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* Makefile.in (clean): rm -f $(DEPDIR)/*.
[deliverable/binutils-gdb.git] / gold / ChangeLog
CommitLineData
8a4c0b0d
ILT		 12009-03-01 Mikolaj Zalewski <mikolajz@google.com>
2
3 * layout.cc (Layout::find_or_add_kept_section): New function.
4 (Layout::add_comdat): Removed.
5 * layout.h (struct Kept_section): Move out of class Layout.
6 Remove trailing underscores from field names. Add group_sections
7 field. Rename group_ field to is_group. Change all uses.
8 (class Layout): Declare find_or_add_kept_section, not add_comdat.
9 * object.cc (Sized_relobj::Sized_relobj): Don't initialize
10 comdat_groups_ field.
11 (Sized_relobj::include_section_group): Use
12 find_or_add_kept_section and Kept_section::group_sections.
13 (Sized_relobj::include_linkonce_section): Likewise.
14 * object.cc (class Sized_relobj): Don't define Comdat_group or
15 Comdat_group_table. Remove find_comdat_group and
16 add_comdat_group. Remove comdat_groups_ field.
17 * plugin.cc (include_comdat_group): Use
18 Layout::find_or_add_kept_section.
19
b4ecf66b
ILT		 202009-02-28 Ian Lance Taylor <iant@google.com>
21
14359ca0
ILT		 22 * README: --gc-sections and map files are now supported. Document
23 some build requirements.
24
b4ecf66b
ILT		 25 PR 6992
26 * symtab.cc (Symbol_table::sized_write_section_symbol): In a
27 relocatable link set the value of the section symbol to zero.
28 * object.cc (Sized_relobj::do_finalize_local_symbols): In a
29 relocatable link don't include the section address in the local
30 symbol value.
31
0602e05a
ILT		 322009-02-27 Ian Lance Taylor <iant@google.com>
33
fd9d194f
ILT		 34 PR 6811
35 * options.h (class Search_directory): Add is_system_directory.
36 (class General_options): Declare is_in_system_directory.
37 * options.cc (get_relative_sysroot): Make static.
38 (get_default_sysroot): Make static.
39 (General_optoins::is_in_system_directory): New function.
40 * fileread.cc (Input_file::is_in_system_directory): New function.
41 * fileread.h (class Input_file): Declare is_in_system_directory.
42 * object.h (class Object): Add is_in_system_directory.
43 (class Input_objects): Remove system_library_directory_ field.
44 * object.cc (Input_objects::add_object): Don't set
45 system_library_directory_.
46 (input_objects::found_in_system_library_directory): Remove.
47 * symtab.cc (Symbol_table::write_globals): Remove input_objects
48 parameter. Change all callers.
49 (Symbol_table::sized_write_globals): Likewise.
50 (Symbol_table::warn_about_undefined_dynobj_symbol): Likewise.
51 Call Object::is_in_system_directory.
52 * symtab.h (class Symbol_table): Update declarations.
53
61edd21f
ILT		 54 PR 5990
55 * descriptors.h (Open_descriptor): Add is_on_stack field.
56 * descriptors.cc (Descriptors::open): If the descriptor is on the
57 top of the stack, remove it. Initialize is_on_stack field.
58 (Descriptors::release): Only add pod to stack if it is not on the
59 stack already.
60 (Descriptors::close_some_descriptor): Clear stack_next and
61 is_on_stack fields.
62
e29e076a
ILT		 63 PR 7091
64 * output.cc (Output_section::find_starting_output_address): Rename
65 from starting_output_address; add PADDR parameter; change return
66 type.
67 * output.h (class Output_section): Declare
68 find_starting_output_address instead of starting_output_address.
69 * object.cc (Sized_relobj::do_finalize_local_symbols): Handle a
70 section symbol for which we can't find a merge section.
71
0602e05a
ILT		 72 PR 9836
73 * symtab.cc (Symbol_table::add_from_object): If the visibility is
74 hidden or internal, force the symbol to be local.
75 * resolve.cc (Symbol::override_visibility): Define.
76 (Symbol::override_base): Use override_visibility.
77 (Symbol_table::resolve): Likewise.
78 (Symbol::override_base_with_special): Likewise.
79 (Symbol_table::override_with_special): If the visibility is hidden
80 or internal, force the symbol to be local.
81 * symtab.h (class Symbol): Add set_visibility and
82 override_visibility.
83 * testsuite/ver_test_1.sh: New file.
84 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_1.sh.
85 (check_DATA): Add ver_test_1.syms.
86 (ver_test_1.syms): New target.
87 * testsuite/Makefile.in: Rebuild.
88
401a9a73
CC		 892009-02-25 Cary Coutant <ccoutant@google.com>
90
91 * layout.cc (Layout::choose_output_section): Don't rename sections
92 when using a linker script that has a SECTIONS clause.
93 * Makefile.in: Regenerate.
94
95 * testsuite/Makefile.am (script_test_5.sh): New test case.
96 * testsuite/Makefile.in: Regenerate.
97 * testsuite/script_test_5.cc: New file.
98 * testsuite/script_test_5.sh: New file.
99 * testsuite/script_test_5.t: New file.
100
f488e4b0
CC		 1012009-02-13 Rafael Avila de Espindola <espindola@google.com>
102
103 * archive.cc (Archive::include_member): Update calls to add_symbols.
104 * dynobj.cc (Sized_dynobj<size, big_endian>::make_version_map): Add
105 the Layout argument.
106 * dynobj.h (do_add_symbols): Add the Layout argument.
107 * object.cc (Sized_relobj<size, big_endian>::do_add_symbols): Add the
108 Layout argument.
109 * object.h (Object::add_symbols): Add the Layout argument.
110 (Object::do_add_symbols): Add the Layout argument.
111 (Sized_relobj::do_add_symbols): Add the Layout argument.
112 * plugin.cc (Sized_pluginobj<size, big_endian>::do_add_symbols):
113 Unify the two versions.
114 (Add_plugin_symbols): Remove.
115 * plugin.h (Pluginobj::add_symbols, Pluginobj::do_add_symbols): Remove.
116 (Sized_pluginobj::do_add_symbols): Unify the two versions.
117 (Add_plugin_symbols): Remove.
118 * readsyms.cc (Read_symbols::do_read_symbols): Update call to
119 Add_symbols. Use Add_symbols instead of Add_plugin_symbols.
120 (Add_symbols::run): Make it work with Pulginobj.
121
89dd1680
ILT		 1222009-02-06 Ian Lance Taylor <iant@google.com>
123
124 * object.cc (Sized_relobj::do_layout): Make info message start
125 with lower case letter.
126
266d0a74
ILT		 1272009-02-06 Mikolaj Zalewski <mikolajz@google.com>
128
602b464e
ILT		 129 * binary.cc: Fix file comment.
130
266d0a74
ILT		 131 * options.h (enum Incremental_disposition): Define.
132 (class General_options): Add new options: --incremental,
133 --incremental_changed, --incremental_unchanged,
134 --incremental_unknown. Add incremental_disposition_ and
135 implicit_incremental_ fields.
136 (General_options::incremental_disposition): New function.
137 (class Position_dependent_options): Add incremental_disposition
138 option.
139 (Position_dependent_options::copy_from_options): Set incremental
140 dispositions.
141 * options.cc (General_options::parse_incremental_changed): New
142 function.
143 (General_options::parse_incremental_unchanged): New function.
144 (General_options::parse_incremental_unknown): New function.
145 (General_options::General_options): Initialize new fields
146 incremental_disposition_ and implicit_incremental_.
147 (General_options::finalize): Check for uasge of --incremental-*
148 without --incremental.
149
f073bbf7
CD		 1502009-02-06 Chris Demetriou <cgd@google.com>
151
152 * gold.h (gold_undefined_symbol): Change to take only a Symbol
153 pointer and to report location as the file name associated with
154 the symbol.
155 (gold_undefined_symbol_at_location): New function to replace the
156 old gold_undefined_symbol functionality.
157 * target-reloc.h (relocate_section): Update to use
158 gold_undefined_symbol_at_location.
159 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
160 Call gold_undefined_symbol function rather than gold_error.
161 * errors.h (Errors::undefined_symbol): Take location as a
162 string, rather than calculating it from a relocation.
163 * errors.cc (Errors::fatal): Print "fatal error:" before the
164 formatted message.
165 (Errors::error, Errors::error_at_location): Print "error: "
166 before the formatted message.
167 (Errors::undefined_symbol): Take location as a string, rather
168 than calculating it from a relocation.
169 (gold_undefined_symbol_at_location): New function akin to
170 old gold_undefined_symbol, calculates location from relocation.
171 (gold_undefined_symbol): Change to take only a Symbol pointer
172 and to report location as the file name associated with the symbol.
173 * testsuite/debug_msg.sh: Update for changed error messages.
174 * testsuite/undef_symbol.sh: Likewise.
175
8e94a90c
ILT		 1762009-02-04 Duncan Sands <baldrick@free.fr>
177
178 PR 9812
179 * reduced_debug_output.h
180 (Output_reduced_debug_abbrev_section::failed): Use format for
181 gold_warning.
182 (Output_reduced_debug_info_section::faild): Likewise.
183
88a0e15b
ILT		 1842009-01-31 Mikolaj Zalewski <mikolajz@google.com>
185
186 * script.cc (Lazy_demangler): New class.
187 (Version_script_info::get_symbol_version_helper): Demangle a
188 symbol only once.
189
5efc7cd2
CC		 1902009-01-29 Cary Coutant <ccoutant@google.com>
191
192 * i386.cc (Target_i386::Relocate::relocate): Recognize non-PIC calls
193 to __tls_get_addr.
194 * x86_64.cc (Target_x86_64::Relocate::relocate): Likewise.
195
e0ebcf42
ILT		 1962009-01-28 Ian Lance Taylor <iant@google.com>
197
5efc7cd2 198 * version.cc (version_string): Bump to 1.9.
75fe7426 199
e0ebcf42
ILT		 200 * gold.h: Include <cstring> and <stdint.h>.
201 * version.cc: Include <cstdio>.
202 * object.cc (Sized_relobj::do_layout): Initialize gc_sd to avoid a
203 warning.
204 * reduced_debug_output.cc (insert_into_vector): Rename from
205 Insert_into_vector; change all callers. Use Swap_unaligned to
206 avoid aliasing issue; remove union since it is unnecessary.
207
8e2813be 2082009-01-27 Sriraman Tallam <tmsriram@google.com>
6d03d481
ST		 209
210 * Makefile.am (CCFILES): Add gc.cc.
211 (HFILES): Add gc.h.
212 * Makefile.in: Regenerate.
213 * gold.cc (Gc_runner): New class.
214 (queue_initial_tasks): Call garbage collection related tasks
215 when corresponding options are invoked.
216 (queue_middle_gc_tasks): New function.
217 (queue_middle_tasks): Reorder tasks to allow relocs to be read and
218 processed early before laying out sections during garbage collection.
219 * gold.h (queue_middle_gc_tasks): New function.
220 (is_prefix_of): Move from "layout.cc".
221 * i386.cc (Target_i386::gc_process_relocs): New function.
222 * layout.cc (is_prefix_of): Remove. Move to "gold.h"
223 * main.cc (main): Create object of class "Garbage_collection".
224 * object.cc (Relobj::copy_symbols_data): New function.
225 (Relobj::is_section_name_included): New function.
226 (Sized_relobj::do_layout): Allow this function to be called twice
227 during garbage collection and defer layout of section during the
228 first call.
229 * object.h (Relobj::get_symbols_data): New function.
230 (Relobj::is_section_name_included): New function.
231 (Relobj::copy_symbols_data): New function.
232 (Relobj::set_symbols_data): New function.
233 (Relobj::get_relocs_data): New function.
234 (Relobj::set_relocs_data): New function.
235 (Relobj::is_output_section_offset_invalid): New pure virtual function.
236 (Relobj::gc_process_relocs): New function.
237 (Relobj::do_gc_process_relocs): New pure virtual function.
238 (Relobj::sd_): New data member.
239 (Sized_relobj::is_output_section_offset_invalid): New function.
240 (Sized_relobj::do_gc_process_relocs): New function.
241 * options.h (General_options::gc_sections): Modify to not be a no-op.
242 (General_options::print_gc_sections): New option.
243 * plugin.cc (Plugin_finish::run): Remove function call to
244 Plugin_manager::layout_deferred_objects. Move it to "gold.cc".
245 * powerpc.cc (Target_powerpc::gc_process_relocs): New function.
246 * reloc.cc (Read_relocs::run): Add task to process relocs and
247 determine unreferenced sections when doing garbage collection.
248 (Gc_process_relocs): New class.
249 (Sized_relobj::do_gc_process_relocs): New function.
250 (Sized_relobj::do_scan_relocs): Don't try to scan the relocs for
251 sections that are garbage collected.
252 * reloc.h (Gc_process_relocs): New class.
253 * sparc.cc (Target_sparc::gc_process_relocs): New function.
254 * symtab.cc (Symbol::should_add_dynsym_entry): Do not add entries for
255 symbols whose corresponding sections are garbage collected.
256 (Symbol_table::Symbol_table): Add new parameter for the garbage
257 collection object.
258 (Symbol_table::gc_mark_undef_symbols): New function.
259 (Symbol_table::gc_mark_symbol_for_shlib): New function.
260 (Symbol_table::gc_mark_dyn_syms): New function.
261 (Symbol_table::resolve): Do not treat symbols seen in dynamic objects
262 as garbage.
263 (Symbol_table::add_from_object): Likewise.
264 (Symbol_table::add_from_relobj): When building shared objects, do not
265 treat externally visible symbols as garbage.
266 (Symbol_table::sized_finalize_symbol): Do not check dynamic symbol
267 table information for static and relocatable links.
268 * symtab.h (Symbol_table::set_gc): New function.
269 (Symbol_table::gc): New function.
270 (Symbol_table::gc_mark_undef_symbols): New function.
271 (Symbol_table::gc_mark_symbol_for_shlib): New function.
272 (Symbol_table::gc_mark_dyn_syms): New function.
273 (Symbol_table::gc_): New data member.
274 * target.h (Sized_target::gc_process_relocs): New pure virtual
275 function.
276 * x86_64.cc (Target_x86_64::gc_process_relocs): New function.
277 * testsuite/testfile.cc (Target_test::gc_process_relocs): New function.
278
3b293544
CF		 2792009-01-20 Chris Faylor <me.sourceware@sourceware.org>
280
281 * options.h (General_options::gc_sections): Define as a no-op for now.
282 (General_options::no_keep_memory): Ditto.
283 (General_options::Bshareable): Define.
284 * options.cc (General_options::finalize): Honor -Bshareable.
285
83d22aa8
AS		 2862009-01-20 Andreas Schwab <schwab@suse.de>
287
288 * powerpc.cc (Powerpc_relocate_functions::rel16_ha): Don't try to
289 read the value in the contents, since we don't use it. Use the
290 template endianness when writing.
291 (Relocate::relocate): Use it for R_PPC_REL16_HA.
292
cd536b21
AS		 2932009-01-19 Andreas Schwab <schwab@suse.de>
294
295 * configure.tgt (powerpc64-*): Fix targ_obj.
296
99e9a495
ILT		 2972009-01-15 Ian Lance Taylor <iant@google.com>
298
299 * object.cc (Sized_relobj::write_local_symbols): Don't write out
300 local symbols when stripping all symbols.
301
bbbfea06
CC		 3022009-01-14 Cary Coutant <ccoutant@google.com>
303
99e9a495 304 * output.cc (Output_reloc): Add explicit instantiations.
bbbfea06 305
0f7c0701
CC		 3062009-01-14 Cary Coutant <ccoutant@google.com>
307
308 * archive.cc (Archive::get_elf_object_for_member): Remove call
309 to File_read::claim_for_plugin.
310 * descriptors.cc (Descriptors::open): Remove reference to
311 is_claimed.
312 (Descriptors::claim_for_plugin): Remove.
313 * descriptors.h (Descriptors::claim_for_plugin): Remove.
314 (Descriptors::is_claimed): Remove.
315 (claim_descriptor_for_plugin): Remove.
316 * fileread.cc (File_read::claim_for_plugin): Remove.
317 * fileread.h (File_read::claim_for_plugin): Remove.
318 (File_read::descriptor): Reopen descriptor if necessary.
319 * plugin.cc (Plugin::load): Add two new APIs to transfer vector.
320 (Plugin_manager::all_symbols_read): Add task parameter. Change
321 all callers.
322 (Plugin_manager::get_input_file): New function.
323 (Plugin_manager::release_input_file): New function.
324 (Pluginobj::Pluginobj): Add filesize parameter and initialize
325 corresponding data member.
326 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter
327 and pass to base constructor. Change all callers.
328 (get_input_file, release_input_file): New functions.
329 (make_sized_plugin_object): Add filesize parameter. Change all callers.
330 * plugin.h (Plugin_manager::Plugin_manager): Initialize task_ member.
331 (Plugin_manager::all_symbols_read): Add task parameter.
332 (Plugin_manager::get_input_file): New function.
333 (Plugin_manager::release_input_file): New function.
334 (Plugin_manager::task_): New data member.
335 (Pluginobj::Pluginobj): Add filesize parameter.
336 (Pluginobj::filename): New function.
337 (Pluginobj::descriptor): New function.
338 (Pluginobj::filesize): New function.
339 (Pluginobj::filesize_): New data member.
340 (Sized_pluginobj::Sized_pluginobj): Add filesize parameter.
341 * readsyms.cc (Read_symbols::do_read_symbols): Remove call to
342 File_read::claim_for_plugin; use Object::unlock to unlock the file.
343
344 * testsuite/Makefile.am (plugin_test_4): New test case for plugins
345 with archive libraries.
346 * testsuite/Makefile.in: Regenerate.
347 * testsuite/plugin_test.c (struct sym_info): New type.
348 (get_input_file, release_input_file): New static variables.
349 (onload): Capture new transfer vector entries.
350 (claim_file_hook): Stop reading at end of file according to filesize.
351 Factor out parsing of readelf output into separate function.
352 (all_symbols_read_hook): Exercise get_input_file and release_input_file
353 APIs and get the source file name from the symbol table. Convert
354 source file name to corresponding object file name. Print info
355 message when adding new input files.
356 (parse_readelf_line): New function.
357 * testsuite/plugin_test_1.sh: Add checks for new info messages.
358 * testsuite/plugin_test_2.sh: Likewise.
359 * testsuite/plugin_test_3.sh: Likewise.
360 * testsuite/plugin_test_4.sh: New test case.
361
62a6d109
ILT		 3622009-01-07 Ian Lance Taylor <iant@google.com>
363
364 * version.cc (version_string): Bump to 1.8.
365
483620e8
CC		 3662008-12-23 Cary Coutant <ccoutant@google.com>
367
368 * gold.cc (gold_exit): Call plugin cleanup handlers on exit.
369 * plugin.cc (Plugin_manager::finish): Rename as
370 layout_deferred_objects. Move cleanup to separate function.
371 (Plugin_manager::cleanup): New function.
372 (Plugin_finish::run): Call layout_deferred_objects and cleanup
373 separately.
374 * plugin.h (Plugin_manager::finish): Rename as
375 layout_deferred_objects.
376 (Plugin_manager::cleanup): New function.
377 (Plugin_manager::cleanup_done): New field.
378
d66a9eb3
CC		 3792008-12-23 Cary Coutant <ccoutant@google.com>
380
381 * plugin.cc (is_visible_from_outside): New function.
382 (Pluginobj::get_symbol_resolution_info): Call is_visible_from_outside
383 so we don't return "IR only" status for exported symbols or -r links.
384
385 * testsuite/Makefile.am (plugin_test_3): New test case.
386 * testsuite/Makefile.in: Regenerate.
387 * testsuite/plugin_test_3.sh: New file.
388
5995b570
CC		 3892008-12-22 Cary Coutant <ccoutant@google.com>
390
391 * object.cc (Sized_relobj::layout_section): New function.
392 (Sized_relobj::do_layout): Defer layout of input sections until after
393 plugin has provided replacement files.
394 (Sized_relobj::do_layout_deferred_sections): New function.
395 * object.h (Relobj::set_section_offset): Remove virtual keyword.
396 (Relobj::layout_deferred_sections): New function.
397 (Relobj::do_layout_deferred_sections): New function.
398 (Sized_relobj::do_layout_deferred_sections): New function.
399 (Sized_relobj::layout_section): New function.
400 (Sized_relobj::Deferred_layout): New structure.
401 (Sized_relobj::deferred_layout_): New field.
402 * plugin.cc (Plugin_manager::finish): Renamed, was cleanup.
403 Change all callers. Layout deferred sections.
404 (class Plugin_finish): Renamed, was Plugin_cleanup. Change all
405 references.
406 (Plugin_hook::run): Move code from do_plugin_hook inline.
407 (Plugin_hook::do_plugin_hook): Remove.
408 * plugin.h (Plugin_manager::Plugin_manager): Add missing initializers.
409 (Plugin_manager::finish): Renamed, was cleanup.
410 (Plugin_manager::should_defer_layout): New function.
411 (Plugin_manager::add_deferred_layout_object): New function.
412 (Plugin_manager::Deferred_layout_list): New type.
413 (Plugin_manager::deferred_layout_objects_): New field.
414 (Plugin_hook::do_plugin_hook): Remove.
415
ee769c88
ILT		 4162008-12-17 Ian Lance Taylor <iant@google.com>
417
418 * options.h (class General_options): Add --no case for
419 --export-dynamic.
420
abc8dcba
CC		 4212008-12-16 Cary Coutant <ccoutant@google.com>
422
423 * plugin.cc (Plugin::load): Move LDPT_MESSAGE to front of transfer
424 vector.
425 (Plugin_manager::claim_file): Create plugin object even if
426 plugin did not call the add_symbols callback.
427 (Plugin_obj::get_symbol_resolution_info): Guard against plugin
428 asking for more symbols than were added.
429 * testsuite/Makefile.am (plugin_test_1): Add test case with
430 no global symbols.
431 (empty.syms): New target.
432 * testsuite/Makefile.in: Regenerate.
433 * testsuite/plugin_test.c (claim_file_hook): Add new debug
434 message. Don't call add_symbols if no globals.
435 (all_symbols_read_hook): Don't provide replacement for empty
436 claimed file.
437
b0074644
ILT		 4382008-12-12 Ian Lance Taylor <iant@google.com>
439
68943102
ILT		 440 * target-reloc.h (Default_scan_relocatable_relocs): Only discard
441 r_type == 0 for a local symbol with r_sym == 0.
442 (scan_relocatable_relocs): Pass r_sym to
443 local_non_section_strategy.
444 * reloc.cc (Emit_relocs_strategy::local_non_section_strategy): Add
445 r_sym parameter.
446
b0074644
ILT		 447 * configure.ac: Update test for TLS descriptors: they are
448 supported as of glibc 2.9.
449 * configure: Rebuild.
450
c2508178
ILT		 4512008-12-11 Ian Lance Taylor <iant@google.com>
452
453 PR 7091
454 * target-reloc.h (Default_scan_relocatable_relocs): For each
455 function, map r_type == 0 to RELOC_DISCARD.
456
2756a258
CC		 4572008-12-10 Cary Coutant <ccoutant@google.com>
458
459 * layout.cc (Layout::add_comdat): Allow COMDAT group from a replacement
460 object to override a kept COMDAT group from a plugin object.
461
bb6f53d3
ILT		 4622008-12-09 Ian Lance Taylor <iant@google.com>
463
fbc558e1
ILT		 464 PR 7088
465 * yyscript.y (file_cmd): Handle INPUT.
466
bb6f53d3
ILT		 467 * testsuite/initpri1.c: Change all declarations to be full
468 prototypes by adding void, to avoid compiler warnings.
469
4674ecfc
CC		 4702008-12-05 Rafael Avila de Espindola <espindola@google.com>
471
472 * options.cc (General_options::parse_plugin_opt): New.
473 (General_options::add_plugin): The argument now is just the filename.
474 (General_options::add_plugin_option): New.
475 * options.h (plugin_opt): New.
476 (add_plugin): Change argument name.
477 (add_plugin_option): New.
478 * plugin.cc (Plugin::load): Don't parse the plugin option.
479 * plugin.h (Plugin::Plugin): Rename argument. Init filename_.
480 (Plugin::add_option): New.
481 (Plugin::args_): Change type.
482 (Plugin::filename_): New.
483 (Plugin_manager::add_plugin_option): New.
484 * testsuite/Makefile.am (plugin_test_1): Use new syntax.
485 * testsuite/Makefile.in: Regenerate.
486
fd06b4aa
CC		 4872008-12-05 Cary Coutant <ccoutant@google.com>
488
489 * layout.cc (Layout::include_section): Check for SHF_EXCLUDE.
490 Handle --strip-lto-sections option.
491 * options.h (strip_lto_sections): New option.
492
6c52134c
CC		 4932008-12-01 Cary Coutant <ccoutant@google.com>
494
495 * plugin.cc (ld_plugin_message): Change format parameter to const.
496 Fix mismatch between new[] and delete.
497
a45248e0
CC		 4982008-11-14 Cary Coutant <ccoutant@google.com>
499
500 * reloc.cc (Sized_relobj::do_read_relocs): Use constant invalid_address
501 instead of -1U.
502
c82fbeee
CS		 5032008-11-05 Craig Silverstein <csilvers@google.com>
504
505 * options.cc (General_options::parse_dynamic_list): New function.
506 * options.h (General_options): New flags dynamic_list,
507 dynamic_list_data, dynamic_list_cpp_new, and
508 dynamic_list_cpp_typeinfo. New variable dynamic_list_.
509 (General_options::in_dynamic_list): New function.
510 * script.cc (Lex::Mode): New enum DYNAMIC_LIST.
511 (Lex::can_start_name): Add support for DYNAMIC_LIST mode.
512 (Lex::can_continue_name): Likewise.
513 (yylex): Likewise.
514 (read_script_file): New parameter script_options.
515 (read_dynamic_list): New function.
516 (Script_options::define_dynamic_list): New function.
517 (dynamic_list_keyword_parsecodes): New variable.
518 (dynamic_list_keywords): New variable.
519 * script.h (Script_options::define_dynamic_list): New function
520 prototype.
521 (read_dynamic_list): New function prototype.
522 * symtab.cc (strprefix): New macro.
523 (Symbol::should_add_dynsym_entry): Support dynamic_list,
524 dynamic_list_data, dynamic_list_cpp_new, and
525 dynamic_list_cpp_typeinfo.
526 * yyscript.y (PARSING_DYNAMIC_LIST): New token.
527 (dynamic_list_expr): New rule.
528 (dynamic_list_nodes): Likewise.
529 (dynamic_list_node): Likewise.
530 * testsuite/Makefile.am (dynamic_list): New test.
531 * testsuite/Makefile.in: Regenerated.
532 * testsuite/dynamic_list.t: New file.
533 * testsuite/dynamic_list.sh: New file.
534
e0bb29a5
CS		 5352008-11-05 Craig Silverstein <csilvers@google.com>
536
537 * testsuite/tls_test_c.c: Add prototype for t11 and t11_last.
538 * testsuite/tls_test_c.c (t11): Add explicit "void" to prototype.
539 (t11_last): Likewise.
540 * testsuite/ver_test_6.c (main): Likewise.
541
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CC		 5422008-10-07 Cary Coutant <ccoutant@google.com>
543
544 * options.c (General_options::finalize): Add check for -static and
545 -shared.
546 * gold.cc (queue_middle_tasks): Assert that list of dynamic objects
547 is not empty.
548
92f03fcb
CC		 5492008-10-02 Cary Coutant <ccoutant@google.com>
550
551 * plugin.cc (make_sized_plugin_object): Fix conditional
552 compilation to work when not all targets are enabled.
553
fbd8a257
CC		 5542008-09-29 Cary Coutant <ccoutant@google.com>
555
556 * archive.cc (Archive::get_file_and_offset): Use filename instead
557 of name to get library path.
558 (Archive::include_member): Unlock external member of a thin archive.
559
560 * testsuite/Makefile.am (TEST_AR): New variable.
561 (thin_archive_test_1): New test.
562 (thin_archive_test_2): New test.
81636b3f
CC		 563 * testsuite/Makefile.in: Regenerate.
564 * testsuite/thin_archive_main.cc: New file.
565 * testsuite/thin_archive_test_1.cc: New file.
566 * testsuite/thin_archive_test_2.cc: New file.
567 * testsuite/thin_archive_test_3.cc: New file.
568 * testsuite/thin_archive_test_4.cc: New file.
fbd8a257 569
eff45813
CC		 5702008-09-29 Cary Coutant <ccoutant@google.com>
571
572 * mapfile.cc (Mapfile::print_input_section): Change -1U to -1ULL.
573 * object.cc (Sized_relobj::do_layout): Use constant invalid_address
574 instead of -1U.
575 (Sized_relobj::do_finalize_local_symbols): Likewise.
576 (Sized_relobj::map_to_kept_section): Likewise.
577 * object.h (Sized_relobj::invalid_address): New constant.
578 (Sized_relobj::do_output_section_offset): Check for invalid_address
579 and return -1ULL.
580 * output.cc (Output_reloc::local_section_offset): Use constant
581 invalid_address instead of -1U.
582 (Output_reloc::get_address): Likewise.
583 (Output_section::output_address): Change -1U to -1ULL.
584 * output.h (Output_reloc::invalid_address): New constant.
585 * reloc.cc (Sized_relobj::write_sections): Use constant
586 invalid_address instead of -1U.
587 (Sized_relobj::relocate_sections): Likewise.
588 * symtab.cc (Symbol_table::sized_finalize_symbol): Handle symbol
589 values for merge sections.
590 * target-reloc.h (relocate_for_relocatable): Use constant
591 invalid_address instead of -1U.
592
89fc3421
CC		 5932008-09-19 Cary Coutant <ccoutant@google.com>
594
595 Add plugin functionality for link-time optimization (LTO).
596 * configure.ac (plugins): Add --enable-plugins option.
597 * configure: Regenerate.
598 * config.in: Regenerate.
599 * Makefile.am (LIBDL): New variable.
600 (CCFILES): Add plugin.cc.
601 (HFILES): Add plugin.h.
602 (ldadd_var): Add LIBDL.
603 * Makefile.in: Regenerate.
604
605 * archive.cc: Include "plugin.h".
606 (Archive::setup): Don't preread archive symbols when using a plugin.
607 (Archive::get_file_and_offset): Add memsize parameter. Change callers.
608 (Archive::get_elf_object_for_member): Call plugin hooks for claiming
609 files.
610 (Archive::include_member): Add symbols from plugin objects.
611 * archive.h (Archive::get_file_and_offset): Add memsize parameter.
612 * descriptors.cc (Descriptors::open): Check for file descriptors
613 abandoned by plugins.
614 (Descriptors::claim_for_plugin): New function.
615 * descriptors.h (Descriptors::claim_for_plugin): New function.
616 (Open_descriptor::is_claimed): New field.
617 (claim_descriptor_for_plugin): New function.
618 * fileread.cc (File_read::claim_for_plugin): New function.
619 * fileread.h (File_read::claim_for_plugin): New function.
620 (File_read::descriptor): New function.
621 * gold.cc: Include "plugin.h".
622 (queue_initial_tasks): Add task to call plugin hooks for generating
623 new object files.
624 * main.cc: Include "plugin.h".
625 (main): Load plugin libraries.
626 * object.h (Pluginobj): Declare.
627 (Object::pluginobj): New function.
628 (Object::do_pluginobj): New function.
629 (Object::set_target): New function.
630 * options.cc: Include "plugin.h".
631 (General_options::parse_plugin): New function.
632 (General_options::General_options): Initialize plugins_ field.
633 (General_options::add_plugin): New function.
634 * options.h (Plugin_manager): Declare.
635 (General_options): Add --plugin option.
636 (General_options::has_plugins): New function.
637 (General_options::plugins): New function.
638 (General_options::add_plugin): New function.
639 (General_options::plugins_): New field.
640 * plugin.cc: New file.
641 * plugin.h: New file.
642 * readsyms.cc: Include "plugin.h".
643 (Read_symbols::do_read_symbols): Check for archive before checking
644 for ELF file. Call plugin hooks to claim files.
645 * resolve.cc (Symbol_table::resolve): Record when symbol is referenced
646 from a real object file; force override when processing replacement
647 files.
648 * symtab.cc (Symbol::init_fields): Initialize in_real_elf_ field.
649 (Symbol::init_base_object): Likewise.
650 (Symbol::init_base_output_data): Likewise.
651 (Symbol::init_base_output_segment): Likewise.
652 (Symbol::init_base_constant): Likewise.
653 (Symbol::init_base_undefined): Likewise.
654 (Symbol::output_section): Assert that object is not a plugin.
655 (Symbol_table::add_from_pluginobj): New function.
656 (Symbol_table::sized_finalize_symbol): Treat symbols from plugins as
657 undefined.
658 (Symbol_table::sized_write_globals): Likewise.
659 (Symbol_table::add_from_pluginobj): Instantiate template.
660 * symtab.h (Sized_pluginobj): Declare.
661 (Symbol::in_real_elf): New function.
662 (Symbol::set_in_real_elf): New function.
663 (Symbol::in_real_elf_): New field.
664 (Symbol_table::add_from_pluginobj): New function.
665
666 * testsuite/Makefile.am (AM_CFLAGS): New variable.
667 (LIBDL): New variable.
668 (LDADD): Add LIBDL.
669 (check_PROGRAMS): Add plugin_test_1 and plugin_test_2.
670 (check_SCRIPTS): Add plugin_test_1.sh and plugin_test_2.sh.
671 (check_DATA): Add plugin_test_1.err and plugin_test_2.err.
672 (MOSTLYCLEANFILES): Likewise.
673 * testsuite/Makefile.in: Regenerate.
674 * testsuite/plugin_test.c: New file.
675 * testsuite/plugin_test_1.sh: New file.
676 * testsuite/plugin_test_2.sh: New file.
677
de31bda5
ILT		 6782008-09-16 Ian Lance Taylor <iant@google.com>
679
9c2d0ef9
ILT		 680 * target-reloc.h (relocate_section): Check whether a symbol is
681 defined by the ABI before reporting an undefined symbol error.
682 * target.h (Target::is_defined_by_abi): Make parameter const.
683 (Target::do_is_defined_by_abi): Likewise.
684 * i386.cc (Target_i386::do_is_defined_by_abi): Likewise.
685 * powerpc.cc (Target_powerpc::do_is_defined_by_abi): Likewise.
686 * sparc.cc (Target_sparc::do_is_defined_by_abi): Likewise.
687 * x86_64.cc (Target_x86_64::do_is_defined_by_abi): Likewise.
688 * testsuite/Makefile.am (tls_test_shared.so): Add -Wl,-z,defs.
689 * testsuite/Makefile.in: Rebuild.
690
de31bda5
ILT		 691 * fileread.cc (make_view): Add casts to avoid warning.
692
9fa33bee
AO		 6932008-09-16 Alexandre Oliva <aoliva@redhat.com>
694
695 * i386.cc (Target_i386::define_tls_base_symbol): Update comments.
696 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
697
183fd0e3
AO		 6982008-09-16 Alexandre Oliva <aoliva@redhat.com>
699
700 * options.h (General_options::output_is_executable): New.
701 (General_options::output_is_pie): New.
702 * i386.cc (Target_i386::define_tls_base_symbol): Use SEGMENT_START
703 for shared libraries.
704 * x86_64.cc (Target_x86_64::define_tls_base_symbol): Likewise.
705
7be8330a
CD		 7062008-09-11 Chris Demetriou <cgd@google.com>
707
708 * options.h (origin): New -z option.
709 * layout.cc (Layout:finish_dynamic_section): If "-z origin"
710 is specified, set DF_ORIGIN in DT_FLAGS and set DF_1_ORIGIN
711 in DT_FLAGS_1.
712
a9caad02
CC		 7132008-09-05 Cary Coutant <ccoutant@google.com>
714
715 * fileread.cc (File_read::make_view): Add check for attempt to map
716 beyond end of file.
717
ae6dce4d
CC		 7182008-09-05 Cary Coutant <ccoutant@google.com>
719
720 * symtab.cc (Symbol_table::add_from_dynobj): Fix typos in
721 explicit instantiations.
722
d7ab2a47
KVH		 7232008-08-28 Kris Van Hees <kris.van.hees@oracle.com>
724
725 PR gold/6858
726 * options.cc (General_options::finalize): Allow undefined symbols
727 in shlibs if linking -shared.
728
729 PR gold/6859
730 * symtab.cc (Symbol::init_base_undefined): Mark explicitly undefined
731 symbols as not needing a dynsym entry.
732
1e52a9c1
CS		 7332008-08-20 Craig Silverstein <csilvers@google.com>
734
735 * fileread.cc (File_read::open): Do not lock the file unless it
736 was successfully opened.
737
d85c80a3
CC		 7382008-08-14 Cary Coutant <ccoutant@google.com>
739
740 * x86_64.cc (Target_x86_64::Relocate::relocat_tls):
741 Use addend for DTPOFF32, DTPOFF64, and TPOFF32 relocs.
742 * testsuite/tls_test.cc (struct int128): 128-bit struct
743 for testing TLS relocs with non-zero addend.
744 (v12): New TLS variable.
745 (t12): New test.
746 (t_last): Add check for v12.
747 * testsuite/tls_test.h (t12): New function.
748 * testsuite/tls_test_main.cc (thread_routine): Call new test.
749
2d924fd9
ILT		 7502008-08-13 Ian Lance Taylor <iant@google.com>
751
752 * layout.cc (Layout::attach_allocated_section_to_segment): Don't
753 set tls_segment_ or relro_segment_.
754 (Layout::make_output_segment): Set tls_segment_ and relro_segment_
755 when appropriate.
756 * output.h (Output_section::clear_is_relro): New function.
757 * output.cc (Output_segment::add_output_section): Handle SHF_TLS
758 sections specially even when output_data_ is empty.
759 (Output_segment::maximum_alignment): When first section is relro,
760 only force alignment for PT_LOAD segments.
761 * script.cc (script_data_segment_align): New function.
762 (script_data_segment_relro_end): New function.
763 * script-c.h (script_data_segment_align): Declare.
764 (script_data_segment_relro_end): Declare.
765 * script-sections.h (class Script_sections): Declare
766 data_segment_align and data_segment_relro_end. Add fields
767 segment_align_index_ and saw_relro_end_.
768 * script-sections.cc (class Sections_element): Add set_is_relro
769 virtual function. Add new bool* parameter to place_orphan_here.
770 Add get_output_section virtual function.
771 (class Output_section_definition): Add set_is_relro. Add new
772 bool* parameter to place_orphan_here. Add get_output_section.
773 Add is_relro_ field.
774 (Output_section_definition::Output_section_definition): Initialize
775 evaluated_address_, evaluated_load_address, evaluated_addralign_,
776 and is_relro_ fields.
777 (Output_section_definition::place_orphan_here): Add is_relro
778 parameter.
779 (Output_section_definition::set_section_addresses): Set relro for
780 output section.
781 (Output_section_definition::alternate_constraint): Likewise.
782 (class Orphan_output_section): Add new bool* parameter to
783 place_orphan_here. Add get_output_section.
784 (Orphan_output_section::place_orphan_here): Add is_relro
785 parameter.
786 (Script_sections::Script_sections): Initialize
787 data_segment_align_index_ and saw_relro_end_.
788 (Script_sections::data_segment_align): New function.
789 (Script_sections::data_segment_relro_end): New function.
790 (Script_sections::place_orphan): Set or clear is_relro.
791 (Script_sections::set_section_addresses): Force alignment of first
792 TLS section.
793 * yyscript.y (exp): Call script_data_segment_align and
794 script_data_segment_relro_end.
795 * testsuite/relro_script_test.t: New file.
796 * testsuite/relro_test.cc (using_script): Declare.
797 (t1, t2): Test using_script.
798 * testsuite/Makefile.am (check_PROGRAMS): Add relro_script_test.
799 (relro_script_test_SOURCES): Define.
800 (relro_script_test_DEPENDENCIES): Define.
801 (relro_script_test_LDFLAGS): Define.
802 (relro_script_test_LDADD): Define.
803 (relro_script_test.so): New target.
804 * testsuite/Makefile.in: Rebuild.
805
f827c9a9
CC		 8062008-08-06 Cary Coutant <ccoutant@google.com>
807
808 * archive.cc (Archive::total_archives, Archive::total_members)
809 (Archive::total_members_loaded): New variables.
810 (Archive::setup): Add parameter. Add option to preread
811 archive symbols.
812 (Archive::read_armap): Add counter.
813 (Archive::get_file_and_offset): New function.
814 (Archive::get_elf_object_for_member): New function.
815 (Archive::read_all_symbols): New function.
816 (Archive::read_symbols): New function.
817 (Archive::add_symbols): Add counters.
818 (Archive::include_all_members): Use armap to find members if it's
819 already built.
820 (Archive::include_member): Skip reading symbols if already read.
821 Factored code into Archive::get_file_and_offset and
822 Archive::get_elf_object_for_member. Changed call to
823 Mapfile::report_include_archive_member.
824 (Archive::print_stats): New function.
825 * archive.h: Declare Object and Read_symbols_data classes.
826 (Archive::Archive): Add initializers for new members.
827 (Archive::setup): Add parameter.
828 (Archive::print_stats): New function.
829 (Archive::total_archives, Archive::total_members)
830 (Archive::total_members_loaded): New variables.
831 (Archive::get_file_and_offset): New function.
832 (Archive::get_elf_object_for_member): New function.
833 (Archive::read_all_symbols): New function.
834 (Archive::read_symbols): New function.
835 (Archive::Archive_member): New class.
836 (Archive::members_): New member.
837 (Archive::num_members_): New member.
838 * main.cc: Include archive.h.
839 (main): Call Archive::print_stats.
840 * mapfile.cc (Mapfile::report_include_archive_member): Delete
841 archive parameter; member_name is now the fully-decorated name.
842 * mapfile.h (Mapfile::report_include_archive_member): Likewise.
843 * options.h: (General_options): Add --preread-archive-symbols option.
844 * readsyms.cc (Read_symbols::do_read_symbols): Change call to
845 Archive::setup.
846
de4c45bd
ILT		 8472008-08-04 Ian Lance Taylor <iant@google.com>
848
849 * symtab.h (Symbol::use_plt_offset): New function.
850 * i386.cc (Relocate::relocate): Call Symbol::use_plt_offset.
851 * powerpc.cc (Relocate::relocate): Likewise.
852 * sparc.cc (Relocate::relocate): Likewise.
853 * x86_64.cc (Relocate::relocate): Likewise.
854 * testsuite/weak_plt.sh: New test.
855 * testsuite/weak_plt_main.cc: New test.
856 * testsuite/weak_plt_shared.cc: New test.
857 * testsuite/Makefile.am (check_SCRIPTS): Add weak_plt.sh.
858 (check_PROGRAMS): Add weak_plt.
859 (check_DATA): Add weak_plt_shared.so.
860 (weak_plt_main_pic.o, weak_plt): New targets.
861 (weak_plt_shared_pic.o, weak_plt_shared.so): New targets.
862 * testsuite/Makefile.in: Rebuild.
863
864 * testsuite/Makefile.am (weak_alias_test_1.so): Depend upon
865 gcctestdir/ld.
866 (weak_alias_test_2.so, weak_alias_test_4.so): Likewise.
867 * testsuite/Makefile.in: Rebuild.
868
323ee3f4
AM		 8692008-08-04 Alan Modra <amodra@bigpond.net.au>
870
871 * Makefile.am (POTFILES.in): Set LC_ALL=C.
872 * Makefile.in: Regenerate.
873 * po/POTFILES.in: Regenerate.
874
7c07ecec
ILT		 8752008-07-29 Ian Lance Taylor <iant@google.com>
876
877 * script.cc (Script_options::finalize_symbols): Finalize SECTIONS
878 symbols before other symbols.
879 * testsuite/script_test_2.cc (test_addr): Declare.
880 (test_addr_alias): Declare.
881 (main): Check that test_addr and test_addr_alias have the right
cd536b21 882 values.
7c07ecec
ILT		 883 * testsuite/script_test_2.t: Define test_addr_alias and
884 test_addr.
885
5778530e
ILT		 8862008-07-24 Ian Lance Taylor <iant@google.com>
887
2a00e4fb
ILT		 888 PR 5990
889 * descriptors.cc: New file.
890 * descriptors.h: New file.
891 * gold-threads.h (class Hold_optional_lock): New class.
892 * fileread.cc: Include "descriptors.h".
893 (File_read::~File_read): Release descriptor rather than closing
894 it.
895 (File_read::open) [file]: Call open_descriptor rather than open.
896 Set is_descriptor_opened_.
897 (File_read::open) [memory]: Assert that descriptor is not open.
898 (File_read::reopen_descriptor): New function.
899 (File_read::release): Release descriptor.
900 (File_read::do_read): Make non-const. Reopen descriptor.
901 (File_read::read): Make non-const.
902 (File_read::make_view): Reopen descriptor.
903 (File_read::do_readv): Likewise.
904 * fileread.h (class File_read): Add is_descriptor_opened_ field.
905 Update declarations.
906 * layout.cc: Include "descriptors.h".
907 (Layout::create_build_id): Use open_descriptor rather than open.
908 * output.cc: Include "descriptors.h".
909 (Output_file::open): Use open_descriptor rather than open.
910 * archive.cc (Archive::const_iterator): Change Archive to be
911 non-const.
912 (Archive::begin, Archive::end): Make non-const.
913 (Archive::count_members): Likewise.
914 * archive.h (class Archive): Update declarations.
915 * object.h (Object::read): Make non-const.
916 * Makefile.am (CCFILES): Add descriptors.cc.
917 (HFILES): Add descriptors.h.
918 * Makefile.in: Rebuild.
919
801647d1
ILT		 920 PR 6716
921 * gold.h: Always include <clocale>. Add Solaris workarounds
922 following code in binutils/sysdep.h.
923
5edd166e
ILT		 924 PR 6048
925 * ehframe.cc (Eh_frame::add_ehframe_input_section): Check whether
926 this->eh_frame_hdr_ is NULL before using it.
927
c89ad728
ILT		 928 * dynobj.cc (Versions::Versions): Update comment.
929
aa86f06b
ILT		 930 * dynobj.cc (Versions::Versions): If there is an soname, use it as
931 the base version name.
932
5778530e
ILT		 933 * stringpool.cc (Stringpool_template::add_with_length): Set key to
934 array size plus one.
935 (Stringpool_template::set_string_offsets): Subtract one from key
936 before using it as an array index.
937 (Stringpool_template::get_offset_with_length): Likewise.
938 (Stringpool_template::write_to_buffer): Likewise.
939 * stringpool.h (Stringpool_template::get_offset_from_key):
940 Likewise.
941
057ead22
ILT		 9422008-07-23 Ian Lance Taylor <iant@google.com>
943
7f649c59
ILT		 944 PR 6658
945 * object.h (Merged_symbol_value::value): Do our best to handle a
946 negative addend.
947
057ead22
ILT		 948 PR 6647
949 * script.cc (Version_script_info::get_versions): Don't add empty
950 version tag to return value.
951 (Version_script_info::get_symbol_version_helper): Change return
952 type to bool. Add pversion parameter. Change all callers.
953 (script_register_vers_node): Don't require a non-NULL tag.
954 * script.h (class Version_script_info): Update declarations.
955 (Version_script_info::get_symbol_version): Change return type to
956 bool. Add version parameter. Change all callers.
957 * symtab.cc (Sized_symbol::add_from_relobj): Rework version
958 handling. Handle an empty version from a version script.
959 (Symbol_table::define_special_symbol): Likewise.
960 * testsuite/ver_test_10.script: New file.
961 * testsuite/ver_test_10.sh: New file.
962 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_10.sh.
963 (check_DATA): Add ver_test_10.syms.
964 (ver_test_10.syms, ver_test_10.so): New target.
965 * testsuite/Makefile.in: Rebuild.
966
58e54ac2
CD		 9672008-07-23 Simon Baldwin <simonb@google.com>
968
969 * symtab.cc (Symbol_table::sized_write_symbol): Only set st_size
970 to zero for undefined symbols from dynamic libraries.
971
95d14cd3
ILT		 9722008-07-23 Ian Lance Taylor <iant@google.com>
973
974 * symtab.cc (Symbol_table::resolve): Remove version parameter.
975 Change all callers.
976 * symtab.h (class Symbol_table): Update declaration.
977 * testsuite/ver_test_9.cc: New file.
978 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_9.
979 (ver_test_9_SOURCES, ver_test_9_DEPENDENCIES): Define.
980 (ver_test_9_LDFLAGS, ver_test_9_LDADD): Define.
981 (ver_test_9.so, ver_test_9.o): New targets.
982 * testsuite/Makefile.in: Rebuild.
983
92de84a6
ILT		 9842008-07-22 Ian Lance Taylor <iant@google.com>
985
34810851
ILT		 986 * options.h (class General_options): Define --check-sections.
987 * layout.cc (Layout::set_segment_offsets): Handle
988 --check-sections.
989
af6156ef
ILT		 990 * options.h (class General_options): Define -n/--nmagic and
991 -N/--omagic.
992 * options.cc (General_options::finalize): For -n/--nmagic or
993 -N/--omagic, set -static.
994 * layout.cc (Layout::attach_allocated_section_to_segment): If
995 -N/--omagic, don't put read-only and read-write sections in
996 different segments.
997 (Layout::find_first_load_seg): If -N/--omagic, don't insist on
998 finding a read-only segment.
999 (Layout::set_segment_offsets): If -N/--omagic or -n/--nmagic,
1000 don't set the minimum segment alignment to the common page size,
1001 and don't set the file offset to the address modulo the page size.
1002 * script-sections.cc (Script_sections::create_segments): If
1003 -n/--omagic, don't put read-only and read-write sections in
1004 different segments.
1005
92de84a6
ILT		 1006 * cref.cc: New file.
1007 * cref.h: New file.
1008 * options.h (class General_options): Add --print-symbol-counts.
1009 * main.cc (main): Issue defined symbol report if requested.
1010 * archive.cc (Archive::interpret_header): Make into a const member
1011 function.
1012 (Archive::add_symbols): Call Input_objects::archive_start and
1013 archive_stop.
1014 (Archive::const_iterator): Define new class.
1015 (Archive::begin, Archive::end): New functions.
1016 (Archive::include_all_members): Rewrite to use iterator.
1017 (Archive::count_members): New function.
1018 * archive.h (class Archive): Update declarations.
1019 (Archive::filename): New function.
1020 * object.cc: Include "cref.h".
1021 (Sized_relobj::Sized_relobj): Initialize defined_count_.
1022 (Sized_relobj::do_get_global_symbol_counts): New function.
1023 (Input_objects::add_object): Add object to cross-referencer.
1024 (Input_objects::archive_start): New function.
1025 (Input_objects::archive_stop): New function.
1026 (Input_objects::print_symbol_counts): New function.
1027 * object.h: Declare Cref and Archive.
1028 (Object::get_global_symbol_counts): New function.
1029 (Object::do_get_global_symbol_counts): New pure virtual function.
1030 (class Sized_relobj): Add defined_count_ field. Update
1031 declarations.
1032 (class Input_objects): Add cref_ field. Update constructor.
1033 Update declarations.
1034 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize symbols_ and
1035 defined_count_.
1036 (Sized_dynobj::do_add_symbols): Allocate symbols_ if printing
1037 symbol counts.
1038 (Sized_dynobj::do_get_global_symbol_counts): New function.
1039 * dynobj.h (class Sized_dynobj): Add fields symbols_ and
1040 defined_count_. Update declarations. Define Symbols typedef.
1041 * symtab.cc (Symbol_table::add_from_relobj): Add defined
1042 parameter. Change all callers.
1043 (Symbol_table::add_from_dynobj): Add sympointers and defined
1044 parameters. Change all callers.
1045 * symtab.h (class Symbol_table): Update declarations.
1046 * Makefile.am (CCFILES): Add cref.cc.
1047 (HFILES): Add cref.h.
1048 * Makefile.in: Rebuild.
1049
3f7c5e1d
CD		 10502008-07-22 Simon Baldwin <simonb@google.com>
1051
1052 * symtab.cc (Symbol_table::sized_write_symbol): Set symbol size
1053 to zero when writing undefined symbols.
1054
e0b64032
ILT		 10552008-07-22 Ian Lance Taylor <iant@google.com>
1056
1057 * output.cc (Output_section::add_input_section): Don't try to
1058 merge empty merge sections.
1059
096b02cf
CS		 10602008-07-21 Craig Silverstein <csilvers@google.com>
1061
1062 * symtab.cc (Symbol_table::warn_about_undefined_dynobj_symbol):
1063 Include symbol version in error message.
cd536b21 1064
1d1f116d
CD		 10652008-07-20 Chris Demetriou <cgd@google.com>
1066
cd536b21 1067 * configure.ac (gold_cv_c_random_seed): New configured variable.
1d1f116d
CD		 1068 (RANDOM_SEED_CFLAGS): New substituted variable.
1069 * Makefile.am (AM_CFLAGS, AM_CXXFLAGS): Add $(RANDOM_SEED_CFLAGS).
1070 * configure: Rebuild.
1071 * Makefile.in: Likewise.
1072 * testsuite/Makefile.in: Likewise.
1073
a18f591e
ILT		 10742008-07-18 Ian Lance Taylor <iant@google.com>
1075
1076 * symtab.cc (Symbol_table::add_from_object): Rewrite the case
1077 where we see NAME/NULL and NAME/VERSION as separate symbols.
1078 * testsuite/ver_test_main.cc (main): Call t4.
1079 (t4, t4_2a): Define.
1080 * testsuite/ver_test_2.cc (t4_2): Define.
1081 * testsuite/ver_test_2.script: Put t4_2a in VER2.
1082 * testsuite/ver_test_4.cc (t4_2a): Define.
1083 * testsuite/ver_test_4.script: Put t4_2a in VER2.
1084 * testsuite/ver_test.h (t4, t4_2, t4_2a): Declare.
1085
c6e3f6ed
ILT		 10862008-07-17 Ian Lance Taylor <iant@google.com>
1087
1088 * dynobj.cc (Versions::add_def): If we give an error about a
1089 missing version, go ahead and create the version anyhow.
1090
ef9beddf
ILT		 10912008-07-10 Ian Lance Taylor <iant@google.com>
1092
1093 Handle output sections with more than 0x7fffffff bytes.
1094 * object.h (class Relobj): Change map_to_output_ to
1095 output_sections_, and just keep a section pointer. Change all
1096 uses. Move comdat group support to Sized_relobj.
1097 (Relobj::is_section_specially_mapped): Remove.
1098 (Relobj::output_section): Remove poff parameter. Change all
1099 callers.
1100 (Relobj::output_section_offset): New function.
1101 (Relobj::set_section_offset): Rewrite.
1102 (Relobj::map_to_output): Remove.
1103 (Relobj::output_sections): New function.
1104 (Relobj::do_output_section_offset): New pure virtual function.
1105 (Relobj::do_set_section_offset): Likewise.
1106 (class Sized_relobj): Add section_offsets_ field. Add comdat
1107 group support from Relobj. Update declarations.
1108 (Sized_relobj::get_output_section_offset): New function.
1109 (Sized_relobj::do_output_section_offset): New function.
1110 (Sized_relobj::do_set_section_offset): New function.
1111 * object.cc (Relobj::output_section_address): Remove.
1112 (Sized_relobj::Sized_relobj): Initialize new fields.
1113 (Sized_relobj::include_section_group): Cast find_kept_object to
1114 Sized_relobj.
1115 (Sized_relobj::include_linkonce_section): Likewise.
1116 (Sized_relobj::do_layout): Use separate arrays for output section
1117 and output offset.
1118 (Sized_relobj::do_count_local_symbols): Change map_to_output to
1119 output_sections.
1120 (Sized_relobj::do_finalize_local_symbols): Change map_to_output to
1121 output_sections and section_offsets.
1122 (Sized_relobj::write_local_symbols): Likewise.
1123 (map_to_kept_section): Compute output address directly.
1124 * reloc.cc (Sized_relobj::do_read_relocs): Change map_to_output to
1125 output_sections and section_offsets.
1126 (Sized_relobj::write_sections): Likewise.
1127 (Sized_relobj::relocate_sections): Likewise.
1128 * symtab.cc (sized_finalize_symbol): Use output_section_offset.
1129 * output.h (class Output_reloc): Update declarations. Change
1130 u2_.relobj to Sized_relobj*.
1131 (class Output_data_reloc): Change add functions to use
1132 Sized_relobj*.
1133 * output.cc (Output_reloc::Output_reloc): Change relobj to
1134 Sized_relobj*.
1135 (Output_reloc::local_section_offset): Change return type to
1136 Elf_Addr. Use get_output_section_offset.
1137 (Output_reloc::get_address): Likewise.
1138 (Output_section::is_input_address_mapped): Don't call
1139 is_section_specially_mapped.
1140 (Output_section::output_offset): Likewise.
1141 (Output_section::output_address): Likewise.
1142 (Output_section::starting_output_address): Likewise.
1143 * copy-relocs.cc (Copy_relocs::copy_reloc): Change object
1144 parameter to Sized_relobj*.
1145 (Copy_relocs::need_copy_reloc): Likewise.
1146 (Copy_relocs::save): Likewise.
1147 * copy-relocs.h (class Copy_relocs): Update declarations.
1148 (class Copy_relocs::Copy_reloc_entry): Change constructor to use
1149 Sized_relobj*. Change relobj_ field to Sized_relobj*.
1150 * target-reloc.h (relocate_for_relocatable): Change
1151 offset_in_output_section type to Elf_Addr. Change code that uses
1152 it as well.
1153 * layout.cc (Layout::layout): Always set *off.
1154 * mapfile.cc (Mapfile::print_input_section): Use
1155 output_section_offset.
1156 * i386.cc (Target_i386::copy_reloc): Change object parameter to
1157 Sized_relobj*.
1158 * powerpc.cc (Target_powerpc::copy_reloc): Likewise.
1159 * sparc.cc (Target_sparc::copy_reloc): Likewise.
1160 * x86_64.cc (Target_x86_64::copy_reloc): Likewise.
1161
5cb66f97
ILT		 11622008-07-03 Ian Lance Taylor <iant@google.com>
1163
1164 * layout.cc (Layout::include_section): Do not discard unrecognized
1165 SHT_STRTAB sections.
1166
afe47622
CS		 11672008-06-30 Craig Silverstein <csilvers@cs.stanford.edu>
1168
1169 * script.cc (Lex::can_continue_name): Make '?' allowable in
1170 version-script names.
1171 * testsuite/version_script.map: Change glob pattern to use '?'
1172
5adf9721
ILT		 11732008-06-30 Manish Singh <yosh@gimp.org>
1174
1175 PR 6585
1176 * symtab.cc (Symbol_table::add_undefined_symbols_from_command_line):
1177 Correct typo.
1178
e6fde208
ILT		 11792008-06-30 Ian Lance Taylor <iant@google.com>
1180
1181 PR 6660
1182 PR 6682
1183 * powerpc.cc (Powerpc_relocate_functions::addr16_ha) [both
1184 versions]: Don't try to read the value in the contents, since we
1185 don't use it. Use the template endianness when writing.
1186
3f2e6a2d
CC		 11872008-06-25 Cary Coutant <ccoutant@google.com>
1188
1189 * fileread.cc (File_read::make_view): Assert on zero-length view.
1190 * object.cc (Sized_relobj::do_read_symbols): Don't try to read
1191 symbol table when there are no symbols to read.
1192
c43d3a48
CS		 11932008-06-23 Craig Silverstein <csilvers@google.com>
1194
1195 * version.cc (version_string): Bump to 1.7
1196
5f494ea0
CS		 11972008-06-18 Craig Silverstein <csilvers@google.com>
1198
1199 * powerpc.cc (Powerpc_relocate_functions::addr16_ha): cast
1200 constant 0xFFFF to type Valtype.
1201 (Powerpc_relocate_functions::rel16_ha): Likewise.
1202
c42e122e
ILT		 12032008-06-17 Ian Lance Taylor <iant@google.com>
1204
f34787f8
ILT		 1205 * output.h (Output_section::Input_section): Initialize p2align_ to
1206 zero for Output_section_data constructors.
1207 (Output_section::Input_section::addralign): If not an input
1208 section, return the alignment of the Output_section_data.
1209 * testsuite/copy_test.cc: New file.
1210 * testsuite/copy_test_1.cc: New file.
1211 * testsuite/copy_test_2.cc: New file.
1212 * testsuite/Makefile.am (check_PROGRAMS): Add copy_test.
1213 (copy_test_SOURCES, copy_test_DEPENDENCIES): New variables.
1214 (copy_test_LDFLAGS, copy_test_LDADD): New variables.
1215 (copy_test_1_pic.o, copy_test_1.so): New targets.
1216 (copy_test_2_pic.o, copy_test_2.so): New targets.
1217 * testsuite/Makefile.in: Rebuild.
1218
c42e122e
ILT		 1219 * script-sections.cc (Script_sections::place_orphan): Initialize
1220 local variable exact.
1221
ce3ac18a
DE		 12222008-06-13 David Edelsohn <edelsohn@gnu.org>
1223
1224 * powerpc.cc (Output_data_plt_powerpc::do_write): 8 + 4 = 0xC.
1225
42cacb20
DE		 12262008-06-12 David Edelsohn <edelsohn@gnu.org>
1227 David S. Miller <davem@davemloft.net>
1228
1229 * powerpc.cc: New file.
1230 * Makefile.am (TARGETSOURCES): Add powerpc.cc
1231 (ALL_TARGETOBJS): Add powerpc.$(OBJEXT)
1232 * configure.tgt: Add entries for powerpc-* and powerpc64-*.
1233 * Makefile.in: Rebuild.
1234
7b308235
ILT		 12352008-06-09 Ian Lance Taylor <iant@google.com>
1236
1237 * testsuite/relro_test.cc: Include <cstdio>, <cstdlib>, and
1238 <exception>.
1239 (throwing, orig_terminate): New static variables.
1240 (terminate_handler): New static function.
1241 (t2): Set terminate handler.
1242
f0b886e3
ILT		 12432008-06-05 Kris Van Hees <kris.van.hees@oracle.com>
1244
1245 PR 6584
cd536b21 1246 * binary.cc (Binary_to_elf::sized_convert): Fix .data
f0b886e3
ILT		 1247 alignment.
1248
3e90f135
CC		 12492008-05-30 Cary Coutant <ccoutant@google.com>
1250
1251 * archive.cc (Archive::include_all_members) Correct to step
1252 over symbol table and extended name table in thin archives.
1253
e09ad04a
ILT		 12542008-05-29 Kris Van Hees <kris.van.hees@oracle.com>
1255
1256 PR 6407
1257 * target-reloc.h (relocate_for_relocatable): Fix new_offset
1258 calculation.
1259
62b01cb5
ILT		 12602008-05-28 Caleb Howe <cshowe@google.com>
1261
1262 * reduced_debug_output.cc: New file.
1263 * reduced_debug_output.h: New file.
92de84a6 1264 * options.h (class General_options): Add --strip-debug-non-line.
62b01cb5
ILT		 1265 * options.cc (General_options::finalize): Add strip_debug_non_line
1266 to the strip heirarchy.
1267 * layout.h (class Layout): Add debug_abbrev_ and debug_info_
1268 fields.
1269 * layout.cc: Include "reduced_debug_output.h".
1270 (Layout::Layout): Initialize new fields.
1271 (line_only_debug_sections): New static array.
1272 (is_lines_only_debug_sections): New static inline function.
1273 (Layout::include_section): Handle --strip-debug-non-line.
1274 (Layout::make_output_section): If --strip-debug-non-line, build
1275 new output sections for .debug_abbrev and .debug_info.
1276 * dwarf_reader.cc (read_unsigned_LEB_128): Move to namespace
1277 gold. Warn about possible overflow.
1278 (read_signed_LEB_128): Likewise.
1279 * dwarf_reader.h: (read_unsigned_LEB_128): Declare.
1280 (read_signed_LEB_128): Declare.
1281 * Makefile.am (CCFILES): Add reduced_debug_output.cc.
1282 (HFILES): Add reduced_debug_output.h.
1283 * Makefile.in: Rebuild.
1284
7d9e3d98
ILT		 12852008-05-21 Ian Lance Taylor <iant@google.com>
1286
1287 * mapfile.cc: New file.
1288 * mapfile.h: New file.
1289 * options.h (class General_options): Add -M/--print-map and -Map.
1290 * options.cc (General_options::finalize): Make -M equivalent to
1291 -Map -.
1292 * main.cc: Include <cstdio> and "mapfile.h".
1293 (main): Open mapfile if requested.
1294 * gold.cc (class Middle_runner): Add mapfile_ field. Update
1295 constructor. Change caller.
1296 (queue_initial_tasks): Add mapfile parameter. Change caller.
1297 (queue_middle_tasks): Likewise.
1298 * gold.h (queue_initial_tasks, queue_middle_tasks): Update
1299 declarations.
1300 * archive.cc: Include "mapfile.h".
1301 (Archive::add_symbols): Add mapfile parameter. Change all
1302 callers. Pass mapfile, symbol, and reason to include_member.
1303 (Archive::include_all_members): Add mapfile parameter. Change all
1304 callers.
1305 (Archive::include_member): Add mapfile, sym, and why parameters.
1306 Change all callers. Report inclusion to map file.
1307 * archive.h: Include "fileread.h".
1308 (class Archive): Update declarations.
1309 (Archive::file): New const method.
1310 (class Add_archive_symbols): Add mapfile_ field. Update
1311 constructor. Change all callers.
1312 * readsyms.h (class Read_symbols): Likewise.
1313 (class Finish_group): Likewise.
1314 (class Read_script): Likewise.
1315 * common.cc: Include "mapfile.h".
1316 (Symbol_table::allocate_commons): Add mapfile parameter. Change
1317 all callers.
1318 (Symbol_table::do_allocate_commons): Likewise.
1319 (Symbol_table::do_allocate_commons_list): Likewise. Report common
1320 symbol allocation to mapfile.
1321 * common.h (class Allocate_commons_task): Add mapfile_ field.
1322 Update constructor. Change all callers.
1323 * symtab.h (class Symbol_table): Update declarations.
1324 * layout.cc: Include "mapfile.h".
1325 (Layout_task_runner::run): Print information to mapfile.
1326 (Layout::create_gold_note): Change Output_data_fixed_space to
1327 Output_data_zero_fill.
1328 (Layout::create_build_id): Likewise.
1329 (Layout::print_to_mapfile): New function.
1330 * layout.h (class Layout_task_runner): Add mapfile_ field. Update
1331 constructor. Change caller.
1332 (class Layout): Declare print_to_mapfile.
1333 * output.cc (Output_section::Input_section::print_to_mapfile): New
1334 function.
1335 (Output_section::add_input_section): If producing a map, always
1336 add to input_sections_ list.
1337 (Output_section::do_print_to_mapfile): New function.
1338 (Output_segment::print_sections_to_mapfile): New function.
1339 (Output_segment::print_section_list_to_mapfile): New function.
1340 * output.h: Include "mapfile.h".
1341 (Output_data::print_to_mapfile): New function.
1342 (Output_data::do_print_to_mapfile): New virtual function.
1343 (Output_segment_headers::do_print_to_mapfile): New function.
1344 (Output_file_header::do_print_to_mapfile): New function.
1345 (Output_data_const::do_print_to_mapfile): New function.
1346 (class Output_data_const_buffer): Add map_name_ field. Update
1347 constructor. Change all callers. Add do_print_to_mapfile
1348 function.
1349 (class Output_data_fixed_space): Likewise.
1350 (class Output_data_space): Likewise.
1351 (class Output_data_zero_fill): New class.
1352 (Output_data_strtab::do_print_to_mapfile): New function.
1353 (Output_data_reloc_base::do_print_to_mapfile): New function.
1354 (Output_relocatable_relocs::do_print_to_mapfile): New function.
1355 (Output_data_group::do_print_to_mapfile): New function.
1356 (Output_data_got::do_print_to_mapfile): New function.
1357 (Output_data_dynamic::do_print_to_mapfile): New function.
1358 (Output_symtab_xindex::do_print_to_mapfile): New function.
1359 (class Output_section): Declare do_print_to_mapflie. Declare
1360 print_to_mapfile in Input_section.
1361 (class Output_segment): Declare new functions.
1362 * object.h (Sized_relobj::symbol_count): New function.
1363 * script-sections.cc
1364 (Output_section_element_dot_assignment::set_section_addresses):
1365 Change Output_data_fixed_space to Output_data_zero_fill.
1366 (Output_data_expression::do_print_to_mapfile): New function.
1367 * script.cc (read_input_script): Add mapfile parameter. Change
1368 all callers.
1369 * script.h (read_input_script): Update declaration.
1370 * ehframe.h (Eh_frame_hdr::do_print_to_mapfile): New function.
1371 (Eh_frame::do_print_to_mapfile): New function.
1372 * merge.h (Output_merge_data::do_print_to_mapfile): New function.
1373 (Output_merge_string::do_print_to_mapfile): New function.
1374 * i386.cc (Output_data_plt_i386::do_print_to_mapfile): New
1375 function.
1376 * sparc.cc (Output_data_plt_sparc::do_print_to_mapfile): New
1377 function.
1378 * x86_64.cc (Output_data_plt_x86_64::do_print_to_mapfile): New
1379 function.
1380 * Makefile.am (CCFILES): Add mapfile.cc.
1381 (HFILES): Add mapfile.h.
1382 * Makefile.in: Rebuild.
1383
9f1d377b
ILT		 13842008-05-19 Ian Lance Taylor <iant@google.com>
1385
1386 * options.h (class General_options): Add -z relro.
1387 * layout.cc (Layout::Layout): Initialize relro_segment_.
1388 (Layout::add_output_section_data): Return the output section.
1389 (Layout::make_output_section): Rcognize relro sections and mark
1390 them appropriately.
1391 (Layout::attach_allocated_section_to_segment): Put relro sections
1392 in a PT_GNU_RELRO segment.
1393 (Layout::create_initial_dynamic_sections): Mark the .dynamic
1394 section as relro.
1395 (Layout::segment_precedes): Sort PT_GNU_RELRO segments after
1396 PT_TLS segments.
1397 (Layout::linkonce_mapping): Map d.rel.ro.local to
1398 .data.rel.ro.local.
1399 (Layout::output_section_name): Us .data.rel.ro.local for any
1400 section which begins with that.
1401 * layout.h (class Layout): Update add_output_section_data
1402 declaration. Add relro_segment_ field.
1403 * output.cc (Output_section::Output_section): Initialize is_relro_
1404 and is_relro_local_ fields.
1405 (Output_segment::add_output_section): Group relro sections.
1406 (Output_segment::is_first_section_relro): New function.
1407 (Output_segment::maximum_alignment): If there is a relro section,
1408 align the segment to the common page size.
1409 (Output_segment::set_section_addresses): Track whether we are
1410 looking at relro sections. If the last section is a relro
1411 section, align to the common page size.
1412 (Output_segment::set_section_list_addresses): Add in_relro
1413 parameter. Change all callers. Align to the page size when
1414 moving from relro to non-relro section.
1415 (Output_segment::set_offset): Align memsz of a PT_GNU_RELRO
1416 segment.
1417 * output.h (class Output_section): Add is_relro_ and
1418 is_relro_local_ fields.
1419 (Output_section::is_relro): New function.
1420 (Output_section::set_is_relro): New function.
1421 (Output_section::is_relro_local): New function.
1422 (Output_section::set_is_relro_local): New function.
1423 (class Output_segment): Update declarations.
1424 * i386.cc (Target_i386::got_section): Mark .got section as relro.
1425 * sparc.cc (Target_sparc::got_section): Likewise.
1426 * x86_64.cc (Target_x86_64::got_section): Likewise.
1427 * testsuite/relro_test_main.cc: New file.
1428 * testsuite/relro_test.cc: New file.
1429 * testsuite/Makefile.am (check_PROGRAMS): Add relro_test.
1430 (relro_test_SOURCES, relro_test_DEPENDENCIES): New variables.
1431 (relro_test_LDFLAGS, relro_test_LDADD): New variables.
1432 (relro_test.so, relro_test_pic.o): New targets.
1433 * testsuite/Makefile.in: Rebuild.
1434
a984ee1d
ILT		 14352008-05-16 Ian Lance Taylor <iant@google.com>
1436
01676dcd
ILT		 1437 * output.cc (Output_segment::add_output_section): Remove front
1438 parameter.
1439 * output.h (class Output_segment): Remove
1440 add_initial_output_section and overloaded add_output_section.
1441 Update declaration of remaining add_output_section.
1442 * layout.cc (Layout::create_interp): Call add_output_section
1443 rather than add_initial_output_section.
1444 (Layout::finish_dynamic_section): Likewise.
1445
497897f9
ILT		 1446 * i386.cc (Target_i386::Relocate::relocate_tls): Set dynamic type
1447 for TLS_GOTDESC and TLS_DESC_CALL. Only optimize TLS_LDO_32 if we
1448 know the dynamic type.
1449 * x86_64.cc (Target_x86_64::Relocate): Add saw_tls_block_reloc_
1450 field. Initialize it in constructor.
1451 (Target_x86_64::Relocate::relocate_tls): Record that we saw a TLS
1452 block reloc for TLSGD, GOTPC32_TLSDESC, TLSDESC_CALL, and TLSLD.
1453 Only optimize DTPOFF32 and DTPOFF64 if we have seen a TLS block
1454 reloc.
1455
a984ee1d
ILT		 1456 * output.cc (Output_reloc::get_address): Change return type to
1457 Elf_Addr.
1458 * output.h (class Output_reloc): Update get_address declaration.
1459 * x86_64.cc (Output_data_plt_x86_64::do_write): Use 64-bit types
1460 for section addresses.
1461
55ba0940
ILT		 14622008-05-09 Ian Lance Taylor <iant@google.com>
1463
1464 PR 6493
1465 * gold.cc (gold_nomem): Use return value of write.
1466
75517b77
ILT		 14672008-05-08 Ian Lance Taylor <iant@google.com>
1468
1469 * symtab.c (Symbol::init_base_output_data): Add version
1470 parameter. Change all callers.
1471 (Symbol::init_base_output_segment): Likewise.
1472 (Symbol::init_base_constant): Likewise.
1473 (Symbol::init_base_undefined): Likewise.
1474 (Sized_symbol::init_output_data): Likewise.
1475 (Sized_symbol::init_output_segment): Likewise.
1476 (Sized_symbol::init_constant): Likewise.
1477 (Sized_symbol::init_undefined): Likewise.
1478 (Symbol_table::do_define_in_output_data): If the new symbol has a
1479 version, mark it as the default.
1480 (Symbol_table::do_define_in_output_segment): Likewise.
1481 (Symbol_table::do_define_as_constant): Likewise.
1482 * symtab.h (class Symbol): Update declarations.
1483 (class Sized_symbol): Likewise.
1484 * resolve.cc (Symbol::override_version): New function.
c42e122e 1485 (Symbol::override_base): Call override_version.
75517b77
ILT		 1486 (Symbol::override_base_with_special): Likewise.
1487 * testsuite/ver_script_8.script: New file.
1488 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_8.
1489 (ver_test_8_SOURCES, ver_test_8_DEPENDENCIES): Define.
1490 (ver_test_8_LDFLAGS, ver_test_8_LDADD): Define.
1491 (ver_test_8_1.so, ver_test_8_2.so): New targets.
1492
f1f70eae
ILT		 14932008-05-06 Ian Lance Taylor <iant@google.com>
1494
f3e9c5c5
ILT		 1495 PR 6049
1496 * options.h (DEFINE_set): Add VARNAME_begin and VARNAME_end
1497 functions.
1498 (class General_options): Remove existing --undefined, and add
1499 --no-undefined instead. Add new --undefined as synonym for -u.
1500 * archive.cc (Archive::add_symbols): Check whether symbol was
1501 named with -u.
1502 * gold.cc (queue_middle_tasks): Add -u symbols to symbol table.
1503 * symtab.h (class Symbol): Rename CONSTANT to IS_CONSTANT; change
1504 all uses. Add IS_UNDEFINED. Update declarations to split
1505 different versions of init_base. Declare init_base_undefined.
1506 (Symbol::is_defined): Handle IS_UNDEFINED.
1507 (Symbol::is_undefined): Likewise.
1508 (Symbol::is_weak_undefined): Call is_undefined.
1509 (Symbol::is_absolute): Handle IS_CONSTANT.
1510 (class Sized_symbol): Update declarations to split different
1511 versions of init. Declare init_undefined.
1512 (class Symbol_table): Declare new functions.
1513 * symtab.cc (Symbol::init_base_object): Rename from init_base.
1514 Change all callers.
1515 (Symbol::init_base_output_data): Likewise.
1516 (Symbol::init_base_output_segment): Likewise.
1517 (Symbol::init_base_constant): Likewise.
1518 (Symbol::init_base_undefined): New function.
1519 (Sized_symbol::init_object): Rename from init. Change all
1520 callers.
1521 (Sized_symbol::init_output_data): Likewise.
1522 (Sized_symbol::init_output_segment): Likewise.
1523 (Sized_symbol::init_constant): Likewise.
1524 (Sized_symbol::init_undefined): New function.
1525 (Symbol_table::add_undefined_symbols_from_command_line): New
1526 function.
1527 (Symbol_table::do_add_undefined_symbols_from_command_line): New
1528 function.
1529 (Symbol::final_value_is_known): Handle IS_UNDEFINED.
1530 (Symbol::output_section): Likewise.
1531 (Symbol::set_output_section): Likewise.
1532 (Symbol_table::sized_finalize_symbol): Likewise.
1533 (Symbol_table::sized_write_globals): Likewise.
1534 * resolve.cc (Symbol_table::should_override): Likewise.
1535 (Symbol::override_base_with_special): Likewise.
1536
8bdcdf2c
ILT		 1537 * symtab.cc (Symbol_table::add_from_dynobj): If we see a protected
1538 symbol, change it to have default visibility.
1539 * testsuite/protected_1.cc: New file.
1540 * testsuite/protected_2.cc: New file.
1541 * testsuite/protected_3.cc: New file.
1542 * testsuite/protected_main_1.cc: New file.
1543 * testsuite/protected_main_2.cc: New file.
1544 * testsuite/protected_main_3.cc: New file.
1545 * testsuite/Makefile.am (check_PROGRAMS): Add protected_1.
1546 (protected_1_SOURCES, protected_1_DEPENDENCIES): Define.
1547 (protected_1_LDFLAGS, protected_1_LDADD): Define.
1548 (protected_1.so): New target.
1549 (protected_1_pic.o, protected_2_pic.o): New targets.
1550 (protected_3_pic.o): New target.
1551 (check_PROGRAMS): Add protected_2.
1552 (protected_2_SOURCES, protected_2_DEPENDENCIES): Define.
1553 (protected_2_LDFLAGS, protected_2_LDADD): Define.
1554 * testsuite/Makefile.in: Rebuild.
1555
2b706932
ILT		 1556 * options.h (DEFINE_var): Add set_user_set_##varname__.
1557 (DEFINE_bool_alias): New macro.
1558 (class General_options): Define -Bstatic using DEFINE_bool_alias
1559 rather than DEFINE_special. Add --undefined as an alias for -z
1560 defs.
1561 * options.cc (General_options::parse_Bstatic): Remove.
1562
d82a5bcc
ILT		 1563 * options.h (class General_options): Add --fatal-warnings.
1564 * main.cc (main): Implement --fatal-warnings.
1565 * errors.h (Errors::warning_count): New function.
1566
f1f70eae
ILT		 1567 * options.h (class General_options): Add -Bsymbolic-functions.
1568 * symtab.h (Symbol::is_preemptible): Check for
1569 -Bsymbolic-functions.
1570
8825ac63
ILT		 15712008-05-05 Ian Lance Taylor <iant@google.com>
1572
d98bc257
ILT		 1573 * options.h (DEFINE_bool): For DASH_Z, create the negative option
1574 as noVARNAME rather than no-VARNAME.
1575 (class General_options): Add option -z combreloc.
1576 * output.h (class Output_reloc) [SHT_REL]: Declare compare and
1577 get_address.
1578 (Output_reloc::sort_before) [SHT_REL]: New function.
1579 (Output_reloc::sort_before) [SHT_RELA]: New function.
1580 (class Output_data_reloc_base): Add sort_relocs_ field. Define
1581 Sort_relocs_comparison.
1582 (Output_data_reloc_base::Output_data_reloc_base): Add sort_relocs
1583 parameter. Change all callers.
1584 (Output_data_reloc::Output_data_reloc) [both versions]: Add
1585 sort_relocs parameter. Change all callers.
1586 * output.cc (Output_reloc::get_address): New function, broken out
1587 of write_rel.
1588 (Output_reloc::write_rel): Call it.
1589 (Output_reloc::compare): New function.
1590 (Output_data_reloc_base::do_write): Optionally sort relocs.
1591
60b2b4e7
ILT		 1592 * configure.ac: If targ_extra_obj is set, link it in.
1593 * configure.tgt: Initialize all variables.
1594 (x86_64*): Set targ_extra_obj and targ_extra_size.
1595 * configure: Rebuild.
1596
8825ac63
ILT		 1597 * object.cc (Sized_relobj::include_section_group): Adjust section
1598 indexes read from group data. Build vector to pass to
1599 layout_group.
1600 * layout.cc (Layout::layout_group): Add flags and shndxes
1601 parameters. Remove contents parameter. Change caller. Update
1602 explicit instantiations.
1603 * layout.h (class Layout): Update layout_group declaration.
1604 * output.cc (Output_data_group::Output_data_group): Add flags and
1605 input_shndxes parameters. Remove contents parameter. Change
1606 caller.
1607 (Output_data_group::do_write): Change input_sections_ to
1608 input_shndxes_.
1609 * output.h (class Output_data_group): Update constructor
1610 declaration. Rename input_sections_ to input_shndxes_.
1611 * testsuite/many_sections_test.cc: Add template.
1612
e94cf127
CC		 16132008-04-30 Cary Coutant <ccoutant@google.com>
1614
4418b2d5
CC		 1615 * target-reloc.h (relocate_section): Fix dead-pointer bug.
1616
e94cf127
CC		 1617 * layout.cc (Layout::include_section): Refactored check for debug
1618 info section.
1619 (Layout::add_comdat): Add new parameters. Change type
1620 of signature parameter. Add object and shndx to signatures table.
1621 (Layout::find_kept_object): New function.
1622 * layout.h: Include <cstring>.
1623 (Layout::is_debug_info_section): New function.
1624 (Layout::add_comdat): Add new parameters.
1625 (Layout::find_kept_object): New function.
1626 (Layout::Kept_section): New struct.
1627 (Layout::Signatures): Change type of map range.
1628 * object.cc (Relobj::output_section_address): New function.
1629 (Sized_relobj::include_section_group): Add new parameters. Change
1630 calls to Layout::add_comdat. Change to build table of kept comdat
1631 groups and table mapping discarded sections to kept sections.
1632 (Sized_relobj::include_linkonce_section): Likewise. Add new parameter.
1633 (Sized_relobj::do_layout): Change calls to include_section_group and
1634 include_linkonce_section.
1635 (Sized_relobj::do_finalize_local_symbols): Do not set local symbol
1636 value to zero when section is discarded.
1637 (Sized_relobj::map_to_kept_section): New function.
1638 * object.h (Relobj::output_section_address): New function.
1639 (Relobj::Comdat_group): New type.
1640 (Relobj::find_comdat_group): New function.
1641 (Relobj::Comdat_group_table): New type.
1642 (Relobj::Kept_comdat_section): New type.
1643 (Relobj::Kept_comdat_section_table): New type.
1644 (Relobj::add_comdat_group): New function.
1645 (Relobj::set_kept_comdat_section): New function.
1646 (Relobj::get_kept_comdat_section): New function.
1647 (Relobj::comdat_groups_): New field.
1648 (Relobj::kept_comdat_sections_): New field.
1649 (Symbol_value::input_value): Update comment.
1650 (Sized_relobj::map_to_kept_section) New function.
1651 (Sized_relobj::include_linkonce_section): Add new parameter.
1652 * target-reloc.h (Comdat_behavior): New type.
1653 (get_comdat_behavior): New function.
1654 (relocate_section): Add code to map a discarded section to the
1655 corresponding kept section when applying a relocation.
1656
e4e5049b
CS		 16572008-04-30 Craig Silverstein <csilvers@google.com>
1658
1659 * dwarf_reader.cc (next_generation_count): New static var.
1660 (Addr2line_cache_entry): New struct.
1661 (addr2line_cache): New static var.
1662 (Dwarf_line_info::one_addr2line): Added caching.
1663 (Dwarf_line_info::clear_addr2line_cache): New function.
1664 * dwarf_reader.h (Dwarf_line_info::one_addr2line): Add
1665 cache-size parameter.
1666 (Dwarf_line_info::one_addr2line_cache): New function.
1667 * symtab.cc (Symbol_table::detect_odr_violations): Pass
1668 new cache-size argument to one_addr2line(), and clear cache.
1669
d09e9154
CC		 16702008-04-28 Cary Coutant <ccoutant@google.com>
1671
1672 * i386.cc (Relocate::relocate): Fix typos for R_386_PC16 and
1673 R_386_PC8 relocations.
1674
7ef73768
ILT		 16752008-04-23 Ian Lance Taylor <iant@google.com>
1676
55438702
ILT		 1677 * object.cc (Sized_relobj::include_section_group): Check for
1678 invalid section group.
1679
c165fb93
ILT		 1680 * object.cc (make_elf_object): Correct test for 64-bit ELF file
1681 header size.
1682
7ef73768
ILT		 1683 * readsyms.cc (Read_symbols::do_read_symbols): Use get_view rather
1684 than read for file header.
1685 * archive.cc (Archive::include_member): Likewise.
1686
6194aaab
L		 16872008-04-23 Paolo Bonzini <bonzini@gnu.org>
1688
1689 * aclocal.m4: Regenerate.
1690 * configure: Regenerate.
1691
d491d34e
ILT		 16922008-04-19 Ian Lance Taylor <iant@google.com>
1693
5ea2bac6
ILT		 1694 * version.cc (version_string): Bump to 1.6.
1695
7bc3e21a
ILT		 1696 * testsuite/Makefile.am (many_sections_r_test): New target.
1697 (many_sections_r_test_SOURCES): Remove.
1698 (many_sections_r_test_DEPENDENCIES): Remove.
1699 (many_sections_r_test_LDFLAGS): Remove.
1700 (many_sections_r_test_LDADD): Remove.
1701
7fcd3aa9
ILT		 1702 * object.cc (Sized_relobj::do_add_symbols): Always pass
1703 local_symbol_count_ to add_from_relobj.
1704
4c94d6ae
ILT		 1705 * testsuite/Makefile.am (many_sections_check.h): Only check one in
1706 every thousand variables.
1707 * testsuite/Makefile.in: Rebuild.
1708
d491d34e
ILT		 1709 * object.cc (Xindex::initialize_symtab_xindex): New function.
1710 (Xindex::read_symtab_xindex): New function.
1711 (Xindex::sym_xindex_to_shndx): New function.
1712 (Sized_relobj::find_symtab): Pick up SHT_SYMTAB_SHNDX section if
1713 available.
1714 (Sized_relobj::do_initialize_xindex): New function.
1715 (Sized_relobj::do_read_symbols): Adjust section links.
1716 (Sized_relobj::symbol_section_and_value): Add is_ordinary
1717 parameter. Change all callers.
1718 (Sized_relobj::include_section_group): Adjust section links and
1719 symbol section indexes.
1720 (Sized_relobj::do_layout): Adjust section links.
1721 (Sized_relobj::do_count_local_symbols): Adjust section links and
1722 symbol section indexes.
1723 (Sized_relobj::do_finalize_local_symbols): Distinguish between
1724 ordinary and special symbols.
1725 (Sized_relobj::write_local_symbols): Add symtab_xindex and
1726 dynsym_xindex parameters. Change all callers. Adjust section
1727 links. Use SHN_XINDEX when needed.
1728 (Sized_relobj::get_symbol_location_info): Adjust section links.
1729 Don't get fooled by special symbols.
1730 * object.h (class Xindex): Define.
1731 (class Object): Add xindex_ parameter. Declare virtual functoin
1732 do_initialize_xindex.
1733 (Object::adjust_sym_shndx): New function.
1734 (Object::set_xindex): New protected function.
1735 (class Symbol_value): Add is_ordinary_shndx_ field.
1736 (Symbol_value::Symbol_value): Initialize is_ordinary_shndx_.
1737 (Symbol_value::value): Assert ordinary section.
1738 (Symbol_value::initialize_input_to_output_map): Likewise.
1739 (Symbol_value::set_input_shndx): Add is_ordinary parameter.
1740 Change all callers.
1741 (Symbol_value::input_shndx): Add is_ordinary parameter. Change
1742 all callers.
1743 (class Sized_relobj): Update declarations.
1744 (Sized_relobj::local_symbol_input_shndx): Add is_ordinary
1745 parameter. Change all callers.
1746 (Sized_relobj::adjust_shndx): New function.
1747 * dynobj.cc (Sized_dynobj::Sized_dynobj): Initialize dynsym_shndx_
1748 field.
1749 (Sized_dynobj::find_dynsym_sections): Remove pdynsym_shndx
1750 parameter. Change all callers. Pick up SHT_DYNSYM_SHNDX section
1751 for SHT_DYNSYM section if available. Set dynsym_shndx_ field.
1752 (Sized_dynobj::read_dynsym_section): Adjust section links.
1753 (Sized_dynobj::read_dynamic): Likewise.
1754 (Sized_dynobj::do_read_symbols): Use dynsym_shndx_ field. Adjust
1755 section links.
1756 (Sized_dynobj::do_initialize_xindex): New function.
1757 * dynobj.h (class Sized_dynobj): Add dynsym_shndx_ field. Declare
1758 do_initialize_xindex.
1759 (Sized_dynobj::adjust_shndx): New function.
1760 * layout.cc (Layout::Layout): Initialize symtab_xindex_ and
1761 dynsym_xindex_ fields.
1762 (Layout::finalize): Add a call to set_section_indexes before
1763 creating the symtab sections.
1764 (Layout::set_section_indexes): Don't do anything if the section
1765 already has a section index.
1766 (Layout::create_symtab_sections): Add shnum parameter. Change
1767 caller. Create .symtab_shndx section if needed.
1768 (Layout::create_shdrs): Add shstrtab_section parameter. Change
1769 caller.
1770 (Layout::allocated_output_section_count): New function.
1771 (Layout::create_dynamic_symtab): Create .dynsym_shndx section if
1772 needed.
1773 * layout.h (class Layout): Add symtab_xindex_ and dynsym_xindex_
1774 fields. Update declarations.
1775 (Layout::symtab_xindex): New function.
1776 (Layout::dynsym_xindex): New function.
1777 (class Write_symbols_task): Add layout_ field.
1778 (Write_symbols_task::Write_symbols_task): Add layout parameter.
1779 Change caller.
1780 * output.cc (Output_section_headers::Output_section_headers): Add
1781 shstrtab_section parameter. Change all callers.
1782 (Output_section_headers::do_sized_write): Store overflow values
1783 for section count and section string table section index in
1784 section header zero.
1785 (Output_file_header::do_sized_write): Check for overflow of
1786 section count and section string table section index.
1787 (Output_symtab_xindex::do_write): New function.
1788 (Output_symtab_xindex::endian_do_write): New function.
1789 * output.h (class Output_section_headers): Add shstrtab_section_.
1790 Update declarations.
1791 (class Output_symtab_xindex): Define.
1792 (Output_section::has_out_shndx): New function.
1793 * symtab.cc (Symbol::init_fields): Initialize is_ordinary_shndx_
1794 field.
1795 (Symbol::init_base): Add st_shndx and is_ordinary parameters.
1796 Change all callers.
1797 (Sized_symbol::init): Likewise.
1798 (Symbol::output_section): Check for ordinary symbol.
1799 (Symbol_table::add_from_object): Remove orig_sym parameter. Add
1800 st_shndx, is_ordinary, and orig_st_shndx parameters. Change all
1801 callers.
1802 (Symbol_table::add_from_relobj): Add symndx_offset parameter.
1803 Change all callers. Simplify handling of symbols from sections
1804 not included in the link.
1805 (Symbol_table::add_from_dynobj): Handle ordinary symbol
1806 distinction.
1807 (Weak_alias_sorter::operator()): Assert that symbols are
1808 ordinary.
1809 (Symbol_table::sized_finalize_symbol): Handle ordinary symbol
1810 distinction.
1811 (Symbol_table::write_globals): Add symtab_xindex and dynsym_xindex
1812 parameters. Change all callers.
1813 (Symbol_table::sized_write_globals): Likewise. Handle ordinary
1814 symbol distinction. Use SHN_XINDEX when needed.
1815 (Symbol_table::write_section_symbol): Add symtab_xindex
1816 parameter. Change all callers.
1817 (Symbol_table::sized_write_section_symbol): Likewise. Use
1818 SHN_XINDEX when needed.
1819 * symtab.h (class Symbol): Add is_ordinary_shndx_ field. Update
1820 declarations.
1821 (Symbol::shndx): Add is_ordinary parameter. Change all callers.
1822 (Symbol::is_defined): Check is_ordinary.
1823 (Symbol::is_undefined, Symbol::is_weak_undefined): Likewise.
1824 (Symbol::is_absolute, Symbol::is_common): Likewise.
1825 (class Sized_symbol): Update declarations.
1826 (class Symbol_table): Update declarations.
1827 * resolve.cc (Symbol::override_base): Add st_shndx and is_ordinary
1828 parameters. Change all callers.
1829 (Sized_symbol::override): Likewise.
1830 (Symbol_table::override): Likewise.
1831 (symbol_to_bits): Add is_ordinary parameter. Change all callers.
1832 (Symbol_table::resolve): Remove orig_sym parameter. Add st_shndx,
1833 is_ordinary, and orig_st_shndx parameters. Change all callers.
1834 * copy-relocs.cc (Copy_relocs::emit_copy_reloc): Require symbol
1835 to be in an ordinary section.
1836 * dwarf_reader.cc (Sized_dwarf_line_info::symbol_section): Add
1837 object and is_ordinary parameters. Change all callers.
1838 (Sized_dwarf_line_info::read_relocs): Add object parameter.
1839 Change all callers. Don't add undefined or non-ordinary symbols
1840 to reloc_map_.
1841 (Sized_dwarf_line_info::read_line_mappings): Add object parameter.
1842 Change all callers.
1843 * dwarf_reader.h (class Sized_dwarf_line_info): Update
1844 declarations.
1845 * ehframe.cc (Eh_frame::read_fde): Check for ordinary symbol.
1846 * reloc.cc (Sized_relobj::do_read_relocs): Adjust section links.
1847 (Sized_relobj::relocate_sections): Likewise.
1848 * target-reloc.h (scan_relocs): Adjust section symbol index.
1849 (scan_relocatable_relocs): Likewise.
1850 * i386.cc (Scan::local): Check for ordinary symbols.
1851 * sparc.cc (Scan::local): Likewise.
1852 * x86_64.cc (Scan::local): Likewise.
1853 * testsuite/binary_unittest.cc (Sized_binary_test): Update calls
1854 to symbol_section_and_value.
1855 * testsuite/many_sections_test.cc: New file.
1856 * testsuite/Makefile.am (BUILT_SOURCES): Define.
1857 (check_PROGRAMS): Add many_sections_test.
1858 (many_sections_test_SOURCES): Define.
1859 (many_sections_test_DEPENDENCIES): Define.
1860 (many_sections_test_LDFLAGS): Define.
1861 (BUILT_SOURCES): Add many_sections_define.h.
1862 (many_sections_define.h): New target.
1863 (BUILT_SOURCES): Add many_sections_check.h.
1864 (many_sections_check.h): New target.
1865 (check_PROGRAMS): Add many_sections_r_test.
1866 (many_sections_r_test_SOURCES): Define.
1867 (many_sections_r_test_DEPENDENCIES): Define.
1868 (many_sections_r_test_LDFLAGS): Define.
1869 (many_sections_r_test_LDADD): Define.
1870 (many_sections_r_test.o): New target.
1871 * testsuite/Makefile.in: Rebuild.
1872
c5818ff1
CC		 18732008-04-17 Cary Coutant <ccoutant@google.com>
1874
1875 * errors.cc (Errors::info): New function.
1876 (gold_info): New function.
1877 * errors.h (Errors::info): New function.
1878 * gold.h (gold_info): New function.
1879 * object.cc (Input_objects::add_object): Print trace output.
1880 * options.cc (options::parse_set): New function.
1881 (General_options::parse_wrap): Deleted.
1882 (General_options::General_options): Deleted initializer.
1883 * options.h (options::String_set): New typedef.
1884 (options::parse_set): New function.
1885 (DEFINE_set): New macro.
1886 (General_options::wrap): Changed to use DEFINE_set. Changed
1887 callers of any_wrap_symbols and is_wrap_symbol.
1888 (General_options::trace, General_options::trace_symbol):
1889 New options.
1890 (General_options::any_wrap_symbols, General_options::is_wrap_symbol)
1891 (General_options::wrap_symbols_): Deleted.
1892 * symtab.cc (Symbol_table::add_from_object): Print trace output.
1893
b5be4a7c
DM		 18942008-04-17 David S. Miller <davem@davemloft.net>
1895
1896 * options.cc (General_options::parse_V): New function.
1897 * options.h: Add entries for -V and -Qy.
1898
155a0dd7
ILT		 18992008-04-17 Ian Lance Taylor <iant@google.com>
1900
1901 * common.cc (Symbol_table::allocate_commons): Remove options
1902 parameter. Change caller.
1903 (Symbol_table::do_allocate_commons): Remove options parameter.
1904 Change caller. Just call do_allocate_commons_list twice.
1905 (Symbol_table::do_allocate_commons_list): New function, broken out
1906 of do_allocate_commons.
1907 * common.h (class Allocate_commons_task): Remove options_ field.
1908 Update constructor.
1909 * symtab.cc (Symbol_table::Symbol_table): Initialize
1910 tls_commons_.
1911 (Symbol_table::add_from_object): Put TLS common symbols on
1912 tls_commons_ list.
1913 (Symbol_table::sized_finalize_symbol): Handle STT_TLS symbols
1914 which are IN_OUTPUT_DATA.
1915 * symtab.h (class Symbol_table): Add tls_commons_ field. Update
1916 allocate_commons and do_allocate_commons declarations. Declare
1917 do_allocate_commons_list.
1918 * gold.cc (queue_middle_tasks): Update creation of
1919 Allocate_commons_task to not pass options.
1920 * testsuite/Makefile.am (INCLUDES): Add -I.. .
1921 (TLS_TEST_C_FLAGS): New variable.
1922 (tls_test_c_pic.o): New target.
1923 (tls_test_shared.so): Link in tls_test_c_pic.o.
1924 (tls_test_c_pic_ie.o): New target.
1925 (tls_test_ie_shared.so): Link in tls_test_c_pic_ie.o.
1926 (tls_test_DEPENDENCIES, tls_test_LDADD): Add tls_test_c.o.
1927 (tls_test_c.o): New target.
1928 (tls_pic_test_DEPENDENCIES): Add tls_test_c_pic.o.
1929 (tls_pic_test_LDADD): Likewise.
1930 (tls_shared_gd_to_ie_test_DEPENDENCIES): Add tls_test_c_pic.o.
1931 (tls_shared_gd_to_ie_test_LDADD): Likewise.
1932 (tls_test_c_gnu2.o): New target.
1933 (tls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): Add
1934 tls_test_c_gnu2.o.
1935 (tls_shared_gnu2_gd_to_ie_test_LDADD): Likewise.
1936 (tls_test_gnu2_shared.so): Link in tls_test_c_gnu2.o.
1937 (tls_test_shared_nonpic.so): Link in tls_test_c.o.
1938 * testsuite/tls_test.cc: Include "config.h".
1939 (t_last): Call t11_last.
1940 * testsuite/tls_test.h (t11, t11_last): Declare.
1941 * testsuite/tls_test_c.c: New file.
1942 * testsuite/tls_test_main.cc (thread_routine): Call t11.
1943 * configure.ac: Check for OpenMP support.
1944 * configure, config.in, Makefile.in: Rebuild.
1945 * testsuite/Makefile.in: Rebuild.
1946
edfbb029
CC		 19472008-04-16 Cary Coutant <ccoutant@google.com>
1948
1949 * i386.cc (Target_i386::define_tls_base_symbol): New function.
1950 (Target_i386::tls_base_symbol_defined_): New field.
1951 (Target_i386::Scan::local): Define _TLS_MODULE_BASE_ symbol.
1952 (Target_i386::Scan::global): Likewise.
1953 * symtab.cc (sized_finalize_symbol): Add check for TLS symbol.
1954 * x86_64.cc (Target_x86_64::define_tls_base_symbol): New function.
1955 (Target_x86_64::tls_base_symbol_defined_): New field.
1956 (Target_x86_64::Scan::local): Define _TLS_MODULE_BASE_ symbol.
1957 (Target_x86_64::Scan::global): Likewise.
1958
f3c69fca
CC		 19592008-04-16 Cary Coutant <ccoutant@google.com>
1960
1961 * symtab.h (Symbol::is_strong_undefined): Removed unused function.
1962 (Symbol::needs_plt_entry): Allow weak undefined symbols.
1963 (Symbol::needs_dynamic_reloc): Allow weak undefined symbols when
1964 building shared libraries.
1965 * testsuite/Makefile.am (weak_undef_nonpic_test): New target.
1966 (weak_undef_file1_nonpic.o, weak_undef_file2_nonpic.o)
1967 (weak_undef_lib_nonpic.so, alt/weak_undef_lib_nonpic.so): New targets.
1968 * testsuite/Makefile.in: Rebuild.
1969 * testsuite/weak_undef.h: New file.
1970 * testsuite/weak_undef_file1.cc: Add extra test cases.
1971 * testsuite/weak_undef_file2.cc: Likewise.
1972 * testsuite/weak_undef_test.cc: Likewise.
1973
7c414435
DM		 19742008-04-16 David S. Miller <davem@davemloft.net>
1975
32b769e1
DM		 1976 * sparc.cc (Target_sparc::Scan): Change from struct to class.
1977 Add issued_non_pic_error_ field. Declare check_non_pic.
1978 (Target_sparc::Scan::check_non_pic): New function.
1979 (Target_sparc::Scan::local): Call check_non_pic as appropriate.
1980 (Target_sparc::Scan::global): Likewise.
1981
11936fb1
DM		 1982 * configure.ac (FN_PTRS_IN_SO_WITHOUT_PIC): Add sparc64.
1983 * configure: Rebuild.
1984
7c414435
DM		 1985 * options.h (DEFINE_enable): New macro.
1986 (new_dtags): New enable option.
1987 (initfirst, interpose, loadfltr, nodefaultlib,
1988 nodelete, nodlopen, nodump): New -z options.
1989 * layout.cc (Layout:finish_dynamic_section): If new
1990 dtags enabled, emit DT_RUNPATH. Also, emit a
1991 DT_FLAGS_1 containing any specified -z flags.
1992
85c7bf8b
ILT		 19932008-04-16 Ian Lance Taylor <iant@google.com>
1994
12c0daef
ILT		 1995 * copy-relocs.cc: New file.
1996 * copy-relocs.h: New file.
1997 * reloc.cc: Remove Copy_relocs code.
1998 * reloc.h: Likewise.
1999 * reloc-types.h (struct Reloc_types) [both versions]: Add
2000 get_reloc_addend_noerror.
2001 * output.h (class Output_data_reloc<elfcpp::SHT_REL>): Add
2002 variants of add_global which take an addend which must be zero.
2003 * i386.cc: Include "copy-relocs.h".
2004 (class Target_i386): Change type of copy_relocs_ to variable,
2005 update initializer.
2006 (Target_i386::copy_reloc): Rewrite to pass to Copy_relocs class.
2007 Change all callers.
2008 (Target_i386::do_finalize_sections): Change handling of
2009 copy_relocs_.
2010 * sparc.cc: Include "copy-relocs.h".
2011 (class Target_sparc): Change type of copy_relocs_ to variable,
2012 update initializer.
2013 (Target_sparc::copy_reloc): Rewrite to pass to Copy_relocs class.
2014 Change all callers.
2015 (Target_sparc::do_finalize_sections): Change handling of
2016 copy_relocs_.
2017 * x86_64.cc: Include "copy-relocs.h".
2018 (class Target_x86_64): Change type of copy_relocs_ to variable,
2019 update initializer.
2020 (Target_x86_64::copy_reloc): Rewrite to pass to Copy_relocs
2021 class. Change all callers.
2022 (Target_x86_64::do_finalize_sections): Change handling of
2023 copy_relocs_.
2024 * Makefile.am (CCFILES): Add copy-relocs.cc.
2025 (HFILES): Add copy-relocs.h.
2026
4f4995b6
ILT		 2027 * Makefile.in, aclocal.m4, testsuite/Makefile.in: Rebuild.
2028
85c7bf8b
ILT		 2029 * testsuite/script_test_4.sh: Permit leading zeroes.
2030
4f2a9edd
ILT		 20312008-04-15 Ian Lance Taylor <iant@google.com>
2032
e6188289
ILT		 2033 * script-sections.cc (Script_sections::create_segments): Use
2034 header_size_adjustment even when there is enough room for the
2035 headers.
2036 * testsuite/script_test_4.sh: New file.
2037 * testsuite/script_test_4.t: New file.
2038 * testsuite/Makefile.am (check_SCRIPTS): Add script_test_4.sh.
2039 (check_DATA): Add script_test_4.stdout.
2040 (MOSTLYCLEANFILES): Likewise.
2041 (script_test_4): New target.
2042 (script_test_4.stdout): New target.
2043 * testsuite/Makefile.in: Rebuild.
2044
4f2a9edd
ILT		 2045 * sparc.cc: Add definitions for Output_data_plt_sparc class
2046 constants.
2047
f5314dd5
DM		 20482008-04-14 David S. Miller <davem@davemloft.net>
2049
2050 * sparc.cc: New file.
2051 * Makefile.am (TARGETSOURCES): Add sparc.cc
2052 (ALL_TARGETOBJS): Add sparc.$(OBJEXT)
2053 * configure.tgt: Document targ_extra_size and
2054 targ_extra_big_endian. Add entries for sparc-* and
2055 sparc64-*.
2056 * configure.ac: Handle targ_extra_size and
2057 targ_extra_big_endian.
2058 * Makefile.in: Rebuild.
2059 * configure: Likewise.
2060 * po/POTFILES.in: Likewise.
2061 * po/gold.pot: Likewise.
2062
154e0e9a
ILT		 20632008-04-14 Ian Lance Taylor <iant@google.com>
2064
2065 * layout.cc (Layout::Layout): Initialize sections_are_attached_.
2066 (Layout::get_output_section): Ignore SHF_WRITE and SHF_EXECINSTR
2067 in the name/type/flags to section mapping. Don't call
2068 allocate_output_section.
2069 (Layout::choose_output_section): Change parameter from adjust_name
2070 to is_input_section. Don't permit input sections after sections
2071 are attached to segments. Don't call allocate_output_section.
2072 (Layout::layout_eh_frame): Call update_flags_for_input_section,
2073 not write_enable_output_section.
2074 (Layout::make_output_section): Don't push to
2075 unattached_section_list_ nor call attach_to_segment. Call
2076 attach_section_to_segment if sections are attached.
2077 (Layout::attach_sections_to_segments): New function.
2078 (Layout::attach_section_to_segment): New function.
2079 (Layout::attach_allocated_section_to_segment): Rename from
2080 attach_to_segment. Remove flags parameter.
2081 (Layout::allocate_output_section): Remove function.
2082 (Layout::write_enable_output_section): Remove function.
2083 * layout.h (class Layout): Update for above changes. Add new
2084 field sections_are_attached_.
2085 * output.h (Output_section::update_flags_for_input_section): New
2086 function.
2087 * output.cc (Output_section::add_input_section): Call
2088 update_flags_for_input_section.
2089 * gold.cc (queue_middle_tasks): Call attach_sections_to_segments.
2090
009a67a2
CC		 20912008-04-11 Cary Coutant <ccoutant@google.com>
2092
2093 * i386.cc (Target_i386::got_mod_index_entry): Restore code previously
2094 thought unnecessary.
2095 * x86_64.cc (Target_x86_64::got_mod_index_entry): Likewise.
2096
759b1a24
ILT		 20972008-04-11 Ian Lance Taylor <iant@google.com>
2098
2099 * output.h (class Output_section_data): Remove inline definition
2100 of set_addralign.
2101 * output.cc (Output_section_data::set_addralign): New function.
2102
c2b45e22
CC		 21032008-04-11 Cary Coutant <ccoutant@google.com>
2104
2105 Add support for TLS descriptors for i386 and x86_64.
2106 * i386.cc (Target_i386::Relocate::tls_desc_gd_to_ie): New function.
2107 (Target_i386::Relocate::tls_desc_gd_to_le): New function.
2108 (Target_i386::Got_type): Add GOT_TYPE_TLS_NOFFSET and
2109 GOT_TYPE_TLS_DESC.
2110 (Target_i386::got_mod_index_entry): Remove unnecessary code.
2111 (Target_i386::Scan::local): Implement R_386_TLS_GOTDESC and
2112 R_386_TLS_DESC_CALL relocations. Fix problem with initial-exec
2113 relocations.
2114 (Target_i386::Scan::global): Fix problem with GD-to-IE relaxation.
2115 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations;
2116 Fix problem with initial-exec relocations.
2117 (Target_i386::Relocate::relocate_tls): Likewise.
2118 (Target_i386::Relocate::tls_gd_to_ie): Fix problem with GD-to-IE
2119 relaxation.
2120 * output.cc (Output_data_dynamic::Dynamic_entry::write): Add
2121 support for section-plus-offset dynamic table entries.
2122 * output.h (Output_data_dynamic::add_section_plus_offset): New function.
2123 (Output_data_dynamic::Dynamic_entry): Add support for
2124 section-plus-offset dynamic table entries.
2125 (Output_data_dynamic::Classification): Likewise.
2126 (Output_data_dynamic::classification_): Renamed offset_.
2127 * x86_64.cc (Target_x86_64::Relocate::tls_desc_gd_to_ie): New function.
2128 (Target_x86_64::Relocate::tls_desc_gd_to_le): New function.
2129 (Target_x86_64::make_plt_section): New function.
2130 (Target_x86_64::reserve_tlsdesc_entries): New function.
2131 (Output_data_plt_x86_64::Output_data_plt_x86_64): Add new parameter.
2132 (Output_data_plt_x86_64::reserve_tlsdesc_entry): New function.
2133 (Output_data_plt_x86_64::has_tlsdesc_entry): New function.
2134 (Output_data_plt_x86_64::get_tlsdesc_got_offset): New function.
2135 (Output_data_plt_x86_64::get_tlsdesc_plt_offset): New function.
2136 (Output_data_plt_x86_64::tlsdesc_plt_entry): New field.
2137 (Output_data_plt_x86_64::set_final_data_size): Move out of line;
2138 add extra PLT entry for TLS descriptors.
2139 (Output_data_plt_x86_64::got_): New field.
2140 (Output_data_plt_x86_64::tlsdesc_got_offset_): New field.
2141 (Output_data_plt_x86_64::Output_data_plt_x86_64): Initialize new
2142 fields.
2143 (Output_data_plt_x86_64::do_write): Write extra PLT entry for TLS
2144 descriptors.
2145 (Target_x86_64::make_plt_entry): Factor out make_plt_section.
2146 (Target_x86_64::got_mod_index_entry): Remove unnecessary code.
2147 (Target_x86_64::Scan::local): Implement R_386_TLS_GOTDESC and
2148 R_386_TLS_DESC_CALL relocations.
2149 (Target_x86_64::Scan::global): Likewise.
2150 (Target_x86_64::do_finalize_sections): Add dynamic table entries
2151 for TLS descriptors.
2152 (Relocate::relocate_tls): Fix problem with GD-to-IE relaxation.
2153 Implement R_386_TLS_GOTDESC and R_386_TLS_DESC_CALL relocations.
2154 (Target_x86_64::Relocate::tls_gd_to_ie): Fix problem with
2155 GD-to-IE relaxation.
2156 * configure.ac: Export new conditional variables TLS_GNU2_DIALECT
2157 and TLS_DESCRIPTORS.
2158 * Makefile.in: Rebuild.
2159 * configure: Rebuild.
2160 * testsuite/Makefile.am (tls_shared_gd_to_ie_test): New target.
2161 (tls_test_shared2.so): New target.
2162 (tls_shared_gd_to_ie_test_SOURCES): New variable.
2163 (tls_shared_gd_to_ie_test_DEPENDENCIES): New variable.
2164 (tls_shared_gd_to_ie_test_LDFLAGS): New variable.
2165 (tls_shared_gd_to_ie_test_LDADD): New variable.
2166 (tls_shared_gnu2_gd_to_ie_test): New target.
2167 (tls_test_gnu2.o, tls_test_file2_gnu2.o, tls_test_gnu2_shared2.so):
2168 New targets.
2169 (tls_shared_gnu2_gd_to_ie_test_SOURCES): New variable.
2170 (ls_shared_gnu2_gd_to_ie_test_DEPENDENCIES): New variable.
2171 (tls_shared_gnu2_gd_to_ie_test_LDFLAGS): New variable.
2172 (tls_shared_gnu2_gd_to_ie_test_LDADD): New variable.
2173 (tls_shared_gnu2_test): New target.
2174 (tls_test_gnu2_shared.so): New target.
2175 (tls_shared_gnu2_test_SOURCES): New variable.
2176 (tls_shared_gnu2_test_DEPENDENCIES): New variable.
2177 (tls_shared_gnu2_test_LDFLAGS): New variable.
2178 (tls_shared_gnu2_test_LDADD): New variable.
2179 * testsuite/Makefile.in: Rebuild.
2180 * testsuite/Makefile.
2181
83bfb6b7
ILT		 21822008-04-11 Ian Lance Taylor <iant@google.com>
2183
2184 * testsuite/Makefile.am (justsyms_2r.o): Add dependency on
2185 justsyms.t.
2186 * testsuite/Makefile.in: Rebuild.
2187
2188 * testsuite/script_test_2a.cc (script_test_string_a): Make 8 bytes
2189 long.
2190 * testsuite/script_test_2.cc (main): Adjust test.
2191
706e1f5e
ILT		 21922008-04-11 David S. Miller <davem@davemloft.net>
2193 Ian Lance Taylor <iant@google.com>
2194
2195 * options.h (General_options): Add entries for '-Y' and
2196 '-relax'.
2197 * options.cc (General_options:finalize): If -Y was used, add those
2198 entries to the library path instead of the default "/lib" and
2199 "/usr/lib".
2200
7c98e6bb
DM		 22012008-04-11 David S. Miller <davem@davemloft.net>
2202
2203 * testsuite/justsyms.t: Start at 0x100.
2204 * testsuite/justsyms_1.cc: Adjust justsyms_string assertion.
83bfb6b7
ILT		 2205 * testsuite/script_test_2b.cc (script_test_string_b): Make 8 bytes
2206 long.
2207 * testsuite/script_test_2.cc: Adjust string and section length
2208 checks.
7c98e6bb 2209
99a37bfd
ILT		 22102008-04-09 Ian Lance Taylor <iant@google.com>
2211
2cefc357
ILT		 2212 PR gold/5996
2213 * script-sections.cc (Sections_element::allocate_to_segment): Add
2214 orphan parameter.
2215 (Output_section_definition::allocate_to_segment): Likewise.
2216 (Orphan_output_section::allocate_to_segment): Likewise.
2217 (Script_sections::attach_sections_using_phdrs_clause): Don't
2218 propagate non-PT_LOAD segments to orphan sections.
2219 * testsuite/Makefile.am (script_test_3.stdout): Generate using
2220 readelf rather than objdump.
2221 * testsuite/script_test_3.sh: Adjust accordingly. Test that
2222 .interp section and PT_INTERP segment are the same size.
2223 * testsuite/Makefile.in: Rebuild.
2224
99a37bfd
ILT		 2225 * symtab.cc (Symbol_table::add_from_dynobj): Only look for weak
2226 aliases for symbols defined in the same object.
2227 * testsuite/Makefile.am (check_PROGRAMS): Add weak_alias_test.
2228 (weak_alias_test_SOURCES): New variable.
2229 (weak_alias_test_DEPENDENCIES): New variable.
2230 (weak_alias_test_LDFLAGS): New variable.
2231 (weak_alias_test_LDADD): New variable.
2232 (weak_alias_test_1_pic.o, weak_alias_test_1.so): New targets.
2233 (weak_alias_test_2_pic.o, weak_alias_test_2.so): New targets.
2234 (weak_alias_test_3.o): New target.
2235 (weak_alias_test_4_pic.o, weak_alias_test_4.so): New targets.
2236 * testsuite/weak_alias_test_main.cc: New file.
2237 * testsuite/weak_alias_test_1.cc: New file.
2238 * testsuite/weak_alias_test_2.cc: New file.
2239 * testsuite/weak_alias_test_3.cc: New file.
2240
780e49c5
ILT		 22412008-04-08 Ian Lance Taylor <iant@google.com>
2242
cdb0b8f5
ILT		 2243 * options.h (class General_options): Add --noinhibit-exec option.
2244 * main.cc (main): Check --noinhibit-exec.
2245
0864d551
ILT		 2246 * options.h (class General_options): Define --wrap as a special
2247 option. Add wrap_symbols_ field.
2248 (General_options::any_wrap_symbols): New function.
2249 (General_options::is_wrap_symbol): New function.
2250 * options.cc (General_options::parse_wrap): New function.
2251 (General_options::General_options): Initialize wrap_symbols_.
2252 * symtab.cc (Symbol_table::wrap_symbol): New function.
2253 (Symbol_table::add_from_object): Handle --wrap.
2254 * symtab.h (class Symbol_table): Declare wrap_symbol.
2255 * target.h (Target::wrap_char): New function.
2256 (Target::Target_info): Add wrap_char field.
2257 * i386.cc (Target_i386::i386_info): Initialize wrap_char.
2258 * x86_64.cc (Target_x86_64::x86_64_info): Likewise.
2259 * testsuite/testfile.cc (Target_test::test_target_info):
2260 Likewise.
2261
789aa6de
ILT		 2262 * errors.cc (Errors::undefined_symbol): Mention symbol version if
2263 there is one.
2264
2c38906f
ILT		 2265 * layout.h (class Layout): Add added_eh_frame_data_ field.
2266 * layout.cc (Layout::Layout): Initialize new field.
2267 (Layout::layout_eh_frame): Don't add eh_frame_data_ to .eh_frame
2268 output section until we find a section we merged successfully.
2269 * object.cc (Sized_relobj::check_eh_frame_flags): Don't require
2270 that the size be non-zero.
2271
780e49c5
ILT		 2272 * merge.cc (Object_merge_map::get_output_offset): Remove inline
2273 qualifier.
2274
7fcd0256
ILT		 22752008-04-08 Craig Silverstein <csilvers@google.com>
2276
2277 * configure.ac: Export new conditional variable HAVE_ZLIB.
2278 * testsuite/Makefile.am (flagstest_o_specialfile): Condition
2279 on HAVE_ZLIB.
2280 (flagstest_o_specialfile_and_compress_debug_sections): Likewise.
2281 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2282
6835af53
ILT		 22832008-04-07 Ian Lance Taylor <iant@google.com>
2284
e24f324c
ILT		 2285 * version.cc (version_string): Set to "1.5".
2286
a036edd8
ILT		 2287 * x86_64.cc (Target_x86_64::Scan): Change from struct to class.
2288 Add issued_non_pic_error_ field. Declare check_non_pic.
2289 (Target_x86_64::Scan::check_non_pic): New function.
2290 (Target_x86_64::Scan::local): Call check_non_pic as appropriate.
2291 (Target_x86_64::Scan::global): Likewise.
2292
624f8810
ILT		 2293 * output.cc (Output_reloc<SHT_REL>::local_section_offset): Add
2294 addend parameter. Change caller. Handle merge sections.
2295 (Output_reloc<SHT_REL>::symbol_value): Change parameter type from
2296 Address to Addend. Don't add in the result of
2297 local_section_offset, pass down the addend and use the returned
2298 value.
2299 * output.h (class Output_reloc<SHT_REL>): Add Addend typedef.
2300 Update declarations of local_section_offset and symbol_value.
2301 * testsuite/two_file_test_1.cc (t18): New function.
2302 * testsuite/two_file_test_2.cc (f18): New function.
2303 * testsuite/two_file_test_main.cc (main): Call t18.
2304 * testsuite/two_file_test.h (t18, f18): Declare.
2305
6835af53
ILT		 2306 * configure.ac: Don't test for objdump, c++filt, or readelf.
2307 * testsuite/Makefile.am: Remove READELF and OBJDUMP_AND_CPPFILT
2308 conditionals.
2309 (TEST_READELF): New variable.
2310 (TEST_OBJDUMP, TEST_CXXFILT, TEST_STRIP): New variables.
2311 (check_PROGRAMS): Add two_file_strip_test.
2312 (two_file_strip_test): New target.
2313 (check_PROGRAMS): Add two_file_same_shared_strip_test.
2314 (two_file_same_shared_strip_test_SOURCES): New variable.
2315 (two_file_same_shared_strip_test_DEPENDENCIES): New variable.
2316 (two_file_same_shared_strip_test_LDFLAGS): New variable.
2317 (two_file_same_shared_strip_test_LDADD): New variable.
2318 (two_file_shared_strip.so): New target.
2319 (ver_test_2.syms, ver_test_4.syms): Use TEST_READELF.
2320 (ver_test_5.syms, ver_test_7.syms): Likewise.
2321 (ver_matching_test.stdout): Use TEST_OBJDUMP and TEST_CXXFILT.
2322 (strip_test_3.stdout): Use TEST_OBJDUMP.
2323 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2324
86925eef
CC		 23252008-04-04 Cary Coutant <ccoutant@google.com>
2326
2327 * symtab.h (Symbol::is_weak_undefined): New function.
2328 (Symbol::is_strong_undefined): New function.
2329 (Symbol::is_absolute): New function.
2330 (Symbol::needs_plt_entry): Exclude weak undefined symbols.
2331 (Symbol::needs_dynamic_reloc): Exclude weak undefined and
2332 absolute symbols.
2333 * testsuite/Makefile.am (check_PROGRAMS): Add weak_undef_test.
2334 (weak_undef_test): New target.
2335 * testsuite/Makefile.in: Rebuild.
2336 * testsuite/weak_undef_file1.cc: New file.
2337 * testsuite/weak_undef_file2.cc: New file.
2338 * testsuite/weak_undef_test.cc: New file.
2339
126f3ece
ILT		 23402008-04-03 Craig Silverstein <csilvers@google.com>
2341
2342 * compressed_output.h (class Output_compressed_section): Use
2343 unsigned buffer.
2344 * compressed_output.cc (zlib_compress): Use unsigned buffers,
2345 add zlib header.
2346 (zlib_compressed_suffix): Removed.
2347 (Output_compressed_section::set_final_data_size): Use unsigned
2348 buffers.
2349 * testsuite/Makefile.am (flagstest_compress_debug_sections):
2350 Fix linker invocation.
2351 (flagstest_o_specialfile_and_compress_debug_sections):
2352 Likewise.
2353 * testsuite/Makefile.in: Regenerated.
2354
deae2a14
DM		 23552008-04-02 David S. Miller <davem@davemloft.net>
2356
2357 * dwarf_reader.cc (Sized_dwarf_line_info::read_header_prolog,
2358 Sized_dwarf_line_info::process_one_opcode): Use Swap_unaligned.
2359
70752818
ILT		 23602008-04-02 Craig Silverstein <csilvers@google.com>
2361
2362 * TODO: New file.
2363
39d0cb0e
ILT		 23642008-04-02 Ian Lance Taylor <iant@google.com>
2365
2366 * fileread.cc (File_read::find_view): Add byteshift and vshifted
2367 parameters. Update for new key type to views_. Change all
2368 callers.
2369 (File_read::read): Adjust for byteshift in returned view.
2370 (File_read::add_view): New function, broken out of
2371 find_and_make_view.
2372 (File_read::make_view): New function, broken out of
2373 find_and_make_view.
2374 (File_read::find_or_make_view): Add offset and aligned
2375 parameters. Rewrite accordingly. Change all callers.
2376 (File_read::get_view): Add offset and aligned parameters. Adjust
2377 for byteshift in return value.
2378 (File_read::get_lasting_view): Likewise.
2379 * fileread.h (class File_read): Update declarations.
2380 (class File_read::View): Add byteshift_ field. Add byteshift to
2381 constructor. Add byteshift method.
2382 * archive.h (Archive::clear_uncached_views): New function.
2383 (Archive::get_view): Add aligned parameter. Change all callers.
2384 * object.h (Object::get_view): Add aligned parameter. Change all
2385 callers.
2386 (Object::get_lasting_view): Likewise.
2387
2388 * fileread.cc (File_read::release): Don't call clear_views if
2389 there are multiple objects.
2390 * fileread.h (File_read::clear_uncached_views): New function.
2391 * archive.cc (Add_archive_symbols::run): Call clear_uncached_views
2392 on the archive.
2393
a1207466
CC		 23942008-03-31 Cary Coutant <ccoutant@google.com>
2395
2396 Add thin archive support.
2397 * archive.cc (Archive::armagt): New const.
2398 (Archive::setup): Remove task parameter and calls to unlock.
2399 (Archive::unlock_nested_archives): New function.
2400 (Archive::read_header): Add nested_off parameter. Change
2401 all callers.
2402 (Archive::interpret_header): Likewise.
2403 (Archive::include_all_members): Change to handle thin
2404 archives.
2405 (Archive::include_member): Likewise.
2406 * archive.h (Archive::Archive): Add new parameters and
2407 initializers.
2408 (Archive::armagt): New const.
2409 (Archive::setup): Remove task parameter.
2410 (Archive::unlock_nested_archives): New function.
2411 (Archive::read_header): Add nested_off parameter.
2412 (Archive::interpret_header): Likewise.
2413 (Archive::Nested_archive_table): New typedef.
2414 (Archive::is_thin_archive_): New field.
2415 (Archive::nested_archives_): New field.
2416 (Archive::options_): New field.
2417 (Archive::dirpath_): New field.
2418 (Archive::task_): New field.
2419 * readsyms.cc (Read_symbols::do_read_symbols): Add check
2420 for thin archives. Pass additional parameters to
2421 Archive::Archive. Unlock the archive file after calling
2422 Archive::setup.
cd536b21 2423
479f6503
ILT		 24242008-03-29 Ian Lance Taylor <iant@google.com>
2425
686c8caf
ILT		 2426 * symtab.cc (Symbol_table::do_define_as_constant): Don't force a
2427 version symbol to be local.
2428 * testsuite/ver_test_4.sh: New file.
2429 * testsuite/Makefile.am (check_SCRIPTS): Add ver_test_4.sh.
2430 (check_DATA): Add ver_test_4.syms.
2431 (ver_test_4.syms): New target.
2432 * testsuite/Makefile.in: Rebuild.
2433
ab794b6b
ILT		 2434 * output.cc
2435 (Output_section::Input_section_sort_entry::has_priority): New
2436 function.
2437 (Output_section::Input_section_sort_entry::match_file_name): New
2438 function.
2439 (Output_section::Input_section_sort_entry::match_section_name):
2440 Remove.
2441 (Output_section::Input_section_sort_entry::match_section_name_prefix):
2442 Remove.
2443 (Output_section::Input_section_sort_entry::match_section_file):
2444 Remove.
2445 (Output_section::Input_section_sort_compare::operator()): Rewrite
2446 using new Input_section_sort_entry functions. Sort crtbegin and
2447 crtend first. Sort sections with no priority before sections with
2448 a priority.
2449 * testsuite/initpri1.c (d3): Check j != 4.
2450 (cd5): New constructor/destructor function.
2451 (main): Check j != 2.
2452
479f6503
ILT		 2453 * symtab.cc (Symbol_table::add_from_object): If we don't use the
2454 new symbol when resolving, don't call set_is_default.
2455 * testsuite/ver_test_7.cc: New file.
2456 * testsuite/ver_test_7.sh: New file.
2457 * testsuite/Makefile.am (ver_test_7.so): New target.
2458 (ver_test_7.o): New target.
2459 (check_SCRIPTS): Add ver_test_7.sh.
2460 (check_DATA): Add ver_test_7.syms.
2461 (ver_test_7.syms): New target.
2462
2fd32231
ILT		 24632008-03-28 Ian Lance Taylor <iant@google.com>
2464
2465 * layout.cc (Layout::layout): If we see an input section with a
2466 name that needs sorting, set the must_sort flag for the output
2467 section.
2468 (Layout::make_output_section): If the name of the output section
2469 indicates that it might require sorting, set the may_sort flag.
2470 * output.h (Output_section::may_sort_attached_input_sections): New
2471 function.
2472 (Output_section::set_may_sort_attached_input_sections): New
2473 function.
2474 (Output_section::must_sort_attached_input_sections): New
2475 function.
2476 (Output_section::set_must_sort_attached_input_sections): New
2477 function.
2478 (class Output_section): Declare Input_section_sort_entry. Define
2479 Input_section_sort_compare. Declare
2480 sort_attached_input_sections. Add new fields:
2481 may_sort_attached_input_sections_,
2482 must_sort_attached_input_sections_,
2483 attached_input_sections_are_sorted_.
2484 * output.cc (Output_section::Output_section): Initialize new
2485 fields.
2486 (Output_section::add_input_section): Add an entry to
2487 input_sections_ if may_sort or must_sort are true.
2488 (Output_section::set_final_data_size): Call
2489 sort_attached_input_sections if necessary.
2490 (Output_section::Input_section_sort_entry): Define new class.
2491 (Output_section::Input_section_sort_compare::operator()): New
2492 function.
2493 (Output_section::sort_attached_input_sections): New function.
2494 * configure.ac: Check whether the compiler supports constructor
2495 priorities. Define a CONSTRUCTOR_PRIORITY automake conditional.
2496 * testsuite/initpri1.c: New file.
2497 * testsuite/Makefile.am (check_PROGRAMS): Add initpri1 if
2498 CONSTRUCTOR_PRIORITY.
2499 (initpri1_SOURCES, initpri1_DEPENDENCIES): New variables.
2500 (initpri1_LDFLAGS): New variable.
2501 * configure, Makefile.in, testsuite/Makefile.in: Rebuild.
2502
18e6b24e
ILT		 25032008-03-27 Ian Lance Taylor <iant@google.com>
2504
49bdd526
ILT		 2505 * common.cc (Sort_commons::operator): Correct sorting algorithm.
2506 * testsuite/common_test_1.c: New file.
2507 * testsuite/Makefile.am (check_PROGRAMS): Add common_test_1.
2508 (common_test_1_SOURCES): New variable.
2509 (common_test_1_DEPENDENCIES): New variable.
2510 (common_test_1_LDFLAGS): New variable.
2511
18e6b24e
ILT		 2512 * symtab.cc (Symbol_table::add_from_object): Handle saw_undefined_
2513 and commons_ correctly when NAME/VERSION does not override
2514 NAME/NULL.
2515 * testsuite/ver_test_6.c: New file.
2516 * testsuite/Makefile.am (check_PROGRAMS): Add ver_test_6
2517 (ver_test_6_SOURCES, ver_test_6_DEPENDENCIES): New variables.
2518 (ver_test_6_LDFLAGS, ver_test_6_LDADD): New variables.
2519
04bf7072
ILT		 25202008-03-26 Ian Lance Taylor <iant@google.com>
2521
5871526f
ILT		 2522 * symtab.cc (Symbol_table::add_from_relobj): Don't set the version
2523 of an undefined symbol from a version script.
2524 * testsuite/Makefile.am (ver_test_5.so): New target.
2525 (ver_test_5.o): New target.
2526 (check_SCRIPTS): Add ver_test_5.sh.
2527 (check_DATA): Add ver_test_5.syms.
2528 (ver_test_5.syms): New target.
2529 * testsuite/ver_test_5.cc: New file.
2530 * testsuite/ver_test_5.script: New file.
2531 * testsuite/ver_test_5.sh: New file.
2532 * Makefile.in, testsuite/Makefile.in: Rebuild.
2533
04bf7072
ILT		 2534 PR gold/5986
2535 Fix problems building gold with gcc 4.3.0.
2536 * gold.h (TEMPLATE_ATTRIBUTE_PRINTF_4): Define.
2537 (gold_error_at_location, gold_warning_at_location): Use it.
2538 * configure.ac: Check whether we can compile and use a template
2539 function with a printf attribute.
2540 * x86_64.cc (Target_x86_64::do_code_fill): Swap out a 32-bit value
2541 when jumping over bytes.
2542 * object.cc: Instantiate Object::read_section_data.
2543 * debug.h: Include <cstring>
2544 * dwarf_reader.cc: Include <algorithm>
2545 * main.cc: Include <cstring>.
2546 * options.cc: Include <cstring>.
2547 * output.cc: Include <cstring>.
2548 * script.cc: Include <cstring>.
2549 * script.h: Include <string>.
2550 * symtab.cc: Include <cstring> and <algorithm>.
2551 * target-select.cc: Include <cstring>.
2552 * version.cc: Include <string>.
2553 * testsuite/testmain.cc: Include <cstdlib>.
2554 * configure, config.in: Rebuild.
2555
874c5b28
ILT		 25562008-03-25 Ian Lance Taylor <iant@google.com>
2557
819d6c3a
ILT		 2558 * options.cc: Include "../bfd/bfdver.h".
2559 (options::help): Print bug reporting address.
2560
f4b2c6f5
ILT		 2561 * version.cc (print_version): Adjust output for current value of
2562 BFD_VERSION_STRING.
2563
2564 * NEWS: New file.
2565
e96caa79
ILT		 2566 * options.cc (options::help): Print list of supported targets.
2567 * target-select.h: Include <vector>.
2568 (class Target_selector): Make machine_, size_, and is_big_endian_
2569 fields const. Add bfd_name_ and instantiated_target_ fields.
2570 (Target_selector::Target_selector): Add bfd_name parameter.
2571 (Target_selector::recognize): Make non-virtual, call
2572 do_recognize.
2573 (Target_selector::recognize_by_name): Make non-virtual, call
2574 do_recognize_by_name.
2575 (Target_selector::supported_names): New function.
2576 (Target_selector::bfd_name): New function.
2577 (Target_selector::do_instantiate_target): New pure virtual
2578 function.
2579 (Target_selector::do_recognize): New virtual function.
2580 (Target_selector::do_recognize_by_name): New virtual function.
2581 (Target_selector::instantiate_target): New private function.
2582 (supported_target_names): Declare.
2583 * target-select.cc (Target_selector::Target_selector): Update for
2584 new parameter and fields.
2585 (select_target_by_name): Check that the name matches before
2586 calling recognize_by_name.
2587 (supported_target_names): New function.
2588 * i386.cc (class Target_selector_i386): Update Target_selector
2589 constructor call. Remove recognize and recognize_by_name. Add
2590 do_instantiate_target.
2591 * x86_64.cc (class Target_selector_x86_64): Likewise.
2592 * testsuite/testfile.cc (class Target_selector_test): Update for
2593 changes to Target_selector.
2594
874c5b28
ILT		 2595 * README: Rewrite, with some notes on unsupported features.
2596
0a65a3a7
CC		 25972008-03-24 Cary Coutant <ccoutant@google.com>
2598
2599 * i386.cc (Target_i386::Got_type): New enum declaration.
2600 (Target_i386::Scan::local): Updated callers of Output_data_got
2601 member functions.
2602 (Target_i386::Scan::global): Likewise.
2603 (Target_i386::Relocate::relocate): Likewise.
2604 (Target_i386::Relocate::relocate_tls): Likewise.
2605 * object.h (Got_offset_list): New class.
2606 (Sized_relobj::local_has_got_offset): Added got_type parameter.
2607 (Sized_relobj::local_got_offset): Likewise.
2608 (Sized_relobj::set_local_got_offset): Likewise.
2609 (Sized_relobj::local_has_tls_got_offset): Removed.
2610 (Sized_relobj::local_tls_got_offset): Removed.
2611 (Sized_relobj::set_local_tls_got_offset): Removed.
2612 (Sized_relobj::Local_got_offsets): Changed to store a list of offsets.
2613 * output.cc (Output_data_got::add_global): Added got_type parameter.
2614 (Output_data_got::add_global_with_rel): Likewise.
2615 (Output_data_got::add_global_with_rela): Likewise.
2616 (Output_data_got::add_global_pair_with_rel): New function.
2617 (Output_data_got::add_global_pair_with_rela): New function.
2618 (Output_data_got::add_local): Added got_type parameter.
2619 (Output_data_got::add_local_with_rel): Likewise.
2620 (Output_data_got::add_local_with_rela): Likewise.
2621 (Output_data_got::add_local_pair_with_rel): New function.
2622 (Output_data_got::add_local_pair_with_rela): New function.
2623 (Output_data_got::add_global_tls): Removed.
2624 (Output_data_got::add_global_tls_with_rel): Removed.
2625 (Output_data_got::add_global_tls_with_rela): Removed.
2626 (Output_data_got::add_local_tls): Removed.
2627 (Output_data_got::add_local_tls_with_rel): Removed.
2628 (Output_data_got::add_local_tls_with_rela): Removed.
2629 * output.h (Output_data_got::add_global): Added got_type parameter.
2630 (Output_data_got::add_global_with_rel): Likewise.
2631 (Output_data_got::add_global_with_rela): Likewise.
2632 (Output_data_got::add_global_pair_with_rel): New function.
2633 (Output_data_got::add_global_pair_with_rela): New function.
2634 (Output_data_got::add_local): Added got_type parameter.
2635 (Output_data_got::add_local_with_rel): Likewise.
2636 (Output_data_got::add_local_with_rela): Likewise.
2637 (Output_data_got::add_local_pair_with_rel): New function.
2638 (Output_data_got::add_local_pair_with_rela): New function.
2639 (Output_data_got::add_global_tls): Removed.
2640 (Output_data_got::add_global_tls_with_rel): Removed.
2641 (Output_data_got::add_global_tls_with_rela): Removed.
2642 (Output_data_got::add_local_tls): Removed.
2643 (Output_data_got::add_local_tls_with_rel): Removed.
2644 (Output_data_got::add_local_tls_with_rela): Removed.
2645 * resolve.cc (Symbol::override_base_with_special): Removed
2646 reference to has_got_offset_ field.
2647 * symtab.cc (Symbol::init_fields): Replaced initialization
2648 of got_offset_ with got_offsets_. Removed initialization
2649 of has_got_offset_
53fcba31 2650 * symtab.h (Symbol::has_got_offset): Aded got_type parameter.
0a65a3a7
CC		 2651 (Symbol::got_offset): Likewise.
2652 (Symbol::set_got_offset): Likewise.
2653 (Symbol::has_tls_got_offset): Removed.
2654 (Symbol::tls_got_offset): Removed.
2655 (Symbol::set_tls_got_offset): Removed.
2656 (Symbol::got_offset_): Removed.
2657 (Symbol::tls_mod_got_offset_): Removed.
2658 (Symbol::tls_pair_got_offset_): Removed.
2659 (Symbol::got_offsets_): New field.
2660 (Symbol::has_got_offset): Removed.
2661 (Symbol::has_tls_mod_got_offset): Removed.
2662 (Symbol::has_tls_pair_got_offset): Removed.
2663 * x86_64.cc (Target_x86_64::Got_type): New enum declaration.
2664 (Target_x86_64::Scan::local): Updated callers of Output_data_got
2665 member functions.
2666 (Target_x86_64::Scan::global): Likewise.
2667 (Target_x86_64::Relocate::relocate): Likewise.
2668 (Target_x86_64::Relocate::relocate_tls): Likewise.
2669
bd52eafb
BE		 26702008-03-25 Ben Elliston <bje@au.ibm.com>
2671
2672 * yyscript.y: Fix spelling error in comment.
2673
8b105e34
ILT		 26742008-03-24 Ian Lance Taylor <iant@google.com>
2675
8ed814a9
ILT		 2676 * options.h (class General_options): Define build_id option.
2677 * layout.h (class Layout): Declare write_build_id, create_note,
2678 create_build_id. Add build_id_note_ member.
2679 * layout.cc: Include <cerrno>, <fcntl.h>, <unistd.h>,
2680 "libiberty.h", "md5.h", "sha1.h".
2681 (Layout::Layout): Initialize eh_frame_data_,
2682 eh_frame_hdr_section_, and build_id_note_.
2683 (Layout::finalize): Call create_build_id.
2684 (Layout::create_note): New function, broken out of
2685 Layout::create_gold_note.
2686 (Layout::create_gold_note): Call create_note.
2687 (Layout::create_build_id): New function.
2688 (Layout::write_build_id): New function.
2689 (Close_task_runner::run): Call write_build_id.
2690
8b105e34
ILT		 2691 * x86_64.cc: Correct license to GPLv3.
2692
086a1841
ILT		 26932008-03-23 Ian Lance Taylor <iant@google.com>
2694
2695 * options.cc: Include "demangle.h".
2696 (parse_optional_string): New function.
2697 (parse_long_option): Handle takes_optional_argument.
2698 (parse_short_option): Update dash_z initializer. Handle
2699 takes_optional_argument.
2700 (General_options::General_options): Initialize do_demangle_.
2701 (General_options::finalize): Set do_demangle_. Handle demangling
2702 style.
2703 * options.h (parse_optional_string): Declare.
2704 (struct One_option): Add optional_arg field. Update constructor.
2705 Update call constructor calls. Add takes_optional_argument
2706 function.
2707 (DEFINE_var): Add optional_arg__ parameter. Change all callers.
2708 (DEFINE_optional_string): Define.
2709 (General_options::demangle): Change from DEFINE_bool to
2710 DEFINE_optional_string.
2711 (General_options::no_demangle): New function.
2712 (General_options::do_demangle): New function.
2713 (General_options::set_do_demangle): New function.
2714 (General_options::execstack_status_): Move definition to end of
2715 class definition.
2716 (General_options::static_): Likewise.
2717 (General_options::do_demangle_): New field.
2718 * object.cc (big_endian>::get_symbol_location_info): Call
2719 Options::do_demangle, not Options::demangle.
2720 * symtab.cc (demangle): Likewise.
2721
cbb93e63
ILT		 27222008-03-22 Ian Lance Taylor <iant@google.com>
2723
2724 * gold.h: Include <cstddef> and <sys/types.h>
2725 * options.h: Include <cstring>.
2726
ec531623
ILT		 27272008-03-21 Ian Lance Taylor <iant@google.com>
2728
2729 * Added source code to GNU binutils.
GDB Binutils - Deliverables
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