forked from bsdjhb/gdb
-
Notifications
You must be signed in to change notification settings - Fork 0
/
Copy pathlexsup.c
2027 lines (1919 loc) · 68.7 KB
/
lexsup.c
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
912
913
914
915
916
917
918
919
920
921
922
923
924
925
926
927
928
929
930
931
932
933
934
935
936
937
938
939
940
941
942
943
944
945
946
947
948
949
950
951
952
953
954
955
956
957
958
959
960
961
962
963
964
965
966
967
968
969
970
971
972
973
974
975
976
977
978
979
980
981
982
983
984
985
986
987
988
989
990
991
992
993
994
995
996
997
998
999
1000
/* Parse options for the GNU linker.
Copyright (C) 1991-2019 Free Software Foundation, Inc.
This file is part of the GNU Binutils.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
MA 02110-1301, USA. */
#include "sysdep.h"
#include "bfd.h"
#include "bfdver.h"
#include "libiberty.h"
#include <stdio.h>
#include <string.h>
#include "safe-ctype.h"
#include "getopt.h"
#include "bfdlink.h"
#include "ctf-api.h"
#include "ld.h"
#include "ldmain.h"
#include "ldmisc.h"
#include "ldexp.h"
#include "ldlang.h"
#include <ldgram.h>
#include "ldlex.h"
#include "ldfile.h"
#include "ldver.h"
#include "ldemul.h"
#include "demangle.h"
#ifdef ENABLE_PLUGINS
#include "plugin.h"
#endif /* ENABLE_PLUGINS */
#ifndef PATH_SEPARATOR
#if defined (__MSDOS__) || (defined (_WIN32) && ! defined (__CYGWIN32__))
#define PATH_SEPARATOR ';'
#else
#define PATH_SEPARATOR ':'
#endif
#endif
/* Somewhere above, sys/stat.h got included . . . . */
#if !defined(S_ISDIR) && defined(S_IFDIR)
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
#endif
static void set_default_dirlist (char *);
static void set_section_start (char *, char *);
static void set_segment_start (const char *, char *);
static void help (void);
/* The long options. This structure is used for both the option
parsing and the help text. */
enum control_enum {
/* Use one dash before long option name. */
ONE_DASH = 1,
/* Use two dashes before long option name. */
TWO_DASHES = 2,
/* Only accept two dashes before the long option name.
This is an overloading of the use of this enum, since originally it
was only intended to tell the --help display function how to display
the long option name. This feature was added in order to resolve
the confusion about the -omagic command line switch. Is it setting
the output file name to "magic" or is it setting the NMAGIC flag on
the output ? It has been decided that it is setting the output file
name, and that if you want to set the NMAGIC flag you should use -N
or --omagic. */
EXACTLY_TWO_DASHES,
/* Don't mention this option in --help output. */
NO_HELP
};
struct ld_option
{
/* The long option information. */
struct option opt;
/* The short option with the same meaning ('\0' if none). */
char shortopt;
/* The name of the argument (NULL if none). */
const char *arg;
/* The documentation string. If this is NULL, this is a synonym for
the previous option. */
const char *doc;
enum control_enum control;
};
static const struct ld_option ld_options[] =
{
{ {NULL, required_argument, NULL, '\0'},
'a', N_("KEYWORD"), N_("Shared library control for HP/UX compatibility"),
ONE_DASH },
{ {"architecture", required_argument, NULL, 'A'},
'A', N_("ARCH"), N_("Set architecture") , TWO_DASHES },
{ {"format", required_argument, NULL, 'b'},
'b', N_("TARGET"), N_("Specify target for following input files"),
TWO_DASHES },
{ {"mri-script", required_argument, NULL, 'c'},
'c', N_("FILE"), N_("Read MRI format linker script"), TWO_DASHES },
{ {"dc", no_argument, NULL, 'd'},
'd', NULL, N_("Force common symbols to be defined"), ONE_DASH },
{ {"dp", no_argument, NULL, 'd'},
'\0', NULL, NULL, ONE_DASH },
{ {"force-group-allocation", no_argument, NULL,
OPTION_FORCE_GROUP_ALLOCATION},
'\0', NULL, N_("Force group members out of groups"), TWO_DASHES },
{ {"entry", required_argument, NULL, 'e'},
'e', N_("ADDRESS"), N_("Set start address"), TWO_DASHES },
{ {"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC},
'E', NULL, N_("Export all dynamic symbols"), TWO_DASHES },
{ {"no-export-dynamic", no_argument, NULL, OPTION_NO_EXPORT_DYNAMIC},
'\0', NULL, N_("Undo the effect of --export-dynamic"), TWO_DASHES },
{ {"EB", no_argument, NULL, OPTION_EB},
'\0', NULL, N_("Link big-endian objects"), ONE_DASH },
{ {"EL", no_argument, NULL, OPTION_EL},
'\0', NULL, N_("Link little-endian objects"), ONE_DASH },
{ {"auxiliary", required_argument, NULL, 'f'},
'f', N_("SHLIB"), N_("Auxiliary filter for shared object symbol table"),
TWO_DASHES },
{ {"filter", required_argument, NULL, 'F'},
'F', N_("SHLIB"), N_("Filter for shared object symbol table"),
TWO_DASHES },
{ {NULL, no_argument, NULL, '\0'},
'g', NULL, N_("Ignored"), ONE_DASH },
{ {"gpsize", required_argument, NULL, 'G'},
'G', N_("SIZE"), N_("Small data size (if no size, same as --shared)"),
TWO_DASHES },
{ {"soname", required_argument, NULL, OPTION_SONAME},
'h', N_("FILENAME"), N_("Set internal name of shared library"), ONE_DASH },
{ {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
'I', N_("PROGRAM"), N_("Set PROGRAM as the dynamic linker to use"),
TWO_DASHES },
{ {"no-dynamic-linker", no_argument, NULL, OPTION_NO_DYNAMIC_LINKER},
'\0', NULL, N_("Produce an executable with no program interpreter header"),
TWO_DASHES },
{ {"library", required_argument, NULL, 'l'},
'l', N_("LIBNAME"), N_("Search for library LIBNAME"), TWO_DASHES },
{ {"library-path", required_argument, NULL, 'L'},
'L', N_("DIRECTORY"), N_("Add DIRECTORY to library search path"),
TWO_DASHES },
{ {"sysroot=<DIRECTORY>", required_argument, NULL, OPTION_SYSROOT},
'\0', NULL, N_("Override the default sysroot location"), TWO_DASHES },
{ {NULL, required_argument, NULL, '\0'},
'm', N_("EMULATION"), N_("Set emulation"), ONE_DASH },
{ {"print-map", no_argument, NULL, 'M'},
'M', NULL, N_("Print map file on standard output"), TWO_DASHES },
{ {"nmagic", no_argument, NULL, 'n'},
'n', NULL, N_("Do not page align data"), TWO_DASHES },
{ {"omagic", no_argument, NULL, 'N'},
'N', NULL, N_("Do not page align data, do not make text readonly"),
EXACTLY_TWO_DASHES },
{ {"no-omagic", no_argument, NULL, OPTION_NO_OMAGIC},
'\0', NULL, N_("Page align data, make text readonly"),
EXACTLY_TWO_DASHES },
{ {"output", required_argument, NULL, 'o'},
'o', N_("FILE"), N_("Set output file name"), EXACTLY_TWO_DASHES },
{ {NULL, required_argument, NULL, '\0'},
'O', NULL, N_("Optimize output file"), ONE_DASH },
{ {"out-implib", required_argument, NULL, OPTION_OUT_IMPLIB},
'\0', N_("FILE"), N_("Generate import library"), TWO_DASHES },
#ifdef ENABLE_PLUGINS
{ {"plugin", required_argument, NULL, OPTION_PLUGIN},
'\0', N_("PLUGIN"), N_("Load named plugin"), ONE_DASH },
{ {"plugin-opt", required_argument, NULL, OPTION_PLUGIN_OPT},
'\0', N_("ARG"), N_("Send arg to last-loaded plugin"), ONE_DASH },
{ {"flto", optional_argument, NULL, OPTION_IGNORE},
'\0', NULL, N_("Ignored for GCC LTO option compatibility"),
ONE_DASH },
{ {"flto-partition=", required_argument, NULL, OPTION_IGNORE},
'\0', NULL, N_("Ignored for GCC LTO option compatibility"),
ONE_DASH },
#endif /* ENABLE_PLUGINS */
{ {"fuse-ld=", required_argument, NULL, OPTION_IGNORE},
'\0', NULL, N_("Ignored for GCC linker option compatibility"),
ONE_DASH },
{ {"map-whole-files", optional_argument, NULL, OPTION_IGNORE},
'\0', NULL, N_("Ignored for gold option compatibility"),
TWO_DASHES },
{ {"no-map-whole-files", optional_argument, NULL, OPTION_IGNORE},
'\0', NULL, N_("Ignored for gold option compatibility"),
TWO_DASHES },
{ {"Qy", no_argument, NULL, OPTION_IGNORE},
'\0', NULL, N_("Ignored for SVR4 compatibility"), ONE_DASH },
{ {"emit-relocs", no_argument, NULL, 'q'},
'q', NULL, "Generate relocations in final output", TWO_DASHES },
{ {"relocatable", no_argument, NULL, 'r'},
'r', NULL, N_("Generate relocatable output"), TWO_DASHES },
{ {NULL, no_argument, NULL, '\0'},
'i', NULL, NULL, ONE_DASH },
{ {"just-symbols", required_argument, NULL, 'R'},
'R', N_("FILE"), N_("Just link symbols (if directory, same as --rpath)"),
TWO_DASHES },
{ {"strip-all", no_argument, NULL, 's'},
's', NULL, N_("Strip all symbols"), TWO_DASHES },
{ {"strip-debug", no_argument, NULL, 'S'},
'S', NULL, N_("Strip debugging symbols"), TWO_DASHES },
{ {"strip-discarded", no_argument, NULL, OPTION_STRIP_DISCARDED},
'\0', NULL, N_("Strip symbols in discarded sections"), TWO_DASHES },
{ {"no-strip-discarded", no_argument, NULL, OPTION_NO_STRIP_DISCARDED},
'\0', NULL, N_("Do not strip symbols in discarded sections"), TWO_DASHES },
{ {"trace", no_argument, NULL, 't'},
't', NULL, N_("Trace file opens"), TWO_DASHES },
{ {"script", required_argument, NULL, 'T'},
'T', N_("FILE"), N_("Read linker script"), TWO_DASHES },
{ {"default-script", required_argument, NULL, OPTION_DEFAULT_SCRIPT},
'\0', N_("FILE"), N_("Read default linker script"), TWO_DASHES },
{ {"dT", required_argument, NULL, OPTION_DEFAULT_SCRIPT},
'\0', NULL, NULL, ONE_DASH },
{ {"undefined", required_argument, NULL, 'u'},
'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"),
TWO_DASHES },
{ {"require-defined", required_argument, NULL, OPTION_REQUIRE_DEFINED_SYMBOL},
'\0', N_("SYMBOL"), N_("Require SYMBOL be defined in the final output"),
TWO_DASHES },
{ {"unique", optional_argument, NULL, OPTION_UNIQUE},
'\0', N_("[=SECTION]"),
N_("Don't merge input [SECTION | orphan] sections"), TWO_DASHES },
{ {"Ur", no_argument, NULL, OPTION_UR},
'\0', NULL, N_("Build global constructor/destructor tables"), ONE_DASH },
{ {"version", no_argument, NULL, OPTION_VERSION},
'v', NULL, N_("Print version information"), TWO_DASHES },
{ {NULL, no_argument, NULL, '\0'},
'V', NULL, N_("Print version and emulation information"), ONE_DASH },
{ {"discard-all", no_argument, NULL, 'x'},
'x', NULL, N_("Discard all local symbols"), TWO_DASHES },
{ {"discard-locals", no_argument, NULL, 'X'},
'X', NULL, N_("Discard temporary local symbols (default)"), TWO_DASHES },
{ {"discard-none", no_argument, NULL, OPTION_DISCARD_NONE},
'\0', NULL, N_("Don't discard any local symbols"), TWO_DASHES },
{ {"trace-symbol", required_argument, NULL, 'y'},
'y', N_("SYMBOL"), N_("Trace mentions of SYMBOL"), TWO_DASHES },
{ {NULL, required_argument, NULL, '\0'},
'Y', N_("PATH"), N_("Default search path for Solaris compatibility"),
ONE_DASH },
{ {"start-group", no_argument, NULL, '('},
'(', NULL, N_("Start a group"), TWO_DASHES },
{ {"end-group", no_argument, NULL, ')'},
')', NULL, N_("End a group"), TWO_DASHES },
{ {"accept-unknown-input-arch", no_argument, NULL,
OPTION_ACCEPT_UNKNOWN_INPUT_ARCH},
'\0', NULL,
N_("Accept input files whose architecture cannot be determined"),
TWO_DASHES },
{ {"no-accept-unknown-input-arch", no_argument, NULL,
OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH},
'\0', NULL, N_("Reject input files whose architecture is unknown"),
TWO_DASHES },
/* The next two options are deprecated because of their similarity to
--as-needed and --no-as-needed. They have been replaced by
--copy-dt-needed-entries and --no-copy-dt-needed-entries. */
{ {"add-needed", no_argument, NULL, OPTION_ADD_DT_NEEDED_FOR_DYNAMIC},
'\0', NULL, NULL, NO_HELP },
{ {"no-add-needed", no_argument, NULL, OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC},
'\0', NULL, NULL, NO_HELP },
{ {"as-needed", no_argument, NULL, OPTION_ADD_DT_NEEDED_FOR_REGULAR},
'\0', NULL, N_("Only set DT_NEEDED for following dynamic libs if used"),
TWO_DASHES },
{ {"no-as-needed", no_argument, NULL, OPTION_NO_ADD_DT_NEEDED_FOR_REGULAR},
'\0', NULL, N_("Always set DT_NEEDED for dynamic libraries mentioned on\n"
" the command line"),
TWO_DASHES },
{ {"assert", required_argument, NULL, OPTION_ASSERT},
'\0', N_("KEYWORD"), N_("Ignored for SunOS compatibility"), ONE_DASH },
{ {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
'\0', NULL, N_("Link against shared libraries"), ONE_DASH },
{ {"dy", no_argument, NULL, OPTION_CALL_SHARED},
'\0', NULL, NULL, ONE_DASH },
{ {"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
'\0', NULL, NULL, ONE_DASH },
{ {"Bstatic", no_argument, NULL, OPTION_NON_SHARED},
'\0', NULL, N_("Do not link against shared libraries"), ONE_DASH },
{ {"dn", no_argument, NULL, OPTION_NON_SHARED},
'\0', NULL, NULL, ONE_DASH },
{ {"non_shared", no_argument, NULL, OPTION_NON_SHARED},
'\0', NULL, NULL, ONE_DASH },
{ {"static", no_argument, NULL, OPTION_NON_SHARED},
'\0', NULL, NULL, ONE_DASH },
{ {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC},
'\0', NULL, N_("Bind global references locally"), ONE_DASH },
{ {"Bsymbolic-functions", no_argument, NULL, OPTION_SYMBOLIC_FUNCTIONS},
'\0', NULL, N_("Bind global function references locally"), ONE_DASH },
{ {"check-sections", no_argument, NULL, OPTION_CHECK_SECTIONS},
'\0', NULL, N_("Check section addresses for overlaps (default)"),
TWO_DASHES },
{ {"no-check-sections", no_argument, NULL, OPTION_NO_CHECK_SECTIONS},
'\0', NULL, N_("Do not check section addresses for overlaps"),
TWO_DASHES },
{ {"copy-dt-needed-entries", no_argument, NULL,
OPTION_ADD_DT_NEEDED_FOR_DYNAMIC},
'\0', NULL, N_("Copy DT_NEEDED links mentioned inside DSOs that follow"),
TWO_DASHES },
{ {"no-copy-dt-needed-entries", no_argument, NULL,
OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC},
'\0', NULL, N_("Do not copy DT_NEEDED links mentioned inside DSOs that follow"),
TWO_DASHES },
{ {"cref", no_argument, NULL, OPTION_CREF},
'\0', NULL, N_("Output cross reference table"), TWO_DASHES },
{ {"defsym", required_argument, NULL, OPTION_DEFSYM},
'\0', N_("SYMBOL=EXPRESSION"), N_("Define a symbol"), TWO_DASHES },
{ {"demangle", optional_argument, NULL, OPTION_DEMANGLE},
'\0', N_("[=STYLE]"), N_("Demangle symbol names [using STYLE]"),
TWO_DASHES },
{ {"disable-multiple-abs-defs", no_argument, NULL,
OPTION_DISABLE_MULTIPLE_DEFS_ABS},
'\0', NULL, N_("Do not allow multiple definitions with symbols included\n"
" in filename invoked by -R or --just-symbols"),
TWO_DASHES},
{ {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
'\0', NULL, N_("Generate embedded relocs"), TWO_DASHES},
{ {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL},
'\0', NULL, N_("Treat warnings as errors"),
TWO_DASHES },
{ {"no-fatal-warnings", no_argument, NULL, OPTION_NO_WARN_FATAL},
'\0', NULL, N_("Do not treat warnings as errors (default)"),
TWO_DASHES },
{ {"fini", required_argument, NULL, OPTION_FINI},
'\0', N_("SYMBOL"), N_("Call SYMBOL at unload-time"), ONE_DASH },
{ {"force-exe-suffix", no_argument, NULL, OPTION_FORCE_EXE_SUFFIX},
'\0', NULL, N_("Force generation of file with .exe suffix"), TWO_DASHES},
{ {"gc-sections", no_argument, NULL, OPTION_GC_SECTIONS},
'\0', NULL, N_("Remove unused sections (on some targets)"),
TWO_DASHES },
{ {"no-gc-sections", no_argument, NULL, OPTION_NO_GC_SECTIONS},
'\0', NULL, N_("Don't remove unused sections (default)"),
TWO_DASHES },
{ {"print-gc-sections", no_argument, NULL, OPTION_PRINT_GC_SECTIONS},
'\0', NULL, N_("List removed unused sections on stderr"),
TWO_DASHES },
{ {"no-print-gc-sections", no_argument, NULL, OPTION_NO_PRINT_GC_SECTIONS},
'\0', NULL, N_("Do not list removed unused sections"),
TWO_DASHES },
{ {"gc-keep-exported", no_argument, NULL, OPTION_GC_KEEP_EXPORTED},
'\0', NULL, N_("Keep exported symbols when removing unused sections"),
TWO_DASHES },
{ {"hash-size=<NUMBER>", required_argument, NULL, OPTION_HASH_SIZE},
'\0', NULL, N_("Set default hash table size close to <NUMBER>"),
TWO_DASHES },
{ {"help", no_argument, NULL, OPTION_HELP},
'\0', NULL, N_("Print option help"), TWO_DASHES },
{ {"init", required_argument, NULL, OPTION_INIT},
'\0', N_("SYMBOL"), N_("Call SYMBOL at load-time"), ONE_DASH },
{ {"Map", required_argument, NULL, OPTION_MAP},
'\0', N_("FILE"), N_("Write a map file"), ONE_DASH },
{ {"no-define-common", no_argument, NULL, OPTION_NO_DEFINE_COMMON},
'\0', NULL, N_("Do not define Common storage"), TWO_DASHES },
{ {"no-demangle", no_argument, NULL, OPTION_NO_DEMANGLE },
'\0', NULL, N_("Do not demangle symbol names"), TWO_DASHES },
{ {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
'\0', NULL, N_("Use less memory and more disk I/O"), TWO_DASHES },
{ {"no-undefined", no_argument, NULL, OPTION_NO_UNDEFINED},
'\0', NULL, N_("Do not allow unresolved references in object files"),
TWO_DASHES },
{ {"allow-shlib-undefined", no_argument, NULL, OPTION_ALLOW_SHLIB_UNDEFINED},
'\0', NULL, N_("Allow unresolved references in shared libraries"),
TWO_DASHES },
{ {"no-allow-shlib-undefined", no_argument, NULL,
OPTION_NO_ALLOW_SHLIB_UNDEFINED},
'\0', NULL, N_("Do not allow unresolved references in shared libs"),
TWO_DASHES },
{ {"allow-multiple-definition", no_argument, NULL,
OPTION_ALLOW_MULTIPLE_DEFINITION},
'\0', NULL, N_("Allow multiple definitions"), TWO_DASHES },
{ {"no-undefined-version", no_argument, NULL, OPTION_NO_UNDEFINED_VERSION},
'\0', NULL, N_("Disallow undefined version"), TWO_DASHES },
{ {"default-symver", no_argument, NULL, OPTION_DEFAULT_SYMVER},
'\0', NULL, N_("Create default symbol version"), TWO_DASHES },
{ {"default-imported-symver", no_argument, NULL,
OPTION_DEFAULT_IMPORTED_SYMVER},
'\0', NULL, N_("Create default symbol version for imported symbols"),
TWO_DASHES },
{ {"no-warn-mismatch", no_argument, NULL, OPTION_NO_WARN_MISMATCH},
'\0', NULL, N_("Don't warn about mismatched input files"), TWO_DASHES},
{ {"no-warn-search-mismatch", no_argument, NULL,
OPTION_NO_WARN_SEARCH_MISMATCH},
'\0', NULL, N_("Don't warn on finding an incompatible library"),
TWO_DASHES},
{ {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
'\0', NULL, N_("Turn off --whole-archive"), TWO_DASHES },
{ {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
'\0', NULL, N_("Create an output file even if errors occur"),
TWO_DASHES },
{ {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
'\0', NULL, NULL, NO_HELP },
{ {"nostdlib", no_argument, NULL, OPTION_NOSTDLIB},
'\0', NULL, N_("Only use library directories specified on\n"
" the command line"),
ONE_DASH },
{ {"oformat", required_argument, NULL, OPTION_OFORMAT},
'\0', N_("TARGET"), N_("Specify target of output file"),
EXACTLY_TWO_DASHES },
{ {"print-output-format", no_argument, NULL, OPTION_PRINT_OUTPUT_FORMAT},
'\0', NULL, N_("Print default output format"), TWO_DASHES },
{ {"print-sysroot", no_argument, NULL, OPTION_PRINT_SYSROOT},
'\0', NULL, N_("Print current sysroot"), TWO_DASHES },
{ {"qmagic", no_argument, NULL, OPTION_IGNORE},
'\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH },
{ {"reduce-memory-overheads", no_argument, NULL,
OPTION_REDUCE_MEMORY_OVERHEADS},
'\0', NULL, N_("Reduce memory overheads, possibly taking much longer"),
TWO_DASHES },
{ {"relax", no_argument, NULL, OPTION_RELAX},
'\0', NULL, N_("Reduce code size by using target specific optimizations"), TWO_DASHES },
{ {"no-relax", no_argument, NULL, OPTION_NO_RELAX},
'\0', NULL, N_("Do not use relaxation techniques to reduce code size"), TWO_DASHES },
{ {"retain-symbols-file", required_argument, NULL,
OPTION_RETAIN_SYMBOLS_FILE},
'\0', N_("FILE"), N_("Keep only symbols listed in FILE"), TWO_DASHES },
{ {"rpath", required_argument, NULL, OPTION_RPATH},
'\0', N_("PATH"), N_("Set runtime shared library search path"), ONE_DASH },
{ {"rpath-link", required_argument, NULL, OPTION_RPATH_LINK},
'\0', N_("PATH"), N_("Set link time shared library search path"),
ONE_DASH },
{ {"shared", no_argument, NULL, OPTION_SHARED},
'\0', NULL, N_("Create a shared library"), ONE_DASH },
{ {"Bshareable", no_argument, NULL, OPTION_SHARED }, /* FreeBSD. */
'\0', NULL, NULL, ONE_DASH },
{ {"pie", no_argument, NULL, OPTION_PIE},
'\0', NULL, N_("Create a position independent executable"), ONE_DASH },
{ {"pic-executable", no_argument, NULL, OPTION_PIE},
'\0', NULL, NULL, TWO_DASHES },
{ {"sort-common", optional_argument, NULL, OPTION_SORT_COMMON},
'\0', N_("[=ascending|descending]"),
N_("Sort common symbols by alignment [in specified order]"),
TWO_DASHES },
{ {"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
'\0', NULL, NULL, NO_HELP },
{ {"sort-section", required_argument, NULL, OPTION_SORT_SECTION},
'\0', N_("name|alignment"),
N_("Sort sections by name or maximum alignment"), TWO_DASHES },
{ {"spare-dynamic-tags", required_argument, NULL, OPTION_SPARE_DYNAMIC_TAGS},
'\0', N_("COUNT"), N_("How many tags to reserve in .dynamic section"),
TWO_DASHES },
{ {"split-by-file", optional_argument, NULL, OPTION_SPLIT_BY_FILE},
'\0', N_("[=SIZE]"), N_("Split output sections every SIZE octets"),
TWO_DASHES },
{ {"split-by-reloc", optional_argument, NULL, OPTION_SPLIT_BY_RELOC},
'\0', N_("[=COUNT]"), N_("Split output sections every COUNT relocs"),
TWO_DASHES },
{ {"stats", no_argument, NULL, OPTION_STATS},
'\0', NULL, N_("Print memory usage statistics"), TWO_DASHES },
{ {"target-help", no_argument, NULL, OPTION_TARGET_HELP},
'\0', NULL, N_("Display target specific options"), TWO_DASHES },
{ {"task-link", required_argument, NULL, OPTION_TASK_LINK},
'\0', N_("SYMBOL"), N_("Do task level linking"), TWO_DASHES },
{ {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
'\0', NULL, N_("Use same format as native linker"), TWO_DASHES },
{ {"section-start", required_argument, NULL, OPTION_SECTION_START},
'\0', N_("SECTION=ADDRESS"), N_("Set address of named section"),
TWO_DASHES },
{ {"Tbss", required_argument, NULL, OPTION_TBSS},
'\0', N_("ADDRESS"), N_("Set address of .bss section"), ONE_DASH },
{ {"Tdata", required_argument, NULL, OPTION_TDATA},
'\0', N_("ADDRESS"), N_("Set address of .data section"), ONE_DASH },
{ {"Ttext", required_argument, NULL, OPTION_TTEXT},
'\0', N_("ADDRESS"), N_("Set address of .text section"), ONE_DASH },
{ {"Ttext-segment", required_argument, NULL, OPTION_TTEXT_SEGMENT},
'\0', N_("ADDRESS"), N_("Set address of text segment"), ONE_DASH },
{ {"Trodata-segment", required_argument, NULL, OPTION_TRODATA_SEGMENT},
'\0', N_("ADDRESS"), N_("Set address of rodata segment"), ONE_DASH },
{ {"Tldata-segment", required_argument, NULL, OPTION_TLDATA_SEGMENT},
'\0', N_("ADDRESS"), N_("Set address of ldata segment"), ONE_DASH },
{ {"unresolved-symbols=<method>", required_argument, NULL,
OPTION_UNRESOLVED_SYMBOLS},
'\0', NULL, N_("How to handle unresolved symbols. <method> is:\n"
" ignore-all, report-all, ignore-in-object-files,\n"
" ignore-in-shared-libs"),
TWO_DASHES },
{ {"verbose", optional_argument, NULL, OPTION_VERBOSE},
'\0', N_("[=NUMBER]"),
N_("Output lots of information during link"), TWO_DASHES },
{ {"dll-verbose", no_argument, NULL, OPTION_VERBOSE}, /* Linux. */
'\0', NULL, NULL, NO_HELP },
{ {"version-script", required_argument, NULL, OPTION_VERSION_SCRIPT },
'\0', N_("FILE"), N_("Read version information script"), TWO_DASHES },
{ {"version-exports-section", required_argument, NULL,
OPTION_VERSION_EXPORTS_SECTION },
'\0', N_("SYMBOL"), N_("Take export symbols list from .exports, using\n"
" SYMBOL as the version."),
TWO_DASHES },
{ {"dynamic-list-data", no_argument, NULL, OPTION_DYNAMIC_LIST_DATA},
'\0', NULL, N_("Add data symbols to dynamic list"), TWO_DASHES },
{ {"dynamic-list-cpp-new", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_NEW},
'\0', NULL, N_("Use C++ operator new/delete dynamic list"), TWO_DASHES },
{ {"dynamic-list-cpp-typeinfo", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_TYPEINFO},
'\0', NULL, N_("Use C++ typeinfo dynamic list"), TWO_DASHES },
{ {"dynamic-list", required_argument, NULL, OPTION_DYNAMIC_LIST},
'\0', N_("FILE"), N_("Read dynamic list"), TWO_DASHES },
{ {"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
'\0', NULL, N_("Warn about duplicate common symbols"), TWO_DASHES },
{ {"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS},
'\0', NULL, N_("Warn if global constructors/destructors are seen"),
TWO_DASHES },
{ {"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP},
'\0', NULL, N_("Warn if the multiple GP values are used"), TWO_DASHES },
{ {"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
'\0', NULL, N_("Warn only once per undefined symbol"), TWO_DASHES },
{ {"warn-section-align", no_argument, NULL, OPTION_WARN_SECTION_ALIGN},
'\0', NULL, N_("Warn if start of section changes due to alignment"),
TWO_DASHES },
{ {"warn-shared-textrel", no_argument, NULL, OPTION_WARN_SHARED_TEXTREL},
'\0', NULL, N_("Warn if shared object has DT_TEXTREL"),
TWO_DASHES },
{ {"warn-alternate-em", no_argument, NULL, OPTION_WARN_ALTERNATE_EM},
'\0', NULL, N_("Warn if an object has alternate ELF machine code"),
TWO_DASHES },
{ {"warn-unresolved-symbols", no_argument, NULL,
OPTION_WARN_UNRESOLVED_SYMBOLS},
'\0', NULL, N_("Report unresolved symbols as warnings"), TWO_DASHES },
{ {"error-unresolved-symbols", no_argument, NULL,
OPTION_ERROR_UNRESOLVED_SYMBOLS},
'\0', NULL, N_("Report unresolved symbols as errors"), TWO_DASHES },
{ {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
'\0', NULL, N_("Include all objects from following archives"),
TWO_DASHES },
{ {"wrap", required_argument, NULL, OPTION_WRAP},
'\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES },
{ {"ignore-unresolved-symbol", required_argument, NULL,
OPTION_IGNORE_UNRESOLVED_SYMBOL},
'\0', N_("SYMBOL"),
N_("Unresolved SYMBOL will not cause an error or warning"), TWO_DASHES },
{ {"push-state", no_argument, NULL, OPTION_PUSH_STATE},
'\0', NULL, N_("Push state of flags governing input file handling"),
TWO_DASHES },
{ {"pop-state", no_argument, NULL, OPTION_POP_STATE},
'\0', NULL, N_("Pop state of flags governing input file handling"),
TWO_DASHES },
{ {"print-memory-usage", no_argument, NULL, OPTION_PRINT_MEMORY_USAGE},
'\0', NULL, N_("Report target memory usage"), TWO_DASHES },
{ {"orphan-handling", required_argument, NULL, OPTION_ORPHAN_HANDLING},
'\0', N_("=MODE"), N_("Control how orphan sections are handled."),
TWO_DASHES },
{ {"print-map-discarded", no_argument, NULL, OPTION_PRINT_MAP_DISCARDED},
'\0', NULL, N_("Show discarded sections in map file output (default)"),
TWO_DASHES },
{ {"no-print-map-discarded", no_argument, NULL, OPTION_NO_PRINT_MAP_DISCARDED},
'\0', NULL, N_("Do not show discarded sections in map file output"),
TWO_DASHES },
};
#define OPTION_COUNT ARRAY_SIZE (ld_options)
void
parse_args (unsigned argc, char **argv)
{
unsigned i;
int is, il, irl;
int ingroup = 0;
char *default_dirlist = NULL;
char *shortopts;
struct option *longopts;
struct option *really_longopts;
int last_optind;
enum report_method how_to_report_unresolved_symbols = RM_GENERATE_ERROR;
enum symbolic_enum
{
symbolic_unset = 0,
symbolic,
symbolic_functions,
} opt_symbolic = symbolic_unset;
enum dynamic_list_enum
{
dynamic_list_unset = 0,
dynamic_list_data,
dynamic_list
} opt_dynamic_list = dynamic_list_unset;
shortopts = (char *) xmalloc (OPTION_COUNT * 3 + 2);
longopts = (struct option *)
xmalloc (sizeof (*longopts) * (OPTION_COUNT + 1));
really_longopts = (struct option *)
malloc (sizeof (*really_longopts) * (OPTION_COUNT + 1));
/* Starting the short option string with '-' is for programs that
expect options and other ARGV-elements in any order and that care about
the ordering of the two. We describe each non-option ARGV-element
as if it were the argument of an option with character code 1. */
shortopts[0] = '-';
is = 1;
il = 0;
irl = 0;
for (i = 0; i < OPTION_COUNT; i++)
{
if (ld_options[i].shortopt != '\0')
{
shortopts[is] = ld_options[i].shortopt;
++is;
if (ld_options[i].opt.has_arg == required_argument
|| ld_options[i].opt.has_arg == optional_argument)
{
shortopts[is] = ':';
++is;
if (ld_options[i].opt.has_arg == optional_argument)
{
shortopts[is] = ':';
++is;
}
}
}
if (ld_options[i].opt.name != NULL)
{
if (ld_options[i].control == EXACTLY_TWO_DASHES)
{
really_longopts[irl] = ld_options[i].opt;
++irl;
}
else
{
longopts[il] = ld_options[i].opt;
++il;
}
}
}
shortopts[is] = '\0';
longopts[il].name = NULL;
really_longopts[irl].name = NULL;
ldemul_add_options (is, &shortopts, il, &longopts, irl, &really_longopts);
/* The -G option is ambiguous on different platforms. Sometimes it
specifies the largest data size to put into the small data
section. Sometimes it is equivalent to --shared. Unfortunately,
the first form takes an argument, while the second does not.
We need to permit the --shared form because on some platforms,
such as Solaris, gcc -shared will pass -G to the linker.
To permit either usage, we look through the argument list. If we
find -G not followed by a number, we change it into --shared.
This will work for most normal cases. */
for (i = 1; i < argc; i++)
if (strcmp (argv[i], "-G") == 0
&& (i + 1 >= argc
|| ! ISDIGIT (argv[i + 1][0])))
argv[i] = (char *) "--shared";
/* Because we permit long options to start with a single dash, and
we have a --library option, and the -l option is conventionally
used with an immediately following argument, we can have bad
results if somebody tries to use -l with a library whose name
happens to start with "ibrary", as in -li. We avoid problems by
simply turning -l into --library. This means that users will
have to use two dashes in order to use --library, which is OK
since that's how it is documented.
FIXME: It's possible that this problem can arise for other short
options as well, although the user does always have the recourse
of adding a space between the option and the argument. */
for (i = 1; i < argc; i++)
{
if (argv[i][0] == '-'
&& argv[i][1] == 'l'
&& argv[i][2] != '\0')
{
char *n;
n = (char *) xmalloc (strlen (argv[i]) + 20);
sprintf (n, "--library=%s", argv[i] + 2);
argv[i] = n;
}
}
last_optind = -1;
while (1)
{
int longind;
int optc;
static unsigned int defsym_count;
/* Using last_optind lets us avoid calling ldemul_parse_args
multiple times on a single option, which would lead to
confusion in the internal static variables maintained by
getopt. This could otherwise happen for an argument like
-nx, in which the -n is parsed as a single option, and we
loop around to pick up the -x. */
if (optind != last_optind)
if (ldemul_parse_args (argc, argv))
continue;
/* getopt_long_only is like getopt_long, but '-' as well as '--'
can indicate a long option. */
opterr = 0;
last_optind = optind;
optc = getopt_long_only (argc, argv, shortopts, longopts, &longind);
if (optc == '?')
{
optind = last_optind;
optc = getopt_long (argc, argv, "-", really_longopts, &longind);
}
if (ldemul_handle_option (optc))
continue;
if (optc == -1)
break;
switch (optc)
{
case '?':
{
/* If the last word on the command line is an option that
requires an argument, getopt will refuse to recognise it.
Try to catch such options here and issue a more helpful
error message than just "unrecognized option". */
int opt;
for (opt = ARRAY_SIZE (ld_options); opt--;)
if (ld_options[opt].opt.has_arg == required_argument
/* FIXME: There are a few short options that do not
have long equivalents, but which require arguments.
We should handle them too. */
&& ld_options[opt].opt.name != NULL
&& strcmp (argv[last_optind] + ld_options[opt].control, ld_options[opt].opt.name) == 0)
{
einfo (_("%P: %s: missing argument\n"), argv[last_optind]);
break;
}
if (opt == -1)
einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]);
}
/* Fall through. */
default:
einfo (_("%F%P: use the --help option for usage information\n"));
break;
case 1: /* File name. */
lang_add_input_file (optarg, lang_input_file_is_file_enum, NULL);
break;
case OPTION_IGNORE:
break;
case 'a':
/* For HP/UX compatibility. Actually -a shared should mean
``use only shared libraries'' but, then, we don't
currently support shared libraries on HP/UX anyhow. */
if (strcmp (optarg, "archive") == 0)
input_flags.dynamic = FALSE;
else if (strcmp (optarg, "shared") == 0
|| strcmp (optarg, "default") == 0)
input_flags.dynamic = TRUE;
else
einfo (_("%F%P: unrecognized -a option `%s'\n"), optarg);
break;
case OPTION_ASSERT:
/* FIXME: We just ignore these, but we should handle them. */
if (strcmp (optarg, "definitions") == 0)
;
else if (strcmp (optarg, "nodefinitions") == 0)
;
else if (strcmp (optarg, "nosymbolic") == 0)
;
else if (strcmp (optarg, "pure-text") == 0)
;
else
einfo (_("%F%P: unrecognized -assert option `%s'\n"), optarg);
break;
case 'A':
ldfile_add_arch (optarg);
break;
case 'b':
lang_add_target (optarg);
break;
case 'c':
ldfile_open_command_file (optarg);
parser_input = input_mri_script;
yyparse ();
break;
case OPTION_CALL_SHARED:
input_flags.dynamic = TRUE;
break;
case OPTION_NON_SHARED:
input_flags.dynamic = FALSE;
break;
case OPTION_CREF:
command_line.cref = TRUE;
link_info.notice_all = TRUE;
break;
case 'd':
command_line.force_common_definition = TRUE;
break;
case OPTION_FORCE_GROUP_ALLOCATION:
command_line.force_group_allocation = TRUE;
break;
case OPTION_DEFSYM:
lex_string = optarg;
lex_redirect (optarg, "--defsym", ++defsym_count);
parser_input = input_defsym;
yyparse ();
lex_string = NULL;
break;
case OPTION_DEMANGLE:
demangling = TRUE;
if (optarg != NULL)
{
enum demangling_styles style;
style = cplus_demangle_name_to_style (optarg);
if (style == unknown_demangling)
einfo (_("%F%P: unknown demangling style `%s'\n"),
optarg);
cplus_demangle_set_style (style);
}
break;
case 'I': /* Used on Solaris. */
case OPTION_DYNAMIC_LINKER:
command_line.interpreter = optarg;
link_info.nointerp = 0;
break;
case OPTION_NO_DYNAMIC_LINKER:
link_info.nointerp = 1;
break;
case OPTION_SYSROOT:
/* Already handled in ldmain.c. */
break;
case OPTION_EB:
command_line.endian = ENDIAN_BIG;
break;
case OPTION_EL:
command_line.endian = ENDIAN_LITTLE;
break;
case OPTION_EMBEDDED_RELOCS:
command_line.embedded_relocs = TRUE;
break;
case OPTION_EXPORT_DYNAMIC:
case 'E': /* HP/UX compatibility. */
link_info.export_dynamic = TRUE;
break;
case OPTION_NO_EXPORT_DYNAMIC:
link_info.export_dynamic = FALSE;
break;
case 'e':
lang_add_entry (optarg, TRUE);
break;
case 'f':
if (command_line.auxiliary_filters == NULL)
{
command_line.auxiliary_filters = (char **)
xmalloc (2 * sizeof (char *));
command_line.auxiliary_filters[0] = optarg;
command_line.auxiliary_filters[1] = NULL;
}
else
{
int c;
char **p;
c = 0;
for (p = command_line.auxiliary_filters; *p != NULL; p++)
++c;
command_line.auxiliary_filters = (char **)
xrealloc (command_line.auxiliary_filters,
(c + 2) * sizeof (char *));
command_line.auxiliary_filters[c] = optarg;
command_line.auxiliary_filters[c + 1] = NULL;
}
break;
case 'F':
command_line.filter_shlib = optarg;
break;
case OPTION_FORCE_EXE_SUFFIX:
command_line.force_exe_suffix = TRUE;
break;
case 'G':
{
char *end;
g_switch_value = strtoul (optarg, &end, 0);
if (*end)
einfo (_("%F%P: invalid number `%s'\n"), optarg);
}
break;
case 'g':
/* Ignore. */
break;
case OPTION_GC_SECTIONS:
link_info.gc_sections = TRUE;
break;
case OPTION_PRINT_GC_SECTIONS:
link_info.print_gc_sections = TRUE;
break;
case OPTION_GC_KEEP_EXPORTED:
link_info.gc_keep_exported = TRUE;
break;
case OPTION_HELP:
help ();
xexit (0);
break;
case 'L':
ldfile_add_library_path (optarg, TRUE);
break;
case 'l':
lang_add_input_file (optarg, lang_input_file_is_l_enum, NULL);
break;
case 'M':
config.map_filename = "-";
break;
case 'm':
/* Ignore. Was handled in a pre-parse. */
break;
case OPTION_MAP:
config.map_filename = optarg;
break;
case 'N':
config.text_read_only = FALSE;
config.magic_demand_paged = FALSE;
input_flags.dynamic = FALSE;
break;
case OPTION_NO_OMAGIC:
config.text_read_only = TRUE;
config.magic_demand_paged = TRUE;
/* NB/ Does not set input_flags.dynamic to TRUE.
Use --call-shared or -Bdynamic for this. */
break;
case 'n':
config.magic_demand_paged = FALSE;
input_flags.dynamic = FALSE;
break;
case OPTION_NO_DEFINE_COMMON:
link_info.inhibit_common_definition = TRUE;
break;
case OPTION_NO_DEMANGLE:
demangling = FALSE;
break;
case OPTION_NO_GC_SECTIONS:
link_info.gc_sections = FALSE;
break;
case OPTION_NO_PRINT_GC_SECTIONS:
link_info.print_gc_sections = FALSE;
break;
case OPTION_NO_KEEP_MEMORY:
link_info.keep_memory = FALSE;
break;
case OPTION_NO_UNDEFINED:
link_info.unresolved_syms_in_objects
= how_to_report_unresolved_symbols;
break;
case OPTION_ALLOW_SHLIB_UNDEFINED:
link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
break;
case OPTION_NO_ALLOW_SHLIB_UNDEFINED:
link_info.unresolved_syms_in_shared_libs
= how_to_report_unresolved_symbols;
break;
case OPTION_UNRESOLVED_SYMBOLS:
if (strcmp (optarg, "ignore-all") == 0)
{
link_info.unresolved_syms_in_objects = RM_IGNORE;
link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
}
else if (strcmp (optarg, "report-all") == 0)
{
link_info.unresolved_syms_in_objects
= how_to_report_unresolved_symbols;
link_info.unresolved_syms_in_shared_libs
= how_to_report_unresolved_symbols;
}
else if (strcmp (optarg, "ignore-in-object-files") == 0)
{
link_info.unresolved_syms_in_objects = RM_IGNORE;
link_info.unresolved_syms_in_shared_libs
= how_to_report_unresolved_symbols;
}
else if (strcmp (optarg, "ignore-in-shared-libs") == 0)
{
link_info.unresolved_syms_in_objects
= how_to_report_unresolved_symbols;
link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
}
else
einfo (_("%F%P: bad --unresolved-symbols option: %s\n"), optarg);
break;
case OPTION_WARN_UNRESOLVED_SYMBOLS:
how_to_report_unresolved_symbols = RM_GENERATE_WARNING;
if (link_info.unresolved_syms_in_objects == RM_GENERATE_ERROR)
link_info.unresolved_syms_in_objects = RM_GENERATE_WARNING;
if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_ERROR)
link_info.unresolved_syms_in_shared_libs = RM_GENERATE_WARNING;
break;
case OPTION_ERROR_UNRESOLVED_SYMBOLS:
how_to_report_unresolved_symbols = RM_GENERATE_ERROR;
if (link_info.unresolved_syms_in_objects == RM_GENERATE_WARNING)
link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_WARNING)