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[deliverable/binutils-gdb.git] / ld / lexsup.c
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252b5132 1/* Parse options for the GNU linker.
a2b64bed 2 Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
92f01d61 3 2001, 2002, 2003, 2004, 2005, 2006, 2007
252b5132
RH		 4 Free Software Foundation, Inc.
5
53b2a62f 6 This file is part of GLD, the Gnu Linker.
252b5132 7
53b2a62f
NC		 8 GLD 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 2, or (at your option)
11 any later version.
252b5132 12
53b2a62f
NC		 13 GLD 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.
252b5132 17
53b2a62f
NC		 18 You should have received a copy of the GNU General Public License
19 along with GLD; see the file COPYING. If not, write to the Free
75be928b
NC		 20 Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
21 02110-1301, USA. */
252b5132 22
34875e64 23#include "config.h"
252b5132
RH		 24#include "bfd.h"
25#include "sysdep.h"
26#include "libiberty.h"
27#include <stdio.h>
28#include <string.h>
3882b010 29#include "safe-ctype.h"
252b5132
RH		 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"
df2a7313 37#include <ldgram.h>
252b5132
RH		 38#include "ldlex.h"
39#include "ldfile.h"
40#include "ldver.h"
41#include "ldemul.h"
28c309a2 42#include "demangle.h"
252b5132
RH		 43
44#ifndef PATH_SEPARATOR
45#if defined (__MSDOS__) || (defined (_WIN32) && ! defined (__CYGWIN32__))
46#define PATH_SEPARATOR ';'
47#else
48#define PATH_SEPARATOR ':'
49#endif
50#endif
51
5cc18311 52/* Somewhere above, sys/stat.h got included . . . . */
252b5132
RH		 53#if !defined(S_ISDIR) && defined(S_IFDIR)
54#define S_ISDIR(m) (((m) & S_IFMT) == S_IFDIR)
55#endif
56
1579bae1
AM		 57static void set_default_dirlist (char *);
58static void set_section_start (char *, char *);
ba916c8a 59static void set_segment_start (const char *, char *);
1579bae1 60static void help (void);
252b5132
RH		 61
62/* Non-zero if we are processing a --defsym from the command line. */
63int parsing_defsym = 0;
64
65/* Codes used for the long options with no short synonyms. 150 isn't
66 special; it's just an arbitrary non-ASCII char value. */
560e09e9
NC		 67enum option_values
68{
69 OPTION_ASSERT = 150,
70 OPTION_CALL_SHARED,
71 OPTION_CREF,
72 OPTION_DEFSYM,
73 OPTION_DEMANGLE,
74 OPTION_DYNAMIC_LINKER,
e2243057 75 OPTION_SYSROOT,
560e09e9
NC		 76 OPTION_EB,
77 OPTION_EL,
78 OPTION_EMBEDDED_RELOCS,
79 OPTION_EXPORT_DYNAMIC,
80 OPTION_HELP,
81 OPTION_IGNORE,
82 OPTION_MAP,
83 OPTION_NO_DEMANGLE,
84 OPTION_NO_KEEP_MEMORY,
85 OPTION_NO_WARN_MISMATCH,
86 OPTION_NOINHIBIT_EXEC,
87 OPTION_NON_SHARED,
88 OPTION_NO_WHOLE_ARCHIVE,
89 OPTION_OFORMAT,
90 OPTION_RELAX,
91 OPTION_RETAIN_SYMBOLS_FILE,
92 OPTION_RPATH,
93 OPTION_RPATH_LINK,
94 OPTION_SHARED,
95 OPTION_SONAME,
96 OPTION_SORT_COMMON,
bcaa7b3e 97 OPTION_SORT_SECTION,
560e09e9
NC		 98 OPTION_STATS,
99 OPTION_SYMBOLIC,
d8cf8b51 100 OPTION_SYMBOLIC_FUNCTIONS,
560e09e9
NC		 101 OPTION_TASK_LINK,
102 OPTION_TBSS,
103 OPTION_TDATA,
104 OPTION_TTEXT,
105 OPTION_TRADITIONAL_FORMAT,
106 OPTION_UR,
107 OPTION_VERBOSE,
108 OPTION_VERSION,
109 OPTION_VERSION_SCRIPT,
110 OPTION_VERSION_EXPORTS_SECTION,
55255dae 111 OPTION_DYNAMIC_LIST,
40b36307 112 OPTION_DYNAMIC_LIST_CPP_NEW,
55255dae 113 OPTION_DYNAMIC_LIST_CPP_TYPEINFO,
40b36307 114 OPTION_DYNAMIC_LIST_DATA,
560e09e9
NC		 115 OPTION_WARN_COMMON,
116 OPTION_WARN_CONSTRUCTORS,
117 OPTION_WARN_FATAL,
118 OPTION_WARN_MULTIPLE_GP,
119 OPTION_WARN_ONCE,
120 OPTION_WARN_SECTION_ALIGN,
121 OPTION_SPLIT_BY_RELOC,
122 OPTION_SPLIT_BY_FILE ,
123 OPTION_WHOLE_ARCHIVE,
e56f61be
L		 124 OPTION_ADD_NEEDED,
125 OPTION_NO_ADD_NEEDED,
4a43e768
AM		 126 OPTION_AS_NEEDED,
127 OPTION_NO_AS_NEEDED,
560e09e9
NC		 128 OPTION_WRAP,
129 OPTION_FORCE_EXE_SUFFIX,
130 OPTION_GC_SECTIONS,
131 OPTION_NO_GC_SECTIONS,
c17d87de
NC		 132 OPTION_PRINT_GC_SECTIONS,
133 OPTION_NO_PRINT_GC_SECTIONS,
2d643429 134 OPTION_HASH_SIZE,
560e09e9
NC		 135 OPTION_CHECK_SECTIONS,
136 OPTION_NO_CHECK_SECTIONS,
560e09e9
NC		 137 OPTION_NO_UNDEFINED,
138 OPTION_INIT,
139 OPTION_FINI,
140 OPTION_SECTION_START,
141 OPTION_UNIQUE,
142 OPTION_TARGET_HELP,
143 OPTION_ALLOW_SHLIB_UNDEFINED,
144 OPTION_NO_ALLOW_SHLIB_UNDEFINED,
145 OPTION_ALLOW_MULTIPLE_DEFINITION,
146 OPTION_NO_UNDEFINED_VERSION,
3e3b46e5 147 OPTION_DEFAULT_SYMVER,
fc0e6df6 148 OPTION_DEFAULT_IMPORTED_SYMVER,
560e09e9
NC		 149 OPTION_DISCARD_NONE,
150 OPTION_SPARE_DYNAMIC_TAGS,
151 OPTION_NO_DEFINE_COMMON,
152 OPTION_NOSTDLIB,
153 OPTION_NO_OMAGIC,
154 OPTION_STRIP_DISCARDED,
155 OPTION_NO_STRIP_DISCARDED,
156 OPTION_ACCEPT_UNKNOWN_INPUT_ARCH,
157 OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH,
158 OPTION_PIE,
159 OPTION_UNRESOLVED_SYMBOLS,
160 OPTION_WARN_UNRESOLVED_SYMBOLS,
35835446 161 OPTION_ERROR_UNRESOLVED_SYMBOLS,
8fdd7217 162 OPTION_WARN_SHARED_TEXTREL,
14be8564
L		 163 OPTION_REDUCE_MEMORY_OVERHEADS,
164 OPTION_DEFAULT_SCRIPT
560e09e9 165};
252b5132
RH		 166
167/* The long options. This structure is used for both the option
168 parsing and the help text. */
169
b79e8c78
NC		 170struct ld_option
171{
252b5132
RH		 172 /* The long option information. */
173 struct option opt;
174 /* The short option with the same meaning ('\0' if none). */
175 char shortopt;
176 /* The name of the argument (NULL if none). */
177 const char *arg;
178 /* The documentation string. If this is NULL, this is a synonym for
179 the previous option. */
180 const char *doc;
e47d05ad
KH		 181 enum {
182 /* Use one dash before long option name. */
183 ONE_DASH,
184 /* Use two dashes before long option name. */
185 TWO_DASHES,
e4897a32
NC		 186 /* Only accept two dashes before the long option name.
187 This is an overloading of the use of this enum, since originally it
188 was only intended to tell the --help display function how to display
189 the long option name. This feature was added in order to resolve
190 the confusion about the -omagic command line switch. Is it setting
191 the output file name to "magic" or is it setting the NMAGIC flag on
192 the output ? It has been decided that it is setting the output file
193 name, and that if you want to set the NMAGIC flag you should use -N
194 or --omagic. */
195 EXACTLY_TWO_DASHES,
e47d05ad
KH		 196 /* Don't mention this option in --help output. */
197 NO_HELP
198 } control;
252b5132
RH		 199};
200
b79e8c78
NC		 201static const struct ld_option ld_options[] =
202{
252b5132 203 { {NULL, required_argument, NULL, '\0'},
6feb9908
AM		 204 'a', N_("KEYWORD"), N_("Shared library control for HP/UX compatibility"),
205 ONE_DASH },
252b5132 206 { {"architecture", required_argument, NULL, 'A'},
6feb9908 207 'A', N_("ARCH"), N_("Set architecture") , TWO_DASHES },
252b5132 208 { {"format", required_argument, NULL, 'b'},
6feb9908
AM		 209 'b', N_("TARGET"), N_("Specify target for following input files"),
210 TWO_DASHES },
252b5132 211 { {"mri-script", required_argument, NULL, 'c'},
6feb9908 212 'c', N_("FILE"), N_("Read MRI format linker script"), TWO_DASHES },
252b5132 213 { {"dc", no_argument, NULL, 'd'},
6feb9908 214 'd', NULL, N_("Force common symbols to be defined"), ONE_DASH },
252b5132 215 { {"dp", no_argument, NULL, 'd'},
6feb9908 216 '\0', NULL, NULL, ONE_DASH },
252b5132 217 { {"entry", required_argument, NULL, 'e'},
6feb9908 218 'e', N_("ADDRESS"), N_("Set start address"), TWO_DASHES },
252b5132 219 { {"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC},
6feb9908 220 'E', NULL, N_("Export all dynamic symbols"), TWO_DASHES },
252b5132 221 { {"EB", no_argument, NULL, OPTION_EB},
6feb9908 222 '\0', NULL, N_("Link big-endian objects"), ONE_DASH },
252b5132 223 { {"EL", no_argument, NULL, OPTION_EL},
6feb9908 224 '\0', NULL, N_("Link little-endian objects"), ONE_DASH },
252b5132 225 { {"auxiliary", required_argument, NULL, 'f'},
6feb9908
AM		 226 'f', N_("SHLIB"), N_("Auxiliary filter for shared object symbol table"),
227 TWO_DASHES },
252b5132 228 { {"filter", required_argument, NULL, 'F'},
6feb9908
AM		 229 'F', N_("SHLIB"), N_("Filter for shared object symbol table"),
230 TWO_DASHES },
252b5132 231 { {NULL, no_argument, NULL, '\0'},
6feb9908 232 'g', NULL, N_("Ignored"), ONE_DASH },
252b5132 233 { {"gpsize", required_argument, NULL, 'G'},
6feb9908
AM		 234 'G', N_("SIZE"), N_("Small data size (if no size, same as --shared)"),
235 TWO_DASHES },
252b5132 236 { {"soname", required_argument, NULL, OPTION_SONAME},
6feb9908 237 'h', N_("FILENAME"), N_("Set internal name of shared library"), ONE_DASH },
506eee22 238 { {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
6feb9908
AM		 239 'I', N_("PROGRAM"), N_("Set PROGRAM as the dynamic linker to use"),
240 TWO_DASHES },
252b5132 241 { {"library", required_argument, NULL, 'l'},
6feb9908 242 'l', N_("LIBNAME"), N_("Search for library LIBNAME"), TWO_DASHES },
252b5132 243 { {"library-path", required_argument, NULL, 'L'},
6feb9908
AM		 244 'L', N_("DIRECTORY"), N_("Add DIRECTORY to library search path"),
245 TWO_DASHES },
e2243057
RS		 246 { {"sysroot=<DIRECTORY>", required_argument, NULL, OPTION_SYSROOT},
247 '\0', NULL, N_("Override the default sysroot location"), TWO_DASHES },
252b5132 248 { {NULL, required_argument, NULL, '\0'},
6feb9908 249 'm', N_("EMULATION"), N_("Set emulation"), ONE_DASH },
252b5132 250 { {"print-map", no_argument, NULL, 'M'},
6feb9908 251 'M', NULL, N_("Print map file on standard output"), TWO_DASHES },
252b5132 252 { {"nmagic", no_argument, NULL, 'n'},
6feb9908 253 'n', NULL, N_("Do not page align data"), TWO_DASHES },
252b5132 254 { {"omagic", no_argument, NULL, 'N'},
6feb9908
AM		 255 'N', NULL, N_("Do not page align data, do not make text readonly"),
256 EXACTLY_TWO_DASHES },
63fd3b82 257 { {"no-omagic", no_argument, NULL, OPTION_NO_OMAGIC},
6feb9908
AM		 258 '\0', NULL, N_("Page align data, make text readonly"),
259 EXACTLY_TWO_DASHES },
252b5132 260 { {"output", required_argument, NULL, 'o'},
6feb9908 261 'o', N_("FILE"), N_("Set output file name"), EXACTLY_TWO_DASHES },
252b5132 262 { {NULL, required_argument, NULL, '\0'},
6feb9908 263 'O', NULL, N_("Optimize output file"), ONE_DASH },
252b5132 264 { {"Qy", no_argument, NULL, OPTION_IGNORE},
6feb9908 265 '\0', NULL, N_("Ignored for SVR4 compatibility"), ONE_DASH },
a712da20 266 { {"emit-relocs", no_argument, NULL, 'q'},
6feb9908 267 'q', NULL, "Generate relocations in final output", TWO_DASHES },
1049f94e 268 { {"relocatable", no_argument, NULL, 'r'},
6feb9908 269 'r', NULL, N_("Generate relocatable output"), TWO_DASHES },
252b5132 270 { {NULL, no_argument, NULL, '\0'},
6feb9908 271 'i', NULL, NULL, ONE_DASH },
252b5132 272 { {"just-symbols", required_argument, NULL, 'R'},
6feb9908
AM		 273 'R', N_("FILE"), N_("Just link symbols (if directory, same as --rpath)"),
274 TWO_DASHES },
252b5132 275 { {"strip-all", no_argument, NULL, 's'},
6feb9908 276 's', NULL, N_("Strip all symbols"), TWO_DASHES },
252b5132 277 { {"strip-debug", no_argument, NULL, 'S'},
6feb9908 278 'S', NULL, N_("Strip debugging symbols"), TWO_DASHES },
d5cd3933 279 { {"strip-discarded", no_argument, NULL, OPTION_STRIP_DISCARDED},
6feb9908 280 '\0', NULL, N_("Strip symbols in discarded sections"), TWO_DASHES },
d5cd3933 281 { {"no-strip-discarded", no_argument, NULL, OPTION_NO_STRIP_DISCARDED},
6feb9908 282 '\0', NULL, N_("Do not strip symbols in discarded sections"), TWO_DASHES },
252b5132 283 { {"trace", no_argument, NULL, 't'},
6feb9908 284 't', NULL, N_("Trace file opens"), TWO_DASHES },
252b5132 285 { {"script", required_argument, NULL, 'T'},
6feb9908 286 'T', N_("FILE"), N_("Read linker script"), TWO_DASHES },
14be8564
L		 287 { {"default-script", required_argument, NULL, OPTION_DEFAULT_SCRIPT},
288 '\0', N_("FILE"), N_("Read default linker script"), TWO_DASHES },
289 { {"dT", required_argument, NULL, OPTION_DEFAULT_SCRIPT},
290 '\0', NULL, NULL, ONE_DASH },
252b5132 291 { {"undefined", required_argument, NULL, 'u'},
6feb9908
AM		 292 'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"),
293 TWO_DASHES },
577a0623 294 { {"unique", optional_argument, NULL, OPTION_UNIQUE},
6feb9908
AM		 295 '\0', N_("[=SECTION]"),
296 N_("Don't merge input [SECTION | orphan] sections"), TWO_DASHES },
252b5132 297 { {"Ur", no_argument, NULL, OPTION_UR},
6feb9908 298 '\0', NULL, N_("Build global constructor/destructor tables"), ONE_DASH },
252b5132 299 { {"version", no_argument, NULL, OPTION_VERSION},
6feb9908 300 'v', NULL, N_("Print version information"), TWO_DASHES },
252b5132 301 { {NULL, no_argument, NULL, '\0'},
6feb9908 302 'V', NULL, N_("Print version and emulation information"), ONE_DASH },
252b5132 303 { {"discard-all", no_argument, NULL, 'x'},
6feb9908 304 'x', NULL, N_("Discard all local symbols"), TWO_DASHES },
252b5132 305 { {"discard-locals", no_argument, NULL, 'X'},
6feb9908 306 'X', NULL, N_("Discard temporary local symbols (default)"), TWO_DASHES },
f5fa8ca2 307 { {"discard-none", no_argument, NULL, OPTION_DISCARD_NONE},
6feb9908 308 '\0', NULL, N_("Don't discard any local symbols"), TWO_DASHES },
252b5132 309 { {"trace-symbol", required_argument, NULL, 'y'},
6feb9908 310 'y', N_("SYMBOL"), N_("Trace mentions of SYMBOL"), TWO_DASHES },
252b5132 311 { {NULL, required_argument, NULL, '\0'},
6feb9908
AM		 312 'Y', N_("PATH"), N_("Default search path for Solaris compatibility"),
313 ONE_DASH },
252b5132 314 { {"start-group", no_argument, NULL, '('},
6feb9908 315 '(', NULL, N_("Start a group"), TWO_DASHES },
252b5132 316 { {"end-group", no_argument, NULL, ')'},
6feb9908
AM		 317 ')', NULL, N_("End a group"), TWO_DASHES },
318 { {"accept-unknown-input-arch", no_argument, NULL,
319 OPTION_ACCEPT_UNKNOWN_INPUT_ARCH},
320 '\0', NULL,
321 N_("Accept input files whose architecture cannot be determined"),
322 TWO_DASHES },
323 { {"no-accept-unknown-input-arch", no_argument, NULL,
324 OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH},
325 '\0', NULL, N_("Reject input files whose architecture is unknown"),
326 TWO_DASHES },
8fdd7217
NC		 327 { {"add-needed", no_argument, NULL, OPTION_ADD_NEEDED},
328 '\0', NULL, N_("Set DT_NEEDED tags for DT_NEEDED entries in\n"
329 "\t\t\t\tfollowing dynamic libs"), TWO_DASHES },
330 { {"no-add-needed", no_argument, NULL, OPTION_NO_ADD_NEEDED},
331 '\0', NULL, N_("Do not set DT_NEEDED tags for DT_NEEDED entries\n"
332 "\t\t\t\tin following dynamic libs"), TWO_DASHES },
333 { {"as-needed", no_argument, NULL, OPTION_AS_NEEDED},
334 '\0', NULL, N_("Only set DT_NEEDED for following dynamic libs if used"),
335 TWO_DASHES },
336 { {"no-as-needed", no_argument, NULL, OPTION_NO_AS_NEEDED},
337 '\0', NULL, N_("Always set DT_NEEDED for following dynamic libs"),
338 TWO_DASHES },
252b5132 339 { {"assert", required_argument, NULL, OPTION_ASSERT},
6feb9908 340 '\0', N_("KEYWORD"), N_("Ignored for SunOS compatibility"), ONE_DASH },
252b5132 341 { {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
6feb9908 342 '\0', NULL, N_("Link against shared libraries"), ONE_DASH },
252b5132 343 { {"dy", no_argument, NULL, OPTION_CALL_SHARED},
6feb9908 344 '\0', NULL, NULL, ONE_DASH },
252b5132 345 { {"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
6feb9908 346 '\0', NULL, NULL, ONE_DASH },
252b5132 347 { {"Bstatic", no_argument, NULL, OPTION_NON_SHARED},
6feb9908 348 '\0', NULL, N_("Do not link against shared libraries"), ONE_DASH },
252b5132 349 { {"dn", no_argument, NULL, OPTION_NON_SHARED},
6feb9908 350 '\0', NULL, NULL, ONE_DASH },
252b5132 351 { {"non_shared", no_argument, NULL, OPTION_NON_SHARED},
6feb9908 352 '\0', NULL, NULL, ONE_DASH },
252b5132 353 { {"static", no_argument, NULL, OPTION_NON_SHARED},
6feb9908 354 '\0', NULL, NULL, ONE_DASH },
252b5132 355 { {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC},
6feb9908 356 '\0', NULL, N_("Bind global references locally"), ONE_DASH },
d8cf8b51 357 { {"Bsymbolic-functions", no_argument, NULL, OPTION_SYMBOLIC_FUNCTIONS},
40b36307 358 '\0', NULL, N_("Bind global function references locally"), ONE_DASH },
252b5132 359 { {"check-sections", no_argument, NULL, OPTION_CHECK_SECTIONS},
6feb9908
AM		 360 '\0', NULL, N_("Check section addresses for overlaps (default)"),
361 TWO_DASHES },
252b5132 362 { {"no-check-sections", no_argument, NULL, OPTION_NO_CHECK_SECTIONS},
6feb9908
AM		 363 '\0', NULL, N_("Do not check section addresses for overlaps"),
364 TWO_DASHES },
252b5132 365 { {"cref", no_argument, NULL, OPTION_CREF},
6feb9908 366 '\0', NULL, N_("Output cross reference table"), TWO_DASHES },
252b5132 367 { {"defsym", required_argument, NULL, OPTION_DEFSYM},
6feb9908 368 '\0', N_("SYMBOL=EXPRESSION"), N_("Define a symbol"), TWO_DASHES },
28c309a2 369 { {"demangle", optional_argument, NULL, OPTION_DEMANGLE},
6feb9908
AM		 370 '\0', N_("[=STYLE]"), N_("Demangle symbol names [using STYLE]"),
371 TWO_DASHES },
252b5132 372 { {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
6feb9908 373 '\0', NULL, N_("Generate embedded relocs"), TWO_DASHES},
8fdd7217
NC		 374 { {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL},
375 '\0', NULL, N_("Treat warnings as errors"),
376 TWO_DASHES },
3dbf70a2 377 { {"fini", required_argument, NULL, OPTION_FINI},
6feb9908 378 '\0', N_("SYMBOL"), N_("Call SYMBOL at unload-time"), ONE_DASH },
252b5132 379 { {"force-exe-suffix", no_argument, NULL, OPTION_FORCE_EXE_SUFFIX},
6feb9908 380 '\0', NULL, N_("Force generation of file with .exe suffix"), TWO_DASHES},
252b5132 381 { {"gc-sections", no_argument, NULL, OPTION_GC_SECTIONS},
6feb9908
AM		 382 '\0', NULL, N_("Remove unused sections (on some targets)"),
383 TWO_DASHES },
252b5132 384 { {"no-gc-sections", no_argument, NULL, OPTION_NO_GC_SECTIONS},
6feb9908
AM		 385 '\0', NULL, N_("Don't remove unused sections (default)"),
386 TWO_DASHES },
c17d87de
NC		 387 { {"print-gc-sections", no_argument, NULL, OPTION_PRINT_GC_SECTIONS},
388 '\0', NULL, N_("List removed unused sections on stderr"),
389 TWO_DASHES },
390 { {"no-print-gc-sections", no_argument, NULL, OPTION_NO_PRINT_GC_SECTIONS},
391 '\0', NULL, N_("Do not list removed unused sections"),
392 TWO_DASHES },
2d643429 393 { {"hash-size=<NUMBER>", required_argument, NULL, OPTION_HASH_SIZE},
6feb9908
AM		 394 '\0', NULL, N_("Set default hash table size close to <NUMBER>"),
395 TWO_DASHES },
252b5132 396 { {"help", no_argument, NULL, OPTION_HELP},
6feb9908 397 '\0', NULL, N_("Print option help"), TWO_DASHES },
3dbf70a2 398 { {"init", required_argument, NULL, OPTION_INIT},
6feb9908 399 '\0', N_("SYMBOL"), N_("Call SYMBOL at load-time"), ONE_DASH },
252b5132 400 { {"Map", required_argument, NULL, OPTION_MAP},
6feb9908 401 '\0', N_("FILE"), N_("Write a map file"), ONE_DASH },
4818e05f 402 { {"no-define-common", no_argument, NULL, OPTION_NO_DEFINE_COMMON},
6feb9908 403 '\0', NULL, N_("Do not define Common storage"), TWO_DASHES },
252b5132 404 { {"no-demangle", no_argument, NULL, OPTION_NO_DEMANGLE },
6feb9908 405 '\0', NULL, N_("Do not demangle symbol names"), TWO_DASHES },
252b5132 406 { {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
6feb9908 407 '\0', NULL, N_("Use less memory and more disk I/O"), TWO_DASHES },
252b5132 408 { {"no-undefined", no_argument, NULL, OPTION_NO_UNDEFINED},
6feb9908
AM		 409 '\0', NULL, N_("Do not allow unresolved references in object files"),
410 TWO_DASHES },
b79e8c78 411 { {"allow-shlib-undefined", no_argument, NULL, OPTION_ALLOW_SHLIB_UNDEFINED},
6feb9908
AM		 412 '\0', NULL, N_("Allow unresolved references in shared libaries"),
413 TWO_DASHES },
414 { {"no-allow-shlib-undefined", no_argument, NULL,
415 OPTION_NO_ALLOW_SHLIB_UNDEFINED},
416 '\0', NULL, N_("Do not allow unresolved references in shared libs"),
417 TWO_DASHES },
418 { {"allow-multiple-definition", no_argument, NULL,
419 OPTION_ALLOW_MULTIPLE_DEFINITION},
420 '\0', NULL, N_("Allow multiple definitions"), TWO_DASHES },
31941635 421 { {"no-undefined-version", no_argument, NULL, OPTION_NO_UNDEFINED_VERSION},
6feb9908 422 '\0', NULL, N_("Disallow undefined version"), TWO_DASHES },
3e3b46e5
PB		 423 { {"default-symver", no_argument, NULL, OPTION_DEFAULT_SYMVER},
424 '\0', NULL, N_("Create default symbol version"), TWO_DASHES },
fc0e6df6
PB		 425 { {"default-imported-symver", no_argument, NULL,
426 OPTION_DEFAULT_IMPORTED_SYMVER},
427 '\0', NULL, N_("Create default symbol version for imported symbols"),
428 TWO_DASHES },
252b5132 429 { {"no-warn-mismatch", no_argument, NULL, OPTION_NO_WARN_MISMATCH},
6feb9908 430 '\0', NULL, N_("Don't warn about mismatched input files"), TWO_DASHES},
252b5132 431 { {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
6feb9908 432 '\0', NULL, N_("Turn off --whole-archive"), TWO_DASHES },
252b5132 433 { {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
6feb9908
AM		 434 '\0', NULL, N_("Create an output file even if errors occur"),
435 TWO_DASHES },
252b5132 436 { {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
6feb9908 437 '\0', NULL, NULL, NO_HELP },
361b220e 438 { {"nostdlib", no_argument, NULL, OPTION_NOSTDLIB},
6feb9908
AM		 439 '\0', NULL, N_("Only use library directories specified on\n"
440 "\t\t\t\tthe command line"), ONE_DASH },
252b5132 441 { {"oformat", required_argument, NULL, OPTION_OFORMAT},
6feb9908
AM		 442 '\0', N_("TARGET"), N_("Specify target of output file"),
443 EXACTLY_TWO_DASHES },
252b5132 444 { {"qmagic", no_argument, NULL, OPTION_IGNORE},
6feb9908
AM		 445 '\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH },
446 { {"reduce-memory-overheads", no_argument, NULL,
447 OPTION_REDUCE_MEMORY_OVERHEADS},
448 '\0', NULL, N_("Reduce memory overheads, possibly taking much longer"),
449 TWO_DASHES },
252b5132 450 { {"relax", no_argument, NULL, OPTION_RELAX},
6feb9908 451 '\0', NULL, N_("Relax branches on certain targets"), TWO_DASHES },
252b5132 452 { {"retain-symbols-file", required_argument, NULL,
6feb9908
AM		 453 OPTION_RETAIN_SYMBOLS_FILE},
454 '\0', N_("FILE"), N_("Keep only symbols listed in FILE"), TWO_DASHES },
252b5132 455 { {"rpath", required_argument, NULL, OPTION_RPATH},
6feb9908 456 '\0', N_("PATH"), N_("Set runtime shared library search path"), ONE_DASH },
252b5132 457 { {"rpath-link", required_argument, NULL, OPTION_RPATH_LINK},
6feb9908
AM		 458 '\0', N_("PATH"), N_("Set link time shared library search path"),
459 ONE_DASH },
252b5132 460 { {"shared", no_argument, NULL, OPTION_SHARED},
6feb9908 461 '\0', NULL, N_("Create a shared library"), ONE_DASH },
252b5132 462 { {"Bshareable", no_argument, NULL, OPTION_SHARED }, /* FreeBSD. */
6feb9908 463 '\0', NULL, NULL, ONE_DASH },
36af4a4e 464 { {"pie", no_argument, NULL, OPTION_PIE},
6feb9908 465 '\0', NULL, N_("Create a position independent executable"), ONE_DASH },
36af4a4e 466 { {"pic-executable", no_argument, NULL, OPTION_PIE},
6feb9908 467 '\0', NULL, NULL, TWO_DASHES },
252b5132 468 { {"sort-common", no_argument, NULL, OPTION_SORT_COMMON},
6feb9908 469 '\0', NULL, N_("Sort common symbols by size"), TWO_DASHES },
252b5132 470 { {"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
6feb9908 471 '\0', NULL, NULL, NO_HELP },
bcaa7b3e
L		 472 { {"sort-section", required_argument, NULL, OPTION_SORT_SECTION},
473 '\0', N_("name|alignment"),
474 N_("Sort sections by name or maximum alignment"), TWO_DASHES },
db6751f2 475 { {"spare-dynamic-tags", required_argument, NULL, OPTION_SPARE_DYNAMIC_TAGS},
6feb9908
AM		 476 '\0', N_("COUNT"), N_("How many tags to reserve in .dynamic section"),
477 TWO_DASHES },
a854a4a7 478 { {"split-by-file", optional_argument, NULL, OPTION_SPLIT_BY_FILE},
6feb9908
AM		 479 '\0', N_("[=SIZE]"), N_("Split output sections every SIZE octets"),
480 TWO_DASHES },
a854a4a7 481 { {"split-by-reloc", optional_argument, NULL, OPTION_SPLIT_BY_RELOC},
6feb9908
AM		 482 '\0', N_("[=COUNT]"), N_("Split output sections every COUNT relocs"),
483 TWO_DASHES },
252b5132 484 { {"stats", no_argument, NULL, OPTION_STATS},
6feb9908 485 '\0', NULL, N_("Print memory usage statistics"), TWO_DASHES },
ea20a7da 486 { {"target-help", no_argument, NULL, OPTION_TARGET_HELP},
6feb9908 487 '\0', NULL, N_("Display target specific options"), TWO_DASHES },
252b5132 488 { {"task-link", required_argument, NULL, OPTION_TASK_LINK},
6feb9908 489 '\0', N_("SYMBOL"), N_("Do task level linking"), TWO_DASHES },
252b5132 490 { {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
6feb9908 491 '\0', NULL, N_("Use same format as native linker"), TWO_DASHES },
176355da 492 { {"section-start", required_argument, NULL, OPTION_SECTION_START},
6feb9908
AM		 493 '\0', N_("SECTION=ADDRESS"), N_("Set address of named section"),
494 TWO_DASHES },
252b5132 495 { {"Tbss", required_argument, NULL, OPTION_TBSS},
6feb9908 496 '\0', N_("ADDRESS"), N_("Set address of .bss section"), ONE_DASH },
252b5132 497 { {"Tdata", required_argument, NULL, OPTION_TDATA},
6feb9908 498 '\0', N_("ADDRESS"), N_("Set address of .data section"), ONE_DASH },
252b5132 499 { {"Ttext", required_argument, NULL, OPTION_TTEXT},
6feb9908
AM		 500 '\0', N_("ADDRESS"), N_("Set address of .text section"), ONE_DASH },
501 { {"unresolved-symbols=<method>", required_argument, NULL,
502 OPTION_UNRESOLVED_SYMBOLS},
503 '\0', NULL, N_("How to handle unresolved symbols. <method> is:\n"
504 "\t\t\t\tignore-all, report-all, ignore-in-object-files,\n"
505 "\t\t\t\tignore-in-shared-libs"), TWO_DASHES },
252b5132 506 { {"verbose", no_argument, NULL, OPTION_VERBOSE},
6feb9908 507 '\0', NULL, N_("Output lots of information during link"), TWO_DASHES },
252b5132 508 { {"dll-verbose", no_argument, NULL, OPTION_VERBOSE}, /* Linux. */
6feb9908 509 '\0', NULL, NULL, NO_HELP },
252b5132 510 { {"version-script", required_argument, NULL, OPTION_VERSION_SCRIPT },
6feb9908 511 '\0', N_("FILE"), N_("Read version information script"), TWO_DASHES },
252b5132
RH		 512 { {"version-exports-section", required_argument, NULL,
513 OPTION_VERSION_EXPORTS_SECTION },
6feb9908
AM		 514 '\0', N_("SYMBOL"), N_("Take export symbols list from .exports, using\n"
515 "\t\t\t\tSYMBOL as the version."), TWO_DASHES },
40b36307
L		 516 { {"dynamic-list-data", no_argument, NULL, OPTION_DYNAMIC_LIST_DATA},
517 '\0', NULL, N_("Add data symbols to dynamic list"), TWO_DASHES },
518 { {"dynamic-list-cpp-new", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_NEW},
519 '\0', NULL, N_("Use C++ operator new/delete dynamic list"), TWO_DASHES },
55255dae
L		 520 { {"dynamic-list-cpp-typeinfo", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_TYPEINFO},
521 '\0', NULL, N_("Use C++ typeinfo dynamic list"), TWO_DASHES },
522 { {"dynamic-list", required_argument, NULL, OPTION_DYNAMIC_LIST},
523 '\0', N_("FILE"), N_("Read dynamic list"), TWO_DASHES },
252b5132 524 { {"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
6feb9908 525 '\0', NULL, N_("Warn about duplicate common symbols"), TWO_DASHES },
252b5132 526 { {"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS},
6feb9908
AM		 527 '\0', NULL, N_("Warn if global constructors/destructors are seen"),
528 TWO_DASHES },
252b5132 529 { {"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP},
6feb9908 530 '\0', NULL, N_("Warn if the multiple GP values are used"), TWO_DASHES },
252b5132 531 { {"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
6feb9908 532 '\0', NULL, N_("Warn only once per undefined symbol"), TWO_DASHES },
252b5132 533 { {"warn-section-align", no_argument, NULL, OPTION_WARN_SECTION_ALIGN},
6feb9908
AM		 534 '\0', NULL, N_("Warn if start of section changes due to alignment"),
535 TWO_DASHES },
8fdd7217
NC		 536 { {"warn-shared-textrel", no_argument, NULL, OPTION_WARN_SHARED_TEXTREL},
537 '\0', NULL, N_("Warn if shared object has DT_TEXTREL"),
538 TWO_DASHES },
6feb9908
AM		 539 { {"warn-unresolved-symbols", no_argument, NULL,
540 OPTION_WARN_UNRESOLVED_SYMBOLS},
560e09e9 541 '\0', NULL, N_("Report unresolved symbols as warnings"), TWO_DASHES },
6feb9908
AM		 542 { {"error-unresolved-symbols", no_argument, NULL,
543 OPTION_ERROR_UNRESOLVED_SYMBOLS},
560e09e9 544 '\0', NULL, N_("Report unresolved symbols as errors"), TWO_DASHES },
252b5132 545 { {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
6feb9908
AM		 546 '\0', NULL, N_("Include all objects from following archives"),
547 TWO_DASHES },
252b5132 548 { {"wrap", required_argument, NULL, OPTION_WRAP},
6feb9908 549 '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES },
252b5132
RH		 550};
551
e4897a32 552#define OPTION_COUNT ARRAY_SIZE (ld_options)
252b5132 553
252b5132 554void
1579bae1 555parse_args (unsigned argc, char **argv)
252b5132 556{
e4897a32
NC		 557 unsigned i;
558 int is, il, irl;
252b5132
RH		 559 int ingroup = 0;
560 char *default_dirlist = NULL;
3bcf5557
AM		 561 char *shortopts;
562 struct option *longopts;
563 struct option *really_longopts;
252b5132 564 int last_optind;
560e09e9 565 enum report_method how_to_report_unresolved_symbols = RM_GENERATE_ERROR;
252b5132 566
1579bae1
AM		 567 shortopts = xmalloc (OPTION_COUNT * 3 + 2);
568 longopts = xmalloc (sizeof (*longopts) * (OPTION_COUNT + 1));
569 really_longopts = xmalloc (sizeof (*really_longopts) * (OPTION_COUNT + 1));
3bcf5557 570
252b5132
RH		 571 /* Starting the short option string with '-' is for programs that
572 expect options and other ARGV-elements in any order and that care about
573 the ordering of the two. We describe each non-option ARGV-element
574 as if it were the argument of an option with character code 1. */
575 shortopts[0] = '-';
576 is = 1;
577 il = 0;
e4897a32 578 irl = 0;
252b5132
RH		 579 for (i = 0; i < OPTION_COUNT; i++)
580 {
581 if (ld_options[i].shortopt != '\0')
582 {
583 shortopts[is] = ld_options[i].shortopt;
584 ++is;
585 if (ld_options[i].opt.has_arg == required_argument
586 || ld_options[i].opt.has_arg == optional_argument)
587 {
588 shortopts[is] = ':';
589 ++is;
590 if (ld_options[i].opt.has_arg == optional_argument)
591 {
592 shortopts[is] = ':';
593 ++is;
594 }
595 }
596 }
597 if (ld_options[i].opt.name != NULL)
598 {
e4897a32
NC		 599 if (ld_options[i].control == EXACTLY_TWO_DASHES)
600 {
601 really_longopts[irl] = ld_options[i].opt;
602 ++irl;
603 }
604 else
605 {
606 longopts[il] = ld_options[i].opt;
607 ++il;
608 }
252b5132
RH		 609 }
610 }
611 shortopts[is] = '\0';
612 longopts[il].name = NULL;
e4897a32 613 really_longopts[irl].name = NULL;
252b5132 614
3bcf5557
AM		 615 ldemul_add_options (is, &shortopts, il, &longopts, irl, &really_longopts);
616
252b5132
RH		 617 /* The -G option is ambiguous on different platforms. Sometimes it
618 specifies the largest data size to put into the small data
619 section. Sometimes it is equivalent to --shared. Unfortunately,
620 the first form takes an argument, while the second does not.
621
622 We need to permit the --shared form because on some platforms,
623 such as Solaris, gcc -shared will pass -G to the linker.
624
625 To permit either usage, we look through the argument list. If we
626 find -G not followed by a number, we change it into --shared.
627 This will work for most normal cases. */
628 for (i = 1; i < argc; i++)
629 if (strcmp (argv[i], "-G") == 0
630 && (i + 1 >= argc
3882b010 631 || ! ISDIGIT (argv[i + 1][0])))
252b5132
RH		 632 argv[i] = (char *) "--shared";
633
634 /* Because we permit long options to start with a single dash, and
635 we have a --library option, and the -l option is conventionally
636 used with an immediately following argument, we can have bad
637 results if somebody tries to use -l with a library whose name
638 happens to start with "ibrary", as in -li. We avoid problems by
639 simply turning -l into --library. This means that users will
640 have to use two dashes in order to use --library, which is OK
641 since that's how it is documented.
642
643 FIXME: It's possible that this problem can arise for other short
644 options as well, although the user does always have the recourse
645 of adding a space between the option and the argument. */
646 for (i = 1; i < argc; i++)
647 {
648 if (argv[i][0] == '-'
649 && argv[i][1] == 'l'
650 && argv[i][2] != '\0')
651 {
652 char *n;
653
1579bae1 654 n = xmalloc (strlen (argv[i]) + 20);
252b5132
RH		 655 sprintf (n, "--library=%s", argv[i] + 2);
656 argv[i] = n;
657 }
658 }
659
660 last_optind = -1;
661 while (1)
662 {
89894c62 663 int longind;
252b5132
RH		 664 int optc;
665
666 /* Using last_optind lets us avoid calling ldemul_parse_args
667 multiple times on a single option, which would lead to
668 confusion in the internal static variables maintained by
669 getopt. This could otherwise happen for an argument like
670 -nx, in which the -n is parsed as a single option, and we
671 loop around to pick up the -x. */
672 if (optind != last_optind)
89894c62
AM		 673 if (ldemul_parse_args (argc, argv))
674 continue;
252b5132
RH		 675
676 /* getopt_long_only is like getopt_long, but '-' as well as '--'
677 can indicate a long option. */
0fc3347a 678 opterr = 0;
89894c62 679 last_optind = optind;
252b5132 680 optc = getopt_long_only (argc, argv, shortopts, longopts, &longind);
0fc3347a
NC		 681 if (optc == '?')
682 {
89894c62
AM		 683 optind = last_optind;
684 optc = getopt_long (argc, argv, "-", really_longopts, &longind);
0fc3347a 685 }
b7ed8fad 686
3bcf5557
AM		 687 if (ldemul_handle_option (optc))
688 continue;
689
252b5132
RH		 690 if (optc == -1)
691 break;
0fc3347a 692
252b5132
RH		 693 switch (optc)
694 {
0fc3347a 695 case '?':
89894c62 696 einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]);
058a363d
BE		 697 /* Fall through. */
698
252b5132 699 default:
210a7bd1
NC		 700 einfo (_("%P%F: use the --help option for usage information\n"));
701
252b5132 702 case 1: /* File name. */
1579bae1 703 lang_add_input_file (optarg, lang_input_file_is_file_enum, NULL);
252b5132
RH		 704 break;
705
706 case OPTION_IGNORE:
707 break;
708 case 'a':
709 /* For HP/UX compatibility. Actually -a shared should mean
1579bae1
AM		 710 ``use only shared libraries'' but, then, we don't
711 currently support shared libraries on HP/UX anyhow. */
252b5132 712 if (strcmp (optarg, "archive") == 0)
b34976b6 713 config.dynamic_link = FALSE;
252b5132
RH		 714 else if (strcmp (optarg, "shared") == 0
715 || strcmp (optarg, "default") == 0)
b34976b6 716 config.dynamic_link = TRUE;
252b5132
RH		 717 else
718 einfo (_("%P%F: unrecognized -a option `%s'\n"), optarg);
719 break;
720 case OPTION_ASSERT:
721 /* FIXME: We just ignore these, but we should handle them. */
722 if (strcmp (optarg, "definitions") == 0)
723 ;
724 else if (strcmp (optarg, "nodefinitions") == 0)
725 ;
726 else if (strcmp (optarg, "nosymbolic") == 0)
727 ;
728 else if (strcmp (optarg, "pure-text") == 0)
729 ;
730 else
731 einfo (_("%P%F: unrecognized -assert option `%s'\n"), optarg);
732 break;
733 case 'A':
734 ldfile_add_arch (optarg);
735 break;
736 case 'b':
737 lang_add_target (optarg);
738 break;
739 case 'c':
740 ldfile_open_command_file (optarg);
741 parser_input = input_mri_script;
742 yyparse ();
743 break;
744 case OPTION_CALL_SHARED:
b34976b6 745 config.dynamic_link = TRUE;
252b5132
RH		 746 break;
747 case OPTION_NON_SHARED:
b34976b6 748 config.dynamic_link = FALSE;
252b5132
RH		 749 break;
750 case OPTION_CREF:
b34976b6
AM		 751 command_line.cref = TRUE;
752 link_info.notice_all = TRUE;
252b5132
RH		 753 break;
754 case 'd':
b34976b6 755 command_line.force_common_definition = TRUE;
252b5132
RH		 756 break;
757 case OPTION_DEFSYM:
758 lex_string = optarg;
759 lex_redirect (optarg);
760 parser_input = input_defsym;
761 parsing_defsym = 1;
762 yyparse ();
763 parsing_defsym = 0;
764 lex_string = NULL;
765 break;
766 case OPTION_DEMANGLE:
b34976b6 767 demangling = TRUE;
28c309a2
NC		 768 if (optarg != NULL)
769 {
770 enum demangling_styles style;
5cc18311 771
28c309a2 772 style = cplus_demangle_name_to_style (optarg);
5cc18311 773 if (style == unknown_demangling)
28c309a2
NC		 774 einfo (_("%F%P: unknown demangling style `%s'"),
775 optarg);
5cc18311 776
28c309a2 777 cplus_demangle_set_style (style);
e47d05ad 778 }
252b5132 779 break;
506eee22 780 case 'I': /* Used on Solaris. */
252b5132
RH		 781 case OPTION_DYNAMIC_LINKER:
782 command_line.interpreter = optarg;
783 break;
e2243057
RS		 784 case OPTION_SYSROOT:
785 /* Already handled in ldmain.c. */
786 break;
252b5132
RH		 787 case OPTION_EB:
788 command_line.endian = ENDIAN_BIG;
789 break;
790 case OPTION_EL:
791 command_line.endian = ENDIAN_LITTLE;
792 break;
793 case OPTION_EMBEDDED_RELOCS:
b34976b6 794 command_line.embedded_relocs = TRUE;
252b5132
RH		 795 break;
796 case OPTION_EXPORT_DYNAMIC:
797 case 'E': /* HP/UX compatibility. */
b34976b6 798 link_info.export_dynamic = TRUE;
252b5132
RH		 799 break;
800 case 'e':
b34976b6 801 lang_add_entry (optarg, TRUE);
252b5132
RH		 802 break;
803 case 'f':
804 if (command_line.auxiliary_filters == NULL)
805 {
1579bae1 806 command_line.auxiliary_filters = xmalloc (2 * sizeof (char *));
252b5132
RH		 807 command_line.auxiliary_filters[0] = optarg;
808 command_line.auxiliary_filters[1] = NULL;
809 }
810 else
811 {
812 int c;
813 char **p;
814
815 c = 0;
816 for (p = command_line.auxiliary_filters; *p != NULL; p++)
817 ++c;
1579bae1
AM		 818 command_line.auxiliary_filters
819 = xrealloc (command_line.auxiliary_filters,
820 (c + 2) * sizeof (char *));
252b5132
RH		 821 command_line.auxiliary_filters[c] = optarg;
822 command_line.auxiliary_filters[c + 1] = NULL;
823 }
824 break;
825 case 'F':
826 command_line.filter_shlib = optarg;
827 break;
828 case OPTION_FORCE_EXE_SUFFIX:
b34976b6 829 command_line.force_exe_suffix = TRUE;
252b5132
RH		 830 break;
831 case 'G':
832 {
833 char *end;
834 g_switch_value = strtoul (optarg, &end, 0);
835 if (*end)
836 einfo (_("%P%F: invalid number `%s'\n"), optarg);
837 }
838 break;
839 case 'g':
840 /* Ignore. */
841 break;
842 case OPTION_GC_SECTIONS:
57316bff 843 link_info.gc_sections = TRUE;
252b5132 844 break;
c17d87de
NC		 845 case OPTION_PRINT_GC_SECTIONS:
846 link_info.print_gc_sections = TRUE;
847 break;
252b5132
RH		 848 case OPTION_HELP:
849 help ();
850 xexit (0);
851 break;
852 case 'L':
b34976b6 853 ldfile_add_library_path (optarg, TRUE);
252b5132
RH		 854 break;
855 case 'l':
1579bae1 856 lang_add_input_file (optarg, lang_input_file_is_l_enum, NULL);
252b5132
RH		 857 break;
858 case 'M':
859 config.map_filename = "-";
860 break;
861 case 'm':
862 /* Ignore. Was handled in a pre-parse. */
863 break;
864 case OPTION_MAP:
865 config.map_filename = optarg;
866 break;
867 case 'N':
b34976b6
AM		 868 config.text_read_only = FALSE;
869 config.magic_demand_paged = FALSE;
870 config.dynamic_link = FALSE;
252b5132 871 break;
63fd3b82 872 case OPTION_NO_OMAGIC:
b34976b6
AM		 873 config.text_read_only = TRUE;
874 config.magic_demand_paged = TRUE;
875 /* NB/ Does not set dynamic_link to TRUE.
63fd3b82
NC		 876 Use --call-shared or -Bdynamic for this. */
877 break;
252b5132 878 case 'n':
b34976b6
AM		 879 config.magic_demand_paged = FALSE;
880 config.dynamic_link = FALSE;
252b5132 881 break;
4818e05f 882 case OPTION_NO_DEFINE_COMMON:
b34976b6 883 command_line.inhibit_common_definition = TRUE;
4818e05f 884 break;
252b5132 885 case OPTION_NO_DEMANGLE:
b34976b6 886 demangling = FALSE;
252b5132
RH		 887 break;
888 case OPTION_NO_GC_SECTIONS:
57316bff 889 link_info.gc_sections = FALSE;
252b5132 890 break;
c17d87de
NC		 891 case OPTION_NO_PRINT_GC_SECTIONS:
892 link_info.print_gc_sections = FALSE;
893 break;
252b5132 894 case OPTION_NO_KEEP_MEMORY:
b34976b6 895 link_info.keep_memory = FALSE;
252b5132
RH		 896 break;
897 case OPTION_NO_UNDEFINED:
6feb9908
AM		 898 link_info.unresolved_syms_in_objects
899 = how_to_report_unresolved_symbols;
252b5132 900 break;
b79e8c78 901 case OPTION_ALLOW_SHLIB_UNDEFINED:
560e09e9 902 link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
b79e8c78 903 break;
ae9a127f 904 case OPTION_NO_ALLOW_SHLIB_UNDEFINED:
6feb9908
AM		 905 link_info.unresolved_syms_in_shared_libs
906 = how_to_report_unresolved_symbols;
ae9a127f 907 break;
560e09e9
NC		 908 case OPTION_UNRESOLVED_SYMBOLS:
909 if (strcmp (optarg, "ignore-all") == 0)
910 {
911 link_info.unresolved_syms_in_objects = RM_IGNORE;
912 link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
913 }
914 else if (strcmp (optarg, "report-all") == 0)
915 {
6feb9908
AM		 916 link_info.unresolved_syms_in_objects
917 = how_to_report_unresolved_symbols;
918 link_info.unresolved_syms_in_shared_libs
919 = how_to_report_unresolved_symbols;
560e09e9
NC		 920 }
921 else if (strcmp (optarg, "ignore-in-object-files") == 0)
922 {
923 link_info.unresolved_syms_in_objects = RM_IGNORE;
6feb9908
AM		 924 link_info.unresolved_syms_in_shared_libs
925 = how_to_report_unresolved_symbols;
560e09e9
NC		 926 }
927 else if (strcmp (optarg, "ignore-in-shared-libs") == 0)
928 {
6feb9908
AM		 929 link_info.unresolved_syms_in_objects
930 = how_to_report_unresolved_symbols;
560e09e9
NC		 931 link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
932 }
933 else
934 einfo (_("%P%F: bad --unresolved-symbols option: %s\n"), optarg);
935 break;
936 case OPTION_WARN_UNRESOLVED_SYMBOLS:
937 how_to_report_unresolved_symbols = RM_GENERATE_WARNING;
938 if (link_info.unresolved_syms_in_objects == RM_GENERATE_ERROR)
939 link_info.unresolved_syms_in_objects = RM_GENERATE_WARNING;
940 if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_ERROR)
941 link_info.unresolved_syms_in_shared_libs = RM_GENERATE_WARNING;
942 break;
6feb9908 943
560e09e9
NC		 944 case OPTION_ERROR_UNRESOLVED_SYMBOLS:
945 how_to_report_unresolved_symbols = RM_GENERATE_ERROR;
946 if (link_info.unresolved_syms_in_objects == RM_GENERATE_WARNING)
947 link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
948 if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_WARNING)
949 link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR;
6feb9908 950 break;
aa713662 951 case OPTION_ALLOW_MULTIPLE_DEFINITION:
b34976b6 952 link_info.allow_multiple_definition = TRUE;
aa713662 953 break;
31941635 954 case OPTION_NO_UNDEFINED_VERSION:
b34976b6 955 link_info.allow_undefined_version = FALSE;
31941635 956 break;
3e3b46e5
PB		 957 case OPTION_DEFAULT_SYMVER:
958 link_info.create_default_symver = TRUE;
959 break;
fc0e6df6
PB		 960 case OPTION_DEFAULT_IMPORTED_SYMVER:
961 link_info.default_imported_symver = TRUE;
962 break;
252b5132 963 case OPTION_NO_WARN_MISMATCH:
b34976b6 964 command_line.warn_mismatch = FALSE;
252b5132
RH		 965 break;
966 case OPTION_NOINHIBIT_EXEC:
b34976b6 967 force_make_executable = TRUE;
252b5132 968 break;
361b220e 969 case OPTION_NOSTDLIB:
b34976b6 970 config.only_cmd_line_lib_dirs = TRUE;
361b220e 971 break;
252b5132 972 case OPTION_NO_WHOLE_ARCHIVE:
b34976b6 973 whole_archive = FALSE;
252b5132
RH		 974 break;
975 case 'O':
976 /* FIXME "-O<non-digits> <value>" used to set the address of
977 section <non-digits>. Was this for compatibility with
978 something, or can we create a new option to do that
979 (with a syntax similar to -defsym)?
980 getopt can't handle two args to an option without kludges. */
981
982 /* Enable optimizations of output files. */
b34976b6 983 link_info.optimize = strtoul (optarg, NULL, 0) ? TRUE : FALSE;
252b5132
RH		 984 break;
985 case 'o':
5cc18311 986 lang_add_output (optarg, 0);
252b5132
RH		 987 break;
988 case OPTION_OFORMAT:
1579bae1 989 lang_add_output_format (optarg, NULL, NULL, 0);
252b5132 990 break;
a712da20 991 case 'q':
b34976b6 992 link_info.emitrelocations = TRUE;
a712da20 993 break;
8c5ff972 994 case 'i':
252b5132 995 case 'r':
210a7bd1
NC		 996 if (optind == last_optind)
997 /* This can happen if the user put "-rpath,a" on the command
998 line. (Or something similar. The comma is important).
999 Getopt becomes confused and thinks that this is a -r option
1000 but it cannot parse the text after the -r so it refuses to
1001 increment the optind counter. Detect this case and issue
1002 an error message here. We cannot just make this a warning,
1003 increment optind, and continue because getopt is too confused
1004 and will seg-fault the next time around. */
1005 einfo(_("%P%F: bad -rpath option\n"));
b7a26f91 1006
1049f94e 1007 link_info.relocatable = TRUE;
b34976b6
AM		 1008 config.build_constructors = FALSE;
1009 config.magic_demand_paged = FALSE;
1010 config.text_read_only = FALSE;
1011 config.dynamic_link = FALSE;
252b5132
RH		 1012 break;
1013 case 'R':
1014 /* The GNU linker traditionally uses -R to mean to include
1015 only the symbols from a file. The Solaris linker uses -R
1016 to set the path used by the runtime linker to find
1017 libraries. This is the GNU linker -rpath argument. We
1018 try to support both simultaneously by checking the file
1019 named. If it is a directory, rather than a regular file,
1020 we assume -rpath was meant. */
1021 {
1022 struct stat s;
1023
1024 if (stat (optarg, &s) >= 0
1025 && ! S_ISDIR (s.st_mode))
1026 {
1027 lang_add_input_file (optarg,
1028 lang_input_file_is_symbols_only_enum,
1579bae1 1029 NULL);
252b5132
RH		 1030 break;
1031 }
1032 }
1033 /* Fall through. */
1034 case OPTION_RPATH:
1035 if (command_line.rpath == NULL)
d1b2b2dc 1036 command_line.rpath = xstrdup (optarg);
252b5132
RH		 1037 else
1038 {
1039 size_t rpath_len = strlen (command_line.rpath);
1040 size_t optarg_len = strlen (optarg);
1041 char *buf;
1042 char *cp = command_line.rpath;
1043
1044 /* First see whether OPTARG is already in the path. */
1045 do
1046 {
1047 size_t idx = 0;
210a7bd1 1048
252b5132
RH		 1049 while (optarg[idx] != '\0' && optarg[idx] == cp[idx])
1050 ++idx;
1051 if (optarg[idx] == '\0'
1052 && (cp[idx] == '\0' || cp[idx] == ':'))
1053 /* We found it. */
1054 break;
1055
1056 /* Not yet found. */
1057 cp = strchr (cp, ':');
1058 if (cp != NULL)
1059 ++cp;
1060 }
1061 while (cp != NULL);
1062
1063 if (cp == NULL)
1064 {
1065 buf = xmalloc (rpath_len + optarg_len + 2);
1066 sprintf (buf, "%s:%s", command_line.rpath, optarg);
1067 free (command_line.rpath);
1068 command_line.rpath = buf;
1069 }
1070 }
1071 break;
1072 case OPTION_RPATH_LINK:
1073 if (command_line.rpath_link == NULL)
d1b2b2dc 1074 command_line.rpath_link = xstrdup (optarg);
252b5132
RH		 1075 else
1076 {
1077 char *buf;
1078
1079 buf = xmalloc (strlen (command_line.rpath_link)
1080 + strlen (optarg)
1081 + 2);
1082 sprintf (buf, "%s:%s", command_line.rpath_link, optarg);
1083 free (command_line.rpath_link);
1084 command_line.rpath_link = buf;
1085 }
1086 break;
1087 case OPTION_RELAX:
b34976b6 1088 command_line.relax = TRUE;
252b5132
RH		 1089 break;
1090 case OPTION_RETAIN_SYMBOLS_FILE:
1091 add_keepsyms_file (optarg);
1092 break;
1093 case 'S':
1094 link_info.strip = strip_debugger;
1095 break;
1096 case 's':
1097 link_info.strip = strip_all;
1098 break;
d5cd3933
AM		 1099 case OPTION_STRIP_DISCARDED:
1100 link_info.strip_discarded = TRUE;
1101 break;
1102 case OPTION_NO_STRIP_DISCARDED:
1103 link_info.strip_discarded = FALSE;
1104 break;
252b5132
RH		 1105 case OPTION_SHARED:
1106 if (config.has_shared)
560e09e9
NC		 1107 {
1108 link_info.shared = TRUE;
1109 /* When creating a shared library, the default
1110 behaviour is to ignore any unresolved references. */
1111 if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET)
1112 link_info.unresolved_syms_in_objects = RM_IGNORE;
1113 if (link_info.unresolved_syms_in_shared_libs == RM_NOT_YET_SET)
1114 link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
1115 }
252b5132
RH		 1116 else
1117 einfo (_("%P%F: -shared not supported\n"));
1118 break;
36af4a4e
JJ		 1119 case OPTION_PIE:
1120 if (config.has_shared)
1121 {
1122 link_info.shared = TRUE;
1123 link_info.pie = TRUE;
1124 }
1125 else
1126 einfo (_("%P%F: -pie not supported\n"));
1127 break;
252b5132
RH		 1128 case 'h': /* Used on Solaris. */
1129 case OPTION_SONAME:
1130 command_line.soname = optarg;
1131 break;
1132 case OPTION_SORT_COMMON:
b34976b6 1133 config.sort_common = TRUE;
252b5132 1134 break;
bcaa7b3e
L		 1135 case OPTION_SORT_SECTION:
1136 if (strcmp (optarg, N_("name")) == 0)
1137 sort_section = by_name;
1138 else if (strcmp (optarg, N_("alignment")) == 0)
1139 sort_section = by_alignment;
1140 else
1141 einfo (_("%P%F: invalid section sorting option: %s\n"),
1142 optarg);
1143 break;
252b5132 1144 case OPTION_STATS:
b34976b6 1145 config.stats = TRUE;
252b5132
RH		 1146 break;
1147 case OPTION_SYMBOLIC:
d8cf8b51
L		 1148 command_line.symbolic = symbolic;
1149 break;
1150 case OPTION_SYMBOLIC_FUNCTIONS:
1151 command_line.symbolic = symbolic_functions;
252b5132
RH		 1152 break;
1153 case 't':
b34976b6 1154 trace_files = TRUE;
252b5132
RH		 1155 break;
1156 case 'T':
1157 ldfile_open_command_file (optarg);
1158 parser_input = input_script;
1159 yyparse ();
1160 break;
14be8564
L		 1161 case OPTION_DEFAULT_SCRIPT:
1162 command_line.default_script = optarg;
1163 break;
176355da
NC		 1164 case OPTION_SECTION_START:
1165 {
1166 char *optarg2;
227aeb07
AM		 1167 char *sec_name;
1168 int len;
176355da
NC		 1169
1170 /* Check for <something>=<somthing>... */
1171 optarg2 = strchr (optarg, '=');
1172 if (optarg2 == NULL)
6feb9908
AM		 1173 einfo (_("%P%F: invalid argument to option"
1174 " \"--section-start\"\n"));
176355da 1175
e47d05ad 1176 optarg2++;
5cc18311 1177
176355da
NC		 1178 /* So far so good. Are all the args present? */
1179 if ((*optarg == '\0') || (*optarg2 == '\0'))
6feb9908
AM		 1180 einfo (_("%P%F: missing argument(s) to option"
1181 " \"--section-start\"\n"));
176355da 1182
227aeb07
AM		 1183 /* We must copy the section name as set_section_start
1184 doesn't do it for us. */
1185 len = optarg2 - optarg;
1186 sec_name = xmalloc (len);
1187 memcpy (sec_name, optarg, len - 1);
1188 sec_name[len - 1] = 0;
176355da
NC		 1189
1190 /* Then set it... */
227aeb07 1191 set_section_start (sec_name, optarg2);
176355da
NC		 1192 }
1193 break;
ea20a7da
CC		 1194 case OPTION_TARGET_HELP:
1195 /* Mention any target specific options. */
b7a26f91
KH		 1196 ldemul_list_emulation_options (stdout);
1197 exit (0);
252b5132 1198 case OPTION_TBSS:
ba916c8a 1199 set_segment_start (".bss", optarg);
252b5132
RH		 1200 break;
1201 case OPTION_TDATA:
ba916c8a 1202 set_segment_start (".data", optarg);
252b5132
RH		 1203 break;
1204 case OPTION_TTEXT:
ba916c8a 1205 set_segment_start (".text", optarg);
252b5132
RH		 1206 break;
1207 case OPTION_TRADITIONAL_FORMAT:
b34976b6 1208 link_info.traditional_format = TRUE;
252b5132
RH		 1209 break;
1210 case OPTION_TASK_LINK:
b34976b6 1211 link_info.task_link = TRUE;
252b5132
RH		 1212 /* Fall through - do an implied -r option. */
1213 case OPTION_UR:
1049f94e 1214 link_info.relocatable = TRUE;
b34976b6
AM		 1215 config.build_constructors = TRUE;
1216 config.magic_demand_paged = FALSE;
1217 config.text_read_only = FALSE;
1218 config.dynamic_link = FALSE;
252b5132
RH		 1219 break;
1220 case 'u':
1221 ldlang_add_undef (optarg);
1222 break;
a854a4a7 1223 case OPTION_UNIQUE:
577a0623
AM		 1224 if (optarg != NULL)
1225 lang_add_unique (optarg);
1226 else
b34976b6 1227 config.unique_orphan_sections = TRUE;
a854a4a7 1228 break;
252b5132
RH		 1229 case OPTION_VERBOSE:
1230 ldversion (1);
b34976b6
AM		 1231 version_printed = TRUE;
1232 trace_file_tries = TRUE;
8aae64e6 1233 overflow_cutoff_limit = -2;
252b5132
RH		 1234 break;
1235 case 'v':
1236 ldversion (0);
b34976b6 1237 version_printed = TRUE;
252b5132
RH		 1238 break;
1239 case 'V':
1240 ldversion (1);
b34976b6 1241 version_printed = TRUE;
252b5132
RH		 1242 break;
1243 case OPTION_VERSION:
d32820f2 1244 ldversion (2);
252b5132
RH		 1245 xexit (0);
1246 break;
1247 case OPTION_VERSION_SCRIPT:
1248 /* This option indicates a small script that only specifies
1579bae1
AM		 1249 version information. Read it, but don't assume that
1250 we've seen a linker script. */
252b5132 1251 {
b7a26f91 1252 FILE *hold_script_handle;
252b5132 1253
b9a8de1e 1254 hold_script_handle = saved_script_handle;
252b5132 1255 ldfile_open_command_file (optarg);
b9a8de1e 1256 saved_script_handle = hold_script_handle;
252b5132
RH		 1257 parser_input = input_version_script;
1258 yyparse ();
1259 }
1260 break;
1261 case OPTION_VERSION_EXPORTS_SECTION:
1262 /* This option records a version symbol to be applied to the
1263 symbols listed for export to be found in the object files
1264 .exports sections. */
1265 command_line.version_exports_section = optarg;
1266 break;
40b36307 1267 case OPTION_DYNAMIC_LIST_DATA:
d8cf8b51
L		 1268 command_line.dynamic_list = dynamic_list_data;
1269 if (command_line.symbolic == symbolic)
1270 command_line.symbolic = symbolic_unset;
40b36307 1271 break;
55255dae
L		 1272 case OPTION_DYNAMIC_LIST_CPP_TYPEINFO:
1273 lang_append_dynamic_list_cpp_typeinfo ();
d8cf8b51
L		 1274 if (command_line.dynamic_list != dynamic_list_data)
1275 command_line.dynamic_list = dynamic_list;
1276 if (command_line.symbolic == symbolic)
1277 command_line.symbolic = symbolic_unset;
40b36307
L		 1278 break;
1279 case OPTION_DYNAMIC_LIST_CPP_NEW:
1280 lang_append_dynamic_list_cpp_new ();
d8cf8b51
L		 1281 if (command_line.dynamic_list != dynamic_list_data)
1282 command_line.dynamic_list = dynamic_list;
1283 if (command_line.symbolic == symbolic)
1284 command_line.symbolic = symbolic_unset;
55255dae
L		 1285 break;
1286 case OPTION_DYNAMIC_LIST:
1287 /* This option indicates a small script that only specifies
1288 a dynamic list. Read it, but don't assume that we've
1289 seen a linker script. */
1290 {
1291 FILE *hold_script_handle;
1292
1293 hold_script_handle = saved_script_handle;
1294 ldfile_open_command_file (optarg);
1295 saved_script_handle = hold_script_handle;
1296 parser_input = input_dynamic_list;
1297 yyparse ();
1298 }
d8cf8b51
L		 1299 if (command_line.dynamic_list != dynamic_list_data)
1300 command_line.dynamic_list = dynamic_list;
1301 if (command_line.symbolic == symbolic)
1302 command_line.symbolic = symbolic_unset;
55255dae 1303 break;
252b5132 1304 case OPTION_WARN_COMMON:
b34976b6 1305 config.warn_common = TRUE;
252b5132
RH		 1306 break;
1307 case OPTION_WARN_CONSTRUCTORS:
b34976b6 1308 config.warn_constructors = TRUE;
252b5132 1309 break;
7ce691ae 1310 case OPTION_WARN_FATAL:
b34976b6 1311 config.fatal_warnings = TRUE;
7ce691ae 1312 break;
252b5132 1313 case OPTION_WARN_MULTIPLE_GP:
b34976b6 1314 config.warn_multiple_gp = TRUE;
252b5132
RH		 1315 break;
1316 case OPTION_WARN_ONCE:
b34976b6 1317 config.warn_once = TRUE;
252b5132
RH		 1318 break;
1319 case OPTION_WARN_SECTION_ALIGN:
b34976b6 1320 config.warn_section_align = TRUE;
252b5132 1321 break;
8fdd7217
NC		 1322 case OPTION_WARN_SHARED_TEXTREL:
1323 link_info.warn_shared_textrel = TRUE;
1324 break;
252b5132 1325 case OPTION_WHOLE_ARCHIVE:
b34976b6 1326 whole_archive = TRUE;
252b5132 1327 break;
e56f61be
L		 1328 case OPTION_ADD_NEEDED:
1329 add_needed = TRUE;
1330 break;
1331 case OPTION_NO_ADD_NEEDED:
1332 add_needed = FALSE;
1333 break;
4a43e768
AM		 1334 case OPTION_AS_NEEDED:
1335 as_needed = TRUE;
1336 break;
1337 case OPTION_NO_AS_NEEDED:
1338 as_needed = FALSE;
1339 break;
252b5132
RH		 1340 case OPTION_WRAP:
1341 add_wrap (optarg);
1342 break;
f5fa8ca2
JJ		 1343 case OPTION_DISCARD_NONE:
1344 link_info.discard = discard_none;
1345 break;
252b5132
RH		 1346 case 'X':
1347 link_info.discard = discard_l;
1348 break;
1349 case 'x':
1350 link_info.discard = discard_all;
1351 break;
1352 case 'Y':
0112cd26 1353 if (CONST_STRNEQ (optarg, "P,"))
252b5132 1354 optarg += 2;
5ed6aba4
NC		 1355 if (default_dirlist != NULL)
1356 free (default_dirlist);
252b5132
RH		 1357 default_dirlist = xstrdup (optarg);
1358 break;
1359 case 'y':
1360 add_ysym (optarg);
1361 break;
db6751f2
JJ		 1362 case OPTION_SPARE_DYNAMIC_TAGS:
1363 link_info.spare_dynamic_tags = strtoul (optarg, NULL, 0);
1364 break;
252b5132 1365 case OPTION_SPLIT_BY_RELOC:
a854a4a7
AM		 1366 if (optarg != NULL)
1367 config.split_by_reloc = strtoul (optarg, NULL, 0);
1368 else
1369 config.split_by_reloc = 32768;
5cc18311 1370 break;
252b5132 1371 case OPTION_SPLIT_BY_FILE:
a854a4a7
AM		 1372 if (optarg != NULL)
1373 config.split_by_file = bfd_scan_vma (optarg, NULL, 0);
1374 else
1375 config.split_by_file = 1;
5cc18311 1376 break;
252b5132 1377 case OPTION_CHECK_SECTIONS:
b34976b6 1378 command_line.check_section_addresses = TRUE;
252b5132
RH		 1379 break;
1380 case OPTION_NO_CHECK_SECTIONS:
b34976b6 1381 command_line.check_section_addresses = FALSE;
252b5132 1382 break;
312b768e
NC		 1383 case OPTION_ACCEPT_UNKNOWN_INPUT_ARCH:
1384 command_line.accept_unknown_input_arch = TRUE;
1385 break;
1386 case OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH:
1387 command_line.accept_unknown_input_arch = FALSE;
1388 break;
252b5132
RH		 1389 case '(':
1390 if (ingroup)
210a7bd1
NC		 1391 einfo (_("%P%F: may not nest groups (--help for usage)\n"));
1392
252b5132
RH		 1393 lang_enter_group ();
1394 ingroup = 1;
1395 break;
1396 case ')':
1397 if (! ingroup)
210a7bd1
NC		 1398 einfo (_("%P%F: group ended before it began (--help for usage)\n"));
1399
252b5132
RH		 1400 lang_leave_group ();
1401 ingroup = 0;
1402 break;
3dbf70a2
MM		 1403
1404 case OPTION_INIT:
1405 link_info.init_function = optarg;
1406 break;
5cc18311 1407
3dbf70a2
MM		 1408 case OPTION_FINI:
1409 link_info.fini_function = optarg;
1410 break;
2d643429 1411
35835446 1412 case OPTION_REDUCE_MEMORY_OVERHEADS:
c0f00686 1413 link_info.reduce_memory_overheads = TRUE;
2d643429
NC		 1414 if (config.hash_table_size == 0)
1415 config.hash_table_size = 1021;
35835446 1416 break;
2d643429
NC		 1417
1418 case OPTION_HASH_SIZE:
1419 {
1420 bfd_size_type new_size;
1421
1422 new_size = strtoul (optarg, NULL, 0);
1423 if (new_size)
1424 config.hash_table_size = new_size;
1425 else
1426 einfo (_("%P%X: --hash-size needs a numeric argument\n"));
1427 }
1428 break;
252b5132
RH		 1429 }
1430 }
1431
1432 if (ingroup)
1433 lang_leave_group ();
1434
1435 if (default_dirlist != NULL)
5ed6aba4
NC		 1436 {
1437 set_default_dirlist (default_dirlist);
1438 free (default_dirlist);
1439 }
560e09e9
NC		 1440
1441 if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET)
1442 /* FIXME: Should we allow emulations a chance to set this ? */
1443 link_info.unresolved_syms_in_objects = how_to_report_unresolved_symbols;
6feb9908 1444
560e09e9
NC		 1445 if (link_info.unresolved_syms_in_shared_libs == RM_NOT_YET_SET)
1446 /* FIXME: Should we allow emulations a chance to set this ? */
1447 link_info.unresolved_syms_in_shared_libs = how_to_report_unresolved_symbols;
252b5132
RH		 1448}
1449
1450/* Add the (colon-separated) elements of DIRLIST_PTR to the
1451 library search path. */
1452
1453static void
1579bae1 1454set_default_dirlist (char *dirlist_ptr)
252b5132
RH		 1455{
1456 char *p;
1457
1458 while (1)
1459 {
1460 p = strchr (dirlist_ptr, PATH_SEPARATOR);
1461 if (p != NULL)
1462 *p = '\0';
1463 if (*dirlist_ptr != '\0')
b34976b6 1464 ldfile_add_library_path (dirlist_ptr, TRUE);
252b5132
RH		 1465 if (p == NULL)
1466 break;
1467 dirlist_ptr = p + 1;
1468 }
1469}
1470
1471static void
1579bae1 1472set_section_start (char *sect, char *valstr)
252b5132 1473{
93697284
AM		 1474 const char *end;
1475 bfd_vma val = bfd_scan_vma (valstr, &end, 16);
252b5132
RH		 1476 if (*end)
1477 einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
ba916c8a 1478 lang_section_start (sect, exp_intop (val), NULL);
252b5132 1479}
ba916c8a
MM		 1480
1481static void
1482set_segment_start (const char *section, char *valstr)
1483{
1484 const char *name;
1485 const char *end;
1486 segment_type *seg;
1487
1488 bfd_vma val = bfd_scan_vma (valstr, &end, 16);
1489 if (*end)
1490 einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
1491 /* If we already have an entry for this segment, update the existing
1492 value. */
1493 name = section + 1;
1494 for (seg = segments; seg; seg = seg->next)
1495 if (strcmp (seg->name, name) == 0)
1496 {
1497 seg->value = val;
1498 return;
1499 }
1500 /* There was no existing value so we must create a new segment
1501 entry. */
1502 seg = stat_alloc (sizeof (*seg));
1503 seg->name = name;
1504 seg->value = val;
1505 seg->used = FALSE;
1506 /* Add it to the linked list of segments. */
1507 seg->next = segments;
1508 segments = seg;
1509 /* Historically, -Ttext and friends set the base address of a
1510 particular section. For backwards compatibility, we still do
1511 that. If a SEGMENT_START directive is seen, the section address
1512 assignment will be disabled. */
1513 lang_section_start (section, exp_intop (val), seg);
1514}
1515
252b5132
RH		 1516\f
1517/* Print help messages for the options. */
1518
1519static void
1579bae1 1520help (void)
252b5132 1521{
e4897a32 1522 unsigned i;
252b5132 1523 const char **targets, **pp;
a55ff675 1524 int len;
252b5132
RH		 1525
1526 printf (_("Usage: %s [options] file...\n"), program_name);
1527
1528 printf (_("Options:\n"));
1529 for (i = 0; i < OPTION_COUNT; i++)
1530 {
1531 if (ld_options[i].doc != NULL)
1532 {
b34976b6 1533 bfd_boolean comma;
e4897a32 1534 unsigned j;
252b5132
RH		 1535
1536 printf (" ");
1537
b34976b6 1538 comma = FALSE;
252b5132
RH		 1539 len = 2;
1540
1541 j = i;
1542 do
1543 {
1544 if (ld_options[j].shortopt != '\0'
1545 && ld_options[j].control != NO_HELP)
1546 {
1547 printf ("%s-%c", comma ? ", " : "", ld_options[j].shortopt);
1548 len += (comma ? 2 : 0) + 2;
1549 if (ld_options[j].arg != NULL)
1550 {
1551 if (ld_options[j].opt.has_arg != optional_argument)
1552 {
1553 printf (" ");
1554 ++len;
1555 }
1556 printf ("%s", _(ld_options[j].arg));
1557 len += strlen (_(ld_options[j].arg));
1558 }
b34976b6 1559 comma = TRUE;
252b5132
RH		 1560 }
1561 ++j;
1562 }
1563 while (j < OPTION_COUNT && ld_options[j].doc == NULL);
1564
1565 j = i;
1566 do
1567 {
1568 if (ld_options[j].opt.name != NULL
1569 && ld_options[j].control != NO_HELP)
1570 {
e4897a32
NC		 1571 int two_dashes =
1572 (ld_options[j].control == TWO_DASHES
1573 || ld_options[j].control == EXACTLY_TWO_DASHES);
b7a26f91 1574
252b5132
RH		 1575 printf ("%s-%s%s",
1576 comma ? ", " : "",
e4897a32 1577 two_dashes ? "-" : "",
252b5132
RH		 1578 ld_options[j].opt.name);
1579 len += ((comma ? 2 : 0)
1580 + 1
e4897a32 1581 + (two_dashes ? 1 : 0)
252b5132
RH		 1582 + strlen (ld_options[j].opt.name));
1583 if (ld_options[j].arg != NULL)
1584 {
1585 printf (" %s", _(ld_options[j].arg));
1586 len += 1 + strlen (_(ld_options[j].arg));
1587 }
b34976b6 1588 comma = TRUE;
252b5132
RH		 1589 }
1590 ++j;
1591 }
1592 while (j < OPTION_COUNT && ld_options[j].doc == NULL);
1593
1594 if (len >= 30)
1595 {
1596 printf ("\n");
1597 len = 0;
1598 }
1599
1600 for (; len < 30; len++)
1601 putchar (' ');
1602
1603 printf ("%s\n", _(ld_options[i].doc));
1604 }
1605 }
a55ff675
MM		 1606 printf (_(" @FILE"));
1607 for (len = strlen (" @FILE"); len < 30; len++)
1608 putchar (' ');
1609 printf (_("Read options from FILE\n"));
252b5132 1610
f75692fe
NC		 1611 /* Note: Various tools (such as libtool) depend upon the
1612 format of the listings below - do not change them. */
252b5132 1613 /* xgettext:c-format */
f75692fe 1614 printf (_("%s: supported targets:"), program_name);
252b5132
RH		 1615 targets = bfd_target_list ();
1616 for (pp = targets; *pp != NULL; pp++)
1617 printf (" %s", *pp);
1618 free (targets);
1619 printf ("\n");
1620
1621 /* xgettext:c-format */
f75692fe 1622 printf (_("%s: supported emulations: "), program_name);
252b5132
RH		 1623 ldemul_list_emulations (stdout);
1624 printf ("\n");
1625
1626 /* xgettext:c-format */
1627 printf (_("%s: emulation specific options:\n"), program_name);
1628 ldemul_list_emulation_options (stdout);
1629 printf ("\n");
c20f4f8c 1630
92f01d61
JM		 1631 if (REPORT_BUGS_TO[0])
1632 printf (_("Report bugs to %s\n"), REPORT_BUGS_TO);
252b5132 1633}
GDB Binutils - Deliverables
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