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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [ld/] [lexsup.c] - Blame information for rev 148

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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 
};
179 
 
180 
/* The long options.  This structure is used for both the option
181 
   parsing and the help text.  */
182 
 
183 
enum control_enum {
184 
  /* Use one dash before long option name.  */
185 
  ONE_DASH,
186 
  /* Use two dashes before long option name.  */
187 
  TWO_DASHES,
188 
  /* Only accept two dashes before the long option name.
189 
     This is an overloading of the use of this enum, since originally it
190 
     was only intended to tell the --help display function how to display
191 
     the long option name.  This feature was added in order to resolve
192 
     the confusion about the -omagic command line switch.  Is it setting
193 
     the output file name to "magic" or is it setting the NMAGIC flag on
194 
     the output ?  It has been decided that it is setting the output file
195 
     name, and that if you want to set the NMAGIC flag you should use -N
196 
     or --omagic.  */
197 
  EXACTLY_TWO_DASHES,
198 
  /* Don't mention this option in --help output.  */
199 
  NO_HELP
200 
};
201 
 
202 
struct ld_option
203 
{
204 
  /* The long option information.  */
205 
  struct option opt;
206 
  /* The short option with the same meaning ('\0' if none).  */
207 
  char shortopt;
208 
  /* The name of the argument (NULL if none).  */
209 
  const char *arg;
210 
  /* The documentation string.  If this is NULL, this is a synonym for
211 
     the previous option.  */
212 
  const char *doc;
213 
  enum control_enum control;
214 
};
215 
 
216 
static const struct ld_option ld_options[] =
217 
{
218 
  { {NULL, required_argument, NULL, '\0'},
219 
    'a', N_("KEYWORD"), N_("Shared library control for HP/UX compatibility"),
220 
    ONE_DASH },
221 
  { {"architecture", required_argument, NULL, 'A'},
222 
    'A', N_("ARCH"), N_("Set architecture") , TWO_DASHES },
223 
  { {"format", required_argument, NULL, 'b'},
224 
    'b', N_("TARGET"), N_("Specify target for following input files"),
225 
    TWO_DASHES },
226 
  { {"mri-script", required_argument, NULL, 'c'},
227 
    'c', N_("FILE"), N_("Read MRI format linker script"), TWO_DASHES },
228 
  { {"dc", no_argument, NULL, 'd'},
229 
    'd', NULL, N_("Force common symbols to be defined"), ONE_DASH },
230 
  { {"dp", no_argument, NULL, 'd'},
231 
    '\0', NULL, NULL, ONE_DASH },
232 
  { {"entry", required_argument, NULL, 'e'},
233 
    'e', N_("ADDRESS"), N_("Set start address"), TWO_DASHES },
234 
  { {"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC},
235 
    'E', NULL, N_("Export all dynamic symbols"), TWO_DASHES },
236 
  { {"no-export-dynamic", no_argument, NULL, OPTION_NO_EXPORT_DYNAMIC},
237 
    '\0', NULL, N_("Undo the effect of --export-dynamic"), TWO_DASHES },
238 
  { {"EB", no_argument, NULL, OPTION_EB},
239 
    '\0', NULL, N_("Link big-endian objects"), ONE_DASH },
240 
  { {"EL", no_argument, NULL, OPTION_EL},
241 
    '\0', NULL, N_("Link little-endian objects"), ONE_DASH },
242 
  { {"auxiliary", required_argument, NULL, 'f'},
243 
    'f', N_("SHLIB"), N_("Auxiliary filter for shared object symbol table"),
244 
    TWO_DASHES },
245 
  { {"filter", required_argument, NULL, 'F'},
246 
    'F', N_("SHLIB"), N_("Filter for shared object symbol table"),
247 
    TWO_DASHES },
248 
  { {NULL, no_argument, NULL, '\0'},
249 
    'g', NULL, N_("Ignored"), ONE_DASH },
250 
  { {"gpsize", required_argument, NULL, 'G'},
251 
    'G', N_("SIZE"), N_("Small data size (if no size, same as --shared)"),
252 
    TWO_DASHES },
253 
  { {"soname", required_argument, NULL, OPTION_SONAME},
254 
    'h', N_("FILENAME"), N_("Set internal name of shared library"), ONE_DASH },
255 
  { {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
256 
    'I', N_("PROGRAM"), N_("Set PROGRAM as the dynamic linker to use"),
257 
    TWO_DASHES },
258 
  { {"library", required_argument, NULL, 'l'},
259 
    'l', N_("LIBNAME"), N_("Search for library LIBNAME"), TWO_DASHES },
260 
  { {"library-path", required_argument, NULL, 'L'},
261 
    'L', N_("DIRECTORY"), N_("Add DIRECTORY to library search path"),
262 
    TWO_DASHES },
263 
  { {"sysroot=<DIRECTORY>", required_argument, NULL, OPTION_SYSROOT},
264 
    '\0', NULL, N_("Override the default sysroot location"), TWO_DASHES },
265 
  { {NULL, required_argument, NULL, '\0'},
266 
    'm', N_("EMULATION"), N_("Set emulation"), ONE_DASH },
267 
  { {"print-map", no_argument, NULL, 'M'},
268 
    'M', NULL, N_("Print map file on standard output"), TWO_DASHES },
269 
  { {"nmagic", no_argument, NULL, 'n'},
270 
    'n', NULL, N_("Do not page align data"), TWO_DASHES },
271 
  { {"omagic", no_argument, NULL, 'N'},
272 
    'N', NULL, N_("Do not page align data, do not make text readonly"),
273 
    EXACTLY_TWO_DASHES },
274 
  { {"no-omagic", no_argument, NULL, OPTION_NO_OMAGIC},
275 
    '\0', NULL, N_("Page align data, make text readonly"),
276 
    EXACTLY_TWO_DASHES },
277 
  { {"output", required_argument, NULL, 'o'},
278 
    'o', N_("FILE"), N_("Set output file name"), EXACTLY_TWO_DASHES },
279 
  { {NULL, required_argument, NULL, '\0'},
280 
    'O', NULL, N_("Optimize output file"), ONE_DASH },
281 
#ifdef ENABLE_PLUGINS
282 
  { {"plugin", required_argument, NULL, OPTION_PLUGIN},
283 
    '\0', N_("PLUGIN"), N_("Load named plugin"), ONE_DASH },
284 
  { {"plugin-opt", required_argument, NULL, OPTION_PLUGIN_OPT},
285 
    '\0', N_("ARG"), N_("Send arg to last-loaded plugin"), ONE_DASH },
286 
  { {"flto", optional_argument, NULL, OPTION_IGNORE},
287 
    '\0', NULL, N_("Ignored for GCC LTO option compatibility"),
288 
    ONE_DASH },
289 
  { {"flto-partition=", required_argument, NULL, OPTION_IGNORE},
290 
    '\0', NULL, N_("Ignored for GCC LTO option compatibility"),
291 
    ONE_DASH },
292 
#endif /* ENABLE_PLUGINS */
293 
  { {"Qy", no_argument, NULL, OPTION_IGNORE},
294 
    '\0', NULL, N_("Ignored for SVR4 compatibility"), ONE_DASH },
295 
  { {"emit-relocs", no_argument, NULL, 'q'},
296 
    'q', NULL, "Generate relocations in final output", TWO_DASHES },
297 
  { {"relocatable", no_argument, NULL, 'r'},
298 
    'r', NULL, N_("Generate relocatable output"), TWO_DASHES },
299 
  { {NULL, no_argument, NULL, '\0'},
300 
    'i', NULL, NULL, ONE_DASH },
301 
  { {"just-symbols", required_argument, NULL, 'R'},
302 
    'R', N_("FILE"), N_("Just link symbols (if directory, same as --rpath)"),
303 
    TWO_DASHES },
304 
  { {"strip-all", no_argument, NULL, 's'},
305 
    's', NULL, N_("Strip all symbols"), TWO_DASHES },
306 
  { {"strip-debug", no_argument, NULL, 'S'},
307 
    'S', NULL, N_("Strip debugging symbols"), TWO_DASHES },
308 
  { {"strip-discarded", no_argument, NULL, OPTION_STRIP_DISCARDED},
309 
    '\0', NULL, N_("Strip symbols in discarded sections"), TWO_DASHES },
310 
  { {"no-strip-discarded", no_argument, NULL, OPTION_NO_STRIP_DISCARDED},
311 
    '\0', NULL, N_("Do not strip symbols in discarded sections"), TWO_DASHES },
312 
  { {"trace", no_argument, NULL, 't'},
313 
    't', NULL, N_("Trace file opens"), TWO_DASHES },
314 
  { {"script", required_argument, NULL, 'T'},
315 
    'T', N_("FILE"), N_("Read linker script"), TWO_DASHES },
316 
  { {"default-script", required_argument, NULL, OPTION_DEFAULT_SCRIPT},
317 
    '\0', N_("FILE"), N_("Read default linker script"), TWO_DASHES },
318 
  { {"dT", required_argument, NULL, OPTION_DEFAULT_SCRIPT},
319 
    '\0', NULL, NULL, ONE_DASH },
320 
  { {"undefined", required_argument, NULL, 'u'},
321 
    'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"),
322 
    TWO_DASHES },
323 
  { {"unique", optional_argument, NULL, OPTION_UNIQUE},
324 
    '\0', N_("[=SECTION]"),
325 
    N_("Don't merge input [SECTION | orphan] sections"), TWO_DASHES },
326 
  { {"Ur", no_argument, NULL, OPTION_UR},
327 
    '\0', NULL, N_("Build global constructor/destructor tables"), ONE_DASH },
328 
  { {"version", no_argument, NULL, OPTION_VERSION},
329 
    'v', NULL, N_("Print version information"), TWO_DASHES },
330 
  { {NULL, no_argument, NULL, '\0'},
331 
    'V', NULL, N_("Print version and emulation information"), ONE_DASH },
332 
  { {"discard-all", no_argument, NULL, 'x'},
333 
    'x', NULL, N_("Discard all local symbols"), TWO_DASHES },
334 
  { {"discard-locals", no_argument, NULL, 'X'},
335 
    'X', NULL, N_("Discard temporary local symbols (default)"), TWO_DASHES },
336 
  { {"discard-none", no_argument, NULL, OPTION_DISCARD_NONE},
337 
    '\0', NULL, N_("Don't discard any local symbols"), TWO_DASHES },
338 
  { {"trace-symbol", required_argument, NULL, 'y'},
339 
    'y', N_("SYMBOL"), N_("Trace mentions of SYMBOL"), TWO_DASHES },
340 
  { {NULL, required_argument, NULL, '\0'},
341 
    'Y', N_("PATH"), N_("Default search path for Solaris compatibility"),
342 
    ONE_DASH },
343 
  { {"start-group", no_argument, NULL, '('},
344 
    '(', NULL, N_("Start a group"), TWO_DASHES },
345 
  { {"end-group", no_argument, NULL, ')'},
346 
    ')', NULL, N_("End a group"), TWO_DASHES },
347 
  { {"accept-unknown-input-arch", no_argument, NULL,
348 
     OPTION_ACCEPT_UNKNOWN_INPUT_ARCH},
349 
    '\0', NULL,
350 
    N_("Accept input files whose architecture cannot be determined"),
351 
    TWO_DASHES },
352 
  { {"no-accept-unknown-input-arch", no_argument, NULL,
353 
     OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH},
354 
    '\0', NULL, N_("Reject input files whose architecture is unknown"),
355 
    TWO_DASHES },
356 
 
357 
  /* The next two options are deprecated because of their similarity to
358 
     --as-needed and --no-as-needed.  They have been replaced by
359 
     --copy-dt-needed-entries and --no-copy-dt-needed-entries.  */
360 
  { {"add-needed", no_argument, NULL, OPTION_ADD_DT_NEEDED_FOR_DYNAMIC},
361 
    '\0', NULL, NULL, NO_HELP },
362 
  { {"no-add-needed", no_argument, NULL, OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC},
363 
    '\0', NULL, NULL, NO_HELP },
364 
 
365 
  { {"as-needed", no_argument, NULL, OPTION_ADD_DT_NEEDED_FOR_REGULAR},
366 
    '\0', NULL, N_("Only set DT_NEEDED for following dynamic libs if used"),
367 
    TWO_DASHES },
368 
  { {"no-as-needed", no_argument, NULL, OPTION_NO_ADD_DT_NEEDED_FOR_REGULAR},
369 
    '\0', NULL, N_("Always set DT_NEEDED for dynamic libraries mentioned on\n"
370 
                   "                                the command line"),
371 
    TWO_DASHES },
372 
  { {"assert", required_argument, NULL, OPTION_ASSERT},
373 
    '\0', N_("KEYWORD"), N_("Ignored for SunOS compatibility"), ONE_DASH },
374 
  { {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
375 
    '\0', NULL, N_("Link against shared libraries"), ONE_DASH },
376 
  { {"dy", no_argument, NULL, OPTION_CALL_SHARED},
377 
    '\0', NULL, NULL, ONE_DASH },
378 
  { {"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
379 
    '\0', NULL, NULL, ONE_DASH },
380 
  { {"Bstatic", no_argument, NULL, OPTION_NON_SHARED},
381 
    '\0', NULL, N_("Do not link against shared libraries"), ONE_DASH },
382 
  { {"dn", no_argument, NULL, OPTION_NON_SHARED},
383 
    '\0', NULL, NULL, ONE_DASH },
384 
  { {"non_shared", no_argument, NULL, OPTION_NON_SHARED},
385 
    '\0', NULL, NULL, ONE_DASH },
386 
  { {"static", no_argument, NULL, OPTION_NON_SHARED},
387 
    '\0', NULL, NULL, ONE_DASH },
388 
  { {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC},
389 
    '\0', NULL, N_("Bind global references locally"), ONE_DASH },
390 
  { {"Bsymbolic-functions", no_argument, NULL, OPTION_SYMBOLIC_FUNCTIONS},
391 
    '\0', NULL, N_("Bind global function references locally"), ONE_DASH },
392 
  { {"check-sections", no_argument, NULL, OPTION_CHECK_SECTIONS},
393 
    '\0', NULL, N_("Check section addresses for overlaps (default)"),
394 
    TWO_DASHES },
395 
  { {"no-check-sections", no_argument, NULL, OPTION_NO_CHECK_SECTIONS},
396 
    '\0', NULL, N_("Do not check section addresses for overlaps"),
397 
    TWO_DASHES },
398 
  { {"copy-dt-needed-entries", no_argument, NULL,
399 
     OPTION_ADD_DT_NEEDED_FOR_DYNAMIC},
400 
    '\0', NULL, N_("Copy DT_NEEDED links mentioned inside DSOs that follow"),
401 
    TWO_DASHES },
402 
  { {"no-copy-dt-needed-entries", no_argument, NULL,
403 
     OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC},
404 
    '\0', NULL, N_("Do not copy DT_NEEDED links mentioned inside DSOs that follow"),
405 
    TWO_DASHES },
406 
 
407 
  { {"cref", no_argument, NULL, OPTION_CREF},
408 
    '\0', NULL, N_("Output cross reference table"), TWO_DASHES },
409 
  { {"defsym", required_argument, NULL, OPTION_DEFSYM},
410 
    '\0', N_("SYMBOL=EXPRESSION"), N_("Define a symbol"), TWO_DASHES },
411 
  { {"demangle", optional_argument, NULL, OPTION_DEMANGLE},
412 
    '\0', N_("[=STYLE]"), N_("Demangle symbol names [using STYLE]"),
413 
    TWO_DASHES },
414 
  { {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
415 
    '\0', NULL, N_("Generate embedded relocs"), TWO_DASHES},
416 
  { {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL},
417 
    '\0', NULL, N_("Treat warnings as errors"),
418 
    TWO_DASHES },
419 
  { {"no-fatal-warnings", no_argument, NULL, OPTION_NO_WARN_FATAL},
420 
    '\0', NULL, N_("Do not treat warnings as errors (default)"),
421 
    TWO_DASHES },
422 
  { {"fini", required_argument, NULL, OPTION_FINI},
423 
    '\0', N_("SYMBOL"), N_("Call SYMBOL at unload-time"), ONE_DASH },
424 
  { {"force-exe-suffix", no_argument, NULL, OPTION_FORCE_EXE_SUFFIX},
425 
    '\0', NULL, N_("Force generation of file with .exe suffix"), TWO_DASHES},
426 
  { {"gc-sections", no_argument, NULL, OPTION_GC_SECTIONS},
427 
    '\0', NULL, N_("Remove unused sections (on some targets)"),
428 
    TWO_DASHES },
429 
  { {"no-gc-sections", no_argument, NULL, OPTION_NO_GC_SECTIONS},
430 
    '\0', NULL, N_("Don't remove unused sections (default)"),
431 
    TWO_DASHES },
432 
  { {"print-gc-sections", no_argument, NULL, OPTION_PRINT_GC_SECTIONS},
433 
    '\0', NULL, N_("List removed unused sections on stderr"),
434 
    TWO_DASHES },
435 
  { {"no-print-gc-sections", no_argument, NULL, OPTION_NO_PRINT_GC_SECTIONS},
436 
    '\0', NULL, N_("Do not list removed unused sections"),
437 
    TWO_DASHES },
438 
  { {"hash-size=<NUMBER>", required_argument, NULL, OPTION_HASH_SIZE},
439 
    '\0', NULL, N_("Set default hash table size close to <NUMBER>"),
440 
    TWO_DASHES },
441 
  { {"help", no_argument, NULL, OPTION_HELP},
442 
    '\0', NULL, N_("Print option help"), TWO_DASHES },
443 
  { {"init", required_argument, NULL, OPTION_INIT},
444 
    '\0', N_("SYMBOL"), N_("Call SYMBOL at load-time"), ONE_DASH },
445 
  { {"Map", required_argument, NULL, OPTION_MAP},
446 
    '\0', N_("FILE"), N_("Write a map file"), ONE_DASH },
447 
  { {"no-define-common", no_argument, NULL, OPTION_NO_DEFINE_COMMON},
448 
    '\0', NULL, N_("Do not define Common storage"), TWO_DASHES },
449 
  { {"no-demangle", no_argument, NULL, OPTION_NO_DEMANGLE },
450 
    '\0', NULL, N_("Do not demangle symbol names"), TWO_DASHES },
451 
  { {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
452 
    '\0', NULL, N_("Use less memory and more disk I/O"), TWO_DASHES },
453 
  { {"no-undefined", no_argument, NULL, OPTION_NO_UNDEFINED},
454 
    '\0', NULL, N_("Do not allow unresolved references in object files"),
455 
    TWO_DASHES },
456 
  { {"allow-shlib-undefined", no_argument, NULL, OPTION_ALLOW_SHLIB_UNDEFINED},
457 
    '\0', NULL, N_("Allow unresolved references in shared libraries"),
458 
    TWO_DASHES },
459 
  { {"no-allow-shlib-undefined", no_argument, NULL,
460 
     OPTION_NO_ALLOW_SHLIB_UNDEFINED},
461 
    '\0', NULL, N_("Do not allow unresolved references in shared libs"),
462 
    TWO_DASHES },
463 
  { {"allow-multiple-definition", no_argument, NULL,
464 
     OPTION_ALLOW_MULTIPLE_DEFINITION},
465 
    '\0', NULL, N_("Allow multiple definitions"), TWO_DASHES },
466 
  { {"no-undefined-version", no_argument, NULL, OPTION_NO_UNDEFINED_VERSION},
467 
    '\0', NULL, N_("Disallow undefined version"), TWO_DASHES },
468 
  { {"default-symver", no_argument, NULL, OPTION_DEFAULT_SYMVER},
469 
    '\0', NULL, N_("Create default symbol version"), TWO_DASHES },
470 
  { {"default-imported-symver", no_argument, NULL,
471 
      OPTION_DEFAULT_IMPORTED_SYMVER},
472 
    '\0', NULL, N_("Create default symbol version for imported symbols"),
473 
    TWO_DASHES },
474 
  { {"no-warn-mismatch", no_argument, NULL, OPTION_NO_WARN_MISMATCH},
475 
    '\0', NULL, N_("Don't warn about mismatched input files"), TWO_DASHES},
476 
  { {"no-warn-search-mismatch", no_argument, NULL,
477 
     OPTION_NO_WARN_SEARCH_MISMATCH},
478 
    '\0', NULL, N_("Don't warn on finding an incompatible library"),
479 
    TWO_DASHES},
480 
  { {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
481 
    '\0', NULL, N_("Turn off --whole-archive"), TWO_DASHES },
482 
  { {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
483 
    '\0', NULL, N_("Create an output file even if errors occur"),
484 
    TWO_DASHES },
485 
  { {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
486 
    '\0', NULL, NULL, NO_HELP },
487 
  { {"nostdlib", no_argument, NULL, OPTION_NOSTDLIB},
488 
    '\0', NULL, N_("Only use library directories specified on\n"
489 
                   "                                the command line"),
490 
    ONE_DASH },
491 
  { {"oformat", required_argument, NULL, OPTION_OFORMAT},
492 
    '\0', N_("TARGET"), N_("Specify target of output file"),
493 
    EXACTLY_TWO_DASHES },
494 
  { {"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 
 
730 
      /* Using last_optind lets us avoid calling ldemul_parse_args
731 
         multiple times on a single option, which would lead to
732 
         confusion in the internal static variables maintained by
733 
         getopt.  This could otherwise happen for an argument like
734 
         -nx, in which the -n is parsed as a single option, and we
735 
         loop around to pick up the -x.  */
736 
      if (optind != last_optind)
737 
        if (ldemul_parse_args (argc, argv))
738 
          continue;
739 
 
740 
      /* getopt_long_only is like getopt_long, but '-' as well as '--'
741 
         can indicate a long option.  */
742 
      opterr = 0;
743 
      last_optind = optind;
744 
      optc = getopt_long_only (argc, argv, shortopts, longopts, &longind);
745 
      if (optc == '?')
746 
        {
747 
          optind = last_optind;
748 
          optc = getopt_long (argc, argv, "-", really_longopts, &longind);
749 
        }
750 
 
751 
      if (ldemul_handle_option (optc))
752 
        continue;
753 
 
754 
      if (optc == -1)
755 
        break;
756 
 
757 
      switch (optc)
758 
        {
759 
        case '?':
760 
          einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]);
761 
          /* Fall through.  */
762 
 
763 
        default:
764 
          einfo (_("%P%F: use the --help option for usage information\n"));
765 
 
766 
        case 1:                 /* File name.  */
767 
          lang_add_input_file (optarg, lang_input_file_is_file_enum, NULL);
768 
          break;
769 
 
770 
        case OPTION_IGNORE:
771 
          break;
772 
        case 'a':
773 
          /* For HP/UX compatibility.  Actually -a shared should mean
774 
             ``use only shared libraries'' but, then, we don't
775 
             currently support shared libraries on HP/UX anyhow.  */
776 
          if (strcmp (optarg, "archive") == 0)
777 
            config.dynamic_link = FALSE;
778 
          else if (strcmp (optarg, "shared") == 0
779 
                   || strcmp (optarg, "default") == 0)
780 
            config.dynamic_link = TRUE;
781 
          else
782 
            einfo (_("%P%F: unrecognized -a option `%s'\n"), optarg);
783 
          break;
784 
        case OPTION_ASSERT:
785 
          /* FIXME: We just ignore these, but we should handle them.  */
786 
          if (strcmp (optarg, "definitions") == 0)
787 
            ;
788 
          else if (strcmp (optarg, "nodefinitions") == 0)
789 
            ;
790 
          else if (strcmp (optarg, "nosymbolic") == 0)
791 
            ;
792 
          else if (strcmp (optarg, "pure-text") == 0)
793 
            ;
794 
          else
795 
            einfo (_("%P%F: unrecognized -assert option `%s'\n"), optarg);
796 
          break;
797 
        case 'A':
798 
          ldfile_add_arch (optarg);
799 
          break;
800 
        case 'b':
801 
          lang_add_target (optarg);
802 
          break;
803 
        case 'c':
804 
          ldfile_open_command_file (optarg);
805 
          parser_input = input_mri_script;
806 
          yyparse ();
807 
          break;
808 
        case OPTION_CALL_SHARED:
809 
          config.dynamic_link = TRUE;
810 
          break;
811 
        case OPTION_NON_SHARED:
812 
          config.dynamic_link = FALSE;
813 
          break;
814 
        case OPTION_CREF:
815 
          command_line.cref = TRUE;
816 
          link_info.notice_all = TRUE;
817 
          break;
818 
        case 'd':
819 
          command_line.force_common_definition = TRUE;
820 
          break;
821 
        case OPTION_DEFSYM:
822 
          lex_string = optarg;
823 
          lex_redirect (optarg);
824 
          parser_input = input_defsym;
825 
          parsing_defsym = 1;
826 
          yyparse ();
827 
          parsing_defsym = 0;
828 
          lex_string = NULL;
829 
          break;
830 
        case OPTION_DEMANGLE:
831 
          demangling = TRUE;
832 
          if (optarg != NULL)
833 
            {
834 
              enum demangling_styles style;
835 
 
836 
              style = cplus_demangle_name_to_style (optarg);
837 
              if (style == unknown_demangling)
838 
                einfo (_("%F%P: unknown demangling style `%s'"),
839 
                       optarg);
840 
 
841 
              cplus_demangle_set_style (style);
842 
            }
843 
          break;
844 
        case 'I':               /* Used on Solaris.  */
845 
        case OPTION_DYNAMIC_LINKER:
846 
          command_line.interpreter = optarg;
847 
          break;
848 
        case OPTION_SYSROOT:
849 
          /* Already handled in ldmain.c.  */
850 
          break;
851 
        case OPTION_EB:
852 
          command_line.endian = ENDIAN_BIG;
853 
          break;
854 
        case OPTION_EL:
855 
          command_line.endian = ENDIAN_LITTLE;
856 
          break;
857 
        case OPTION_EMBEDDED_RELOCS:
858 
          command_line.embedded_relocs = TRUE;
859 
          break;
860 
        case OPTION_EXPORT_DYNAMIC:
861 
        case 'E': /* HP/UX compatibility.  */
862 
          link_info.export_dynamic = TRUE;
863 
          break;
864 
        case OPTION_NO_EXPORT_DYNAMIC:
865 
          link_info.export_dynamic = FALSE;
866 
          break;
867 
        case 'e':
868 
          lang_add_entry (optarg, TRUE);
869 
          break;
870 
        case 'f':
871 
          if (command_line.auxiliary_filters == NULL)
872 
            {
873 
              command_line.auxiliary_filters = (char **)
874 
                  xmalloc (2 * sizeof (char *));
875 
              command_line.auxiliary_filters[0] = optarg;
876 
              command_line.auxiliary_filters[1] = NULL;
877 
            }
878 
          else
879 
            {
880 
              int c;
881 
              char **p;
882 
 
883 
              c = 0;
884 
              for (p = command_line.auxiliary_filters; *p != NULL; p++)
885 
                ++c;
886 
              command_line.auxiliary_filters = (char **)
887 
                  xrealloc (command_line.auxiliary_filters,
888 
                            (c + 2) * sizeof (char *));
889 
              command_line.auxiliary_filters[c] = optarg;
890 
              command_line.auxiliary_filters[c + 1] = NULL;
891 
            }
892 
          break;
893 
        case 'F':
894 
          command_line.filter_shlib = optarg;
895 
          break;
896 
        case OPTION_FORCE_EXE_SUFFIX:
897 
          command_line.force_exe_suffix = TRUE;
898 
          break;
899 
        case 'G':
900 
          {
901 
            char *end;
902 
            g_switch_value = strtoul (optarg, &end, 0);
903 
            if (*end)
904 
              einfo (_("%P%F: invalid number `%s'\n"), optarg);
905 
          }
906 
          break;
907 
        case 'g':
908 
          /* Ignore.  */
909 
          break;
910 
        case OPTION_GC_SECTIONS:
911 
          link_info.gc_sections = TRUE;
912 
          break;
913 
        case OPTION_PRINT_GC_SECTIONS:
914 
          link_info.print_gc_sections = TRUE;
915 
          break;
916 
        case OPTION_HELP:
917 
          help ();
918 
          xexit (0);
919 
          break;
920 
        case 'L':
921 
          ldfile_add_library_path (optarg, TRUE);
922 
          break;
923 
        case 'l':
924 
          lang_add_input_file (optarg, lang_input_file_is_l_enum, NULL);
925 
          break;
926 
        case 'M':
927 
          config.map_filename = "-";
928 
          break;
929 
        case 'm':
930 
          /* Ignore.  Was handled in a pre-parse.   */
931 
          break;
932 
        case OPTION_MAP:
933 
          config.map_filename = optarg;
934 
          break;
935 
        case 'N':
936 
          config.text_read_only = FALSE;
937 
          config.magic_demand_paged = FALSE;
938 
          config.dynamic_link = FALSE;
939 
          break;
940 
        case OPTION_NO_OMAGIC:
941 
          config.text_read_only = TRUE;
942 
          config.magic_demand_paged = TRUE;
943 
          /* NB/ Does not set dynamic_link to TRUE.
944 
             Use --call-shared or -Bdynamic for this.  */
945 
          break;
946 
        case 'n':
947 
          config.magic_demand_paged = FALSE;
948 
          config.dynamic_link = FALSE;
949 
          break;
950 
        case OPTION_NO_DEFINE_COMMON:
951 
          command_line.inhibit_common_definition = TRUE;
952 
          break;
953 
        case OPTION_NO_DEMANGLE:
954 
          demangling = FALSE;
955 
          break;
956 
        case OPTION_NO_GC_SECTIONS:
957 
          link_info.gc_sections = FALSE;
958 
          break;
959 
        case OPTION_NO_PRINT_GC_SECTIONS:
960 
          link_info.print_gc_sections = FALSE;
961 
          break;
962 
        case OPTION_NO_KEEP_MEMORY:
963 
          link_info.keep_memory = FALSE;
964 
          break;
965 
        case OPTION_NO_UNDEFINED:
966 
          link_info.unresolved_syms_in_objects
967 
            = how_to_report_unresolved_symbols;
968 
          break;
969 
        case OPTION_ALLOW_SHLIB_UNDEFINED:
970 
          link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
971 
          break;
972 
        case OPTION_NO_ALLOW_SHLIB_UNDEFINED:
973 
          link_info.unresolved_syms_in_shared_libs
974 
            = how_to_report_unresolved_symbols;
975 
          break;
976 
        case OPTION_UNRESOLVED_SYMBOLS:
977 
          if (strcmp (optarg, "ignore-all") == 0)
978 
            {
979 
              link_info.unresolved_syms_in_objects = RM_IGNORE;
980 
              link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
981 
            }
982 
          else if (strcmp (optarg, "report-all") == 0)
983 
            {
984 
              link_info.unresolved_syms_in_objects
985 
                = how_to_report_unresolved_symbols;
986 
              link_info.unresolved_syms_in_shared_libs
987 
                = how_to_report_unresolved_symbols;
988 
            }
989 
          else if (strcmp (optarg, "ignore-in-object-files") == 0)
990 
            {
991 
              link_info.unresolved_syms_in_objects = RM_IGNORE;
992 
              link_info.unresolved_syms_in_shared_libs
993 
                = how_to_report_unresolved_symbols;
994 
            }
995 
          else if (strcmp (optarg, "ignore-in-shared-libs") == 0)
996 
            {
997 
              link_info.unresolved_syms_in_objects
998 
                = how_to_report_unresolved_symbols;
999 
              link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
1000 
            }
1001 
          else
1002 
            einfo (_("%P%F: bad --unresolved-symbols option: %s\n"), optarg);
1003 
          break;
1004 
        case OPTION_WARN_UNRESOLVED_SYMBOLS:
1005 
          how_to_report_unresolved_symbols = RM_GENERATE_WARNING;
1006 
          if (link_info.unresolved_syms_in_objects == RM_GENERATE_ERROR)
1007 
            link_info.unresolved_syms_in_objects = RM_GENERATE_WARNING;
1008 
          if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_ERROR)
1009 
            link_info.unresolved_syms_in_shared_libs = RM_GENERATE_WARNING;
1010 
          break;
1011 
 
1012 
        case OPTION_ERROR_UNRESOLVED_SYMBOLS:
1013 
          how_to_report_unresolved_symbols = RM_GENERATE_ERROR;
1014 
          if (link_info.unresolved_syms_in_objects == RM_GENERATE_WARNING)
1015 
            link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
1016 
          if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_WARNING)
1017 
            link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR;
1018 
          break;
1019 
        case OPTION_ALLOW_MULTIPLE_DEFINITION:
1020 
          link_info.allow_multiple_definition = TRUE;
1021 
          break;
1022 
        case OPTION_NO_UNDEFINED_VERSION:
1023 
          link_info.allow_undefined_version = FALSE;
1024 
          break;
1025 
        case OPTION_DEFAULT_SYMVER:
1026 
          link_info.create_default_symver = TRUE;
1027 
          break;
1028 
        case OPTION_DEFAULT_IMPORTED_SYMVER:
1029 
          link_info.default_imported_symver = TRUE;
1030 
          break;
1031 
        case OPTION_NO_WARN_MISMATCH:
1032 
          command_line.warn_mismatch = FALSE;
1033 
          break;
1034 
        case OPTION_NO_WARN_SEARCH_MISMATCH:
1035 
          command_line.warn_search_mismatch = FALSE;
1036 
          break;
1037 
        case OPTION_NOINHIBIT_EXEC:
1038 
          force_make_executable = TRUE;
1039 
          break;
1040 
        case OPTION_NOSTDLIB:
1041 
          config.only_cmd_line_lib_dirs = TRUE;
1042 
          break;
1043 
        case OPTION_NO_WHOLE_ARCHIVE:
1044 
          whole_archive = FALSE;
1045 
          break;
1046 
        case 'O':
1047 
          /* FIXME "-O<non-digits> <value>" used to set the address of
1048 
             section <non-digits>.  Was this for compatibility with
1049 
             something, or can we create a new option to do that
1050 
             (with a syntax similar to -defsym)?
1051 
             getopt can't handle two args to an option without kludges.  */
1052 
 
1053 
          /* Enable optimizations of output files.  */
1054 
          link_info.optimize = strtoul (optarg, NULL, 0) ? TRUE : FALSE;
1055 
          break;
1056 
        case 'o':
1057 
          lang_add_output (optarg, 0);
1058 
          break;
1059 
        case OPTION_OFORMAT:
1060 
          lang_add_output_format (optarg, NULL, NULL, 0);
1061 
          break;
1062 
#ifdef ENABLE_PLUGINS
1063 
        case OPTION_PLUGIN:
1064 
          if (plugin_opt_plugin (optarg))
1065 
            einfo (_("%P%F: %s: error loading plugin\n"),
1066 
                   plugin_error_plugin ());
1067 
          break;
1068 
        case OPTION_PLUGIN_OPT:
1069 
          if (plugin_opt_plugin_arg (optarg))
1070 
            einfo(_("%P%F: bad -plugin-opt option\n"));
1071 
          break;
1072 
#endif /* ENABLE_PLUGINS */
1073 
        case 'q':
1074 
          link_info.emitrelocations = TRUE;
1075 
          break;
1076 
        case 'i':
1077 
        case 'r':
1078 
          if (optind == last_optind)
1079 
            /* This can happen if the user put "-rpath,a" on the command
1080 
               line.  (Or something similar.  The comma is important).
1081 
               Getopt becomes confused and thinks that this is a -r option
1082 
               but it cannot parse the text after the -r so it refuses to
1083 
               increment the optind counter.  Detect this case and issue
1084 
               an error message here.  We cannot just make this a warning,
1085 
               increment optind, and continue because getopt is too confused
1086 
               and will seg-fault the next time around.  */
1087 
            einfo(_("%P%F: bad -rpath option\n"));
1088 
 
1089 
          link_info.relocatable = TRUE;
1090 
          config.build_constructors = FALSE;
1091 
          config.magic_demand_paged = FALSE;
1092 
          config.text_read_only = FALSE;
1093 
          config.dynamic_link = FALSE;
1094 
          break;
1095 
        case 'R':
1096 
          /* The GNU linker traditionally uses -R to mean to include
1097 
             only the symbols from a file.  The Solaris linker uses -R
1098 
             to set the path used by the runtime linker to find
1099 
             libraries.  This is the GNU linker -rpath argument.  We
1100 
             try to support both simultaneously by checking the file
1101 
             named.  If it is a directory, rather than a regular file,
1102 
             we assume -rpath was meant.  */
1103 
          {
1104 
            struct stat s;
1105 
 
1106 
            if (stat (optarg, &s) >= 0
1107 
                && ! S_ISDIR (s.st_mode))
1108 
              {
1109 
                lang_add_input_file (optarg,
1110 
                                     lang_input_file_is_symbols_only_enum,
1111 
                                     NULL);
1112 
                break;
1113 
              }
1114 
          }
1115 
          /* Fall through.  */
1116 
        case OPTION_RPATH:
1117 
          if (command_line.rpath == NULL)
1118 
            command_line.rpath = xstrdup (optarg);
1119 
          else
1120 
            {
1121 
              size_t rpath_len = strlen (command_line.rpath);
1122 
              size_t optarg_len = strlen (optarg);
1123 
              char *buf;
1124 
              char *cp = command_line.rpath;
1125 
 
1126 
              /* First see whether OPTARG is already in the path.  */
1127 
              do
1128 
                {
1129 
                  if (strncmp (optarg, cp, optarg_len) == 0
1130 
                      && (cp[optarg_len] == 0
1131 
                          || cp[optarg_len] == config.rpath_separator))
1132 
                    /* We found it.  */
1133 
                    break;
1134 
 
1135 
                  /* Not yet found.  */
1136 
                  cp = strchr (cp, config.rpath_separator);
1137 
                  if (cp != NULL)
1138 
                    ++cp;
1139 
                }
1140 
              while (cp != NULL);
1141 
 
1142 
              if (cp == NULL)
1143 
                {
1144 
                  buf = (char *) xmalloc (rpath_len + optarg_len + 2);
1145 
                  sprintf (buf, "%s%c%s", command_line.rpath,
1146 
                           config.rpath_separator, optarg);
1147 
                  free (command_line.rpath);
1148 
                  command_line.rpath = buf;
1149 
                }
1150 
            }
1151 
          break;
1152 
        case OPTION_RPATH_LINK:
1153 
          if (command_line.rpath_link == NULL)
1154 
            command_line.rpath_link = xstrdup (optarg);
1155 
          else
1156 
            {
1157 
              char *buf;
1158 
 
1159 
              buf = (char *) xmalloc (strlen (command_line.rpath_link)
1160 
                                      + strlen (optarg)
1161 
                                      + 2);
1162 
              sprintf (buf, "%s%c%s", command_line.rpath_link,
1163 
                       config.rpath_separator, optarg);
1164 
              free (command_line.rpath_link);
1165 
              command_line.rpath_link = buf;
1166 
            }
1167 
          break;
1168 
        case OPTION_NO_RELAX:
1169 
          DISABLE_RELAXATION;
1170 
          break;
1171 
        case OPTION_RELAX:
1172 
          ENABLE_RELAXATION;
1173 
          break;
1174 
        case OPTION_RETAIN_SYMBOLS_FILE:
1175 
          add_keepsyms_file (optarg);
1176 
          break;
1177 
        case 'S':
1178 
          link_info.strip = strip_debugger;
1179 
          break;
1180 
        case 's':
1181 
          link_info.strip = strip_all;
1182 
          break;
1183 
        case OPTION_STRIP_DISCARDED:
1184 
          link_info.strip_discarded = TRUE;
1185 
          break;
1186 
        case OPTION_NO_STRIP_DISCARDED:
1187 
          link_info.strip_discarded = FALSE;
1188 
          break;
1189 
        case OPTION_SHARED:
1190 
          if (config.has_shared)
1191 
            {
1192 
              link_info.shared = TRUE;
1193 
              /* When creating a shared library, the default
1194 
                 behaviour is to ignore any unresolved references.  */
1195 
              if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET)
1196 
                link_info.unresolved_syms_in_objects = RM_IGNORE;
1197 
              if (link_info.unresolved_syms_in_shared_libs == RM_NOT_YET_SET)
1198 
                link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
1199 
            }
1200 
          else
1201 
            einfo (_("%P%F: -shared not supported\n"));
1202 
          break;
1203 
        case OPTION_PIE:
1204 
          if (config.has_shared)
1205 
            {
1206 
              link_info.shared = TRUE;
1207 
              link_info.pie = TRUE;
1208 
            }
1209 
          else
1210 
            einfo (_("%P%F: -pie not supported\n"));
1211 
          break;
1212 
        case 'h':               /* Used on Solaris.  */
1213 
        case OPTION_SONAME:
1214 
          command_line.soname = optarg;
1215 
          break;
1216 
        case OPTION_SORT_COMMON:
1217 
          if (optarg == NULL
1218 
              || strcmp (optarg, N_("descending")) == 0)
1219 
            config.sort_common = sort_descending;
1220 
          else if (strcmp (optarg, N_("ascending")) == 0)
1221 
            config.sort_common = sort_ascending;
1222 
          else
1223 
            einfo (_("%P%F: invalid common section sorting option: %s\n"),
1224 
                   optarg);
1225 
          break;
1226 
        case OPTION_SORT_SECTION:
1227 
          if (strcmp (optarg, N_("name")) == 0)
1228 
            sort_section = by_name;
1229 
          else if (strcmp (optarg, N_("alignment")) == 0)
1230 
            sort_section = by_alignment;
1231 
          else
1232 
            einfo (_("%P%F: invalid section sorting option: %s\n"),
1233 
                   optarg);
1234 
          break;
1235 
        case OPTION_STATS:
1236 
          config.stats = TRUE;
1237 
          break;
1238 
        case OPTION_SYMBOLIC:
1239 
          command_line.symbolic = symbolic;
1240 
          break;
1241 
        case OPTION_SYMBOLIC_FUNCTIONS:
1242 
          command_line.symbolic = symbolic_functions;
1243 
          break;
1244 
        case 't':
1245 
          trace_files = TRUE;
1246 
          break;
1247 
        case 'T':
1248 
          previous_script_handle = saved_script_handle;
1249 
          ldfile_open_command_file (optarg);
1250 
          parser_input = input_script;
1251 
          yyparse ();
1252 
          previous_script_handle = NULL;
1253 
          break;
1254 
        case OPTION_DEFAULT_SCRIPT:
1255 
          command_line.default_script = optarg;
1256 
          break;
1257 
        case OPTION_SECTION_START:
1258 
          {
1259 
            char *optarg2;
1260 
            char *sec_name;
1261 
            int len;
1262 
 
1263 
            /* Check for <something>=<somthing>...  */
1264 
            optarg2 = strchr (optarg, '=');
1265 
            if (optarg2 == NULL)
1266 
              einfo (_("%P%F: invalid argument to option"
1267 
                       " \"--section-start\"\n"));
1268 
 
1269 
            optarg2++;
1270 
 
1271 
            /* So far so good.  Are all the args present?  */
1272 
            if ((*optarg == '\0') || (*optarg2 == '\0'))
1273 
              einfo (_("%P%F: missing argument(s) to option"
1274 
                       " \"--section-start\"\n"));
1275 
 
1276 
            /* We must copy the section name as set_section_start
1277 
               doesn't do it for us.  */
1278 
            len = optarg2 - optarg;
1279 
            sec_name = (char *) xmalloc (len);
1280 
            memcpy (sec_name, optarg, len - 1);
1281 
            sec_name[len - 1] = 0;
1282 
 
1283 
            /* Then set it...  */
1284 
            set_section_start (sec_name, optarg2);
1285 
          }
1286 
          break;
1287 
        case OPTION_TARGET_HELP:
1288 
          /* Mention any target specific options.  */
1289 
          ldemul_list_emulation_options (stdout);
1290 
          exit (0);
1291 
        case OPTION_TBSS:
1292 
          set_segment_start (".bss", optarg);
1293 
          break;
1294 
        case OPTION_TDATA:
1295 
          set_segment_start (".data", optarg);
1296 
          break;
1297 
        case OPTION_TTEXT:
1298 
          set_segment_start (".text", optarg);
1299 
          break;
1300 
        case OPTION_TTEXT_SEGMENT:
1301 
          set_segment_start (".text-segment", optarg);
1302 
          break;
1303 
        case OPTION_TRADITIONAL_FORMAT:
1304 
          link_info.traditional_format = TRUE;
1305 
          break;
1306 
        case OPTION_TASK_LINK:
1307 
          link_info.task_link = TRUE;
1308 
          /* Fall through - do an implied -r option.  */
1309 
        case OPTION_UR:
1310 
          link_info.relocatable = TRUE;
1311 
          config.build_constructors = TRUE;
1312 
          config.magic_demand_paged = FALSE;
1313 
          config.text_read_only = FALSE;
1314 
          config.dynamic_link = FALSE;
1315 
          break;
1316 
        case 'u':
1317 
          ldlang_add_undef (optarg, TRUE);
1318 
          break;
1319 
        case OPTION_UNIQUE:
1320 
          if (optarg != NULL)
1321 
            lang_add_unique (optarg);
1322 
          else
1323 
            config.unique_orphan_sections = TRUE;
1324 
          break;
1325 
        case OPTION_VERBOSE:
1326 
          ldversion (1);
1327 
          version_printed = TRUE;
1328 
          trace_file_tries = TRUE;
1329 
          overflow_cutoff_limit = -2;
1330 
          if (optarg != NULL)
1331 
            {
1332 
              char *end;
1333 
              int level ATTRIBUTE_UNUSED = strtoul (optarg, &end, 0);
1334 
              if (*end)
1335 
                einfo (_("%P%F: invalid number `%s'\n"), optarg);
1336 
#ifdef ENABLE_PLUGINS
1337 
              report_plugin_symbols = level > 1;
1338 
#endif /* ENABLE_PLUGINS */
1339 
            }
1340 
          break;
1341 
        case 'v':
1342 
          ldversion (0);
1343 
          version_printed = TRUE;
1344 
          break;
1345 
        case 'V':
1346 
          ldversion (1);
1347 
          version_printed = TRUE;
1348 
          break;
1349 
        case OPTION_VERSION:
1350 
          ldversion (2);
1351 
          xexit (0);
1352 
          break;
1353 
        case OPTION_VERSION_SCRIPT:
1354 
          /* This option indicates a small script that only specifies
1355 
             version information.  Read it, but don't assume that
1356 
             we've seen a linker script.  */
1357 
          {
1358 
            FILE *hold_script_handle;
1359 
 
1360 
            hold_script_handle = saved_script_handle;
1361 
            ldfile_open_command_file (optarg);
1362 
            saved_script_handle = hold_script_handle;
1363 
            parser_input = input_version_script;
1364 
            yyparse ();
1365 
          }
1366 
          break;
1367 
        case OPTION_VERSION_EXPORTS_SECTION:
1368 
          /* This option records a version symbol to be applied to the
1369 
             symbols listed for export to be found in the object files
1370 
             .exports sections.  */
1371 
          command_line.version_exports_section = optarg;
1372 
          break;
1373 
        case OPTION_DYNAMIC_LIST_DATA:
1374 
          command_line.dynamic_list = dynamic_list_data;
1375 
          if (command_line.symbolic == symbolic)
1376 
            command_line.symbolic = symbolic_unset;
1377 
          break;
1378 
        case OPTION_DYNAMIC_LIST_CPP_TYPEINFO:
1379 
          lang_append_dynamic_list_cpp_typeinfo ();
1380 
          if (command_line.dynamic_list != dynamic_list_data)
1381 
            command_line.dynamic_list = dynamic_list;
1382 
          if (command_line.symbolic == symbolic)
1383 
            command_line.symbolic = symbolic_unset;
1384 
          break;
1385 
        case OPTION_DYNAMIC_LIST_CPP_NEW:
1386 
          lang_append_dynamic_list_cpp_new ();
1387 
          if (command_line.dynamic_list != dynamic_list_data)
1388 
            command_line.dynamic_list = dynamic_list;
1389 
          if (command_line.symbolic == symbolic)
1390 
            command_line.symbolic = symbolic_unset;
1391 
          break;
1392 
        case OPTION_DYNAMIC_LIST:
1393 
          /* This option indicates a small script that only specifies
1394 
             a dynamic list.  Read it, but don't assume that we've
1395 
             seen a linker script.  */
1396 
          {
1397 
            FILE *hold_script_handle;
1398 
 
1399 
            hold_script_handle = saved_script_handle;
1400 
            ldfile_open_command_file (optarg);
1401 
            saved_script_handle = hold_script_handle;
1402 
            parser_input = input_dynamic_list;
1403 
            yyparse ();
1404 
          }
1405 
          if (command_line.dynamic_list != dynamic_list_data)
1406 
            command_line.dynamic_list = dynamic_list;
1407 
          if (command_line.symbolic == symbolic)
1408 
            command_line.symbolic = symbolic_unset;
1409 
          break;
1410 
        case OPTION_WARN_COMMON:
1411 
          config.warn_common = TRUE;
1412 
          break;
1413 
        case OPTION_WARN_CONSTRUCTORS:
1414 
          config.warn_constructors = TRUE;
1415 
          break;
1416 
        case OPTION_WARN_FATAL:
1417 
          config.fatal_warnings = TRUE;
1418 
          break;
1419 
        case OPTION_NO_WARN_FATAL:
1420 
          config.fatal_warnings = FALSE;
1421 
          break;
1422 
        case OPTION_WARN_MULTIPLE_GP:
1423 
          config.warn_multiple_gp = TRUE;
1424 
          break;
1425 
        case OPTION_WARN_ONCE:
1426 
          config.warn_once = TRUE;
1427 
          break;
1428 
        case OPTION_WARN_SECTION_ALIGN:
1429 
          config.warn_section_align = TRUE;
1430 
          break;
1431 
        case OPTION_WARN_SHARED_TEXTREL:
1432 
          link_info.warn_shared_textrel = TRUE;
1433 
          break;
1434 
        case OPTION_WARN_ALTERNATE_EM:
1435 
          link_info.warn_alternate_em = TRUE;
1436 
          break;
1437 
        case OPTION_WHOLE_ARCHIVE:
1438 
          whole_archive = TRUE;
1439 
          break;
1440 
        case OPTION_ADD_DT_NEEDED_FOR_DYNAMIC:
1441 
          add_DT_NEEDED_for_dynamic = TRUE;
1442 
          break;
1443 
        case OPTION_NO_ADD_DT_NEEDED_FOR_DYNAMIC:
1444 
          add_DT_NEEDED_for_dynamic = FALSE;
1445 
          break;
1446 
        case OPTION_ADD_DT_NEEDED_FOR_REGULAR:
1447 
          add_DT_NEEDED_for_regular = TRUE;
1448 
          break;
1449 
        case OPTION_NO_ADD_DT_NEEDED_FOR_REGULAR:
1450 
          add_DT_NEEDED_for_regular = FALSE;
1451 
          break;
1452 
        case OPTION_WRAP:
1453 
          add_wrap (optarg);
1454 
          break;
1455 
        case OPTION_DISCARD_NONE:
1456 
          link_info.discard = discard_none;
1457 
          break;
1458 
        case 'X':
1459 
          link_info.discard = discard_l;
1460 
          break;
1461 
        case 'x':
1462 
          link_info.discard = discard_all;
1463 
          break;
1464 
        case 'Y':
1465 
          if (CONST_STRNEQ (optarg, "P,"))
1466 
            optarg += 2;
1467 
          if (default_dirlist != NULL)
1468 
            free (default_dirlist);
1469 
          default_dirlist = xstrdup (optarg);
1470 
          break;
1471 
        case 'y':
1472 
          add_ysym (optarg);
1473 
          break;
1474 
        case OPTION_SPARE_DYNAMIC_TAGS:
1475 
          link_info.spare_dynamic_tags = strtoul (optarg, NULL, 0);
1476 
          break;
1477 
        case OPTION_SPLIT_BY_RELOC:
1478 
          if (optarg != NULL)
1479 
            config.split_by_reloc = strtoul (optarg, NULL, 0);
1480 
          else
1481 
            config.split_by_reloc = 32768;
1482 
          break;
1483 
        case OPTION_SPLIT_BY_FILE:
1484 
          if (optarg != NULL)
1485 
            config.split_by_file = bfd_scan_vma (optarg, NULL, 0);
1486 
          else
1487 
            config.split_by_file = 1;
1488 
          break;
1489 
        case OPTION_CHECK_SECTIONS:
1490 
          command_line.check_section_addresses = 1;
1491 
          break;
1492 
        case OPTION_NO_CHECK_SECTIONS:
1493 
          command_line.check_section_addresses = 0;
1494 
          break;
1495 
        case OPTION_ACCEPT_UNKNOWN_INPUT_ARCH:
1496 
          command_line.accept_unknown_input_arch = TRUE;
1497 
          break;
1498 
        case OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH:
1499 
          command_line.accept_unknown_input_arch = FALSE;
1500 
          break;
1501 
        case '(':
1502 
          lang_enter_group ();
1503 
          ingroup++;
1504 
          break;
1505 
        case ')':
1506 
          if (! ingroup)
1507 
            einfo (_("%P%F: group ended before it began (--help for usage)\n"));
1508 
 
1509 
          lang_leave_group ();
1510 
          ingroup--;
1511 
          break;
1512 
 
1513 
        case OPTION_INIT:
1514 
          link_info.init_function = optarg;
1515 
          break;
1516 
 
1517 
        case OPTION_FINI:
1518 
          link_info.fini_function = optarg;
1519 
          break;
1520 
 
1521 
        case OPTION_REDUCE_MEMORY_OVERHEADS:
1522 
          link_info.reduce_memory_overheads = TRUE;
1523 
          if (config.hash_table_size == 0)
1524 
            config.hash_table_size = 1021;
1525 
          break;
1526 
 
1527 
        case OPTION_HASH_SIZE:
1528 
          {
1529 
            bfd_size_type new_size;
1530 
 
1531 
            new_size = strtoul (optarg, NULL, 0);
1532 
            if (new_size)
1533 
              config.hash_table_size = new_size;
1534 
            else
1535 
              einfo (_("%P%X: --hash-size needs a numeric argument\n"));
1536 
          }
1537 
          break;
1538 
        }
1539 
    }
1540 
 
1541 
  while (ingroup)
1542 
    {
1543 
      lang_leave_group ();
1544 
      ingroup--;
1545 
    }
1546 
 
1547 
  if (default_dirlist != NULL)
1548 
    {
1549 
      set_default_dirlist (default_dirlist);
1550 
      free (default_dirlist);
1551 
    }
1552 
 
1553 
  if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET)
1554 
    /* FIXME: Should we allow emulations a chance to set this ?  */
1555 
    link_info.unresolved_syms_in_objects = how_to_report_unresolved_symbols;
1556 
 
1557 
  if (link_info.unresolved_syms_in_shared_libs == RM_NOT_YET_SET)
1558 
    /* FIXME: Should we allow emulations a chance to set this ?  */
1559 
    link_info.unresolved_syms_in_shared_libs = how_to_report_unresolved_symbols;
1560 
 
1561 
#ifdef ENABLE_PLUGINS
1562 
  /* Now all the plugin arguments have been gathered, we can load them.  */
1563 
  if (plugin_load_plugins ())
1564 
    einfo (_("%P%F: %s: error loading plugin\n"), plugin_error_plugin ());
1565 
#endif /* ENABLE_PLUGINS */
1566 
}
1567 
 
1568 
/* Add the (colon-separated) elements of DIRLIST_PTR to the
1569 
   library search path.  */
1570 
 
1571 
static void
1572 
set_default_dirlist (char *dirlist_ptr)
1573 
{
1574 
  char *p;
1575 
 
1576 
  while (1)
1577 
    {
1578 
      p = strchr (dirlist_ptr, PATH_SEPARATOR);
1579 
      if (p != NULL)
1580 
        *p = '\0';
1581 
      if (*dirlist_ptr != '\0')
1582 
        ldfile_add_library_path (dirlist_ptr, TRUE);
1583 
      if (p == NULL)
1584 
        break;
1585 
      dirlist_ptr = p + 1;
1586 
    }
1587 
}
1588 
 
1589 
static void
1590 
set_section_start (char *sect, char *valstr)
1591 
{
1592 
  const char *end;
1593 
  bfd_vma val = bfd_scan_vma (valstr, &end, 16);
1594 
  if (*end)
1595 
    einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
1596 
  lang_section_start (sect, exp_intop (val), NULL);
1597 
}
1598 
 
1599 
static void
1600 
set_segment_start (const char *section, char *valstr)
1601 
{
1602 
  const char *name;
1603 
  const char *end;
1604 
  segment_type *seg;
1605 
 
1606 
  bfd_vma val = bfd_scan_vma (valstr, &end, 16);
1607 
  if (*end)
1608 
    einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
1609 
  /* If we already have an entry for this segment, update the existing
1610 
     value.  */
1611 
  name = section + 1;
1612 
  for (seg = segments; seg; seg = seg->next)
1613 
    if (strcmp (seg->name, name) == 0)
1614 
      {
1615 
        seg->value = val;
1616 
        return;
1617 
      }
1618 
  /* There was no existing value so we must create a new segment
1619 
     entry.  */
1620 
  seg = (segment_type *) stat_alloc (sizeof (*seg));
1621 
  seg->name = name;
1622 
  seg->value = val;
1623 
  seg->used = FALSE;
1624 
  /* Add it to the linked list of segments.  */
1625 
  seg->next = segments;
1626 
  segments = seg;
1627 
  /* Historically, -Ttext and friends set the base address of a
1628 
     particular section.  For backwards compatibility, we still do
1629 
     that.  If a SEGMENT_START directive is seen, the section address
1630 
     assignment will be disabled.  */
1631 
  lang_section_start (section, exp_intop (val), seg);
1632 
}
1633 
 
1634 
 
1635 
/* Print help messages for the options.  */
1636 
 
1637 
static void
1638 
help (void)
1639 
{
1640 
  unsigned i;
1641 
  const char **targets, **pp;
1642 
  int len;
1643 
 
1644 
  printf (_("Usage: %s [options] file...\n"), program_name);
1645 
 
1646 
  printf (_("Options:\n"));
1647 
  for (i = 0; i < OPTION_COUNT; i++)
1648 
    {
1649 
      if (ld_options[i].doc != NULL)
1650 
        {
1651 
          bfd_boolean comma;
1652 
          unsigned j;
1653 
 
1654 
          printf ("  ");
1655 
 
1656 
          comma = FALSE;
1657 
          len = 2;
1658 
 
1659 
          j = i;
1660 
          do
1661 
            {
1662 
              if (ld_options[j].shortopt != '\0'
1663 
                  && ld_options[j].control != NO_HELP)
1664 
                {
1665 
                  printf ("%s-%c", comma ? ", " : "", ld_options[j].shortopt);
1666 
                  len += (comma ? 2 : 0) + 2;
1667 
                  if (ld_options[j].arg != NULL)
1668 
                    {
1669 
                      if (ld_options[j].opt.has_arg != optional_argument)
1670 
                        {
1671 
                          printf (" ");
1672 
                          ++len;
1673 
                        }
1674 
                      printf ("%s", _(ld_options[j].arg));
1675 
                      len += strlen (_(ld_options[j].arg));
1676 
                    }
1677 
                  comma = TRUE;
1678 
                }
1679 
              ++j;
1680 
            }
1681 
          while (j < OPTION_COUNT && ld_options[j].doc == NULL);
1682 
 
1683 
          j = i;
1684 
          do
1685 
            {
1686 
              if (ld_options[j].opt.name != NULL
1687 
                  && ld_options[j].control != NO_HELP)
1688 
                {
1689 
                  int two_dashes =
1690 
                    (ld_options[j].control == TWO_DASHES
1691 
                     || ld_options[j].control == EXACTLY_TWO_DASHES);
1692 
 
1693 
                  printf ("%s-%s%s",
1694 
                          comma ? ", " : "",
1695 
                          two_dashes ? "-" : "",
1696 
                          ld_options[j].opt.name);
1697 
                  len += ((comma ? 2 : 0)
1698 
                          + 1
1699 
                          + (two_dashes ? 1 : 0)
1700 
                          + strlen (ld_options[j].opt.name));
1701 
                  if (ld_options[j].arg != NULL)
1702 
                    {
1703 
                      printf (" %s", _(ld_options[j].arg));
1704 
                      len += 1 + strlen (_(ld_options[j].arg));
1705 
                    }
1706 
                  comma = TRUE;
1707 
                }
1708 
              ++j;
1709 
            }
1710 
          while (j < OPTION_COUNT && ld_options[j].doc == NULL);
1711 
 
1712 
          if (len >= 30)
1713 
            {
1714 
              printf ("\n");
1715 
              len = 0;
1716 
            }
1717 
 
1718 
          for (; len < 30; len++)
1719 
            putchar (' ');
1720 
 
1721 
          printf ("%s\n", _(ld_options[i].doc));
1722 
        }
1723 
    }
1724 
  printf (_("  @FILE"));
1725 
  for (len = strlen ("  @FILE"); len < 30; len++)
1726 
    putchar (' ');
1727 
  printf (_("Read options from FILE\n"));
1728 
 
1729 
  /* Note: Various tools (such as libtool) depend upon the
1730 
     format of the listings below - do not change them.  */
1731 
  /* xgettext:c-format */
1732 
  printf (_("%s: supported targets:"), program_name);
1733 
  targets = bfd_target_list ();
1734 
  for (pp = targets; *pp != NULL; pp++)
1735 
    printf (" %s", *pp);
1736 
  free (targets);
1737 
  printf ("\n");
1738 
 
1739 
  /* xgettext:c-format */
1740 
  printf (_("%s: supported emulations: "), program_name);
1741 
  ldemul_list_emulations (stdout);
1742 
  printf ("\n");
1743 
 
1744 
  /* xgettext:c-format */
1745 
  printf (_("%s: emulation specific options:\n"), program_name);
1746 
  ldemul_list_emulation_options (stdout);
1747 
  printf ("\n");
1748 
 
1749 
  if (REPORT_BUGS_TO[0])
1750 
    printf (_("Report bugs to %s\n"), REPORT_BUGS_TO);
1751 
}

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