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PR 6992
[deliverable/binutils-gdb.git] / gold / ChangeLog
CommitLineData
b4ecf66b
ILT		 12009-02-28 Ian Lance Taylor <iant@google.com>
2
3 PR 6992
4 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
5 relocatable link set the value of the section symbol to zero.
6 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
7 relocatable link don't include the section address in the local
8 symbol value.
9
0602e05a
ILT		 102009-02-27 Ian Lance Taylor <iant@google.com>
11
fd9d194f
ILT		 12 PR 6811
13 * options.h (class Search_directory): Add is_system_directory.
14 (class General_options): Declare is_in_system_directory.
15 * options.cc (get_relative_sysroot): Make static.
16 (get_default_sysroot): Make static.
17 (General_optoins::is_in_system_directory): New function.
18 * fileread.cc (Input_file::is_in_system_directory): New function.
19 * fileread.h (class Input_file): Declare is_in_system_directory.
20 * object.h (class Object): Add is_in_system_directory.
21 (class Input_objects): Remove system_library_directory_ field.
22 * object.cc (Input_objects::add_object): Don't set
23 system_library_directory_.
24 (input_objects::found_in_system_library_directory): Remove.
25 * symtab.cc (Symbol_table::write_globals): Remove input_objects
26 parameter. Change all callers.
27 (Symbol_table::sized_write_globals): Likewise.
28 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
29 Call Object::is_in_system_directory.
30 * symtab.h (class Symbol_table): Update declarations.
31
61edd21f
ILT		 32 PR 5990
33 * descriptors.h (Open_descriptor): Add is_on_stack field.
34 * descriptors.cc (Descriptors::open): If the descriptor is on the
35 top of the stack, remove it. Initialize is_on_stack field.
36 (Descriptors::release): Only add pod to stack if it is not on the
37 stack already.
38 (Descriptors::close_some_descriptor): Clear stack_next and
39 is_on_stack fields.
40
e29e076a
ILT		 41 PR 7091
42 * output.cc (Output_section::find_starting_output_address): Rename
43 from starting_output_address; add PADDR parameter; change return
44 type.
45 * output.h (class Output_section): Declare
46 find_starting_output_address instead of starting_output_address.
47 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
48 section symbol for which we can't find a merge section.
49
0602e05a
ILT		 50 PR 9836
51 * symtab.cc (Symbol_table::add_from_object): If the visibility is
52 hidden or internal, force the symbol to be local.
53 * resolve.cc (Symbol::override_visibility): Define.
54 (Symbol::override_base): Use override_visibility.
55 (Symbol_table::resolve): Likewise.
56 (Symbol::override_base_with_special): Likewise.
57 (Symbol_table::override_with_special): If the visibility is hidden
58 or internal, force the symbol to be local.
59 * symtab.h (class Symbol): Add set_visibility and
60 override_visibility.
61 * testsuite/ver_test_1.sh: New file.
62 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
63 (check_DATA): Add ver_test_1.syms.
64 (ver_test_1.syms): New target.
65 * testsuite/Makefile.in: Rebuild.
66
401a9a73
CC		 672009-02-25 Cary Coutant <ccoutant@google.com>
68
69 * layout.cc (Layout::choose_output_section): Don't rename sections
70 when using a linker script that has a SECTIONS clause.
71 * Makefile.in: Regenerate.
72
73 * testsuite/Makefile.am (script_test_5.sh): New test case.
74 * testsuite/Makefile.in: Regenerate.
75 * testsuite/script_test_5.cc: New file.
76 * testsuite/script_test_5.sh: New file.
77 * testsuite/script_test_5.t: New file.
78
f488e4b0
CC		 792009-02-13 Rafael Avila de Espindola <espindola@google.com>
80
81 * archive.cc (Archive::include_member): Update calls to add_symbols.
82 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
83 the Layout argument.
84 * dynobj.h (do_add_symbols): Add the Layout argument.
85 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
86 Layout argument.
87 * object.h (Object::add_symbols): Add the Layout argument.
88 (Object::do_add_symbols): Add the Layout argument.
89 (Sized_relobj::do_add_symbols): Add the Layout argument.
90 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
91 Unify the two versions.
92 (Add_plugin_symbols): Remove.
93 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
94 (Sized_pluginobj::do_add_symbols): Unify the two versions.
95 (Add_plugin_symbols): Remove.
96 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
97 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
98 (Add_symbols::run): Make it work with Pulginobj.
99
89dd1680
ILT		 1002009-02-06 Ian Lance Taylor <iant@google.com>
101
102 * object.cc (Sized_relobj::do_layout): Make info message start
103 with lower case letter.
104
266d0a74
ILT		 1052009-02-06 Mikolaj Zalewski <mikolajz@google.com>
106
602b464e
ILT		 107 * binary.cc: Fix file comment.
108
266d0a74
ILT		 109 * options.h (enum Incremental_disposition): Define.
110 (class General_options): Add new options: --incremental,
111 --incremental_changed, --incremental_unchanged,
112 --incremental_unknown. Add incremental_disposition_ and
113 implicit_incremental_ fields.
114 (General_options::incremental_disposition): New function.
115 (class Position_dependent_options): Add incremental_disposition
116 option.
117 (Position_dependent_options::copy_from_options): Set incremental
118 dispositions.
119 * options.cc (General_options::parse_incremental_changed): New
120 function.
121 (General_options::parse_incremental_unchanged): New function.
122 (General_options::parse_incremental_unknown): New function.
123 (General_options::General_options): Initialize new fields
124 incremental_disposition_ and implicit_incremental_.
125 (General_options::finalize): Check for uasge of --incremental-*
126 without --incremental.
127
f073bbf7
CD		 1282009-02-06 Chris Demetriou <cgd@google.com>
129
130 * gold.h (gold_undefined_symbol): Change to take only a Symbol
131 pointer and to report location as the file name associated with
132 the symbol.
133 (gold_undefined_symbol_at_location): New function to replace the
134 old gold_undefined_symbol functionality.
135 * target-reloc.h (relocate_section): Update to use
136 gold_undefined_symbol_at_location.
137 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
138 Call gold_undefined_symbol function rather than gold_error.
139 * errors.h (Errors::undefined_symbol): Take location as a
140 string, rather than calculating it from a relocation.
141 * errors.cc (Errors::fatal): Print "fatal error:" before the
142 formatted message.
143 (Errors::error, Errors::error_at_location): Print "error: "
144 before the formatted message.
145 (Errors::undefined_symbol): Take location as a string, rather
146 than calculating it from a relocation.
147 (gold_undefined_symbol_at_location): New function akin to
148 old gold_undefined_symbol, calculates location from relocation.
149 (gold_undefined_symbol): Change to take only a Symbol pointer
150 and to report location as the file name associated with the symbol.
151 * testsuite/debug_msg.sh: Update for changed error messages.
152 * testsuite/undef_symbol.sh: Likewise.
153
8e94a90c
ILT		 1542009-02-04 Duncan Sands <baldrick@free.fr>
155
156 PR 9812
157 * reduced_debug_output.h
158 (Output_reduced_debug_abbrev_section::failed): Use format for
159 gold_warning.
160 (Output_reduced_debug_info_section::faild): Likewise.
161
88a0e15b
ILT		 1622009-01-31 Mikolaj Zalewski <mikolajz@google.com>
163
164 * script.cc (Lazy_demangler): New class.
165 (Version_script_info::get_symbol_version_helper): Demangle a
166 symbol only once.
167
5efc7cd2
CC		 1682009-01-29 Cary Coutant <ccoutant@google.com>
169
170 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
171 to __tls_get_addr.
172 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
173
e0ebcf42
ILT		 1742009-01-28 Ian Lance Taylor <iant@google.com>
175
5efc7cd2 176 * version.cc (version_string): Bump to 1.9.
75fe7426 177
e0ebcf42
ILT		 178 * gold.h: Include <cstring> and <stdint.h>.
179 * version.cc: Include <cstdio>.
180 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
181 warning.
182 * reduced_debug_output.cc (insert_into_vector): Rename from
183 Insert_into_vector; change all callers. Use Swap_unaligned to
184 avoid aliasing issue; remove union since it is unnecessary.
185
8e2813be 1862009-01-27 Sriraman Tallam <tmsriram@google.com>
6d03d481
ST		 187
188 * Makefile.am (CCFILES): Add gc.cc.
189 (HFILES): Add gc.h.
190 * Makefile.in: Regenerate.
191 * gold.cc (Gc_runner): New class.
192 (queue_initial_tasks): Call garbage collection related tasks
193 when corresponding options are invoked.
194 (queue_middle_gc_tasks): New function.
195 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
196 processed early before laying out sections during garbage collection.
197 * gold.h (queue_middle_gc_tasks): New function.
198 (is_prefix_of): Move from "layout.cc".
199 * i386.cc (Target_i386::gc_process_relocs): New function.
200 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
201 * main.cc (main): Create object of class "Garbage_collection".
202 * object.cc (Relobj::copy_symbols_data): New function.
203 (Relobj::is_section_name_included): New function.
204 (Sized_relobj::do_layout): Allow this function to be called twice
205 during garbage collection and defer layout of section during the
206 first call.
207 * object.h (Relobj::get_symbols_data): New function.
208 (Relobj::is_section_name_included): New function.
209 (Relobj::copy_symbols_data): New function.
210 (Relobj::set_symbols_data): New function.
211 (Relobj::get_relocs_data): New function.
212 (Relobj::set_relocs_data): New function.
213 (Relobj::is_output_section_offset_invalid): New pure virtual function.
214 (Relobj::gc_process_relocs): New function.
215 (Relobj::do_gc_process_relocs): New pure virtual function.
216 (Relobj::sd_): New data member.
217 (Sized_relobj::is_output_section_offset_invalid): New function.
218 (Sized_relobj::do_gc_process_relocs): New function.
219 * options.h (General_options::gc_sections): Modify to not be a no-op.
220 (General_options::print_gc_sections): New option.
221 * plugin.cc (Plugin_finish::run): Remove function call to
222 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
223 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
224 * reloc.cc (Read_relocs::run): Add task to process relocs and
225 determine unreferenced sections when doing garbage collection.
226 (Gc_process_relocs): New class.
227 (Sized_relobj::do_gc_process_relocs): New function.
228 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
229 sections that are garbage collected.
230 * reloc.h (Gc_process_relocs): New class.
231 * sparc.cc (Target_sparc::gc_process_relocs): New function.
232 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
233 symbols whose corresponding sections are garbage collected.
234 (Symbol_table::Symbol_table): Add new parameter for the garbage
235 collection object.
236 (Symbol_table::gc_mark_undef_symbols): New function.
237 (Symbol_table::gc_mark_symbol_for_shlib): New function.
238 (Symbol_table::gc_mark_dyn_syms): New function.
239 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
240 as garbage.
241 (Symbol_table::add_from_object): Likewise.
242 (Symbol_table::add_from_relobj): When building shared objects, do not
243 treat externally visible symbols as garbage.
244 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
245 table information for static and relocatable links.
246 * symtab.h (Symbol_table::set_gc): New function.
247 (Symbol_table::gc): New function.
248 (Symbol_table::gc_mark_undef_symbols): New function.
249 (Symbol_table::gc_mark_symbol_for_shlib): New function.
250 (Symbol_table::gc_mark_dyn_syms): New function.
251 (Symbol_table::gc_): New data member.
252 * target.h (Sized_target::gc_process_relocs): New pure virtual
253 function.
254 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
255 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
256
3b293544
CF		 2572009-01-20 Chris Faylor <me.sourceware@sourceware.org>
258
259 * options.h (General_options::gc_sections): Define as a no-op for now.
260 (General_options::no_keep_memory): Ditto.
261 (General_options::Bshareable): Define.
262 * options.cc (General_options::finalize): Honor -Bshareable.
263
83d22aa8
AS		 2642009-01-20 Andreas Schwab <schwab@suse.de>
265
266 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
267 read the value in the contents, since we don't use it. Use the
268 template endianness when writing.
269 (Relocate::relocate): Use it for R_PPC_REL16_HA.
270
cd536b21
AS		 2712009-01-19 Andreas Schwab <schwab@suse.de>
272
273 * configure.tgt (powerpc64-*): Fix targ_obj.
274
99e9a495
ILT		 2752009-01-15 Ian Lance Taylor <iant@google.com>
276
277 * object.cc (Sized_relobj::write_local_symbols): Don't write out
278 local symbols when stripping all symbols.
279
bbbfea06
CC		 2802009-01-14 Cary Coutant <ccoutant@google.com>
281
99e9a495 282 * output.cc (Output_reloc): Add explicit instantiations.
bbbfea06 283
0f7c0701
CC		 2842009-01-14 Cary Coutant <ccoutant@google.com>
285
286 * archive.cc (Archive::get_elf_object_for_member): Remove call
287 to File_read::claim_for_plugin.
288 * descriptors.cc (Descriptors::open): Remove reference to
289 is_claimed.
290 (Descriptors::claim_for_plugin): Remove.
291 * descriptors.h (Descriptors::claim_for_plugin): Remove.
292 (Descriptors::is_claimed): Remove.
293 (claim_descriptor_for_plugin): Remove.
294 * fileread.cc (File_read::claim_for_plugin): Remove.
295 * fileread.h (File_read::claim_for_plugin): Remove.
296 (File_read::descriptor): Reopen descriptor if necessary.
297 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
298 (Plugin_manager::all_symbols_read): Add task parameter. Change
299 all callers.
300 (Plugin_manager::get_input_file): New function.
301 (Plugin_manager::release_input_file): New function.
302 (Pluginobj::Pluginobj): Add filesize parameter and initialize
303 corresponding data member.
304 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
305 and pass to base constructor. Change all callers.
306 (get_input_file, release_input_file): New functions.
307 (make_sized_plugin_object): Add filesize parameter. Change all callers.
308 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
309 (Plugin_manager::all_symbols_read): Add task parameter.
310 (Plugin_manager::get_input_file): New function.
311 (Plugin_manager::release_input_file): New function.
312 (Plugin_manager::task_): New data member.
313 (Pluginobj::Pluginobj): Add filesize parameter.
314 (Pluginobj::filename): New function.
315 (Pluginobj::descriptor): New function.
316 (Pluginobj::filesize): New function.
317 (Pluginobj::filesize_): New data member.
318 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
319 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
320 File_read::claim_for_plugin; use Object::unlock to unlock the file.
321
322 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
323 with archive libraries.
324 * testsuite/Makefile.in: Regenerate.
325 * testsuite/plugin_test.c (struct sym_info): New type.
326 (get_input_file, release_input_file): New static variables.
327 (onload): Capture new transfer vector entries.
328 (claim_file_hook): Stop reading at end of file according to filesize.
329 Factor out parsing of readelf output into separate function.
330 (all_symbols_read_hook): Exercise get_input_file and release_input_file
331 APIs and get the source file name from the symbol table. Convert
332 source file name to corresponding object file name. Print info
333 message when adding new input files.
334 (parse_readelf_line): New function.
335 * testsuite/plugin_test_1.sh: Add checks for new info messages.
336 * testsuite/plugin_test_2.sh: Likewise.
337 * testsuite/plugin_test_3.sh: Likewise.
338 * testsuite/plugin_test_4.sh: New test case.
339
62a6d109
ILT		 3402009-01-07 Ian Lance Taylor <iant@google.com>
341
342 * version.cc (version_string): Bump to 1.8.
343
483620e8
CC		 3442008-12-23 Cary Coutant <ccoutant@google.com>
345
346 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
347 * plugin.cc (Plugin_manager::finish): Rename as
348 layout_deferred_objects. Move cleanup to separate function.
349 (Plugin_manager::cleanup): New function.
350 (Plugin_finish::run): Call layout_deferred_objects and cleanup
351 separately.
352 * plugin.h (Plugin_manager::finish): Rename as
353 layout_deferred_objects.
354 (Plugin_manager::cleanup): New function.
355 (Plugin_manager::cleanup_done): New field.
356
d66a9eb3
CC		 3572008-12-23 Cary Coutant <ccoutant@google.com>
358
359 * plugin.cc (is_visible_from_outside): New function.
360 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
361 so we don't return "IR only" status for exported symbols or -r links.
362
363 * testsuite/Makefile.am (plugin_test_3): New test case.
364 * testsuite/Makefile.in: Regenerate.
365 * testsuite/plugin_test_3.sh: New file.
366
5995b570
CC		 3672008-12-22 Cary Coutant <ccoutant@google.com>
368
369 * object.cc (Sized_relobj::layout_section): New function.
370 (Sized_relobj::do_layout): Defer layout of input sections until after
371 plugin has provided replacement files.
372 (Sized_relobj::do_layout_deferred_sections): New function.
373 * object.h (Relobj::set_section_offset): Remove virtual keyword.
374 (Relobj::layout_deferred_sections): New function.
375 (Relobj::do_layout_deferred_sections): New function.
376 (Sized_relobj::do_layout_deferred_sections): New function.
377 (Sized_relobj::layout_section): New function.
378 (Sized_relobj::Deferred_layout): New structure.
379 (Sized_relobj::deferred_layout_): New field.
380 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
381 Change all callers. Layout deferred sections.
382 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
383 references.
384 (Plugin_hook::run): Move code from do_plugin_hook inline.
385 (Plugin_hook::do_plugin_hook): Remove.
386 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
387 (Plugin_manager::finish): Renamed, was cleanup.
388 (Plugin_manager::should_defer_layout): New function.
389 (Plugin_manager::add_deferred_layout_object): New function.
390 (Plugin_manager::Deferred_layout_list): New type.
391 (Plugin_manager::deferred_layout_objects_): New field.
392 (Plugin_hook::do_plugin_hook): Remove.
393
ee769c88
ILT		 3942008-12-17 Ian Lance Taylor <iant@google.com>
395
396 * options.h (class General_options): Add --no case for
397 --export-dynamic.
398
abc8dcba
CC		 3992008-12-16 Cary Coutant <ccoutant@google.com>
400
401 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
402 vector.
403 (Plugin_manager::claim_file): Create plugin object even if
404 plugin did not call the add_symbols callback.
405 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
406 asking for more symbols than were added.
407 * testsuite/Makefile.am (plugin_test_1): Add test case with
408 no global symbols.
409 (empty.syms): New target.
410 * testsuite/Makefile.in: Regenerate.
411 * testsuite/plugin_test.c (claim_file_hook): Add new debug
412 message. Don't call add_symbols if no globals.
413 (all_symbols_read_hook): Don't provide replacement for empty
414 claimed file.
415
b0074644
ILT		 4162008-12-12 Ian Lance Taylor <iant@google.com>
417
68943102
ILT		 418 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
419 r_type == 0 for a local symbol with r_sym == 0.
420 (scan_relocatable_relocs): Pass r_sym to
421 local_non_section_strategy.
422 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
423 r_sym parameter.
424
b0074644
ILT		 425 * configure.ac: Update test for TLS descriptors: they are
426 supported as of glibc 2.9.
427 * configure: Rebuild.
428
c2508178
ILT		 4292008-12-11 Ian Lance Taylor <iant@google.com>
430
431 PR 7091
432 * target-reloc.h (Default_scan_relocatable_relocs): For each
433 function, map r_type == 0 to RELOC_DISCARD.
434
2756a258
CC		 4352008-12-10 Cary Coutant <ccoutant@google.com>
436
437 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
438 object to override a kept COMDAT group from a plugin object.
439
bb6f53d3
ILT		 4402008-12-09 Ian Lance Taylor <iant@google.com>
441
fbc558e1
ILT		 442 PR 7088
443 * yyscript.y (file_cmd): Handle INPUT.
444
bb6f53d3
ILT		 445 * testsuite/initpri1.c: Change all declarations to be full
446 prototypes by adding void, to avoid compiler warnings.
447
4674ecfc
CC		 4482008-12-05 Rafael Avila de Espindola <espindola@google.com>
449
450 * options.cc (General_options::parse_plugin_opt): New.
451 (General_options::add_plugin): The argument now is just the filename.
452 (General_options::add_plugin_option): New.
453 * options.h (plugin_opt): New.
454 (add_plugin): Change argument name.
455 (add_plugin_option): New.
456 * plugin.cc (Plugin::load): Don't parse the plugin option.
457 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
458 (Plugin::add_option): New.
459 (Plugin::args_): Change type.
460 (Plugin::filename_): New.
461 (Plugin_manager::add_plugin_option): New.
462 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
463 * testsuite/Makefile.in: Regenerate.
464
fd06b4aa
CC		 4652008-12-05 Cary Coutant <ccoutant@google.com>
466
467 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
468 Handle --strip-lto-sections option.
469 * options.h (strip_lto_sections): New option.
470
6c52134c
CC		 4712008-12-01 Cary Coutant <ccoutant@google.com>
472
473 * plugin.cc (ld_plugin_message): Change format parameter to const.
474 Fix mismatch between new[] and delete.
475
a45248e0
CC		 4762008-11-14 Cary Coutant <ccoutant@google.com>
477
478 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
479 instead of -1U.
480
c82fbeee
CS		 4812008-11-05 Craig Silverstein <csilvers@google.com>
482
483 * options.cc (General_options::parse_dynamic_list): New function.
484 * options.h (General_options): New flags dynamic_list,
485 dynamic_list_data, dynamic_list_cpp_new, and
486 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
487 (General_options::in_dynamic_list): New function.
488 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
489 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
490 (Lex::can_continue_name): Likewise.
491 (yylex): Likewise.
492 (read_script_file): New parameter script_options.
493 (read_dynamic_list): New function.
494 (Script_options::define_dynamic_list): New function.
495 (dynamic_list_keyword_parsecodes): New variable.
496 (dynamic_list_keywords): New variable.
497 * script.h (Script_options::define_dynamic_list): New function
498 prototype.
499 (read_dynamic_list): New function prototype.
500 * symtab.cc (strprefix): New macro.
501 (Symbol::should_add_dynsym_entry): Support dynamic_list,
502 dynamic_list_data, dynamic_list_cpp_new, and
503 dynamic_list_cpp_typeinfo.
504 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
505 (dynamic_list_expr): New rule.
506 (dynamic_list_nodes): Likewise.
507 (dynamic_list_node): Likewise.
508 * testsuite/Makefile.am (dynamic_list): New test.
509 * testsuite/Makefile.in: Regenerated.
510 * testsuite/dynamic_list.t: New file.
511 * testsuite/dynamic_list.sh: New file.
512
e0bb29a5
CS		 5132008-11-05 Craig Silverstein <csilvers@google.com>
514
515 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
516 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
517 (t11_last): Likewise.
518 * testsuite/ver_test_6.c (main): Likewise.
519
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CC		 5202008-10-07 Cary Coutant <ccoutant@google.com>
521
522 * options.c (General_options::finalize): Add check for -static and
523 -shared.
524 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
525 is not empty.
526
92f03fcb
CC		 5272008-10-02 Cary Coutant <ccoutant@google.com>
528
529 * plugin.cc (make_sized_plugin_object): Fix conditional
530 compilation to work when not all targets are enabled.
531
fbd8a257
CC		 5322008-09-29 Cary Coutant <ccoutant@google.com>
533
534 * archive.cc (Archive::get_file_and_offset): Use filename instead
535 of name to get library path.
536 (Archive::include_member): Unlock external member of a thin archive.
537
538 * testsuite/Makefile.am (TEST_AR): New variable.
539 (thin_archive_test_1): New test.
540 (thin_archive_test_2): New test.
81636b3f
CC		 541 * testsuite/Makefile.in: Regenerate.
542 * testsuite/thin_archive_main.cc: New file.
543 * testsuite/thin_archive_test_1.cc: New file.
544 * testsuite/thin_archive_test_2.cc: New file.
545 * testsuite/thin_archive_test_3.cc: New file.
546 * testsuite/thin_archive_test_4.cc: New file.
fbd8a257 547
eff45813
CC		 5482008-09-29 Cary Coutant <ccoutant@google.com>
549
550 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
551 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
552 instead of -1U.
553 (Sized_relobj::do_finalize_local_symbols): Likewise.
554 (Sized_relobj::map_to_kept_section): Likewise.
555 * object.h (Sized_relobj::invalid_address): New constant.
556 (Sized_relobj::do_output_section_offset): Check for invalid_address
557 and return -1ULL.
558 * output.cc (Output_reloc::local_section_offset): Use constant
559 invalid_address instead of -1U.
560 (Output_reloc::get_address): Likewise.
561 (Output_section::output_address): Change -1U to -1ULL.
562 * output.h (Output_reloc::invalid_address): New constant.
563 * reloc.cc (Sized_relobj::write_sections): Use constant
564 invalid_address instead of -1U.
565 (Sized_relobj::relocate_sections): Likewise.
566 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
567 values for merge sections.
568 * target-reloc.h (relocate_for_relocatable): Use constant
569 invalid_address instead of -1U.
570
89fc3421
CC		 5712008-09-19 Cary Coutant <ccoutant@google.com>
572
573 Add plugin functionality for link-time optimization (LTO).
574 * configure.ac (plugins): Add --enable-plugins option.
575 * configure: Regenerate.
576 * config.in: Regenerate.
577 * Makefile.am (LIBDL): New variable.
578 (CCFILES): Add plugin.cc.
579 (HFILES): Add plugin.h.
580 (ldadd_var): Add LIBDL.
581 * Makefile.in: Regenerate.
582
583 * archive.cc: Include "plugin.h".
584 (Archive::setup): Don't preread archive symbols when using a plugin.
585 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
586 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
587 files.
588 (Archive::include_member): Add symbols from plugin objects.
589 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
590 * descriptors.cc (Descriptors::open): Check for file descriptors
591 abandoned by plugins.
592 (Descriptors::claim_for_plugin): New function.
593 * descriptors.h (Descriptors::claim_for_plugin): New function.
594 (Open_descriptor::is_claimed): New field.
595 (claim_descriptor_for_plugin): New function.
596 * fileread.cc (File_read::claim_for_plugin): New function.
597 * fileread.h (File_read::claim_for_plugin): New function.
598 (File_read::descriptor): New function.
599 * gold.cc: Include "plugin.h".
600 (queue_initial_tasks): Add task to call plugin hooks for generating
601 new object files.
602 * main.cc: Include "plugin.h".
603 (main): Load plugin libraries.
604 * object.h (Pluginobj): Declare.
605 (Object::pluginobj): New function.
606 (Object::do_pluginobj): New function.
607 (Object::set_target): New function.
608 * options.cc: Include "plugin.h".
609 (General_options::parse_plugin): New function.
610 (General_options::General_options): Initialize plugins_ field.
611 (General_options::add_plugin): New function.
612 * options.h (Plugin_manager): Declare.
613 (General_options): Add --plugin option.
614 (General_options::has_plugins): New function.
615 (General_options::plugins): New function.
616 (General_options::add_plugin): New function.
617 (General_options::plugins_): New field.
618 * plugin.cc: New file.
619 * plugin.h: New file.
620 * readsyms.cc: Include "plugin.h".
621 (Read_symbols::do_read_symbols): Check for archive before checking
622 for ELF file. Call plugin hooks to claim files.
623 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
624 from a real object file; force override when processing replacement
625 files.
626 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
627 (Symbol::init_base_object): Likewise.
628 (Symbol::init_base_output_data): Likewise.
629 (Symbol::init_base_output_segment): Likewise.
630 (Symbol::init_base_constant): Likewise.
631 (Symbol::init_base_undefined): Likewise.
632 (Symbol::output_section): Assert that object is not a plugin.
633 (Symbol_table::add_from_pluginobj): New function.
634 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
635 undefined.
636 (Symbol_table::sized_write_globals): Likewise.
637 (Symbol_table::add_from_pluginobj): Instantiate template.
638 * symtab.h (Sized_pluginobj): Declare.
639 (Symbol::in_real_elf): New function.
640 (Symbol::set_in_real_elf): New function.
641 (Symbol::in_real_elf_): New field.
642 (Symbol_table::add_from_pluginobj): New function.
643
644 * testsuite/Makefile.am (AM_CFLAGS): New variable.
645 (LIBDL): New variable.
646 (LDADD): Add LIBDL.
647 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
648 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
649 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
650 (MOSTLYCLEANFILES): Likewise.
651 * testsuite/Makefile.in: Regenerate.
652 * testsuite/plugin_test.c: New file.
653 * testsuite/plugin_test_1.sh: New file.
654 * testsuite/plugin_test_2.sh: New file.
655
de31bda5
ILT		 6562008-09-16 Ian Lance Taylor <iant@google.com>
657
9c2d0ef9
ILT		 658 * target-reloc.h (relocate_section): Check whether a symbol is
659 defined by the ABI before reporting an undefined symbol error.
660 * target.h (Target::is_defined_by_abi): Make parameter const.
661 (Target::do_is_defined_by_abi): Likewise.
662 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
663 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
664 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
665 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
666 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
667 * testsuite/Makefile.in: Rebuild.
668
de31bda5
ILT		 669 * fileread.cc (make_view): Add casts to avoid warning.
670
9fa33bee
AO		 6712008-09-16 Alexandre Oliva <aoliva@redhat.com>
672
673 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
674 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
675
183fd0e3
AO		 6762008-09-16 Alexandre Oliva <aoliva@redhat.com>
677
678 * options.h (General_options::output_is_executable): New.
679 (General_options::output_is_pie): New.
680 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
681 for shared libraries.
682 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
683
7be8330a
CD		 6842008-09-11 Chris Demetriou <cgd@google.com>
685
686 * options.h (origin): New -z option.
687 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
688 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
689 in DT_FLAGS_1.
690
a9caad02
CC		 6912008-09-05 Cary Coutant <ccoutant@google.com>
692
693 * fileread.cc (File_read::make_view): Add check for attempt to map
694 beyond end of file.
695
ae6dce4d
CC		 6962008-09-05 Cary Coutant <ccoutant@google.com>
697
698 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
699 explicit instantiations.
700
d7ab2a47
KVH		 7012008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
702
703 PR gold/6858
704 * options.cc (General_options::finalize): Allow undefined symbols
705 in shlibs if linking -shared.
706
707 PR gold/6859
708 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
709 symbols as not needing a dynsym entry.
710
1e52a9c1
CS		 7112008-08-20 Craig Silverstein <csilvers@google.com>
712
713 * fileread.cc (File_read::open): Do not lock the file unless it
714 was successfully opened.
715
d85c80a3
CC		 7162008-08-14 Cary Coutant <ccoutant@google.com>
717
718 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
719 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
720 * testsuite/tls_test.cc (struct int128): 128-bit struct
721 for testing TLS relocs with non-zero addend.
722 (v12): New TLS variable.
723 (t12): New test.
724 (t_last): Add check for v12.
725 * testsuite/tls_test.h (t12): New function.
726 * testsuite/tls_test_main.cc (thread_routine): Call new test.
727
2d924fd9
ILT		 7282008-08-13 Ian Lance Taylor <iant@google.com>
729
730 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
731 set tls_segment_ or relro_segment_.
732 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
733 when appropriate.
734 * output.h (Output_section::clear_is_relro): New function.
735 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
736 sections specially even when output_data_ is empty.
737 (Output_segment::maximum_alignment): When first section is relro,
738 only force alignment for PT_LOAD segments.
739 * script.cc (script_data_segment_align): New function.
740 (script_data_segment_relro_end): New function.
741 * script-c.h (script_data_segment_align): Declare.
742 (script_data_segment_relro_end): Declare.
743 * script-sections.h (class Script_sections): Declare
744 data_segment_align and data_segment_relro_end. Add fields
745 segment_align_index_ and saw_relro_end_.
746 * script-sections.cc (class Sections_element): Add set_is_relro
747 virtual function. Add new bool* parameter to place_orphan_here.
748 Add get_output_section virtual function.
749 (class Output_section_definition): Add set_is_relro. Add new
750 bool* parameter to place_orphan_here. Add get_output_section.
751 Add is_relro_ field.
752 (Output_section_definition::Output_section_definition): Initialize
753 evaluated_address_, evaluated_load_address, evaluated_addralign_,
754 and is_relro_ fields.
755 (Output_section_definition::place_orphan_here): Add is_relro
756 parameter.
757 (Output_section_definition::set_section_addresses): Set relro for
758 output section.
759 (Output_section_definition::alternate_constraint): Likewise.
760 (class Orphan_output_section): Add new bool* parameter to
761 place_orphan_here. Add get_output_section.
762 (Orphan_output_section::place_orphan_here): Add is_relro
763 parameter.
764 (Script_sections::Script_sections): Initialize
765 data_segment_align_index_ and saw_relro_end_.
766 (Script_sections::data_segment_align): New function.
767 (Script_sections::data_segment_relro_end): New function.
768 (Script_sections::place_orphan): Set or clear is_relro.
769 (Script_sections::set_section_addresses): Force alignment of first
770 TLS section.
771 * yyscript.y (exp): Call script_data_segment_align and
772 script_data_segment_relro_end.
773 * testsuite/relro_script_test.t: New file.
774 * testsuite/relro_test.cc (using_script): Declare.
775 (t1, t2): Test using_script.
776 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
777 (relro_script_test_SOURCES): Define.
778 (relro_script_test_DEPENDENCIES): Define.
779 (relro_script_test_LDFLAGS): Define.
780 (relro_script_test_LDADD): Define.
781 (relro_script_test.so): New target.
782 * testsuite/Makefile.in: Rebuild.
783
f827c9a9
CC		 7842008-08-06 Cary Coutant <ccoutant@google.com>
785
786 * archive.cc (Archive::total_archives, Archive::total_members)
787 (Archive::total_members_loaded): New variables.
788 (Archive::setup): Add parameter. Add option to preread
789 archive symbols.
790 (Archive::read_armap): Add counter.
791 (Archive::get_file_and_offset): New function.
792 (Archive::get_elf_object_for_member): New function.
793 (Archive::read_all_symbols): New function.
794 (Archive::read_symbols): New function.
795 (Archive::add_symbols): Add counters.
796 (Archive::include_all_members): Use armap to find members if it's
797 already built.
798 (Archive::include_member): Skip reading symbols if already read.
799 Factored code into Archive::get_file_and_offset and
800 Archive::get_elf_object_for_member. Changed call to
801 Mapfile::report_include_archive_member.
802 (Archive::print_stats): New function.
803 * archive.h: Declare Object and Read_symbols_data classes.
804 (Archive::Archive): Add initializers for new members.
805 (Archive::setup): Add parameter.
806 (Archive::print_stats): New function.
807 (Archive::total_archives, Archive::total_members)
808 (Archive::total_members_loaded): New variables.
809 (Archive::get_file_and_offset): New function.
810 (Archive::get_elf_object_for_member): New function.
811 (Archive::read_all_symbols): New function.
812 (Archive::read_symbols): New function.
813 (Archive::Archive_member): New class.
814 (Archive::members_): New member.
815 (Archive::num_members_): New member.
816 * main.cc: Include archive.h.
817 (main): Call Archive::print_stats.
818 * mapfile.cc (Mapfile::report_include_archive_member): Delete
819 archive parameter; member_name is now the fully-decorated name.
820 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
821 * options.h: (General_options): Add --preread-archive-symbols option.
822 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
823 Archive::setup.
824
de4c45bd
ILT		 8252008-08-04 Ian Lance Taylor <iant@google.com>
826
827 * symtab.h (Symbol::use_plt_offset): New function.
828 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
829 * powerpc.cc (Relocate::relocate): Likewise.
830 * sparc.cc (Relocate::relocate): Likewise.
831 * x86_64.cc (Relocate::relocate): Likewise.
832 * testsuite/weak_plt.sh: New test.
833 * testsuite/weak_plt_main.cc: New test.
834 * testsuite/weak_plt_shared.cc: New test.
835 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
836 (check_PROGRAMS): Add weak_plt.
837 (check_DATA): Add weak_plt_shared.so.
838 (weak_plt_main_pic.o, weak_plt): New targets.
839 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
840 * testsuite/Makefile.in: Rebuild.
841
842 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
843 gcctestdir/ld.
844 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
845 * testsuite/Makefile.in: Rebuild.
846
323ee3f4
AM		 8472008-08-04 Alan Modra <amodra@bigpond.net.au>
848
849 * Makefile.am (POTFILES.in): Set LC_ALL=C.
850 * Makefile.in: Regenerate.
851 * po/POTFILES.in: Regenerate.
852
7c07ecec
ILT		 8532008-07-29 Ian Lance Taylor <iant@google.com>
854
855 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
856 symbols before other symbols.
857 * testsuite/script_test_2.cc (test_addr): Declare.
858 (test_addr_alias): Declare.
859 (main): Check that test_addr and test_addr_alias have the right
cd536b21 860 values.
7c07ecec
ILT		 861 * testsuite/script_test_2.t: Define test_addr_alias and
862 test_addr.
863
5778530e
ILT		 8642008-07-24 Ian Lance Taylor <iant@google.com>
865
2a00e4fb
ILT		 866 PR 5990
867 * descriptors.cc: New file.
868 * descriptors.h: New file.
869 * gold-threads.h (class Hold_optional_lock): New class.
870 * fileread.cc: Include "descriptors.h".
871 (File_read::~File_read): Release descriptor rather than closing
872 it.
873 (File_read::open) [file]: Call open_descriptor rather than open.
874 Set is_descriptor_opened_.
875 (File_read::open) [memory]: Assert that descriptor is not open.
876 (File_read::reopen_descriptor): New function.
877 (File_read::release): Release descriptor.
878 (File_read::do_read): Make non-const. Reopen descriptor.
879 (File_read::read): Make non-const.
880 (File_read::make_view): Reopen descriptor.
881 (File_read::do_readv): Likewise.
882 * fileread.h (class File_read): Add is_descriptor_opened_ field.
883 Update declarations.
884 * layout.cc: Include "descriptors.h".
885 (Layout::create_build_id): Use open_descriptor rather than open.
886 * output.cc: Include "descriptors.h".
887 (Output_file::open): Use open_descriptor rather than open.
888 * archive.cc (Archive::const_iterator): Change Archive to be
889 non-const.
890 (Archive::begin, Archive::end): Make non-const.
891 (Archive::count_members): Likewise.
892 * archive.h (class Archive): Update declarations.
893 * object.h (Object::read): Make non-const.
894 * Makefile.am (CCFILES): Add descriptors.cc.
895 (HFILES): Add descriptors.h.
896 * Makefile.in: Rebuild.
897
801647d1
ILT		 898 PR 6716
899 * gold.h: Always include <clocale>. Add Solaris workarounds
900 following code in binutils/sysdep.h.
901
5edd166e
ILT		 902 PR 6048
903 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
904 this->eh_frame_hdr_ is NULL before using it.
905
c89ad728
ILT		 906 * dynobj.cc (Versions::Versions): Update comment.
907
aa86f06b
ILT		 908 * dynobj.cc (Versions::Versions): If there is an soname, use it as
909 the base version name.
910
5778530e
ILT		 911 * stringpool.cc (Stringpool_template::add_with_length): Set key to
912 array size plus one.
913 (Stringpool_template::set_string_offsets): Subtract one from key
914 before using it as an array index.
915 (Stringpool_template::get_offset_with_length): Likewise.
916 (Stringpool_template::write_to_buffer): Likewise.
917 * stringpool.h (Stringpool_template::get_offset_from_key):
918 Likewise.
919
057ead22
ILT		 9202008-07-23 Ian Lance Taylor <iant@google.com>
921
7f649c59
ILT		 922 PR 6658
923 * object.h (Merged_symbol_value::value): Do our best to handle a
924 negative addend.
925
057ead22
ILT		 926 PR 6647
927 * script.cc (Version_script_info::get_versions): Don't add empty
928 version tag to return value.
929 (Version_script_info::get_symbol_version_helper): Change return
930 type to bool. Add pversion parameter. Change all callers.
931 (script_register_vers_node): Don't require a non-NULL tag.
932 * script.h (class Version_script_info): Update declarations.
933 (Version_script_info::get_symbol_version): Change return type to
934 bool. Add version parameter. Change all callers.
935 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
936 handling. Handle an empty version from a version script.
937 (Symbol_table::define_special_symbol): Likewise.
938 * testsuite/ver_test_10.script: New file.
939 * testsuite/ver_test_10.sh: New file.
940 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
941 (check_DATA): Add ver_test_10.syms.
942 (ver_test_10.syms, ver_test_10.so): New target.
943 * testsuite/Makefile.in: Rebuild.
944
58e54ac2
CD		 9452008-07-23 Simon Baldwin <simonb@google.com>
946
947 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
948 to zero for undefined symbols from dynamic libraries.
949
95d14cd3
ILT		 9502008-07-23 Ian Lance Taylor <iant@google.com>
951
952 * symtab.cc (Symbol_table::resolve): Remove version parameter.
953 Change all callers.
954 * symtab.h (class Symbol_table): Update declaration.
955 * testsuite/ver_test_9.cc: New file.
956 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
957 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
958 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
959 (ver_test_9.so, ver_test_9.o): New targets.
960 * testsuite/Makefile.in: Rebuild.
961
92de84a6
ILT		 9622008-07-22 Ian Lance Taylor <iant@google.com>
963
34810851
ILT		 964 * options.h (class General_options): Define --check-sections.
965 * layout.cc (Layout::set_segment_offsets): Handle
966 --check-sections.
967
af6156ef
ILT		 968 * options.h (class General_options): Define -n/--nmagic and
969 -N/--omagic.
970 * options.cc (General_options::finalize): For -n/--nmagic or
971 -N/--omagic, set -static.
972 * layout.cc (Layout::attach_allocated_section_to_segment): If
973 -N/--omagic, don't put read-only and read-write sections in
974 different segments.
975 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
976 finding a read-only segment.
977 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
978 don't set the minimum segment alignment to the common page size,
979 and don't set the file offset to the address modulo the page size.
980 * script-sections.cc (Script_sections::create_segments): If
981 -n/--omagic, don't put read-only and read-write sections in
982 different segments.
983
92de84a6
ILT		 984 * cref.cc: New file.
985 * cref.h: New file.
986 * options.h (class General_options): Add --print-symbol-counts.
987 * main.cc (main): Issue defined symbol report if requested.
988 * archive.cc (Archive::interpret_header): Make into a const member
989 function.
990 (Archive::add_symbols): Call Input_objects::archive_start and
991 archive_stop.
992 (Archive::const_iterator): Define new class.
993 (Archive::begin, Archive::end): New functions.
994 (Archive::include_all_members): Rewrite to use iterator.
995 (Archive::count_members): New function.
996 * archive.h (class Archive): Update declarations.
997 (Archive::filename): New function.
998 * object.cc: Include "cref.h".
999 (Sized_relobj::Sized_relobj): Initialize defined_count_.
1000 (Sized_relobj::do_get_global_symbol_counts): New function.
1001 (Input_objects::add_object): Add object to cross-referencer.
1002 (Input_objects::archive_start): New function.
1003 (Input_objects::archive_stop): New function.
1004 (Input_objects::print_symbol_counts): New function.
1005 * object.h: Declare Cref and Archive.
1006 (Object::get_global_symbol_counts): New function.
1007 (Object::do_get_global_symbol_counts): New pure virtual function.
1008 (class Sized_relobj): Add defined_count_ field. Update
1009 declarations.
1010 (class Input_objects): Add cref_ field. Update constructor.
1011 Update declarations.
1012 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
1013 defined_count_.
1014 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
1015 symbol counts.
1016 (Sized_dynobj::do_get_global_symbol_counts): New function.
1017 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
1018 defined_count_. Update declarations. Define Symbols typedef.
1019 * symtab.cc (Symbol_table::add_from_relobj): Add defined
1020 parameter. Change all callers.
1021 (Symbol_table::add_from_dynobj): Add sympointers and defined
1022 parameters. Change all callers.
1023 * symtab.h (class Symbol_table): Update declarations.
1024 * Makefile.am (CCFILES): Add cref.cc.
1025 (HFILES): Add cref.h.
1026 * Makefile.in: Rebuild.
1027
3f7c5e1d
CD		 10282008-07-22 Simon Baldwin <simonb@google.com>
1029
1030 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
1031 to zero when writing undefined symbols.
1032
e0b64032
ILT		 10332008-07-22 Ian Lance Taylor <iant@google.com>
1034
1035 * output.cc (Output_section::add_input_section): Don't try to
1036 merge empty merge sections.
1037
096b02cf
CS		 10382008-07-21 Craig Silverstein <csilvers@google.com>
1039
1040 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
1041 Include symbol version in error message.
cd536b21 1042
1d1f116d
CD		 10432008-07-20 Chris Demetriou <cgd@google.com>
1044
cd536b21 1045 * configure.ac (gold_cv_c_random_seed): New configured variable.
1d1f116d
CD		 1046 (RANDOM_SEED_CFLAGS): New substituted variable.
1047 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
1048 * configure: Rebuild.
1049 * Makefile.in: Likewise.
1050 * testsuite/Makefile.in: Likewise.
1051
a18f591e
ILT		 10522008-07-18 Ian Lance Taylor <iant@google.com>
1053
1054 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
1055 where we see NAME/NULL and NAME/VERSION as separate symbols.
1056 * testsuite/ver_test_main.cc (main): Call t4.
1057 (t4, t4_2a): Define.
1058 * testsuite/ver_test_2.cc (t4_2): Define.
1059 * testsuite/ver_test_2.script: Put t4_2a in VER2.
1060 * testsuite/ver_test_4.cc (t4_2a): Define.
1061 * testsuite/ver_test_4.script: Put t4_2a in VER2.
1062 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
1063
c6e3f6ed
ILT		 10642008-07-17 Ian Lance Taylor <iant@google.com>
1065
1066 * dynobj.cc (Versions::add_def): If we give an error about a
1067 missing version, go ahead and create the version anyhow.
1068
ef9beddf
ILT		 10692008-07-10 Ian Lance Taylor <iant@google.com>
1070
1071 Handle output sections with more than 0x7fffffff bytes.
1072 * object.h (class Relobj): Change map_to_output_ to
1073 output_sections_, and just keep a section pointer. Change all
1074 uses. Move comdat group support to Sized_relobj.
1075 (Relobj::is_section_specially_mapped): Remove.
1076 (Relobj::output_section): Remove poff parameter. Change all
1077 callers.
1078 (Relobj::output_section_offset): New function.
1079 (Relobj::set_section_offset): Rewrite.
1080 (Relobj::map_to_output): Remove.
1081 (Relobj::output_sections): New function.
1082 (Relobj::do_output_section_offset): New pure virtual function.
1083 (Relobj::do_set_section_offset): Likewise.
1084 (class Sized_relobj): Add section_offsets_ field. Add comdat
1085 group support from Relobj. Update declarations.
1086 (Sized_relobj::get_output_section_offset): New function.
1087 (Sized_relobj::do_output_section_offset): New function.
1088 (Sized_relobj::do_set_section_offset): New function.
1089 * object.cc (Relobj::output_section_address): Remove.
1090 (Sized_relobj::Sized_relobj): Initialize new fields.
1091 (Sized_relobj::include_section_group): Cast find_kept_object to
1092 Sized_relobj.
1093 (Sized_relobj::include_linkonce_section): Likewise.
1094 (Sized_relobj::do_layout): Use separate arrays for output section
1095 and output offset.
1096 (Sized_relobj::do_count_local_symbols): Change map_to_output to
1097 output_sections.
1098 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
1099 output_sections and section_offsets.
1100 (Sized_relobj::write_local_symbols): Likewise.
1101 (map_to_kept_section): Compute output address directly.
1102 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
1103 output_sections and section_offsets.
1104 (Sized_relobj::write_sections): Likewise.
1105 (Sized_relobj::relocate_sections): Likewise.
1106 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
1107 * output.h (class Output_reloc): Update declarations. Change
1108 u2_.relobj to Sized_relobj*.
1109 (class Output_data_reloc): Change add functions to use
1110 Sized_relobj*.
1111 * output.cc (Output_reloc::Output_reloc): Change relobj to
1112 Sized_relobj*.
1113 (Output_reloc::local_section_offset): Change return type to
1114 Elf_Addr. Use get_output_section_offset.
1115 (Output_reloc::get_address): Likewise.
1116 (Output_section::is_input_address_mapped): Don't call
1117 is_section_specially_mapped.
1118 (Output_section::output_offset): Likewise.
1119 (Output_section::output_address): Likewise.
1120 (Output_section::starting_output_address): Likewise.
1121 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
1122 parameter to Sized_relobj*.
1123 (Copy_relocs::need_copy_reloc): Likewise.
1124 (Copy_relocs::save): Likewise.
1125 * copy-relocs.h (class Copy_relocs): Update declarations.
1126 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
1127 Sized_relobj*. Change relobj_ field to Sized_relobj*.
1128 * target-reloc.h (relocate_for_relocatable): Change
1129 offset_in_output_section type to Elf_Addr. Change code that uses
1130 it as well.
1131 * layout.cc (Layout::layout): Always set *off.
1132 * mapfile.cc (Mapfile::print_input_section): Use
1133 output_section_offset.
1134 * i386.cc (Target_i386::copy_reloc): Change object parameter to
1135 Sized_relobj*.
1136 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
1137 * sparc.cc (Target_sparc::copy_reloc): Likewise.
1138 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
1139
5cb66f97
ILT		 11402008-07-03 Ian Lance Taylor <iant@google.com>
1141
1142 * layout.cc (Layout::include_section): Do not discard unrecognized
1143 SHT_STRTAB sections.
1144
afe47622
CS		 11452008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
1146
1147 * script.cc (Lex::can_continue_name): Make '?' allowable in
1148 version-script names.
1149 * testsuite/version_script.map: Change glob pattern to use '?'
1150
5adf9721
ILT		 11512008-06-30 Manish Singh <yosh@gimp.org>
1152
1153 PR 6585
1154 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
1155 Correct typo.
1156
e6fde208
ILT		 11572008-06-30 Ian Lance Taylor <iant@google.com>
1158
1159 PR 6660
1160 PR 6682
1161 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
1162 versions]: Don't try to read the value in the contents, since we
1163 don't use it. Use the template endianness when writing.
1164
3f2e6a2d
CC		 11652008-06-25 Cary Coutant <ccoutant@google.com>
1166
1167 * fileread.cc (File_read::make_view): Assert on zero-length view.
1168 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
1169 symbol table when there are no symbols to read.
1170
c43d3a48
CS		 11712008-06-23 Craig Silverstein <csilvers@google.com>
1172
1173 * version.cc (version_string): Bump to 1.7
1174
5f494ea0
CS		 11752008-06-18 Craig Silverstein <csilvers@google.com>
1176
1177 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
1178 constant 0xFFFF to type Valtype.
1179 (Powerpc_relocate_functions::rel16_ha): Likewise.
1180
c42e122e
ILT		 11812008-06-17 Ian Lance Taylor <iant@google.com>
1182
f34787f8
ILT		 1183 * output.h (Output_section::Input_section): Initialize p2align_ to
1184 zero for Output_section_data constructors.
1185 (Output_section::Input_section::addralign): If not an input
1186 section, return the alignment of the Output_section_data.
1187 * testsuite/copy_test.cc: New file.
1188 * testsuite/copy_test_1.cc: New file.
1189 * testsuite/copy_test_2.cc: New file.
1190 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
1191 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
1192 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
1193 (copy_test_1_pic.o, copy_test_1.so): New targets.
1194 (copy_test_2_pic.o, copy_test_2.so): New targets.
1195 * testsuite/Makefile.in: Rebuild.
1196
c42e122e
ILT		 1197 * script-sections.cc (Script_sections::place_orphan): Initialize
1198 local variable exact.
1199
ce3ac18a
DE		 12002008-06-13 David Edelsohn <edelsohn@gnu.org>
1201
1202 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
1203
42cacb20
DE		 12042008-06-12 David Edelsohn <edelsohn@gnu.org>
1205 David S. Miller <davem@davemloft.net>
1206
1207 * powerpc.cc: New file.
1208 * Makefile.am (TARGETSOURCES): Add powerpc.cc
1209 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
1210 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
1211 * Makefile.in: Rebuild.
1212
7b308235
ILT		 12132008-06-09 Ian Lance Taylor <iant@google.com>
1214
1215 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
1216 <exception>.
1217 (throwing, orig_terminate): New static variables.
1218 (terminate_handler): New static function.
1219 (t2): Set terminate handler.
1220
f0b886e3
ILT		 12212008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
1222
1223 PR 6584
cd536b21 1224 * binary.cc (Binary_to_elf::sized_convert): Fix .data
f0b886e3
ILT		 1225 alignment.
1226
3e90f135
CC		 12272008-05-30 Cary Coutant <ccoutant@google.com>
1228
1229 * archive.cc (Archive::include_all_members) Correct to step
1230 over symbol table and extended name table in thin archives.
1231
e09ad04a
ILT		 12322008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
1233
1234 PR 6407
1235 * target-reloc.h (relocate_for_relocatable): Fix new_offset
1236 calculation.
1237
62b01cb5
ILT		 12382008-05-28 Caleb Howe <cshowe@google.com>
1239
1240 * reduced_debug_output.cc: New file.
1241 * reduced_debug_output.h: New file.
92de84a6 1242 * options.h (class General_options): Add --strip-debug-non-line.
62b01cb5
ILT		 1243 * options.cc (General_options::finalize): Add strip_debug_non_line
1244 to the strip heirarchy.
1245 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
1246 fields.
1247 * layout.cc: Include "reduced_debug_output.h".
1248 (Layout::Layout): Initialize new fields.
1249 (line_only_debug_sections): New static array.
1250 (is_lines_only_debug_sections): New static inline function.
1251 (Layout::include_section): Handle --strip-debug-non-line.
1252 (Layout::make_output_section): If --strip-debug-non-line, build
1253 new output sections for .debug_abbrev and .debug_info.
1254 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
1255 gold. Warn about possible overflow.
1256 (read_signed_LEB_128): Likewise.
1257 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
1258 (read_signed_LEB_128): Declare.
1259 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
1260 (HFILES): Add reduced_debug_output.h.
1261 * Makefile.in: Rebuild.
1262
7d9e3d98
ILT		 12632008-05-21 Ian Lance Taylor <iant@google.com>
1264
1265 * mapfile.cc: New file.
1266 * mapfile.h: New file.
1267 * options.h (class General_options): Add -M/--print-map and -Map.
1268 * options.cc (General_options::finalize): Make -M equivalent to
1269 -Map -.
1270 * main.cc: Include <cstdio> and "mapfile.h".
1271 (main): Open mapfile if requested.
1272 * gold.cc (class Middle_runner): Add mapfile_ field. Update
1273 constructor. Change caller.
1274 (queue_initial_tasks): Add mapfile parameter. Change caller.
1275 (queue_middle_tasks): Likewise.
1276 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
1277 declarations.
1278 * archive.cc: Include "mapfile.h".
1279 (Archive::add_symbols): Add mapfile parameter. Change all
1280 callers. Pass mapfile, symbol, and reason to include_member.
1281 (Archive::include_all_members): Add mapfile parameter. Change all
1282 callers.
1283 (Archive::include_member): Add mapfile, sym, and why parameters.
1284 Change all callers. Report inclusion to map file.
1285 * archive.h: Include "fileread.h".
1286 (class Archive): Update declarations.
1287 (Archive::file): New const method.
1288 (class Add_archive_symbols): Add mapfile_ field. Update
1289 constructor. Change all callers.
1290 * readsyms.h (class Read_symbols): Likewise.
1291 (class Finish_group): Likewise.
1292 (class Read_script): Likewise.
1293 * common.cc: Include "mapfile.h".
1294 (Symbol_table::allocate_commons): Add mapfile parameter. Change
1295 all callers.
1296 (Symbol_table::do_allocate_commons): Likewise.
1297 (Symbol_table::do_allocate_commons_list): Likewise. Report common
1298 symbol allocation to mapfile.
1299 * common.h (class Allocate_commons_task): Add mapfile_ field.
1300 Update constructor. Change all callers.
1301 * symtab.h (class Symbol_table): Update declarations.
1302 * layout.cc: Include "mapfile.h".
1303 (Layout_task_runner::run): Print information to mapfile.
1304 (Layout::create_gold_note): Change Output_data_fixed_space to
1305 Output_data_zero_fill.
1306 (Layout::create_build_id): Likewise.
1307 (Layout::print_to_mapfile): New function.
1308 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
1309 constructor. Change caller.
1310 (class Layout): Declare print_to_mapfile.
1311 * output.cc (Output_section::Input_section::print_to_mapfile): New
1312 function.
1313 (Output_section::add_input_section): If producing a map, always
1314 add to input_sections_ list.
1315 (Output_section::do_print_to_mapfile): New function.
1316 (Output_segment::print_sections_to_mapfile): New function.
1317 (Output_segment::print_section_list_to_mapfile): New function.
1318 * output.h: Include "mapfile.h".
1319 (Output_data::print_to_mapfile): New function.
1320 (Output_data::do_print_to_mapfile): New virtual function.
1321 (Output_segment_headers::do_print_to_mapfile): New function.
1322 (Output_file_header::do_print_to_mapfile): New function.
1323 (Output_data_const::do_print_to_mapfile): New function.
1324 (class Output_data_const_buffer): Add map_name_ field. Update
1325 constructor. Change all callers. Add do_print_to_mapfile
1326 function.
1327 (class Output_data_fixed_space): Likewise.
1328 (class Output_data_space): Likewise.
1329 (class Output_data_zero_fill): New class.
1330 (Output_data_strtab::do_print_to_mapfile): New function.
1331 (Output_data_reloc_base::do_print_to_mapfile): New function.
1332 (Output_relocatable_relocs::do_print_to_mapfile): New function.
1333 (Output_data_group::do_print_to_mapfile): New function.
1334 (Output_data_got::do_print_to_mapfile): New function.
1335 (Output_data_dynamic::do_print_to_mapfile): New function.
1336 (Output_symtab_xindex::do_print_to_mapfile): New function.
1337 (class Output_section): Declare do_print_to_mapflie. Declare
1338 print_to_mapfile in Input_section.
1339 (class Output_segment): Declare new functions.
1340 * object.h (Sized_relobj::symbol_count): New function.
1341 * script-sections.cc
1342 (Output_section_element_dot_assignment::set_section_addresses):
1343 Change Output_data_fixed_space to Output_data_zero_fill.
1344 (Output_data_expression::do_print_to_mapfile): New function.
1345 * script.cc (read_input_script): Add mapfile parameter. Change
1346 all callers.
1347 * script.h (read_input_script): Update declaration.
1348 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
1349 (Eh_frame::do_print_to_mapfile): New function.
1350 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
1351 (Output_merge_string::do_print_to_mapfile): New function.
1352 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
1353 function.
1354 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
1355 function.
1356 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
1357 function.
1358 * Makefile.am (CCFILES): Add mapfile.cc.
1359 (HFILES): Add mapfile.h.
1360 * Makefile.in: Rebuild.
1361
9f1d377b
ILT		 13622008-05-19 Ian Lance Taylor <iant@google.com>
1363
1364 * options.h (class General_options): Add -z relro.
1365 * layout.cc (Layout::Layout): Initialize relro_segment_.
1366 (Layout::add_output_section_data): Return the output section.
1367 (Layout::make_output_section): Rcognize relro sections and mark
1368 them appropriately.
1369 (Layout::attach_allocated_section_to_segment): Put relro sections
1370 in a PT_GNU_RELRO segment.
1371 (Layout::create_initial_dynamic_sections): Mark the .dynamic
1372 section as relro.
1373 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
1374 PT_TLS segments.
1375 (Layout::linkonce_mapping): Map d.rel.ro.local to
1376 .data.rel.ro.local.
1377 (Layout::output_section_name): Us .data.rel.ro.local for any
1378 section which begins with that.
1379 * layout.h (class Layout): Update add_output_section_data
1380 declaration. Add relro_segment_ field.
1381 * output.cc (Output_section::Output_section): Initialize is_relro_
1382 and is_relro_local_ fields.
1383 (Output_segment::add_output_section): Group relro sections.
1384 (Output_segment::is_first_section_relro): New function.
1385 (Output_segment::maximum_alignment): If there is a relro section,
1386 align the segment to the common page size.
1387 (Output_segment::set_section_addresses): Track whether we are
1388 looking at relro sections. If the last section is a relro
1389 section, align to the common page size.
1390 (Output_segment::set_section_list_addresses): Add in_relro
1391 parameter. Change all callers. Align to the page size when
1392 moving from relro to non-relro section.
1393 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
1394 segment.
1395 * output.h (class Output_section): Add is_relro_ and
1396 is_relro_local_ fields.
1397 (Output_section::is_relro): New function.
1398 (Output_section::set_is_relro): New function.
1399 (Output_section::is_relro_local): New function.
1400 (Output_section::set_is_relro_local): New function.
1401 (class Output_segment): Update declarations.
1402 * i386.cc (Target_i386::got_section): Mark .got section as relro.
1403 * sparc.cc (Target_sparc::got_section): Likewise.
1404 * x86_64.cc (Target_x86_64::got_section): Likewise.
1405 * testsuite/relro_test_main.cc: New file.
1406 * testsuite/relro_test.cc: New file.
1407 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
1408 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
1409 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
1410 (relro_test.so, relro_test_pic.o): New targets.
1411 * testsuite/Makefile.in: Rebuild.
1412
a984ee1d
ILT		 14132008-05-16 Ian Lance Taylor <iant@google.com>
1414
01676dcd
ILT		 1415 * output.cc (Output_segment::add_output_section): Remove front
1416 parameter.
1417 * output.h (class Output_segment): Remove
1418 add_initial_output_section and overloaded add_output_section.
1419 Update declaration of remaining add_output_section.
1420 * layout.cc (Layout::create_interp): Call add_output_section
1421 rather than add_initial_output_section.
1422 (Layout::finish_dynamic_section): Likewise.
1423
497897f9
ILT		 1424 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
1425 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
1426 know the dynamic type.
1427 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
1428 field. Initialize it in constructor.
1429 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
1430 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
1431 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
1432 reloc.
1433
a984ee1d
ILT		 1434 * output.cc (Output_reloc::get_address): Change return type to
1435 Elf_Addr.
1436 * output.h (class Output_reloc): Update get_address declaration.
1437 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
1438 for section addresses.
1439
55ba0940
ILT		 14402008-05-09 Ian Lance Taylor <iant@google.com>
1441
1442 PR 6493
1443 * gold.cc (gold_nomem): Use return value of write.
1444
75517b77
ILT		 14452008-05-08 Ian Lance Taylor <iant@google.com>
1446
1447 * symtab.c (Symbol::init_base_output_data): Add version
1448 parameter. Change all callers.
1449 (Symbol::init_base_output_segment): Likewise.
1450 (Symbol::init_base_constant): Likewise.
1451 (Symbol::init_base_undefined): Likewise.
1452 (Sized_symbol::init_output_data): Likewise.
1453 (Sized_symbol::init_output_segment): Likewise.
1454 (Sized_symbol::init_constant): Likewise.
1455 (Sized_symbol::init_undefined): Likewise.
1456 (Symbol_table::do_define_in_output_data): If the new symbol has a
1457 version, mark it as the default.
1458 (Symbol_table::do_define_in_output_segment): Likewise.
1459 (Symbol_table::do_define_as_constant): Likewise.
1460 * symtab.h (class Symbol): Update declarations.
1461 (class Sized_symbol): Likewise.
1462 * resolve.cc (Symbol::override_version): New function.
c42e122e 1463 (Symbol::override_base): Call override_version.
75517b77
ILT		 1464 (Symbol::override_base_with_special): Likewise.
1465 * testsuite/ver_script_8.script: New file.
1466 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
1467 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
1468 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
1469 (ver_test_8_1.so, ver_test_8_2.so): New targets.
1470
f1f70eae
ILT		 14712008-05-06 Ian Lance Taylor <iant@google.com>
1472
f3e9c5c5
ILT		 1473 PR 6049
1474 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
1475 functions.
1476 (class General_options): Remove existing --undefined, and add
1477 --no-undefined instead. Add new --undefined as synonym for -u.
1478 * archive.cc (Archive::add_symbols): Check whether symbol was
1479 named with -u.
1480 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
1481 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
1482 all uses. Add IS_UNDEFINED. Update declarations to split
1483 different versions of init_base. Declare init_base_undefined.
1484 (Symbol::is_defined): Handle IS_UNDEFINED.
1485 (Symbol::is_undefined): Likewise.
1486 (Symbol::is_weak_undefined): Call is_undefined.
1487 (Symbol::is_absolute): Handle IS_CONSTANT.
1488 (class Sized_symbol): Update declarations to split different
1489 versions of init. Declare init_undefined.
1490 (class Symbol_table): Declare new functions.
1491 * symtab.cc (Symbol::init_base_object): Rename from init_base.
1492 Change all callers.
1493 (Symbol::init_base_output_data): Likewise.
1494 (Symbol::init_base_output_segment): Likewise.
1495 (Symbol::init_base_constant): Likewise.
1496 (Symbol::init_base_undefined): New function.
1497 (Sized_symbol::init_object): Rename from init. Change all
1498 callers.
1499 (Sized_symbol::init_output_data): Likewise.
1500 (Sized_symbol::init_output_segment): Likewise.
1501 (Sized_symbol::init_constant): Likewise.
1502 (Sized_symbol::init_undefined): New function.
1503 (Symbol_table::add_undefined_symbols_from_command_line): New
1504 function.
1505 (Symbol_table::do_add_undefined_symbols_from_command_line): New
1506 function.
1507 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
1508 (Symbol::output_section): Likewise.
1509 (Symbol::set_output_section): Likewise.
1510 (Symbol_table::sized_finalize_symbol): Likewise.
1511 (Symbol_table::sized_write_globals): Likewise.
1512 * resolve.cc (Symbol_table::should_override): Likewise.
1513 (Symbol::override_base_with_special): Likewise.
1514
8bdcdf2c
ILT		 1515 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
1516 symbol, change it to have default visibility.
1517 * testsuite/protected_1.cc: New file.
1518 * testsuite/protected_2.cc: New file.
1519 * testsuite/protected_3.cc: New file.
1520 * testsuite/protected_main_1.cc: New file.
1521 * testsuite/protected_main_2.cc: New file.
1522 * testsuite/protected_main_3.cc: New file.
1523 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
1524 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
1525 (protected_1_LDFLAGS, protected_1_LDADD): Define.
1526 (protected_1.so): New target.
1527 (protected_1_pic.o, protected_2_pic.o): New targets.
1528 (protected_3_pic.o): New target.
1529 (check_PROGRAMS): Add protected_2.
1530 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
1531 (protected_2_LDFLAGS, protected_2_LDADD): Define.
1532 * testsuite/Makefile.in: Rebuild.
1533
2b706932
ILT		 1534 * options.h (DEFINE_var): Add set_user_set_##varname__.
1535 (DEFINE_bool_alias): New macro.
1536 (class General_options): Define -Bstatic using DEFINE_bool_alias
1537 rather than DEFINE_special. Add --undefined as an alias for -z
1538 defs.
1539 * options.cc (General_options::parse_Bstatic): Remove.
1540
d82a5bcc
ILT		 1541 * options.h (class General_options): Add --fatal-warnings.
1542 * main.cc (main): Implement --fatal-warnings.
1543 * errors.h (Errors::warning_count): New function.
1544
f1f70eae
ILT		 1545 * options.h (class General_options): Add -Bsymbolic-functions.
1546 * symtab.h (Symbol::is_preemptible): Check for
1547 -Bsymbolic-functions.
1548
8825ac63
ILT		 15492008-05-05 Ian Lance Taylor <iant@google.com>
1550
d98bc257
ILT		 1551 * options.h (DEFINE_bool): For DASH_Z, create the negative option
1552 as noVARNAME rather than no-VARNAME.
1553 (class General_options): Add option -z combreloc.
1554 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
1555 get_address.
1556 (Output_reloc::sort_before) [SHT_REL]: New function.
1557 (Output_reloc::sort_before) [SHT_RELA]: New function.
1558 (class Output_data_reloc_base): Add sort_relocs_ field. Define
1559 Sort_relocs_comparison.
1560 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
1561 parameter. Change all callers.
1562 (Output_data_reloc::Output_data_reloc) [both versions]: Add
1563 sort_relocs parameter. Change all callers.
1564 * output.cc (Output_reloc::get_address): New function, broken out
1565 of write_rel.
1566 (Output_reloc::write_rel): Call it.
1567 (Output_reloc::compare): New function.
1568 (Output_data_reloc_base::do_write): Optionally sort relocs.
1569
60b2b4e7
ILT		 1570 * configure.ac: If targ_extra_obj is set, link it in.
1571 * configure.tgt: Initialize all variables.
1572 (x86_64*): Set targ_extra_obj and targ_extra_size.
1573 * configure: Rebuild.
1574
8825ac63
ILT		 1575 * object.cc (Sized_relobj::include_section_group): Adjust section
1576 indexes read from group data. Build vector to pass to
1577 layout_group.
1578 * layout.cc (Layout::layout_group): Add flags and shndxes
1579 parameters. Remove contents parameter. Change caller. Update
1580 explicit instantiations.
1581 * layout.h (class Layout): Update layout_group declaration.
1582 * output.cc (Output_data_group::Output_data_group): Add flags and
1583 input_shndxes parameters. Remove contents parameter. Change
1584 caller.
1585 (Output_data_group::do_write): Change input_sections_ to
1586 input_shndxes_.
1587 * output.h (class Output_data_group): Update constructor
1588 declaration. Rename input_sections_ to input_shndxes_.
1589 * testsuite/many_sections_test.cc: Add template.
1590
e94cf127
CC		 15912008-04-30 Cary Coutant <ccoutant@google.com>
1592
4418b2d5
CC		 1593 * target-reloc.h (relocate_section): Fix dead-pointer bug.
1594
e94cf127
CC		 1595 * layout.cc (Layout::include_section): Refactored check for debug
1596 info section.
1597 (Layout::add_comdat): Add new parameters. Change type
1598 of signature parameter. Add object and shndx to signatures table.
1599 (Layout::find_kept_object): New function.
1600 * layout.h: Include <cstring>.
1601 (Layout::is_debug_info_section): New function.
1602 (Layout::add_comdat): Add new parameters.
1603 (Layout::find_kept_object): New function.
1604 (Layout::Kept_section): New struct.
1605 (Layout::Signatures): Change type of map range.
1606 * object.cc (Relobj::output_section_address): New function.
1607 (Sized_relobj::include_section_group): Add new parameters. Change
1608 calls to Layout::add_comdat. Change to build table of kept comdat
1609 groups and table mapping discarded sections to kept sections.
1610 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
1611 (Sized_relobj::do_layout): Change calls to include_section_group and
1612 include_linkonce_section.
1613 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
1614 value to zero when section is discarded.
1615 (Sized_relobj::map_to_kept_section): New function.
1616 * object.h (Relobj::output_section_address): New function.
1617 (Relobj::Comdat_group): New type.
1618 (Relobj::find_comdat_group): New function.
1619 (Relobj::Comdat_group_table): New type.
1620 (Relobj::Kept_comdat_section): New type.
1621 (Relobj::Kept_comdat_section_table): New type.
1622 (Relobj::add_comdat_group): New function.
1623 (Relobj::set_kept_comdat_section): New function.
1624 (Relobj::get_kept_comdat_section): New function.
1625 (Relobj::comdat_groups_): New field.
1626 (Relobj::kept_comdat_sections_): New field.
1627 (Symbol_value::input_value): Update comment.
1628 (Sized_relobj::map_to_kept_section) New function.
1629 (Sized_relobj::include_linkonce_section): Add new parameter.
1630 * target-reloc.h (Comdat_behavior): New type.
1631 (get_comdat_behavior): New function.
1632 (relocate_section): Add code to map a discarded section to the
1633 corresponding kept section when applying a relocation.
1634
e4e5049b
CS		 16352008-04-30 Craig Silverstein <csilvers@google.com>
1636
1637 * dwarf_reader.cc (next_generation_count): New static var.
1638 (Addr2line_cache_entry): New struct.
1639 (addr2line_cache): New static var.
1640 (Dwarf_line_info::one_addr2line): Added caching.
1641 (Dwarf_line_info::clear_addr2line_cache): New function.
1642 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
1643 cache-size parameter.
1644 (Dwarf_line_info::one_addr2line_cache): New function.
1645 * symtab.cc (Symbol_table::detect_odr_violations): Pass
1646 new cache-size argument to one_addr2line(), and clear cache.
1647
d09e9154
CC		 16482008-04-28 Cary Coutant <ccoutant@google.com>
1649
1650 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
1651 R_386_PC8 relocations.
1652
7ef73768
ILT		 16532008-04-23 Ian Lance Taylor <iant@google.com>
1654
55438702
ILT		 1655 * object.cc (Sized_relobj::include_section_group): Check for
1656 invalid section group.
1657
c165fb93
ILT		 1658 * object.cc (make_elf_object): Correct test for 64-bit ELF file
1659 header size.
1660
7ef73768
ILT		 1661 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
1662 than read for file header.
1663 * archive.cc (Archive::include_member): Likewise.
1664
6194aaab
L		 16652008-04-23 Paolo Bonzini <bonzini@gnu.org>
1666
1667 * aclocal.m4: Regenerate.
1668 * configure: Regenerate.
1669
d491d34e
ILT		 16702008-04-19 Ian Lance Taylor <iant@google.com>
1671
5ea2bac6
ILT		 1672 * version.cc (version_string): Bump to 1.6.
1673
7bc3e21a
ILT		 1674 * testsuite/Makefile.am (many_sections_r_test): New target.
1675 (many_sections_r_test_SOURCES): Remove.
1676 (many_sections_r_test_DEPENDENCIES): Remove.
1677 (many_sections_r_test_LDFLAGS): Remove.
1678 (many_sections_r_test_LDADD): Remove.
1679
7fcd3aa9
ILT		 1680 * object.cc (Sized_relobj::do_add_symbols): Always pass
1681 local_symbol_count_ to add_from_relobj.
1682
4c94d6ae
ILT		 1683 * testsuite/Makefile.am (many_sections_check.h): Only check one in
1684 every thousand variables.
1685 * testsuite/Makefile.in: Rebuild.
1686
d491d34e
ILT		 1687 * object.cc (Xindex::initialize_symtab_xindex): New function.
1688 (Xindex::read_symtab_xindex): New function.
1689 (Xindex::sym_xindex_to_shndx): New function.
1690 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
1691 available.
1692 (Sized_relobj::do_initialize_xindex): New function.
1693 (Sized_relobj::do_read_symbols): Adjust section links.
1694 (Sized_relobj::symbol_section_and_value): Add is_ordinary
1695 parameter. Change all callers.
1696 (Sized_relobj::include_section_group): Adjust section links and
1697 symbol section indexes.
1698 (Sized_relobj::do_layout): Adjust section links.
1699 (Sized_relobj::do_count_local_symbols): Adjust section links and
1700 symbol section indexes.
1701 (Sized_relobj::do_finalize_local_symbols): Distinguish between
1702 ordinary and special symbols.
1703 (Sized_relobj::write_local_symbols): Add symtab_xindex and
1704 dynsym_xindex parameters. Change all callers. Adjust section
1705 links. Use SHN_XINDEX when needed.
1706 (Sized_relobj::get_symbol_location_info): Adjust section links.
1707 Don't get fooled by special symbols.
1708 * object.h (class Xindex): Define.
1709 (class Object): Add xindex_ parameter. Declare virtual functoin
1710 do_initialize_xindex.
1711 (Object::adjust_sym_shndx): New function.
1712 (Object::set_xindex): New protected function.
1713 (class Symbol_value): Add is_ordinary_shndx_ field.
1714 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
1715 (Symbol_value::value): Assert ordinary section.
1716 (Symbol_value::initialize_input_to_output_map): Likewise.
1717 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
1718 Change all callers.
1719 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
1720 all callers.
1721 (class Sized_relobj): Update declarations.
1722 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
1723 parameter. Change all callers.
1724 (Sized_relobj::adjust_shndx): New function.
1725 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
1726 field.
1727 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
1728 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
1729 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
1730 (Sized_dynobj::read_dynsym_section): Adjust section links.
1731 (Sized_dynobj::read_dynamic): Likewise.
1732 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
1733 section links.
1734 (Sized_dynobj::do_initialize_xindex): New function.
1735 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
1736 do_initialize_xindex.
1737 (Sized_dynobj::adjust_shndx): New function.
1738 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
1739 dynsym_xindex_ fields.
1740 (Layout::finalize): Add a call to set_section_indexes before
1741 creating the symtab sections.
1742 (Layout::set_section_indexes): Don't do anything if the section
1743 already has a section index.
1744 (Layout::create_symtab_sections): Add shnum parameter. Change
1745 caller. Create .symtab_shndx section if needed.
1746 (Layout::create_shdrs): Add shstrtab_section parameter. Change
1747 caller.
1748 (Layout::allocated_output_section_count): New function.
1749 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
1750 needed.
1751 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
1752 fields. Update declarations.
1753 (Layout::symtab_xindex): New function.
1754 (Layout::dynsym_xindex): New function.
1755 (class Write_symbols_task): Add layout_ field.
1756 (Write_symbols_task::Write_symbols_task): Add layout parameter.
1757 Change caller.
1758 * output.cc (Output_section_headers::Output_section_headers): Add
1759 shstrtab_section parameter. Change all callers.
1760 (Output_section_headers::do_sized_write): Store overflow values
1761 for section count and section string table section index in
1762 section header zero.
1763 (Output_file_header::do_sized_write): Check for overflow of
1764 section count and section string table section index.
1765 (Output_symtab_xindex::do_write): New function.
1766 (Output_symtab_xindex::endian_do_write): New function.
1767 * output.h (class Output_section_headers): Add shstrtab_section_.
1768 Update declarations.
1769 (class Output_symtab_xindex): Define.
1770 (Output_section::has_out_shndx): New function.
1771 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
1772 field.
1773 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
1774 Change all callers.
1775 (Sized_symbol::init): Likewise.
1776 (Symbol::output_section): Check for ordinary symbol.
1777 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
1778 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
1779 callers.
1780 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
1781 Change all callers. Simplify handling of symbols from sections
1782 not included in the link.
1783 (Symbol_table::add_from_dynobj): Handle ordinary symbol
1784 distinction.
1785 (Weak_alias_sorter::operator()): Assert that symbols are
1786 ordinary.
1787 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
1788 distinction.
1789 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
1790 parameters. Change all callers.
1791 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
1792 symbol distinction. Use SHN_XINDEX when needed.
1793 (Symbol_table::write_section_symbol): Add symtab_xindex
1794 parameter. Change all callers.
1795 (Symbol_table::sized_write_section_symbol): Likewise. Use
1796 SHN_XINDEX when needed.
1797 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
1798 declarations.
1799 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
1800 (Symbol::is_defined): Check is_ordinary.
1801 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
1802 (Symbol::is_absolute, Symbol::is_common): Likewise.
1803 (class Sized_symbol): Update declarations.
1804 (class Symbol_table): Update declarations.
1805 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
1806 parameters. Change all callers.
1807 (Sized_symbol::override): Likewise.
1808 (Symbol_table::override): Likewise.
1809 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
1810 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
1811 is_ordinary, and orig_st_shndx parameters. Change all callers.
1812 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
1813 to be in an ordinary section.
1814 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
1815 object and is_ordinary parameters. Change all callers.
1816 (Sized_dwarf_line_info::read_relocs): Add object parameter.
1817 Change all callers. Don't add undefined or non-ordinary symbols
1818 to reloc_map_.
1819 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
1820 Change all callers.
1821 * dwarf_reader.h (class Sized_dwarf_line_info): Update
1822 declarations.
1823 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
1824 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
1825 (Sized_relobj::relocate_sections): Likewise.
1826 * target-reloc.h (scan_relocs): Adjust section symbol index.
1827 (scan_relocatable_relocs): Likewise.
1828 * i386.cc (Scan::local): Check for ordinary symbols.
1829 * sparc.cc (Scan::local): Likewise.
1830 * x86_64.cc (Scan::local): Likewise.
1831 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
1832 to symbol_section_and_value.
1833 * testsuite/many_sections_test.cc: New file.
1834 * testsuite/Makefile.am (BUILT_SOURCES): Define.
1835 (check_PROGRAMS): Add many_sections_test.
1836 (many_sections_test_SOURCES): Define.
1837 (many_sections_test_DEPENDENCIES): Define.
1838 (many_sections_test_LDFLAGS): Define.
1839 (BUILT_SOURCES): Add many_sections_define.h.
1840 (many_sections_define.h): New target.
1841 (BUILT_SOURCES): Add many_sections_check.h.
1842 (many_sections_check.h): New target.
1843 (check_PROGRAMS): Add many_sections_r_test.
1844 (many_sections_r_test_SOURCES): Define.
1845 (many_sections_r_test_DEPENDENCIES): Define.
1846 (many_sections_r_test_LDFLAGS): Define.
1847 (many_sections_r_test_LDADD): Define.
1848 (many_sections_r_test.o): New target.
1849 * testsuite/Makefile.in: Rebuild.
1850
c5818ff1
CC		 18512008-04-17 Cary Coutant <ccoutant@google.com>
1852
1853 * errors.cc (Errors::info): New function.
1854 (gold_info): New function.
1855 * errors.h (Errors::info): New function.
1856 * gold.h (gold_info): New function.
1857 * object.cc (Input_objects::add_object): Print trace output.
1858 * options.cc (options::parse_set): New function.
1859 (General_options::parse_wrap): Deleted.
1860 (General_options::General_options): Deleted initializer.
1861 * options.h (options::String_set): New typedef.
1862 (options::parse_set): New function.
1863 (DEFINE_set): New macro.
1864 (General_options::wrap): Changed to use DEFINE_set. Changed
1865 callers of any_wrap_symbols and is_wrap_symbol.
1866 (General_options::trace, General_options::trace_symbol):
1867 New options.
1868 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
1869 (General_options::wrap_symbols_): Deleted.
1870 * symtab.cc (Symbol_table::add_from_object): Print trace output.
1871
b5be4a7c
DM		 18722008-04-17 David S. Miller <davem@davemloft.net>
1873
1874 * options.cc (General_options::parse_V): New function.
1875 * options.h: Add entries for -V and -Qy.
1876
155a0dd7
ILT		 18772008-04-17 Ian Lance Taylor <iant@google.com>
1878
1879 * common.cc (Symbol_table::allocate_commons): Remove options
1880 parameter. Change caller.
1881 (Symbol_table::do_allocate_commons): Remove options parameter.
1882 Change caller. Just call do_allocate_commons_list twice.
1883 (Symbol_table::do_allocate_commons_list): New function, broken out
1884 of do_allocate_commons.
1885 * common.h (class Allocate_commons_task): Remove options_ field.
1886 Update constructor.
1887 * symtab.cc (Symbol_table::Symbol_table): Initialize
1888 tls_commons_.
1889 (Symbol_table::add_from_object): Put TLS common symbols on
1890 tls_commons_ list.
1891 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
1892 which are IN_OUTPUT_DATA.
1893 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
1894 allocate_commons and do_allocate_commons declarations. Declare
1895 do_allocate_commons_list.
1896 * gold.cc (queue_middle_tasks): Update creation of
1897 Allocate_commons_task to not pass options.
1898 * testsuite/Makefile.am (INCLUDES): Add -I.. .
1899 (TLS_TEST_C_FLAGS): New variable.
1900 (tls_test_c_pic.o): New target.
1901 (tls_test_shared.so): Link in tls_test_c_pic.o.
1902 (tls_test_c_pic_ie.o): New target.
1903 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
1904 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
1905 (tls_test_c.o): New target.
1906 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
1907 (tls_pic_test_LDADD): Likewise.
1908 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
1909 (tls_shared_gd_to_ie_test_LDADD): Likewise.
1910 (tls_test_c_gnu2.o): New target.
1911 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
1912 tls_test_c_gnu2.o.
1913 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
1914 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
1915 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
1916 * testsuite/tls_test.cc: Include "config.h".
1917 (t_last): Call t11_last.
1918 * testsuite/tls_test.h (t11, t11_last): Declare.
1919 * testsuite/tls_test_c.c: New file.
1920 * testsuite/tls_test_main.cc (thread_routine): Call t11.
1921 * configure.ac: Check for OpenMP support.
1922 * configure, config.in, Makefile.in: Rebuild.
1923 * testsuite/Makefile.in: Rebuild.
1924
edfbb029
CC		 19252008-04-16 Cary Coutant <ccoutant@google.com>
1926
1927 * i386.cc (Target_i386::define_tls_base_symbol): New function.
1928 (Target_i386::tls_base_symbol_defined_): New field.
1929 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
1930 (Target_i386::Scan::global): Likewise.
1931 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
1932 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
1933 (Target_x86_64::tls_base_symbol_defined_): New field.
1934 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
1935 (Target_x86_64::Scan::global): Likewise.
1936
f3c69fca
CC		 19372008-04-16 Cary Coutant <ccoutant@google.com>
1938
1939 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
1940 (Symbol::needs_plt_entry): Allow weak undefined symbols.
1941 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
1942 building shared libraries.
1943 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
1944 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
1945 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
1946 * testsuite/Makefile.in: Rebuild.
1947 * testsuite/weak_undef.h: New file.
1948 * testsuite/weak_undef_file1.cc: Add extra test cases.
1949 * testsuite/weak_undef_file2.cc: Likewise.
1950 * testsuite/weak_undef_test.cc: Likewise.
1951
7c414435
DM		 19522008-04-16 David S. Miller <davem@davemloft.net>
1953
32b769e1
DM		 1954 * sparc.cc (Target_sparc::Scan): Change from struct to class.
1955 Add issued_non_pic_error_ field. Declare check_non_pic.
1956 (Target_sparc::Scan::check_non_pic): New function.
1957 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
1958 (Target_sparc::Scan::global): Likewise.
1959
11936fb1
DM		 1960 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
1961 * configure: Rebuild.
1962
7c414435
DM		 1963 * options.h (DEFINE_enable): New macro.
1964 (new_dtags): New enable option.
1965 (initfirst, interpose, loadfltr, nodefaultlib,
1966 nodelete, nodlopen, nodump): New -z options.
1967 * layout.cc (Layout:finish_dynamic_section): If new
1968 dtags enabled, emit DT_RUNPATH. Also, emit a
1969 DT_FLAGS_1 containing any specified -z flags.
1970
85c7bf8b
ILT		 19712008-04-16 Ian Lance Taylor <iant@google.com>
1972
12c0daef
ILT		 1973 * copy-relocs.cc: New file.
1974 * copy-relocs.h: New file.
1975 * reloc.cc: Remove Copy_relocs code.
1976 * reloc.h: Likewise.
1977 * reloc-types.h (struct Reloc_types) [both versions]: Add
1978 get_reloc_addend_noerror.
1979 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
1980 variants of add_global which take an addend which must be zero.
1981 * i386.cc: Include "copy-relocs.h".
1982 (class Target_i386): Change type of copy_relocs_ to variable,
1983 update initializer.
1984 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
1985 Change all callers.
1986 (Target_i386::do_finalize_sections): Change handling of
1987 copy_relocs_.
1988 * sparc.cc: Include "copy-relocs.h".
1989 (class Target_sparc): Change type of copy_relocs_ to variable,
1990 update initializer.
1991 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
1992 Change all callers.
1993 (Target_sparc::do_finalize_sections): Change handling of
1994 copy_relocs_.
1995 * x86_64.cc: Include "copy-relocs.h".
1996 (class Target_x86_64): Change type of copy_relocs_ to variable,
1997 update initializer.
1998 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
1999 class. Change all callers.
2000 (Target_x86_64::do_finalize_sections): Change handling of
2001 copy_relocs_.
2002 * Makefile.am (CCFILES): Add copy-relocs.cc.
2003 (HFILES): Add copy-relocs.h.
2004
4f4995b6
ILT		 2005 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
2006
85c7bf8b
ILT		 2007 * testsuite/script_test_4.sh: Permit leading zeroes.
2008
4f2a9edd
ILT		 20092008-04-15 Ian Lance Taylor <iant@google.com>
2010
e6188289
ILT		 2011 * script-sections.cc (Script_sections::create_segments): Use
2012 header_size_adjustment even when there is enough room for the
2013 headers.
2014 * testsuite/script_test_4.sh: New file.
2015 * testsuite/script_test_4.t: New file.
2016 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
2017 (check_DATA): Add script_test_4.stdout.
2018 (MOSTLYCLEANFILES): Likewise.
2019 (script_test_4): New target.
2020 (script_test_4.stdout): New target.
2021 * testsuite/Makefile.in: Rebuild.
2022
4f2a9edd
ILT		 2023 * sparc.cc: Add definitions for Output_data_plt_sparc class
2024 constants.
2025
f5314dd5
DM		 20262008-04-14 David S. Miller <davem@davemloft.net>
2027
2028 * sparc.cc: New file.
2029 * Makefile.am (TARGETSOURCES): Add sparc.cc
2030 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
2031 * configure.tgt: Document targ_extra_size and
2032 targ_extra_big_endian. Add entries for sparc-* and
2033 sparc64-*.
2034 * configure.ac: Handle targ_extra_size and
2035 targ_extra_big_endian.
2036 * Makefile.in: Rebuild.
2037 * configure: Likewise.
2038 * po/POTFILES.in: Likewise.
2039 * po/gold.pot: Likewise.
2040
154e0e9a
ILT		 20412008-04-14 Ian Lance Taylor <iant@google.com>
2042
2043 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
2044 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
2045 in the name/type/flags to section mapping. Don't call
2046 allocate_output_section.
2047 (Layout::choose_output_section): Change parameter from adjust_name
2048 to is_input_section. Don't permit input sections after sections
2049 are attached to segments. Don't call allocate_output_section.
2050 (Layout::layout_eh_frame): Call update_flags_for_input_section,
2051 not write_enable_output_section.
2052 (Layout::make_output_section): Don't push to
2053 unattached_section_list_ nor call attach_to_segment. Call
2054 attach_section_to_segment if sections are attached.
2055 (Layout::attach_sections_to_segments): New function.
2056 (Layout::attach_section_to_segment): New function.
2057 (Layout::attach_allocated_section_to_segment): Rename from
2058 attach_to_segment. Remove flags parameter.
2059 (Layout::allocate_output_section): Remove function.
2060 (Layout::write_enable_output_section): Remove function.
2061 * layout.h (class Layout): Update for above changes. Add new
2062 field sections_are_attached_.
2063 * output.h (Output_section::update_flags_for_input_section): New
2064 function.
2065 * output.cc (Output_section::add_input_section): Call
2066 update_flags_for_input_section.
2067 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
2068
009a67a2
CC		 20692008-04-11 Cary Coutant <ccoutant@google.com>
2070
2071 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
2072 thought unnecessary.
2073 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
2074
759b1a24
ILT		 20752008-04-11 Ian Lance Taylor <iant@google.com>
2076
2077 * output.h (class Output_section_data): Remove inline definition
2078 of set_addralign.
2079 * output.cc (Output_section_data::set_addralign): New function.
2080
c2b45e22
CC		 20812008-04-11 Cary Coutant <ccoutant@google.com>
2082
2083 Add support for TLS descriptors for i386 and x86_64.
2084 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
2085 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
2086 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
2087 GOT_TYPE_TLS_DESC.
2088 (Target_i386::got_mod_index_entry): Remove unnecessary code.
2089 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
2090 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
2091 relocations.
2092 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
2093 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
2094 Fix problem with initial-exec relocations.
2095 (Target_i386::Relocate::relocate_tls): Likewise.
2096 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
2097 relaxation.
2098 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
2099 support for section-plus-offset dynamic table entries.
2100 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
2101 (Output_data_dynamic::Dynamic_entry): Add support for
2102 section-plus-offset dynamic table entries.
2103 (Output_data_dynamic::Classification): Likewise.
2104 (Output_data_dynamic::classification_): Renamed offset_.
2105 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
2106 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
2107 (Target_x86_64::make_plt_section): New function.
2108 (Target_x86_64::reserve_tlsdesc_entries): New function.
2109 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
2110 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
2111 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
2112 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
2113 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
2114 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
2115 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
2116 add extra PLT entry for TLS descriptors.
2117 (Output_data_plt_x86_64::got_): New field.
2118 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
2119 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
2120 fields.
2121 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
2122 descriptors.
2123 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
2124 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
2125 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
2126 R_386_TLS_DESC_CALL relocations.
2127 (Target_x86_64::Scan::global): Likewise.
2128 (Target_x86_64::do_finalize_sections): Add dynamic table entries
2129 for TLS descriptors.
2130 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
2131 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
2132 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
2133 GD-to-IE relaxation.
2134 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
2135 and TLS_DESCRIPTORS.
2136 * Makefile.in: Rebuild.
2137 * configure: Rebuild.
2138 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
2139 (tls_test_shared2.so): New target.
2140 (tls_shared_gd_to_ie_test_SOURCES): New variable.
2141 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
2142 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
2143 (tls_shared_gd_to_ie_test_LDADD): New variable.
2144 (tls_shared_gnu2_gd_to_ie_test): New target.
2145 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
2146 New targets.
2147 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
2148 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
2149 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
2150 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
2151 (tls_shared_gnu2_test): New target.
2152 (tls_test_gnu2_shared.so): New target.
2153 (tls_shared_gnu2_test_SOURCES): New variable.
2154 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
2155 (tls_shared_gnu2_test_LDFLAGS): New variable.
2156 (tls_shared_gnu2_test_LDADD): New variable.
2157 * testsuite/Makefile.in: Rebuild.
2158 * testsuite/Makefile.
2159
83bfb6b7
ILT		 21602008-04-11 Ian Lance Taylor <iant@google.com>
2161
2162 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
2163 justsyms.t.
2164 * testsuite/Makefile.in: Rebuild.
2165
2166 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
2167 long.
2168 * testsuite/script_test_2.cc (main): Adjust test.
2169
706e1f5e
ILT		 21702008-04-11 David S. Miller <davem@davemloft.net>
2171 Ian Lance Taylor <iant@google.com>
2172
2173 * options.h (General_options): Add entries for '-Y' and
2174 '-relax'.
2175 * options.cc (General_options:finalize): If -Y was used, add those
2176 entries to the library path instead of the default "/lib" and
2177 "/usr/lib".
2178
7c98e6bb
DM		 21792008-04-11 David S. Miller <davem@davemloft.net>
2180
2181 * testsuite/justsyms.t: Start at 0x100.
2182 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
83bfb6b7
ILT		 2183 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
2184 long.
2185 * testsuite/script_test_2.cc: Adjust string and section length
2186 checks.
7c98e6bb 2187
99a37bfd
ILT		 21882008-04-09 Ian Lance Taylor <iant@google.com>
2189
2cefc357
ILT		 2190 PR gold/5996
2191 * script-sections.cc (Sections_element::allocate_to_segment): Add
2192 orphan parameter.
2193 (Output_section_definition::allocate_to_segment): Likewise.
2194 (Orphan_output_section::allocate_to_segment): Likewise.
2195 (Script_sections::attach_sections_using_phdrs_clause): Don't
2196 propagate non-PT_LOAD segments to orphan sections.
2197 * testsuite/Makefile.am (script_test_3.stdout): Generate using
2198 readelf rather than objdump.
2199 * testsuite/script_test_3.sh: Adjust accordingly. Test that
2200 .interp section and PT_INTERP segment are the same size.
2201 * testsuite/Makefile.in: Rebuild.
2202
99a37bfd
ILT		 2203 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
2204 aliases for symbols defined in the same object.
2205 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
2206 (weak_alias_test_SOURCES): New variable.
2207 (weak_alias_test_DEPENDENCIES): New variable.
2208 (weak_alias_test_LDFLAGS): New variable.
2209 (weak_alias_test_LDADD): New variable.
2210 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
2211 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
2212 (weak_alias_test_3.o): New target.
2213 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
2214 * testsuite/weak_alias_test_main.cc: New file.
2215 * testsuite/weak_alias_test_1.cc: New file.
2216 * testsuite/weak_alias_test_2.cc: New file.
2217 * testsuite/weak_alias_test_3.cc: New file.
2218
780e49c5
ILT		 22192008-04-08 Ian Lance Taylor <iant@google.com>
2220
cdb0b8f5
ILT		 2221 * options.h (class General_options): Add --noinhibit-exec option.
2222 * main.cc (main): Check --noinhibit-exec.
2223
0864d551
ILT		 2224 * options.h (class General_options): Define --wrap as a special
2225 option. Add wrap_symbols_ field.
2226 (General_options::any_wrap_symbols): New function.
2227 (General_options::is_wrap_symbol): New function.
2228 * options.cc (General_options::parse_wrap): New function.
2229 (General_options::General_options): Initialize wrap_symbols_.
2230 * symtab.cc (Symbol_table::wrap_symbol): New function.
2231 (Symbol_table::add_from_object): Handle --wrap.
2232 * symtab.h (class Symbol_table): Declare wrap_symbol.
2233 * target.h (Target::wrap_char): New function.
2234 (Target::Target_info): Add wrap_char field.
2235 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
2236 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2237 * testsuite/testfile.cc (Target_test::test_target_info):
2238 Likewise.
2239
789aa6de
ILT		 2240 * errors.cc (Errors::undefined_symbol): Mention symbol version if
2241 there is one.
2242
2c38906f
ILT		 2243 * layout.h (class Layout): Add added_eh_frame_data_ field.
2244 * layout.cc (Layout::Layout): Initialize new field.
2245 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
2246 output section until we find a section we merged successfully.
2247 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
2248 that the size be non-zero.
2249
780e49c5
ILT		 2250 * merge.cc (Object_merge_map::get_output_offset): Remove inline
2251 qualifier.
2252
7fcd0256
ILT		 22532008-04-08 Craig Silverstein <csilvers@google.com>
2254
2255 * configure.ac: Export new conditional variable HAVE_ZLIB.
2256 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
2257 on HAVE_ZLIB.
2258 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
2259 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2260
6835af53
ILT		 22612008-04-07 Ian Lance Taylor <iant@google.com>
2262
e24f324c
ILT		 2263 * version.cc (version_string): Set to "1.5".
2264
a036edd8
ILT		 2265 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
2266 Add issued_non_pic_error_ field. Declare check_non_pic.
2267 (Target_x86_64::Scan::check_non_pic): New function.
2268 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
2269 (Target_x86_64::Scan::global): Likewise.
2270
624f8810
ILT		 2271 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
2272 addend parameter. Change caller. Handle merge sections.
2273 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
2274 Address to Addend. Don't add in the result of
2275 local_section_offset, pass down the addend and use the returned
2276 value.
2277 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
2278 Update declarations of local_section_offset and symbol_value.
2279 * testsuite/two_file_test_1.cc (t18): New function.
2280 * testsuite/two_file_test_2.cc (f18): New function.
2281 * testsuite/two_file_test_main.cc (main): Call t18.
2282 * testsuite/two_file_test.h (t18, f18): Declare.
2283
6835af53
ILT		 2284 * configure.ac: Don't test for objdump, c++filt, or readelf.
2285 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
2286 conditionals.
2287 (TEST_READELF): New variable.
2288 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
2289 (check_PROGRAMS): Add two_file_strip_test.
2290 (two_file_strip_test): New target.
2291 (check_PROGRAMS): Add two_file_same_shared_strip_test.
2292 (two_file_same_shared_strip_test_SOURCES): New variable.
2293 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
2294 (two_file_same_shared_strip_test_LDFLAGS): New variable.
2295 (two_file_same_shared_strip_test_LDADD): New variable.
2296 (two_file_shared_strip.so): New target.
2297 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
2298 (ver_test_5.syms, ver_test_7.syms): Likewise.
2299 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
2300 (strip_test_3.stdout): Use TEST_OBJDUMP.
2301 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2302
86925eef
CC		 23032008-04-04 Cary Coutant <ccoutant@google.com>
2304
2305 * symtab.h (Symbol::is_weak_undefined): New function.
2306 (Symbol::is_strong_undefined): New function.
2307 (Symbol::is_absolute): New function.
2308 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
2309 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
2310 absolute symbols.
2311 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
2312 (weak_undef_test): New target.
2313 * testsuite/Makefile.in: Rebuild.
2314 * testsuite/weak_undef_file1.cc: New file.
2315 * testsuite/weak_undef_file2.cc: New file.
2316 * testsuite/weak_undef_test.cc: New file.
2317
126f3ece
ILT		 23182008-04-03 Craig Silverstein <csilvers@google.com>
2319
2320 * compressed_output.h (class Output_compressed_section): Use
2321 unsigned buffer.
2322 * compressed_output.cc (zlib_compress): Use unsigned buffers,
2323 add zlib header.
2324 (zlib_compressed_suffix): Removed.
2325 (Output_compressed_section::set_final_data_size): Use unsigned
2326 buffers.
2327 * testsuite/Makefile.am (flagstest_compress_debug_sections):
2328 Fix linker invocation.
2329 (flagstest_o_specialfile_and_compress_debug_sections):
2330 Likewise.
2331 * testsuite/Makefile.in: Regenerated.
2332
deae2a14
DM		 23332008-04-02 David S. Miller <davem@davemloft.net>
2334
2335 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
2336 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
2337
70752818
ILT		 23382008-04-02 Craig Silverstein <csilvers@google.com>
2339
2340 * TODO: New file.
2341
39d0cb0e
ILT		 23422008-04-02 Ian Lance Taylor <iant@google.com>
2343
2344 * fileread.cc (File_read::find_view): Add byteshift and vshifted
2345 parameters. Update for new key type to views_. Change all
2346 callers.
2347 (File_read::read): Adjust for byteshift in returned view.
2348 (File_read::add_view): New function, broken out of
2349 find_and_make_view.
2350 (File_read::make_view): New function, broken out of
2351 find_and_make_view.
2352 (File_read::find_or_make_view): Add offset and aligned
2353 parameters. Rewrite accordingly. Change all callers.
2354 (File_read::get_view): Add offset and aligned parameters. Adjust
2355 for byteshift in return value.
2356 (File_read::get_lasting_view): Likewise.
2357 * fileread.h (class File_read): Update declarations.
2358 (class File_read::View): Add byteshift_ field. Add byteshift to
2359 constructor. Add byteshift method.
2360 * archive.h (Archive::clear_uncached_views): New function.
2361 (Archive::get_view): Add aligned parameter. Change all callers.
2362 * object.h (Object::get_view): Add aligned parameter. Change all
2363 callers.
2364 (Object::get_lasting_view): Likewise.
2365
2366 * fileread.cc (File_read::release): Don't call clear_views if
2367 there are multiple objects.
2368 * fileread.h (File_read::clear_uncached_views): New function.
2369 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
2370 on the archive.
2371
a1207466
CC		 23722008-03-31 Cary Coutant <ccoutant@google.com>
2373
2374 Add thin archive support.
2375 * archive.cc (Archive::armagt): New const.
2376 (Archive::setup): Remove task parameter and calls to unlock.
2377 (Archive::unlock_nested_archives): New function.
2378 (Archive::read_header): Add nested_off parameter. Change
2379 all callers.
2380 (Archive::interpret_header): Likewise.
2381 (Archive::include_all_members): Change to handle thin
2382 archives.
2383 (Archive::include_member): Likewise.
2384 * archive.h (Archive::Archive): Add new parameters and
2385 initializers.
2386 (Archive::armagt): New const.
2387 (Archive::setup): Remove task parameter.
2388 (Archive::unlock_nested_archives): New function.
2389 (Archive::read_header): Add nested_off parameter.
2390 (Archive::interpret_header): Likewise.
2391 (Archive::Nested_archive_table): New typedef.
2392 (Archive::is_thin_archive_): New field.
2393 (Archive::nested_archives_): New field.
2394 (Archive::options_): New field.
2395 (Archive::dirpath_): New field.
2396 (Archive::task_): New field.
2397 * readsyms.cc (Read_symbols::do_read_symbols): Add check
2398 for thin archives. Pass additional parameters to
2399 Archive::Archive. Unlock the archive file after calling
2400 Archive::setup.
cd536b21 2401
479f6503
ILT		 24022008-03-29 Ian Lance Taylor <iant@google.com>
2403
686c8caf
ILT		 2404 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
2405 version symbol to be local.
2406 * testsuite/ver_test_4.sh: New file.
2407 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
2408 (check_DATA): Add ver_test_4.syms.
2409 (ver_test_4.syms): New target.
2410 * testsuite/Makefile.in: Rebuild.
2411
ab794b6b
ILT		 2412 * output.cc
2413 (Output_section::Input_section_sort_entry::has_priority): New
2414 function.
2415 (Output_section::Input_section_sort_entry::match_file_name): New
2416 function.
2417 (Output_section::Input_section_sort_entry::match_section_name):
2418 Remove.
2419 (Output_section::Input_section_sort_entry::match_section_name_prefix):
2420 Remove.
2421 (Output_section::Input_section_sort_entry::match_section_file):
2422 Remove.
2423 (Output_section::Input_section_sort_compare::operator()): Rewrite
2424 using new Input_section_sort_entry functions. Sort crtbegin and
2425 crtend first. Sort sections with no priority before sections with
2426 a priority.
2427 * testsuite/initpri1.c (d3): Check j != 4.
2428 (cd5): New constructor/destructor function.
2429 (main): Check j != 2.
2430
479f6503
ILT		 2431 * symtab.cc (Symbol_table::add_from_object): If we don't use the
2432 new symbol when resolving, don't call set_is_default.
2433 * testsuite/ver_test_7.cc: New file.
2434 * testsuite/ver_test_7.sh: New file.
2435 * testsuite/Makefile.am (ver_test_7.so): New target.
2436 (ver_test_7.o): New target.
2437 (check_SCRIPTS): Add ver_test_7.sh.
2438 (check_DATA): Add ver_test_7.syms.
2439 (ver_test_7.syms): New target.
2440
2fd32231
ILT		 24412008-03-28 Ian Lance Taylor <iant@google.com>
2442
2443 * layout.cc (Layout::layout): If we see an input section with a
2444 name that needs sorting, set the must_sort flag for the output
2445 section.
2446 (Layout::make_output_section): If the name of the output section
2447 indicates that it might require sorting, set the may_sort flag.
2448 * output.h (Output_section::may_sort_attached_input_sections): New
2449 function.
2450 (Output_section::set_may_sort_attached_input_sections): New
2451 function.
2452 (Output_section::must_sort_attached_input_sections): New
2453 function.
2454 (Output_section::set_must_sort_attached_input_sections): New
2455 function.
2456 (class Output_section): Declare Input_section_sort_entry. Define
2457 Input_section_sort_compare. Declare
2458 sort_attached_input_sections. Add new fields:
2459 may_sort_attached_input_sections_,
2460 must_sort_attached_input_sections_,
2461 attached_input_sections_are_sorted_.
2462 * output.cc (Output_section::Output_section): Initialize new
2463 fields.
2464 (Output_section::add_input_section): Add an entry to
2465 input_sections_ if may_sort or must_sort are true.
2466 (Output_section::set_final_data_size): Call
2467 sort_attached_input_sections if necessary.
2468 (Output_section::Input_section_sort_entry): Define new class.
2469 (Output_section::Input_section_sort_compare::operator()): New
2470 function.
2471 (Output_section::sort_attached_input_sections): New function.
2472 * configure.ac: Check whether the compiler supports constructor
2473 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
2474 * testsuite/initpri1.c: New file.
2475 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
2476 CONSTRUCTOR_PRIORITY.
2477 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
2478 (initpri1_LDFLAGS): New variable.
2479 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2480
18e6b24e
ILT		 24812008-03-27 Ian Lance Taylor <iant@google.com>
2482
49bdd526
ILT		 2483 * common.cc (Sort_commons::operator): Correct sorting algorithm.
2484 * testsuite/common_test_1.c: New file.
2485 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
2486 (common_test_1_SOURCES): New variable.
2487 (common_test_1_DEPENDENCIES): New variable.
2488 (common_test_1_LDFLAGS): New variable.
2489
18e6b24e
ILT		 2490 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
2491 and commons_ correctly when NAME/VERSION does not override
2492 NAME/NULL.
2493 * testsuite/ver_test_6.c: New file.
2494 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
2495 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
2496 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
2497
04bf7072
ILT		 24982008-03-26 Ian Lance Taylor <iant@google.com>
2499
5871526f
ILT		 2500 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
2501 of an undefined symbol from a version script.
2502 * testsuite/Makefile.am (ver_test_5.so): New target.
2503 (ver_test_5.o): New target.
2504 (check_SCRIPTS): Add ver_test_5.sh.
2505 (check_DATA): Add ver_test_5.syms.
2506 (ver_test_5.syms): New target.
2507 * testsuite/ver_test_5.cc: New file.
2508 * testsuite/ver_test_5.script: New file.
2509 * testsuite/ver_test_5.sh: New file.
2510 * Makefile.in, testsuite/Makefile.in: Rebuild.
2511
04bf7072
ILT		 2512 PR gold/5986
2513 Fix problems building gold with gcc 4.3.0.
2514 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
2515 (gold_error_at_location, gold_warning_at_location): Use it.
2516 * configure.ac: Check whether we can compile and use a template
2517 function with a printf attribute.
2518 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
2519 when jumping over bytes.
2520 * object.cc: Instantiate Object::read_section_data.
2521 * debug.h: Include <cstring>
2522 * dwarf_reader.cc: Include <algorithm>
2523 * main.cc: Include <cstring>.
2524 * options.cc: Include <cstring>.
2525 * output.cc: Include <cstring>.
2526 * script.cc: Include <cstring>.
2527 * script.h: Include <string>.
2528 * symtab.cc: Include <cstring> and <algorithm>.
2529 * target-select.cc: Include <cstring>.
2530 * version.cc: Include <string>.
2531 * testsuite/testmain.cc: Include <cstdlib>.
2532 * configure, config.in: Rebuild.
2533
874c5b28
ILT		 25342008-03-25 Ian Lance Taylor <iant@google.com>
2535
819d6c3a
ILT		 2536 * options.cc: Include "../bfd/bfdver.h".
2537 (options::help): Print bug reporting address.
2538
f4b2c6f5
ILT		 2539 * version.cc (print_version): Adjust output for current value of
2540 BFD_VERSION_STRING.
2541
2542 * NEWS: New file.
2543
e96caa79
ILT		 2544 * options.cc (options::help): Print list of supported targets.
2545 * target-select.h: Include <vector>.
2546 (class Target_selector): Make machine_, size_, and is_big_endian_
2547 fields const. Add bfd_name_ and instantiated_target_ fields.
2548 (Target_selector::Target_selector): Add bfd_name parameter.
2549 (Target_selector::recognize): Make non-virtual, call
2550 do_recognize.
2551 (Target_selector::recognize_by_name): Make non-virtual, call
2552 do_recognize_by_name.
2553 (Target_selector::supported_names): New function.
2554 (Target_selector::bfd_name): New function.
2555 (Target_selector::do_instantiate_target): New pure virtual
2556 function.
2557 (Target_selector::do_recognize): New virtual function.
2558 (Target_selector::do_recognize_by_name): New virtual function.
2559 (Target_selector::instantiate_target): New private function.
2560 (supported_target_names): Declare.
2561 * target-select.cc (Target_selector::Target_selector): Update for
2562 new parameter and fields.
2563 (select_target_by_name): Check that the name matches before
2564 calling recognize_by_name.
2565 (supported_target_names): New function.
2566 * i386.cc (class Target_selector_i386): Update Target_selector
2567 constructor call. Remove recognize and recognize_by_name. Add
2568 do_instantiate_target.
2569 * x86_64.cc (class Target_selector_x86_64): Likewise.
2570 * testsuite/testfile.cc (class Target_selector_test): Update for
2571 changes to Target_selector.
2572
874c5b28
ILT		 2573 * README: Rewrite, with some notes on unsupported features.
2574
0a65a3a7
CC		 25752008-03-24 Cary Coutant <ccoutant@google.com>
2576
2577 * i386.cc (Target_i386::Got_type): New enum declaration.
2578 (Target_i386::Scan::local): Updated callers of Output_data_got
2579 member functions.
2580 (Target_i386::Scan::global): Likewise.
2581 (Target_i386::Relocate::relocate): Likewise.
2582 (Target_i386::Relocate::relocate_tls): Likewise.
2583 * object.h (Got_offset_list): New class.
2584 (Sized_relobj::local_has_got_offset): Added got_type parameter.
2585 (Sized_relobj::local_got_offset): Likewise.
2586 (Sized_relobj::set_local_got_offset): Likewise.
2587 (Sized_relobj::local_has_tls_got_offset): Removed.
2588 (Sized_relobj::local_tls_got_offset): Removed.
2589 (Sized_relobj::set_local_tls_got_offset): Removed.
2590 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
2591 * output.cc (Output_data_got::add_global): Added got_type parameter.
2592 (Output_data_got::add_global_with_rel): Likewise.
2593 (Output_data_got::add_global_with_rela): Likewise.
2594 (Output_data_got::add_global_pair_with_rel): New function.
2595 (Output_data_got::add_global_pair_with_rela): New function.
2596 (Output_data_got::add_local): Added got_type parameter.
2597 (Output_data_got::add_local_with_rel): Likewise.
2598 (Output_data_got::add_local_with_rela): Likewise.
2599 (Output_data_got::add_local_pair_with_rel): New function.
2600 (Output_data_got::add_local_pair_with_rela): New function.
2601 (Output_data_got::add_global_tls): Removed.
2602 (Output_data_got::add_global_tls_with_rel): Removed.
2603 (Output_data_got::add_global_tls_with_rela): Removed.
2604 (Output_data_got::add_local_tls): Removed.
2605 (Output_data_got::add_local_tls_with_rel): Removed.
2606 (Output_data_got::add_local_tls_with_rela): Removed.
2607 * output.h (Output_data_got::add_global): Added got_type parameter.
2608 (Output_data_got::add_global_with_rel): Likewise.
2609 (Output_data_got::add_global_with_rela): Likewise.
2610 (Output_data_got::add_global_pair_with_rel): New function.
2611 (Output_data_got::add_global_pair_with_rela): New function.
2612 (Output_data_got::add_local): Added got_type parameter.
2613 (Output_data_got::add_local_with_rel): Likewise.
2614 (Output_data_got::add_local_with_rela): Likewise.
2615 (Output_data_got::add_local_pair_with_rel): New function.
2616 (Output_data_got::add_local_pair_with_rela): New function.
2617 (Output_data_got::add_global_tls): Removed.
2618 (Output_data_got::add_global_tls_with_rel): Removed.
2619 (Output_data_got::add_global_tls_with_rela): Removed.
2620 (Output_data_got::add_local_tls): Removed.
2621 (Output_data_got::add_local_tls_with_rel): Removed.
2622 (Output_data_got::add_local_tls_with_rela): Removed.
2623 * resolve.cc (Symbol::override_base_with_special): Removed
2624 reference to has_got_offset_ field.
2625 * symtab.cc (Symbol::init_fields): Replaced initialization
2626 of got_offset_ with got_offsets_. Removed initialization
2627 of has_got_offset_
53fcba31 2628 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
0a65a3a7
CC		 2629 (Symbol::got_offset): Likewise.
2630 (Symbol::set_got_offset): Likewise.
2631 (Symbol::has_tls_got_offset): Removed.
2632 (Symbol::tls_got_offset): Removed.
2633 (Symbol::set_tls_got_offset): Removed.
2634 (Symbol::got_offset_): Removed.
2635 (Symbol::tls_mod_got_offset_): Removed.
2636 (Symbol::tls_pair_got_offset_): Removed.
2637 (Symbol::got_offsets_): New field.
2638 (Symbol::has_got_offset): Removed.
2639 (Symbol::has_tls_mod_got_offset): Removed.
2640 (Symbol::has_tls_pair_got_offset): Removed.
2641 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
2642 (Target_x86_64::Scan::local): Updated callers of Output_data_got
2643 member functions.
2644 (Target_x86_64::Scan::global): Likewise.
2645 (Target_x86_64::Relocate::relocate): Likewise.
2646 (Target_x86_64::Relocate::relocate_tls): Likewise.
2647
bd52eafb
BE		 26482008-03-25 Ben Elliston <bje@au.ibm.com>
2649
2650 * yyscript.y: Fix spelling error in comment.
2651
8b105e34
ILT		 26522008-03-24 Ian Lance Taylor <iant@google.com>
2653
8ed814a9
ILT		 2654 * options.h (class General_options): Define build_id option.
2655 * layout.h (class Layout): Declare write_build_id, create_note,
2656 create_build_id. Add build_id_note_ member.
2657 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
2658 "libiberty.h", "md5.h", "sha1.h".
2659 (Layout::Layout): Initialize eh_frame_data_,
2660 eh_frame_hdr_section_, and build_id_note_.
2661 (Layout::finalize): Call create_build_id.
2662 (Layout::create_note): New function, broken out of
2663 Layout::create_gold_note.
2664 (Layout::create_gold_note): Call create_note.
2665 (Layout::create_build_id): New function.
2666 (Layout::write_build_id): New function.
2667 (Close_task_runner::run): Call write_build_id.
2668
8b105e34
ILT		 2669 * x86_64.cc: Correct license to GPLv3.
2670
086a1841
ILT		 26712008-03-23 Ian Lance Taylor <iant@google.com>
2672
2673 * options.cc: Include "demangle.h".
2674 (parse_optional_string): New function.
2675 (parse_long_option): Handle takes_optional_argument.
2676 (parse_short_option): Update dash_z initializer. Handle
2677 takes_optional_argument.
2678 (General_options::General_options): Initialize do_demangle_.
2679 (General_options::finalize): Set do_demangle_. Handle demangling
2680 style.
2681 * options.h (parse_optional_string): Declare.
2682 (struct One_option): Add optional_arg field. Update constructor.
2683 Update call constructor calls. Add takes_optional_argument
2684 function.
2685 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
2686 (DEFINE_optional_string): Define.
2687 (General_options::demangle): Change from DEFINE_bool to
2688 DEFINE_optional_string.
2689 (General_options::no_demangle): New function.
2690 (General_options::do_demangle): New function.
2691 (General_options::set_do_demangle): New function.
2692 (General_options::execstack_status_): Move definition to end of
2693 class definition.
2694 (General_options::static_): Likewise.
2695 (General_options::do_demangle_): New field.
2696 * object.cc (big_endian>::get_symbol_location_info): Call
2697 Options::do_demangle, not Options::demangle.
2698 * symtab.cc (demangle): Likewise.
2699
cbb93e63
ILT		 27002008-03-22 Ian Lance Taylor <iant@google.com>
2701
2702 * gold.h: Include <cstddef> and <sys/types.h>
2703 * options.h: Include <cstring>.
2704
ec531623
ILT		 27052008-03-21 Ian Lance Taylor <iant@google.com>
2706
2707 * Added source code to GNU binutils.
GDB Binutils - Deliverables
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