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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [ld/] [lexsup.c] - Blame information for rev 164

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1 145 khays
/* Parse options for the GNU linker.
2
   Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
3
   2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011
4
   Free Software Foundation, Inc.
5
 
6
   This file is part of the GNU Binutils.
7
 
8
   This program is free software; you can redistribute it and/or modify
9
   it under the terms of the GNU General Public License as published by
10
   the Free Software Foundation; either version 3 of the License, or
11
   (at your option) any later version.
12
 
13
   This program is distributed in the hope that it will be useful,
14
   but WITHOUT ANY WARRANTY; without even the implied warranty of
15
   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16
   GNU General Public License for more details.
17
 
18
   You should have received a copy of the GNU General Public License
19
   along with this program; if not, write to the Free Software
20
   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21
   MA 02110-1301, USA.  */
22
 
23
#include "sysdep.h"
24
#include "bfd.h"
25
#include "bfdver.h"
26
#include "libiberty.h"
27
#include <stdio.h>
28
#include <string.h>
29
#include "safe-ctype.h"
30
#include "getopt.h"
31
#include "bfdlink.h"
32
#include "ld.h"
33
#include "ldmain.h"
34
#include "ldmisc.h"
35
#include "ldexp.h"
36
#include "ldlang.h"
37
#include <ldgram.h>
38
#include "ldlex.h"
39
#include "ldfile.h"
40
#include "ldver.h"
41
#include "ldemul.h"
42
#include "demangle.h"
43
#ifdef ENABLE_PLUGINS
44
#include "plugin.h"
45
#endif /* ENABLE_PLUGINS */
46
 
47
#ifndef PATH_SEPARATOR
48
#if defined (__MSDOS__) || (defined (_WIN32) && ! defined (__CYGWIN32__))
49
#define PATH_SEPARATOR ';'
50
#else
51
#define PATH_SEPARATOR ':'
52
#endif
53
#endif
54
 
55
/* Somewhere above, sys/stat.h got included . . . .  */
56
#if !defined(S_ISDIR) && defined(S_IFDIR)
57
#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
58
#endif
59
 
60
static void set_default_dirlist (char *);
61
static void set_section_start (char *, char *);
62
static void set_segment_start (const char *, char *);
63
static void help (void);
64
 
65
/* Non-zero if we are processing a --defsym from the command line.  */
66
int parsing_defsym = 0;
67
 
68
/* Codes used for the long options with no short synonyms.  150 isn't
69
   special; it's just an arbitrary non-ASCII char value.  */
70
enum option_values
71
{
72
  OPTION_ASSERT = 150,
73
  OPTION_CALL_SHARED,
74
  OPTION_CREF,
75
  OPTION_DEFSYM,
76
  OPTION_DEMANGLE,
77
  OPTION_DYNAMIC_LINKER,
78
  OPTION_SYSROOT,
79
  OPTION_EB,
80
  OPTION_EL,
81
  OPTION_EMBEDDED_RELOCS,
82
  OPTION_EXPORT_DYNAMIC,
83
  OPTION_NO_EXPORT_DYNAMIC,
84
  OPTION_HELP,
85
  OPTION_IGNORE,
86
  OPTION_MAP,
87
  OPTION_NO_DEMANGLE,
88
  OPTION_NO_KEEP_MEMORY,
89
  OPTION_NO_WARN_MISMATCH,
90
  OPTION_NO_WARN_SEARCH_MISMATCH,
91
  OPTION_NOINHIBIT_EXEC,
92
  OPTION_NON_SHARED,
93
  OPTION_NO_WHOLE_ARCHIVE,
94
  OPTION_OFORMAT,
95
  OPTION_RELAX,
96
  OPTION_NO_RELAX,
97
  OPTION_RETAIN_SYMBOLS_FILE,
98
  OPTION_RPATH,
99
  OPTION_RPATH_LINK,
100
  OPTION_SHARED,
101
  OPTION_SONAME,
102
  OPTION_SORT_COMMON,
103
  OPTION_SORT_SECTION,
104
  OPTION_STATS,
105
  OPTION_SYMBOLIC,
106
  OPTION_SYMBOLIC_FUNCTIONS,
107
  OPTION_TASK_LINK,
108
  OPTION_TBSS,
109
  OPTION_TDATA,
110
  OPTION_TTEXT,
111
  OPTION_TTEXT_SEGMENT,
112
  OPTION_TRADITIONAL_FORMAT,
113
  OPTION_UR,
114
  OPTION_VERBOSE,
115
  OPTION_VERSION,
116
  OPTION_VERSION_SCRIPT,
117
  OPTION_VERSION_EXPORTS_SECTION,
118
  OPTION_DYNAMIC_LIST,
119
  OPTION_DYNAMIC_LIST_CPP_NEW,
120
  OPTION_DYNAMIC_LIST_CPP_TYPEINFO,
121
  OPTION_DYNAMIC_LIST_DATA,
122
  OPTION_WARN_COMMON,
123
  OPTION_WARN_CONSTRUCTORS,
124
  OPTION_WARN_FATAL,
125
  OPTION_NO_WARN_FATAL,
126
  OPTION_WARN_MULTIPLE_GP,
127
  OPTION_WARN_ONCE,
128
  OPTION_WARN_SECTION_ALIGN,
129
  OPTION_SPLIT_BY_RELOC,
130
  OPTION_SPLIT_BY_FILE ,
131
  OPTION_WHOLE_ARCHIVE,
132
  OPTION_ADD_DT_NEEDED_FOR_DYNAMIC,
133
  OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC,
134
  OPTION_ADD_DT_NEEDED_FOR_REGULAR,
135
  OPTION_NO_ADD_DT_NEEDED_FOR_REGULAR,
136
  OPTION_WRAP,
137
  OPTION_FORCE_EXE_SUFFIX,
138
  OPTION_GC_SECTIONS,
139
  OPTION_NO_GC_SECTIONS,
140
  OPTION_PRINT_GC_SECTIONS,
141
  OPTION_NO_PRINT_GC_SECTIONS,
142
  OPTION_HASH_SIZE,
143
  OPTION_CHECK_SECTIONS,
144
  OPTION_NO_CHECK_SECTIONS,
145
  OPTION_NO_UNDEFINED,
146
  OPTION_INIT,
147
  OPTION_FINI,
148
  OPTION_SECTION_START,
149
  OPTION_UNIQUE,
150
  OPTION_TARGET_HELP,
151
  OPTION_ALLOW_SHLIB_UNDEFINED,
152
  OPTION_NO_ALLOW_SHLIB_UNDEFINED,
153
  OPTION_ALLOW_MULTIPLE_DEFINITION,
154
  OPTION_NO_UNDEFINED_VERSION,
155
  OPTION_DEFAULT_SYMVER,
156
  OPTION_DEFAULT_IMPORTED_SYMVER,
157
  OPTION_DISCARD_NONE,
158
  OPTION_SPARE_DYNAMIC_TAGS,
159
  OPTION_NO_DEFINE_COMMON,
160
  OPTION_NOSTDLIB,
161
  OPTION_NO_OMAGIC,
162
  OPTION_STRIP_DISCARDED,
163
  OPTION_NO_STRIP_DISCARDED,
164
  OPTION_ACCEPT_UNKNOWN_INPUT_ARCH,
165
  OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH,
166
  OPTION_PIE,
167
  OPTION_UNRESOLVED_SYMBOLS,
168
  OPTION_WARN_UNRESOLVED_SYMBOLS,
169
  OPTION_ERROR_UNRESOLVED_SYMBOLS,
170
  OPTION_WARN_SHARED_TEXTREL,
171
  OPTION_WARN_ALTERNATE_EM,
172
  OPTION_REDUCE_MEMORY_OVERHEADS,
173
#ifdef ENABLE_PLUGINS
174
  OPTION_PLUGIN,
175
  OPTION_PLUGIN_OPT,
176
#endif /* ENABLE_PLUGINS */
177
  OPTION_DEFAULT_SCRIPT,
178 157 khays
  OPTION_PRINT_OUTPUT_FORMAT,
179 145 khays
};
180
 
181
/* The long options.  This structure is used for both the option
182
   parsing and the help text.  */
183
 
184
enum control_enum {
185
  /* Use one dash before long option name.  */
186
  ONE_DASH,
187
  /* Use two dashes before long option name.  */
188
  TWO_DASHES,
189
  /* Only accept two dashes before the long option name.
190
     This is an overloading of the use of this enum, since originally it
191
     was only intended to tell the --help display function how to display
192
     the long option name.  This feature was added in order to resolve
193
     the confusion about the -omagic command line switch.  Is it setting
194
     the output file name to "magic" or is it setting the NMAGIC flag on
195
     the output ?  It has been decided that it is setting the output file
196
     name, and that if you want to set the NMAGIC flag you should use -N
197
     or --omagic.  */
198
  EXACTLY_TWO_DASHES,
199
  /* Don't mention this option in --help output.  */
200
  NO_HELP
201
};
202
 
203
struct ld_option
204
{
205
  /* The long option information.  */
206
  struct option opt;
207
  /* The short option with the same meaning ('\0' if none).  */
208
  char shortopt;
209
  /* The name of the argument (NULL if none).  */
210
  const char *arg;
211
  /* The documentation string.  If this is NULL, this is a synonym for
212
     the previous option.  */
213
  const char *doc;
214
  enum control_enum control;
215
};
216
 
217
static const struct ld_option ld_options[] =
218
{
219
  { {NULL, required_argument, NULL, '\0'},
220
    'a', N_("KEYWORD"), N_("Shared library control for HP/UX compatibility"),
221
    ONE_DASH },
222
  { {"architecture", required_argument, NULL, 'A'},
223
    'A', N_("ARCH"), N_("Set architecture") , TWO_DASHES },
224
  { {"format", required_argument, NULL, 'b'},
225
    'b', N_("TARGET"), N_("Specify target for following input files"),
226
    TWO_DASHES },
227
  { {"mri-script", required_argument, NULL, 'c'},
228
    'c', N_("FILE"), N_("Read MRI format linker script"), TWO_DASHES },
229
  { {"dc", no_argument, NULL, 'd'},
230
    'd', NULL, N_("Force common symbols to be defined"), ONE_DASH },
231
  { {"dp", no_argument, NULL, 'd'},
232
    '\0', NULL, NULL, ONE_DASH },
233
  { {"entry", required_argument, NULL, 'e'},
234
    'e', N_("ADDRESS"), N_("Set start address"), TWO_DASHES },
235
  { {"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC},
236
    'E', NULL, N_("Export all dynamic symbols"), TWO_DASHES },
237
  { {"no-export-dynamic", no_argument, NULL, OPTION_NO_EXPORT_DYNAMIC},
238
    '\0', NULL, N_("Undo the effect of --export-dynamic"), TWO_DASHES },
239
  { {"EB", no_argument, NULL, OPTION_EB},
240
    '\0', NULL, N_("Link big-endian objects"), ONE_DASH },
241
  { {"EL", no_argument, NULL, OPTION_EL},
242
    '\0', NULL, N_("Link little-endian objects"), ONE_DASH },
243
  { {"auxiliary", required_argument, NULL, 'f'},
244
    'f', N_("SHLIB"), N_("Auxiliary filter for shared object symbol table"),
245
    TWO_DASHES },
246
  { {"filter", required_argument, NULL, 'F'},
247
    'F', N_("SHLIB"), N_("Filter for shared object symbol table"),
248
    TWO_DASHES },
249
  { {NULL, no_argument, NULL, '\0'},
250
    'g', NULL, N_("Ignored"), ONE_DASH },
251
  { {"gpsize", required_argument, NULL, 'G'},
252
    'G', N_("SIZE"), N_("Small data size (if no size, same as --shared)"),
253
    TWO_DASHES },
254
  { {"soname", required_argument, NULL, OPTION_SONAME},
255
    'h', N_("FILENAME"), N_("Set internal name of shared library"), ONE_DASH },
256
  { {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
257
    'I', N_("PROGRAM"), N_("Set PROGRAM as the dynamic linker to use"),
258
    TWO_DASHES },
259
  { {"library", required_argument, NULL, 'l'},
260
    'l', N_("LIBNAME"), N_("Search for library LIBNAME"), TWO_DASHES },
261
  { {"library-path", required_argument, NULL, 'L'},
262
    'L', N_("DIRECTORY"), N_("Add DIRECTORY to library search path"),
263
    TWO_DASHES },
264
  { {"sysroot=<DIRECTORY>", required_argument, NULL, OPTION_SYSROOT},
265
    '\0', NULL, N_("Override the default sysroot location"), TWO_DASHES },
266
  { {NULL, required_argument, NULL, '\0'},
267
    'm', N_("EMULATION"), N_("Set emulation"), ONE_DASH },
268
  { {"print-map", no_argument, NULL, 'M'},
269
    'M', NULL, N_("Print map file on standard output"), TWO_DASHES },
270
  { {"nmagic", no_argument, NULL, 'n'},
271
    'n', NULL, N_("Do not page align data"), TWO_DASHES },
272
  { {"omagic", no_argument, NULL, 'N'},
273
    'N', NULL, N_("Do not page align data, do not make text readonly"),
274
    EXACTLY_TWO_DASHES },
275
  { {"no-omagic", no_argument, NULL, OPTION_NO_OMAGIC},
276
    '\0', NULL, N_("Page align data, make text readonly"),
277
    EXACTLY_TWO_DASHES },
278
  { {"output", required_argument, NULL, 'o'},
279
    'o', N_("FILE"), N_("Set output file name"), EXACTLY_TWO_DASHES },
280
  { {NULL, required_argument, NULL, '\0'},
281
    'O', NULL, N_("Optimize output file"), ONE_DASH },
282
#ifdef ENABLE_PLUGINS
283
  { {"plugin", required_argument, NULL, OPTION_PLUGIN},
284
    '\0', N_("PLUGIN"), N_("Load named plugin"), ONE_DASH },
285
  { {"plugin-opt", required_argument, NULL, OPTION_PLUGIN_OPT},
286
    '\0', N_("ARG"), N_("Send arg to last-loaded plugin"), ONE_DASH },
287
  { {"flto", optional_argument, NULL, OPTION_IGNORE},
288
    '\0', NULL, N_("Ignored for GCC LTO option compatibility"),
289
    ONE_DASH },
290
  { {"flto-partition=", required_argument, NULL, OPTION_IGNORE},
291
    '\0', NULL, N_("Ignored for GCC LTO option compatibility"),
292
    ONE_DASH },
293
#endif /* ENABLE_PLUGINS */
294
  { {"Qy", no_argument, NULL, OPTION_IGNORE},
295
    '\0', NULL, N_("Ignored for SVR4 compatibility"), ONE_DASH },
296
  { {"emit-relocs", no_argument, NULL, 'q'},
297
    'q', NULL, "Generate relocations in final output", TWO_DASHES },
298
  { {"relocatable", no_argument, NULL, 'r'},
299
    'r', NULL, N_("Generate relocatable output"), TWO_DASHES },
300
  { {NULL, no_argument, NULL, '\0'},
301
    'i', NULL, NULL, ONE_DASH },
302
  { {"just-symbols", required_argument, NULL, 'R'},
303
    'R', N_("FILE"), N_("Just link symbols (if directory, same as --rpath)"),
304
    TWO_DASHES },
305
  { {"strip-all", no_argument, NULL, 's'},
306
    's', NULL, N_("Strip all symbols"), TWO_DASHES },
307
  { {"strip-debug", no_argument, NULL, 'S'},
308
    'S', NULL, N_("Strip debugging symbols"), TWO_DASHES },
309
  { {"strip-discarded", no_argument, NULL, OPTION_STRIP_DISCARDED},
310
    '\0', NULL, N_("Strip symbols in discarded sections"), TWO_DASHES },
311
  { {"no-strip-discarded", no_argument, NULL, OPTION_NO_STRIP_DISCARDED},
312
    '\0', NULL, N_("Do not strip symbols in discarded sections"), TWO_DASHES },
313
  { {"trace", no_argument, NULL, 't'},
314
    't', NULL, N_("Trace file opens"), TWO_DASHES },
315
  { {"script", required_argument, NULL, 'T'},
316
    'T', N_("FILE"), N_("Read linker script"), TWO_DASHES },
317
  { {"default-script", required_argument, NULL, OPTION_DEFAULT_SCRIPT},
318
    '\0', N_("FILE"), N_("Read default linker script"), TWO_DASHES },
319
  { {"dT", required_argument, NULL, OPTION_DEFAULT_SCRIPT},
320
    '\0', NULL, NULL, ONE_DASH },
321
  { {"undefined", required_argument, NULL, 'u'},
322
    'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"),
323
    TWO_DASHES },
324
  { {"unique", optional_argument, NULL, OPTION_UNIQUE},
325
    '\0', N_("[=SECTION]"),
326
    N_("Don't merge input [SECTION | orphan] sections"), TWO_DASHES },
327
  { {"Ur", no_argument, NULL, OPTION_UR},
328
    '\0', NULL, N_("Build global constructor/destructor tables"), ONE_DASH },
329
  { {"version", no_argument, NULL, OPTION_VERSION},
330
    'v', NULL, N_("Print version information"), TWO_DASHES },
331
  { {NULL, no_argument, NULL, '\0'},
332
    'V', NULL, N_("Print version and emulation information"), ONE_DASH },
333
  { {"discard-all", no_argument, NULL, 'x'},
334
    'x', NULL, N_("Discard all local symbols"), TWO_DASHES },
335
  { {"discard-locals", no_argument, NULL, 'X'},
336
    'X', NULL, N_("Discard temporary local symbols (default)"), TWO_DASHES },
337
  { {"discard-none", no_argument, NULL, OPTION_DISCARD_NONE},
338
    '\0', NULL, N_("Don't discard any local symbols"), TWO_DASHES },
339
  { {"trace-symbol", required_argument, NULL, 'y'},
340
    'y', N_("SYMBOL"), N_("Trace mentions of SYMBOL"), TWO_DASHES },
341
  { {NULL, required_argument, NULL, '\0'},
342
    'Y', N_("PATH"), N_("Default search path for Solaris compatibility"),
343
    ONE_DASH },
344
  { {"start-group", no_argument, NULL, '('},
345
    '(', NULL, N_("Start a group"), TWO_DASHES },
346
  { {"end-group", no_argument, NULL, ')'},
347
    ')', NULL, N_("End a group"), TWO_DASHES },
348
  { {"accept-unknown-input-arch", no_argument, NULL,
349
     OPTION_ACCEPT_UNKNOWN_INPUT_ARCH},
350
    '\0', NULL,
351
    N_("Accept input files whose architecture cannot be determined"),
352
    TWO_DASHES },
353
  { {"no-accept-unknown-input-arch", no_argument, NULL,
354
     OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH},
355
    '\0', NULL, N_("Reject input files whose architecture is unknown"),
356
    TWO_DASHES },
357
 
358
  /* The next two options are deprecated because of their similarity to
359
     --as-needed and --no-as-needed.  They have been replaced by
360
     --copy-dt-needed-entries and --no-copy-dt-needed-entries.  */
361
  { {"add-needed", no_argument, NULL, OPTION_ADD_DT_NEEDED_FOR_DYNAMIC},
362
    '\0', NULL, NULL, NO_HELP },
363
  { {"no-add-needed", no_argument, NULL, OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC},
364
    '\0', NULL, NULL, NO_HELP },
365
 
366
  { {"as-needed", no_argument, NULL, OPTION_ADD_DT_NEEDED_FOR_REGULAR},
367
    '\0', NULL, N_("Only set DT_NEEDED for following dynamic libs if used"),
368
    TWO_DASHES },
369
  { {"no-as-needed", no_argument, NULL, OPTION_NO_ADD_DT_NEEDED_FOR_REGULAR},
370
    '\0', NULL, N_("Always set DT_NEEDED for dynamic libraries mentioned on\n"
371
                   "                                the command line"),
372
    TWO_DASHES },
373
  { {"assert", required_argument, NULL, OPTION_ASSERT},
374
    '\0', N_("KEYWORD"), N_("Ignored for SunOS compatibility"), ONE_DASH },
375
  { {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
376
    '\0', NULL, N_("Link against shared libraries"), ONE_DASH },
377
  { {"dy", no_argument, NULL, OPTION_CALL_SHARED},
378
    '\0', NULL, NULL, ONE_DASH },
379
  { {"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
380
    '\0', NULL, NULL, ONE_DASH },
381
  { {"Bstatic", no_argument, NULL, OPTION_NON_SHARED},
382
    '\0', NULL, N_("Do not link against shared libraries"), ONE_DASH },
383
  { {"dn", no_argument, NULL, OPTION_NON_SHARED},
384
    '\0', NULL, NULL, ONE_DASH },
385
  { {"non_shared", no_argument, NULL, OPTION_NON_SHARED},
386
    '\0', NULL, NULL, ONE_DASH },
387
  { {"static", no_argument, NULL, OPTION_NON_SHARED},
388
    '\0', NULL, NULL, ONE_DASH },
389
  { {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC},
390
    '\0', NULL, N_("Bind global references locally"), ONE_DASH },
391
  { {"Bsymbolic-functions", no_argument, NULL, OPTION_SYMBOLIC_FUNCTIONS},
392
    '\0', NULL, N_("Bind global function references locally"), ONE_DASH },
393
  { {"check-sections", no_argument, NULL, OPTION_CHECK_SECTIONS},
394
    '\0', NULL, N_("Check section addresses for overlaps (default)"),
395
    TWO_DASHES },
396
  { {"no-check-sections", no_argument, NULL, OPTION_NO_CHECK_SECTIONS},
397
    '\0', NULL, N_("Do not check section addresses for overlaps"),
398
    TWO_DASHES },
399
  { {"copy-dt-needed-entries", no_argument, NULL,
400
     OPTION_ADD_DT_NEEDED_FOR_DYNAMIC},
401
    '\0', NULL, N_("Copy DT_NEEDED links mentioned inside DSOs that follow"),
402
    TWO_DASHES },
403
  { {"no-copy-dt-needed-entries", no_argument, NULL,
404
     OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC},
405
    '\0', NULL, N_("Do not copy DT_NEEDED links mentioned inside DSOs that follow"),
406
    TWO_DASHES },
407
 
408
  { {"cref", no_argument, NULL, OPTION_CREF},
409
    '\0', NULL, N_("Output cross reference table"), TWO_DASHES },
410
  { {"defsym", required_argument, NULL, OPTION_DEFSYM},
411
    '\0', N_("SYMBOL=EXPRESSION"), N_("Define a symbol"), TWO_DASHES },
412
  { {"demangle", optional_argument, NULL, OPTION_DEMANGLE},
413
    '\0', N_("[=STYLE]"), N_("Demangle symbol names [using STYLE]"),
414
    TWO_DASHES },
415
  { {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
416
    '\0', NULL, N_("Generate embedded relocs"), TWO_DASHES},
417
  { {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL},
418
    '\0', NULL, N_("Treat warnings as errors"),
419
    TWO_DASHES },
420
  { {"no-fatal-warnings", no_argument, NULL, OPTION_NO_WARN_FATAL},
421
    '\0', NULL, N_("Do not treat warnings as errors (default)"),
422
    TWO_DASHES },
423
  { {"fini", required_argument, NULL, OPTION_FINI},
424
    '\0', N_("SYMBOL"), N_("Call SYMBOL at unload-time"), ONE_DASH },
425
  { {"force-exe-suffix", no_argument, NULL, OPTION_FORCE_EXE_SUFFIX},
426
    '\0', NULL, N_("Force generation of file with .exe suffix"), TWO_DASHES},
427
  { {"gc-sections", no_argument, NULL, OPTION_GC_SECTIONS},
428
    '\0', NULL, N_("Remove unused sections (on some targets)"),
429
    TWO_DASHES },
430
  { {"no-gc-sections", no_argument, NULL, OPTION_NO_GC_SECTIONS},
431
    '\0', NULL, N_("Don't remove unused sections (default)"),
432
    TWO_DASHES },
433
  { {"print-gc-sections", no_argument, NULL, OPTION_PRINT_GC_SECTIONS},
434
    '\0', NULL, N_("List removed unused sections on stderr"),
435
    TWO_DASHES },
436
  { {"no-print-gc-sections", no_argument, NULL, OPTION_NO_PRINT_GC_SECTIONS},
437
    '\0', NULL, N_("Do not list removed unused sections"),
438
    TWO_DASHES },
439
  { {"hash-size=<NUMBER>", required_argument, NULL, OPTION_HASH_SIZE},
440
    '\0', NULL, N_("Set default hash table size close to <NUMBER>"),
441
    TWO_DASHES },
442
  { {"help", no_argument, NULL, OPTION_HELP},
443
    '\0', NULL, N_("Print option help"), TWO_DASHES },
444
  { {"init", required_argument, NULL, OPTION_INIT},
445
    '\0', N_("SYMBOL"), N_("Call SYMBOL at load-time"), ONE_DASH },
446
  { {"Map", required_argument, NULL, OPTION_MAP},
447
    '\0', N_("FILE"), N_("Write a map file"), ONE_DASH },
448
  { {"no-define-common", no_argument, NULL, OPTION_NO_DEFINE_COMMON},
449
    '\0', NULL, N_("Do not define Common storage"), TWO_DASHES },
450
  { {"no-demangle", no_argument, NULL, OPTION_NO_DEMANGLE },
451
    '\0', NULL, N_("Do not demangle symbol names"), TWO_DASHES },
452
  { {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
453
    '\0', NULL, N_("Use less memory and more disk I/O"), TWO_DASHES },
454
  { {"no-undefined", no_argument, NULL, OPTION_NO_UNDEFINED},
455
    '\0', NULL, N_("Do not allow unresolved references in object files"),
456
    TWO_DASHES },
457
  { {"allow-shlib-undefined", no_argument, NULL, OPTION_ALLOW_SHLIB_UNDEFINED},
458
    '\0', NULL, N_("Allow unresolved references in shared libraries"),
459
    TWO_DASHES },
460
  { {"no-allow-shlib-undefined", no_argument, NULL,
461
     OPTION_NO_ALLOW_SHLIB_UNDEFINED},
462
    '\0', NULL, N_("Do not allow unresolved references in shared libs"),
463
    TWO_DASHES },
464
  { {"allow-multiple-definition", no_argument, NULL,
465
     OPTION_ALLOW_MULTIPLE_DEFINITION},
466
    '\0', NULL, N_("Allow multiple definitions"), TWO_DASHES },
467
  { {"no-undefined-version", no_argument, NULL, OPTION_NO_UNDEFINED_VERSION},
468
    '\0', NULL, N_("Disallow undefined version"), TWO_DASHES },
469
  { {"default-symver", no_argument, NULL, OPTION_DEFAULT_SYMVER},
470
    '\0', NULL, N_("Create default symbol version"), TWO_DASHES },
471
  { {"default-imported-symver", no_argument, NULL,
472
      OPTION_DEFAULT_IMPORTED_SYMVER},
473
    '\0', NULL, N_("Create default symbol version for imported symbols"),
474
    TWO_DASHES },
475
  { {"no-warn-mismatch", no_argument, NULL, OPTION_NO_WARN_MISMATCH},
476
    '\0', NULL, N_("Don't warn about mismatched input files"), TWO_DASHES},
477
  { {"no-warn-search-mismatch", no_argument, NULL,
478
     OPTION_NO_WARN_SEARCH_MISMATCH},
479
    '\0', NULL, N_("Don't warn on finding an incompatible library"),
480
    TWO_DASHES},
481
  { {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
482
    '\0', NULL, N_("Turn off --whole-archive"), TWO_DASHES },
483
  { {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
484
    '\0', NULL, N_("Create an output file even if errors occur"),
485
    TWO_DASHES },
486
  { {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
487
    '\0', NULL, NULL, NO_HELP },
488
  { {"nostdlib", no_argument, NULL, OPTION_NOSTDLIB},
489
    '\0', NULL, N_("Only use library directories specified on\n"
490
                   "                                the command line"),
491
    ONE_DASH },
492
  { {"oformat", required_argument, NULL, OPTION_OFORMAT},
493
    '\0', N_("TARGET"), N_("Specify target of output file"),
494
    EXACTLY_TWO_DASHES },
495 157 khays
  { {"print-output-format", no_argument, NULL, OPTION_PRINT_OUTPUT_FORMAT},
496
    '\0', NULL, N_("Print default output format"), TWO_DASHES },
497 145 khays
  { {"qmagic", no_argument, NULL, OPTION_IGNORE},
498
    '\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH },
499
  { {"reduce-memory-overheads", no_argument, NULL,
500
     OPTION_REDUCE_MEMORY_OVERHEADS},
501
    '\0', NULL, N_("Reduce memory overheads, possibly taking much longer"),
502
    TWO_DASHES },
503
  { {"relax", no_argument, NULL, OPTION_RELAX},
504
    '\0', NULL, N_("Reduce code size by using target specific optimizations"), TWO_DASHES },
505
  { {"no-relax", no_argument, NULL, OPTION_NO_RELAX},
506
    '\0', NULL, N_("Do not use relaxation techniques to reduce code size"), TWO_DASHES },
507
  { {"retain-symbols-file", required_argument, NULL,
508
     OPTION_RETAIN_SYMBOLS_FILE},
509
    '\0', N_("FILE"), N_("Keep only symbols listed in FILE"), TWO_DASHES },
510
  { {"rpath", required_argument, NULL, OPTION_RPATH},
511
    '\0', N_("PATH"), N_("Set runtime shared library search path"), ONE_DASH },
512
  { {"rpath-link", required_argument, NULL, OPTION_RPATH_LINK},
513
    '\0', N_("PATH"), N_("Set link time shared library search path"),
514
    ONE_DASH },
515
  { {"shared", no_argument, NULL, OPTION_SHARED},
516
    '\0', NULL, N_("Create a shared library"), ONE_DASH },
517
  { {"Bshareable", no_argument, NULL, OPTION_SHARED }, /* FreeBSD.  */
518
    '\0', NULL, NULL, ONE_DASH },
519
  { {"pie", no_argument, NULL, OPTION_PIE},
520
    '\0', NULL, N_("Create a position independent executable"), ONE_DASH },
521
  { {"pic-executable", no_argument, NULL, OPTION_PIE},
522
    '\0', NULL, NULL, TWO_DASHES },
523
  { {"sort-common", optional_argument, NULL, OPTION_SORT_COMMON},
524
    '\0', N_("[=ascending|descending]"),
525
    N_("Sort common symbols by alignment [in specified order]"),
526
    TWO_DASHES },
527
  { {"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
528
    '\0', NULL, NULL, NO_HELP },
529
  { {"sort-section", required_argument, NULL, OPTION_SORT_SECTION},
530
    '\0', N_("name|alignment"),
531
    N_("Sort sections by name or maximum alignment"), TWO_DASHES },
532
  { {"spare-dynamic-tags", required_argument, NULL, OPTION_SPARE_DYNAMIC_TAGS},
533
    '\0', N_("COUNT"), N_("How many tags to reserve in .dynamic section"),
534
    TWO_DASHES },
535
  { {"split-by-file", optional_argument, NULL, OPTION_SPLIT_BY_FILE},
536
    '\0', N_("[=SIZE]"), N_("Split output sections every SIZE octets"),
537
    TWO_DASHES },
538
  { {"split-by-reloc", optional_argument, NULL, OPTION_SPLIT_BY_RELOC},
539
    '\0', N_("[=COUNT]"), N_("Split output sections every COUNT relocs"),
540
    TWO_DASHES },
541
  { {"stats", no_argument, NULL, OPTION_STATS},
542
    '\0', NULL, N_("Print memory usage statistics"), TWO_DASHES },
543
  { {"target-help", no_argument, NULL, OPTION_TARGET_HELP},
544
    '\0', NULL, N_("Display target specific options"), TWO_DASHES },
545
  { {"task-link", required_argument, NULL, OPTION_TASK_LINK},
546
    '\0', N_("SYMBOL"), N_("Do task level linking"), TWO_DASHES },
547
  { {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
548
    '\0', NULL, N_("Use same format as native linker"), TWO_DASHES },
549
  { {"section-start", required_argument, NULL, OPTION_SECTION_START},
550
    '\0', N_("SECTION=ADDRESS"), N_("Set address of named section"),
551
    TWO_DASHES },
552
  { {"Tbss", required_argument, NULL, OPTION_TBSS},
553
    '\0', N_("ADDRESS"), N_("Set address of .bss section"), ONE_DASH },
554
  { {"Tdata", required_argument, NULL, OPTION_TDATA},
555
    '\0', N_("ADDRESS"), N_("Set address of .data section"), ONE_DASH },
556
  { {"Ttext", required_argument, NULL, OPTION_TTEXT},
557
    '\0', N_("ADDRESS"), N_("Set address of .text section"), ONE_DASH },
558
  { {"Ttext-segment", required_argument, NULL, OPTION_TTEXT_SEGMENT},
559
    '\0', N_("ADDRESS"), N_("Set address of text segment"), ONE_DASH },
560
  { {"unresolved-symbols=<method>", required_argument, NULL,
561
     OPTION_UNRESOLVED_SYMBOLS},
562
    '\0', NULL, N_("How to handle unresolved symbols.  <method> is:\n"
563
                   "                                ignore-all, report-all, ignore-in-object-files,\n"
564
                   "                                ignore-in-shared-libs"),
565
    TWO_DASHES },
566
  { {"verbose", optional_argument, NULL, OPTION_VERBOSE},
567
    '\0', N_("[=NUMBER]"),
568
    N_("Output lots of information during link"), TWO_DASHES },
569
  { {"dll-verbose", no_argument, NULL, OPTION_VERBOSE}, /* Linux.  */
570
    '\0', NULL, NULL, NO_HELP },
571
  { {"version-script", required_argument, NULL, OPTION_VERSION_SCRIPT },
572
    '\0', N_("FILE"), N_("Read version information script"), TWO_DASHES },
573
  { {"version-exports-section", required_argument, NULL,
574
     OPTION_VERSION_EXPORTS_SECTION },
575
    '\0', N_("SYMBOL"), N_("Take export symbols list from .exports, using\n"
576
                           "                                SYMBOL as the version."),
577
    TWO_DASHES },
578
  { {"dynamic-list-data", no_argument, NULL, OPTION_DYNAMIC_LIST_DATA},
579
    '\0', NULL, N_("Add data symbols to dynamic list"), TWO_DASHES },
580
  { {"dynamic-list-cpp-new", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_NEW},
581
    '\0', NULL, N_("Use C++ operator new/delete dynamic list"), TWO_DASHES },
582
  { {"dynamic-list-cpp-typeinfo", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_TYPEINFO},
583
    '\0', NULL, N_("Use C++ typeinfo dynamic list"), TWO_DASHES },
584
  { {"dynamic-list", required_argument, NULL, OPTION_DYNAMIC_LIST},
585
    '\0', N_("FILE"), N_("Read dynamic list"), TWO_DASHES },
586
  { {"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
587
    '\0', NULL, N_("Warn about duplicate common symbols"), TWO_DASHES },
588
  { {"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS},
589
    '\0', NULL, N_("Warn if global constructors/destructors are seen"),
590
    TWO_DASHES },
591
  { {"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP},
592
    '\0', NULL, N_("Warn if the multiple GP values are used"), TWO_DASHES },
593
  { {"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
594
    '\0', NULL, N_("Warn only once per undefined symbol"), TWO_DASHES },
595
  { {"warn-section-align", no_argument, NULL, OPTION_WARN_SECTION_ALIGN},
596
    '\0', NULL, N_("Warn if start of section changes due to alignment"),
597
    TWO_DASHES },
598
  { {"warn-shared-textrel", no_argument, NULL, OPTION_WARN_SHARED_TEXTREL},
599
    '\0', NULL, N_("Warn if shared object has DT_TEXTREL"),
600
    TWO_DASHES },
601
  { {"warn-alternate-em", no_argument, NULL, OPTION_WARN_ALTERNATE_EM},
602
    '\0', NULL, N_("Warn if an object has alternate ELF machine code"),
603
    TWO_DASHES },
604
  { {"warn-unresolved-symbols", no_argument, NULL,
605
     OPTION_WARN_UNRESOLVED_SYMBOLS},
606
    '\0', NULL, N_("Report unresolved symbols as warnings"), TWO_DASHES },
607
  { {"error-unresolved-symbols", no_argument, NULL,
608
     OPTION_ERROR_UNRESOLVED_SYMBOLS},
609
    '\0', NULL, N_("Report unresolved symbols as errors"), TWO_DASHES },
610
  { {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
611
    '\0', NULL, N_("Include all objects from following archives"),
612
    TWO_DASHES },
613
  { {"wrap", required_argument, NULL, OPTION_WRAP},
614
    '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES },
615
};
616
 
617
#define OPTION_COUNT ARRAY_SIZE (ld_options)
618
 
619
void
620
parse_args (unsigned argc, char **argv)
621
{
622
  unsigned i;
623
  int is, il, irl;
624
  int ingroup = 0;
625
  char *default_dirlist = NULL;
626
  char *shortopts;
627
  struct option *longopts;
628
  struct option *really_longopts;
629
  int last_optind;
630
  enum report_method how_to_report_unresolved_symbols = RM_GENERATE_ERROR;
631
 
632
  shortopts = (char *) xmalloc (OPTION_COUNT * 3 + 2);
633
  longopts = (struct option *)
634
      xmalloc (sizeof (*longopts) * (OPTION_COUNT + 1));
635
  really_longopts = (struct option *)
636
      malloc (sizeof (*really_longopts) * (OPTION_COUNT + 1));
637
 
638
  /* Starting the short option string with '-' is for programs that
639
     expect options and other ARGV-elements in any order and that care about
640
     the ordering of the two.  We describe each non-option ARGV-element
641
     as if it were the argument of an option with character code 1.  */
642
  shortopts[0] = '-';
643
  is = 1;
644
  il = 0;
645
  irl = 0;
646
  for (i = 0; i < OPTION_COUNT; i++)
647
    {
648
      if (ld_options[i].shortopt != '\0')
649
        {
650
          shortopts[is] = ld_options[i].shortopt;
651
          ++is;
652
          if (ld_options[i].opt.has_arg == required_argument
653
              || ld_options[i].opt.has_arg == optional_argument)
654
            {
655
              shortopts[is] = ':';
656
              ++is;
657
              if (ld_options[i].opt.has_arg == optional_argument)
658
                {
659
                  shortopts[is] = ':';
660
                  ++is;
661
                }
662
            }
663
        }
664
      if (ld_options[i].opt.name != NULL)
665
        {
666
          if (ld_options[i].control == EXACTLY_TWO_DASHES)
667
            {
668
              really_longopts[irl] = ld_options[i].opt;
669
              ++irl;
670
            }
671
          else
672
            {
673
              longopts[il] = ld_options[i].opt;
674
              ++il;
675
            }
676
        }
677
    }
678
  shortopts[is] = '\0';
679
  longopts[il].name = NULL;
680
  really_longopts[irl].name = NULL;
681
 
682
  ldemul_add_options (is, &shortopts, il, &longopts, irl, &really_longopts);
683
 
684
  /* The -G option is ambiguous on different platforms.  Sometimes it
685
     specifies the largest data size to put into the small data
686
     section.  Sometimes it is equivalent to --shared.  Unfortunately,
687
     the first form takes an argument, while the second does not.
688
 
689
     We need to permit the --shared form because on some platforms,
690
     such as Solaris, gcc -shared will pass -G to the linker.
691
 
692
     To permit either usage, we look through the argument list.  If we
693
     find -G not followed by a number, we change it into --shared.
694
     This will work for most normal cases.  */
695
  for (i = 1; i < argc; i++)
696
    if (strcmp (argv[i], "-G") == 0
697
        && (i + 1 >= argc
698
            || ! ISDIGIT (argv[i + 1][0])))
699
      argv[i] = (char *) "--shared";
700
 
701
  /* Because we permit long options to start with a single dash, and
702
     we have a --library option, and the -l option is conventionally
703
     used with an immediately following argument, we can have bad
704
     results if somebody tries to use -l with a library whose name
705
     happens to start with "ibrary", as in -li.  We avoid problems by
706
     simply turning -l into --library.  This means that users will
707
     have to use two dashes in order to use --library, which is OK
708
     since that's how it is documented.
709
 
710
     FIXME: It's possible that this problem can arise for other short
711
     options as well, although the user does always have the recourse
712
     of adding a space between the option and the argument.  */
713
  for (i = 1; i < argc; i++)
714
    {
715
      if (argv[i][0] == '-'
716
          && argv[i][1] == 'l'
717
          && argv[i][2] != '\0')
718
        {
719
          char *n;
720
 
721
          n = (char *) xmalloc (strlen (argv[i]) + 20);
722
          sprintf (n, "--library=%s", argv[i] + 2);
723
          argv[i] = n;
724
        }
725
    }
726
 
727
  last_optind = -1;
728
  while (1)
729
    {
730
      int longind;
731
      int optc;
732
 
733
      /* Using last_optind lets us avoid calling ldemul_parse_args
734
         multiple times on a single option, which would lead to
735
         confusion in the internal static variables maintained by
736
         getopt.  This could otherwise happen for an argument like
737
         -nx, in which the -n is parsed as a single option, and we
738
         loop around to pick up the -x.  */
739
      if (optind != last_optind)
740
        if (ldemul_parse_args (argc, argv))
741
          continue;
742
 
743
      /* getopt_long_only is like getopt_long, but '-' as well as '--'
744
         can indicate a long option.  */
745
      opterr = 0;
746
      last_optind = optind;
747
      optc = getopt_long_only (argc, argv, shortopts, longopts, &longind);
748
      if (optc == '?')
749
        {
750
          optind = last_optind;
751
          optc = getopt_long (argc, argv, "-", really_longopts, &longind);
752
        }
753
 
754
      if (ldemul_handle_option (optc))
755
        continue;
756
 
757
      if (optc == -1)
758
        break;
759
 
760
      switch (optc)
761
        {
762
        case '?':
763
          einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]);
764
          /* Fall through.  */
765
 
766
        default:
767
          einfo (_("%P%F: use the --help option for usage information\n"));
768
 
769
        case 1:                 /* File name.  */
770
          lang_add_input_file (optarg, lang_input_file_is_file_enum, NULL);
771
          break;
772
 
773
        case OPTION_IGNORE:
774
          break;
775
        case 'a':
776
          /* For HP/UX compatibility.  Actually -a shared should mean
777
             ``use only shared libraries'' but, then, we don't
778
             currently support shared libraries on HP/UX anyhow.  */
779
          if (strcmp (optarg, "archive") == 0)
780
            config.dynamic_link = FALSE;
781
          else if (strcmp (optarg, "shared") == 0
782
                   || strcmp (optarg, "default") == 0)
783
            config.dynamic_link = TRUE;
784
          else
785
            einfo (_("%P%F: unrecognized -a option `%s'\n"), optarg);
786
          break;
787
        case OPTION_ASSERT:
788
          /* FIXME: We just ignore these, but we should handle them.  */
789
          if (strcmp (optarg, "definitions") == 0)
790
            ;
791
          else if (strcmp (optarg, "nodefinitions") == 0)
792
            ;
793
          else if (strcmp (optarg, "nosymbolic") == 0)
794
            ;
795
          else if (strcmp (optarg, "pure-text") == 0)
796
            ;
797
          else
798
            einfo (_("%P%F: unrecognized -assert option `%s'\n"), optarg);
799
          break;
800
        case 'A':
801
          ldfile_add_arch (optarg);
802
          break;
803
        case 'b':
804
          lang_add_target (optarg);
805
          break;
806
        case 'c':
807
          ldfile_open_command_file (optarg);
808
          parser_input = input_mri_script;
809
          yyparse ();
810
          break;
811
        case OPTION_CALL_SHARED:
812
          config.dynamic_link = TRUE;
813
          break;
814
        case OPTION_NON_SHARED:
815
          config.dynamic_link = FALSE;
816
          break;
817
        case OPTION_CREF:
818
          command_line.cref = TRUE;
819
          link_info.notice_all = TRUE;
820
          break;
821
        case 'd':
822
          command_line.force_common_definition = TRUE;
823
          break;
824
        case OPTION_DEFSYM:
825
          lex_string = optarg;
826
          lex_redirect (optarg);
827
          parser_input = input_defsym;
828
          parsing_defsym = 1;
829
          yyparse ();
830
          parsing_defsym = 0;
831
          lex_string = NULL;
832
          break;
833
        case OPTION_DEMANGLE:
834
          demangling = TRUE;
835
          if (optarg != NULL)
836
            {
837
              enum demangling_styles style;
838
 
839
              style = cplus_demangle_name_to_style (optarg);
840
              if (style == unknown_demangling)
841
                einfo (_("%F%P: unknown demangling style `%s'"),
842
                       optarg);
843
 
844
              cplus_demangle_set_style (style);
845
            }
846
          break;
847
        case 'I':               /* Used on Solaris.  */
848
        case OPTION_DYNAMIC_LINKER:
849
          command_line.interpreter = optarg;
850
          break;
851
        case OPTION_SYSROOT:
852
          /* Already handled in ldmain.c.  */
853
          break;
854
        case OPTION_EB:
855
          command_line.endian = ENDIAN_BIG;
856
          break;
857
        case OPTION_EL:
858
          command_line.endian = ENDIAN_LITTLE;
859
          break;
860
        case OPTION_EMBEDDED_RELOCS:
861
          command_line.embedded_relocs = TRUE;
862
          break;
863
        case OPTION_EXPORT_DYNAMIC:
864
        case 'E': /* HP/UX compatibility.  */
865
          link_info.export_dynamic = TRUE;
866
          break;
867
        case OPTION_NO_EXPORT_DYNAMIC:
868
          link_info.export_dynamic = FALSE;
869
          break;
870
        case 'e':
871
          lang_add_entry (optarg, TRUE);
872
          break;
873
        case 'f':
874
          if (command_line.auxiliary_filters == NULL)
875
            {
876
              command_line.auxiliary_filters = (char **)
877
                  xmalloc (2 * sizeof (char *));
878
              command_line.auxiliary_filters[0] = optarg;
879
              command_line.auxiliary_filters[1] = NULL;
880
            }
881
          else
882
            {
883
              int c;
884
              char **p;
885
 
886
              c = 0;
887
              for (p = command_line.auxiliary_filters; *p != NULL; p++)
888
                ++c;
889
              command_line.auxiliary_filters = (char **)
890
                  xrealloc (command_line.auxiliary_filters,
891
                            (c + 2) * sizeof (char *));
892
              command_line.auxiliary_filters[c] = optarg;
893
              command_line.auxiliary_filters[c + 1] = NULL;
894
            }
895
          break;
896
        case 'F':
897
          command_line.filter_shlib = optarg;
898
          break;
899
        case OPTION_FORCE_EXE_SUFFIX:
900
          command_line.force_exe_suffix = TRUE;
901
          break;
902
        case 'G':
903
          {
904
            char *end;
905
            g_switch_value = strtoul (optarg, &end, 0);
906
            if (*end)
907
              einfo (_("%P%F: invalid number `%s'\n"), optarg);
908
          }
909
          break;
910
        case 'g':
911
          /* Ignore.  */
912
          break;
913
        case OPTION_GC_SECTIONS:
914
          link_info.gc_sections = TRUE;
915
          break;
916
        case OPTION_PRINT_GC_SECTIONS:
917
          link_info.print_gc_sections = TRUE;
918
          break;
919
        case OPTION_HELP:
920
          help ();
921
          xexit (0);
922
          break;
923
        case 'L':
924
          ldfile_add_library_path (optarg, TRUE);
925
          break;
926
        case 'l':
927
          lang_add_input_file (optarg, lang_input_file_is_l_enum, NULL);
928
          break;
929
        case 'M':
930
          config.map_filename = "-";
931
          break;
932
        case 'm':
933
          /* Ignore.  Was handled in a pre-parse.   */
934
          break;
935
        case OPTION_MAP:
936
          config.map_filename = optarg;
937
          break;
938
        case 'N':
939
          config.text_read_only = FALSE;
940
          config.magic_demand_paged = FALSE;
941
          config.dynamic_link = FALSE;
942
          break;
943
        case OPTION_NO_OMAGIC:
944
          config.text_read_only = TRUE;
945
          config.magic_demand_paged = TRUE;
946
          /* NB/ Does not set dynamic_link to TRUE.
947
             Use --call-shared or -Bdynamic for this.  */
948
          break;
949
        case 'n':
950
          config.magic_demand_paged = FALSE;
951
          config.dynamic_link = FALSE;
952
          break;
953
        case OPTION_NO_DEFINE_COMMON:
954
          command_line.inhibit_common_definition = TRUE;
955
          break;
956
        case OPTION_NO_DEMANGLE:
957
          demangling = FALSE;
958
          break;
959
        case OPTION_NO_GC_SECTIONS:
960
          link_info.gc_sections = FALSE;
961
          break;
962
        case OPTION_NO_PRINT_GC_SECTIONS:
963
          link_info.print_gc_sections = FALSE;
964
          break;
965
        case OPTION_NO_KEEP_MEMORY:
966
          link_info.keep_memory = FALSE;
967
          break;
968
        case OPTION_NO_UNDEFINED:
969
          link_info.unresolved_syms_in_objects
970
            = how_to_report_unresolved_symbols;
971
          break;
972
        case OPTION_ALLOW_SHLIB_UNDEFINED:
973
          link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
974
          break;
975
        case OPTION_NO_ALLOW_SHLIB_UNDEFINED:
976
          link_info.unresolved_syms_in_shared_libs
977
            = how_to_report_unresolved_symbols;
978
          break;
979
        case OPTION_UNRESOLVED_SYMBOLS:
980
          if (strcmp (optarg, "ignore-all") == 0)
981
            {
982
              link_info.unresolved_syms_in_objects = RM_IGNORE;
983
              link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
984
            }
985
          else if (strcmp (optarg, "report-all") == 0)
986
            {
987
              link_info.unresolved_syms_in_objects
988
                = how_to_report_unresolved_symbols;
989
              link_info.unresolved_syms_in_shared_libs
990
                = how_to_report_unresolved_symbols;
991
            }
992
          else if (strcmp (optarg, "ignore-in-object-files") == 0)
993
            {
994
              link_info.unresolved_syms_in_objects = RM_IGNORE;
995
              link_info.unresolved_syms_in_shared_libs
996
                = how_to_report_unresolved_symbols;
997
            }
998
          else if (strcmp (optarg, "ignore-in-shared-libs") == 0)
999
            {
1000
              link_info.unresolved_syms_in_objects
1001
                = how_to_report_unresolved_symbols;
1002
              link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
1003
            }
1004
          else
1005
            einfo (_("%P%F: bad --unresolved-symbols option: %s\n"), optarg);
1006
          break;
1007
        case OPTION_WARN_UNRESOLVED_SYMBOLS:
1008
          how_to_report_unresolved_symbols = RM_GENERATE_WARNING;
1009
          if (link_info.unresolved_syms_in_objects == RM_GENERATE_ERROR)
1010
            link_info.unresolved_syms_in_objects = RM_GENERATE_WARNING;
1011
          if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_ERROR)
1012
            link_info.unresolved_syms_in_shared_libs = RM_GENERATE_WARNING;
1013
          break;
1014
 
1015
        case OPTION_ERROR_UNRESOLVED_SYMBOLS:
1016
          how_to_report_unresolved_symbols = RM_GENERATE_ERROR;
1017
          if (link_info.unresolved_syms_in_objects == RM_GENERATE_WARNING)
1018
            link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
1019
          if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_WARNING)
1020
            link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR;
1021
          break;
1022
        case OPTION_ALLOW_MULTIPLE_DEFINITION:
1023
          link_info.allow_multiple_definition = TRUE;
1024
          break;
1025
        case OPTION_NO_UNDEFINED_VERSION:
1026
          link_info.allow_undefined_version = FALSE;
1027
          break;
1028
        case OPTION_DEFAULT_SYMVER:
1029
          link_info.create_default_symver = TRUE;
1030
          break;
1031
        case OPTION_DEFAULT_IMPORTED_SYMVER:
1032
          link_info.default_imported_symver = TRUE;
1033
          break;
1034
        case OPTION_NO_WARN_MISMATCH:
1035
          command_line.warn_mismatch = FALSE;
1036
          break;
1037
        case OPTION_NO_WARN_SEARCH_MISMATCH:
1038
          command_line.warn_search_mismatch = FALSE;
1039
          break;
1040
        case OPTION_NOINHIBIT_EXEC:
1041
          force_make_executable = TRUE;
1042
          break;
1043
        case OPTION_NOSTDLIB:
1044
          config.only_cmd_line_lib_dirs = TRUE;
1045
          break;
1046
        case OPTION_NO_WHOLE_ARCHIVE:
1047
          whole_archive = FALSE;
1048
          break;
1049
        case 'O':
1050
          /* FIXME "-O<non-digits> <value>" used to set the address of
1051
             section <non-digits>.  Was this for compatibility with
1052
             something, or can we create a new option to do that
1053
             (with a syntax similar to -defsym)?
1054
             getopt can't handle two args to an option without kludges.  */
1055
 
1056
          /* Enable optimizations of output files.  */
1057
          link_info.optimize = strtoul (optarg, NULL, 0) ? TRUE : FALSE;
1058
          break;
1059
        case 'o':
1060
          lang_add_output (optarg, 0);
1061
          break;
1062
        case OPTION_OFORMAT:
1063
          lang_add_output_format (optarg, NULL, NULL, 0);
1064
          break;
1065 157 khays
        case OPTION_PRINT_OUTPUT_FORMAT:
1066
          command_line.print_output_format = TRUE;
1067
          break;
1068 145 khays
#ifdef ENABLE_PLUGINS
1069
        case OPTION_PLUGIN:
1070
          if (plugin_opt_plugin (optarg))
1071
            einfo (_("%P%F: %s: error loading plugin\n"),
1072
                   plugin_error_plugin ());
1073
          break;
1074
        case OPTION_PLUGIN_OPT:
1075
          if (plugin_opt_plugin_arg (optarg))
1076
            einfo(_("%P%F: bad -plugin-opt option\n"));
1077
          break;
1078
#endif /* ENABLE_PLUGINS */
1079
        case 'q':
1080
          link_info.emitrelocations = TRUE;
1081
          break;
1082
        case 'i':
1083
        case 'r':
1084
          if (optind == last_optind)
1085
            /* This can happen if the user put "-rpath,a" on the command
1086
               line.  (Or something similar.  The comma is important).
1087
               Getopt becomes confused and thinks that this is a -r option
1088
               but it cannot parse the text after the -r so it refuses to
1089
               increment the optind counter.  Detect this case and issue
1090
               an error message here.  We cannot just make this a warning,
1091
               increment optind, and continue because getopt is too confused
1092
               and will seg-fault the next time around.  */
1093
            einfo(_("%P%F: bad -rpath option\n"));
1094
 
1095
          link_info.relocatable = TRUE;
1096
          config.build_constructors = FALSE;
1097
          config.magic_demand_paged = FALSE;
1098
          config.text_read_only = FALSE;
1099
          config.dynamic_link = FALSE;
1100
          break;
1101
        case 'R':
1102
          /* The GNU linker traditionally uses -R to mean to include
1103
             only the symbols from a file.  The Solaris linker uses -R
1104
             to set the path used by the runtime linker to find
1105
             libraries.  This is the GNU linker -rpath argument.  We
1106
             try to support both simultaneously by checking the file
1107
             named.  If it is a directory, rather than a regular file,
1108
             we assume -rpath was meant.  */
1109
          {
1110
            struct stat s;
1111
 
1112
            if (stat (optarg, &s) >= 0
1113
                && ! S_ISDIR (s.st_mode))
1114
              {
1115
                lang_add_input_file (optarg,
1116
                                     lang_input_file_is_symbols_only_enum,
1117
                                     NULL);
1118
                break;
1119
              }
1120
          }
1121
          /* Fall through.  */
1122
        case OPTION_RPATH:
1123
          if (command_line.rpath == NULL)
1124
            command_line.rpath = xstrdup (optarg);
1125
          else
1126
            {
1127
              size_t rpath_len = strlen (command_line.rpath);
1128
              size_t optarg_len = strlen (optarg);
1129
              char *buf;
1130
              char *cp = command_line.rpath;
1131
 
1132
              /* First see whether OPTARG is already in the path.  */
1133
              do
1134
                {
1135
                  if (strncmp (optarg, cp, optarg_len) == 0
1136
                      && (cp[optarg_len] == 0
1137
                          || cp[optarg_len] == config.rpath_separator))
1138
                    /* We found it.  */
1139
                    break;
1140
 
1141
                  /* Not yet found.  */
1142
                  cp = strchr (cp, config.rpath_separator);
1143
                  if (cp != NULL)
1144
                    ++cp;
1145
                }
1146
              while (cp != NULL);
1147
 
1148
              if (cp == NULL)
1149
                {
1150
                  buf = (char *) xmalloc (rpath_len + optarg_len + 2);
1151
                  sprintf (buf, "%s%c%s", command_line.rpath,
1152
                           config.rpath_separator, optarg);
1153
                  free (command_line.rpath);
1154
                  command_line.rpath = buf;
1155
                }
1156
            }
1157
          break;
1158
        case OPTION_RPATH_LINK:
1159
          if (command_line.rpath_link == NULL)
1160
            command_line.rpath_link = xstrdup (optarg);
1161
          else
1162
            {
1163
              char *buf;
1164
 
1165
              buf = (char *) xmalloc (strlen (command_line.rpath_link)
1166
                                      + strlen (optarg)
1167
                                      + 2);
1168
              sprintf (buf, "%s%c%s", command_line.rpath_link,
1169
                       config.rpath_separator, optarg);
1170
              free (command_line.rpath_link);
1171
              command_line.rpath_link = buf;
1172
            }
1173
          break;
1174
        case OPTION_NO_RELAX:
1175
          DISABLE_RELAXATION;
1176
          break;
1177
        case OPTION_RELAX:
1178
          ENABLE_RELAXATION;
1179
          break;
1180
        case OPTION_RETAIN_SYMBOLS_FILE:
1181
          add_keepsyms_file (optarg);
1182
          break;
1183
        case 'S':
1184
          link_info.strip = strip_debugger;
1185
          break;
1186
        case 's':
1187
          link_info.strip = strip_all;
1188
          break;
1189
        case OPTION_STRIP_DISCARDED:
1190
          link_info.strip_discarded = TRUE;
1191
          break;
1192
        case OPTION_NO_STRIP_DISCARDED:
1193
          link_info.strip_discarded = FALSE;
1194
          break;
1195
        case OPTION_SHARED:
1196
          if (config.has_shared)
1197
            {
1198
              link_info.shared = TRUE;
1199
              /* When creating a shared library, the default
1200
                 behaviour is to ignore any unresolved references.  */
1201
              if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET)
1202
                link_info.unresolved_syms_in_objects = RM_IGNORE;
1203
              if (link_info.unresolved_syms_in_shared_libs == RM_NOT_YET_SET)
1204
                link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
1205
            }
1206
          else
1207
            einfo (_("%P%F: -shared not supported\n"));
1208
          break;
1209
        case OPTION_PIE:
1210
          if (config.has_shared)
1211
            {
1212
              link_info.shared = TRUE;
1213
              link_info.pie = TRUE;
1214
            }
1215
          else
1216
            einfo (_("%P%F: -pie not supported\n"));
1217
          break;
1218
        case 'h':               /* Used on Solaris.  */
1219
        case OPTION_SONAME:
1220
          command_line.soname = optarg;
1221
          break;
1222
        case OPTION_SORT_COMMON:
1223
          if (optarg == NULL
1224
              || strcmp (optarg, N_("descending")) == 0)
1225
            config.sort_common = sort_descending;
1226
          else if (strcmp (optarg, N_("ascending")) == 0)
1227
            config.sort_common = sort_ascending;
1228
          else
1229
            einfo (_("%P%F: invalid common section sorting option: %s\n"),
1230
                   optarg);
1231
          break;
1232
        case OPTION_SORT_SECTION:
1233
          if (strcmp (optarg, N_("name")) == 0)
1234
            sort_section = by_name;
1235
          else if (strcmp (optarg, N_("alignment")) == 0)
1236
            sort_section = by_alignment;
1237
          else
1238
            einfo (_("%P%F: invalid section sorting option: %s\n"),
1239
                   optarg);
1240
          break;
1241
        case OPTION_STATS:
1242
          config.stats = TRUE;
1243
          break;
1244
        case OPTION_SYMBOLIC:
1245
          command_line.symbolic = symbolic;
1246
          break;
1247
        case OPTION_SYMBOLIC_FUNCTIONS:
1248
          command_line.symbolic = symbolic_functions;
1249
          break;
1250
        case 't':
1251
          trace_files = TRUE;
1252
          break;
1253
        case 'T':
1254
          previous_script_handle = saved_script_handle;
1255
          ldfile_open_command_file (optarg);
1256
          parser_input = input_script;
1257
          yyparse ();
1258
          previous_script_handle = NULL;
1259
          break;
1260
        case OPTION_DEFAULT_SCRIPT:
1261
          command_line.default_script = optarg;
1262
          break;
1263
        case OPTION_SECTION_START:
1264
          {
1265
            char *optarg2;
1266
            char *sec_name;
1267
            int len;
1268
 
1269
            /* Check for <something>=<somthing>...  */
1270
            optarg2 = strchr (optarg, '=');
1271
            if (optarg2 == NULL)
1272
              einfo (_("%P%F: invalid argument to option"
1273
                       " \"--section-start\"\n"));
1274
 
1275
            optarg2++;
1276
 
1277
            /* So far so good.  Are all the args present?  */
1278
            if ((*optarg == '\0') || (*optarg2 == '\0'))
1279
              einfo (_("%P%F: missing argument(s) to option"
1280
                       " \"--section-start\"\n"));
1281
 
1282
            /* We must copy the section name as set_section_start
1283
               doesn't do it for us.  */
1284
            len = optarg2 - optarg;
1285
            sec_name = (char *) xmalloc (len);
1286
            memcpy (sec_name, optarg, len - 1);
1287
            sec_name[len - 1] = 0;
1288
 
1289
            /* Then set it...  */
1290
            set_section_start (sec_name, optarg2);
1291
          }
1292
          break;
1293
        case OPTION_TARGET_HELP:
1294
          /* Mention any target specific options.  */
1295
          ldemul_list_emulation_options (stdout);
1296
          exit (0);
1297
        case OPTION_TBSS:
1298
          set_segment_start (".bss", optarg);
1299
          break;
1300
        case OPTION_TDATA:
1301
          set_segment_start (".data", optarg);
1302
          break;
1303
        case OPTION_TTEXT:
1304
          set_segment_start (".text", optarg);
1305
          break;
1306
        case OPTION_TTEXT_SEGMENT:
1307
          set_segment_start (".text-segment", optarg);
1308
          break;
1309
        case OPTION_TRADITIONAL_FORMAT:
1310
          link_info.traditional_format = TRUE;
1311
          break;
1312
        case OPTION_TASK_LINK:
1313
          link_info.task_link = TRUE;
1314
          /* Fall through - do an implied -r option.  */
1315
        case OPTION_UR:
1316
          link_info.relocatable = TRUE;
1317
          config.build_constructors = TRUE;
1318
          config.magic_demand_paged = FALSE;
1319
          config.text_read_only = FALSE;
1320
          config.dynamic_link = FALSE;
1321
          break;
1322
        case 'u':
1323
          ldlang_add_undef (optarg, TRUE);
1324
          break;
1325
        case OPTION_UNIQUE:
1326
          if (optarg != NULL)
1327
            lang_add_unique (optarg);
1328
          else
1329
            config.unique_orphan_sections = TRUE;
1330
          break;
1331
        case OPTION_VERBOSE:
1332
          ldversion (1);
1333
          version_printed = TRUE;
1334
          trace_file_tries = TRUE;
1335
          overflow_cutoff_limit = -2;
1336
          if (optarg != NULL)
1337
            {
1338
              char *end;
1339
              int level ATTRIBUTE_UNUSED = strtoul (optarg, &end, 0);
1340
              if (*end)
1341
                einfo (_("%P%F: invalid number `%s'\n"), optarg);
1342
#ifdef ENABLE_PLUGINS
1343
              report_plugin_symbols = level > 1;
1344
#endif /* ENABLE_PLUGINS */
1345
            }
1346
          break;
1347
        case 'v':
1348
          ldversion (0);
1349
          version_printed = TRUE;
1350
          break;
1351
        case 'V':
1352
          ldversion (1);
1353
          version_printed = TRUE;
1354
          break;
1355
        case OPTION_VERSION:
1356
          ldversion (2);
1357
          xexit (0);
1358
          break;
1359
        case OPTION_VERSION_SCRIPT:
1360
          /* This option indicates a small script that only specifies
1361
             version information.  Read it, but don't assume that
1362
             we've seen a linker script.  */
1363
          {
1364
            FILE *hold_script_handle;
1365
 
1366
            hold_script_handle = saved_script_handle;
1367
            ldfile_open_command_file (optarg);
1368
            saved_script_handle = hold_script_handle;
1369
            parser_input = input_version_script;
1370
            yyparse ();
1371
          }
1372
          break;
1373
        case OPTION_VERSION_EXPORTS_SECTION:
1374
          /* This option records a version symbol to be applied to the
1375
             symbols listed for export to be found in the object files
1376
             .exports sections.  */
1377
          command_line.version_exports_section = optarg;
1378
          break;
1379
        case OPTION_DYNAMIC_LIST_DATA:
1380
          command_line.dynamic_list = dynamic_list_data;
1381
          if (command_line.symbolic == symbolic)
1382
            command_line.symbolic = symbolic_unset;
1383
          break;
1384
        case OPTION_DYNAMIC_LIST_CPP_TYPEINFO:
1385
          lang_append_dynamic_list_cpp_typeinfo ();
1386
          if (command_line.dynamic_list != dynamic_list_data)
1387
            command_line.dynamic_list = dynamic_list;
1388
          if (command_line.symbolic == symbolic)
1389
            command_line.symbolic = symbolic_unset;
1390
          break;
1391
        case OPTION_DYNAMIC_LIST_CPP_NEW:
1392
          lang_append_dynamic_list_cpp_new ();
1393
          if (command_line.dynamic_list != dynamic_list_data)
1394
            command_line.dynamic_list = dynamic_list;
1395
          if (command_line.symbolic == symbolic)
1396
            command_line.symbolic = symbolic_unset;
1397
          break;
1398
        case OPTION_DYNAMIC_LIST:
1399
          /* This option indicates a small script that only specifies
1400
             a dynamic list.  Read it, but don't assume that we've
1401
             seen a linker script.  */
1402
          {
1403
            FILE *hold_script_handle;
1404
 
1405
            hold_script_handle = saved_script_handle;
1406
            ldfile_open_command_file (optarg);
1407
            saved_script_handle = hold_script_handle;
1408
            parser_input = input_dynamic_list;
1409
            yyparse ();
1410
          }
1411
          if (command_line.dynamic_list != dynamic_list_data)
1412
            command_line.dynamic_list = dynamic_list;
1413
          if (command_line.symbolic == symbolic)
1414
            command_line.symbolic = symbolic_unset;
1415
          break;
1416
        case OPTION_WARN_COMMON:
1417
          config.warn_common = TRUE;
1418
          break;
1419
        case OPTION_WARN_CONSTRUCTORS:
1420
          config.warn_constructors = TRUE;
1421
          break;
1422
        case OPTION_WARN_FATAL:
1423
          config.fatal_warnings = TRUE;
1424
          break;
1425
        case OPTION_NO_WARN_FATAL:
1426
          config.fatal_warnings = FALSE;
1427
          break;
1428
        case OPTION_WARN_MULTIPLE_GP:
1429
          config.warn_multiple_gp = TRUE;
1430
          break;
1431
        case OPTION_WARN_ONCE:
1432
          config.warn_once = TRUE;
1433
          break;
1434
        case OPTION_WARN_SECTION_ALIGN:
1435
          config.warn_section_align = TRUE;
1436
          break;
1437
        case OPTION_WARN_SHARED_TEXTREL:
1438
          link_info.warn_shared_textrel = TRUE;
1439
          break;
1440
        case OPTION_WARN_ALTERNATE_EM:
1441
          link_info.warn_alternate_em = TRUE;
1442
          break;
1443
        case OPTION_WHOLE_ARCHIVE:
1444
          whole_archive = TRUE;
1445
          break;
1446
        case OPTION_ADD_DT_NEEDED_FOR_DYNAMIC:
1447
          add_DT_NEEDED_for_dynamic = TRUE;
1448
          break;
1449
        case OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC:
1450
          add_DT_NEEDED_for_dynamic = FALSE;
1451
          break;
1452
        case OPTION_ADD_DT_NEEDED_FOR_REGULAR:
1453
          add_DT_NEEDED_for_regular = TRUE;
1454
          break;
1455
        case OPTION_NO_ADD_DT_NEEDED_FOR_REGULAR:
1456
          add_DT_NEEDED_for_regular = FALSE;
1457
          break;
1458
        case OPTION_WRAP:
1459
          add_wrap (optarg);
1460
          break;
1461
        case OPTION_DISCARD_NONE:
1462
          link_info.discard = discard_none;
1463
          break;
1464
        case 'X':
1465
          link_info.discard = discard_l;
1466
          break;
1467
        case 'x':
1468
          link_info.discard = discard_all;
1469
          break;
1470
        case 'Y':
1471
          if (CONST_STRNEQ (optarg, "P,"))
1472
            optarg += 2;
1473
          if (default_dirlist != NULL)
1474
            free (default_dirlist);
1475
          default_dirlist = xstrdup (optarg);
1476
          break;
1477
        case 'y':
1478
          add_ysym (optarg);
1479
          break;
1480
        case OPTION_SPARE_DYNAMIC_TAGS:
1481
          link_info.spare_dynamic_tags = strtoul (optarg, NULL, 0);
1482
          break;
1483
        case OPTION_SPLIT_BY_RELOC:
1484
          if (optarg != NULL)
1485
            config.split_by_reloc = strtoul (optarg, NULL, 0);
1486
          else
1487
            config.split_by_reloc = 32768;
1488
          break;
1489
        case OPTION_SPLIT_BY_FILE:
1490
          if (optarg != NULL)
1491
            config.split_by_file = bfd_scan_vma (optarg, NULL, 0);
1492
          else
1493
            config.split_by_file = 1;
1494
          break;
1495
        case OPTION_CHECK_SECTIONS:
1496
          command_line.check_section_addresses = 1;
1497
          break;
1498
        case OPTION_NO_CHECK_SECTIONS:
1499
          command_line.check_section_addresses = 0;
1500
          break;
1501
        case OPTION_ACCEPT_UNKNOWN_INPUT_ARCH:
1502
          command_line.accept_unknown_input_arch = TRUE;
1503
          break;
1504
        case OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH:
1505
          command_line.accept_unknown_input_arch = FALSE;
1506
          break;
1507
        case '(':
1508
          lang_enter_group ();
1509
          ingroup++;
1510
          break;
1511
        case ')':
1512
          if (! ingroup)
1513
            einfo (_("%P%F: group ended before it began (--help for usage)\n"));
1514
 
1515
          lang_leave_group ();
1516
          ingroup--;
1517
          break;
1518
 
1519
        case OPTION_INIT:
1520
          link_info.init_function = optarg;
1521
          break;
1522
 
1523
        case OPTION_FINI:
1524
          link_info.fini_function = optarg;
1525
          break;
1526
 
1527
        case OPTION_REDUCE_MEMORY_OVERHEADS:
1528
          link_info.reduce_memory_overheads = TRUE;
1529
          if (config.hash_table_size == 0)
1530
            config.hash_table_size = 1021;
1531
          break;
1532
 
1533
        case OPTION_HASH_SIZE:
1534
          {
1535
            bfd_size_type new_size;
1536
 
1537
            new_size = strtoul (optarg, NULL, 0);
1538
            if (new_size)
1539
              config.hash_table_size = new_size;
1540
            else
1541
              einfo (_("%P%X: --hash-size needs a numeric argument\n"));
1542
          }
1543
          break;
1544
        }
1545
    }
1546
 
1547
  while (ingroup)
1548
    {
1549
      lang_leave_group ();
1550
      ingroup--;
1551
    }
1552
 
1553
  if (default_dirlist != NULL)
1554
    {
1555
      set_default_dirlist (default_dirlist);
1556
      free (default_dirlist);
1557
    }
1558
 
1559
  if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET)
1560
    /* FIXME: Should we allow emulations a chance to set this ?  */
1561
    link_info.unresolved_syms_in_objects = how_to_report_unresolved_symbols;
1562
 
1563
  if (link_info.unresolved_syms_in_shared_libs == RM_NOT_YET_SET)
1564
    /* FIXME: Should we allow emulations a chance to set this ?  */
1565
    link_info.unresolved_syms_in_shared_libs = how_to_report_unresolved_symbols;
1566
 
1567 163 khays
  if (link_info.relocatable)
1568
    {
1569
      if (command_line.check_section_addresses < 0)
1570
        command_line.check_section_addresses = 0;
1571
      if (link_info.shared)
1572
        einfo (_("%P%F: -r and -shared may not be used together\n"));
1573
    }
1574
 
1575
  /* We may have -Bsymbolic, -Bsymbolic-functions, --dynamic-list-data,
1576
     --dynamic-list-cpp-new, --dynamic-list-cpp-typeinfo and
1577
     --dynamic-list FILE.  -Bsymbolic and -Bsymbolic-functions are
1578
     for shared libraries.  -Bsymbolic overrides all others and vice
1579
     versa.  */
1580
  switch (command_line.symbolic)
1581
    {
1582
    case symbolic_unset:
1583
      break;
1584
    case symbolic:
1585
      /* -Bsymbolic is for shared library only.  */
1586
      if (link_info.shared)
1587
        {
1588
          link_info.symbolic = TRUE;
1589
          /* Should we free the unused memory?  */
1590
          link_info.dynamic_list = NULL;
1591
          command_line.dynamic_list = dynamic_list_unset;
1592
        }
1593
      break;
1594
    case symbolic_functions:
1595
      /* -Bsymbolic-functions is for shared library only.  */
1596
      if (link_info.shared)
1597
        command_line.dynamic_list = dynamic_list_data;
1598
      break;
1599
    }
1600
 
1601
  switch (command_line.dynamic_list)
1602
    {
1603
    case dynamic_list_unset:
1604
      break;
1605
    case dynamic_list_data:
1606
      link_info.dynamic_data = TRUE;
1607
    case dynamic_list:
1608
      link_info.dynamic = TRUE;
1609
      break;
1610
    }
1611
 
1612
  if (! link_info.shared)
1613
    {
1614
      if (command_line.filter_shlib)
1615
        einfo (_("%P%F: -F may not be used without -shared\n"));
1616
      if (command_line.auxiliary_filters)
1617
        einfo (_("%P%F: -f may not be used without -shared\n"));
1618
    }
1619
 
1620
  if (! link_info.shared || link_info.pie)
1621
    link_info.executable = TRUE;
1622
 
1623
  /* Treat ld -r -s as ld -r -S -x (i.e., strip all local symbols).  I
1624
     don't see how else this can be handled, since in this case we
1625
     must preserve all externally visible symbols.  */
1626
  if (link_info.relocatable && link_info.strip == strip_all)
1627
    {
1628
      link_info.strip = strip_debugger;
1629
      if (link_info.discard == discard_sec_merge)
1630
        link_info.discard = discard_all;
1631
    }
1632 145 khays
}
1633
 
1634
/* Add the (colon-separated) elements of DIRLIST_PTR to the
1635
   library search path.  */
1636
 
1637
static void
1638
set_default_dirlist (char *dirlist_ptr)
1639
{
1640
  char *p;
1641
 
1642
  while (1)
1643
    {
1644
      p = strchr (dirlist_ptr, PATH_SEPARATOR);
1645
      if (p != NULL)
1646
        *p = '\0';
1647
      if (*dirlist_ptr != '\0')
1648
        ldfile_add_library_path (dirlist_ptr, TRUE);
1649
      if (p == NULL)
1650
        break;
1651
      dirlist_ptr = p + 1;
1652
    }
1653
}
1654
 
1655
static void
1656
set_section_start (char *sect, char *valstr)
1657
{
1658
  const char *end;
1659
  bfd_vma val = bfd_scan_vma (valstr, &end, 16);
1660
  if (*end)
1661
    einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
1662
  lang_section_start (sect, exp_intop (val), NULL);
1663
}
1664
 
1665
static void
1666
set_segment_start (const char *section, char *valstr)
1667
{
1668
  const char *name;
1669
  const char *end;
1670
  segment_type *seg;
1671
 
1672
  bfd_vma val = bfd_scan_vma (valstr, &end, 16);
1673
  if (*end)
1674
    einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
1675
  /* If we already have an entry for this segment, update the existing
1676
     value.  */
1677
  name = section + 1;
1678
  for (seg = segments; seg; seg = seg->next)
1679
    if (strcmp (seg->name, name) == 0)
1680
      {
1681
        seg->value = val;
1682
        return;
1683
      }
1684
  /* There was no existing value so we must create a new segment
1685
     entry.  */
1686
  seg = (segment_type *) stat_alloc (sizeof (*seg));
1687
  seg->name = name;
1688
  seg->value = val;
1689
  seg->used = FALSE;
1690
  /* Add it to the linked list of segments.  */
1691
  seg->next = segments;
1692
  segments = seg;
1693
  /* Historically, -Ttext and friends set the base address of a
1694
     particular section.  For backwards compatibility, we still do
1695
     that.  If a SEGMENT_START directive is seen, the section address
1696
     assignment will be disabled.  */
1697
  lang_section_start (section, exp_intop (val), seg);
1698
}
1699
 
1700
 
1701
/* Print help messages for the options.  */
1702
 
1703
static void
1704
help (void)
1705
{
1706
  unsigned i;
1707
  const char **targets, **pp;
1708
  int len;
1709
 
1710
  printf (_("Usage: %s [options] file...\n"), program_name);
1711
 
1712
  printf (_("Options:\n"));
1713
  for (i = 0; i < OPTION_COUNT; i++)
1714
    {
1715
      if (ld_options[i].doc != NULL)
1716
        {
1717
          bfd_boolean comma;
1718
          unsigned j;
1719
 
1720
          printf ("  ");
1721
 
1722
          comma = FALSE;
1723
          len = 2;
1724
 
1725
          j = i;
1726
          do
1727
            {
1728
              if (ld_options[j].shortopt != '\0'
1729
                  && ld_options[j].control != NO_HELP)
1730
                {
1731
                  printf ("%s-%c", comma ? ", " : "", ld_options[j].shortopt);
1732
                  len += (comma ? 2 : 0) + 2;
1733
                  if (ld_options[j].arg != NULL)
1734
                    {
1735
                      if (ld_options[j].opt.has_arg != optional_argument)
1736
                        {
1737
                          printf (" ");
1738
                          ++len;
1739
                        }
1740
                      printf ("%s", _(ld_options[j].arg));
1741
                      len += strlen (_(ld_options[j].arg));
1742
                    }
1743
                  comma = TRUE;
1744
                }
1745
              ++j;
1746
            }
1747
          while (j < OPTION_COUNT && ld_options[j].doc == NULL);
1748
 
1749
          j = i;
1750
          do
1751
            {
1752
              if (ld_options[j].opt.name != NULL
1753
                  && ld_options[j].control != NO_HELP)
1754
                {
1755
                  int two_dashes =
1756
                    (ld_options[j].control == TWO_DASHES
1757
                     || ld_options[j].control == EXACTLY_TWO_DASHES);
1758
 
1759
                  printf ("%s-%s%s",
1760
                          comma ? ", " : "",
1761
                          two_dashes ? "-" : "",
1762
                          ld_options[j].opt.name);
1763
                  len += ((comma ? 2 : 0)
1764
                          + 1
1765
                          + (two_dashes ? 1 : 0)
1766
                          + strlen (ld_options[j].opt.name));
1767
                  if (ld_options[j].arg != NULL)
1768
                    {
1769
                      printf (" %s", _(ld_options[j].arg));
1770
                      len += 1 + strlen (_(ld_options[j].arg));
1771
                    }
1772
                  comma = TRUE;
1773
                }
1774
              ++j;
1775
            }
1776
          while (j < OPTION_COUNT && ld_options[j].doc == NULL);
1777
 
1778
          if (len >= 30)
1779
            {
1780
              printf ("\n");
1781
              len = 0;
1782
            }
1783
 
1784
          for (; len < 30; len++)
1785
            putchar (' ');
1786
 
1787
          printf ("%s\n", _(ld_options[i].doc));
1788
        }
1789
    }
1790
  printf (_("  @FILE"));
1791
  for (len = strlen ("  @FILE"); len < 30; len++)
1792
    putchar (' ');
1793
  printf (_("Read options from FILE\n"));
1794
 
1795
  /* Note: Various tools (such as libtool) depend upon the
1796
     format of the listings below - do not change them.  */
1797
  /* xgettext:c-format */
1798
  printf (_("%s: supported targets:"), program_name);
1799
  targets = bfd_target_list ();
1800
  for (pp = targets; *pp != NULL; pp++)
1801
    printf (" %s", *pp);
1802
  free (targets);
1803
  printf ("\n");
1804
 
1805
  /* xgettext:c-format */
1806
  printf (_("%s: supported emulations: "), program_name);
1807
  ldemul_list_emulations (stdout);
1808
  printf ("\n");
1809
 
1810
  /* xgettext:c-format */
1811
  printf (_("%s: emulation specific options:\n"), program_name);
1812
  ldemul_list_emulation_options (stdout);
1813
  printf ("\n");
1814
 
1815
  if (REPORT_BUGS_TO[0])
1816
    printf (_("Report bugs to %s\n"), REPORT_BUGS_TO);
1817
}

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