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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [ld/] [lexsup.c] - Blame information for rev 241

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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,
3 166 khays
   2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2011, 2012
4 145 khays
   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
/* Codes used for the long options with no short synonyms.  150 isn't
66
   special; it's just an arbitrary non-ASCII char value.  */
67
enum option_values
68
{
69
  OPTION_ASSERT = 150,
70
  OPTION_CALL_SHARED,
71
  OPTION_CREF,
72
  OPTION_DEFSYM,
73
  OPTION_DEMANGLE,
74
  OPTION_DYNAMIC_LINKER,
75
  OPTION_SYSROOT,
76
  OPTION_EB,
77
  OPTION_EL,
78
  OPTION_EMBEDDED_RELOCS,
79
  OPTION_EXPORT_DYNAMIC,
80
  OPTION_NO_EXPORT_DYNAMIC,
81
  OPTION_HELP,
82
  OPTION_IGNORE,
83
  OPTION_MAP,
84
  OPTION_NO_DEMANGLE,
85
  OPTION_NO_KEEP_MEMORY,
86
  OPTION_NO_WARN_MISMATCH,
87
  OPTION_NO_WARN_SEARCH_MISMATCH,
88
  OPTION_NOINHIBIT_EXEC,
89
  OPTION_NON_SHARED,
90
  OPTION_NO_WHOLE_ARCHIVE,
91
  OPTION_OFORMAT,
92
  OPTION_RELAX,
93
  OPTION_NO_RELAX,
94
  OPTION_RETAIN_SYMBOLS_FILE,
95
  OPTION_RPATH,
96
  OPTION_RPATH_LINK,
97
  OPTION_SHARED,
98
  OPTION_SONAME,
99
  OPTION_SORT_COMMON,
100
  OPTION_SORT_SECTION,
101
  OPTION_STATS,
102
  OPTION_SYMBOLIC,
103
  OPTION_SYMBOLIC_FUNCTIONS,
104
  OPTION_TASK_LINK,
105
  OPTION_TBSS,
106
  OPTION_TDATA,
107
  OPTION_TTEXT,
108
  OPTION_TTEXT_SEGMENT,
109
  OPTION_TRADITIONAL_FORMAT,
110
  OPTION_UR,
111
  OPTION_VERBOSE,
112
  OPTION_VERSION,
113
  OPTION_VERSION_SCRIPT,
114
  OPTION_VERSION_EXPORTS_SECTION,
115
  OPTION_DYNAMIC_LIST,
116
  OPTION_DYNAMIC_LIST_CPP_NEW,
117
  OPTION_DYNAMIC_LIST_CPP_TYPEINFO,
118
  OPTION_DYNAMIC_LIST_DATA,
119
  OPTION_WARN_COMMON,
120
  OPTION_WARN_CONSTRUCTORS,
121
  OPTION_WARN_FATAL,
122
  OPTION_NO_WARN_FATAL,
123
  OPTION_WARN_MULTIPLE_GP,
124
  OPTION_WARN_ONCE,
125
  OPTION_WARN_SECTION_ALIGN,
126
  OPTION_SPLIT_BY_RELOC,
127
  OPTION_SPLIT_BY_FILE ,
128
  OPTION_WHOLE_ARCHIVE,
129
  OPTION_ADD_DT_NEEDED_FOR_DYNAMIC,
130
  OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC,
131
  OPTION_ADD_DT_NEEDED_FOR_REGULAR,
132
  OPTION_NO_ADD_DT_NEEDED_FOR_REGULAR,
133
  OPTION_WRAP,
134
  OPTION_FORCE_EXE_SUFFIX,
135
  OPTION_GC_SECTIONS,
136
  OPTION_NO_GC_SECTIONS,
137
  OPTION_PRINT_GC_SECTIONS,
138
  OPTION_NO_PRINT_GC_SECTIONS,
139
  OPTION_HASH_SIZE,
140
  OPTION_CHECK_SECTIONS,
141
  OPTION_NO_CHECK_SECTIONS,
142
  OPTION_NO_UNDEFINED,
143
  OPTION_INIT,
144
  OPTION_FINI,
145
  OPTION_SECTION_START,
146
  OPTION_UNIQUE,
147
  OPTION_TARGET_HELP,
148
  OPTION_ALLOW_SHLIB_UNDEFINED,
149
  OPTION_NO_ALLOW_SHLIB_UNDEFINED,
150
  OPTION_ALLOW_MULTIPLE_DEFINITION,
151
  OPTION_NO_UNDEFINED_VERSION,
152
  OPTION_DEFAULT_SYMVER,
153
  OPTION_DEFAULT_IMPORTED_SYMVER,
154
  OPTION_DISCARD_NONE,
155
  OPTION_SPARE_DYNAMIC_TAGS,
156
  OPTION_NO_DEFINE_COMMON,
157
  OPTION_NOSTDLIB,
158
  OPTION_NO_OMAGIC,
159
  OPTION_STRIP_DISCARDED,
160
  OPTION_NO_STRIP_DISCARDED,
161
  OPTION_ACCEPT_UNKNOWN_INPUT_ARCH,
162
  OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH,
163
  OPTION_PIE,
164
  OPTION_UNRESOLVED_SYMBOLS,
165
  OPTION_WARN_UNRESOLVED_SYMBOLS,
166
  OPTION_ERROR_UNRESOLVED_SYMBOLS,
167
  OPTION_WARN_SHARED_TEXTREL,
168
  OPTION_WARN_ALTERNATE_EM,
169
  OPTION_REDUCE_MEMORY_OVERHEADS,
170
#ifdef ENABLE_PLUGINS
171
  OPTION_PLUGIN,
172
  OPTION_PLUGIN_OPT,
173
#endif /* ENABLE_PLUGINS */
174
  OPTION_DEFAULT_SCRIPT,
175 157 khays
  OPTION_PRINT_OUTPUT_FORMAT,
176 145 khays
};
177
 
178
/* The long options.  This structure is used for both the option
179
   parsing and the help text.  */
180
 
181
enum control_enum {
182
  /* Use one dash before long option name.  */
183
  ONE_DASH,
184
  /* Use two dashes before long option name.  */
185
  TWO_DASHES,
186
  /* Only accept two dashes before the long option name.
187
     This is an overloading of the use of this enum, since originally it
188
     was only intended to tell the --help display function how to display
189
     the long option name.  This feature was added in order to resolve
190
     the confusion about the -omagic command line switch.  Is it setting
191
     the output file name to "magic" or is it setting the NMAGIC flag on
192
     the output ?  It has been decided that it is setting the output file
193
     name, and that if you want to set the NMAGIC flag you should use -N
194
     or --omagic.  */
195
  EXACTLY_TWO_DASHES,
196
  /* Don't mention this option in --help output.  */
197
  NO_HELP
198
};
199
 
200
struct ld_option
201
{
202
  /* The long option information.  */
203
  struct option opt;
204
  /* The short option with the same meaning ('\0' if none).  */
205
  char shortopt;
206
  /* The name of the argument (NULL if none).  */
207
  const char *arg;
208
  /* The documentation string.  If this is NULL, this is a synonym for
209
     the previous option.  */
210
  const char *doc;
211
  enum control_enum control;
212
};
213
 
214
static const struct ld_option ld_options[] =
215
{
216
  { {NULL, required_argument, NULL, '\0'},
217
    'a', N_("KEYWORD"), N_("Shared library control for HP/UX compatibility"),
218
    ONE_DASH },
219
  { {"architecture", required_argument, NULL, 'A'},
220
    'A', N_("ARCH"), N_("Set architecture") , TWO_DASHES },
221
  { {"format", required_argument, NULL, 'b'},
222
    'b', N_("TARGET"), N_("Specify target for following input files"),
223
    TWO_DASHES },
224
  { {"mri-script", required_argument, NULL, 'c'},
225
    'c', N_("FILE"), N_("Read MRI format linker script"), TWO_DASHES },
226
  { {"dc", no_argument, NULL, 'd'},
227
    'd', NULL, N_("Force common symbols to be defined"), ONE_DASH },
228
  { {"dp", no_argument, NULL, 'd'},
229
    '\0', NULL, NULL, ONE_DASH },
230
  { {"entry", required_argument, NULL, 'e'},
231
    'e', N_("ADDRESS"), N_("Set start address"), TWO_DASHES },
232
  { {"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC},
233
    'E', NULL, N_("Export all dynamic symbols"), TWO_DASHES },
234
  { {"no-export-dynamic", no_argument, NULL, OPTION_NO_EXPORT_DYNAMIC},
235
    '\0', NULL, N_("Undo the effect of --export-dynamic"), TWO_DASHES },
236
  { {"EB", no_argument, NULL, OPTION_EB},
237
    '\0', NULL, N_("Link big-endian objects"), ONE_DASH },
238
  { {"EL", no_argument, NULL, OPTION_EL},
239
    '\0', NULL, N_("Link little-endian objects"), ONE_DASH },
240
  { {"auxiliary", required_argument, NULL, 'f'},
241
    'f', N_("SHLIB"), N_("Auxiliary filter for shared object symbol table"),
242
    TWO_DASHES },
243
  { {"filter", required_argument, NULL, 'F'},
244
    'F', N_("SHLIB"), N_("Filter for shared object symbol table"),
245
    TWO_DASHES },
246
  { {NULL, no_argument, NULL, '\0'},
247
    'g', NULL, N_("Ignored"), ONE_DASH },
248
  { {"gpsize", required_argument, NULL, 'G'},
249
    'G', N_("SIZE"), N_("Small data size (if no size, same as --shared)"),
250
    TWO_DASHES },
251
  { {"soname", required_argument, NULL, OPTION_SONAME},
252
    'h', N_("FILENAME"), N_("Set internal name of shared library"), ONE_DASH },
253
  { {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
254
    'I', N_("PROGRAM"), N_("Set PROGRAM as the dynamic linker to use"),
255
    TWO_DASHES },
256
  { {"library", required_argument, NULL, 'l'},
257
    'l', N_("LIBNAME"), N_("Search for library LIBNAME"), TWO_DASHES },
258
  { {"library-path", required_argument, NULL, 'L'},
259
    'L', N_("DIRECTORY"), N_("Add DIRECTORY to library search path"),
260
    TWO_DASHES },
261
  { {"sysroot=<DIRECTORY>", required_argument, NULL, OPTION_SYSROOT},
262
    '\0', NULL, N_("Override the default sysroot location"), TWO_DASHES },
263
  { {NULL, required_argument, NULL, '\0'},
264
    'm', N_("EMULATION"), N_("Set emulation"), ONE_DASH },
265
  { {"print-map", no_argument, NULL, 'M'},
266
    'M', NULL, N_("Print map file on standard output"), TWO_DASHES },
267
  { {"nmagic", no_argument, NULL, 'n'},
268
    'n', NULL, N_("Do not page align data"), TWO_DASHES },
269
  { {"omagic", no_argument, NULL, 'N'},
270
    'N', NULL, N_("Do not page align data, do not make text readonly"),
271
    EXACTLY_TWO_DASHES },
272
  { {"no-omagic", no_argument, NULL, OPTION_NO_OMAGIC},
273
    '\0', NULL, N_("Page align data, make text readonly"),
274
    EXACTLY_TWO_DASHES },
275
  { {"output", required_argument, NULL, 'o'},
276
    'o', N_("FILE"), N_("Set output file name"), EXACTLY_TWO_DASHES },
277
  { {NULL, required_argument, NULL, '\0'},
278
    'O', NULL, N_("Optimize output file"), ONE_DASH },
279
#ifdef ENABLE_PLUGINS
280
  { {"plugin", required_argument, NULL, OPTION_PLUGIN},
281
    '\0', N_("PLUGIN"), N_("Load named plugin"), ONE_DASH },
282
  { {"plugin-opt", required_argument, NULL, OPTION_PLUGIN_OPT},
283
    '\0', N_("ARG"), N_("Send arg to last-loaded plugin"), ONE_DASH },
284
  { {"flto", optional_argument, NULL, OPTION_IGNORE},
285
    '\0', NULL, N_("Ignored for GCC LTO option compatibility"),
286
    ONE_DASH },
287
  { {"flto-partition=", required_argument, NULL, OPTION_IGNORE},
288
    '\0', NULL, N_("Ignored for GCC LTO option compatibility"),
289
    ONE_DASH },
290
#endif /* ENABLE_PLUGINS */
291
  { {"Qy", no_argument, NULL, OPTION_IGNORE},
292
    '\0', NULL, N_("Ignored for SVR4 compatibility"), ONE_DASH },
293
  { {"emit-relocs", no_argument, NULL, 'q'},
294
    'q', NULL, "Generate relocations in final output", TWO_DASHES },
295
  { {"relocatable", no_argument, NULL, 'r'},
296
    'r', NULL, N_("Generate relocatable output"), TWO_DASHES },
297
  { {NULL, no_argument, NULL, '\0'},
298
    'i', NULL, NULL, ONE_DASH },
299
  { {"just-symbols", required_argument, NULL, 'R'},
300
    'R', N_("FILE"), N_("Just link symbols (if directory, same as --rpath)"),
301
    TWO_DASHES },
302
  { {"strip-all", no_argument, NULL, 's'},
303
    's', NULL, N_("Strip all symbols"), TWO_DASHES },
304
  { {"strip-debug", no_argument, NULL, 'S'},
305
    'S', NULL, N_("Strip debugging symbols"), TWO_DASHES },
306
  { {"strip-discarded", no_argument, NULL, OPTION_STRIP_DISCARDED},
307
    '\0', NULL, N_("Strip symbols in discarded sections"), TWO_DASHES },
308
  { {"no-strip-discarded", no_argument, NULL, OPTION_NO_STRIP_DISCARDED},
309
    '\0', NULL, N_("Do not strip symbols in discarded sections"), TWO_DASHES },
310
  { {"trace", no_argument, NULL, 't'},
311
    't', NULL, N_("Trace file opens"), TWO_DASHES },
312
  { {"script", required_argument, NULL, 'T'},
313
    'T', N_("FILE"), N_("Read linker script"), TWO_DASHES },
314
  { {"default-script", required_argument, NULL, OPTION_DEFAULT_SCRIPT},
315
    '\0', N_("FILE"), N_("Read default linker script"), TWO_DASHES },
316
  { {"dT", required_argument, NULL, OPTION_DEFAULT_SCRIPT},
317
    '\0', NULL, NULL, ONE_DASH },
318
  { {"undefined", required_argument, NULL, 'u'},
319
    'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"),
320
    TWO_DASHES },
321
  { {"unique", optional_argument, NULL, OPTION_UNIQUE},
322
    '\0', N_("[=SECTION]"),
323
    N_("Don't merge input [SECTION | orphan] sections"), TWO_DASHES },
324
  { {"Ur", no_argument, NULL, OPTION_UR},
325
    '\0', NULL, N_("Build global constructor/destructor tables"), ONE_DASH },
326
  { {"version", no_argument, NULL, OPTION_VERSION},
327
    'v', NULL, N_("Print version information"), TWO_DASHES },
328
  { {NULL, no_argument, NULL, '\0'},
329
    'V', NULL, N_("Print version and emulation information"), ONE_DASH },
330
  { {"discard-all", no_argument, NULL, 'x'},
331
    'x', NULL, N_("Discard all local symbols"), TWO_DASHES },
332
  { {"discard-locals", no_argument, NULL, 'X'},
333
    'X', NULL, N_("Discard temporary local symbols (default)"), TWO_DASHES },
334
  { {"discard-none", no_argument, NULL, OPTION_DISCARD_NONE},
335
    '\0', NULL, N_("Don't discard any local symbols"), TWO_DASHES },
336
  { {"trace-symbol", required_argument, NULL, 'y'},
337
    'y', N_("SYMBOL"), N_("Trace mentions of SYMBOL"), TWO_DASHES },
338
  { {NULL, required_argument, NULL, '\0'},
339
    'Y', N_("PATH"), N_("Default search path for Solaris compatibility"),
340
    ONE_DASH },
341
  { {"start-group", no_argument, NULL, '('},
342
    '(', NULL, N_("Start a group"), TWO_DASHES },
343
  { {"end-group", no_argument, NULL, ')'},
344
    ')', NULL, N_("End a group"), TWO_DASHES },
345
  { {"accept-unknown-input-arch", no_argument, NULL,
346
     OPTION_ACCEPT_UNKNOWN_INPUT_ARCH},
347
    '\0', NULL,
348
    N_("Accept input files whose architecture cannot be determined"),
349
    TWO_DASHES },
350
  { {"no-accept-unknown-input-arch", no_argument, NULL,
351
     OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH},
352
    '\0', NULL, N_("Reject input files whose architecture is unknown"),
353
    TWO_DASHES },
354
 
355
  /* The next two options are deprecated because of their similarity to
356
     --as-needed and --no-as-needed.  They have been replaced by
357
     --copy-dt-needed-entries and --no-copy-dt-needed-entries.  */
358
  { {"add-needed", no_argument, NULL, OPTION_ADD_DT_NEEDED_FOR_DYNAMIC},
359
    '\0', NULL, NULL, NO_HELP },
360
  { {"no-add-needed", no_argument, NULL, OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC},
361
    '\0', NULL, NULL, NO_HELP },
362
 
363
  { {"as-needed", no_argument, NULL, OPTION_ADD_DT_NEEDED_FOR_REGULAR},
364
    '\0', NULL, N_("Only set DT_NEEDED for following dynamic libs if used"),
365
    TWO_DASHES },
366
  { {"no-as-needed", no_argument, NULL, OPTION_NO_ADD_DT_NEEDED_FOR_REGULAR},
367
    '\0', NULL, N_("Always set DT_NEEDED for dynamic libraries mentioned on\n"
368
                   "                                the command line"),
369
    TWO_DASHES },
370
  { {"assert", required_argument, NULL, OPTION_ASSERT},
371
    '\0', N_("KEYWORD"), N_("Ignored for SunOS compatibility"), ONE_DASH },
372
  { {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
373
    '\0', NULL, N_("Link against shared libraries"), ONE_DASH },
374
  { {"dy", no_argument, NULL, OPTION_CALL_SHARED},
375
    '\0', NULL, NULL, ONE_DASH },
376
  { {"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
377
    '\0', NULL, NULL, ONE_DASH },
378
  { {"Bstatic", no_argument, NULL, OPTION_NON_SHARED},
379
    '\0', NULL, N_("Do not link against shared libraries"), ONE_DASH },
380
  { {"dn", no_argument, NULL, OPTION_NON_SHARED},
381
    '\0', NULL, NULL, ONE_DASH },
382
  { {"non_shared", no_argument, NULL, OPTION_NON_SHARED},
383
    '\0', NULL, NULL, ONE_DASH },
384
  { {"static", no_argument, NULL, OPTION_NON_SHARED},
385
    '\0', NULL, NULL, ONE_DASH },
386
  { {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC},
387
    '\0', NULL, N_("Bind global references locally"), ONE_DASH },
388
  { {"Bsymbolic-functions", no_argument, NULL, OPTION_SYMBOLIC_FUNCTIONS},
389
    '\0', NULL, N_("Bind global function references locally"), ONE_DASH },
390
  { {"check-sections", no_argument, NULL, OPTION_CHECK_SECTIONS},
391
    '\0', NULL, N_("Check section addresses for overlaps (default)"),
392
    TWO_DASHES },
393
  { {"no-check-sections", no_argument, NULL, OPTION_NO_CHECK_SECTIONS},
394
    '\0', NULL, N_("Do not check section addresses for overlaps"),
395
    TWO_DASHES },
396
  { {"copy-dt-needed-entries", no_argument, NULL,
397
     OPTION_ADD_DT_NEEDED_FOR_DYNAMIC},
398
    '\0', NULL, N_("Copy DT_NEEDED links mentioned inside DSOs that follow"),
399
    TWO_DASHES },
400
  { {"no-copy-dt-needed-entries", no_argument, NULL,
401
     OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC},
402
    '\0', NULL, N_("Do not copy DT_NEEDED links mentioned inside DSOs that follow"),
403
    TWO_DASHES },
404
 
405
  { {"cref", no_argument, NULL, OPTION_CREF},
406
    '\0', NULL, N_("Output cross reference table"), TWO_DASHES },
407
  { {"defsym", required_argument, NULL, OPTION_DEFSYM},
408
    '\0', N_("SYMBOL=EXPRESSION"), N_("Define a symbol"), TWO_DASHES },
409
  { {"demangle", optional_argument, NULL, OPTION_DEMANGLE},
410
    '\0', N_("[=STYLE]"), N_("Demangle symbol names [using STYLE]"),
411
    TWO_DASHES },
412
  { {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
413
    '\0', NULL, N_("Generate embedded relocs"), TWO_DASHES},
414
  { {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL},
415
    '\0', NULL, N_("Treat warnings as errors"),
416
    TWO_DASHES },
417
  { {"no-fatal-warnings", no_argument, NULL, OPTION_NO_WARN_FATAL},
418
    '\0', NULL, N_("Do not treat warnings as errors (default)"),
419
    TWO_DASHES },
420
  { {"fini", required_argument, NULL, OPTION_FINI},
421
    '\0', N_("SYMBOL"), N_("Call SYMBOL at unload-time"), ONE_DASH },
422
  { {"force-exe-suffix", no_argument, NULL, OPTION_FORCE_EXE_SUFFIX},
423
    '\0', NULL, N_("Force generation of file with .exe suffix"), TWO_DASHES},
424
  { {"gc-sections", no_argument, NULL, OPTION_GC_SECTIONS},
425
    '\0', NULL, N_("Remove unused sections (on some targets)"),
426
    TWO_DASHES },
427
  { {"no-gc-sections", no_argument, NULL, OPTION_NO_GC_SECTIONS},
428
    '\0', NULL, N_("Don't remove unused sections (default)"),
429
    TWO_DASHES },
430
  { {"print-gc-sections", no_argument, NULL, OPTION_PRINT_GC_SECTIONS},
431
    '\0', NULL, N_("List removed unused sections on stderr"),
432
    TWO_DASHES },
433
  { {"no-print-gc-sections", no_argument, NULL, OPTION_NO_PRINT_GC_SECTIONS},
434
    '\0', NULL, N_("Do not list removed unused sections"),
435
    TWO_DASHES },
436
  { {"hash-size=<NUMBER>", required_argument, NULL, OPTION_HASH_SIZE},
437
    '\0', NULL, N_("Set default hash table size close to <NUMBER>"),
438
    TWO_DASHES },
439
  { {"help", no_argument, NULL, OPTION_HELP},
440
    '\0', NULL, N_("Print option help"), TWO_DASHES },
441
  { {"init", required_argument, NULL, OPTION_INIT},
442
    '\0', N_("SYMBOL"), N_("Call SYMBOL at load-time"), ONE_DASH },
443
  { {"Map", required_argument, NULL, OPTION_MAP},
444
    '\0', N_("FILE"), N_("Write a map file"), ONE_DASH },
445
  { {"no-define-common", no_argument, NULL, OPTION_NO_DEFINE_COMMON},
446
    '\0', NULL, N_("Do not define Common storage"), TWO_DASHES },
447
  { {"no-demangle", no_argument, NULL, OPTION_NO_DEMANGLE },
448
    '\0', NULL, N_("Do not demangle symbol names"), TWO_DASHES },
449
  { {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
450
    '\0', NULL, N_("Use less memory and more disk I/O"), TWO_DASHES },
451
  { {"no-undefined", no_argument, NULL, OPTION_NO_UNDEFINED},
452
    '\0', NULL, N_("Do not allow unresolved references in object files"),
453
    TWO_DASHES },
454
  { {"allow-shlib-undefined", no_argument, NULL, OPTION_ALLOW_SHLIB_UNDEFINED},
455
    '\0', NULL, N_("Allow unresolved references in shared libraries"),
456
    TWO_DASHES },
457
  { {"no-allow-shlib-undefined", no_argument, NULL,
458
     OPTION_NO_ALLOW_SHLIB_UNDEFINED},
459
    '\0', NULL, N_("Do not allow unresolved references in shared libs"),
460
    TWO_DASHES },
461
  { {"allow-multiple-definition", no_argument, NULL,
462
     OPTION_ALLOW_MULTIPLE_DEFINITION},
463
    '\0', NULL, N_("Allow multiple definitions"), TWO_DASHES },
464
  { {"no-undefined-version", no_argument, NULL, OPTION_NO_UNDEFINED_VERSION},
465
    '\0', NULL, N_("Disallow undefined version"), TWO_DASHES },
466
  { {"default-symver", no_argument, NULL, OPTION_DEFAULT_SYMVER},
467
    '\0', NULL, N_("Create default symbol version"), TWO_DASHES },
468
  { {"default-imported-symver", no_argument, NULL,
469
      OPTION_DEFAULT_IMPORTED_SYMVER},
470
    '\0', NULL, N_("Create default symbol version for imported symbols"),
471
    TWO_DASHES },
472
  { {"no-warn-mismatch", no_argument, NULL, OPTION_NO_WARN_MISMATCH},
473
    '\0', NULL, N_("Don't warn about mismatched input files"), TWO_DASHES},
474
  { {"no-warn-search-mismatch", no_argument, NULL,
475
     OPTION_NO_WARN_SEARCH_MISMATCH},
476
    '\0', NULL, N_("Don't warn on finding an incompatible library"),
477
    TWO_DASHES},
478
  { {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
479
    '\0', NULL, N_("Turn off --whole-archive"), TWO_DASHES },
480
  { {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
481
    '\0', NULL, N_("Create an output file even if errors occur"),
482
    TWO_DASHES },
483
  { {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
484
    '\0', NULL, NULL, NO_HELP },
485
  { {"nostdlib", no_argument, NULL, OPTION_NOSTDLIB},
486
    '\0', NULL, N_("Only use library directories specified on\n"
487
                   "                                the command line"),
488
    ONE_DASH },
489
  { {"oformat", required_argument, NULL, OPTION_OFORMAT},
490
    '\0', N_("TARGET"), N_("Specify target of output file"),
491
    EXACTLY_TWO_DASHES },
492 157 khays
  { {"print-output-format", no_argument, NULL, OPTION_PRINT_OUTPUT_FORMAT},
493
    '\0', NULL, N_("Print default output format"), TWO_DASHES },
494 145 khays
  { {"qmagic", no_argument, NULL, OPTION_IGNORE},
495
    '\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH },
496
  { {"reduce-memory-overheads", no_argument, NULL,
497
     OPTION_REDUCE_MEMORY_OVERHEADS},
498
    '\0', NULL, N_("Reduce memory overheads, possibly taking much longer"),
499
    TWO_DASHES },
500
  { {"relax", no_argument, NULL, OPTION_RELAX},
501
    '\0', NULL, N_("Reduce code size by using target specific optimizations"), TWO_DASHES },
502
  { {"no-relax", no_argument, NULL, OPTION_NO_RELAX},
503
    '\0', NULL, N_("Do not use relaxation techniques to reduce code size"), TWO_DASHES },
504
  { {"retain-symbols-file", required_argument, NULL,
505
     OPTION_RETAIN_SYMBOLS_FILE},
506
    '\0', N_("FILE"), N_("Keep only symbols listed in FILE"), TWO_DASHES },
507
  { {"rpath", required_argument, NULL, OPTION_RPATH},
508
    '\0', N_("PATH"), N_("Set runtime shared library search path"), ONE_DASH },
509
  { {"rpath-link", required_argument, NULL, OPTION_RPATH_LINK},
510
    '\0', N_("PATH"), N_("Set link time shared library search path"),
511
    ONE_DASH },
512
  { {"shared", no_argument, NULL, OPTION_SHARED},
513
    '\0', NULL, N_("Create a shared library"), ONE_DASH },
514
  { {"Bshareable", no_argument, NULL, OPTION_SHARED }, /* FreeBSD.  */
515
    '\0', NULL, NULL, ONE_DASH },
516
  { {"pie", no_argument, NULL, OPTION_PIE},
517
    '\0', NULL, N_("Create a position independent executable"), ONE_DASH },
518
  { {"pic-executable", no_argument, NULL, OPTION_PIE},
519
    '\0', NULL, NULL, TWO_DASHES },
520
  { {"sort-common", optional_argument, NULL, OPTION_SORT_COMMON},
521
    '\0', N_("[=ascending|descending]"),
522
    N_("Sort common symbols by alignment [in specified order]"),
523
    TWO_DASHES },
524
  { {"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
525
    '\0', NULL, NULL, NO_HELP },
526
  { {"sort-section", required_argument, NULL, OPTION_SORT_SECTION},
527
    '\0', N_("name|alignment"),
528
    N_("Sort sections by name or maximum alignment"), TWO_DASHES },
529
  { {"spare-dynamic-tags", required_argument, NULL, OPTION_SPARE_DYNAMIC_TAGS},
530
    '\0', N_("COUNT"), N_("How many tags to reserve in .dynamic section"),
531
    TWO_DASHES },
532
  { {"split-by-file", optional_argument, NULL, OPTION_SPLIT_BY_FILE},
533
    '\0', N_("[=SIZE]"), N_("Split output sections every SIZE octets"),
534
    TWO_DASHES },
535
  { {"split-by-reloc", optional_argument, NULL, OPTION_SPLIT_BY_RELOC},
536
    '\0', N_("[=COUNT]"), N_("Split output sections every COUNT relocs"),
537
    TWO_DASHES },
538
  { {"stats", no_argument, NULL, OPTION_STATS},
539
    '\0', NULL, N_("Print memory usage statistics"), TWO_DASHES },
540
  { {"target-help", no_argument, NULL, OPTION_TARGET_HELP},
541
    '\0', NULL, N_("Display target specific options"), TWO_DASHES },
542
  { {"task-link", required_argument, NULL, OPTION_TASK_LINK},
543
    '\0', N_("SYMBOL"), N_("Do task level linking"), TWO_DASHES },
544
  { {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
545
    '\0', NULL, N_("Use same format as native linker"), TWO_DASHES },
546
  { {"section-start", required_argument, NULL, OPTION_SECTION_START},
547
    '\0', N_("SECTION=ADDRESS"), N_("Set address of named section"),
548
    TWO_DASHES },
549
  { {"Tbss", required_argument, NULL, OPTION_TBSS},
550
    '\0', N_("ADDRESS"), N_("Set address of .bss section"), ONE_DASH },
551
  { {"Tdata", required_argument, NULL, OPTION_TDATA},
552
    '\0', N_("ADDRESS"), N_("Set address of .data section"), ONE_DASH },
553
  { {"Ttext", required_argument, NULL, OPTION_TTEXT},
554
    '\0', N_("ADDRESS"), N_("Set address of .text section"), ONE_DASH },
555
  { {"Ttext-segment", required_argument, NULL, OPTION_TTEXT_SEGMENT},
556
    '\0', N_("ADDRESS"), N_("Set address of text segment"), ONE_DASH },
557
  { {"unresolved-symbols=<method>", required_argument, NULL,
558
     OPTION_UNRESOLVED_SYMBOLS},
559
    '\0', NULL, N_("How to handle unresolved symbols.  <method> is:\n"
560
                   "                                ignore-all, report-all, ignore-in-object-files,\n"
561
                   "                                ignore-in-shared-libs"),
562
    TWO_DASHES },
563
  { {"verbose", optional_argument, NULL, OPTION_VERBOSE},
564
    '\0', N_("[=NUMBER]"),
565
    N_("Output lots of information during link"), TWO_DASHES },
566
  { {"dll-verbose", no_argument, NULL, OPTION_VERBOSE}, /* Linux.  */
567
    '\0', NULL, NULL, NO_HELP },
568
  { {"version-script", required_argument, NULL, OPTION_VERSION_SCRIPT },
569
    '\0', N_("FILE"), N_("Read version information script"), TWO_DASHES },
570
  { {"version-exports-section", required_argument, NULL,
571
     OPTION_VERSION_EXPORTS_SECTION },
572
    '\0', N_("SYMBOL"), N_("Take export symbols list from .exports, using\n"
573
                           "                                SYMBOL as the version."),
574
    TWO_DASHES },
575
  { {"dynamic-list-data", no_argument, NULL, OPTION_DYNAMIC_LIST_DATA},
576
    '\0', NULL, N_("Add data symbols to dynamic list"), TWO_DASHES },
577
  { {"dynamic-list-cpp-new", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_NEW},
578
    '\0', NULL, N_("Use C++ operator new/delete dynamic list"), TWO_DASHES },
579
  { {"dynamic-list-cpp-typeinfo", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_TYPEINFO},
580
    '\0', NULL, N_("Use C++ typeinfo dynamic list"), TWO_DASHES },
581
  { {"dynamic-list", required_argument, NULL, OPTION_DYNAMIC_LIST},
582
    '\0', N_("FILE"), N_("Read dynamic list"), TWO_DASHES },
583
  { {"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
584
    '\0', NULL, N_("Warn about duplicate common symbols"), TWO_DASHES },
585
  { {"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS},
586
    '\0', NULL, N_("Warn if global constructors/destructors are seen"),
587
    TWO_DASHES },
588
  { {"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP},
589
    '\0', NULL, N_("Warn if the multiple GP values are used"), TWO_DASHES },
590
  { {"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
591
    '\0', NULL, N_("Warn only once per undefined symbol"), TWO_DASHES },
592
  { {"warn-section-align", no_argument, NULL, OPTION_WARN_SECTION_ALIGN},
593
    '\0', NULL, N_("Warn if start of section changes due to alignment"),
594
    TWO_DASHES },
595
  { {"warn-shared-textrel", no_argument, NULL, OPTION_WARN_SHARED_TEXTREL},
596
    '\0', NULL, N_("Warn if shared object has DT_TEXTREL"),
597
    TWO_DASHES },
598
  { {"warn-alternate-em", no_argument, NULL, OPTION_WARN_ALTERNATE_EM},
599
    '\0', NULL, N_("Warn if an object has alternate ELF machine code"),
600
    TWO_DASHES },
601
  { {"warn-unresolved-symbols", no_argument, NULL,
602
     OPTION_WARN_UNRESOLVED_SYMBOLS},
603
    '\0', NULL, N_("Report unresolved symbols as warnings"), TWO_DASHES },
604
  { {"error-unresolved-symbols", no_argument, NULL,
605
     OPTION_ERROR_UNRESOLVED_SYMBOLS},
606
    '\0', NULL, N_("Report unresolved symbols as errors"), TWO_DASHES },
607
  { {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
608
    '\0', NULL, N_("Include all objects from following archives"),
609
    TWO_DASHES },
610
  { {"wrap", required_argument, NULL, OPTION_WRAP},
611
    '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES },
612
};
613
 
614
#define OPTION_COUNT ARRAY_SIZE (ld_options)
615
 
616
void
617
parse_args (unsigned argc, char **argv)
618
{
619
  unsigned i;
620
  int is, il, irl;
621
  int ingroup = 0;
622
  char *default_dirlist = NULL;
623
  char *shortopts;
624
  struct option *longopts;
625
  struct option *really_longopts;
626
  int last_optind;
627
  enum report_method how_to_report_unresolved_symbols = RM_GENERATE_ERROR;
628
 
629
  shortopts = (char *) xmalloc (OPTION_COUNT * 3 + 2);
630
  longopts = (struct option *)
631
      xmalloc (sizeof (*longopts) * (OPTION_COUNT + 1));
632
  really_longopts = (struct option *)
633
      malloc (sizeof (*really_longopts) * (OPTION_COUNT + 1));
634
 
635
  /* Starting the short option string with '-' is for programs that
636
     expect options and other ARGV-elements in any order and that care about
637
     the ordering of the two.  We describe each non-option ARGV-element
638
     as if it were the argument of an option with character code 1.  */
639
  shortopts[0] = '-';
640
  is = 1;
641
  il = 0;
642
  irl = 0;
643
  for (i = 0; i < OPTION_COUNT; i++)
644
    {
645
      if (ld_options[i].shortopt != '\0')
646
        {
647
          shortopts[is] = ld_options[i].shortopt;
648
          ++is;
649
          if (ld_options[i].opt.has_arg == required_argument
650
              || ld_options[i].opt.has_arg == optional_argument)
651
            {
652
              shortopts[is] = ':';
653
              ++is;
654
              if (ld_options[i].opt.has_arg == optional_argument)
655
                {
656
                  shortopts[is] = ':';
657
                  ++is;
658
                }
659
            }
660
        }
661
      if (ld_options[i].opt.name != NULL)
662
        {
663
          if (ld_options[i].control == EXACTLY_TWO_DASHES)
664
            {
665
              really_longopts[irl] = ld_options[i].opt;
666
              ++irl;
667
            }
668
          else
669
            {
670
              longopts[il] = ld_options[i].opt;
671
              ++il;
672
            }
673
        }
674
    }
675
  shortopts[is] = '\0';
676
  longopts[il].name = NULL;
677
  really_longopts[irl].name = NULL;
678
 
679
  ldemul_add_options (is, &shortopts, il, &longopts, irl, &really_longopts);
680
 
681
  /* The -G option is ambiguous on different platforms.  Sometimes it
682
     specifies the largest data size to put into the small data
683
     section.  Sometimes it is equivalent to --shared.  Unfortunately,
684
     the first form takes an argument, while the second does not.
685
 
686
     We need to permit the --shared form because on some platforms,
687
     such as Solaris, gcc -shared will pass -G to the linker.
688
 
689
     To permit either usage, we look through the argument list.  If we
690
     find -G not followed by a number, we change it into --shared.
691
     This will work for most normal cases.  */
692
  for (i = 1; i < argc; i++)
693
    if (strcmp (argv[i], "-G") == 0
694
        && (i + 1 >= argc
695
            || ! ISDIGIT (argv[i + 1][0])))
696
      argv[i] = (char *) "--shared";
697
 
698
  /* Because we permit long options to start with a single dash, and
699
     we have a --library option, and the -l option is conventionally
700
     used with an immediately following argument, we can have bad
701
     results if somebody tries to use -l with a library whose name
702
     happens to start with "ibrary", as in -li.  We avoid problems by
703
     simply turning -l into --library.  This means that users will
704
     have to use two dashes in order to use --library, which is OK
705
     since that's how it is documented.
706
 
707
     FIXME: It's possible that this problem can arise for other short
708
     options as well, although the user does always have the recourse
709
     of adding a space between the option and the argument.  */
710
  for (i = 1; i < argc; i++)
711
    {
712
      if (argv[i][0] == '-'
713
          && argv[i][1] == 'l'
714
          && argv[i][2] != '\0')
715
        {
716
          char *n;
717
 
718
          n = (char *) xmalloc (strlen (argv[i]) + 20);
719
          sprintf (n, "--library=%s", argv[i] + 2);
720
          argv[i] = n;
721
        }
722
    }
723
 
724
  last_optind = -1;
725
  while (1)
726
    {
727
      int longind;
728
      int optc;
729 166 khays
      static unsigned int defsym_count;
730 145 khays
 
731
      /* Using last_optind lets us avoid calling ldemul_parse_args
732
         multiple times on a single option, which would lead to
733
         confusion in the internal static variables maintained by
734
         getopt.  This could otherwise happen for an argument like
735
         -nx, in which the -n is parsed as a single option, and we
736
         loop around to pick up the -x.  */
737
      if (optind != last_optind)
738
        if (ldemul_parse_args (argc, argv))
739
          continue;
740
 
741
      /* getopt_long_only is like getopt_long, but '-' as well as '--'
742
         can indicate a long option.  */
743
      opterr = 0;
744
      last_optind = optind;
745
      optc = getopt_long_only (argc, argv, shortopts, longopts, &longind);
746
      if (optc == '?')
747
        {
748
          optind = last_optind;
749
          optc = getopt_long (argc, argv, "-", really_longopts, &longind);
750
        }
751
 
752
      if (ldemul_handle_option (optc))
753
        continue;
754
 
755
      if (optc == -1)
756
        break;
757
 
758
      switch (optc)
759
        {
760
        case '?':
761
          einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]);
762
          /* Fall through.  */
763
 
764
        default:
765
          einfo (_("%P%F: use the --help option for usage information\n"));
766
 
767
        case 1:                 /* File name.  */
768
          lang_add_input_file (optarg, lang_input_file_is_file_enum, NULL);
769
          break;
770
 
771
        case OPTION_IGNORE:
772
          break;
773
        case 'a':
774
          /* For HP/UX compatibility.  Actually -a shared should mean
775
             ``use only shared libraries'' but, then, we don't
776
             currently support shared libraries on HP/UX anyhow.  */
777
          if (strcmp (optarg, "archive") == 0)
778
            config.dynamic_link = FALSE;
779
          else if (strcmp (optarg, "shared") == 0
780
                   || strcmp (optarg, "default") == 0)
781
            config.dynamic_link = TRUE;
782
          else
783
            einfo (_("%P%F: unrecognized -a option `%s'\n"), optarg);
784
          break;
785
        case OPTION_ASSERT:
786
          /* FIXME: We just ignore these, but we should handle them.  */
787
          if (strcmp (optarg, "definitions") == 0)
788
            ;
789
          else if (strcmp (optarg, "nodefinitions") == 0)
790
            ;
791
          else if (strcmp (optarg, "nosymbolic") == 0)
792
            ;
793
          else if (strcmp (optarg, "pure-text") == 0)
794
            ;
795
          else
796
            einfo (_("%P%F: unrecognized -assert option `%s'\n"), optarg);
797
          break;
798
        case 'A':
799
          ldfile_add_arch (optarg);
800
          break;
801
        case 'b':
802
          lang_add_target (optarg);
803
          break;
804
        case 'c':
805
          ldfile_open_command_file (optarg);
806
          parser_input = input_mri_script;
807
          yyparse ();
808
          break;
809
        case OPTION_CALL_SHARED:
810
          config.dynamic_link = TRUE;
811
          break;
812
        case OPTION_NON_SHARED:
813
          config.dynamic_link = FALSE;
814
          break;
815
        case OPTION_CREF:
816
          command_line.cref = TRUE;
817
          link_info.notice_all = TRUE;
818
          break;
819
        case 'd':
820
          command_line.force_common_definition = TRUE;
821
          break;
822
        case OPTION_DEFSYM:
823
          lex_string = optarg;
824 166 khays
          lex_redirect (optarg, "--defsym", ++defsym_count);
825 145 khays
          parser_input = input_defsym;
826
          yyparse ();
827
          lex_string = NULL;
828
          break;
829
        case OPTION_DEMANGLE:
830
          demangling = TRUE;
831
          if (optarg != NULL)
832
            {
833
              enum demangling_styles style;
834
 
835
              style = cplus_demangle_name_to_style (optarg);
836
              if (style == unknown_demangling)
837
                einfo (_("%F%P: unknown demangling style `%s'"),
838
                       optarg);
839
 
840
              cplus_demangle_set_style (style);
841
            }
842
          break;
843
        case 'I':               /* Used on Solaris.  */
844
        case OPTION_DYNAMIC_LINKER:
845
          command_line.interpreter = optarg;
846
          break;
847
        case OPTION_SYSROOT:
848
          /* Already handled in ldmain.c.  */
849
          break;
850
        case OPTION_EB:
851
          command_line.endian = ENDIAN_BIG;
852
          break;
853
        case OPTION_EL:
854
          command_line.endian = ENDIAN_LITTLE;
855
          break;
856
        case OPTION_EMBEDDED_RELOCS:
857
          command_line.embedded_relocs = TRUE;
858
          break;
859
        case OPTION_EXPORT_DYNAMIC:
860
        case 'E': /* HP/UX compatibility.  */
861
          link_info.export_dynamic = TRUE;
862
          break;
863
        case OPTION_NO_EXPORT_DYNAMIC:
864
          link_info.export_dynamic = FALSE;
865
          break;
866
        case 'e':
867
          lang_add_entry (optarg, TRUE);
868
          break;
869
        case 'f':
870
          if (command_line.auxiliary_filters == NULL)
871
            {
872
              command_line.auxiliary_filters = (char **)
873
                  xmalloc (2 * sizeof (char *));
874
              command_line.auxiliary_filters[0] = optarg;
875
              command_line.auxiliary_filters[1] = NULL;
876
            }
877
          else
878
            {
879
              int c;
880
              char **p;
881
 
882
              c = 0;
883
              for (p = command_line.auxiliary_filters; *p != NULL; p++)
884
                ++c;
885
              command_line.auxiliary_filters = (char **)
886
                  xrealloc (command_line.auxiliary_filters,
887
                            (c + 2) * sizeof (char *));
888
              command_line.auxiliary_filters[c] = optarg;
889
              command_line.auxiliary_filters[c + 1] = NULL;
890
            }
891
          break;
892
        case 'F':
893
          command_line.filter_shlib = optarg;
894
          break;
895
        case OPTION_FORCE_EXE_SUFFIX:
896
          command_line.force_exe_suffix = TRUE;
897
          break;
898
        case 'G':
899
          {
900
            char *end;
901
            g_switch_value = strtoul (optarg, &end, 0);
902
            if (*end)
903
              einfo (_("%P%F: invalid number `%s'\n"), optarg);
904
          }
905
          break;
906
        case 'g':
907
          /* Ignore.  */
908
          break;
909
        case OPTION_GC_SECTIONS:
910
          link_info.gc_sections = TRUE;
911
          break;
912
        case OPTION_PRINT_GC_SECTIONS:
913
          link_info.print_gc_sections = TRUE;
914
          break;
915
        case OPTION_HELP:
916
          help ();
917
          xexit (0);
918
          break;
919
        case 'L':
920
          ldfile_add_library_path (optarg, TRUE);
921
          break;
922
        case 'l':
923
          lang_add_input_file (optarg, lang_input_file_is_l_enum, NULL);
924
          break;
925
        case 'M':
926
          config.map_filename = "-";
927
          break;
928
        case 'm':
929
          /* Ignore.  Was handled in a pre-parse.   */
930
          break;
931
        case OPTION_MAP:
932
          config.map_filename = optarg;
933
          break;
934
        case 'N':
935
          config.text_read_only = FALSE;
936
          config.magic_demand_paged = FALSE;
937
          config.dynamic_link = FALSE;
938
          break;
939
        case OPTION_NO_OMAGIC:
940
          config.text_read_only = TRUE;
941
          config.magic_demand_paged = TRUE;
942
          /* NB/ Does not set dynamic_link to TRUE.
943
             Use --call-shared or -Bdynamic for this.  */
944
          break;
945
        case 'n':
946
          config.magic_demand_paged = FALSE;
947
          config.dynamic_link = FALSE;
948
          break;
949
        case OPTION_NO_DEFINE_COMMON:
950
          command_line.inhibit_common_definition = TRUE;
951
          break;
952
        case OPTION_NO_DEMANGLE:
953
          demangling = FALSE;
954
          break;
955
        case OPTION_NO_GC_SECTIONS:
956
          link_info.gc_sections = FALSE;
957
          break;
958
        case OPTION_NO_PRINT_GC_SECTIONS:
959
          link_info.print_gc_sections = FALSE;
960
          break;
961
        case OPTION_NO_KEEP_MEMORY:
962
          link_info.keep_memory = FALSE;
963
          break;
964
        case OPTION_NO_UNDEFINED:
965
          link_info.unresolved_syms_in_objects
966
            = how_to_report_unresolved_symbols;
967
          break;
968
        case OPTION_ALLOW_SHLIB_UNDEFINED:
969
          link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
970
          break;
971
        case OPTION_NO_ALLOW_SHLIB_UNDEFINED:
972
          link_info.unresolved_syms_in_shared_libs
973
            = how_to_report_unresolved_symbols;
974
          break;
975
        case OPTION_UNRESOLVED_SYMBOLS:
976
          if (strcmp (optarg, "ignore-all") == 0)
977
            {
978
              link_info.unresolved_syms_in_objects = RM_IGNORE;
979
              link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
980
            }
981
          else if (strcmp (optarg, "report-all") == 0)
982
            {
983
              link_info.unresolved_syms_in_objects
984
                = how_to_report_unresolved_symbols;
985
              link_info.unresolved_syms_in_shared_libs
986
                = how_to_report_unresolved_symbols;
987
            }
988
          else if (strcmp (optarg, "ignore-in-object-files") == 0)
989
            {
990
              link_info.unresolved_syms_in_objects = RM_IGNORE;
991
              link_info.unresolved_syms_in_shared_libs
992
                = how_to_report_unresolved_symbols;
993
            }
994
          else if (strcmp (optarg, "ignore-in-shared-libs") == 0)
995
            {
996
              link_info.unresolved_syms_in_objects
997
                = how_to_report_unresolved_symbols;
998
              link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
999
            }
1000
          else
1001
            einfo (_("%P%F: bad --unresolved-symbols option: %s\n"), optarg);
1002
          break;
1003
        case OPTION_WARN_UNRESOLVED_SYMBOLS:
1004
          how_to_report_unresolved_symbols = RM_GENERATE_WARNING;
1005
          if (link_info.unresolved_syms_in_objects == RM_GENERATE_ERROR)
1006
            link_info.unresolved_syms_in_objects = RM_GENERATE_WARNING;
1007
          if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_ERROR)
1008
            link_info.unresolved_syms_in_shared_libs = RM_GENERATE_WARNING;
1009
          break;
1010
 
1011
        case OPTION_ERROR_UNRESOLVED_SYMBOLS:
1012
          how_to_report_unresolved_symbols = RM_GENERATE_ERROR;
1013
          if (link_info.unresolved_syms_in_objects == RM_GENERATE_WARNING)
1014
            link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
1015
          if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_WARNING)
1016
            link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR;
1017
          break;
1018
        case OPTION_ALLOW_MULTIPLE_DEFINITION:
1019
          link_info.allow_multiple_definition = TRUE;
1020
          break;
1021
        case OPTION_NO_UNDEFINED_VERSION:
1022
          link_info.allow_undefined_version = FALSE;
1023
          break;
1024
        case OPTION_DEFAULT_SYMVER:
1025
          link_info.create_default_symver = TRUE;
1026
          break;
1027
        case OPTION_DEFAULT_IMPORTED_SYMVER:
1028
          link_info.default_imported_symver = TRUE;
1029
          break;
1030
        case OPTION_NO_WARN_MISMATCH:
1031
          command_line.warn_mismatch = FALSE;
1032
          break;
1033
        case OPTION_NO_WARN_SEARCH_MISMATCH:
1034
          command_line.warn_search_mismatch = FALSE;
1035
          break;
1036
        case OPTION_NOINHIBIT_EXEC:
1037
          force_make_executable = TRUE;
1038
          break;
1039
        case OPTION_NOSTDLIB:
1040
          config.only_cmd_line_lib_dirs = TRUE;
1041
          break;
1042
        case OPTION_NO_WHOLE_ARCHIVE:
1043
          whole_archive = FALSE;
1044
          break;
1045
        case 'O':
1046
          /* FIXME "-O<non-digits> <value>" used to set the address of
1047
             section <non-digits>.  Was this for compatibility with
1048
             something, or can we create a new option to do that
1049
             (with a syntax similar to -defsym)?
1050
             getopt can't handle two args to an option without kludges.  */
1051
 
1052
          /* Enable optimizations of output files.  */
1053
          link_info.optimize = strtoul (optarg, NULL, 0) ? TRUE : FALSE;
1054
          break;
1055
        case 'o':
1056
          lang_add_output (optarg, 0);
1057
          break;
1058
        case OPTION_OFORMAT:
1059
          lang_add_output_format (optarg, NULL, NULL, 0);
1060
          break;
1061 157 khays
        case OPTION_PRINT_OUTPUT_FORMAT:
1062
          command_line.print_output_format = TRUE;
1063
          break;
1064 145 khays
#ifdef ENABLE_PLUGINS
1065
        case OPTION_PLUGIN:
1066
          if (plugin_opt_plugin (optarg))
1067
            einfo (_("%P%F: %s: error loading plugin\n"),
1068
                   plugin_error_plugin ());
1069
          break;
1070
        case OPTION_PLUGIN_OPT:
1071
          if (plugin_opt_plugin_arg (optarg))
1072
            einfo(_("%P%F: bad -plugin-opt option\n"));
1073
          break;
1074
#endif /* ENABLE_PLUGINS */
1075
        case 'q':
1076
          link_info.emitrelocations = TRUE;
1077
          break;
1078
        case 'i':
1079
        case 'r':
1080
          if (optind == last_optind)
1081
            /* This can happen if the user put "-rpath,a" on the command
1082
               line.  (Or something similar.  The comma is important).
1083
               Getopt becomes confused and thinks that this is a -r option
1084
               but it cannot parse the text after the -r so it refuses to
1085
               increment the optind counter.  Detect this case and issue
1086
               an error message here.  We cannot just make this a warning,
1087
               increment optind, and continue because getopt is too confused
1088
               and will seg-fault the next time around.  */
1089
            einfo(_("%P%F: bad -rpath option\n"));
1090
 
1091
          link_info.relocatable = TRUE;
1092
          config.build_constructors = FALSE;
1093
          config.magic_demand_paged = FALSE;
1094
          config.text_read_only = FALSE;
1095
          config.dynamic_link = FALSE;
1096
          break;
1097
        case 'R':
1098
          /* The GNU linker traditionally uses -R to mean to include
1099
             only the symbols from a file.  The Solaris linker uses -R
1100
             to set the path used by the runtime linker to find
1101
             libraries.  This is the GNU linker -rpath argument.  We
1102
             try to support both simultaneously by checking the file
1103
             named.  If it is a directory, rather than a regular file,
1104
             we assume -rpath was meant.  */
1105
          {
1106
            struct stat s;
1107
 
1108
            if (stat (optarg, &s) >= 0
1109
                && ! S_ISDIR (s.st_mode))
1110
              {
1111
                lang_add_input_file (optarg,
1112
                                     lang_input_file_is_symbols_only_enum,
1113
                                     NULL);
1114
                break;
1115
              }
1116
          }
1117
          /* Fall through.  */
1118
        case OPTION_RPATH:
1119
          if (command_line.rpath == NULL)
1120
            command_line.rpath = xstrdup (optarg);
1121
          else
1122
            {
1123
              size_t rpath_len = strlen (command_line.rpath);
1124
              size_t optarg_len = strlen (optarg);
1125
              char *buf;
1126
              char *cp = command_line.rpath;
1127
 
1128
              /* First see whether OPTARG is already in the path.  */
1129
              do
1130
                {
1131
                  if (strncmp (optarg, cp, optarg_len) == 0
1132
                      && (cp[optarg_len] == 0
1133
                          || cp[optarg_len] == config.rpath_separator))
1134
                    /* We found it.  */
1135
                    break;
1136
 
1137
                  /* Not yet found.  */
1138
                  cp = strchr (cp, config.rpath_separator);
1139
                  if (cp != NULL)
1140
                    ++cp;
1141
                }
1142
              while (cp != NULL);
1143
 
1144
              if (cp == NULL)
1145
                {
1146
                  buf = (char *) xmalloc (rpath_len + optarg_len + 2);
1147
                  sprintf (buf, "%s%c%s", command_line.rpath,
1148
                           config.rpath_separator, optarg);
1149
                  free (command_line.rpath);
1150
                  command_line.rpath = buf;
1151
                }
1152
            }
1153
          break;
1154
        case OPTION_RPATH_LINK:
1155
          if (command_line.rpath_link == NULL)
1156
            command_line.rpath_link = xstrdup (optarg);
1157
          else
1158
            {
1159
              char *buf;
1160
 
1161
              buf = (char *) xmalloc (strlen (command_line.rpath_link)
1162
                                      + strlen (optarg)
1163
                                      + 2);
1164
              sprintf (buf, "%s%c%s", command_line.rpath_link,
1165
                       config.rpath_separator, optarg);
1166
              free (command_line.rpath_link);
1167
              command_line.rpath_link = buf;
1168
            }
1169
          break;
1170
        case OPTION_NO_RELAX:
1171
          DISABLE_RELAXATION;
1172
          break;
1173
        case OPTION_RELAX:
1174
          ENABLE_RELAXATION;
1175
          break;
1176
        case OPTION_RETAIN_SYMBOLS_FILE:
1177
          add_keepsyms_file (optarg);
1178
          break;
1179
        case 'S':
1180
          link_info.strip = strip_debugger;
1181
          break;
1182
        case 's':
1183
          link_info.strip = strip_all;
1184
          break;
1185
        case OPTION_STRIP_DISCARDED:
1186
          link_info.strip_discarded = TRUE;
1187
          break;
1188
        case OPTION_NO_STRIP_DISCARDED:
1189
          link_info.strip_discarded = FALSE;
1190
          break;
1191
        case OPTION_SHARED:
1192
          if (config.has_shared)
1193
            {
1194
              link_info.shared = TRUE;
1195
              /* When creating a shared library, the default
1196
                 behaviour is to ignore any unresolved references.  */
1197
              if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET)
1198
                link_info.unresolved_syms_in_objects = RM_IGNORE;
1199
              if (link_info.unresolved_syms_in_shared_libs == RM_NOT_YET_SET)
1200
                link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
1201
            }
1202
          else
1203
            einfo (_("%P%F: -shared not supported\n"));
1204
          break;
1205
        case OPTION_PIE:
1206
          if (config.has_shared)
1207
            {
1208
              link_info.shared = TRUE;
1209
              link_info.pie = TRUE;
1210
            }
1211
          else
1212
            einfo (_("%P%F: -pie not supported\n"));
1213
          break;
1214
        case 'h':               /* Used on Solaris.  */
1215
        case OPTION_SONAME:
1216
          command_line.soname = optarg;
1217
          break;
1218
        case OPTION_SORT_COMMON:
1219
          if (optarg == NULL
1220
              || strcmp (optarg, N_("descending")) == 0)
1221
            config.sort_common = sort_descending;
1222
          else if (strcmp (optarg, N_("ascending")) == 0)
1223
            config.sort_common = sort_ascending;
1224
          else
1225
            einfo (_("%P%F: invalid common section sorting option: %s\n"),
1226
                   optarg);
1227
          break;
1228
        case OPTION_SORT_SECTION:
1229
          if (strcmp (optarg, N_("name")) == 0)
1230
            sort_section = by_name;
1231
          else if (strcmp (optarg, N_("alignment")) == 0)
1232
            sort_section = by_alignment;
1233
          else
1234
            einfo (_("%P%F: invalid section sorting option: %s\n"),
1235
                   optarg);
1236
          break;
1237
        case OPTION_STATS:
1238
          config.stats = TRUE;
1239
          break;
1240
        case OPTION_SYMBOLIC:
1241
          command_line.symbolic = symbolic;
1242
          break;
1243
        case OPTION_SYMBOLIC_FUNCTIONS:
1244
          command_line.symbolic = symbolic_functions;
1245
          break;
1246
        case 't':
1247
          trace_files = TRUE;
1248
          break;
1249
        case 'T':
1250
          previous_script_handle = saved_script_handle;
1251
          ldfile_open_command_file (optarg);
1252
          parser_input = input_script;
1253
          yyparse ();
1254
          previous_script_handle = NULL;
1255
          break;
1256
        case OPTION_DEFAULT_SCRIPT:
1257
          command_line.default_script = optarg;
1258
          break;
1259
        case OPTION_SECTION_START:
1260
          {
1261
            char *optarg2;
1262
            char *sec_name;
1263
            int len;
1264
 
1265
            /* Check for <something>=<somthing>...  */
1266
            optarg2 = strchr (optarg, '=');
1267
            if (optarg2 == NULL)
1268
              einfo (_("%P%F: invalid argument to option"
1269
                       " \"--section-start\"\n"));
1270
 
1271
            optarg2++;
1272
 
1273
            /* So far so good.  Are all the args present?  */
1274
            if ((*optarg == '\0') || (*optarg2 == '\0'))
1275
              einfo (_("%P%F: missing argument(s) to option"
1276
                       " \"--section-start\"\n"));
1277
 
1278
            /* We must copy the section name as set_section_start
1279
               doesn't do it for us.  */
1280
            len = optarg2 - optarg;
1281
            sec_name = (char *) xmalloc (len);
1282
            memcpy (sec_name, optarg, len - 1);
1283
            sec_name[len - 1] = 0;
1284
 
1285
            /* Then set it...  */
1286
            set_section_start (sec_name, optarg2);
1287
          }
1288
          break;
1289
        case OPTION_TARGET_HELP:
1290
          /* Mention any target specific options.  */
1291
          ldemul_list_emulation_options (stdout);
1292
          exit (0);
1293
        case OPTION_TBSS:
1294
          set_segment_start (".bss", optarg);
1295
          break;
1296
        case OPTION_TDATA:
1297
          set_segment_start (".data", optarg);
1298
          break;
1299
        case OPTION_TTEXT:
1300
          set_segment_start (".text", optarg);
1301
          break;
1302
        case OPTION_TTEXT_SEGMENT:
1303
          set_segment_start (".text-segment", optarg);
1304
          break;
1305
        case OPTION_TRADITIONAL_FORMAT:
1306
          link_info.traditional_format = TRUE;
1307
          break;
1308
        case OPTION_TASK_LINK:
1309
          link_info.task_link = TRUE;
1310
          /* Fall through - do an implied -r option.  */
1311
        case OPTION_UR:
1312
          link_info.relocatable = TRUE;
1313
          config.build_constructors = TRUE;
1314
          config.magic_demand_paged = FALSE;
1315
          config.text_read_only = FALSE;
1316
          config.dynamic_link = FALSE;
1317
          break;
1318
        case 'u':
1319
          ldlang_add_undef (optarg, TRUE);
1320
          break;
1321
        case OPTION_UNIQUE:
1322
          if (optarg != NULL)
1323
            lang_add_unique (optarg);
1324
          else
1325
            config.unique_orphan_sections = TRUE;
1326
          break;
1327
        case OPTION_VERBOSE:
1328
          ldversion (1);
1329
          version_printed = TRUE;
1330
          trace_file_tries = TRUE;
1331
          overflow_cutoff_limit = -2;
1332
          if (optarg != NULL)
1333
            {
1334
              char *end;
1335
              int level ATTRIBUTE_UNUSED = strtoul (optarg, &end, 0);
1336
              if (*end)
1337
                einfo (_("%P%F: invalid number `%s'\n"), optarg);
1338
#ifdef ENABLE_PLUGINS
1339
              report_plugin_symbols = level > 1;
1340
#endif /* ENABLE_PLUGINS */
1341
            }
1342
          break;
1343
        case 'v':
1344
          ldversion (0);
1345
          version_printed = TRUE;
1346
          break;
1347
        case 'V':
1348
          ldversion (1);
1349
          version_printed = TRUE;
1350
          break;
1351
        case OPTION_VERSION:
1352
          ldversion (2);
1353
          xexit (0);
1354
          break;
1355
        case OPTION_VERSION_SCRIPT:
1356
          /* This option indicates a small script that only specifies
1357
             version information.  Read it, but don't assume that
1358
             we've seen a linker script.  */
1359
          {
1360
            FILE *hold_script_handle;
1361
 
1362
            hold_script_handle = saved_script_handle;
1363
            ldfile_open_command_file (optarg);
1364
            saved_script_handle = hold_script_handle;
1365
            parser_input = input_version_script;
1366
            yyparse ();
1367
          }
1368
          break;
1369
        case OPTION_VERSION_EXPORTS_SECTION:
1370
          /* This option records a version symbol to be applied to the
1371
             symbols listed for export to be found in the object files
1372
             .exports sections.  */
1373
          command_line.version_exports_section = optarg;
1374
          break;
1375
        case OPTION_DYNAMIC_LIST_DATA:
1376
          command_line.dynamic_list = dynamic_list_data;
1377
          if (command_line.symbolic == symbolic)
1378
            command_line.symbolic = symbolic_unset;
1379
          break;
1380
        case OPTION_DYNAMIC_LIST_CPP_TYPEINFO:
1381
          lang_append_dynamic_list_cpp_typeinfo ();
1382
          if (command_line.dynamic_list != dynamic_list_data)
1383
            command_line.dynamic_list = dynamic_list;
1384
          if (command_line.symbolic == symbolic)
1385
            command_line.symbolic = symbolic_unset;
1386
          break;
1387
        case OPTION_DYNAMIC_LIST_CPP_NEW:
1388
          lang_append_dynamic_list_cpp_new ();
1389
          if (command_line.dynamic_list != dynamic_list_data)
1390
            command_line.dynamic_list = dynamic_list;
1391
          if (command_line.symbolic == symbolic)
1392
            command_line.symbolic = symbolic_unset;
1393
          break;
1394
        case OPTION_DYNAMIC_LIST:
1395
          /* This option indicates a small script that only specifies
1396
             a dynamic list.  Read it, but don't assume that we've
1397
             seen a linker script.  */
1398
          {
1399
            FILE *hold_script_handle;
1400
 
1401
            hold_script_handle = saved_script_handle;
1402
            ldfile_open_command_file (optarg);
1403
            saved_script_handle = hold_script_handle;
1404
            parser_input = input_dynamic_list;
1405
            yyparse ();
1406
          }
1407
          if (command_line.dynamic_list != dynamic_list_data)
1408
            command_line.dynamic_list = dynamic_list;
1409
          if (command_line.symbolic == symbolic)
1410
            command_line.symbolic = symbolic_unset;
1411
          break;
1412
        case OPTION_WARN_COMMON:
1413
          config.warn_common = TRUE;
1414
          break;
1415
        case OPTION_WARN_CONSTRUCTORS:
1416
          config.warn_constructors = TRUE;
1417
          break;
1418
        case OPTION_WARN_FATAL:
1419
          config.fatal_warnings = TRUE;
1420
          break;
1421
        case OPTION_NO_WARN_FATAL:
1422
          config.fatal_warnings = FALSE;
1423
          break;
1424
        case OPTION_WARN_MULTIPLE_GP:
1425
          config.warn_multiple_gp = TRUE;
1426
          break;
1427
        case OPTION_WARN_ONCE:
1428
          config.warn_once = TRUE;
1429
          break;
1430
        case OPTION_WARN_SECTION_ALIGN:
1431
          config.warn_section_align = TRUE;
1432
          break;
1433
        case OPTION_WARN_SHARED_TEXTREL:
1434
          link_info.warn_shared_textrel = TRUE;
1435
          break;
1436
        case OPTION_WARN_ALTERNATE_EM:
1437
          link_info.warn_alternate_em = TRUE;
1438
          break;
1439
        case OPTION_WHOLE_ARCHIVE:
1440
          whole_archive = TRUE;
1441
          break;
1442
        case OPTION_ADD_DT_NEEDED_FOR_DYNAMIC:
1443
          add_DT_NEEDED_for_dynamic = TRUE;
1444
          break;
1445
        case OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC:
1446
          add_DT_NEEDED_for_dynamic = FALSE;
1447
          break;
1448
        case OPTION_ADD_DT_NEEDED_FOR_REGULAR:
1449
          add_DT_NEEDED_for_regular = TRUE;
1450
          break;
1451
        case OPTION_NO_ADD_DT_NEEDED_FOR_REGULAR:
1452
          add_DT_NEEDED_for_regular = FALSE;
1453
          break;
1454
        case OPTION_WRAP:
1455
          add_wrap (optarg);
1456
          break;
1457
        case OPTION_DISCARD_NONE:
1458
          link_info.discard = discard_none;
1459
          break;
1460
        case 'X':
1461
          link_info.discard = discard_l;
1462
          break;
1463
        case 'x':
1464
          link_info.discard = discard_all;
1465
          break;
1466
        case 'Y':
1467
          if (CONST_STRNEQ (optarg, "P,"))
1468
            optarg += 2;
1469
          if (default_dirlist != NULL)
1470
            free (default_dirlist);
1471
          default_dirlist = xstrdup (optarg);
1472
          break;
1473
        case 'y':
1474
          add_ysym (optarg);
1475
          break;
1476
        case OPTION_SPARE_DYNAMIC_TAGS:
1477
          link_info.spare_dynamic_tags = strtoul (optarg, NULL, 0);
1478
          break;
1479
        case OPTION_SPLIT_BY_RELOC:
1480
          if (optarg != NULL)
1481
            config.split_by_reloc = strtoul (optarg, NULL, 0);
1482
          else
1483
            config.split_by_reloc = 32768;
1484
          break;
1485
        case OPTION_SPLIT_BY_FILE:
1486
          if (optarg != NULL)
1487
            config.split_by_file = bfd_scan_vma (optarg, NULL, 0);
1488
          else
1489
            config.split_by_file = 1;
1490
          break;
1491
        case OPTION_CHECK_SECTIONS:
1492
          command_line.check_section_addresses = 1;
1493
          break;
1494
        case OPTION_NO_CHECK_SECTIONS:
1495
          command_line.check_section_addresses = 0;
1496
          break;
1497
        case OPTION_ACCEPT_UNKNOWN_INPUT_ARCH:
1498
          command_line.accept_unknown_input_arch = TRUE;
1499
          break;
1500
        case OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH:
1501
          command_line.accept_unknown_input_arch = FALSE;
1502
          break;
1503
        case '(':
1504
          lang_enter_group ();
1505
          ingroup++;
1506
          break;
1507
        case ')':
1508
          if (! ingroup)
1509
            einfo (_("%P%F: group ended before it began (--help for usage)\n"));
1510
 
1511
          lang_leave_group ();
1512
          ingroup--;
1513
          break;
1514
 
1515
        case OPTION_INIT:
1516
          link_info.init_function = optarg;
1517
          break;
1518
 
1519
        case OPTION_FINI:
1520
          link_info.fini_function = optarg;
1521
          break;
1522
 
1523
        case OPTION_REDUCE_MEMORY_OVERHEADS:
1524
          link_info.reduce_memory_overheads = TRUE;
1525
          if (config.hash_table_size == 0)
1526
            config.hash_table_size = 1021;
1527
          break;
1528
 
1529
        case OPTION_HASH_SIZE:
1530
          {
1531
            bfd_size_type new_size;
1532
 
1533
            new_size = strtoul (optarg, NULL, 0);
1534
            if (new_size)
1535
              config.hash_table_size = new_size;
1536
            else
1537
              einfo (_("%P%X: --hash-size needs a numeric argument\n"));
1538
          }
1539
          break;
1540
        }
1541
    }
1542
 
1543
  while (ingroup)
1544
    {
1545
      lang_leave_group ();
1546
      ingroup--;
1547
    }
1548
 
1549
  if (default_dirlist != NULL)
1550
    {
1551
      set_default_dirlist (default_dirlist);
1552
      free (default_dirlist);
1553
    }
1554
 
1555
  if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET)
1556
    /* FIXME: Should we allow emulations a chance to set this ?  */
1557
    link_info.unresolved_syms_in_objects = how_to_report_unresolved_symbols;
1558
 
1559
  if (link_info.unresolved_syms_in_shared_libs == RM_NOT_YET_SET)
1560
    /* FIXME: Should we allow emulations a chance to set this ?  */
1561
    link_info.unresolved_syms_in_shared_libs = how_to_report_unresolved_symbols;
1562
 
1563 163 khays
  if (link_info.relocatable)
1564
    {
1565
      if (command_line.check_section_addresses < 0)
1566
        command_line.check_section_addresses = 0;
1567
      if (link_info.shared)
1568
        einfo (_("%P%F: -r and -shared may not be used together\n"));
1569
    }
1570
 
1571
  /* We may have -Bsymbolic, -Bsymbolic-functions, --dynamic-list-data,
1572
     --dynamic-list-cpp-new, --dynamic-list-cpp-typeinfo and
1573
     --dynamic-list FILE.  -Bsymbolic and -Bsymbolic-functions are
1574
     for shared libraries.  -Bsymbolic overrides all others and vice
1575
     versa.  */
1576
  switch (command_line.symbolic)
1577
    {
1578
    case symbolic_unset:
1579
      break;
1580
    case symbolic:
1581
      /* -Bsymbolic is for shared library only.  */
1582
      if (link_info.shared)
1583
        {
1584
          link_info.symbolic = TRUE;
1585
          /* Should we free the unused memory?  */
1586
          link_info.dynamic_list = NULL;
1587
          command_line.dynamic_list = dynamic_list_unset;
1588
        }
1589
      break;
1590
    case symbolic_functions:
1591
      /* -Bsymbolic-functions is for shared library only.  */
1592
      if (link_info.shared)
1593
        command_line.dynamic_list = dynamic_list_data;
1594
      break;
1595
    }
1596
 
1597
  switch (command_line.dynamic_list)
1598
    {
1599
    case dynamic_list_unset:
1600
      break;
1601
    case dynamic_list_data:
1602
      link_info.dynamic_data = TRUE;
1603
    case dynamic_list:
1604
      link_info.dynamic = TRUE;
1605
      break;
1606
    }
1607
 
1608
  if (! link_info.shared)
1609
    {
1610
      if (command_line.filter_shlib)
1611
        einfo (_("%P%F: -F may not be used without -shared\n"));
1612
      if (command_line.auxiliary_filters)
1613
        einfo (_("%P%F: -f may not be used without -shared\n"));
1614
    }
1615
 
1616
  if (! link_info.shared || link_info.pie)
1617
    link_info.executable = TRUE;
1618
 
1619
  /* Treat ld -r -s as ld -r -S -x (i.e., strip all local symbols).  I
1620
     don't see how else this can be handled, since in this case we
1621
     must preserve all externally visible symbols.  */
1622
  if (link_info.relocatable && link_info.strip == strip_all)
1623
    {
1624
      link_info.strip = strip_debugger;
1625
      if (link_info.discard == discard_sec_merge)
1626
        link_info.discard = discard_all;
1627
    }
1628 145 khays
}
1629
 
1630
/* Add the (colon-separated) elements of DIRLIST_PTR to the
1631
   library search path.  */
1632
 
1633
static void
1634
set_default_dirlist (char *dirlist_ptr)
1635
{
1636
  char *p;
1637
 
1638
  while (1)
1639
    {
1640
      p = strchr (dirlist_ptr, PATH_SEPARATOR);
1641
      if (p != NULL)
1642
        *p = '\0';
1643
      if (*dirlist_ptr != '\0')
1644
        ldfile_add_library_path (dirlist_ptr, TRUE);
1645
      if (p == NULL)
1646
        break;
1647
      dirlist_ptr = p + 1;
1648
    }
1649
}
1650
 
1651
static void
1652
set_section_start (char *sect, char *valstr)
1653
{
1654
  const char *end;
1655
  bfd_vma val = bfd_scan_vma (valstr, &end, 16);
1656
  if (*end)
1657
    einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
1658
  lang_section_start (sect, exp_intop (val), NULL);
1659
}
1660
 
1661
static void
1662
set_segment_start (const char *section, char *valstr)
1663
{
1664
  const char *name;
1665
  const char *end;
1666
  segment_type *seg;
1667
 
1668
  bfd_vma val = bfd_scan_vma (valstr, &end, 16);
1669
  if (*end)
1670
    einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
1671
  /* If we already have an entry for this segment, update the existing
1672
     value.  */
1673
  name = section + 1;
1674
  for (seg = segments; seg; seg = seg->next)
1675
    if (strcmp (seg->name, name) == 0)
1676
      {
1677
        seg->value = val;
1678
        return;
1679
      }
1680
  /* There was no existing value so we must create a new segment
1681
     entry.  */
1682
  seg = (segment_type *) stat_alloc (sizeof (*seg));
1683
  seg->name = name;
1684
  seg->value = val;
1685
  seg->used = FALSE;
1686
  /* Add it to the linked list of segments.  */
1687
  seg->next = segments;
1688
  segments = seg;
1689
  /* Historically, -Ttext and friends set the base address of a
1690
     particular section.  For backwards compatibility, we still do
1691
     that.  If a SEGMENT_START directive is seen, the section address
1692
     assignment will be disabled.  */
1693
  lang_section_start (section, exp_intop (val), seg);
1694
}
1695
 
1696
 
1697
/* Print help messages for the options.  */
1698
 
1699
static void
1700
help (void)
1701
{
1702
  unsigned i;
1703
  const char **targets, **pp;
1704
  int len;
1705
 
1706
  printf (_("Usage: %s [options] file...\n"), program_name);
1707
 
1708
  printf (_("Options:\n"));
1709
  for (i = 0; i < OPTION_COUNT; i++)
1710
    {
1711
      if (ld_options[i].doc != NULL)
1712
        {
1713
          bfd_boolean comma;
1714
          unsigned j;
1715
 
1716
          printf ("  ");
1717
 
1718
          comma = FALSE;
1719
          len = 2;
1720
 
1721
          j = i;
1722
          do
1723
            {
1724
              if (ld_options[j].shortopt != '\0'
1725
                  && ld_options[j].control != NO_HELP)
1726
                {
1727
                  printf ("%s-%c", comma ? ", " : "", ld_options[j].shortopt);
1728
                  len += (comma ? 2 : 0) + 2;
1729
                  if (ld_options[j].arg != NULL)
1730
                    {
1731
                      if (ld_options[j].opt.has_arg != optional_argument)
1732
                        {
1733
                          printf (" ");
1734
                          ++len;
1735
                        }
1736
                      printf ("%s", _(ld_options[j].arg));
1737
                      len += strlen (_(ld_options[j].arg));
1738
                    }
1739
                  comma = TRUE;
1740
                }
1741
              ++j;
1742
            }
1743
          while (j < OPTION_COUNT && ld_options[j].doc == NULL);
1744
 
1745
          j = i;
1746
          do
1747
            {
1748
              if (ld_options[j].opt.name != NULL
1749
                  && ld_options[j].control != NO_HELP)
1750
                {
1751
                  int two_dashes =
1752
                    (ld_options[j].control == TWO_DASHES
1753
                     || ld_options[j].control == EXACTLY_TWO_DASHES);
1754
 
1755
                  printf ("%s-%s%s",
1756
                          comma ? ", " : "",
1757
                          two_dashes ? "-" : "",
1758
                          ld_options[j].opt.name);
1759
                  len += ((comma ? 2 : 0)
1760
                          + 1
1761
                          + (two_dashes ? 1 : 0)
1762
                          + strlen (ld_options[j].opt.name));
1763
                  if (ld_options[j].arg != NULL)
1764
                    {
1765
                      printf (" %s", _(ld_options[j].arg));
1766
                      len += 1 + strlen (_(ld_options[j].arg));
1767
                    }
1768
                  comma = TRUE;
1769
                }
1770
              ++j;
1771
            }
1772
          while (j < OPTION_COUNT && ld_options[j].doc == NULL);
1773
 
1774
          if (len >= 30)
1775
            {
1776
              printf ("\n");
1777
              len = 0;
1778
            }
1779
 
1780
          for (; len < 30; len++)
1781
            putchar (' ');
1782
 
1783
          printf ("%s\n", _(ld_options[i].doc));
1784
        }
1785
    }
1786
  printf (_("  @FILE"));
1787
  for (len = strlen ("  @FILE"); len < 30; len++)
1788
    putchar (' ');
1789
  printf (_("Read options from FILE\n"));
1790
 
1791
  /* Note: Various tools (such as libtool) depend upon the
1792
     format of the listings below - do not change them.  */
1793
  /* xgettext:c-format */
1794
  printf (_("%s: supported targets:"), program_name);
1795
  targets = bfd_target_list ();
1796
  for (pp = targets; *pp != NULL; pp++)
1797
    printf (" %s", *pp);
1798
  free (targets);
1799
  printf ("\n");
1800
 
1801
  /* xgettext:c-format */
1802
  printf (_("%s: supported emulations: "), program_name);
1803
  ldemul_list_emulations (stdout);
1804
  printf ("\n");
1805
 
1806
  /* xgettext:c-format */
1807
  printf (_("%s: emulation specific options:\n"), program_name);
1808
  ldemul_list_emulation_options (stdout);
1809
  printf ("\n");
1810
 
1811
  if (REPORT_BUGS_TO[0])
1812
    printf (_("Report bugs to %s\n"), REPORT_BUGS_TO);
1813
}

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