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[/] [open8_urisc/] [trunk/] [gnu/] [binutils/] [ld/] [lexsup.c] - Blame information for rev 163

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

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