout::make_output_section): Call
5517 Target::new_output_section.
5518 (Layout::attach_allocated_section_to_segment): Put large section
5519 sections in a separate load segment with the large segment flag
5520 set.
5521 (Layout::segment_precedes): Sort large data segments after other
5522 load segments.
5523 (align_file_offset): New static function.
5524 (Layout::set_segment_offsets): Use align_file_offset.
5525 * output.h (class Output_section): Add is_small_section_ and
5526 is_large_section_ fields.
5527 (Output_section::is_small_section): New function.
5528 (Output_section::set_is_small_section): New function.
5529 (Output_section::is_large_section): New function.
5530 (Output_section::set_is_large_section): New function.
5531 (Output_section::is_large_data_section): New function.
5532 (class Output_segment): Add is_large_data_segment_ field.
5533 (Output_segment::is_large_data_segment): New function.
5534 (Output_segment::set_is_large_data_segment): New function.
5535 * output.cc (Output_section::Output_section): Initialize new
5536 fields.
5537 (Output_segment::Output_segment): Likewise.
5538 (Output_segment::add_output_section): Add assertion that large
5539 data sections always go in large data segments. Force small data
5540 sections to the end of the list of data sections. Force small BSS
5541 sections to the start of the list of BSS sections. For large BSS
5542 sections to the end of the list of BSS sections.
5543 * symtab.h (class Symbol): Declare is_common_shndx.
5544 (Symbol::is_defined): Check Symbol::is_common_shndx.
5545 (Symbol::is_common): Likewise.
5546 (class Symbol_table): Define enum Commons_section_type. Update
5547 declarations. Add small_commons_ and large_commons_ fields.
5548 * symtab.cc (Symbol::is_common_shndx): New function.
5549 (Symbol_table::Symbol_table): Initialize new fields.
5550 (Symbol_table::add_from_object): Put small and large common
5551 symbols in the right list.
5552 (Symbol_table::sized_finalized_symbol): Check
5553 Symbol::is_common_shndx.
5554 (Symbol_table::sized_write_globals): Likewise.
5555 * common.cc (Symbol_table::do_allocate_commons): Allocate new
5556 common symbol lists. Don't call do_allocate_commons_list if the
5557 list is empty.
5558 (Symbol_table::do_allocate_commons_list): Remove is_tls
5559 parameter. Add comons_section_type parameter. Change all
5560 callers. Handle small and large common symbols.
5561 * object.cc (Sized_relobj::do_finalize_local_symbols): Check
5562 Symbol::is_common_shndx.
5563 * resolve.cc (symbol_to_bits): Likewise.
5564 * target.h (Target::small_common_shndx): New function.
5565 (Target::small_common_section_flags): New function.
5566 (Target::large_common_shndx): New function.
5567 (Target::large_common_section_flags): New function.
5568 (Target::new_output_section): New function.
5569 (Target::Target_info): Add small_common_shndx, large_common_shndx,
5570 small_common_section_flags, and large_common_section_flags
5571 fields.
5572 (Target::do_new_output_section): New virtual function.
5573 * arm.cc (Target_arm::arm_info): Initialize new fields.
5574 * i386.cc (Target_i386::i386_info): Likewise.
5575 * powerpc.cc (Target_powerpc::powerpc_info) [all versions]:
5576 Likewise.
5577 * sparc.c (Target_sparc::sparc_info) [all versions]: Likewise.
5578 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
5579 (Target_x86_64::do_new_output_section): New function.
5580 * configure.ac: Define conditional MCMODEL_MEDIUM.
5581 * testsuite/Makefile.am (check_PROGRAMS): Add large.
5582 (large_SOURCES, large_CFLAGS, large_DEPENDENCIES): Define.
5583 (large_LDFLAGS): Define.
5584 * testsuite/large.c: New file.
5585 * testsuite/testfile.cc (Target_test::test_target_info):
5586 Initialize new fields.
5587 * configure, testsuite/Makefile.in: Rebuild.
5588
5589 2009-06-05 Doug Kwan <dougkwan@google.com>
5590
5591 * Makefile.am (CCFILES): Add target.cc.
5592 * Makefile.in: Regenerate.
5593 * i386.cc (class Target_i386): Define new virtual method to
5594 override do_is_local_label_name in parent.
5595 * object.cc (Sized_relobj::do_count_local_symbols): Discard
5596 local symbols if --discard-locals or -X is given.
5597 * options.h (class General_options): Declare new options
5598 '--discard-locals' and '-X' for discarding locals.
5599 * target.h (class Target): Define new methods is_local_label_name.
5600 Declare new virtual method do_is_local_label_name.
5601 * target.cc: New file.
5602 * testsuite/Makefile.am (check_PROGRAMS): Add discard_locals_test.
5603 (check_SCRIPTS): Add discard_locals_test.sh.
5604 (check_DATA): Add discard_local_tests.syms.
5605 (discard_locals_test_SOURCES, discard_locals_test_LDFLAGS): Define.
5606 (discard_local_tests.syms, discard_locals_test.o): New make rules.
5607 * testsuite/Makefile.in: Regenerate.
5608 * testsuite/discard_locals_test.c: New file.
5609 * testsuite/discard_locals_test.sh: Same.
5610
5611 2009-06-05 Doug Kwan <dougkwan@google.com>
5612
5613 * object.cc (Sized_relobj::Sized_relobj): Initialize
5614 discarded_eh_frame_shndx_ to -1U.
5615 (Sized_relobj::do_layout): Record index of a discard .eh_frame
5616 section.
5617 (Sized_relobj::do_count_local_symbols): Skip local symbols in
5618 a discarded .eh_frame section.
5619 (Sized_relobj::do_finalize_local_symbols): Ditto.
5620 * object.h (class Sized_relobj): Declare new member
5621 discarded_eh_frame_shndx_.
5622 * testsuite/Makefile.am (check_PROGRAMS): Add local_labels_test.
5623 (local_labels_test.o, local_labels_test): New rules.
5624 * testsuite/Makefile.in: Regenerate.
5625
5626 2009-06-04 Doug Kwan <dougkwan@google.com>
5627
5628 * layout.cc (Layout::section_name_mapping): Add mapping for
5629 special ARM sections.
5630
5631 2009-06-03 Doug Kwan <dougkwan@google.com>
5632
5633 * arm.cc (utils::sign_extend): Reverse test in gold_assert.
5634 (utils::has_overflow): Same.
5635
5636 2009-06-03 Ian Lance Taylor <iant@google.com>
5637
5638 * layout.cc (Layout::section_name_mapping): New array, replacing
5639 Layout::linkonce_mapping.
5640 (Layout::section_name_mapping_count): New variable, replacing
5641 Layout::linkonce_mapping_count.
5642 (Layout::linkonce_output_name): Remove.
5643 (Layout::output_section_name): Rewrite.
5644 * layout.h (class Layout): Rename Linkonce_mapping to
5645 Section_name_mapping, linkonce_mapping to section_name_mapping,
5646 linkonce_mapping_count to section_name_mapping_count. Don't
5647 declare linkonce_output_name.
5648
5649 2009-06-03 Doug Kwan <dougkwan@google.com>
5650
5651 * gold/arm.cc (namespace utils): New.
5652 (Target_arm::reloc_is_non_pic): Define new method.
5653 (class Arm_relocate_functions): New.
5654 (Target_arm::Relocate::relocate): Handle relocation types used by
5655 Android.
5656
5657 2009-06-03 Ian Lance Taylor <iant@google.com>
5658
5659 * arm.cc (Target_arm::scan::global): Use || instead of |.
5660
5661 2009-06-02 Doug Kwan <dougkwan@google.com>
5662
5663 * gold/arm.cc (Target_arm::Scan::Scan): Initialize
5664 issued_non_pic_error_.
5665 (class Target_arm::Scan): Declare new method check_non_pic.
5666 Define new method symbol_needs_plt_entry.
5667 Declare new data member issued_non_pic_error_.
5668 (class Target_arm::Relocate): Declare new method
5669 should_apply_static_reloc.
5670 (Target_arm::may_need_copy_reloc): Handle STT_ARM_TFUNC.
5671 (Target_arm::Scan::check_non_pic): Define new method.
5672 (Target_arm::Scan::local): Handle a small subset of reloc types used
5673 by Android.
5674 (Target_arm::Scan::local): Same.
5675 (Target_arm::Relocate::should_apply_statci_reloc): Define new method.
5676
5677 2009-05-31 Mikolaj Zalewski <mikolajz@google.com>
5678
5679 * incremental.cc (Incremental_inputs::report_command_line): Filter
5680 out --incremental-* options.
5681
5682 2009-05-29 Doug Kwan <dougkwan@google.com>
5683
5684 * gold/arm.cc (Output_data_plt_arm): Forward declaration for new
5685 template class.
5686 (class Target_arm): Update comment.
5687 (Target_arm::Target_arm): Initialize new data members GOT_,
5688 PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_ and DYNBSS_.
5689 Declare new methods Target_arm::got_section, Target_arm::make_plt_entry
5690 and Target_arm::rel_dyn_section.
5691 Declare new_enum Target_arm::Got_type.
5692 Declare new data members GOT_, PLT_, GOT_PLT_, REL_DYN_, COPY_RELOCS_
5693 and DYNBSS_.
5694 Update commments for member do_dynsym_value.
5695 (Target_arm::got_size, Target_arm::plt_section,
5696 Target_arm::may_need_copy_reloc and Target_arm::copy_reloc): Define
5697 new methods inside class defintion.
5698 (Target_arm::got_section): Define new method.
5699 (Target_arm::rel_dyn_section): Same.
5700 (Output_data_plt_arm): New template class.
5701 (Output_data_plt_arm::Output_data_plt_arm): Define constructor.
5702 (Output_data_plt_arm:do_adjust_output_section): Define new method.
5703 (Output_data_plt_arm::add_entry): Same.
5704 (Output_data_plt_arm::first_plt_entry): Define new
5705 static data member for PLT instruction template.
5706 (Output_data_plt_arm::plt_entry): Same.
5707 (Output_data_plt_arm::do_write): Define new method.
5708 (Target_arm::make_plt_entry): Same.
5709 (Target_arm::do_finalize_sections): Same.
5710 (Target_arm::do_dynsym_value): Same.
5711
5712 2009-05-28 Doug Kwan <dougkwan@google.com>
5713
5714 * Makefile.am (TARGETSOURCES): Add arm.cc.
5715 (ALL_TARGETOBJECTS): Add arm.$(OBJEXT)
5716 * Makefile.in: Regenerate.
5717 * arm.cc: New file.
5718 * configure.tgt: Add armbe*-*-*, armeb*-*-* and arm*-*-* targets.
5719
5720 2009-05-26 Doug Kwan <dougkwan@google.com>
5721
5722 * options.cc (General_options::parse_exclude_libs). Fix a comment.
5723 (General_options::check_excluded_libs): Strip off directories in
5724 archive name before matching like GNU ld does.
5725 * testsuite/Makefile.am (MOSTLYCLEANFILES,
5726 exclude_libs_test_DEPENDENCIES): Add alt/libexclude_libs_test_3.a
5727 (exclude_libs_test_LDFLAGS): Add linker option
5728 -Wl,--exclude-libs,libexclude_libs_test_3
5729 (exclude_libs_test_LADD): Add alt/libexclude_libs_test_3.a as
5730 an explicit archive without using -l.
5731 (alt/libexclude_libs_test_3.a): New make rule.
5732 * testsuite/Makefile.in: Regenerate.
5733 * testsuite/exclude_libs_test.c : Declare lib3_default().
5734 (main): Call it.
5735 * exclude_libs_test.sh: Add tests for alt/exclude_libs_test_3.a.
5736 * exclude_libs_test_3.c: New file.
5737
5738 2009-05-26 Nick Clifton <nickc@redhat.com>
5739
5740 * po/id.po: New Indonesian translation.
5741 * po/gold.pot: Updated template file.
5742
5743 2009-05-22 Sriraman Tallam <tmsriram@google.com>
5744
5745 * testsuite/Makefile.am: Add -ffunction-sections to compile
5746 gc_comdat_test files. Add -Wl,--gc-sections to build
5747 gc_comdat_test.
5748 * testsuite/Makefile.in: Regenerate.
5749 * testsuite/gc_comdat_test.sh: Fix the condition around grep.
5750
5751 2009-05-21 Sriraman Tallam <tmsriram@google.com>
5752
5753 * object.cc (Sized_relobj::map_to_kept_section): Return NULL if the
5754 kept comdat section was garbage collected.
5755 * testsuite/Makefile.am: Add test gc_comdat_test.sh.
5756 * testsuite/Makefile.in: Regenerate.
5757 * testsuite/gc_comdat_test.sh: New file.
5758 * testsuite/gc_comdat_test_1.cc: New file.
5759 * testsuite/gc_comdat_test_2.cc: New file.
5760
5761 2009-05-19 Doug Kwan <dougkwan@google.com>
5762
5763 * archive.cc (Archive::Archive): Move constructor from archive.h
5764 to here. Initialize no_export_.
5765 (Archive::get_elf_object_for_member): Set no_export flag of object.
5766 * archive.h (Archive::Archive): Move constructor body to
5767 archive.cc.
5768 (Archive::no_export): New method.
5769 (Archive::no_export_): New field.
5770 * object.h (Object::Object): Initialize no_export_ to false.
5771 (Object::no_export, Object::set_no_export): New methods.
5772 (Object::no_export_): New field.
5773 * options.cc (General_options::parse_exclude_libs): New method.
5774 (General_options::check_excluded_libs) Same.
5775 * options.h (exclude_libs): New option.
5776 (General_options::check_excluded_libs): New method declaration.
5777 (General_options::excluded_libs_): New field.
5778 * symtab.cc (Symbol_table::add_from_relobj): Hide symbols with
5779 default or protected visibility if an object has no-export flag set.
5780 testsuite/Makefile.am (check_PROGRAMS): Add exclude_libs_test.
5781 (check_SCRIPTS): Add exclude_libs_test.sh.
5782 (check_DATA): Add exclude_libs_test.syms.
5783 (MOSTLYCLEANFILES): Add exclude_libs_test.syms,
5784 libexclude_libs_test_1.a and libexclude_libs_test_2.a.
5785 (exclude_libs_test_SOURCES, exclude_libs_test_DEPENDENCIES,
5786 exclude_libs_test_LDFLAGS and exclude_libs_test_LDADD): Define.
5787 (exclude_libs_test.syms, libexclude_libs_test_1.a,
5788 libexclude_libs_test_2.a): New rules.
5789 * testsuite/Makefile.in: Regenerate.
5790 * testsuite/exclude_libs_test.c: New file.
5791 * testsuite/exclude_libs_test.sh: Ditto.
5792 * testsuite/exclude_libs_test_1.c: Ditto.
5793 * testsuite/exclude_libs_test_2.c: Ditto.
5794
5795 2009-05-15 Ian Lance Taylor <iant@google.com>
5796
5797 * configure.ac: Check for declarations for cases where libiberty.h
5798 checks HAVE_DECL_xxx.
5799 * configure, config.in: Rebuild.
5800
5801 2009-05-15 Mikolaj Zalewski <mikolajz@google.com>
5802
5803 * gold.h (Incremental_argument_list): Remove (invalid) forward
5804 declaration.
5805 * incremental.cc (Incremental_inputs::report_achive): New method.
5806 (Incremental_inputs::report_object): New method.
5807 (Incremental_inputs::report_script): New method.
5808 (Incremental_inputs::finalize_inputs): New method.
5809 (Incremental_inputs::finalize): Call finalize_inputs().
5810 (Incremental_inputs::sized_create_incremental_inputs_section_data):
5811 Create inputs entries.
5812 * incremental.h (Incremental_input_type): New enum.
5813 (Incremental_inputs::Incremental_input): Initialize new fields.
5814 (Incremental_inputs::report_inputs): New method.
5815 (Incremental_inputs::report_achive): New method.
5816 (Incremental_inputs::report_object): New method.
5817 (Incremental_inputs::report_script): New method.
5818 (Incremental_inputs::finalize_inputs): New method.
5819 (Incremental_inputs::Input_info): New struct.
5820 (Incremental_inputs::Input_info_map): New typedef.
5821 (Incremental_inputs::lock_): New field.
5822 (Incremental_inputs::Inputs_): New field.
5823 (Incremental_inputs::Inputs_map): New field.
5824 * main.cc (main): Call Incremental_input::report_inputs.
5825 * options.h (Input_argument_list): Typedef moved from
5826 Input_arguments.
5827 (Input_file_group::Files): Remove, use ::Input_argument_list.
5828 (Input_file_group::Input_argument_list): Remove, use
5829 ::Input_argument_list.
5830 * plugin.cc (Plugin_manager::add_input_file): Add error in
5831 incremental build.
5832 * read_syms.cc (do_read_syms): Call Incremental_input::report_*
5833 functions.
5834 * script.cc (read_input_script): Call
5835 Incremental_input::report_script.
5836 * script.h (Script_info): New class.
5837
5838 2009-04-27 Ian Lance Taylor <iant@google.com>
5839
5840 * x86_64.cc (do_adjust_output_section): Set entsize to
5841 plt_entry_size.
5842
5843 2009-04-23 Elliott Hughes <enh@google.com>
5844
5845 * output.cc (Output_file::close): After short writes, continue
5846 writing from the correct offset in the buffer being written.
5847
5848 2009-04-23 Chris Demetriou <cgd@google.com>
5849
5850 * configure.ac (HAVE_TR1_UNORDERED_MAP_REHASH): New define.
5851 * configure: Regenerate.
5852 * config.in: Regenerate.
5853 * gold.h: Avoid std::tr1::unordered_map and std::tr1::unordered_set
5854 if HAVE_TR1_UNORDERED_MAP_REHASH is not defined.
5855
5856 2009-04-21 Mikolaj Zalewski <mikolajz@google.com>
5857
5858 * incremental.cc (Incremental_inputs_header_data): Renamed from
5859 Incremental_input_header_data.
5860 (Incremental_inputs_header_data::data_size): New field.
5861 (Incremental_inputs_header_data::put_input_file_count): Renamed
5862 from input_file_count.
5863 (Incremental_inputs_header_data::put_command_line_offset): Renamed
5864 from command_line_offset.
5865 (Incremental_inputs_header_data::put_reserved): Renamed from
5866 put_reserved.
5867 (Incremental_inputs_entry_data): Renamed from
5868 Incremental_input_entry_data.
5869 (Incremental_inputs_entry_data::data_size): New field.
5870 (Incremental_inputs::report_command_line): New method.
5871 (Incremental_inputs::finalize): New method.
5872 (Incremental_inputs::create_incremental_inputs_data): New method.
5873 (Incremental_inputs::sized_create_incremental_inputs_data): New method.
5874 * incremental.h: New file.
5875 * layout.cc (Layout::Layout): Handle new incremental_inputs_.
5876 (Layout::finalize): Create incremental inputs section in
5877 incremental builds.
5878 (Layout::create_incremental_info_sections): New method.
5879 * layout.h (Layout::incremental_inputs): New method.
5880 (Layout::create_incremental_info_sections): New method.
5881 (Layout::incremental_inputs_): New field.
5882 * main.cc (main): Notify Incremental_input of the command line.
5883
5884 2009-04-01 Ian Lance Taylor <iant@google.com>
5885 Mikolaj Zalewski <mikolajz@google.com>
5886
5887 * gold.h (reserve_unordered_map): Define, three versions, one for
5888 each version of Unordered_map.
5889 * layout.cc (Layout::Layout): Remove options parameter. Add
5890 number_of_input_files parameter. Don't initialize options_.
5891 Initialize number_of_input_files_ and resized_signatures_. Move
5892 sections_are_attached_.
5893 (Layout::layout_group): Reserve space for group_signatures_.
5894 (Layout::find_or_add_kept_section): Change name parameter to be a
5895 reference. Resize signatures_ map when it gets large enough.
5896 (Layout::layout_eh_frame): Use parameters->options() instead of
5897 this->options_.
5898 (Layout::make_output_section): Likewise.
5899 (Layout::attach_allocated_section_to_segment): Likewise.
5900 (Layout::finalize, Layout::create_executable_stack): Likewise.
5901 (Layout::set_segment_offsets, Layout::create_interp): Likewise.
5902 (Layout::finish_dynamic_section, Layout::write_binary): Likewise.
5903 * layout.h (class Layout): Update declarations. Remove options_
5904 field. Add number_of_input_files_ and resized_signatures_
5905 fields. Move sections_are_attached_ field.
5906 * main.cc (main): Pass number of input files to Layout
5907 constructor. Don't pass options.
5908
5909 2009-03-30 Ian Lance Taylor <iant@google.com>
5910
5911 * ffsll.c (ffsll): Correct implementation.
5912
5913 2009-03-27 Ian Lance Taylor <iant@google.com>
5914
5915 * ffsll.c: New file.
5916 * configure.ac: Call AC_REPLACE_FUNCS on ffsll.
5917 * gold.h (ffsll): Declare if HAVE_FFSLL is not defined.
5918 * ftruncate.c (ftruncate): Declare before definition.
5919 * mremap.c (mremap): Likewise.
5920 * pread.c (pread): Likewise.
5921 * configure, Makefile.in, config.in: Rebuild.
5922
5923 * mremap.c: New file.
5924 * configure.ac: Call AC_REPLACE_FUNCS on mremap.
5925 * gold.h (MREMAP_MAYMOVE): Define if HAVE_MREMAP is not defined.
5926 (mremap): Declare if HAVE_MREMAP is not defined.
5927 * configure, Makefile.in, config.in: Rebuild.
5928
5929 2009-03-27 Cary Coutant <ccoutant@google.com>
5930
5931 * powerpc.cc (Target_powerpc::check_non_pic): Assert that output is
5932 position independent.
5933 * sparc.cc (Target_sparc::check_non_pic): Likewise.
5934 * x86_64.cc (Target_x86_64::check_non_pic): Likewise.
5935
5936 2009-03-24 Cary Coutant <ccoutant@google.com>
5937
5938 * symtab.h (needs_plt_entry): Check for unsatisfied reference from
5939 an executable.
5940 (needs_dynamic_reloc): Likewise.
5941
5942 2009-03-24 Ian Lance Taylor <iant@google.com>
5943
5944 * yyscript.y (file_cmd): Recognize EXTERN.
5945 (extern_name_list, extern_name_list_body): New nonterminals.
5946 * script.cc (script_add_extern): Define.
5947 * script-c.h (script_add_extern): Declare.
5948
5949 2009-03-24 Rafael Avila de Espindola <espindola@google.com>
5950
5951 * object.cc (is_elf_object): Define.
5952 * object.h (is_elf_object): Declare.
5953 * archive.cc (Archive::get_elf_object_for_member): Call
5954 is_elf_object.
5955 * readsyms.cc (Read_symbols::do_read_symbols): Likewise.
5956
5957 2009-03-24 Elliott Hughes <enh@google.com>
5958
5959 * output.cc (Output_file::map_anonymous): Define.
5960 (Output_file::map): Use map_anonymous. If the regular mmap fails,
5961 try an anonymous one. Report the size if the mmap fails.
5962 * output.h (class Output_file): Declare map_anonymous.
5963
5964 2009-03-24 Ian Lance Taylor <iant@google.com>
5965
5966 * target-select.cc (instantiate_target): Don't acquire the lock if
5967 the instantiated_target_ field has already been set.
5968
5969 2009-03-23 Ian Lance Taylor <iant@google.com>
5970
5971 * gold-threads.h (class Initialize_lock): Define.
5972 * gold-threads.cc (class Initialize_lock_once): Define.
5973 (initialize_lock_control): New static variable.
5974 (initialize_lock_pointer): New static variable.
5975 (initialize_lock_once): New static function.
5976 (Initialize_lock::Initialize_lock): Define.
5977 (Initialize_lock::initialize): Define.
5978 * target-select.h: Include "gold-threads.h".
5979 (class Target_selector): Add lock_ and initialize_lock_ fields.
5980 Don't define instantiate_target, just declare it.
5981 * target-select.cc (Target_selector::Target_selector): Initialize
5982 new fields.
5983 (Target_selector::instantiate_target): Define.
5984 * descriptors.h: Include "gold-threads.h".
5985 (class Descriptors): Add initialize_lock_ field.
5986 * descriptors.cc (Descriptors::Descriptors): Initialize new
5987 field.
5988 (Descriptors::open): Use initialize_lock_ field
5989 * errors.h (class Errors): Add initialize_lock_ field.
5990 * errors.cc (Errors::Errors): Initialize new field.
5991 (Errors::initialize_lock): Use initialize_lock_ field.
5992 * powerpc.cc (class Target_selector_powerpc): Remove
5993 instantiated_target_ field. In do_recognize call
5994 instantiate_target rather than do_instantiate_target. In
5995 do_instantiate_target just allocate a new target.
5996 * sparc.cc (class Target_selector_sparc): Likewise.
5997
5998 * freebsd.h: New file.
5999 * i386.cc: Include "freebsd.h".
6000 (Target_i386): Derive from Target_freebsd rather than
6001 Sized_target.
6002 (Target_selector_i386): Derive from Target_selector_freebsd rather
6003 than Target_selector.
6004 * x86_64.cc: Include "freebsd.h".
6005 (Target_x86_64): Derive from Target_freebsd rather than
6006 Sized_target.
6007 (Target_selector_x86_64): Derive from Target_selector_freebsd
6008 rather than Target_selector.
6009 * target.h (class Target): Add adjust_elf_header and
6010 do_adjust_elf_header.
6011 * output.cc (Output_file_header:: do_sized_write): Call target
6012 adjust_elf_header routine.
6013 * configure.tgt: Set targ_osabi.
6014 * configure.ac: Define GOLD_DEFAULT_OSABI.
6015 * parameters.cc (Parameters::default_target): Pass
6016 GOLD_DEFAULT_OSABI to select_target.
6017 * target-select.h (class Target_selector): Make instantiate_target
6018 protected rather than private.
6019 * Makefile.am (HFILES): Add freebsd.h.
6020 * configure, Makefile.in, config.in: Rebuild.
6021
6022 * merge.cc (do_add_input_section): Correct pend value. Change
6023 message about last entry not being null terminated from error to
6024 warning.
6025
6026 2009-03-20 Mikolaj Zalewski <mikolajz@google.com>
6027
6028 * incremental.cc: New file.
6029 * Makefile.am (CCFILES): Add incremental.cc.
6030 * Makefile.in: Rebuild.
6031
6032 2009-03-19 Paul Pluzhnikov <ppluzhnikov@google.com>
6033
6034 * layout.cc (Layout::output_section_name): Preserve names
6035 of '.note.' sections.
6036
6037 2009-03-19 Ian Lance Taylor <iant@google.com>
6038
6039 * descriptors.cc (Descriptors::open): Check that the options are
6040 valid before using them.
6041
6042 2009-03-18 Ian Lance Taylor <iant@google.com>
6043
6044 * script-sections.h: Include <list>.
6045 (class Script_sections): Change Sections_elements from std::vector
6046 to std::list. Typedef public Elements_iterator. Add
6047 orphan_section_placement_, data_segment_align_start_, and
6048 saw_data_segment_align_ fields. Remove data_segment_align_index_
6049 field.
6050 * script-sections.cc (class Orphan_section_placement): New class.
6051 (class Sections_element): Add virtual functions is_relro and
6052 orphan_section_init. Remove virtual function place_orphan_here.
6053 (class Output_section_definition): Add is_relro and
6054 orphan_section_init. Remove place_orphan_here.
6055 (class Orphan_output_section): Likewise.
6056 (Script_sections::Script_sections): Update for field changes.
6057 (Script_sections::data_segment_align): Set saw_data_segment_align_
6058 and data_segment_align_start_, not data_segment_align_index.
6059 (Script_sections::data_segment_relro_end): Check
6060 saw_data_segment_align_. Use data_segment_align_start_ rather
6061 than data_segment_align_index_.
6062 (Script_sections::place_orphan): Rewrite to use
6063 Orphan_section_placement.
6064
6065 2009-03-17 Ian Lance Taylor <iant@google.com>
6066
6067 * archive.cc (Archive::add_symbols): Check for a version attached
6068 to the symbol name in the archive map.
6069 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_11.
6070 (ver_test_11_SOURCES, ver_test_11_DEPENDENCIES): Define.
6071 (ver_test_11_LDFLAGS, ver_test_11_LDADD): Define.
6072 (ver_test_11.a): New target.
6073 * testsuite/Makefile.in: Rebuild.
6074
6075 * configure.ac: Check for chsize and posix_fallocate. Replace
6076 ftruncate.
6077 * ftruncate.c: New file, from gnulib.
6078 * output.cc (posix_fallocate): Define dummy version if not
6079 HAVE_POSIX_FALLOCATE.
6080 (Output_file::map): Call posix_fallocate rather than lseek and
6081 write.
6082 * gold.h (ftruncate): Declare if not HAVE_FTRUNCATE.
6083 * configure, Makefile.in, config.in: Rebuild.
6084
6085 2009-03-17 Paul Pluzhnikov <ppluzhnikov@google.com>
6086
6087 * layout.h (Layout::create_note): Add section_name parameter.
6088 * layout.cc (Layout::create_note): Likewise.
6089 (Layout::create_build_id, Layout::create_gold_note): Fix callers.
6090
6091 2009-03-17 Ian Lance Taylor <iant@google.com>
6092
6093 * descriptors.cc: Include "options.h".
6094 (FD_CLOEXEC, O_CLOEXEC): Define if not defined.
6095 (Descriptors::open): Always use O_CLOEXEC when opening a new
6096 descriptor. If we have a plugin, and O_CLOEXEC was not defined,
6097 then set FD_CLOEXEC.
6098
6099 * sparc.cc (class Target_sparc): Add has_got_section.
6100 (Target_sparc::Scan::global): If we see _GLOBAL_OFFSET_TABLE_,
6101 make sure we have a GOT section.
6102
6103 * sparc.cc (optimize_tls_reloc): Recognize R_SPARC_TLS_IE_ADD.
6104 (Target_sparc::Scan::local): Likewise.
6105 (Target_sparc::Scan::global): Likewise.
6106 (Target_sparc::Relocate::relocate): Likewise.
6107 (Target_sparc::Relocate::relocate_tls): Likewise.
6108
6109 * symtab.cc (Symbol_table::define_default_version): New function,
6110 broken out of add_from_object.
6111 (Symbol_table::add_from_object): Call define_default_version.
6112 (Symbol_table::define_special_symbol): Add resolve_oldsym
6113 parameter. Change all callers. If the version for a symbol comes
6114 from a version script, resolve it with the symbol with the same
6115 name with no version. Also add the symbol without a version if
6116 appropriate.
6117 (do_define_in_output_data): If resolving with oldsym, don't delete
6118 sym.
6119 (do_define_in_output_segment): Likewise.
6120 (do_define_as_constant): Likewise.
6121 * symtab.h (class Symbol_table): Update declarations.
6122
6123 2009-03-13 Ian Lance Taylor <iant@google.com>
6124
6125 * readsyms.cc (Read_symbols::incompatible_warning): New function.
6126 (Read_symbols::requeue): New function.
6127 (Read_symbols::do_read_symbols): If make_elf_object fails because
6128 the target type is not configured, and the file was searched for,
6129 issue a warning and retry with the next directory.
6130 (Add_symbols::run): If the file has an incompatible format, and
6131 it was searched for, requeue the Read_symbols task. On error,
6132 release the object.
6133 * readsyms.h (class Read_symbols): Add dirindex_ field. Add
6134 dirindex parameter to constructor. Change all callers. Declare
6135 incompatible_warning and requeue.
6136 (class Add_symbols): Add dirpath_, dirindex_, mapfile_,
6137 input_argument_ and input_group_ fields. Add them to
6138 constructor. Change all callers.
6139 (class Read_script): Add dirindex_ field. Add it to constructor.
6140 Change all callers.
6141 * archive.cc (Archive::setup): Remove input_objects parameter.
6142 Change all callers.
6143 (Archive::get_file_and_offset): Likewise.
6144 (Archive::read_all_symbols): Likewise.
6145 (Archive::read_symbols): Likewise.
6146 (Archive::get_elf_object_for_member): Remove input_objects
6147 parameter. Add punconfigured parameter. Change all callers.
6148 (Archive::add_symbols): Change return type to bool. Check return
6149 value of include_member.
6150 (Archive::include_all_members): Likewise.
6151 (Archive::include_member): Change return type to bool. Return
6152 false if first included object has incompatible target. Set
6153 included_member_ field.
6154 (Add_archive_symbols::run): If add_symbols returns false, requeue
6155 Read_symbols task.
6156 * archive.h (class Archive): Add included_member_ field.
6157 Initialize it in constructor. Add input_file and searched_for
6158 methods. Update declarations.
6159 (class Add_archive_symbols): Add dirpath_, dirindex_, and
6160 input_argument_ fields. Add them to constructor. Change all
6161 callers.
6162 * script.cc: Include "target-select.h".
6163 (class Parser_closure): Add skip_on_incompatible_target_ and
6164 found_incompatible_target_ fields. Add
6165 skip_on_incompatible_target parameter to constructor. Change all
6166 callers. Add methods skip_on_incompatible_target,
6167 clear_skip_on_incompatible_target, found_incompatible_target, and
6168 set_found_incompatible_target.
6169 (read_input_script): Add dirindex parameter. Change all callers.
6170 If parser finds an incompatible target, requeue Read_symbols
6171 task.
6172 (script_set_symbol): Clear skip_on_incompatible_target in
6173 closure.
6174 (script_add_assertion, script_parse_option): Likewise.
6175 (script_start_sections, script_add_phdr): Likewise.
6176 (script_check_output_format): New function.
6177 * script.h (read_input_script): Update declaration.
6178 * script-c.h (script_check_output_format): Declare.
6179 * yyscript.y (file_cmd): Handle OUTPUT_FORMAT.
6180 (ignore_cmd): Remove OUTPUT_FORMAT.
6181 * fileread.cc (Input_file::Input_file): Add explicit this.
6182 (Input_file::will_search_for): New function.
6183 (Input_file::open): Add pindex parameter. Change all callers.
6184 * fileread.h (class Input_file): Add input_file_argument method.
6185 Declare will_search_for. Update declarations.
6186 * object.cc (make_elf_object): Add punconfigured parameter.
6187 Change all callers.
6188 * object.h (class Object): Make input_file public. Add
6189 searched_for method.
6190 (make_elf_object): Update declaration.
6191 * dirsearch.cc (Dirsearch::find): Add pindex parameter. Use it to
6192 restart search.
6193 * dirsearch.h (class Dirsearch): Update declaration.
6194 * options.h (class General_options): Add --warn-search-mismatch.
6195 * parameters.cc (Parameters::is_compatible_target): New function.
6196 * parameters.h (class Parameters): Declare is_compatible_target.
6197 * workqueue.cc (Workqueue::add_blocker): New function.
6198 * workqueue.h (class Workqueue): Declare add_blocker.
6199
6200 * fileread.cc (Input_file::open): Remove options parameter.
6201 Change all callers.
6202 (Input_file::open_binary): Likewise.
6203 * script.cc (read_input_script): Likewise.
6204 * readsyms.h (class Read_symbols): Remove options_ field. Remove
6205 options parameter from constructor. Change all callers.
6206 (class Read_script): Likewise.
6207 * fileread.h (class Input_file): Update declarations.
6208 * script.h (read_input_script): Update declaration.
6209
6210 2009-03-10 Nick Clifton <nickc@redhat.com>
6211
6212 * po/es.po: New Spanish translation.
6213
6214 2009-03-06 Cary Coutant <ccoutant@google.com>
6215
6216 * options.cc (parse_short_option): Keep dash_z from registering itself.
6217
6218 2009-03-03 Ian Lance Taylor <iant@google.com>
6219
6220 PR 9918
6221 * target-reloc.h (relocate_section): Pass output_section to
6222 relocate.
6223 * i386.cc (Target_i386::should_apply_static_reloc): Add
6224 output_section parameter. Change all callers.
6225 (Target_i386::Relocate::relocate): Add output_section parameter.
6226 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6227 * sparc.cc (Target_sparc::Relocate::relocate): Likewise.
6228 * powerpc.cc (Target_powerpc::Relocate::relocate): Likewise.
6229 * testsuite/two_file_shared.sh: New script.
6230 * testsuite/Makefile.am (check_SCRIPTS): Add two_file_shared.sh.
6231 (check_DATA): Add two_file_shared.dbg.
6232 (two_file_shared.dbg): New target.
6233 * testsuite/Makefile.in: Rebuild.
6234
6235 2009-03-01 Ian Lance Taylor <iant@google.com>
6236
6237 * configure.ac: Check for byteswap.h.
6238 * configure: Rebuild.
6239 * config.in: Rebuild.
6240
6241 2009-03-01 Mikolaj Zalewski <mikolajz@google.com>
6242
6243 * layout.cc (Layout::find_or_add_kept_section): New function.
6244 (Layout::add_comdat): Removed.
6245 * layout.h (struct Kept_section): Move out of class Layout.
6246 Remove trailing underscores from field names. Add group_sections
6247 field. Rename group_ field to is_group. Change all uses.
6248 (class Layout): Declare find_or_add_kept_section, not add_comdat.
6249 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
6250 comdat_groups_ field.
6251 (Sized_relobj::include_section_group): Use
6252 find_or_add_kept_section and Kept_section::group_sections.
6253 (Sized_relobj::include_linkonce_section): Likewise.
6254 * object.cc (class Sized_relobj): Don't define Comdat_group or
6255 Comdat_group_table. Remove find_comdat_group and
6256 add_comdat_group. Remove comdat_groups_ field.
6257 * plugin.cc (include_comdat_group): Use
6258 Layout::find_or_add_kept_section.
6259
6260 2009-02-28 Ian Lance Taylor <iant@google.com>
6261
6262 * README: --gc-sections and map files are now supported. Document
6263 some build requirements.
6264
6265 PR 6992
6266 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
6267 relocatable link set the value of the section symbol to zero.
6268 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
6269 relocatable link don't include the section address in the local
6270 symbol value.
6271
6272 2009-02-27 Ian Lance Taylor <iant@google.com>
6273
6274 PR 6811
6275 * options.h (class Search_directory): Add is_system_directory.
6276 (class General_options): Declare is_in_system_directory.
6277 * options.cc (get_relative_sysroot): Make static.
6278 (get_default_sysroot): Make static.
6279 (General_optoins::is_in_system_directory): New function.
6280 * fileread.cc (Input_file::is_in_system_directory): New function.
6281 * fileread.h (class Input_file): Declare is_in_system_directory.
6282 * object.h (class Object): Add is_in_system_directory.
6283 (class Input_objects): Remove system_library_directory_ field.
6284 * object.cc (Input_objects::add_object): Don't set
6285 system_library_directory_.
6286 (input_objects::found_in_system_library_directory): Remove.
6287 * symtab.cc (Symbol_table::write_globals): Remove input_objects
6288 parameter. Change all callers.
6289 (Symbol_table::sized_write_globals): Likewise.
6290 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
6291 Call Object::is_in_system_directory.
6292 * symtab.h (class Symbol_table): Update declarations.
6293
6294 PR 5990
6295 * descriptors.h (Open_descriptor): Add is_on_stack field.
6296 * descriptors.cc (Descriptors::open): If the descriptor is on the
6297 top of the stack, remove it. Initialize is_on_stack field.
6298 (Descriptors::release): Only add pod to stack if it is not on the
6299 stack already.
6300 (Descriptors::close_some_descriptor): Clear stack_next and
6301 is_on_stack fields.
6302
6303 PR 7091
6304 * output.cc (Output_section::find_starting_output_address): Rename
6305 from starting_output_address; add PADDR parameter; change return
6306 type.
6307 * output.h (class Output_section): Declare
6308 find_starting_output_address instead of starting_output_address.
6309 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
6310 section symbol for which we can't find a merge section.
6311
6312 PR 9836
6313 * symtab.cc (Symbol_table::add_from_object): If the visibility is
6314 hidden or internal, force the symbol to be local.
6315 * resolve.cc (Symbol::override_visibility): Define.
6316 (Symbol::override_base): Use override_visibility.
6317 (Symbol_table::resolve): Likewise.
6318 (Symbol::override_base_with_special): Likewise.
6319 (Symbol_table::override_with_special): If the visibility is hidden
6320 or internal, force the symbol to be local.
6321 * symtab.h (class Symbol): Add set_visibility and
6322 override_visibility.
6323 * testsuite/ver_test_1.sh: New file.
6324 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
6325 (check_DATA): Add ver_test_1.syms.
6326 (ver_test_1.syms): New target.
6327 * testsuite/Makefile.in: Rebuild.
6328
6329 2009-02-25 Cary Coutant <ccoutant@google.com>
6330
6331 * layout.cc (Layout::choose_output_section): Don't rename sections
6332 when using a linker script that has a SECTIONS clause.
6333 * Makefile.in: Regenerate.
6334
6335 * testsuite/Makefile.am (script_test_5.sh): New test case.
6336 * testsuite/Makefile.in: Regenerate.
6337 * testsuite/script_test_5.cc: New file.
6338 * testsuite/script_test_5.sh: New file.
6339 * testsuite/script_test_5.t: New file.
6340
6341 2009-02-13 Rafael Avila de Espindola <espindola@google.com>
6342
6343 * archive.cc (Archive::include_member): Update calls to add_symbols.
6344 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
6345 the Layout argument.
6346 * dynobj.h (do_add_symbols): Add the Layout argument.
6347 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
6348 Layout argument.
6349 * object.h (Object::add_symbols): Add the Layout argument.
6350 (Object::do_add_symbols): Add the Layout argument.
6351 (Sized_relobj::do_add_symbols): Add the Layout argument.
6352 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
6353 Unify the two versions.
6354 (Add_plugin_symbols): Remove.
6355 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
6356 (Sized_pluginobj::do_add_symbols): Unify the two versions.
6357 (Add_plugin_symbols): Remove.
6358 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
6359 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
6360 (Add_symbols::run): Make it work with Pulginobj.
6361
6362 2009-02-06 Ian Lance Taylor <iant@google.com>
6363
6364 * object.cc (Sized_relobj::do_layout): Make info message start
6365 with lower case letter.
6366
6367 2009-02-06 Mikolaj Zalewski <mikolajz@google.com>
6368
6369 * binary.cc: Fix file comment.
6370
6371 * options.h (enum Incremental_disposition): Define.
6372 (class General_options): Add new options: --incremental,
6373 --incremental_changed, --incremental_unchanged,
6374 --incremental_unknown. Add incremental_disposition_ and
6375 implicit_incremental_ fields.
6376 (General_options::incremental_disposition): New function.
6377 (class Position_dependent_options): Add incremental_disposition
6378 option.
6379 (Position_dependent_options::copy_from_options): Set incremental
6380 dispositions.
6381 * options.cc (General_options::parse_incremental_changed): New
6382 function.
6383 (General_options::parse_incremental_unchanged): New function.
6384 (General_options::parse_incremental_unknown): New function.
6385 (General_options::General_options): Initialize new fields
6386 incremental_disposition_ and implicit_incremental_.
6387 (General_options::finalize): Check for uasge of --incremental-*
6388 without --incremental.
6389
6390 2009-02-06 Chris Demetriou <cgd@google.com>
6391
6392 * gold.h (gold_undefined_symbol): Change to take only a Symbol
6393 pointer and to report location as the file name associated with
6394 the symbol.
6395 (gold_undefined_symbol_at_location): New function to replace the
6396 old gold_undefined_symbol functionality.
6397 * target-reloc.h (relocate_section): Update to use
6398 gold_undefined_symbol_at_location.
6399 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
6400 Call gold_undefined_symbol function rather than gold_error.
6401 * errors.h (Errors::undefined_symbol): Take location as a
6402 string, rather than calculating it from a relocation.
6403 * errors.cc (Errors::fatal): Print "fatal error:" before the
6404 formatted message.
6405 (Errors::error, Errors::error_at_location): Print "error: "
6406 before the formatted message.
6407 (Errors::undefined_symbol): Take location as a string, rather
6408 than calculating it from a relocation.
6409 (gold_undefined_symbol_at_location): New function akin to
6410 old gold_undefined_symbol, calculates location from relocation.
6411 (gold_undefined_symbol): Change to take only a Symbol pointer
6412 and to report location as the file name associated with the symbol.
6413 * testsuite/debug_msg.sh: Update for changed error messages.
6414 * testsuite/undef_symbol.sh: Likewise.
6415
6416 2009-02-04 Duncan Sands <baldrick@free.fr>
6417
6418 PR 9812
6419 * reduced_debug_output.h
6420 (Output_reduced_debug_abbrev_section::failed): Use format for
6421 gold_warning.
6422 (Output_reduced_debug_info_section::faild): Likewise.
6423
6424 2009-01-31 Mikolaj Zalewski <mikolajz@google.com>
6425
6426 * script.cc (Lazy_demangler): New class.
6427 (Version_script_info::get_symbol_version_helper): Demangle a
6428 symbol only once.
6429
6430 2009-01-29 Cary Coutant <ccoutant@google.com>
6431
6432 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
6433 to __tls_get_addr.
6434 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
6435
6436 2009-01-28 Ian Lance Taylor <iant@google.com>
6437
6438 * version.cc (version_string): Bump to 1.9.
6439
6440 * gold.h: Include <cstring> and <stdint.h>.
6441 * version.cc: Include <cstdio>.
6442 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
6443 warning.
6444 * reduced_debug_output.cc (insert_into_vector): Rename from
6445 Insert_into_vector; change all callers. Use Swap_unaligned to
6446 avoid aliasing issue; remove union since it is unnecessary.
6447
6448 2009-01-27 Sriraman Tallam <tmsriram@google.com>
6449
6450 * Makefile.am (CCFILES): Add gc.cc.
6451 (HFILES): Add gc.h.
6452 * Makefile.in: Regenerate.
6453 * gold.cc (Gc_runner): New class.
6454 (queue_initial_tasks): Call garbage collection related tasks
6455 when corresponding options are invoked.
6456 (queue_middle_gc_tasks): New function.
6457 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
6458 processed early before laying out sections during garbage collection.
6459 * gold.h (queue_middle_gc_tasks): New function.
6460 (is_prefix_of): Move from "layout.cc".
6461 * i386.cc (Target_i386::gc_process_relocs): New function.
6462 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
6463 * main.cc (main): Create object of class "Garbage_collection".
6464 * object.cc (Relobj::copy_symbols_data): New function.
6465 (Relobj::is_section_name_included): New function.
6466 (Sized_relobj::do_layout): Allow this function to be called twice
6467 during garbage collection and defer layout of section during the
6468 first call.
6469 * object.h (Relobj::get_symbols_data): New function.
6470 (Relobj::is_section_name_included): New function.
6471 (Relobj::copy_symbols_data): New function.
6472 (Relobj::set_symbols_data): New function.
6473 (Relobj::get_relocs_data): New function.
6474 (Relobj::set_relocs_data): New function.
6475 (Relobj::is_output_section_offset_invalid): New pure virtual function.
6476 (Relobj::gc_process_relocs): New function.
6477 (Relobj::do_gc_process_relocs): New pure virtual function.
6478 (Relobj::sd_): New data member.
6479 (Sized_relobj::is_output_section_offset_invalid): New function.
6480 (Sized_relobj::do_gc_process_relocs): New function.
6481 * options.h (General_options::gc_sections): Modify to not be a no-op.
6482 (General_options::print_gc_sections): New option.
6483 * plugin.cc (Plugin_finish::run): Remove function call to
6484 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
6485 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
6486 * reloc.cc (Read_relocs::run): Add task to process relocs and
6487 determine unreferenced sections when doing garbage collection.
6488 (Gc_process_relocs): New class.
6489 (Sized_relobj::do_gc_process_relocs): New function.
6490 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
6491 sections that are garbage collected.
6492 * reloc.h (Gc_process_relocs): New class.
6493 * sparc.cc (Target_sparc::gc_process_relocs): New function.
6494 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
6495 symbols whose corresponding sections are garbage collected.
6496 (Symbol_table::Symbol_table): Add new parameter for the garbage
6497 collection object.
6498 (Symbol_table::gc_mark_undef_symbols): New function.
6499 (Symbol_table::gc_mark_symbol_for_shlib): New function.
6500 (Symbol_table::gc_mark_dyn_syms): New function.
6501 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
6502 as garbage.
6503 (Symbol_table::add_from_object): Likewise.
6504 (Symbol_table::add_from_relobj): When building shared objects, do not
6505 treat externally visible symbols as garbage.
6506 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
6507 table information for static and relocatable links.
6508 * symtab.h (Symbol_table::set_gc): New function.
6509 (Symbol_table::gc): New function.
6510 (Symbol_table::gc_mark_undef_symbols): New function.
6511 (Symbol_table::gc_mark_symbol_for_shlib): New function.
6512 (Symbol_table::gc_mark_dyn_syms): New function.
6513 (Symbol_table::gc_): New data member.
6514 * target.h (Sized_target::gc_process_relocs): New pure virtual
6515 function.
6516 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
6517 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
6518
6519 2009-01-20 Chris Faylor <me.sourceware@sourceware.org>
6520
6521 * options.h (General_options::gc_sections): Define as a no-op for now.
6522 (General_options::no_keep_memory): Ditto.
6523 (General_options::Bshareable): Define.
6524 * options.cc (General_options::finalize): Honor -Bshareable.
6525
6526 2009-01-20 Andreas Schwab <schwab@suse.de>
6527
6528 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
6529 read the value in the contents, since we don't use it. Use the
6530 template endianness when writing.
6531 (Relocate::relocate): Use it for R_PPC_REL16_HA.
6532
6533 2009-01-19 Andreas Schwab <schwab@suse.de>
6534
6535 * configure.tgt (powerpc64-*): Fix targ_obj.
6536
6537 2009-01-15 Ian Lance Taylor <iant@google.com>
6538
6539 * object.cc (Sized_relobj::write_local_symbols): Don't write out
6540 local symbols when stripping all symbols.
6541
6542 2009-01-14 Cary Coutant <ccoutant@google.com>
6543
6544 * output.cc (Output_reloc): Add explicit instantiations.
6545
6546 2009-01-14 Cary Coutant <ccoutant@google.com>
6547
6548 * archive.cc (Archive::get_elf_object_for_member): Remove call
6549 to File_read::claim_for_plugin.
6550 * descriptors.cc (Descriptors::open): Remove reference to
6551 is_claimed.
6552 (Descriptors::claim_for_plugin): Remove.
6553 * descriptors.h (Descriptors::claim_for_plugin): Remove.
6554 (Descriptors::is_claimed): Remove.
6555 (claim_descriptor_for_plugin): Remove.
6556 * fileread.cc (File_read::claim_for_plugin): Remove.
6557 * fileread.h (File_read::claim_for_plugin): Remove.
6558 (File_read::descriptor): Reopen descriptor if necessary.
6559 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
6560 (Plugin_manager::all_symbols_read): Add task parameter. Change
6561 all callers.
6562 (Plugin_manager::get_input_file): New function.
6563 (Plugin_manager::release_input_file): New function.
6564 (Pluginobj::Pluginobj): Add filesize parameter and initialize
6565 corresponding data member.
6566 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
6567 and pass to base constructor. Change all callers.
6568 (get_input_file, release_input_file): New functions.
6569 (make_sized_plugin_object): Add filesize parameter. Change all callers.
6570 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
6571 (Plugin_manager::all_symbols_read): Add task parameter.
6572 (Plugin_manager::get_input_file): New function.
6573 (Plugin_manager::release_input_file): New function.
6574 (Plugin_manager::task_): New data member.
6575 (Pluginobj::Pluginobj): Add filesize parameter.
6576 (Pluginobj::filename): New function.
6577 (Pluginobj::descriptor): New function.
6578 (Pluginobj::filesize): New function.
6579 (Pluginobj::filesize_): New data member.
6580 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
6581 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
6582 File_read::claim_for_plugin; use Object::unlock to unlock the file.
6583
6584 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
6585 with archive libraries.
6586 * testsuite/Makefile.in: Regenerate.
6587 * testsuite/plugin_test.c (struct sym_info): New type.
6588 (get_input_file, release_input_file): New static variables.
6589 (onload): Capture new transfer vector entries.
6590 (claim_file_hook): Stop reading at end of file according to filesize.
6591 Factor out parsing of readelf output into separate function.
6592 (all_symbols_read_hook): Exercise get_input_file and release_input_file
6593 APIs and get the source file name from the symbol table. Convert
6594 source file name to corresponding object file name. Print info
6595 message when adding new input files.
6596 (parse_readelf_line): New function.
6597 * testsuite/plugin_test_1.sh: Add checks for new info messages.
6598 * testsuite/plugin_test_2.sh: Likewise.
6599 * testsuite/plugin_test_3.sh: Likewise.
6600 * testsuite/plugin_test_4.sh: New test case.
6601
6602 2009-01-07 Ian Lance Taylor <iant@google.com>
6603
6604 * version.cc (version_string): Bump to 1.8.
6605
6606 2008-12-23 Cary Coutant <ccoutant@google.com>
6607
6608 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
6609 * plugin.cc (Plugin_manager::finish): Rename as
6610 layout_deferred_objects. Move cleanup to separate function.
6611 (Plugin_manager::cleanup): New function.
6612 (Plugin_finish::run): Call layout_deferred_objects and cleanup
6613 separately.
6614 * plugin.h (Plugin_manager::finish): Rename as
6615 layout_deferred_objects.
6616 (Plugin_manager::cleanup): New function.
6617 (Plugin_manager::cleanup_done): New field.
6618
6619 2008-12-23 Cary Coutant <ccoutant@google.com>
6620
6621 * plugin.cc (is_visible_from_outside): New function.
6622 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
6623 so we don't return "IR only" status for exported symbols or -r links.
6624
6625 * testsuite/Makefile.am (plugin_test_3): New test case.
6626 * testsuite/Makefile.in: Regenerate.
6627 * testsuite/plugin_test_3.sh: New file.
6628
6629 2008-12-22 Cary Coutant <ccoutant@google.com>
6630
6631 * object.cc (Sized_relobj::layout_section): New function.
6632 (Sized_relobj::do_layout): Defer layout of input sections until after
6633 plugin has provided replacement files.
6634 (Sized_relobj::do_layout_deferred_sections): New function.
6635 * object.h (Relobj::set_section_offset): Remove virtual keyword.
6636 (Relobj::layout_deferred_sections): New function.
6637 (Relobj::do_layout_deferred_sections): New function.
6638 (Sized_relobj::do_layout_deferred_sections): New function.
6639 (Sized_relobj::layout_section): New function.
6640 (Sized_relobj::Deferred_layout): New structure.
6641 (Sized_relobj::deferred_layout_): New field.
6642 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
6643 Change all callers. Layout deferred sections.
6644 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
6645 references.
6646 (Plugin_hook::run): Move code from do_plugin_hook inline.
6647 (Plugin_hook::do_plugin_hook): Remove.
6648 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
6649 (Plugin_manager::finish): Renamed, was cleanup.
6650 (Plugin_manager::should_defer_layout): New function.
6651 (Plugin_manager::add_deferred_layout_object): New function.
6652 (Plugin_manager::Deferred_layout_list): New type.
6653 (Plugin_manager::deferred_layout_objects_): New field.
6654 (Plugin_hook::do_plugin_hook): Remove.
6655
6656 2008-12-17 Ian Lance Taylor <iant@google.com>
6657
6658 * options.h (class General_options): Add --no case for
6659 --export-dynamic.
6660
6661 2008-12-16 Cary Coutant <ccoutant@google.com>
6662
6663 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
6664 vector.
6665 (Plugin_manager::claim_file): Create plugin object even if
6666 plugin did not call the add_symbols callback.
6667 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
6668 asking for more symbols than were added.
6669 * testsuite/Makefile.am (plugin_test_1): Add test case with
6670 no global symbols.
6671 (empty.syms): New target.
6672 * testsuite/Makefile.in: Regenerate.
6673 * testsuite/plugin_test.c (claim_file_hook): Add new debug
6674 message. Don't call add_symbols if no globals.
6675 (all_symbols_read_hook): Don't provide replacement for empty
6676 claimed file.
6677
6678 2008-12-12 Ian Lance Taylor <iant@google.com>
6679
6680 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
6681 r_type == 0 for a local symbol with r_sym == 0.
6682 (scan_relocatable_relocs): Pass r_sym to
6683 local_non_section_strategy.
6684 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
6685 r_sym parameter.
6686
6687 * configure.ac: Update test for TLS descriptors: they are
6688 supported as of glibc 2.9.
6689 * configure: Rebuild.
6690
6691 2008-12-11 Ian Lance Taylor <iant@google.com>
6692
6693 PR 7091
6694 * target-reloc.h (Default_scan_relocatable_relocs): For each
6695 function, map r_type == 0 to RELOC_DISCARD.
6696
6697 2008-12-10 Cary Coutant <ccoutant@google.com>
6698
6699 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
6700 object to override a kept COMDAT group from a plugin object.
6701
6702 2008-12-09 Ian Lance Taylor <iant@google.com>
6703
6704 PR 7088
6705 * yyscript.y (file_cmd): Handle INPUT.
6706
6707 * testsuite/initpri1.c: Change all declarations to be full
6708 prototypes by adding void, to avoid compiler warnings.
6709
6710 2008-12-05 Rafael Avila de Espindola <espindola@google.com>
6711
6712 * options.cc (General_options::parse_plugin_opt): New.
6713 (General_options::add_plugin): The argument now is just the filename.
6714 (General_options::add_plugin_option): New.
6715 * options.h (plugin_opt): New.
6716 (add_plugin): Change argument name.
6717 (add_plugin_option): New.
6718 * plugin.cc (Plugin::load): Don't parse the plugin option.
6719 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
6720 (Plugin::add_option): New.
6721 (Plugin::args_): Change type.
6722 (Plugin::filename_): New.
6723 (Plugin_manager::add_plugin_option): New.
6724 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
6725 * testsuite/Makefile.in: Regenerate.
6726
6727 2008-12-05 Cary Coutant <ccoutant@google.com>
6728
6729 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
6730 Handle --strip-lto-sections option.
6731 * options.h (strip_lto_sections): New option.
6732
6733 2008-12-01 Cary Coutant <ccoutant@google.com>
6734
6735 * plugin.cc (ld_plugin_message): Change format parameter to const.
6736 Fix mismatch between new[] and delete.
6737
6738 2008-11-14 Cary Coutant <ccoutant@google.com>
6739
6740 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
6741 instead of -1U.
6742
6743 2008-11-05 Craig Silverstein <csilvers@google.com>
6744
6745 * options.cc (General_options::parse_dynamic_list): New function.
6746 * options.h (General_options): New flags dynamic_list,
6747 dynamic_list_data, dynamic_list_cpp_new, and
6748 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
6749 (General_options::in_dynamic_list): New function.
6750 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
6751 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
6752 (Lex::can_continue_name): Likewise.
6753 (yylex): Likewise.
6754 (read_script_file): New parameter script_options.
6755 (read_dynamic_list): New function.
6756 (Script_options::define_dynamic_list): New function.
6757 (dynamic_list_keyword_parsecodes): New variable.
6758 (dynamic_list_keywords): New variable.
6759 * script.h (Script_options::define_dynamic_list): New function
6760 prototype.
6761 (read_dynamic_list): New function prototype.
6762 * symtab.cc (strprefix): New macro.
6763 (Symbol::should_add_dynsym_entry): Support dynamic_list,
6764 dynamic_list_data, dynamic_list_cpp_new, and
6765 dynamic_list_cpp_typeinfo.
6766 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
6767 (dynamic_list_expr): New rule.
6768 (dynamic_list_nodes): Likewise.
6769 (dynamic_list_node): Likewise.
6770 * testsuite/Makefile.am (dynamic_list): New test.
6771 * testsuite/Makefile.in: Regenerated.
6772 * testsuite/dynamic_list.t: New file.
6773 * testsuite/dynamic_list.sh: New file.
6774
6775 2008-11-05 Craig Silverstein <csilvers@google.com>
6776
6777 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
6778 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
6779 (t11_last): Likewise.
6780 * testsuite/ver_test_6.c (main): Likewise.
6781
6782 2008-10-07 Cary Coutant <ccoutant@google.com>
6783
6784 * options.c (General_options::finalize): Add check for -static and
6785 -shared.
6786 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
6787 is not empty.
6788
6789 2008-10-02 Cary Coutant <ccoutant@google.com>
6790
6791 * plugin.cc (make_sized_plugin_object): Fix conditional
6792 compilation to work when not all targets are enabled.
6793
6794 2008-09-29 Cary Coutant <ccoutant@google.com>
6795
6796 * archive.cc (Archive::get_file_and_offset): Use filename instead
6797 of name to get library path.
6798 (Archive::include_member): Unlock external member of a thin archive.
6799
6800 * testsuite/Makefile.am (TEST_AR): New variable.
6801 (thin_archive_test_1): New test.
6802 (thin_archive_test_2): New test.
6803 * testsuite/Makefile.in: Regenerate.
6804 * testsuite/thin_archive_main.cc: New file.
6805 * testsuite/thin_archive_test_1.cc: New file.
6806 * testsuite/thin_archive_test_2.cc: New file.
6807 * testsuite/thin_archive_test_3.cc: New file.
6808 * testsuite/thin_archive_test_4.cc: New file.
6809
6810 2008-09-29 Cary Coutant <ccoutant@google.com>
6811
6812 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
6813 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
6814 instead of -1U.
6815 (Sized_relobj::do_finalize_local_symbols): Likewise.
6816 (Sized_relobj::map_to_kept_section): Likewise.
6817 * object.h (Sized_relobj::invalid_address): New constant.
6818 (Sized_relobj::do_output_section_offset): Check for invalid_address
6819 and return -1ULL.
6820 * output.cc (Output_reloc::local_section_offset): Use constant
6821 invalid_address instead of -1U.
6822 (Output_reloc::get_address): Likewise.
6823 (Output_section::output_address): Change -1U to -1ULL.
6824 * output.h (Output_reloc::invalid_address): New constant.
6825 * reloc.cc (Sized_relobj::write_sections): Use constant
6826 invalid_address instead of -1U.
6827 (Sized_relobj::relocate_sections): Likewise.
6828 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
6829 values for merge sections.
6830 * target-reloc.h (relocate_for_relocatable): Use constant
6831 invalid_address instead of -1U.
6832
6833 2008-09-19 Cary Coutant <ccoutant@google.com>
6834
6835 Add plugin functionality for link-time optimization (LTO).
6836 * configure.ac (plugins): Add --enable-plugins option.
6837 * configure: Regenerate.
6838 * config.in: Regenerate.
6839 * Makefile.am (LIBDL): New variable.
6840 (CCFILES): Add plugin.cc.
6841 (HFILES): Add plugin.h.
6842 (ldadd_var): Add LIBDL.
6843 * Makefile.in: Regenerate.
6844
6845 * archive.cc: Include "plugin.h".
6846 (Archive::setup): Don't preread archive symbols when using a plugin.
6847 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
6848 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
6849 files.
6850 (Archive::include_member): Add symbols from plugin objects.
6851 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
6852 * descriptors.cc (Descriptors::open): Check for file descriptors
6853 abandoned by plugins.
6854 (Descriptors::claim_for_plugin): New function.
6855 * descriptors.h (Descriptors::claim_for_plugin): New function.
6856 (Open_descriptor::is_claimed): New field.
6857 (claim_descriptor_for_plugin): New function.
6858 * fileread.cc (File_read::claim_for_plugin): New function.
6859 * fileread.h (File_read::claim_for_plugin): New function.
6860 (File_read::descriptor): New function.
6861 * gold.cc: Include "plugin.h".
6862 (queue_initial_tasks): Add task to call plugin hooks for generating
6863 new object files.
6864 * main.cc: Include "plugin.h".
6865 (main): Load plugin libraries.
6866 * object.h (Pluginobj): Declare.
6867 (Object::pluginobj): New function.
6868 (Object::do_pluginobj): New function.
6869 (Object::set_target): New function.
6870 * options.cc: Include "plugin.h".
6871 (General_options::parse_plugin): New function.
6872 (General_options::General_options): Initialize plugins_ field.
6873 (General_options::add_plugin): New function.
6874 * options.h (Plugin_manager): Declare.
6875 (General_options): Add --plugin option.
6876 (General_options::has_plugins): New function.
6877 (General_options::plugins): New function.
6878 (General_options::add_plugin): New function.
6879 (General_options::plugins_): New field.
6880 * plugin.cc: New file.
6881 * plugin.h: New file.
6882 * readsyms.cc: Include "plugin.h".
6883 (Read_symbols::do_read_symbols): Check for archive before checking
6884 for ELF file. Call plugin hooks to claim files.
6885 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
6886 from a real object file; force override when processing replacement
6887 files.
6888 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
6889 (Symbol::init_base_object): Likewise.
6890 (Symbol::init_base_output_data): Likewise.
6891 (Symbol::init_base_output_segment): Likewise.
6892 (Symbol::init_base_constant): Likewise.
6893 (Symbol::init_base_undefined): Likewise.
6894 (Symbol::output_section): Assert that object is not a plugin.
6895 (Symbol_table::add_from_pluginobj): New function.
6896 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
6897 undefined.
6898 (Symbol_table::sized_write_globals): Likewise.
6899 (Symbol_table::add_from_pluginobj): Instantiate template.
6900 * symtab.h (Sized_pluginobj): Declare.
6901 (Symbol::in_real_elf): New function.
6902 (Symbol::set_in_real_elf): New function.
6903 (Symbol::in_real_elf_): New field.
6904 (Symbol_table::add_from_pluginobj): New function.
6905
6906 * testsuite/Makefile.am (AM_CFLAGS): New variable.
6907 (LIBDL): New variable.
6908 (LDADD): Add LIBDL.
6909 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
6910 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
6911 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
6912 (MOSTLYCLEANFILES): Likewise.
6913 * testsuite/Makefile.in: Regenerate.
6914 * testsuite/plugin_test.c: New file.
6915 * testsuite/plugin_test_1.sh: New file.
6916 * testsuite/plugin_test_2.sh: New file.
6917
6918 2008-09-16 Ian Lance Taylor <iant@google.com>
6919
6920 * target-reloc.h (relocate_section): Check whether a symbol is
6921 defined by the ABI before reporting an undefined symbol error.
6922 * target.h (Target::is_defined_by_abi): Make parameter const.
6923 (Target::do_is_defined_by_abi): Likewise.
6924 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
6925 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
6926 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
6927 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
6928 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
6929 * testsuite/Makefile.in: Rebuild.
6930
6931 * fileread.cc (make_view): Add casts to avoid warning.
6932
6933 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
6934
6935 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
6936 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6937
6938 2008-09-16 Alexandre Oliva <aoliva@redhat.com>
6939
6940 * options.h (General_options::output_is_executable): New.
6941 (General_options::output_is_pie): New.
6942 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
6943 for shared libraries.
6944 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
6945
6946 2008-09-11 Chris Demetriou <cgd@google.com>
6947
6948 * options.h (origin): New -z option.
6949 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
6950 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
6951 in DT_FLAGS_1.
6952
6953 2008-09-05 Cary Coutant <ccoutant@google.com>
6954
6955 * fileread.cc (File_read::make_view): Add check for attempt to map
6956 beyond end of file.
6957
6958 2008-09-05 Cary Coutant <ccoutant@google.com>
6959
6960 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
6961 explicit instantiations.
6962
6963 2008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
6964
6965 PR gold/6858
6966 * options.cc (General_options::finalize): Allow undefined symbols
6967 in shlibs if linking -shared.
6968
6969 PR gold/6859
6970 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
6971 symbols as not needing a dynsym entry.
6972
6973 2008-08-20 Craig Silverstein <csilvers@google.com>
6974
6975 * fileread.cc (File_read::open): Do not lock the file unless it
6976 was successfully opened.
6977
6978 2008-08-14 Cary Coutant <ccoutant@google.com>
6979
6980 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
6981 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
6982 * testsuite/tls_test.cc (struct int128): 128-bit struct
6983 for testing TLS relocs with non-zero addend.
6984 (v12): New TLS variable.
6985 (t12): New test.
6986 (t_last): Add check for v12.
6987 * testsuite/tls_test.h (t12): New function.
6988 * testsuite/tls_test_main.cc (thread_routine): Call new test.
6989
6990 2008-08-13 Ian Lance Taylor <iant@google.com>
6991
6992 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
6993 set tls_segment_ or relro_segment_.
6994 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
6995 when appropriate.
6996 * output.h (Output_section::clear_is_relro): New function.
6997 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
6998 sections specially even when output_data_ is empty.
6999 (Output_segment::maximum_alignment): When first section is relro,
7000 only force alignment for PT_LOAD segments.
7001 * script.cc (script_data_segment_align): New function.
7002 (script_data_segment_relro_end): New function.
7003 * script-c.h (script_data_segment_align): Declare.
7004 (script_data_segment_relro_end): Declare.
7005 * script-sections.h (class Script_sections): Declare
7006 data_segment_align and data_segment_relro_end. Add fields
7007 segment_align_index_ and saw_relro_end_.
7008 * script-sections.cc (class Sections_element): Add set_is_relro
7009 virtual function. Add new bool* parameter to place_orphan_here.
7010 Add get_output_section virtual function.
7011 (class Output_section_definition): Add set_is_relro. Add new
7012 bool* parameter to place_orphan_here. Add get_output_section.
7013 Add is_relro_ field.
7014 (Output_section_definition::Output_section_definition): Initialize
7015 evaluated_address_, evaluated_load_address, evaluated_addralign_,
7016 and is_relro_ fields.
7017 (Output_section_definition::place_orphan_here): Add is_relro
7018 parameter.
7019 (Output_section_definition::set_section_addresses): Set relro for
7020 output section.
7021 (Output_section_definition::alternate_constraint): Likewise.
7022 (class Orphan_output_section): Add new bool* parameter to
7023 place_orphan_here. Add get_output_section.
7024 (Orphan_output_section::place_orphan_here): Add is_relro
7025 parameter.
7026 (Script_sections::Script_sections): Initialize
7027 data_segment_align_index_ and saw_relro_end_.
7028 (Script_sections::data_segment_align): New function.
7029 (Script_sections::data_segment_relro_end): New function.
7030 (Script_sections::place_orphan): Set or clear is_relro.
7031 (Script_sections::set_section_addresses): Force alignment of first
7032 TLS section.
7033 * yyscript.y (exp): Call script_data_segment_align and
7034 script_data_segment_relro_end.
7035 * testsuite/relro_script_test.t: New file.
7036 * testsuite/relro_test.cc (using_script): Declare.
7037 (t1, t2): Test using_script.
7038 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
7039 (relro_script_test_SOURCES): Define.
7040 (relro_script_test_DEPENDENCIES): Define.
7041 (relro_script_test_LDFLAGS): Define.
7042 (relro_script_test_LDADD): Define.
7043 (relro_script_test.so): New target.
7044 * testsuite/Makefile.in: Rebuild.
7045
7046 2008-08-06 Cary Coutant <ccoutant@google.com>
7047
7048 * archive.cc (Archive::total_archives, Archive::total_members)
7049 (Archive::total_members_loaded): New variables.
7050 (Archive::setup): Add parameter. Add option to preread
7051 archive symbols.
7052 (Archive::read_armap): Add counter.
7053 (Archive::get_file_and_offset): New function.
7054 (Archive::get_elf_object_for_member): New function.
7055 (Archive::read_all_symbols): New function.
7056 (Archive::read_symbols): New function.
7057 (Archive::add_symbols): Add counters.
7058 (Archive::include_all_members): Use armap to find members if it's
7059 already built.
7060 (Archive::include_member): Skip reading symbols if already read.
7061 Factored code into Archive::get_file_and_offset and
7062 Archive::get_elf_object_for_member. Changed call to
7063 Mapfile::report_include_archive_member.
7064 (Archive::print_stats): New function.
7065 * archive.h: Declare Object and Read_symbols_data classes.
7066 (Archive::Archive): Add initializers for new members.
7067 (Archive::setup): Add parameter.
7068 (Archive::print_stats): New function.
7069 (Archive::total_archives, Archive::total_members)
7070 (Archive::total_members_loaded): New variables.
7071 (Archive::get_file_and_offset): New function.
7072 (Archive::get_elf_object_for_member): New function.
7073 (Archive::read_all_symbols): New function.
7074 (Archive::read_symbols): New function.
7075 (Archive::Archive_member): New class.
7076 (Archive::members_): New member.
7077 (Archive::num_members_): New member.
7078 * main.cc: Include archive.h.
7079 (main): Call Archive::print_stats.
7080 * mapfile.cc (Mapfile::report_include_archive_member): Delete
7081 archive parameter; member_name is now the fully-decorated name.
7082 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
7083 * options.h: (General_options): Add --preread-archive-symbols option.
7084 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
7085 Archive::setup.
7086
7087 2008-08-04 Ian Lance Taylor <iant@google.com>
7088
7089 * symtab.h (Symbol::use_plt_offset): New function.
7090 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
7091 * powerpc.cc (Relocate::relocate): Likewise.
7092 * sparc.cc (Relocate::relocate): Likewise.
7093 * x86_64.cc (Relocate::relocate): Likewise.
7094 * testsuite/weak_plt.sh: New test.
7095 * testsuite/weak_plt_main.cc: New test.
7096 * testsuite/weak_plt_shared.cc: New test.
7097 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
7098 (check_PROGRAMS): Add weak_plt.
7099 (check_DATA): Add weak_plt_shared.so.
7100 (weak_plt_main_pic.o, weak_plt): New targets.
7101 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
7102 * testsuite/Makefile.in: Rebuild.
7103
7104 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
7105 gcctestdir/ld.
7106 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
7107 * testsuite/Makefile.in: Rebuild.
7108
7109 2008-08-04 Alan Modra <amodra@bigpond.net.au>
7110
7111 * Makefile.am (POTFILES.in): Set LC_ALL=C.
7112 * Makefile.in: Regenerate.
7113 * po/POTFILES.in: Regenerate.
7114
7115 2008-07-29 Ian Lance Taylor <iant@google.com>
7116
7117 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
7118 symbols before other symbols.
7119 * testsuite/script_test_2.cc (test_addr): Declare.
7120 (test_addr_alias): Declare.
7121 (main): Check that test_addr and test_addr_alias have the right
7122 values.
7123 * testsuite/script_test_2.t: Define test_addr_alias and
7124 test_addr.
7125
7126 2008-07-24 Ian Lance Taylor <iant@google.com>
7127
7128 PR 5990
7129 * descriptors.cc: New file.
7130 * descriptors.h: New file.
7131 * gold-threads.h (class Hold_optional_lock): New class.
7132 * fileread.cc: Include "descriptors.h".
7133 (File_read::~File_read): Release descriptor rather than closing
7134 it.
7135 (File_read::open) [file]: Call open_descriptor rather than open.
7136 Set is_descriptor_opened_.
7137 (File_read::open) [memory]: Assert that descriptor is not open.
7138 (File_read::reopen_descriptor): New function.
7139 (File_read::release): Release descriptor.
7140 (File_read::do_read): Make non-const. Reopen descriptor.
7141 (File_read::read): Make non-const.
7142 (File_read::make_view): Reopen descriptor.
7143 (File_read::do_readv): Likewise.
7144 * fileread.h (class File_read): Add is_descriptor_opened_ field.
7145 Update declarations.
7146 * layout.cc: Include "descriptors.h".
7147 (Layout::create_build_id): Use open_descriptor rather than open.
7148 * output.cc: Include "descriptors.h".
7149 (Output_file::open): Use open_descriptor rather than open.
7150 * archive.cc (Archive::const_iterator): Change Archive to be
7151 non-const.
7152 (Archive::begin, Archive::end): Make non-const.
7153 (Archive::count_members): Likewise.
7154 * archive.h (class Archive): Update declarations.
7155 * object.h (Object::read): Make non-const.
7156 * Makefile.am (CCFILES): Add descriptors.cc.
7157 (HFILES): Add descriptors.h.
7158 * Makefile.in: Rebuild.
7159
7160 PR 6716
7161 * gold.h: Always include <clocale>. Add Solaris workarounds
7162 following code in binutils/sysdep.h.
7163
7164 PR 6048
7165 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
7166 this->eh_frame_hdr_ is NULL before using it.
7167
7168 * dynobj.cc (Versions::Versions): Update comment.
7169
7170 * dynobj.cc (Versions::Versions): If there is an soname, use it as
7171 the base version name.
7172
7173 * stringpool.cc (Stringpool_template::add_with_length): Set key to
7174 array size plus one.
7175 (Stringpool_template::set_string_offsets): Subtract one from key
7176 before using it as an array index.
7177 (Stringpool_template::get_offset_with_length): Likewise.
7178 (Stringpool_template::write_to_buffer): Likewise.
7179 * stringpool.h (Stringpool_template::get_offset_from_key):
7180 Likewise.
7181
7182 2008-07-23 Ian Lance Taylor <iant@google.com>
7183
7184 PR 6658
7185 * object.h (Merged_symbol_value::value): Do our best to handle a
7186 negative addend.
7187
7188 PR 6647
7189 * script.cc (Version_script_info::get_versions): Don't add empty
7190 version tag to return value.
7191 (Version_script_info::get_symbol_version_helper): Change return
7192 type to bool. Add pversion parameter. Change all callers.
7193 (script_register_vers_node): Don't require a non-NULL tag.
7194 * script.h (class Version_script_info): Update declarations.
7195 (Version_script_info::get_symbol_version): Change return type to
7196 bool. Add version parameter. Change all callers.
7197 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
7198 handling. Handle an empty version from a version script.
7199 (Symbol_table::define_special_symbol): Likewise.
7200 * testsuite/ver_test_10.script: New file.
7201 * testsuite/ver_test_10.sh: New file.
7202 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
7203 (check_DATA): Add ver_test_10.syms.
7204 (ver_test_10.syms, ver_test_10.so): New target.
7205 * testsuite/Makefile.in: Rebuild.
7206
7207 2008-07-23 Simon Baldwin <simonb@google.com>
7208
7209 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
7210 to zero for undefined symbols from dynamic libraries.
7211
7212 2008-07-23 Ian Lance Taylor <iant@google.com>
7213
7214 * symtab.cc (Symbol_table::resolve): Remove version parameter.
7215 Change all callers.
7216 * symtab.h (class Symbol_table): Update declaration.
7217 * testsuite/ver_test_9.cc: New file.
7218 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
7219 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
7220 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
7221 (ver_test_9.so, ver_test_9.o): New targets.
7222 * testsuite/Makefile.in: Rebuild.
7223
7224 2008-07-22 Ian Lance Taylor <iant@google.com>
7225
7226 * options.h (class General_options): Define --check-sections.
7227 * layout.cc (Layout::set_segment_offsets): Handle
7228 --check-sections.
7229
7230 * options.h (class General_options): Define -n/--nmagic and
7231 -N/--omagic.
7232 * options.cc (General_options::finalize): For -n/--nmagic or
7233 -N/--omagic, set -static.
7234 * layout.cc (Layout::attach_allocated_section_to_segment): If
7235 -N/--omagic, don't put read-only and read-write sections in
7236 different segments.
7237 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
7238 finding a read-only segment.
7239 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
7240 don't set the minimum segment alignment to the common page size,
7241 and don't set the file offset to the address modulo the page size.
7242 * script-sections.cc (Script_sections::create_segments): If
7243 -n/--omagic, don't put read-only and read-write sections in
7244 different segments.
7245
7246 * cref.cc: New file.
7247 * cref.h: New file.
7248 * options.h (class General_options): Add --print-symbol-counts.
7249 * main.cc (main): Issue defined symbol report if requested.
7250 * archive.cc (Archive::interpret_header): Make into a const member
7251 function.
7252 (Archive::add_symbols): Call Input_objects::archive_start and
7253 archive_stop.
7254 (Archive::const_iterator): Define new class.
7255 (Archive::begin, Archive::end): New functions.
7256 (Archive::include_all_members): Rewrite to use iterator.
7257 (Archive::count_members): New function.
7258 * archive.h (class Archive): Update declarations.
7259 (Archive::filename): New function.
7260 * object.cc: Include "cref.h".
7261 (Sized_relobj::Sized_relobj): Initialize defined_count_.
7262 (Sized_relobj::do_get_global_symbol_counts): New function.
7263 (Input_objects::add_object): Add object to cross-referencer.
7264 (Input_objects::archive_start): New function.
7265 (Input_objects::archive_stop): New function.
7266 (Input_objects::print_symbol_counts): New function.
7267 * object.h: Declare Cref and Archive.
7268 (Object::get_global_symbol_counts): New function.
7269 (Object::do_get_global_symbol_counts): New pure virtual function.
7270 (class Sized_relobj): Add defined_count_ field. Update
7271 declarations.
7272 (class Input_objects): Add cref_ field. Update constructor.
7273 Update declarations.
7274 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
7275 defined_count_.
7276 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
7277 symbol counts.
7278 (Sized_dynobj::do_get_global_symbol_counts): New function.
7279 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
7280 defined_count_. Update declarations. Define Symbols typedef.
7281 * symtab.cc (Symbol_table::add_from_relobj): Add defined
7282 parameter. Change all callers.
7283 (Symbol_table::add_from_dynobj): Add sympointers and defined
7284 parameters. Change all callers.
7285 * symtab.h (class Symbol_table): Update declarations.
7286 * Makefile.am (CCFILES): Add cref.cc.
7287 (HFILES): Add cref.h.
7288 * Makefile.in: Rebuild.
7289
7290 2008-07-22 Simon Baldwin <simonb@google.com>
7291
7292 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
7293 to zero when writing undefined symbols.
7294
7295 2008-07-22 Ian Lance Taylor <iant@google.com>
7296
7297 * output.cc (Output_section::add_input_section): Don't try to
7298 merge empty merge sections.
7299
7300 2008-07-21 Craig Silverstein <csilvers@google.com>
7301
7302 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
7303 Include symbol version in error message.
7304
7305 2008-07-20 Chris Demetriou <cgd@google.com>
7306
7307 * configure.ac (gold_cv_c_random_seed): New configured variable.
7308 (RANDOM_SEED_CFLAGS): New substituted variable.
7309 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
7310 * configure: Rebuild.
7311 * Makefile.in: Likewise.
7312 * testsuite/Makefile.in: Likewise.
7313
7314 2008-07-18 Ian Lance Taylor <iant@google.com>
7315
7316 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
7317 where we see NAME/NULL and NAME/VERSION as separate symbols.
7318 * testsuite/ver_test_main.cc (main): Call t4.
7319 (t4, t4_2a): Define.
7320 * testsuite/ver_test_2.cc (t4_2): Define.
7321 * testsuite/ver_test_2.script: Put t4_2a in VER2.
7322 * testsuite/ver_test_4.cc (t4_2a): Define.
7323 * testsuite/ver_test_4.script: Put t4_2a in VER2.
7324 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
7325
7326 2008-07-17 Ian Lance Taylor <iant@google.com>
7327
7328 * dynobj.cc (Versions::add_def): If we give an error about a
7329 missing version, go ahead and create the version anyhow.
7330
7331 2008-07-10 Ian Lance Taylor <iant@google.com>
7332
7333 Handle output sections with more than 0x7fffffff bytes.
7334 * object.h (class Relobj): Change map_to_output_ to
7335 output_sections_, and just keep a section pointer. Change all
7336 uses. Move comdat group support to Sized_relobj.
7337 (Relobj::is_section_specially_mapped): Remove.
7338 (Relobj::output_section): Remove poff parameter. Change all
7339 callers.
7340 (Relobj::output_section_offset): New function.
7341 (Relobj::set_section_offset): Rewrite.
7342 (Relobj::map_to_output): Remove.
7343 (Relobj::output_sections): New function.
7344 (Relobj::do_output_section_offset): New pure virtual function.
7345 (Relobj::do_set_section_offset): Likewise.
7346 (class Sized_relobj): Add section_offsets_ field. Add comdat
7347 group support from Relobj. Update declarations.
7348 (Sized_relobj::get_output_section_offset): New function.
7349 (Sized_relobj::do_output_section_offset): New function.
7350 (Sized_relobj::do_set_section_offset): New function.
7351 * object.cc (Relobj::output_section_address): Remove.
7352 (Sized_relobj::Sized_relobj): Initialize new fields.
7353 (Sized_relobj::include_section_group): Cast find_kept_object to
7354 Sized_relobj.
7355 (Sized_relobj::include_linkonce_section): Likewise.
7356 (Sized_relobj::do_layout): Use separate arrays for output section
7357 and output offset.
7358 (Sized_relobj::do_count_local_symbols): Change map_to_output to
7359 output_sections.
7360 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
7361 output_sections and section_offsets.
7362 (Sized_relobj::write_local_symbols): Likewise.
7363 (map_to_kept_section): Compute output address directly.
7364 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
7365 output_sections and section_offsets.
7366 (Sized_relobj::write_sections): Likewise.
7367 (Sized_relobj::relocate_sections): Likewise.
7368 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
7369 * output.h (class Output_reloc): Update declarations. Change
7370 u2_.relobj to Sized_relobj*.
7371 (class Output_data_reloc): Change add functions to use
7372 Sized_relobj*.
7373 * output.cc (Output_reloc::Output_reloc): Change relobj to
7374 Sized_relobj*.
7375 (Output_reloc::local_section_offset): Change return type to
7376 Elf_Addr. Use get_output_section_offset.
7377 (Output_reloc::get_address): Likewise.
7378 (Output_section::is_input_address_mapped): Don't call
7379 is_section_specially_mapped.
7380 (Output_section::output_offset): Likewise.
7381 (Output_section::output_address): Likewise.
7382 (Output_section::starting_output_address): Likewise.
7383 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
7384 parameter to Sized_relobj*.
7385 (Copy_relocs::need_copy_reloc): Likewise.
7386 (Copy_relocs::save): Likewise.
7387 * copy-relocs.h (class Copy_relocs): Update declarations.
7388 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
7389 Sized_relobj*. Change relobj_ field to Sized_relobj*.
7390 * target-reloc.h (relocate_for_relocatable): Change
7391 offset_in_output_section type to Elf_Addr. Change code that uses
7392 it as well.
7393 * layout.cc (Layout::layout): Always set *off.
7394 * mapfile.cc (Mapfile::print_input_section): Use
7395 output_section_offset.
7396 * i386.cc (Target_i386::copy_reloc): Change object parameter to
7397 Sized_relobj*.
7398 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
7399 * sparc.cc (Target_sparc::copy_reloc): Likewise.
7400 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
7401
7402 2008-07-03 Ian Lance Taylor <iant@google.com>
7403
7404 * layout.cc (Layout::include_section): Do not discard unrecognized
7405 SHT_STRTAB sections.
7406
7407 2008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
7408
7409 * script.cc (Lex::can_continue_name): Make '?' allowable in
7410 version-script names.
7411 * testsuite/version_script.map: Change glob pattern to use '?'
7412
7413 2008-06-30 Manish Singh <yosh@gimp.org>
7414
7415 PR 6585
7416 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
7417 Correct typo.
7418
7419 2008-06-30 Ian Lance Taylor <iant@google.com>
7420
7421 PR 6660
7422 PR 6682
7423 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
7424 versions]: Don't try to read the value in the contents, since we
7425 don't use it. Use the template endianness when writing.
7426
7427 2008-06-25 Cary Coutant <ccoutant@google.com>
7428
7429 * fileread.cc (File_read::make_view): Assert on zero-length view.
7430 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
7431 symbol table when there are no symbols to read.
7432
7433 2008-06-23 Craig Silverstein <csilvers@google.com>
7434
7435 * version.cc (version_string): Bump to 1.7
7436
7437 2008-06-18 Craig Silverstein <csilvers@google.com>
7438
7439 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
7440 constant 0xFFFF to type Valtype.
7441 (Powerpc_relocate_functions::rel16_ha): Likewise.
7442
7443 2008-06-17 Ian Lance Taylor <iant@google.com>
7444
7445 * output.h (Output_section::Input_section): Initialize p2align_ to
7446 zero for Output_section_data constructors.
7447 (Output_section::Input_section::addralign): If not an input
7448 section, return the alignment of the Output_section_data.
7449 * testsuite/copy_test.cc: New file.
7450 * testsuite/copy_test_1.cc: New file.
7451 * testsuite/copy_test_2.cc: New file.
7452 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
7453 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
7454 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
7455 (copy_test_1_pic.o, copy_test_1.so): New targets.
7456 (copy_test_2_pic.o, copy_test_2.so): New targets.
7457 * testsuite/Makefile.in: Rebuild.
7458
7459 * script-sections.cc (Script_sections::place_orphan): Initialize
7460 local variable exact.
7461
7462 2008-06-13 David Edelsohn <edelsohn@gnu.org>
7463
7464 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
7465
7466 2008-06-12 David Edelsohn <edelsohn@gnu.org>
7467 David S. Miller <davem@davemloft.net>
7468
7469 * powerpc.cc: New file.
7470 * Makefile.am (TARGETSOURCES): Add powerpc.cc
7471 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
7472 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
7473 * Makefile.in: Rebuild.
7474
7475 2008-06-09 Ian Lance Taylor <iant@google.com>
7476
7477 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
7478 <exception>.
7479 (throwing, orig_terminate): New static variables.
7480 (terminate_handler): New static function.
7481 (t2): Set terminate handler.
7482
7483 2008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
7484
7485 PR 6584
7486 * binary.cc (Binary_to_elf::sized_convert): Fix .data
7487 alignment.
7488
7489 2008-05-30 Cary Coutant <ccoutant@google.com>
7490
7491 * archive.cc (Archive::include_all_members) Correct to step
7492 over symbol table and extended name table in thin archives.
7493
7494 2008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
7495
7496 PR 6407
7497 * target-reloc.h (relocate_for_relocatable): Fix new_offset
7498 calculation.
7499
7500 2008-05-28 Caleb Howe <cshowe@google.com>
7501
7502 * reduced_debug_output.cc: New file.
7503 * reduced_debug_output.h: New file.
7504 * options.h (class General_options): Add --strip-debug-non-line.
7505 * options.cc (General_options::finalize): Add strip_debug_non_line
7506 to the strip heirarchy.
7507 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
7508 fields.
7509 * layout.cc: Include "reduced_debug_output.h".
7510 (Layout::Layout): Initialize new fields.
7511 (line_only_debug_sections): New static array.
7512 (is_lines_only_debug_sections): New static inline function.
7513 (Layout::include_section): Handle --strip-debug-non-line.
7514 (Layout::make_output_section): If --strip-debug-non-line, build
7515 new output sections for .debug_abbrev and .debug_info.
7516 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
7517 gold. Warn about possible overflow.
7518 (read_signed_LEB_128): Likewise.
7519 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
7520 (read_signed_LEB_128): Declare.
7521 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
7522 (HFILES): Add reduced_debug_output.h.
7523 * Makefile.in: Rebuild.
7524
7525 2008-05-21 Ian Lance Taylor <iant@google.com>
7526
7527 * mapfile.cc: New file.
7528 * mapfile.h: New file.
7529 * options.h (class General_options): Add -M/--print-map and -Map.
7530 * options.cc (General_options::finalize): Make -M equivalent to
7531 -Map -.
7532 * main.cc: Include <cstdio> and "mapfile.h".
7533 (main): Open mapfile if requested.
7534 * gold.cc (class Middle_runner): Add mapfile_ field. Update
7535 constructor. Change caller.
7536 (queue_initial_tasks): Add mapfile parameter. Change caller.
7537 (queue_middle_tasks): Likewise.
7538 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
7539 declarations.
7540 * archive.cc: Include "mapfile.h".
7541 (Archive::add_symbols): Add mapfile parameter. Change all
7542 callers. Pass mapfile, symbol, and reason to include_member.
7543 (Archive::include_all_members): Add mapfile parameter. Change all
7544 callers.
7545 (Archive::include_member): Add mapfile, sym, and why parameters.
7546 Change all callers. Report inclusion to map file.
7547 * archive.h: Include "fileread.h".
7548 (class Archive): Update declarations.
7549 (Archive::file): New const method.
7550 (class Add_archive_symbols): Add mapfile_ field. Update
7551 constructor. Change all callers.
7552 * readsyms.h (class Read_symbols): Likewise.
7553 (class Finish_group): Likewise.
7554 (class Read_script): Likewise.
7555 * common.cc: Include "mapfile.h".
7556 (Symbol_table::allocate_commons): Add mapfile parameter. Change
7557 all callers.
7558 (Symbol_table::do_allocate_commons): Likewise.
7559 (Symbol_table::do_allocate_commons_list): Likewise. Report common
7560 symbol allocation to mapfile.
7561 * common.h (class Allocate_commons_task): Add mapfile_ field.
7562 Update constructor. Change all callers.
7563 * symtab.h (class Symbol_table): Update declarations.
7564 * layout.cc: Include "mapfile.h".
7565 (Layout_task_runner::run): Print information to mapfile.
7566 (Layout::create_gold_note): Change Output_data_fixed_space to
7567 Output_data_zero_fill.
7568 (Layout::create_build_id): Likewise.
7569 (Layout::print_to_mapfile): New function.
7570 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
7571 constructor. Change caller.
7572 (class Layout): Declare print_to_mapfile.
7573 * output.cc (Output_section::Input_section::print_to_mapfile): New
7574 function.
7575 (Output_section::add_input_section): If producing a map, always
7576 add to input_sections_ list.
7577 (Output_section::do_print_to_mapfile): New function.
7578 (Output_segment::print_sections_to_mapfile): New function.
7579 (Output_segment::print_section_list_to_mapfile): New function.
7580 * output.h: Include "mapfile.h".
7581 (Output_data::print_to_mapfile): New function.
7582 (Output_data::do_print_to_mapfile): New virtual function.
7583 (Output_segment_headers::do_print_to_mapfile): New function.
7584 (Output_file_header::do_print_to_mapfile): New function.
7585 (Output_data_const::do_print_to_mapfile): New function.
7586 (class Output_data_const_buffer): Add map_name_ field. Update
7587 constructor. Change all callers. Add do_print_to_mapfile
7588 function.
7589 (class Output_data_fixed_space): Likewise.
7590 (class Output_data_space): Likewise.
7591 (class Output_data_zero_fill): New class.
7592 (Output_data_strtab::do_print_to_mapfile): New function.
7593 (Output_data_reloc_base::do_print_to_mapfile): New function.
7594 (Output_relocatable_relocs::do_print_to_mapfile): New function.
7595 (Output_data_group::do_print_to_mapfile): New function.
7596 (Output_data_got::do_print_to_mapfile): New function.
7597 (Output_data_dynamic::do_print_to_mapfile): New function.
7598 (Output_symtab_xindex::do_print_to_mapfile): New function.
7599 (class Output_section): Declare do_print_to_mapflie. Declare
7600 print_to_mapfile in Input_section.
7601 (class Output_segment): Declare new functions.
7602 * object.h (Sized_relobj::symbol_count): New function.
7603 * script-sections.cc
7604 (Output_section_element_dot_assignment::set_section_addresses):
7605 Change Output_data_fixed_space to Output_data_zero_fill.
7606 (Output_data_expression::do_print_to_mapfile): New function.
7607 * script.cc (read_input_script): Add mapfile parameter. Change
7608 all callers.
7609 * script.h (read_input_script): Update declaration.
7610 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
7611 (Eh_frame::do_print_to_mapfile): New function.
7612 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
7613 (Output_merge_string::do_print_to_mapfile): New function.
7614 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
7615 function.
7616 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
7617 function.
7618 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
7619 function.
7620 * Makefile.am (CCFILES): Add mapfile.cc.
7621 (HFILES): Add mapfile.h.
7622 * Makefile.in: Rebuild.
7623
7624 2008-05-19 Ian Lance Taylor <iant@google.com>
7625
7626 * options.h (class General_options): Add -z relro.
7627 * layout.cc (Layout::Layout): Initialize relro_segment_.
7628 (Layout::add_output_section_data): Return the output section.
7629 (Layout::make_output_section): Rcognize relro sections and mark
7630 them appropriately.
7631 (Layout::attach_allocated_section_to_segment): Put relro sections
7632 in a PT_GNU_RELRO segment.
7633 (Layout::create_initial_dynamic_sections): Mark the .dynamic
7634 section as relro.
7635 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
7636 PT_TLS segments.
7637 (Layout::linkonce_mapping): Map d.rel.ro.local to
7638 .data.rel.ro.local.
7639 (Layout::output_section_name): Us .data.rel.ro.local for any
7640 section which begins with that.
7641 * layout.h (class Layout): Update add_output_section_data
7642 declaration. Add relro_segment_ field.
7643 * output.cc (Output_section::Output_section): Initialize is_relro_
7644 and is_relro_local_ fields.
7645 (Output_segment::add_output_section): Group relro sections.
7646 (Output_segment::is_first_section_relro): New function.
7647 (Output_segment::maximum_alignment): If there is a relro section,
7648 align the segment to the common page size.
7649 (Output_segment::set_section_addresses): Track whether we are
7650 looking at relro sections. If the last section is a relro
7651 section, align to the common page size.
7652 (Output_segment::set_section_list_addresses): Add in_relro
7653 parameter. Change all callers. Align to the page size when
7654 moving from relro to non-relro section.
7655 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
7656 segment.
7657 * output.h (class Output_section): Add is_relro_ and
7658 is_relro_local_ fields.
7659 (Output_section::is_relro): New function.
7660 (Output_section::set_is_relro): New function.
7661 (Output_section::is_relro_local): New function.
7662 (Output_section::set_is_relro_local): New function.
7663 (class Output_segment): Update declarations.
7664 * i386.cc (Target_i386::got_section): Mark .got section as relro.
7665 * sparc.cc (Target_sparc::got_section): Likewise.
7666 * x86_64.cc (Target_x86_64::got_section): Likewise.
7667 * testsuite/relro_test_main.cc: New file.
7668 * testsuite/relro_test.cc: New file.
7669 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
7670 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
7671 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
7672 (relro_test.so, relro_test_pic.o): New targets.
7673 * testsuite/Makefile.in: Rebuild.
7674
7675 2008-05-16 Ian Lance Taylor <iant@google.com>
7676
7677 * output.cc (Output_segment::add_output_section): Remove front
7678 parameter.
7679 * output.h (class Output_segment): Remove
7680 add_initial_output_section and overloaded add_output_section.
7681 Update declaration of remaining add_output_section.
7682 * layout.cc (Layout::create_interp): Call add_output_section
7683 rather than add_initial_output_section.
7684 (Layout::finish_dynamic_section): Likewise.
7685
7686 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
7687 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
7688 know the dynamic type.
7689 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
7690 field. Initialize it in constructor.
7691 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
7692 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
7693 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
7694 reloc.
7695
7696 * output.cc (Output_reloc::get_address): Change return type to
7697 Elf_Addr.
7698 * output.h (class Output_reloc): Update get_address declaration.
7699 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
7700 for section addresses.
7701
7702 2008-05-09 Ian Lance Taylor <iant@google.com>
7703
7704 PR 6493
7705 * gold.cc (gold_nomem): Use return value of write.
7706
7707 2008-05-08 Ian Lance Taylor <iant@google.com>
7708
7709 * symtab.c (Symbol::init_base_output_data): Add version
7710 parameter. Change all callers.
7711 (Symbol::init_base_output_segment): Likewise.
7712 (Symbol::init_base_constant): Likewise.
7713 (Symbol::init_base_undefined): Likewise.
7714 (Sized_symbol::init_output_data): Likewise.
7715 (Sized_symbol::init_output_segment): Likewise.
7716 (Sized_symbol::init_constant): Likewise.
7717 (Sized_symbol::init_undefined): Likewise.
7718 (Symbol_table::do_define_in_output_data): If the new symbol has a
7719 version, mark it as the default.
7720 (Symbol_table::do_define_in_output_segment): Likewise.
7721 (Symbol_table::do_define_as_constant): Likewise.
7722 * symtab.h (class Symbol): Update declarations.
7723 (class Sized_symbol): Likewise.
7724 * resolve.cc (Symbol::override_version): New function.
7725 (Symbol::override_base): Call override_version.
7726 (Symbol::override_base_with_special): Likewise.
7727 * testsuite/ver_script_8.script: New file.
7728 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
7729 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
7730 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
7731 (ver_test_8_1.so, ver_test_8_2.so): New targets.
7732
7733 2008-05-06 Ian Lance Taylor <iant@google.com>
7734
7735 PR 6049
7736 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
7737 functions.
7738 (class General_options): Remove existing --undefined, and add
7739 --no-undefined instead. Add new --undefined as synonym for -u.
7740 * archive.cc (Archive::add_symbols): Check whether symbol was
7741 named with -u.
7742 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
7743 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
7744 all uses. Add IS_UNDEFINED. Update declarations to split
7745 different versions of init_base. Declare init_base_undefined.
7746 (Symbol::is_defined): Handle IS_UNDEFINED.
7747 (Symbol::is_undefined): Likewise.
7748 (Symbol::is_weak_undefined): Call is_undefined.
7749 (Symbol::is_absolute): Handle IS_CONSTANT.
7750 (class Sized_symbol): Update declarations to split different
7751 versions of init. Declare init_undefined.
7752 (class Symbol_table): Declare new functions.
7753 * symtab.cc (Symbol::init_base_object): Rename from init_base.
7754 Change all callers.
7755 (Symbol::init_base_output_data): Likewise.
7756 (Symbol::init_base_output_segment): Likewise.
7757 (Symbol::init_base_constant): Likewise.
7758 (Symbol::init_base_undefined): New function.
7759 (Sized_symbol::init_object): Rename from init. Change all
7760 callers.
7761 (Sized_symbol::init_output_data): Likewise.
7762 (Sized_symbol::init_output_segment): Likewise.
7763 (Sized_symbol::init_constant): Likewise.
7764 (Sized_symbol::init_undefined): New function.
7765 (Symbol_table::add_undefined_symbols_from_command_line): New
7766 function.
7767 (Symbol_table::do_add_undefined_symbols_from_command_line): New
7768 function.
7769 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
7770 (Symbol::output_section): Likewise.
7771 (Symbol::set_output_section): Likewise.
7772 (Symbol_table::sized_finalize_symbol): Likewise.
7773 (Symbol_table::sized_write_globals): Likewise.
7774 * resolve.cc (Symbol_table::should_override): Likewise.
7775 (Symbol::override_base_with_special): Likewise.
7776
7777 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
7778 symbol, change it to have default visibility.
7779 * testsuite/protected_1.cc: New file.
7780 * testsuite/protected_2.cc: New file.
7781 * testsuite/protected_3.cc: New file.
7782 * testsuite/protected_main_1.cc: New file.
7783 * testsuite/protected_main_2.cc: New file.
7784 * testsuite/protected_main_3.cc: New file.
7785 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
7786 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
7787 (protected_1_LDFLAGS, protected_1_LDADD): Define.
7788 (protected_1.so): New target.
7789 (protected_1_pic.o, protected_2_pic.o): New targets.
7790 (protected_3_pic.o): New target.
7791 (check_PROGRAMS): Add protected_2.
7792 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
7793 (protected_2_LDFLAGS, protected_2_LDADD): Define.
7794 * testsuite/Makefile.in: Rebuild.
7795
7796 * options.h (DEFINE_var): Add set_user_set_##varname__.
7797 (DEFINE_bool_alias): New macro.
7798 (class General_options): Define -Bstatic using DEFINE_bool_alias
7799 rather than DEFINE_special. Add --undefined as an alias for -z
7800 defs.
7801 * options.cc (General_options::parse_Bstatic): Remove.
7802
7803 * options.h (class General_options): Add --fatal-warnings.
7804 * main.cc (main): Implement --fatal-warnings.
7805 * errors.h (Errors::warning_count): New function.
7806
7807 * options.h (class General_options): Add -Bsymbolic-functions.
7808 * symtab.h (Symbol::is_preemptible): Check for
7809 -Bsymbolic-functions.
7810
7811 2008-05-05 Ian Lance Taylor <iant@google.com>
7812
7813 * options.h (DEFINE_bool): For DASH_Z, create the negative option
7814 as noVARNAME rather than no-VARNAME.
7815 (class General_options): Add option -z combreloc.
7816 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
7817 get_address.
7818 (Output_reloc::sort_before) [SHT_REL]: New function.
7819 (Output_reloc::sort_before) [SHT_RELA]: New function.
7820 (class Output_data_reloc_base): Add sort_relocs_ field. Define
7821 Sort_relocs_comparison.
7822 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
7823 parameter. Change all callers.
7824 (Output_data_reloc::Output_data_reloc) [both versions]: Add
7825 sort_relocs parameter. Change all callers.
7826 * output.cc (Output_reloc::get_address): New function, broken out
7827 of write_rel.
7828 (Output_reloc::write_rel): Call it.
7829 (Output_reloc::compare): New function.
7830 (Output_data_reloc_base::do_write): Optionally sort relocs.
7831
7832 * configure.ac: If targ_extra_obj is set, link it in.
7833 * configure.tgt: Initialize all variables.
7834 (x86_64*): Set targ_extra_obj and targ_extra_size.
7835 * configure: Rebuild.
7836
7837 * object.cc (Sized_relobj::include_section_group): Adjust section
7838 indexes read from group data. Build vector to pass to
7839 layout_group.
7840 * layout.cc (Layout::layout_group): Add flags and shndxes
7841 parameters. Remove contents parameter. Change caller. Update
7842 explicit instantiations.
7843 * layout.h (class Layout): Update layout_group declaration.
7844 * output.cc (Output_data_group::Output_data_group): Add flags and
7845 input_shndxes parameters. Remove contents parameter. Change
7846 caller.
7847 (Output_data_group::do_write): Change input_sections_ to
7848 input_shndxes_.
7849 * output.h (class Output_data_group): Update constructor
7850 declaration. Rename input_sections_ to input_shndxes_.
7851 * testsuite/many_sections_test.cc: Add template.
7852
7853 2008-04-30 Cary Coutant <ccoutant@google.com>
7854
7855 * target-reloc.h (relocate_section): Fix dead-pointer bug.
7856
7857 * layout.cc (Layout::include_section): Refactored check for debug
7858 info section.
7859 (Layout::add_comdat): Add new parameters. Change type
7860 of signature parameter. Add object and shndx to signatures table.
7861 (Layout::find_kept_object): New function.
7862 * layout.h: Include <cstring>.
7863 (Layout::is_debug_info_section): New function.
7864 (Layout::add_comdat): Add new parameters.
7865 (Layout::find_kept_object): New function.
7866 (Layout::Kept_section): New struct.
7867 (Layout::Signatures): Change type of map range.
7868 * object.cc (Relobj::output_section_address): New function.
7869 (Sized_relobj::include_section_group): Add new parameters. Change
7870 calls to Layout::add_comdat. Change to build table of kept comdat
7871 groups and table mapping discarded sections to kept sections.
7872 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
7873 (Sized_relobj::do_layout): Change calls to include_section_group and
7874 include_linkonce_section.
7875 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
7876 value to zero when section is discarded.
7877 (Sized_relobj::map_to_kept_section): New function.
7878 * object.h (Relobj::output_section_address): New function.
7879 (Relobj::Comdat_group): New type.
7880 (Relobj::find_comdat_group): New function.
7881 (Relobj::Comdat_group_table): New type.
7882 (Relobj::Kept_comdat_section): New type.
7883 (Relobj::Kept_comdat_section_table): New type.
7884 (Relobj::add_comdat_group): New function.
7885 (Relobj::set_kept_comdat_section): New function.
7886 (Relobj::get_kept_comdat_section): New function.
7887 (Relobj::comdat_groups_): New field.
7888 (Relobj::kept_comdat_sections_): New field.
7889 (Symbol_value::input_value): Update comment.
7890 (Sized_relobj::map_to_kept_section) New function.
7891 (Sized_relobj::include_linkonce_section): Add new parameter.
7892 * target-reloc.h (Comdat_behavior): New type.
7893 (get_comdat_behavior): New function.
7894 (relocate_section): Add code to map a discarded section to the
7895 corresponding kept section when applying a relocation.
7896
7897 2008-04-30 Craig Silverstein <csilvers@google.com>
7898
7899 * dwarf_reader.cc (next_generation_count): New static var.
7900 (Addr2line_cache_entry): New struct.
7901 (addr2line_cache): New static var.
7902 (Dwarf_line_info::one_addr2line): Added caching.
7903 (Dwarf_line_info::clear_addr2line_cache): New function.
7904 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
7905 cache-size parameter.
7906 (Dwarf_line_info::one_addr2line_cache): New function.
7907 * symtab.cc (Symbol_table::detect_odr_violations): Pass
7908 new cache-size argument to one_addr2line(), and clear cache.
7909
7910 2008-04-28 Cary Coutant <ccoutant@google.com>
7911
7912 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
7913 R_386_PC8 relocations.
7914
7915 2008-04-23 Ian Lance Taylor <iant@google.com>
7916
7917 * object.cc (Sized_relobj::include_section_group): Check for
7918 invalid section group.
7919
7920 * object.cc (make_elf_object): Correct test for 64-bit ELF file
7921 header size.
7922
7923 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
7924 than read for file header.
7925 * archive.cc (Archive::include_member): Likewise.
7926
7927 2008-04-23 Paolo Bonzini <bonzini@gnu.org>
7928
7929 * aclocal.m4: Regenerate.
7930 * configure: Regenerate.
7931
7932 2008-04-19 Ian Lance Taylor <iant@google.com>
7933
7934 * version.cc (version_string): Bump to 1.6.
7935
7936 * testsuite/Makefile.am (many_sections_r_test): New target.
7937 (many_sections_r_test_SOURCES): Remove.
7938 (many_sections_r_test_DEPENDENCIES): Remove.
7939 (many_sections_r_test_LDFLAGS): Remove.
7940 (many_sections_r_test_LDADD): Remove.
7941
7942 * object.cc (Sized_relobj::do_add_symbols): Always pass
7943 local_symbol_count_ to add_from_relobj.
7944
7945 * testsuite/Makefile.am (many_sections_check.h): Only check one in
7946 every thousand variables.
7947 * testsuite/Makefile.in: Rebuild.
7948
7949 * object.cc (Xindex::initialize_symtab_xindex): New function.
7950 (Xindex::read_symtab_xindex): New function.
7951 (Xindex::sym_xindex_to_shndx): New function.
7952 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
7953 available.
7954 (Sized_relobj::do_initialize_xindex): New function.
7955 (Sized_relobj::do_read_symbols): Adjust section links.
7956 (Sized_relobj::symbol_section_and_value): Add is_ordinary
7957 parameter. Change all callers.
7958 (Sized_relobj::include_section_group): Adjust section links and
7959 symbol section indexes.
7960 (Sized_relobj::do_layout): Adjust section links.
7961 (Sized_relobj::do_count_local_symbols): Adjust section links and
7962 symbol section indexes.
7963 (Sized_relobj::do_finalize_local_symbols): Distinguish between
7964 ordinary and special symbols.
7965 (Sized_relobj::write_local_symbols): Add symtab_xindex and
7966 dynsym_xindex parameters. Change all callers. Adjust section
7967 links. Use SHN_XINDEX when needed.
7968 (Sized_relobj::get_symbol_location_info): Adjust section links.
7969 Don't get fooled by special symbols.
7970 * object.h (class Xindex): Define.
7971 (class Object): Add xindex_ parameter. Declare virtual functoin
7972 do_initialize_xindex.
7973 (Object::adjust_sym_shndx): New function.
7974 (Object::set_xindex): New protected function.
7975 (class Symbol_value): Add is_ordinary_shndx_ field.
7976 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
7977 (Symbol_value::value): Assert ordinary section.
7978 (Symbol_value::initialize_input_to_output_map): Likewise.
7979 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
7980 Change all callers.
7981 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
7982 all callers.
7983 (class Sized_relobj): Update declarations.
7984 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
7985 parameter. Change all callers.
7986 (Sized_relobj::adjust_shndx): New function.
7987 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
7988 field.
7989 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
7990 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
7991 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
7992 (Sized_dynobj::read_dynsym_section): Adjust section links.
7993 (Sized_dynobj::read_dynamic): Likewise.
7994 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
7995 section links.
7996 (Sized_dynobj::do_initialize_xindex): New function.
7997 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
7998 do_initialize_xindex.
7999 (Sized_dynobj::adjust_shndx): New function.
8000 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
8001 dynsym_xindex_ fields.
8002 (Layout::finalize): Add a call to set_section_indexes before
8003 creating the symtab sections.
8004 (Layout::set_section_indexes): Don't do anything if the section
8005 already has a section index.
8006 (Layout::create_symtab_sections): Add shnum parameter. Change
8007 caller. Create .symtab_shndx section if needed.
8008 (Layout::create_shdrs): Add shstrtab_section parameter. Change
8009 caller.
8010 (Layout::allocated_output_section_count): New function.
8011 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
8012 needed.
8013 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
8014 fields. Update declarations.
8015 (Layout::symtab_xindex): New function.
8016 (Layout::dynsym_xindex): New function.
8017 (class Write_symbols_task): Add layout_ field.
8018 (Write_symbols_task::Write_symbols_task): Add layout parameter.
8019 Change caller.
8020 * output.cc (Output_section_headers::Output_section_headers): Add
8021 shstrtab_section parameter. Change all callers.
8022 (Output_section_headers::do_sized_write): Store overflow values
8023 for section count and section string table section index in
8024 section header zero.
8025 (Output_file_header::do_sized_write): Check for overflow of
8026 section count and section string table section index.
8027 (Output_symtab_xindex::do_write): New function.
8028 (Output_symtab_xindex::endian_do_write): New function.
8029 * output.h (class Output_section_headers): Add shstrtab_section_.
8030 Update declarations.
8031 (class Output_symtab_xindex): Define.
8032 (Output_section::has_out_shndx): New function.
8033 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
8034 field.
8035 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
8036 Change all callers.
8037 (Sized_symbol::init): Likewise.
8038 (Symbol::output_section): Check for ordinary symbol.
8039 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
8040 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
8041 callers.
8042 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
8043 Change all callers. Simplify handling of symbols from sections
8044 not included in the link.
8045 (Symbol_table::add_from_dynobj): Handle ordinary symbol
8046 distinction.
8047 (Weak_alias_sorter::operator()): Assert that symbols are
8048 ordinary.
8049 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
8050 distinction.
8051 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
8052 parameters. Change all callers.
8053 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
8054 symbol distinction. Use SHN_XINDEX when needed.
8055 (Symbol_table::write_section_symbol): Add symtab_xindex
8056 parameter. Change all callers.
8057 (Symbol_table::sized_write_section_symbol): Likewise. Use
8058 SHN_XINDEX when needed.
8059 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
8060 declarations.
8061 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
8062 (Symbol::is_defined): Check is_ordinary.
8063 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
8064 (Symbol::is_absolute, Symbol::is_common): Likewise.
8065 (class Sized_symbol): Update declarations.
8066 (class Symbol_table): Update declarations.
8067 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
8068 parameters. Change all callers.
8069 (Sized_symbol::override): Likewise.
8070 (Symbol_table::override): Likewise.
8071 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
8072 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
8073 is_ordinary, and orig_st_shndx parameters. Change all callers.
8074 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
8075 to be in an ordinary section.
8076 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
8077 object and is_ordinary parameters. Change all callers.
8078 (Sized_dwarf_line_info::read_relocs): Add object parameter.
8079 Change all callers. Don't add undefined or non-ordinary symbols
8080 to reloc_map_.
8081 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
8082 Change all callers.
8083 * dwarf_reader.h (class Sized_dwarf_line_info): Update
8084 declarations.
8085 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
8086 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
8087 (Sized_relobj::relocate_sections): Likewise.
8088 * target-reloc.h (scan_relocs): Adjust section symbol index.
8089 (scan_relocatable_relocs): Likewise.
8090 * i386.cc (Scan::local): Check for ordinary symbols.
8091 * sparc.cc (Scan::local): Likewise.
8092 * x86_64.cc (Scan::local): Likewise.
8093 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
8094 to symbol_section_and_value.
8095 * testsuite/many_sections_test.cc: New file.
8096 * testsuite/Makefile.am (BUILT_SOURCES): Define.
8097 (check_PROGRAMS): Add many_sections_test.
8098 (many_sections_test_SOURCES): Define.
8099 (many_sections_test_DEPENDENCIES): Define.
8100 (many_sections_test_LDFLAGS): Define.
8101 (BUILT_SOURCES): Add many_sections_define.h.
8102 (many_sections_define.h): New target.
8103 (BUILT_SOURCES): Add many_sections_check.h.
8104 (many_sections_check.h): New target.
8105 (check_PROGRAMS): Add many_sections_r_test.
8106 (many_sections_r_test_SOURCES): Define.
8107 (many_sections_r_test_DEPENDENCIES): Define.
8108 (many_sections_r_test_LDFLAGS): Define.
8109 (many_sections_r_test_LDADD): Define.
8110 (many_sections_r_test.o): New target.
8111 * testsuite/Makefile.in: Rebuild.
8112
8113 2008-04-17 Cary Coutant <ccoutant@google.com>
8114
8115 * errors.cc (Errors::info): New function.
8116 (gold_info): New function.
8117 * errors.h (Errors::info): New function.
8118 * gold.h (gold_info): New function.
8119 * object.cc (Input_objects::add_object): Print trace output.
8120 * options.cc (options::parse_set): New function.
8121 (General_options::parse_wrap): Deleted.
8122 (General_options::General_options): Deleted initializer.
8123 * options.h (options::String_set): New typedef.
8124 (options::parse_set): New function.
8125 (DEFINE_set): New macro.
8126 (General_options::wrap): Changed to use DEFINE_set. Changed
8127 callers of any_wrap_symbols and is_wrap_symbol.
8128 (General_options::trace, General_options::trace_symbol):
8129 New options.
8130 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
8131 (General_options::wrap_symbols_): Deleted.
8132 * symtab.cc (Symbol_table::add_from_object): Print trace output.
8133
8134 2008-04-17 David S. Miller <davem@davemloft.net>
8135
8136 * options.cc (General_options::parse_V): New function.
8137 * options.h: Add entries for -V and -Qy.
8138
8139 2008-04-17 Ian Lance Taylor <iant@google.com>
8140
8141 * common.cc (Symbol_table::allocate_commons): Remove options
8142 parameter. Change caller.
8143 (Symbol_table::do_allocate_commons): Remove options parameter.
8144 Change caller. Just call do_allocate_commons_list twice.
8145 (Symbol_table::do_allocate_commons_list): New function, broken out
8146 of do_allocate_commons.
8147 * common.h (class Allocate_commons_task): Remove options_ field.
8148 Update constructor.
8149 * symtab.cc (Symbol_table::Symbol_table): Initialize
8150 tls_commons_.
8151 (Symbol_table::add_from_object): Put TLS common symbols on
8152 tls_commons_ list.
8153 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
8154 which are IN_OUTPUT_DATA.
8155 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
8156 allocate_commons and do_allocate_commons declarations. Declare
8157 do_allocate_commons_list.
8158 * gold.cc (queue_middle_tasks): Update creation of
8159 Allocate_commons_task to not pass options.
8160 * testsuite/Makefile.am (INCLUDES): Add -I.. .
8161 (TLS_TEST_C_FLAGS): New variable.
8162 (tls_test_c_pic.o): New target.
8163 (tls_test_shared.so): Link in tls_test_c_pic.o.
8164 (tls_test_c_pic_ie.o): New target.
8165 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
8166 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
8167 (tls_test_c.o): New target.
8168 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
8169 (tls_pic_test_LDADD): Likewise.
8170 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
8171 (tls_shared_gd_to_ie_test_LDADD): Likewise.
8172 (tls_test_c_gnu2.o): New target.
8173 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
8174 tls_test_c_gnu2.o.
8175 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
8176 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
8177 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
8178 * testsuite/tls_test.cc: Include "config.h".
8179 (t_last): Call t11_last.
8180 * testsuite/tls_test.h (t11, t11_last): Declare.
8181 * testsuite/tls_test_c.c: New file.
8182 * testsuite/tls_test_main.cc (thread_routine): Call t11.
8183 * configure.ac: Check for OpenMP support.
8184 * configure, config.in, Makefile.in: Rebuild.
8185 * testsuite/Makefile.in: Rebuild.
8186
8187 2008-04-16 Cary Coutant <ccoutant@google.com>
8188
8189 * i386.cc (Target_i386::define_tls_base_symbol): New function.
8190 (Target_i386::tls_base_symbol_defined_): New field.
8191 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8192 (Target_i386::Scan::global): Likewise.
8193 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
8194 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
8195 (Target_x86_64::tls_base_symbol_defined_): New field.
8196 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
8197 (Target_x86_64::Scan::global): Likewise.
8198
8199 2008-04-16 Cary Coutant <ccoutant@google.com>
8200
8201 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
8202 (Symbol::needs_plt_entry): Allow weak undefined symbols.
8203 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
8204 building shared libraries.
8205 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
8206 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
8207 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
8208 * testsuite/Makefile.in: Rebuild.
8209 * testsuite/weak_undef.h: New file.
8210 * testsuite/weak_undef_file1.cc: Add extra test cases.
8211 * testsuite/weak_undef_file2.cc: Likewise.
8212 * testsuite/weak_undef_test.cc: Likewise.
8213
8214 2008-04-16 David S. Miller <davem@davemloft.net>
8215
8216 * sparc.cc (Target_sparc::Scan): Change from struct to class.
8217 Add issued_non_pic_error_ field. Declare check_non_pic.
8218 (Target_sparc::Scan::check_non_pic): New function.
8219 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
8220 (Target_sparc::Scan::global): Likewise.
8221
8222 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
8223 * configure: Rebuild.
8224
8225 * options.h (DEFINE_enable): New macro.
8226 (new_dtags): New enable option.
8227 (initfirst, interpose, loadfltr, nodefaultlib,
8228 nodelete, nodlopen, nodump): New -z options.
8229 * layout.cc (Layout:finish_dynamic_section): If new
8230 dtags enabled, emit DT_RUNPATH. Also, emit a
8231 DT_FLAGS_1 containing any specified -z flags.
8232
8233 2008-04-16 Ian Lance Taylor <iant@google.com>
8234
8235 * copy-relocs.cc: New file.
8236 * copy-relocs.h: New file.
8237 * reloc.cc: Remove Copy_relocs code.
8238 * reloc.h: Likewise.
8239 * reloc-types.h (struct Reloc_types) [both versions]: Add
8240 get_reloc_addend_noerror.
8241 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
8242 variants of add_global which take an addend which must be zero.
8243 * i386.cc: Include "copy-relocs.h".
8244 (class Target_i386): Change type of copy_relocs_ to variable,
8245 update initializer.
8246 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
8247 Change all callers.
8248 (Target_i386::do_finalize_sections): Change handling of
8249 copy_relocs_.
8250 * sparc.cc: Include "copy-relocs.h".
8251 (class Target_sparc): Change type of copy_relocs_ to variable,
8252 update initializer.
8253 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
8254 Change all callers.
8255 (Target_sparc::do_finalize_sections): Change handling of
8256 copy_relocs_.
8257 * x86_64.cc: Include "copy-relocs.h".
8258 (class Target_x86_64): Change type of copy_relocs_ to variable,
8259 update initializer.
8260 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
8261 class. Change all callers.
8262 (Target_x86_64::do_finalize_sections): Change handling of
8263 copy_relocs_.
8264 * Makefile.am (CCFILES): Add copy-relocs.cc.
8265 (HFILES): Add copy-relocs.h.
8266
8267 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
8268
8269 * testsuite/script_test_4.sh: Permit leading zeroes.
8270
8271 2008-04-15 Ian Lance Taylor <iant@google.com>
8272
8273 * script-sections.cc (Script_sections::create_segments): Use
8274 header_size_adjustment even when there is enough room for the
8275 headers.
8276 * testsuite/script_test_4.sh: New file.
8277 * testsuite/script_test_4.t: New file.
8278 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
8279 (check_DATA): Add script_test_4.stdout.
8280 (MOSTLYCLEANFILES): Likewise.
8281 (script_test_4): New target.
8282 (script_test_4.stdout): New target.
8283 * testsuite/Makefile.in: Rebuild.
8284
8285 * sparc.cc: Add definitions for Output_data_plt_sparc class
8286 constants.
8287
8288 2008-04-14 David S. Miller <davem@davemloft.net>
8289
8290 * sparc.cc: New file.
8291 * Makefile.am (TARGETSOURCES): Add sparc.cc
8292 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
8293 * configure.tgt: Document targ_extra_size and
8294 targ_extra_big_endian. Add entries for sparc-* and
8295 sparc64-*.
8296 * configure.ac: Handle targ_extra_size and
8297 targ_extra_big_endian.
8298 * Makefile.in: Rebuild.
8299 * configure: Likewise.
8300 * po/POTFILES.in: Likewise.
8301 * po/gold.pot: Likewise.
8302
8303 2008-04-14 Ian Lance Taylor <iant@google.com>
8304
8305 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
8306 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
8307 in the name/type/flags to section mapping. Don't call
8308 allocate_output_section.
8309 (Layout::choose_output_section): Change parameter from adjust_name
8310 to is_input_section. Don't permit input sections after sections
8311 are attached to segments. Don't call allocate_output_section.
8312 (Layout::layout_eh_frame): Call update_flags_for_input_section,
8313 not write_enable_output_section.
8314 (Layout::make_output_section): Don't push to
8315 unattached_section_list_ nor call attach_to_segment. Call
8316 attach_section_to_segment if sections are attached.
8317 (Layout::attach_sections_to_segments): New function.
8318 (Layout::attach_section_to_segment): New function.
8319 (Layout::attach_allocated_section_to_segment): Rename from
8320 attach_to_segment. Remove flags parameter.
8321 (Layout::allocate_output_section): Remove function.
8322 (Layout::write_enable_output_section): Remove function.
8323 * layout.h (class Layout): Update for above changes. Add new
8324 field sections_are_attached_.
8325 * output.h (Output_section::update_flags_for_input_section): New
8326 function.
8327 * output.cc (Output_section::add_input_section): Call
8328 update_flags_for_input_section.
8329 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
8330
8331 2008-04-11 Cary Coutant <ccoutant@google.com>
8332
8333 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
8334 thought unnecessary.
8335 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
8336
8337 2008-04-11 Ian Lance Taylor <iant@google.com>
8338
8339 * output.h (class Output_section_data): Remove inline definition
8340 of set_addralign.
8341 * output.cc (Output_section_data::set_addralign): New function.
8342
8343 2008-04-11 Cary Coutant <ccoutant@google.com>
8344
8345 Add support for TLS descriptors for i386 and x86_64.
8346 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
8347 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
8348 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
8349 GOT_TYPE_TLS_DESC.
8350 (Target_i386::got_mod_index_entry): Remove unnecessary code.
8351 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
8352 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
8353 relocations.
8354 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
8355 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
8356 Fix problem with initial-exec relocations.
8357 (Target_i386::Relocate::relocate_tls): Likewise.
8358 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
8359 relaxation.
8360 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
8361 support for section-plus-offset dynamic table entries.
8362 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
8363 (Output_data_dynamic::Dynamic_entry): Add support for
8364 section-plus-offset dynamic table entries.
8365 (Output_data_dynamic::Classification): Likewise.
8366 (Output_data_dynamic::classification_): Renamed offset_.
8367 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
8368 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
8369 (Target_x86_64::make_plt_section): New function.
8370 (Target_x86_64::reserve_tlsdesc_entries): New function.
8371 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
8372 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
8373 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
8374 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
8375 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
8376 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
8377 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
8378 add extra PLT entry for TLS descriptors.
8379 (Output_data_plt_x86_64::got_): New field.
8380 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
8381 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
8382 fields.
8383 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
8384 descriptors.
8385 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
8386 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
8387 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
8388 R_386_TLS_DESC_CALL relocations.
8389 (Target_x86_64::Scan::global): Likewise.
8390 (Target_x86_64::do_finalize_sections): Add dynamic table entries
8391 for TLS descriptors.
8392 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
8393 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
8394 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
8395 GD-to-IE relaxation.
8396 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
8397 and TLS_DESCRIPTORS.
8398 * Makefile.in: Rebuild.
8399 * configure: Rebuild.
8400 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
8401 (tls_test_shared2.so): New target.
8402 (tls_shared_gd_to_ie_test_SOURCES): New variable.
8403 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
8404 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
8405 (tls_shared_gd_to_ie_test_LDADD): New variable.
8406 (tls_shared_gnu2_gd_to_ie_test): New target.
8407 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
8408 New targets.
8409 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
8410 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
8411 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
8412 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
8413 (tls_shared_gnu2_test): New target.
8414 (tls_test_gnu2_shared.so): New target.
8415 (tls_shared_gnu2_test_SOURCES): New variable.
8416 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
8417 (tls_shared_gnu2_test_LDFLAGS): New variable.
8418 (tls_shared_gnu2_test_LDADD): New variable.
8419 * testsuite/Makefile.in: Rebuild.
8420 * testsuite/Makefile.
8421
8422 2008-04-11 Ian Lance Taylor <iant@google.com>
8423
8424 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
8425 justsyms.t.
8426 * testsuite/Makefile.in: Rebuild.
8427
8428 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
8429 long.
8430 * testsuite/script_test_2.cc (main): Adjust test.
8431
8432 2008-04-11 David S. Miller <davem@davemloft.net>
8433 Ian Lance Taylor <iant@google.com>
8434
8435 * options.h (General_options): Add entries for '-Y' and
8436 '-relax'.
8437 * options.cc (General_options:finalize): If -Y was used, add those
8438 entries to the library path instead of the default "/lib" and
8439 "/usr/lib".
8440
8441 2008-04-11 David S. Miller <davem@davemloft.net>
8442
8443 * testsuite/justsyms.t: Start at 0x100.
8444 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
8445 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
8446 long.
8447 * testsuite/script_test_2.cc: Adjust string and section length
8448 checks.
8449
8450 2008-04-09 Ian Lance Taylor <iant@google.com>
8451
8452 PR gold/5996
8453 * script-sections.cc (Sections_element::allocate_to_segment): Add
8454 orphan parameter.
8455 (Output_section_definition::allocate_to_segment): Likewise.
8456 (Orphan_output_section::allocate_to_segment): Likewise.
8457 (Script_sections::attach_sections_using_phdrs_clause): Don't
8458 propagate non-PT_LOAD segments to orphan sections.
8459 * testsuite/Makefile.am (script_test_3.stdout): Generate using
8460 readelf rather than objdump.
8461 * testsuite/script_test_3.sh: Adjust accordingly. Test that
8462 .interp section and PT_INTERP segment are the same size.
8463 * testsuite/Makefile.in: Rebuild.
8464
8465 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
8466 aliases for symbols defined in the same object.
8467 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
8468 (weak_alias_test_SOURCES): New variable.
8469 (weak_alias_test_DEPENDENCIES): New variable.
8470 (weak_alias_test_LDFLAGS): New variable.
8471 (weak_alias_test_LDADD): New variable.
8472 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
8473 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
8474 (weak_alias_test_3.o): New target.
8475 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
8476 * testsuite/weak_alias_test_main.cc: New file.
8477 * testsuite/weak_alias_test_1.cc: New file.
8478 * testsuite/weak_alias_test_2.cc: New file.
8479 * testsuite/weak_alias_test_3.cc: New file.
8480
8481 2008-04-08 Ian Lance Taylor <iant@google.com>
8482
8483 * options.h (class General_options): Add --noinhibit-exec option.
8484 * main.cc (main): Check --noinhibit-exec.
8485
8486 * options.h (class General_options): Define --wrap as a special
8487 option. Add wrap_symbols_ field.
8488 (General_options::any_wrap_symbols): New function.
8489 (General_options::is_wrap_symbol): New function.
8490 * options.cc (General_options::parse_wrap): New function.
8491 (General_options::General_options): Initialize wrap_symbols_.
8492 * symtab.cc (Symbol_table::wrap_symbol): New function.
8493 (Symbol_table::add_from_object): Handle --wrap.
8494 * symtab.h (class Symbol_table): Declare wrap_symbol.
8495 * target.h (Target::wrap_char): New function.
8496 (Target::Target_info): Add wrap_char field.
8497 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
8498 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
8499 * testsuite/testfile.cc (Target_test::test_target_info):
8500 Likewise.
8501
8502 * errors.cc (Errors::undefined_symbol): Mention symbol version if
8503 there is one.
8504
8505 * layout.h (class Layout): Add added_eh_frame_data_ field.
8506 * layout.cc (Layout::Layout): Initialize new field.
8507 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
8508 output section until we find a section we merged successfully.
8509 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
8510 that the size be non-zero.
8511
8512 * merge.cc (Object_merge_map::get_output_offset): Remove inline
8513 qualifier.
8514
8515 2008-04-08 Craig Silverstein <csilvers@google.com>
8516
8517 * configure.ac: Export new conditional variable HAVE_ZLIB.
8518 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
8519 on HAVE_ZLIB.
8520 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
8521 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8522
8523 2008-04-07 Ian Lance Taylor <iant@google.com>
8524
8525 * version.cc (version_string): Set to "1.5".
8526
8527 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
8528 Add issued_non_pic_error_ field. Declare check_non_pic.
8529 (Target_x86_64::Scan::check_non_pic): New function.
8530 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
8531 (Target_x86_64::Scan::global): Likewise.
8532
8533 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
8534 addend parameter. Change caller. Handle merge sections.
8535 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
8536 Address to Addend. Don't add in the result of
8537 local_section_offset, pass down the addend and use the returned
8538 value.
8539 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
8540 Update declarations of local_section_offset and symbol_value.
8541 * testsuite/two_file_test_1.cc (t18): New function.
8542 * testsuite/two_file_test_2.cc (f18): New function.
8543 * testsuite/two_file_test_main.cc (main): Call t18.
8544 * testsuite/two_file_test.h (t18, f18): Declare.
8545
8546 * configure.ac: Don't test for objdump, c++filt, or readelf.
8547 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
8548 conditionals.
8549 (TEST_READELF): New variable.
8550 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
8551 (check_PROGRAMS): Add two_file_strip_test.
8552 (two_file_strip_test): New target.
8553 (check_PROGRAMS): Add two_file_same_shared_strip_test.
8554 (two_file_same_shared_strip_test_SOURCES): New variable.
8555 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
8556 (two_file_same_shared_strip_test_LDFLAGS): New variable.
8557 (two_file_same_shared_strip_test_LDADD): New variable.
8558 (two_file_shared_strip.so): New target.
8559 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
8560 (ver_test_5.syms, ver_test_7.syms): Likewise.
8561 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
8562 (strip_test_3.stdout): Use TEST_OBJDUMP.
8563 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8564
8565 2008-04-04 Cary Coutant <ccoutant@google.com>
8566
8567 * symtab.h (Symbol::is_weak_undefined): New function.
8568 (Symbol::is_strong_undefined): New function.
8569 (Symbol::is_absolute): New function.
8570 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
8571 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
8572 absolute symbols.
8573 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
8574 (weak_undef_test): New target.
8575 * testsuite/Makefile.in: Rebuild.
8576 * testsuite/weak_undef_file1.cc: New file.
8577 * testsuite/weak_undef_file2.cc: New file.
8578 * testsuite/weak_undef_test.cc: New file.
8579
8580 2008-04-03 Craig Silverstein <csilvers@google.com>
8581
8582 * compressed_output.h (class Output_compressed_section): Use
8583 unsigned buffer.
8584 * compressed_output.cc (zlib_compress): Use unsigned buffers,
8585 add zlib header.
8586 (zlib_compressed_suffix): Removed.
8587 (Output_compressed_section::set_final_data_size): Use unsigned
8588 buffers.
8589 * testsuite/Makefile.am (flagstest_compress_debug_sections):
8590 Fix linker invocation.
8591 (flagstest_o_specialfile_and_compress_debug_sections):
8592 Likewise.
8593 * testsuite/Makefile.in: Regenerated.
8594
8595 2008-04-02 David S. Miller <davem@davemloft.net>
8596
8597 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
8598 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
8599
8600 2008-04-02 Craig Silverstein <csilvers@google.com>
8601
8602 * TODO: New file.
8603
8604 2008-04-02 Ian Lance Taylor <iant@google.com>
8605
8606 * fileread.cc (File_read::find_view): Add byteshift and vshifted
8607 parameters. Update for new key type to views_. Change all
8608 callers.
8609 (File_read::read): Adjust for byteshift in returned view.
8610 (File_read::add_view): New function, broken out of
8611 find_and_make_view.
8612 (File_read::make_view): New function, broken out of
8613 find_and_make_view.
8614 (File_read::find_or_make_view): Add offset and aligned
8615 parameters. Rewrite accordingly. Change all callers.
8616 (File_read::get_view): Add offset and aligned parameters. Adjust
8617 for byteshift in return value.
8618 (File_read::get_lasting_view): Likewise.
8619 * fileread.h (class File_read): Update declarations.
8620 (class File_read::View): Add byteshift_ field. Add byteshift to
8621 constructor. Add byteshift method.
8622 * archive.h (Archive::clear_uncached_views): New function.
8623 (Archive::get_view): Add aligned parameter. Change all callers.
8624 * object.h (Object::get_view): Add aligned parameter. Change all
8625 callers.
8626 (Object::get_lasting_view): Likewise.
8627
8628 * fileread.cc (File_read::release): Don't call clear_views if
8629 there are multiple objects.
8630 * fileread.h (File_read::clear_uncached_views): New function.
8631 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
8632 on the archive.
8633
8634 2008-03-31 Cary Coutant <ccoutant@google.com>
8635
8636 Add thin archive support.
8637 * archive.cc (Archive::armagt): New const.
8638 (Archive::setup): Remove task parameter and calls to unlock.
8639 (Archive::unlock_nested_archives): New function.
8640 (Archive::read_header): Add nested_off parameter. Change
8641 all callers.
8642 (Archive::interpret_header): Likewise.
8643 (Archive::include_all_members): Change to handle thin
8644 archives.
8645 (Archive::include_member): Likewise.
8646 * archive.h (Archive::Archive): Add new parameters and
8647 initializers.
8648 (Archive::armagt): New const.
8649 (Archive::setup): Remove task parameter.
8650 (Archive::unlock_nested_archives): New function.
8651 (Archive::read_header): Add nested_off parameter.
8652 (Archive::interpret_header): Likewise.
8653 (Archive::Nested_archive_table): New typedef.
8654 (Archive::is_thin_archive_): New field.
8655 (Archive::nested_archives_): New field.
8656 (Archive::options_): New field.
8657 (Archive::dirpath_): New field.
8658 (Archive::task_): New field.
8659 * readsyms.cc (Read_symbols::do_read_symbols): Add check
8660 for thin archives. Pass additional parameters to
8661 Archive::Archive. Unlock the archive file after calling
8662 Archive::setup.
8663
8664 2008-03-29 Ian Lance Taylor <iant@google.com>
8665
8666 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
8667 version symbol to be local.
8668 * testsuite/ver_test_4.sh: New file.
8669 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
8670 (check_DATA): Add ver_test_4.syms.
8671 (ver_test_4.syms): New target.
8672 * testsuite/Makefile.in: Rebuild.
8673
8674 * output.cc
8675 (Output_section::Input_section_sort_entry::has_priority): New
8676 function.
8677 (Output_section::Input_section_sort_entry::match_file_name): New
8678 function.
8679 (Output_section::Input_section_sort_entry::match_section_name):
8680 Remove.
8681 (Output_section::Input_section_sort_entry::match_section_name_prefix):
8682 Remove.
8683 (Output_section::Input_section_sort_entry::match_section_file):
8684 Remove.
8685 (Output_section::Input_section_sort_compare::operator()): Rewrite
8686 using new Input_section_sort_entry functions. Sort crtbegin and
8687 crtend first. Sort sections with no priority before sections with
8688 a priority.
8689 * testsuite/initpri1.c (d3): Check j != 4.
8690 (cd5): New constructor/destructor function.
8691 (main): Check j != 2.
8692
8693 * symtab.cc (Symbol_table::add_from_object): If we don't use the
8694 new symbol when resolving, don't call set_is_default.
8695 * testsuite/ver_test_7.cc: New file.
8696 * testsuite/ver_test_7.sh: New file.
8697 * testsuite/Makefile.am (ver_test_7.so): New target.
8698 (ver_test_7.o): New target.
8699 (check_SCRIPTS): Add ver_test_7.sh.
8700 (check_DATA): Add ver_test_7.syms.
8701 (ver_test_7.syms): New target.
8702
8703 2008-03-28 Ian Lance Taylor <iant@google.com>
8704
8705 * layout.cc (Layout::layout): If we see an input section with a
8706 name that needs sorting, set the must_sort flag for the output
8707 section.
8708 (Layout::make_output_section): If the name of the output section
8709 indicates that it might require sorting, set the may_sort flag.
8710 * output.h (Output_section::may_sort_attached_input_sections): New
8711 function.
8712 (Output_section::set_may_sort_attached_input_sections): New
8713 function.
8714 (Output_section::must_sort_attached_input_sections): New
8715 function.
8716 (Output_section::set_must_sort_attached_input_sections): New
8717 function.
8718 (class Output_section): Declare Input_section_sort_entry. Define
8719 Input_section_sort_compare. Declare
8720 sort_attached_input_sections. Add new fields:
8721 may_sort_attached_input_sections_,
8722 must_sort_attached_input_sections_,
8723 attached_input_sections_are_sorted_.
8724 * output.cc (Output_section::Output_section): Initialize new
8725 fields.
8726 (Output_section::add_input_section): Add an entry to
8727 input_sections_ if may_sort or must_sort are true.
8728 (Output_section::set_final_data_size): Call
8729 sort_attached_input_sections if necessary.
8730 (Output_section::Input_section_sort_entry): Define new class.
8731 (Output_section::Input_section_sort_compare::operator()): New
8732 function.
8733 (Output_section::sort_attached_input_sections): New function.
8734 * configure.ac: Check whether the compiler supports constructor
8735 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
8736 * testsuite/initpri1.c: New file.
8737 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
8738 CONSTRUCTOR_PRIORITY.
8739 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
8740 (initpri1_LDFLAGS): New variable.
8741 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
8742
8743 2008-03-27 Ian Lance Taylor <iant@google.com>
8744
8745 * common.cc (Sort_commons::operator): Correct sorting algorithm.
8746 * testsuite/common_test_1.c: New file.
8747 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
8748 (common_test_1_SOURCES): New variable.
8749 (common_test_1_DEPENDENCIES): New variable.
8750 (common_test_1_LDFLAGS): New variable.
8751
8752 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
8753 and commons_ correctly when NAME/VERSION does not override
8754 NAME/NULL.
8755 * testsuite/ver_test_6.c: New file.
8756 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
8757 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
8758 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
8759
8760 2008-03-26 Ian Lance Taylor <iant@google.com>
8761
8762 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
8763 of an undefined symbol from a version script.
8764 * testsuite/Makefile.am (ver_test_5.so): New target.
8765 (ver_test_5.o): New target.
8766 (check_SCRIPTS): Add ver_test_5.sh.
8767 (check_DATA): Add ver_test_5.syms.
8768 (ver_test_5.syms): New target.
8769 * testsuite/ver_test_5.cc: New file.
8770 * testsuite/ver_test_5.script: New file.
8771 * testsuite/ver_test_5.sh: New file.
8772 * Makefile.in, testsuite/Makefile.in: Rebuild.
8773
8774 PR gold/5986
8775 Fix problems building gold with gcc 4.3.0.
8776 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
8777 (gold_error_at_location, gold_warning_at_location): Use it.
8778 * configure.ac: Check whether we can compile and use a template
8779 function with a printf attribute.
8780 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
8781 when jumping over bytes.
8782 * object.cc: Instantiate Object::read_section_data.
8783 * debug.h: Include <cstring>
8784 * dwarf_reader.cc: Include <algorithm>
8785 * main.cc: Include <cstring>.
8786 * options.cc: Include <cstring>.
8787 * output.cc: Include <cstring>.
8788 * script.cc: Include <cstring>.
8789 * script.h: Include <string>.
8790 * symtab.cc: Include <cstring> and <algorithm>.
8791 * target-select.cc: Include <cstring>.
8792 * version.cc: Include <string>.
8793 * testsuite/testmain.cc: Include <cstdlib>.
8794 * configure, config.in: Rebuild.
8795
8796 2008-03-25 Ian Lance Taylor <iant@google.com>
8797
8798 * options.cc: Include "../bfd/bfdver.h".
8799 (options::help): Print bug reporting address.
8800
8801 * version.cc (print_version): Adjust output for current value of
8802 BFD_VERSION_STRING.
8803
8804 * NEWS: New file.
8805
8806 * options.cc (options::help): Print list of supported targets.
8807 * target-select.h: Include <vector>.
8808 (class Target_selector): Make machine_, size_, and is_big_endian_
8809 fields const. Add bfd_name_ and instantiated_target_ fields.
8810 (Target_selector::Target_selector): Add bfd_name parameter.
8811 (Target_selector::recognize): Make non-virtual, call
8812 do_recognize.
8813 (Target_selector::recognize_by_name): Make non-virtual, call
8814 do_recognize_by_name.
8815 (Target_selector::supported_names): New function.
8816 (Target_selector::bfd_name): New function.
8817 (Target_selector::do_instantiate_target): New pure virtual
8818 function.
8819 (Target_selector::do_recognize): New virtual function.
8820 (Target_selector::do_recognize_by_name): New virtual function.
8821 (Target_selector::instantiate_target): New private function.
8822 (supported_target_names): Declare.
8823 * target-select.cc (Target_selector::Target_selector): Update for
8824 new parameter and fields.
8825 (select_target_by_name): Check that the name matches before
8826 calling recognize_by_name.
8827 (supported_target_names): New function.
8828 * i386.cc (class Target_selector_i386): Update Target_selector
8829 constructor call. Remove recognize and recognize_by_name. Add
8830 do_instantiate_target.
8831 * x86_64.cc (class Target_selector_x86_64): Likewise.
8832 * testsuite/testfile.cc (class Target_selector_test): Update for
8833 changes to Target_selector.
8834
8835 * README: Rewrite, with some notes on unsupported features.
8836
8837 2008-03-24 Cary Coutant <ccoutant@google.com>
8838
8839 * i386.cc (Target_i386::Got_type): New enum declaration.
8840 (Target_i386::Scan::local): Updated callers of Output_data_got
8841 member functions.
8842 (Target_i386::Scan::global): Likewise.
8843 (Target_i386::Relocate::relocate): Likewise.
8844 (Target_i386::Relocate::relocate_tls): Likewise.
8845 * object.h (Got_offset_list): New class.
8846 (Sized_relobj::local_has_got_offset): Added got_type parameter.
8847 (Sized_relobj::local_got_offset): Likewise.
8848 (Sized_relobj::set_local_got_offset): Likewise.
8849 (Sized_relobj::local_has_tls_got_offset): Removed.
8850 (Sized_relobj::local_tls_got_offset): Removed.
8851 (Sized_relobj::set_local_tls_got_offset): Removed.
8852 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
8853 * output.cc (Output_data_got::add_global): Added got_type parameter.
8854 (Output_data_got::add_global_with_rel): Likewise.
8855 (Output_data_got::add_global_with_rela): Likewise.
8856 (Output_data_got::add_global_pair_with_rel): New function.
8857 (Output_data_got::add_global_pair_with_rela): New function.
8858 (Output_data_got::add_local): Added got_type parameter.
8859 (Output_data_got::add_local_with_rel): Likewise.
8860 (Output_data_got::add_local_with_rela): Likewise.
8861 (Output_data_got::add_local_pair_with_rel): New function.
8862 (Output_data_got::add_local_pair_with_rela): New function.
8863 (Output_data_got::add_global_tls): Removed.
8864 (Output_data_got::add_global_tls_with_rel): Removed.
8865 (Output_data_got::add_global_tls_with_rela): Removed.
8866 (Output_data_got::add_local_tls): Removed.
8867 (Output_data_got::add_local_tls_with_rel): Removed.
8868 (Output_data_got::add_local_tls_with_rela): Removed.
8869 * output.h (Output_data_got::add_global): Added got_type parameter.
8870 (Output_data_got::add_global_with_rel): Likewise.
8871 (Output_data_got::add_global_with_rela): Likewise.
8872 (Output_data_got::add_global_pair_with_rel): New function.
8873 (Output_data_got::add_global_pair_with_rela): New function.
8874 (Output_data_got::add_local): Added got_type parameter.
8875 (Output_data_got::add_local_with_rel): Likewise.
8876 (Output_data_got::add_local_with_rela): Likewise.
8877 (Output_data_got::add_local_pair_with_rel): New function.
8878 (Output_data_got::add_local_pair_with_rela): New function.
8879 (Output_data_got::add_global_tls): Removed.
8880 (Output_data_got::add_global_tls_with_rel): Removed.
8881 (Output_data_got::add_global_tls_with_rela): Removed.
8882 (Output_data_got::add_local_tls): Removed.
8883 (Output_data_got::add_local_tls_with_rel): Removed.
8884 (Output_data_got::add_local_tls_with_rela): Removed.
8885 * resolve.cc (Symbol::override_base_with_special): Removed
8886 reference to has_got_offset_ field.
8887 * symtab.cc (Symbol::init_fields): Replaced initialization
8888 of got_offset_ with got_offsets_. Removed initialization
8889 of has_got_offset_
8890 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
8891 (Symbol::got_offset): Likewise.
8892 (Symbol::set_got_offset): Likewise.
8893 (Symbol::has_tls_got_offset): Removed.
8894 (Symbol::tls_got_offset): Removed.
8895 (Symbol::set_tls_got_offset): Removed.
8896 (Symbol::got_offset_): Removed.
8897 (Symbol::tls_mod_got_offset_): Removed.
8898 (Symbol::tls_pair_got_offset_): Removed.
8899 (Symbol::got_offsets_): New field.
8900 (Symbol::has_got_offset): Removed.
8901 (Symbol::has_tls_mod_got_offset): Removed.
8902 (Symbol::has_tls_pair_got_offset): Removed.
8903 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
8904 (Target_x86_64::Scan::local): Updated callers of Output_data_got
8905 member functions.
8906 (Target_x86_64::Scan::global): Likewise.
8907 (Target_x86_64::Relocate::relocate): Likewise.
8908 (Target_x86_64::Relocate::relocate_tls): Likewise.
8909
8910 2008-03-25 Ben Elliston <bje@au.ibm.com>
8911
8912 * yyscript.y: Fix spelling error in comment.
8913
8914 2008-03-24 Ian Lance Taylor <iant@google.com>
8915
8916 * options.h (class General_options): Define build_id option.
8917 * layout.h (class Layout): Declare write_build_id, create_note,
8918 create_build_id. Add build_id_note_ member.
8919 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
8920 "libiberty.h", "md5.h", "sha1.h".
8921 (Layout::Layout): Initialize eh_frame_data_,
8922 eh_frame_hdr_section_, and build_id_note_.
8923 (Layout::finalize): Call create_build_id.
8924 (Layout::create_note): New function, broken out of
8925 Layout::create_gold_note.
8926 (Layout::create_gold_note): Call create_note.
8927 (Layout::create_build_id): New function.
8928 (Layout::write_build_id): New function.
8929 (Close_task_runner::run): Call write_build_id.
8930
8931 * x86_64.cc: Correct license to GPLv3.
8932
8933 2008-03-23 Ian Lance Taylor <iant@google.com>
8934
8935 * options.cc: Include "demangle.h".
8936 (parse_optional_string): New function.
8937 (parse_long_option): Handle takes_optional_argument.
8938 (parse_short_option): Update dash_z initializer. Handle
8939 takes_optional_argument.
8940 (General_options::General_options): Initialize do_demangle_.
8941 (General_options::finalize): Set do_demangle_. Handle demangling
8942 style.
8943 * options.h (parse_optional_string): Declare.
8944 (struct One_option): Add optional_arg field. Update constructor.
8945 Update call constructor calls. Add takes_optional_argument
8946 function.
8947 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
8948 (DEFINE_optional_string): Define.
8949 (General_options::demangle): Change from DEFINE_bool to
8950 DEFINE_optional_string.
8951 (General_options::no_demangle): New function.
8952 (General_options::do_demangle): New function.
8953 (General_options::set_do_demangle): New function.
8954 (General_options::execstack_status_): Move definition to end of
8955 class definition.
8956 (General_options::static_): Likewise.
8957 (General_options::do_demangle_): New field.
8958 * object.cc (big_endian>::get_symbol_location_info): Call
8959 Options::do_demangle, not Options::demangle.
8960 * symtab.cc (demangle): Likewise.
8961
8962 2008-03-22 Ian Lance Taylor <iant@google.com>
8963
8964 * gold.h: Include <cstddef> and <sys/types.h>
8965 * options.h: Include <cstring>.
8966
8967 2008-03-21 Ian Lance Taylor <iant@google.com>
8968
8969 * Added source code to GNU binutils.