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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,
aef6203b 3 2001, 2002, 2003, 2004, 2005
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,
100 OPTION_TASK_LINK,
101 OPTION_TBSS,
102 OPTION_TDATA,
103 OPTION_TTEXT,
104 OPTION_TRADITIONAL_FORMAT,
105 OPTION_UR,
106 OPTION_VERBOSE,
107 OPTION_VERSION,
108 OPTION_VERSION_SCRIPT,
109 OPTION_VERSION_EXPORTS_SECTION,
55255dae
L		 110 OPTION_DYNAMIC_LIST,
111 OPTION_DYNAMIC_LIST_CPP_TYPEINFO,
560e09e9
NC		 112 OPTION_WARN_COMMON,
113 OPTION_WARN_CONSTRUCTORS,
114 OPTION_WARN_FATAL,
115 OPTION_WARN_MULTIPLE_GP,
116 OPTION_WARN_ONCE,
117 OPTION_WARN_SECTION_ALIGN,
118 OPTION_SPLIT_BY_RELOC,
119 OPTION_SPLIT_BY_FILE ,
120 OPTION_WHOLE_ARCHIVE,
e56f61be
L		 121 OPTION_ADD_NEEDED,
122 OPTION_NO_ADD_NEEDED,
4a43e768
AM		 123 OPTION_AS_NEEDED,
124 OPTION_NO_AS_NEEDED,
560e09e9
NC		 125 OPTION_WRAP,
126 OPTION_FORCE_EXE_SUFFIX,
127 OPTION_GC_SECTIONS,
128 OPTION_NO_GC_SECTIONS,
c17d87de
NC		 129 OPTION_PRINT_GC_SECTIONS,
130 OPTION_NO_PRINT_GC_SECTIONS,
2d643429 131 OPTION_HASH_SIZE,
560e09e9
NC		 132 OPTION_CHECK_SECTIONS,
133 OPTION_NO_CHECK_SECTIONS,
560e09e9
NC		 134 OPTION_NO_UNDEFINED,
135 OPTION_INIT,
136 OPTION_FINI,
137 OPTION_SECTION_START,
138 OPTION_UNIQUE,
139 OPTION_TARGET_HELP,
140 OPTION_ALLOW_SHLIB_UNDEFINED,
141 OPTION_NO_ALLOW_SHLIB_UNDEFINED,
142 OPTION_ALLOW_MULTIPLE_DEFINITION,
143 OPTION_NO_UNDEFINED_VERSION,
3e3b46e5 144 OPTION_DEFAULT_SYMVER,
fc0e6df6 145 OPTION_DEFAULT_IMPORTED_SYMVER,
560e09e9
NC		 146 OPTION_DISCARD_NONE,
147 OPTION_SPARE_DYNAMIC_TAGS,
148 OPTION_NO_DEFINE_COMMON,
149 OPTION_NOSTDLIB,
150 OPTION_NO_OMAGIC,
151 OPTION_STRIP_DISCARDED,
152 OPTION_NO_STRIP_DISCARDED,
153 OPTION_ACCEPT_UNKNOWN_INPUT_ARCH,
154 OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH,
155 OPTION_PIE,
156 OPTION_UNRESOLVED_SYMBOLS,
157 OPTION_WARN_UNRESOLVED_SYMBOLS,
35835446 158 OPTION_ERROR_UNRESOLVED_SYMBOLS,
8fdd7217 159 OPTION_WARN_SHARED_TEXTREL,
35835446 160 OPTION_REDUCE_MEMORY_OVERHEADS
560e09e9 161};
252b5132
RH		 162
163/* The long options. This structure is used for both the option
164 parsing and the help text. */
165
b79e8c78
NC		 166struct ld_option
167{
252b5132
RH		 168 /* The long option information. */
169 struct option opt;
170 /* The short option with the same meaning ('\0' if none). */
171 char shortopt;
172 /* The name of the argument (NULL if none). */
173 const char *arg;
174 /* The documentation string. If this is NULL, this is a synonym for
175 the previous option. */
176 const char *doc;
e47d05ad
KH		 177 enum {
178 /* Use one dash before long option name. */
179 ONE_DASH,
180 /* Use two dashes before long option name. */
181 TWO_DASHES,
e4897a32
NC		 182 /* Only accept two dashes before the long option name.
183 This is an overloading of the use of this enum, since originally it
184 was only intended to tell the --help display function how to display
185 the long option name. This feature was added in order to resolve
186 the confusion about the -omagic command line switch. Is it setting
187 the output file name to "magic" or is it setting the NMAGIC flag on
188 the output ? It has been decided that it is setting the output file
189 name, and that if you want to set the NMAGIC flag you should use -N
190 or --omagic. */
191 EXACTLY_TWO_DASHES,
e47d05ad
KH		 192 /* Don't mention this option in --help output. */
193 NO_HELP
194 } control;
252b5132
RH		 195};
196
b79e8c78
NC		 197static const struct ld_option ld_options[] =
198{
252b5132 199 { {NULL, required_argument, NULL, '\0'},
6feb9908
AM		 200 'a', N_("KEYWORD"), N_("Shared library control for HP/UX compatibility"),
201 ONE_DASH },
252b5132 202 { {"architecture", required_argument, NULL, 'A'},
6feb9908 203 'A', N_("ARCH"), N_("Set architecture") , TWO_DASHES },
252b5132 204 { {"format", required_argument, NULL, 'b'},
6feb9908
AM		 205 'b', N_("TARGET"), N_("Specify target for following input files"),
206 TWO_DASHES },
252b5132 207 { {"mri-script", required_argument, NULL, 'c'},
6feb9908 208 'c', N_("FILE"), N_("Read MRI format linker script"), TWO_DASHES },
252b5132 209 { {"dc", no_argument, NULL, 'd'},
6feb9908 210 'd', NULL, N_("Force common symbols to be defined"), ONE_DASH },
252b5132 211 { {"dp", no_argument, NULL, 'd'},
6feb9908 212 '\0', NULL, NULL, ONE_DASH },
252b5132 213 { {"entry", required_argument, NULL, 'e'},
6feb9908 214 'e', N_("ADDRESS"), N_("Set start address"), TWO_DASHES },
252b5132 215 { {"export-dynamic", no_argument, NULL, OPTION_EXPORT_DYNAMIC},
6feb9908 216 'E', NULL, N_("Export all dynamic symbols"), TWO_DASHES },
252b5132 217 { {"EB", no_argument, NULL, OPTION_EB},
6feb9908 218 '\0', NULL, N_("Link big-endian objects"), ONE_DASH },
252b5132 219 { {"EL", no_argument, NULL, OPTION_EL},
6feb9908 220 '\0', NULL, N_("Link little-endian objects"), ONE_DASH },
252b5132 221 { {"auxiliary", required_argument, NULL, 'f'},
6feb9908
AM		 222 'f', N_("SHLIB"), N_("Auxiliary filter for shared object symbol table"),
223 TWO_DASHES },
252b5132 224 { {"filter", required_argument, NULL, 'F'},
6feb9908
AM		 225 'F', N_("SHLIB"), N_("Filter for shared object symbol table"),
226 TWO_DASHES },
252b5132 227 { {NULL, no_argument, NULL, '\0'},
6feb9908 228 'g', NULL, N_("Ignored"), ONE_DASH },
252b5132 229 { {"gpsize", required_argument, NULL, 'G'},
6feb9908
AM		 230 'G', N_("SIZE"), N_("Small data size (if no size, same as --shared)"),
231 TWO_DASHES },
252b5132 232 { {"soname", required_argument, NULL, OPTION_SONAME},
6feb9908 233 'h', N_("FILENAME"), N_("Set internal name of shared library"), ONE_DASH },
506eee22 234 { {"dynamic-linker", required_argument, NULL, OPTION_DYNAMIC_LINKER},
6feb9908
AM		 235 'I', N_("PROGRAM"), N_("Set PROGRAM as the dynamic linker to use"),
236 TWO_DASHES },
252b5132 237 { {"library", required_argument, NULL, 'l'},
6feb9908 238 'l', N_("LIBNAME"), N_("Search for library LIBNAME"), TWO_DASHES },
252b5132 239 { {"library-path", required_argument, NULL, 'L'},
6feb9908
AM		 240 'L', N_("DIRECTORY"), N_("Add DIRECTORY to library search path"),
241 TWO_DASHES },
e2243057
RS		 242 { {"sysroot=<DIRECTORY>", required_argument, NULL, OPTION_SYSROOT},
243 '\0', NULL, N_("Override the default sysroot location"), TWO_DASHES },
252b5132 244 { {NULL, required_argument, NULL, '\0'},
6feb9908 245 'm', N_("EMULATION"), N_("Set emulation"), ONE_DASH },
252b5132 246 { {"print-map", no_argument, NULL, 'M'},
6feb9908 247 'M', NULL, N_("Print map file on standard output"), TWO_DASHES },
252b5132 248 { {"nmagic", no_argument, NULL, 'n'},
6feb9908 249 'n', NULL, N_("Do not page align data"), TWO_DASHES },
252b5132 250 { {"omagic", no_argument, NULL, 'N'},
6feb9908
AM		 251 'N', NULL, N_("Do not page align data, do not make text readonly"),
252 EXACTLY_TWO_DASHES },
63fd3b82 253 { {"no-omagic", no_argument, NULL, OPTION_NO_OMAGIC},
6feb9908
AM		 254 '\0', NULL, N_("Page align data, make text readonly"),
255 EXACTLY_TWO_DASHES },
252b5132 256 { {"output", required_argument, NULL, 'o'},
6feb9908 257 'o', N_("FILE"), N_("Set output file name"), EXACTLY_TWO_DASHES },
252b5132 258 { {NULL, required_argument, NULL, '\0'},
6feb9908 259 'O', NULL, N_("Optimize output file"), ONE_DASH },
252b5132 260 { {"Qy", no_argument, NULL, OPTION_IGNORE},
6feb9908 261 '\0', NULL, N_("Ignored for SVR4 compatibility"), ONE_DASH },
a712da20 262 { {"emit-relocs", no_argument, NULL, 'q'},
6feb9908 263 'q', NULL, "Generate relocations in final output", TWO_DASHES },
1049f94e 264 { {"relocatable", no_argument, NULL, 'r'},
6feb9908 265 'r', NULL, N_("Generate relocatable output"), TWO_DASHES },
252b5132 266 { {NULL, no_argument, NULL, '\0'},
6feb9908 267 'i', NULL, NULL, ONE_DASH },
252b5132 268 { {"just-symbols", required_argument, NULL, 'R'},
6feb9908
AM		 269 'R', N_("FILE"), N_("Just link symbols (if directory, same as --rpath)"),
270 TWO_DASHES },
252b5132 271 { {"strip-all", no_argument, NULL, 's'},
6feb9908 272 's', NULL, N_("Strip all symbols"), TWO_DASHES },
252b5132 273 { {"strip-debug", no_argument, NULL, 'S'},
6feb9908 274 'S', NULL, N_("Strip debugging symbols"), TWO_DASHES },
d5cd3933 275 { {"strip-discarded", no_argument, NULL, OPTION_STRIP_DISCARDED},
6feb9908 276 '\0', NULL, N_("Strip symbols in discarded sections"), TWO_DASHES },
d5cd3933 277 { {"no-strip-discarded", no_argument, NULL, OPTION_NO_STRIP_DISCARDED},
6feb9908 278 '\0', NULL, N_("Do not strip symbols in discarded sections"), TWO_DASHES },
252b5132 279 { {"trace", no_argument, NULL, 't'},
6feb9908 280 't', NULL, N_("Trace file opens"), TWO_DASHES },
252b5132 281 { {"script", required_argument, NULL, 'T'},
6feb9908 282 'T', N_("FILE"), N_("Read linker script"), TWO_DASHES },
252b5132 283 { {"undefined", required_argument, NULL, 'u'},
6feb9908
AM		 284 'u', N_("SYMBOL"), N_("Start with undefined reference to SYMBOL"),
285 TWO_DASHES },
577a0623 286 { {"unique", optional_argument, NULL, OPTION_UNIQUE},
6feb9908
AM		 287 '\0', N_("[=SECTION]"),
288 N_("Don't merge input [SECTION | orphan] sections"), TWO_DASHES },
252b5132 289 { {"Ur", no_argument, NULL, OPTION_UR},
6feb9908 290 '\0', NULL, N_("Build global constructor/destructor tables"), ONE_DASH },
252b5132 291 { {"version", no_argument, NULL, OPTION_VERSION},
6feb9908 292 'v', NULL, N_("Print version information"), TWO_DASHES },
252b5132 293 { {NULL, no_argument, NULL, '\0'},
6feb9908 294 'V', NULL, N_("Print version and emulation information"), ONE_DASH },
252b5132 295 { {"discard-all", no_argument, NULL, 'x'},
6feb9908 296 'x', NULL, N_("Discard all local symbols"), TWO_DASHES },
252b5132 297 { {"discard-locals", no_argument, NULL, 'X'},
6feb9908 298 'X', NULL, N_("Discard temporary local symbols (default)"), TWO_DASHES },
f5fa8ca2 299 { {"discard-none", no_argument, NULL, OPTION_DISCARD_NONE},
6feb9908 300 '\0', NULL, N_("Don't discard any local symbols"), TWO_DASHES },
252b5132 301 { {"trace-symbol", required_argument, NULL, 'y'},
6feb9908 302 'y', N_("SYMBOL"), N_("Trace mentions of SYMBOL"), TWO_DASHES },
252b5132 303 { {NULL, required_argument, NULL, '\0'},
6feb9908
AM		 304 'Y', N_("PATH"), N_("Default search path for Solaris compatibility"),
305 ONE_DASH },
252b5132 306 { {"start-group", no_argument, NULL, '('},
6feb9908 307 '(', NULL, N_("Start a group"), TWO_DASHES },
252b5132 308 { {"end-group", no_argument, NULL, ')'},
6feb9908
AM		 309 ')', NULL, N_("End a group"), TWO_DASHES },
310 { {"accept-unknown-input-arch", no_argument, NULL,
311 OPTION_ACCEPT_UNKNOWN_INPUT_ARCH},
312 '\0', NULL,
313 N_("Accept input files whose architecture cannot be determined"),
314 TWO_DASHES },
315 { {"no-accept-unknown-input-arch", no_argument, NULL,
316 OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH},
317 '\0', NULL, N_("Reject input files whose architecture is unknown"),
318 TWO_DASHES },
8fdd7217
NC		 319 { {"add-needed", no_argument, NULL, OPTION_ADD_NEEDED},
320 '\0', NULL, N_("Set DT_NEEDED tags for DT_NEEDED entries in\n"
321 "\t\t\t\tfollowing dynamic libs"), TWO_DASHES },
322 { {"no-add-needed", no_argument, NULL, OPTION_NO_ADD_NEEDED},
323 '\0', NULL, N_("Do not set DT_NEEDED tags for DT_NEEDED entries\n"
324 "\t\t\t\tin following dynamic libs"), TWO_DASHES },
325 { {"as-needed", no_argument, NULL, OPTION_AS_NEEDED},
326 '\0', NULL, N_("Only set DT_NEEDED for following dynamic libs if used"),
327 TWO_DASHES },
328 { {"no-as-needed", no_argument, NULL, OPTION_NO_AS_NEEDED},
329 '\0', NULL, N_("Always set DT_NEEDED for following dynamic libs"),
330 TWO_DASHES },
252b5132 331 { {"assert", required_argument, NULL, OPTION_ASSERT},
6feb9908 332 '\0', N_("KEYWORD"), N_("Ignored for SunOS compatibility"), ONE_DASH },
252b5132 333 { {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
6feb9908 334 '\0', NULL, N_("Link against shared libraries"), ONE_DASH },
252b5132 335 { {"dy", no_argument, NULL, OPTION_CALL_SHARED},
6feb9908 336 '\0', NULL, NULL, ONE_DASH },
252b5132 337 { {"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
6feb9908 338 '\0', NULL, NULL, ONE_DASH },
252b5132 339 { {"Bstatic", no_argument, NULL, OPTION_NON_SHARED},
6feb9908 340 '\0', NULL, N_("Do not link against shared libraries"), ONE_DASH },
252b5132 341 { {"dn", no_argument, NULL, OPTION_NON_SHARED},
6feb9908 342 '\0', NULL, NULL, ONE_DASH },
252b5132 343 { {"non_shared", no_argument, NULL, OPTION_NON_SHARED},
6feb9908 344 '\0', NULL, NULL, ONE_DASH },
252b5132 345 { {"static", no_argument, NULL, OPTION_NON_SHARED},
6feb9908 346 '\0', NULL, NULL, ONE_DASH },
252b5132 347 { {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC},
6feb9908 348 '\0', NULL, N_("Bind global references locally"), ONE_DASH },
252b5132 349 { {"check-sections", no_argument, NULL, OPTION_CHECK_SECTIONS},
6feb9908
AM		 350 '\0', NULL, N_("Check section addresses for overlaps (default)"),
351 TWO_DASHES },
252b5132 352 { {"no-check-sections", no_argument, NULL, OPTION_NO_CHECK_SECTIONS},
6feb9908
AM		 353 '\0', NULL, N_("Do not check section addresses for overlaps"),
354 TWO_DASHES },
252b5132 355 { {"cref", no_argument, NULL, OPTION_CREF},
6feb9908 356 '\0', NULL, N_("Output cross reference table"), TWO_DASHES },
252b5132 357 { {"defsym", required_argument, NULL, OPTION_DEFSYM},
6feb9908 358 '\0', N_("SYMBOL=EXPRESSION"), N_("Define a symbol"), TWO_DASHES },
28c309a2 359 { {"demangle", optional_argument, NULL, OPTION_DEMANGLE},
6feb9908
AM		 360 '\0', N_("[=STYLE]"), N_("Demangle symbol names [using STYLE]"),
361 TWO_DASHES },
252b5132 362 { {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
6feb9908 363 '\0', NULL, N_("Generate embedded relocs"), TWO_DASHES},
8fdd7217
NC		 364 { {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL},
365 '\0', NULL, N_("Treat warnings as errors"),
366 TWO_DASHES },
3dbf70a2 367 { {"fini", required_argument, NULL, OPTION_FINI},
6feb9908 368 '\0', N_("SYMBOL"), N_("Call SYMBOL at unload-time"), ONE_DASH },
252b5132 369 { {"force-exe-suffix", no_argument, NULL, OPTION_FORCE_EXE_SUFFIX},
6feb9908 370 '\0', NULL, N_("Force generation of file with .exe suffix"), TWO_DASHES},
252b5132 371 { {"gc-sections", no_argument, NULL, OPTION_GC_SECTIONS},
6feb9908
AM		 372 '\0', NULL, N_("Remove unused sections (on some targets)"),
373 TWO_DASHES },
252b5132 374 { {"no-gc-sections", no_argument, NULL, OPTION_NO_GC_SECTIONS},
6feb9908
AM		 375 '\0', NULL, N_("Don't remove unused sections (default)"),
376 TWO_DASHES },
c17d87de
NC		 377 { {"print-gc-sections", no_argument, NULL, OPTION_PRINT_GC_SECTIONS},
378 '\0', NULL, N_("List removed unused sections on stderr"),
379 TWO_DASHES },
380 { {"no-print-gc-sections", no_argument, NULL, OPTION_NO_PRINT_GC_SECTIONS},
381 '\0', NULL, N_("Do not list removed unused sections"),
382 TWO_DASHES },
2d643429 383 { {"hash-size=<NUMBER>", required_argument, NULL, OPTION_HASH_SIZE},
6feb9908
AM		 384 '\0', NULL, N_("Set default hash table size close to <NUMBER>"),
385 TWO_DASHES },
252b5132 386 { {"help", no_argument, NULL, OPTION_HELP},
6feb9908 387 '\0', NULL, N_("Print option help"), TWO_DASHES },
3dbf70a2 388 { {"init", required_argument, NULL, OPTION_INIT},
6feb9908 389 '\0', N_("SYMBOL"), N_("Call SYMBOL at load-time"), ONE_DASH },
252b5132 390 { {"Map", required_argument, NULL, OPTION_MAP},
6feb9908 391 '\0', N_("FILE"), N_("Write a map file"), ONE_DASH },
4818e05f 392 { {"no-define-common", no_argument, NULL, OPTION_NO_DEFINE_COMMON},
6feb9908 393 '\0', NULL, N_("Do not define Common storage"), TWO_DASHES },
252b5132 394 { {"no-demangle", no_argument, NULL, OPTION_NO_DEMANGLE },
6feb9908 395 '\0', NULL, N_("Do not demangle symbol names"), TWO_DASHES },
252b5132 396 { {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
6feb9908 397 '\0', NULL, N_("Use less memory and more disk I/O"), TWO_DASHES },
252b5132 398 { {"no-undefined", no_argument, NULL, OPTION_NO_UNDEFINED},
6feb9908
AM		 399 '\0', NULL, N_("Do not allow unresolved references in object files"),
400 TWO_DASHES },
b79e8c78 401 { {"allow-shlib-undefined", no_argument, NULL, OPTION_ALLOW_SHLIB_UNDEFINED},
6feb9908
AM		 402 '\0', NULL, N_("Allow unresolved references in shared libaries"),
403 TWO_DASHES },
404 { {"no-allow-shlib-undefined", no_argument, NULL,
405 OPTION_NO_ALLOW_SHLIB_UNDEFINED},
406 '\0', NULL, N_("Do not allow unresolved references in shared libs"),
407 TWO_DASHES },
408 { {"allow-multiple-definition", no_argument, NULL,
409 OPTION_ALLOW_MULTIPLE_DEFINITION},
410 '\0', NULL, N_("Allow multiple definitions"), TWO_DASHES },
31941635 411 { {"no-undefined-version", no_argument, NULL, OPTION_NO_UNDEFINED_VERSION},
6feb9908 412 '\0', NULL, N_("Disallow undefined version"), TWO_DASHES },
3e3b46e5
PB		 413 { {"default-symver", no_argument, NULL, OPTION_DEFAULT_SYMVER},
414 '\0', NULL, N_("Create default symbol version"), TWO_DASHES },
fc0e6df6
PB		 415 { {"default-imported-symver", no_argument, NULL,
416 OPTION_DEFAULT_IMPORTED_SYMVER},
417 '\0', NULL, N_("Create default symbol version for imported symbols"),
418 TWO_DASHES },
252b5132 419 { {"no-warn-mismatch", no_argument, NULL, OPTION_NO_WARN_MISMATCH},
6feb9908 420 '\0', NULL, N_("Don't warn about mismatched input files"), TWO_DASHES},
252b5132 421 { {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
6feb9908 422 '\0', NULL, N_("Turn off --whole-archive"), TWO_DASHES },
252b5132 423 { {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
6feb9908
AM		 424 '\0', NULL, N_("Create an output file even if errors occur"),
425 TWO_DASHES },
252b5132 426 { {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
6feb9908 427 '\0', NULL, NULL, NO_HELP },
361b220e 428 { {"nostdlib", no_argument, NULL, OPTION_NOSTDLIB},
6feb9908
AM		 429 '\0', NULL, N_("Only use library directories specified on\n"
430 "\t\t\t\tthe command line"), ONE_DASH },
252b5132 431 { {"oformat", required_argument, NULL, OPTION_OFORMAT},
6feb9908
AM		 432 '\0', N_("TARGET"), N_("Specify target of output file"),
433 EXACTLY_TWO_DASHES },
252b5132 434 { {"qmagic", no_argument, NULL, OPTION_IGNORE},
6feb9908
AM		 435 '\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH },
436 { {"reduce-memory-overheads", no_argument, NULL,
437 OPTION_REDUCE_MEMORY_OVERHEADS},
438 '\0', NULL, N_("Reduce memory overheads, possibly taking much longer"),
439 TWO_DASHES },
252b5132 440 { {"relax", no_argument, NULL, OPTION_RELAX},
6feb9908 441 '\0', NULL, N_("Relax branches on certain targets"), TWO_DASHES },
252b5132 442 { {"retain-symbols-file", required_argument, NULL,
6feb9908
AM		 443 OPTION_RETAIN_SYMBOLS_FILE},
444 '\0', N_("FILE"), N_("Keep only symbols listed in FILE"), TWO_DASHES },
252b5132 445 { {"rpath", required_argument, NULL, OPTION_RPATH},
6feb9908 446 '\0', N_("PATH"), N_("Set runtime shared library search path"), ONE_DASH },
252b5132 447 { {"rpath-link", required_argument, NULL, OPTION_RPATH_LINK},
6feb9908
AM		 448 '\0', N_("PATH"), N_("Set link time shared library search path"),
449 ONE_DASH },
252b5132 450 { {"shared", no_argument, NULL, OPTION_SHARED},
6feb9908 451 '\0', NULL, N_("Create a shared library"), ONE_DASH },
252b5132 452 { {"Bshareable", no_argument, NULL, OPTION_SHARED }, /* FreeBSD. */
6feb9908 453 '\0', NULL, NULL, ONE_DASH },
36af4a4e 454 { {"pie", no_argument, NULL, OPTION_PIE},
6feb9908 455 '\0', NULL, N_("Create a position independent executable"), ONE_DASH },
36af4a4e 456 { {"pic-executable", no_argument, NULL, OPTION_PIE},
6feb9908 457 '\0', NULL, NULL, TWO_DASHES },
252b5132 458 { {"sort-common", no_argument, NULL, OPTION_SORT_COMMON},
6feb9908 459 '\0', NULL, N_("Sort common symbols by size"), TWO_DASHES },
252b5132 460 { {"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
6feb9908 461 '\0', NULL, NULL, NO_HELP },
bcaa7b3e
L		 462 { {"sort-section", required_argument, NULL, OPTION_SORT_SECTION},
463 '\0', N_("name|alignment"),
464 N_("Sort sections by name or maximum alignment"), TWO_DASHES },
db6751f2 465 { {"spare-dynamic-tags", required_argument, NULL, OPTION_SPARE_DYNAMIC_TAGS},
6feb9908
AM		 466 '\0', N_("COUNT"), N_("How many tags to reserve in .dynamic section"),
467 TWO_DASHES },
a854a4a7 468 { {"split-by-file", optional_argument, NULL, OPTION_SPLIT_BY_FILE},
6feb9908
AM		 469 '\0', N_("[=SIZE]"), N_("Split output sections every SIZE octets"),
470 TWO_DASHES },
a854a4a7 471 { {"split-by-reloc", optional_argument, NULL, OPTION_SPLIT_BY_RELOC},
6feb9908
AM		 472 '\0', N_("[=COUNT]"), N_("Split output sections every COUNT relocs"),
473 TWO_DASHES },
252b5132 474 { {"stats", no_argument, NULL, OPTION_STATS},
6feb9908 475 '\0', NULL, N_("Print memory usage statistics"), TWO_DASHES },
ea20a7da 476 { {"target-help", no_argument, NULL, OPTION_TARGET_HELP},
6feb9908 477 '\0', NULL, N_("Display target specific options"), TWO_DASHES },
252b5132 478 { {"task-link", required_argument, NULL, OPTION_TASK_LINK},
6feb9908 479 '\0', N_("SYMBOL"), N_("Do task level linking"), TWO_DASHES },
252b5132 480 { {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
6feb9908 481 '\0', NULL, N_("Use same format as native linker"), TWO_DASHES },
176355da 482 { {"section-start", required_argument, NULL, OPTION_SECTION_START},
6feb9908
AM		 483 '\0', N_("SECTION=ADDRESS"), N_("Set address of named section"),
484 TWO_DASHES },
252b5132 485 { {"Tbss", required_argument, NULL, OPTION_TBSS},
6feb9908 486 '\0', N_("ADDRESS"), N_("Set address of .bss section"), ONE_DASH },
252b5132 487 { {"Tdata", required_argument, NULL, OPTION_TDATA},
6feb9908 488 '\0', N_("ADDRESS"), N_("Set address of .data section"), ONE_DASH },
252b5132 489 { {"Ttext", required_argument, NULL, OPTION_TTEXT},
6feb9908
AM		 490 '\0', N_("ADDRESS"), N_("Set address of .text section"), ONE_DASH },
491 { {"unresolved-symbols=<method>", required_argument, NULL,
492 OPTION_UNRESOLVED_SYMBOLS},
493 '\0', NULL, N_("How to handle unresolved symbols. <method> is:\n"
494 "\t\t\t\tignore-all, report-all, ignore-in-object-files,\n"
495 "\t\t\t\tignore-in-shared-libs"), TWO_DASHES },
252b5132 496 { {"verbose", no_argument, NULL, OPTION_VERBOSE},
6feb9908 497 '\0', NULL, N_("Output lots of information during link"), TWO_DASHES },
252b5132 498 { {"dll-verbose", no_argument, NULL, OPTION_VERBOSE}, /* Linux. */
6feb9908 499 '\0', NULL, NULL, NO_HELP },
252b5132 500 { {"version-script", required_argument, NULL, OPTION_VERSION_SCRIPT },
6feb9908 501 '\0', N_("FILE"), N_("Read version information script"), TWO_DASHES },
252b5132
RH		 502 { {"version-exports-section", required_argument, NULL,
503 OPTION_VERSION_EXPORTS_SECTION },
6feb9908
AM		 504 '\0', N_("SYMBOL"), N_("Take export symbols list from .exports, using\n"
505 "\t\t\t\tSYMBOL as the version."), TWO_DASHES },
55255dae
L		 506 { {"dynamic-list-cpp-typeinfo", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_TYPEINFO},
507 '\0', NULL, N_("Use C++ typeinfo dynamic list"), TWO_DASHES },
508 { {"dynamic-list", required_argument, NULL, OPTION_DYNAMIC_LIST},
509 '\0', N_("FILE"), N_("Read dynamic list"), TWO_DASHES },
252b5132 510 { {"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
6feb9908 511 '\0', NULL, N_("Warn about duplicate common symbols"), TWO_DASHES },
252b5132 512 { {"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS},
6feb9908
AM		 513 '\0', NULL, N_("Warn if global constructors/destructors are seen"),
514 TWO_DASHES },
252b5132 515 { {"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP},
6feb9908 516 '\0', NULL, N_("Warn if the multiple GP values are used"), TWO_DASHES },
252b5132 517 { {"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
6feb9908 518 '\0', NULL, N_("Warn only once per undefined symbol"), TWO_DASHES },
252b5132 519 { {"warn-section-align", no_argument, NULL, OPTION_WARN_SECTION_ALIGN},
6feb9908
AM		 520 '\0', NULL, N_("Warn if start of section changes due to alignment"),
521 TWO_DASHES },
8fdd7217
NC		 522 { {"warn-shared-textrel", no_argument, NULL, OPTION_WARN_SHARED_TEXTREL},
523 '\0', NULL, N_("Warn if shared object has DT_TEXTREL"),
524 TWO_DASHES },
6feb9908
AM		 525 { {"warn-unresolved-symbols", no_argument, NULL,
526 OPTION_WARN_UNRESOLVED_SYMBOLS},
560e09e9 527 '\0', NULL, N_("Report unresolved symbols as warnings"), TWO_DASHES },
6feb9908
AM		 528 { {"error-unresolved-symbols", no_argument, NULL,
529 OPTION_ERROR_UNRESOLVED_SYMBOLS},
560e09e9 530 '\0', NULL, N_("Report unresolved symbols as errors"), TWO_DASHES },
252b5132 531 { {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
6feb9908
AM		 532 '\0', NULL, N_("Include all objects from following archives"),
533 TWO_DASHES },
252b5132 534 { {"wrap", required_argument, NULL, OPTION_WRAP},
6feb9908 535 '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES },
252b5132
RH		 536};
537
e4897a32 538#define OPTION_COUNT ARRAY_SIZE (ld_options)
252b5132 539
252b5132 540void
1579bae1 541parse_args (unsigned argc, char **argv)
252b5132 542{
e4897a32
NC		 543 unsigned i;
544 int is, il, irl;
252b5132
RH		 545 int ingroup = 0;
546 char *default_dirlist = NULL;
3bcf5557
AM		 547 char *shortopts;
548 struct option *longopts;
549 struct option *really_longopts;
252b5132 550 int last_optind;
560e09e9 551 enum report_method how_to_report_unresolved_symbols = RM_GENERATE_ERROR;
252b5132 552
1579bae1
AM		 553 shortopts = xmalloc (OPTION_COUNT * 3 + 2);
554 longopts = xmalloc (sizeof (*longopts) * (OPTION_COUNT + 1));
555 really_longopts = xmalloc (sizeof (*really_longopts) * (OPTION_COUNT + 1));
3bcf5557 556
252b5132
RH		 557 /* Starting the short option string with '-' is for programs that
558 expect options and other ARGV-elements in any order and that care about
559 the ordering of the two. We describe each non-option ARGV-element
560 as if it were the argument of an option with character code 1. */
561 shortopts[0] = '-';
562 is = 1;
563 il = 0;
e4897a32 564 irl = 0;
252b5132
RH		 565 for (i = 0; i < OPTION_COUNT; i++)
566 {
567 if (ld_options[i].shortopt != '\0')
568 {
569 shortopts[is] = ld_options[i].shortopt;
570 ++is;
571 if (ld_options[i].opt.has_arg == required_argument
572 || ld_options[i].opt.has_arg == optional_argument)
573 {
574 shortopts[is] = ':';
575 ++is;
576 if (ld_options[i].opt.has_arg == optional_argument)
577 {
578 shortopts[is] = ':';
579 ++is;
580 }
581 }
582 }
583 if (ld_options[i].opt.name != NULL)
584 {
e4897a32
NC		 585 if (ld_options[i].control == EXACTLY_TWO_DASHES)
586 {
587 really_longopts[irl] = ld_options[i].opt;
588 ++irl;
589 }
590 else
591 {
592 longopts[il] = ld_options[i].opt;
593 ++il;
594 }
252b5132
RH		 595 }
596 }
597 shortopts[is] = '\0';
598 longopts[il].name = NULL;
e4897a32 599 really_longopts[irl].name = NULL;
252b5132 600
3bcf5557
AM		 601 ldemul_add_options (is, &shortopts, il, &longopts, irl, &really_longopts);
602
252b5132
RH		 603 /* The -G option is ambiguous on different platforms. Sometimes it
604 specifies the largest data size to put into the small data
605 section. Sometimes it is equivalent to --shared. Unfortunately,
606 the first form takes an argument, while the second does not.
607
608 We need to permit the --shared form because on some platforms,
609 such as Solaris, gcc -shared will pass -G to the linker.
610
611 To permit either usage, we look through the argument list. If we
612 find -G not followed by a number, we change it into --shared.
613 This will work for most normal cases. */
614 for (i = 1; i < argc; i++)
615 if (strcmp (argv[i], "-G") == 0
616 && (i + 1 >= argc
3882b010 617 || ! ISDIGIT (argv[i + 1][0])))
252b5132
RH		 618 argv[i] = (char *) "--shared";
619
620 /* Because we permit long options to start with a single dash, and
621 we have a --library option, and the -l option is conventionally
622 used with an immediately following argument, we can have bad
623 results if somebody tries to use -l with a library whose name
624 happens to start with "ibrary", as in -li. We avoid problems by
625 simply turning -l into --library. This means that users will
626 have to use two dashes in order to use --library, which is OK
627 since that's how it is documented.
628
629 FIXME: It's possible that this problem can arise for other short
630 options as well, although the user does always have the recourse
631 of adding a space between the option and the argument. */
632 for (i = 1; i < argc; i++)
633 {
634 if (argv[i][0] == '-'
635 && argv[i][1] == 'l'
636 && argv[i][2] != '\0')
637 {
638 char *n;
639
1579bae1 640 n = xmalloc (strlen (argv[i]) + 20);
252b5132
RH		 641 sprintf (n, "--library=%s", argv[i] + 2);
642 argv[i] = n;
643 }
644 }
645
646 last_optind = -1;
647 while (1)
648 {
89894c62 649 int longind;
252b5132
RH		 650 int optc;
651
652 /* Using last_optind lets us avoid calling ldemul_parse_args
653 multiple times on a single option, which would lead to
654 confusion in the internal static variables maintained by
655 getopt. This could otherwise happen for an argument like
656 -nx, in which the -n is parsed as a single option, and we
657 loop around to pick up the -x. */
658 if (optind != last_optind)
89894c62
AM		 659 if (ldemul_parse_args (argc, argv))
660 continue;
252b5132
RH		 661
662 /* getopt_long_only is like getopt_long, but '-' as well as '--'
663 can indicate a long option. */
0fc3347a 664 opterr = 0;
89894c62 665 last_optind = optind;
252b5132 666 optc = getopt_long_only (argc, argv, shortopts, longopts, &longind);
0fc3347a
NC		 667 if (optc == '?')
668 {
89894c62
AM		 669 optind = last_optind;
670 optc = getopt_long (argc, argv, "-", really_longopts, &longind);
0fc3347a 671 }
b7ed8fad 672
3bcf5557
AM		 673 if (ldemul_handle_option (optc))
674 continue;
675
252b5132
RH		 676 if (optc == -1)
677 break;
0fc3347a 678
252b5132
RH		 679 switch (optc)
680 {
0fc3347a 681 case '?':
89894c62 682 einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]);
058a363d
BE		 683 /* Fall through. */
684
252b5132 685 default:
210a7bd1
NC		 686 einfo (_("%P%F: use the --help option for usage information\n"));
687
252b5132 688 case 1: /* File name. */
1579bae1 689 lang_add_input_file (optarg, lang_input_file_is_file_enum, NULL);
252b5132
RH		 690 break;
691
692 case OPTION_IGNORE:
693 break;
694 case 'a':
695 /* For HP/UX compatibility. Actually -a shared should mean
1579bae1
AM		 696 ``use only shared libraries'' but, then, we don't
697 currently support shared libraries on HP/UX anyhow. */
252b5132 698 if (strcmp (optarg, "archive") == 0)
b34976b6 699 config.dynamic_link = FALSE;
252b5132
RH		 700 else if (strcmp (optarg, "shared") == 0
701 || strcmp (optarg, "default") == 0)
b34976b6 702 config.dynamic_link = TRUE;
252b5132
RH		 703 else
704 einfo (_("%P%F: unrecognized -a option `%s'\n"), optarg);
705 break;
706 case OPTION_ASSERT:
707 /* FIXME: We just ignore these, but we should handle them. */
708 if (strcmp (optarg, "definitions") == 0)
709 ;
710 else if (strcmp (optarg, "nodefinitions") == 0)
711 ;
712 else if (strcmp (optarg, "nosymbolic") == 0)
713 ;
714 else if (strcmp (optarg, "pure-text") == 0)
715 ;
716 else
717 einfo (_("%P%F: unrecognized -assert option `%s'\n"), optarg);
718 break;
719 case 'A':
720 ldfile_add_arch (optarg);
721 break;
722 case 'b':
723 lang_add_target (optarg);
724 break;
725 case 'c':
726 ldfile_open_command_file (optarg);
727 parser_input = input_mri_script;
728 yyparse ();
729 break;
730 case OPTION_CALL_SHARED:
b34976b6 731 config.dynamic_link = TRUE;
252b5132
RH		 732 break;
733 case OPTION_NON_SHARED:
b34976b6 734 config.dynamic_link = FALSE;
252b5132
RH		 735 break;
736 case OPTION_CREF:
b34976b6
AM		 737 command_line.cref = TRUE;
738 link_info.notice_all = TRUE;
252b5132
RH		 739 break;
740 case 'd':
b34976b6 741 command_line.force_common_definition = TRUE;
252b5132
RH		 742 break;
743 case OPTION_DEFSYM:
744 lex_string = optarg;
745 lex_redirect (optarg);
746 parser_input = input_defsym;
747 parsing_defsym = 1;
748 yyparse ();
749 parsing_defsym = 0;
750 lex_string = NULL;
751 break;
752 case OPTION_DEMANGLE:
b34976b6 753 demangling = TRUE;
28c309a2
NC		 754 if (optarg != NULL)
755 {
756 enum demangling_styles style;
5cc18311 757
28c309a2 758 style = cplus_demangle_name_to_style (optarg);
5cc18311 759 if (style == unknown_demangling)
28c309a2
NC		 760 einfo (_("%F%P: unknown demangling style `%s'"),
761 optarg);
5cc18311 762
28c309a2 763 cplus_demangle_set_style (style);
e47d05ad 764 }
252b5132 765 break;
506eee22 766 case 'I': /* Used on Solaris. */
252b5132
RH		 767 case OPTION_DYNAMIC_LINKER:
768 command_line.interpreter = optarg;
769 break;
e2243057
RS		 770 case OPTION_SYSROOT:
771 /* Already handled in ldmain.c. */
772 break;
252b5132
RH		 773 case OPTION_EB:
774 command_line.endian = ENDIAN_BIG;
775 break;
776 case OPTION_EL:
777 command_line.endian = ENDIAN_LITTLE;
778 break;
779 case OPTION_EMBEDDED_RELOCS:
b34976b6 780 command_line.embedded_relocs = TRUE;
252b5132
RH		 781 break;
782 case OPTION_EXPORT_DYNAMIC:
783 case 'E': /* HP/UX compatibility. */
b34976b6 784 link_info.export_dynamic = TRUE;
252b5132
RH		 785 break;
786 case 'e':
b34976b6 787 lang_add_entry (optarg, TRUE);
252b5132
RH		 788 break;
789 case 'f':
790 if (command_line.auxiliary_filters == NULL)
791 {
1579bae1 792 command_line.auxiliary_filters = xmalloc (2 * sizeof (char *));
252b5132
RH		 793 command_line.auxiliary_filters[0] = optarg;
794 command_line.auxiliary_filters[1] = NULL;
795 }
796 else
797 {
798 int c;
799 char **p;
800
801 c = 0;
802 for (p = command_line.auxiliary_filters; *p != NULL; p++)
803 ++c;
1579bae1
AM		 804 command_line.auxiliary_filters
805 = xrealloc (command_line.auxiliary_filters,
806 (c + 2) * sizeof (char *));
252b5132
RH		 807 command_line.auxiliary_filters[c] = optarg;
808 command_line.auxiliary_filters[c + 1] = NULL;
809 }
810 break;
811 case 'F':
812 command_line.filter_shlib = optarg;
813 break;
814 case OPTION_FORCE_EXE_SUFFIX:
b34976b6 815 command_line.force_exe_suffix = TRUE;
252b5132
RH		 816 break;
817 case 'G':
818 {
819 char *end;
820 g_switch_value = strtoul (optarg, &end, 0);
821 if (*end)
822 einfo (_("%P%F: invalid number `%s'\n"), optarg);
823 }
824 break;
825 case 'g':
826 /* Ignore. */
827 break;
828 case OPTION_GC_SECTIONS:
57316bff 829 link_info.gc_sections = TRUE;
252b5132 830 break;
c17d87de
NC		 831 case OPTION_PRINT_GC_SECTIONS:
832 link_info.print_gc_sections = TRUE;
833 break;
252b5132
RH		 834 case OPTION_HELP:
835 help ();
836 xexit (0);
837 break;
838 case 'L':
b34976b6 839 ldfile_add_library_path (optarg, TRUE);
252b5132
RH		 840 break;
841 case 'l':
1579bae1 842 lang_add_input_file (optarg, lang_input_file_is_l_enum, NULL);
252b5132
RH		 843 break;
844 case 'M':
845 config.map_filename = "-";
846 break;
847 case 'm':
848 /* Ignore. Was handled in a pre-parse. */
849 break;
850 case OPTION_MAP:
851 config.map_filename = optarg;
852 break;
853 case 'N':
b34976b6
AM		 854 config.text_read_only = FALSE;
855 config.magic_demand_paged = FALSE;
856 config.dynamic_link = FALSE;
252b5132 857 break;
63fd3b82 858 case OPTION_NO_OMAGIC:
b34976b6
AM		 859 config.text_read_only = TRUE;
860 config.magic_demand_paged = TRUE;
861 /* NB/ Does not set dynamic_link to TRUE.
63fd3b82
NC		 862 Use --call-shared or -Bdynamic for this. */
863 break;
252b5132 864 case 'n':
b34976b6
AM		 865 config.magic_demand_paged = FALSE;
866 config.dynamic_link = FALSE;
252b5132 867 break;
4818e05f 868 case OPTION_NO_DEFINE_COMMON:
b34976b6 869 command_line.inhibit_common_definition = TRUE;
4818e05f 870 break;
252b5132 871 case OPTION_NO_DEMANGLE:
b34976b6 872 demangling = FALSE;
252b5132
RH		 873 break;
874 case OPTION_NO_GC_SECTIONS:
57316bff 875 link_info.gc_sections = FALSE;
252b5132 876 break;
c17d87de
NC		 877 case OPTION_NO_PRINT_GC_SECTIONS:
878 link_info.print_gc_sections = FALSE;
879 break;
252b5132 880 case OPTION_NO_KEEP_MEMORY:
b34976b6 881 link_info.keep_memory = FALSE;
252b5132
RH		 882 break;
883 case OPTION_NO_UNDEFINED:
6feb9908
AM		 884 link_info.unresolved_syms_in_objects
885 = how_to_report_unresolved_symbols;
252b5132 886 break;
b79e8c78 887 case OPTION_ALLOW_SHLIB_UNDEFINED:
560e09e9 888 link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
b79e8c78 889 break;
ae9a127f 890 case OPTION_NO_ALLOW_SHLIB_UNDEFINED:
6feb9908
AM		 891 link_info.unresolved_syms_in_shared_libs
892 = how_to_report_unresolved_symbols;
ae9a127f 893 break;
560e09e9
NC		 894 case OPTION_UNRESOLVED_SYMBOLS:
895 if (strcmp (optarg, "ignore-all") == 0)
896 {
897 link_info.unresolved_syms_in_objects = RM_IGNORE;
898 link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
899 }
900 else if (strcmp (optarg, "report-all") == 0)
901 {
6feb9908
AM		 902 link_info.unresolved_syms_in_objects
903 = how_to_report_unresolved_symbols;
904 link_info.unresolved_syms_in_shared_libs
905 = how_to_report_unresolved_symbols;
560e09e9
NC		 906 }
907 else if (strcmp (optarg, "ignore-in-object-files") == 0)
908 {
909 link_info.unresolved_syms_in_objects = RM_IGNORE;
6feb9908
AM		 910 link_info.unresolved_syms_in_shared_libs
911 = how_to_report_unresolved_symbols;
560e09e9
NC		 912 }
913 else if (strcmp (optarg, "ignore-in-shared-libs") == 0)
914 {
6feb9908
AM		 915 link_info.unresolved_syms_in_objects
916 = how_to_report_unresolved_symbols;
560e09e9
NC		 917 link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
918 }
919 else
920 einfo (_("%P%F: bad --unresolved-symbols option: %s\n"), optarg);
921 break;
922 case OPTION_WARN_UNRESOLVED_SYMBOLS:
923 how_to_report_unresolved_symbols = RM_GENERATE_WARNING;
924 if (link_info.unresolved_syms_in_objects == RM_GENERATE_ERROR)
925 link_info.unresolved_syms_in_objects = RM_GENERATE_WARNING;
926 if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_ERROR)
927 link_info.unresolved_syms_in_shared_libs = RM_GENERATE_WARNING;
928 break;
6feb9908 929
560e09e9
NC		 930 case OPTION_ERROR_UNRESOLVED_SYMBOLS:
931 how_to_report_unresolved_symbols = RM_GENERATE_ERROR;
932 if (link_info.unresolved_syms_in_objects == RM_GENERATE_WARNING)
933 link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
934 if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_WARNING)
935 link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR;
6feb9908 936 break;
aa713662 937 case OPTION_ALLOW_MULTIPLE_DEFINITION:
b34976b6 938 link_info.allow_multiple_definition = TRUE;
aa713662 939 break;
31941635 940 case OPTION_NO_UNDEFINED_VERSION:
b34976b6 941 link_info.allow_undefined_version = FALSE;
31941635 942 break;
3e3b46e5
PB		 943 case OPTION_DEFAULT_SYMVER:
944 link_info.create_default_symver = TRUE;
945 break;
fc0e6df6
PB		 946 case OPTION_DEFAULT_IMPORTED_SYMVER:
947 link_info.default_imported_symver = TRUE;
948 break;
252b5132 949 case OPTION_NO_WARN_MISMATCH:
b34976b6 950 command_line.warn_mismatch = FALSE;
252b5132
RH		 951 break;
952 case OPTION_NOINHIBIT_EXEC:
b34976b6 953 force_make_executable = TRUE;
252b5132 954 break;
361b220e 955 case OPTION_NOSTDLIB:
b34976b6 956 config.only_cmd_line_lib_dirs = TRUE;
361b220e 957 break;
252b5132 958 case OPTION_NO_WHOLE_ARCHIVE:
b34976b6 959 whole_archive = FALSE;
252b5132
RH		 960 break;
961 case 'O':
962 /* FIXME "-O<non-digits> <value>" used to set the address of
963 section <non-digits>. Was this for compatibility with
964 something, or can we create a new option to do that
965 (with a syntax similar to -defsym)?
966 getopt can't handle two args to an option without kludges. */
967
968 /* Enable optimizations of output files. */
b34976b6 969 link_info.optimize = strtoul (optarg, NULL, 0) ? TRUE : FALSE;
252b5132
RH		 970 break;
971 case 'o':
5cc18311 972 lang_add_output (optarg, 0);
252b5132
RH		 973 break;
974 case OPTION_OFORMAT:
1579bae1 975 lang_add_output_format (optarg, NULL, NULL, 0);
252b5132 976 break;
a712da20 977 case 'q':
b34976b6 978 link_info.emitrelocations = TRUE;
a712da20 979 break;
8c5ff972 980 case 'i':
252b5132 981 case 'r':
210a7bd1
NC		 982 if (optind == last_optind)
983 /* This can happen if the user put "-rpath,a" on the command
984 line. (Or something similar. The comma is important).
985 Getopt becomes confused and thinks that this is a -r option
986 but it cannot parse the text after the -r so it refuses to
987 increment the optind counter. Detect this case and issue
988 an error message here. We cannot just make this a warning,
989 increment optind, and continue because getopt is too confused
990 and will seg-fault the next time around. */
991 einfo(_("%P%F: bad -rpath option\n"));
b7a26f91 992
1049f94e 993 link_info.relocatable = TRUE;
b34976b6
AM		 994 config.build_constructors = FALSE;
995 config.magic_demand_paged = FALSE;
996 config.text_read_only = FALSE;
997 config.dynamic_link = FALSE;
252b5132
RH		 998 break;
999 case 'R':
1000 /* The GNU linker traditionally uses -R to mean to include
1001 only the symbols from a file. The Solaris linker uses -R
1002 to set the path used by the runtime linker to find
1003 libraries. This is the GNU linker -rpath argument. We
1004 try to support both simultaneously by checking the file
1005 named. If it is a directory, rather than a regular file,
1006 we assume -rpath was meant. */
1007 {
1008 struct stat s;
1009
1010 if (stat (optarg, &s) >= 0
1011 && ! S_ISDIR (s.st_mode))
1012 {
1013 lang_add_input_file (optarg,
1014 lang_input_file_is_symbols_only_enum,
1579bae1 1015 NULL);
252b5132
RH		 1016 break;
1017 }
1018 }
1019 /* Fall through. */
1020 case OPTION_RPATH:
1021 if (command_line.rpath == NULL)
d1b2b2dc 1022 command_line.rpath = xstrdup (optarg);
252b5132
RH		 1023 else
1024 {
1025 size_t rpath_len = strlen (command_line.rpath);
1026 size_t optarg_len = strlen (optarg);
1027 char *buf;
1028 char *cp = command_line.rpath;
1029
1030 /* First see whether OPTARG is already in the path. */
1031 do
1032 {
1033 size_t idx = 0;
210a7bd1 1034
252b5132
RH		 1035 while (optarg[idx] != '\0' && optarg[idx] == cp[idx])
1036 ++idx;
1037 if (optarg[idx] == '\0'
1038 && (cp[idx] == '\0' || cp[idx] == ':'))
1039 /* We found it. */
1040 break;
1041
1042 /* Not yet found. */
1043 cp = strchr (cp, ':');
1044 if (cp != NULL)
1045 ++cp;
1046 }
1047 while (cp != NULL);
1048
1049 if (cp == NULL)
1050 {
1051 buf = xmalloc (rpath_len + optarg_len + 2);
1052 sprintf (buf, "%s:%s", command_line.rpath, optarg);
1053 free (command_line.rpath);
1054 command_line.rpath = buf;
1055 }
1056 }
1057 break;
1058 case OPTION_RPATH_LINK:
1059 if (command_line.rpath_link == NULL)
d1b2b2dc 1060 command_line.rpath_link = xstrdup (optarg);
252b5132
RH		 1061 else
1062 {
1063 char *buf;
1064
1065 buf = xmalloc (strlen (command_line.rpath_link)
1066 + strlen (optarg)
1067 + 2);
1068 sprintf (buf, "%s:%s", command_line.rpath_link, optarg);
1069 free (command_line.rpath_link);
1070 command_line.rpath_link = buf;
1071 }
1072 break;
1073 case OPTION_RELAX:
b34976b6 1074 command_line.relax = TRUE;
252b5132
RH		 1075 break;
1076 case OPTION_RETAIN_SYMBOLS_FILE:
1077 add_keepsyms_file (optarg);
1078 break;
1079 case 'S':
1080 link_info.strip = strip_debugger;
1081 break;
1082 case 's':
1083 link_info.strip = strip_all;
1084 break;
d5cd3933
AM		 1085 case OPTION_STRIP_DISCARDED:
1086 link_info.strip_discarded = TRUE;
1087 break;
1088 case OPTION_NO_STRIP_DISCARDED:
1089 link_info.strip_discarded = FALSE;
1090 break;
252b5132
RH		 1091 case OPTION_SHARED:
1092 if (config.has_shared)
560e09e9
NC		 1093 {
1094 link_info.shared = TRUE;
1095 /* When creating a shared library, the default
1096 behaviour is to ignore any unresolved references. */
1097 if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET)
1098 link_info.unresolved_syms_in_objects = RM_IGNORE;
1099 if (link_info.unresolved_syms_in_shared_libs == RM_NOT_YET_SET)
1100 link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
1101 }
252b5132
RH		 1102 else
1103 einfo (_("%P%F: -shared not supported\n"));
1104 break;
36af4a4e
JJ		 1105 case OPTION_PIE:
1106 if (config.has_shared)
1107 {
1108 link_info.shared = TRUE;
1109 link_info.pie = TRUE;
1110 }
1111 else
1112 einfo (_("%P%F: -pie not supported\n"));
1113 break;
252b5132
RH		 1114 case 'h': /* Used on Solaris. */
1115 case OPTION_SONAME:
1116 command_line.soname = optarg;
1117 break;
1118 case OPTION_SORT_COMMON:
b34976b6 1119 config.sort_common = TRUE;
252b5132 1120 break;
bcaa7b3e
L		 1121 case OPTION_SORT_SECTION:
1122 if (strcmp (optarg, N_("name")) == 0)
1123 sort_section = by_name;
1124 else if (strcmp (optarg, N_("alignment")) == 0)
1125 sort_section = by_alignment;
1126 else
1127 einfo (_("%P%F: invalid section sorting option: %s\n"),
1128 optarg);
1129 break;
252b5132 1130 case OPTION_STATS:
b34976b6 1131 config.stats = TRUE;
252b5132
RH		 1132 break;
1133 case OPTION_SYMBOLIC:
b34976b6 1134 link_info.symbolic = TRUE;
252b5132
RH		 1135 break;
1136 case 't':
b34976b6 1137 trace_files = TRUE;
252b5132
RH		 1138 break;
1139 case 'T':
1140 ldfile_open_command_file (optarg);
1141 parser_input = input_script;
1142 yyparse ();
1143 break;
176355da
NC		 1144 case OPTION_SECTION_START:
1145 {
1146 char *optarg2;
227aeb07
AM		 1147 char *sec_name;
1148 int len;
176355da
NC		 1149
1150 /* Check for <something>=<somthing>... */
1151 optarg2 = strchr (optarg, '=');
1152 if (optarg2 == NULL)
6feb9908
AM		 1153 einfo (_("%P%F: invalid argument to option"
1154 " \"--section-start\"\n"));
176355da 1155
e47d05ad 1156 optarg2++;
5cc18311 1157
176355da
NC		 1158 /* So far so good. Are all the args present? */
1159 if ((*optarg == '\0') || (*optarg2 == '\0'))
6feb9908
AM		 1160 einfo (_("%P%F: missing argument(s) to option"
1161 " \"--section-start\"\n"));
176355da 1162
227aeb07
AM		 1163 /* We must copy the section name as set_section_start
1164 doesn't do it for us. */
1165 len = optarg2 - optarg;
1166 sec_name = xmalloc (len);
1167 memcpy (sec_name, optarg, len - 1);
1168 sec_name[len - 1] = 0;
176355da
NC		 1169
1170 /* Then set it... */
227aeb07 1171 set_section_start (sec_name, optarg2);
176355da
NC		 1172 }
1173 break;
ea20a7da
CC		 1174 case OPTION_TARGET_HELP:
1175 /* Mention any target specific options. */
b7a26f91
KH		 1176 ldemul_list_emulation_options (stdout);
1177 exit (0);
252b5132 1178 case OPTION_TBSS:
ba916c8a 1179 set_segment_start (".bss", optarg);
252b5132
RH		 1180 break;
1181 case OPTION_TDATA:
ba916c8a 1182 set_segment_start (".data", optarg);
252b5132
RH		 1183 break;
1184 case OPTION_TTEXT:
ba916c8a 1185 set_segment_start (".text", optarg);
252b5132
RH		 1186 break;
1187 case OPTION_TRADITIONAL_FORMAT:
b34976b6 1188 link_info.traditional_format = TRUE;
252b5132
RH		 1189 break;
1190 case OPTION_TASK_LINK:
b34976b6 1191 link_info.task_link = TRUE;
252b5132
RH		 1192 /* Fall through - do an implied -r option. */
1193 case OPTION_UR:
1049f94e 1194 link_info.relocatable = TRUE;
b34976b6
AM		 1195 config.build_constructors = TRUE;
1196 config.magic_demand_paged = FALSE;
1197 config.text_read_only = FALSE;
1198 config.dynamic_link = FALSE;
252b5132
RH		 1199 break;
1200 case 'u':
1201 ldlang_add_undef (optarg);
1202 break;
a854a4a7 1203 case OPTION_UNIQUE:
577a0623
AM		 1204 if (optarg != NULL)
1205 lang_add_unique (optarg);
1206 else
b34976b6 1207 config.unique_orphan_sections = TRUE;
a854a4a7 1208 break;
252b5132
RH		 1209 case OPTION_VERBOSE:
1210 ldversion (1);
b34976b6
AM		 1211 version_printed = TRUE;
1212 trace_file_tries = TRUE;
8aae64e6 1213 overflow_cutoff_limit = -2;
252b5132
RH		 1214 break;
1215 case 'v':
1216 ldversion (0);
b34976b6 1217 version_printed = TRUE;
252b5132
RH		 1218 break;
1219 case 'V':
1220 ldversion (1);
b34976b6 1221 version_printed = TRUE;
252b5132
RH		 1222 break;
1223 case OPTION_VERSION:
d32820f2 1224 ldversion (2);
252b5132
RH		 1225 xexit (0);
1226 break;
1227 case OPTION_VERSION_SCRIPT:
1228 /* This option indicates a small script that only specifies
1579bae1
AM		 1229 version information. Read it, but don't assume that
1230 we've seen a linker script. */
252b5132 1231 {
b7a26f91 1232 FILE *hold_script_handle;
252b5132 1233
b9a8de1e 1234 hold_script_handle = saved_script_handle;
252b5132 1235 ldfile_open_command_file (optarg);
b9a8de1e 1236 saved_script_handle = hold_script_handle;
252b5132
RH		 1237 parser_input = input_version_script;
1238 yyparse ();
1239 }
1240 break;
1241 case OPTION_VERSION_EXPORTS_SECTION:
1242 /* This option records a version symbol to be applied to the
1243 symbols listed for export to be found in the object files
1244 .exports sections. */
1245 command_line.version_exports_section = optarg;
1246 break;
55255dae
L		 1247 case OPTION_DYNAMIC_LIST_CPP_TYPEINFO:
1248 lang_append_dynamic_list_cpp_typeinfo ();
1249 break;
1250 case OPTION_DYNAMIC_LIST:
1251 /* This option indicates a small script that only specifies
1252 a dynamic list. Read it, but don't assume that we've
1253 seen a linker script. */
1254 {
1255 FILE *hold_script_handle;
1256
1257 hold_script_handle = saved_script_handle;
1258 ldfile_open_command_file (optarg);
1259 saved_script_handle = hold_script_handle;
1260 parser_input = input_dynamic_list;
1261 yyparse ();
1262 }
1263 break;
252b5132 1264 case OPTION_WARN_COMMON:
b34976b6 1265 config.warn_common = TRUE;
252b5132
RH		 1266 break;
1267 case OPTION_WARN_CONSTRUCTORS:
b34976b6 1268 config.warn_constructors = TRUE;
252b5132 1269 break;
7ce691ae 1270 case OPTION_WARN_FATAL:
b34976b6 1271 config.fatal_warnings = TRUE;
7ce691ae 1272 break;
252b5132 1273 case OPTION_WARN_MULTIPLE_GP:
b34976b6 1274 config.warn_multiple_gp = TRUE;
252b5132
RH		 1275 break;
1276 case OPTION_WARN_ONCE:
b34976b6 1277 config.warn_once = TRUE;
252b5132
RH		 1278 break;
1279 case OPTION_WARN_SECTION_ALIGN:
b34976b6 1280 config.warn_section_align = TRUE;
252b5132 1281 break;
8fdd7217
NC		 1282 case OPTION_WARN_SHARED_TEXTREL:
1283 link_info.warn_shared_textrel = TRUE;
1284 break;
252b5132 1285 case OPTION_WHOLE_ARCHIVE:
b34976b6 1286 whole_archive = TRUE;
252b5132 1287 break;
e56f61be
L		 1288 case OPTION_ADD_NEEDED:
1289 add_needed = TRUE;
1290 break;
1291 case OPTION_NO_ADD_NEEDED:
1292 add_needed = FALSE;
1293 break;
4a43e768
AM		 1294 case OPTION_AS_NEEDED:
1295 as_needed = TRUE;
1296 break;
1297 case OPTION_NO_AS_NEEDED:
1298 as_needed = FALSE;
1299 break;
252b5132
RH		 1300 case OPTION_WRAP:
1301 add_wrap (optarg);
1302 break;
f5fa8ca2
JJ		 1303 case OPTION_DISCARD_NONE:
1304 link_info.discard = discard_none;
1305 break;
252b5132
RH		 1306 case 'X':
1307 link_info.discard = discard_l;
1308 break;
1309 case 'x':
1310 link_info.discard = discard_all;
1311 break;
1312 case 'Y':
0112cd26 1313 if (CONST_STRNEQ (optarg, "P,"))
252b5132 1314 optarg += 2;
5ed6aba4
NC		 1315 if (default_dirlist != NULL)
1316 free (default_dirlist);
252b5132
RH		 1317 default_dirlist = xstrdup (optarg);
1318 break;
1319 case 'y':
1320 add_ysym (optarg);
1321 break;
db6751f2
JJ		 1322 case OPTION_SPARE_DYNAMIC_TAGS:
1323 link_info.spare_dynamic_tags = strtoul (optarg, NULL, 0);
1324 break;
252b5132 1325 case OPTION_SPLIT_BY_RELOC:
a854a4a7
AM		 1326 if (optarg != NULL)
1327 config.split_by_reloc = strtoul (optarg, NULL, 0);
1328 else
1329 config.split_by_reloc = 32768;
5cc18311 1330 break;
252b5132 1331 case OPTION_SPLIT_BY_FILE:
a854a4a7
AM		 1332 if (optarg != NULL)
1333 config.split_by_file = bfd_scan_vma (optarg, NULL, 0);
1334 else
1335 config.split_by_file = 1;
5cc18311 1336 break;
252b5132 1337 case OPTION_CHECK_SECTIONS:
b34976b6 1338 command_line.check_section_addresses = TRUE;
252b5132
RH		 1339 break;
1340 case OPTION_NO_CHECK_SECTIONS:
b34976b6 1341 command_line.check_section_addresses = FALSE;
252b5132 1342 break;
312b768e
NC		 1343 case OPTION_ACCEPT_UNKNOWN_INPUT_ARCH:
1344 command_line.accept_unknown_input_arch = TRUE;
1345 break;
1346 case OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH:
1347 command_line.accept_unknown_input_arch = FALSE;
1348 break;
252b5132
RH		 1349 case '(':
1350 if (ingroup)
210a7bd1
NC		 1351 einfo (_("%P%F: may not nest groups (--help for usage)\n"));
1352
252b5132
RH		 1353 lang_enter_group ();
1354 ingroup = 1;
1355 break;
1356 case ')':
1357 if (! ingroup)
210a7bd1
NC		 1358 einfo (_("%P%F: group ended before it began (--help for usage)\n"));
1359
252b5132
RH		 1360 lang_leave_group ();
1361 ingroup = 0;
1362 break;
3dbf70a2
MM		 1363
1364 case OPTION_INIT:
1365 link_info.init_function = optarg;
1366 break;
5cc18311 1367
3dbf70a2
MM		 1368 case OPTION_FINI:
1369 link_info.fini_function = optarg;
1370 break;
2d643429 1371
35835446 1372 case OPTION_REDUCE_MEMORY_OVERHEADS:
c0f00686 1373 link_info.reduce_memory_overheads = TRUE;
2d643429
NC		 1374 if (config.hash_table_size == 0)
1375 config.hash_table_size = 1021;
35835446 1376 break;
2d643429
NC		 1377
1378 case OPTION_HASH_SIZE:
1379 {
1380 bfd_size_type new_size;
1381
1382 new_size = strtoul (optarg, NULL, 0);
1383 if (new_size)
1384 config.hash_table_size = new_size;
1385 else
1386 einfo (_("%P%X: --hash-size needs a numeric argument\n"));
1387 }
1388 break;
252b5132
RH		 1389 }
1390 }
1391
1392 if (ingroup)
1393 lang_leave_group ();
1394
1395 if (default_dirlist != NULL)
5ed6aba4
NC		 1396 {
1397 set_default_dirlist (default_dirlist);
1398 free (default_dirlist);
1399 }
560e09e9
NC		 1400
1401 if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET)
1402 /* FIXME: Should we allow emulations a chance to set this ? */
1403 link_info.unresolved_syms_in_objects = how_to_report_unresolved_symbols;
6feb9908 1404
560e09e9
NC		 1405 if (link_info.unresolved_syms_in_shared_libs == RM_NOT_YET_SET)
1406 /* FIXME: Should we allow emulations a chance to set this ? */
1407 link_info.unresolved_syms_in_shared_libs = how_to_report_unresolved_symbols;
252b5132
RH		 1408}
1409
1410/* Add the (colon-separated) elements of DIRLIST_PTR to the
1411 library search path. */
1412
1413static void
1579bae1 1414set_default_dirlist (char *dirlist_ptr)
252b5132
RH		 1415{
1416 char *p;
1417
1418 while (1)
1419 {
1420 p = strchr (dirlist_ptr, PATH_SEPARATOR);
1421 if (p != NULL)
1422 *p = '\0';
1423 if (*dirlist_ptr != '\0')
b34976b6 1424 ldfile_add_library_path (dirlist_ptr, TRUE);
252b5132
RH		 1425 if (p == NULL)
1426 break;
1427 dirlist_ptr = p + 1;
1428 }
1429}
1430
1431static void
1579bae1 1432set_section_start (char *sect, char *valstr)
252b5132 1433{
93697284
AM		 1434 const char *end;
1435 bfd_vma val = bfd_scan_vma (valstr, &end, 16);
252b5132
RH		 1436 if (*end)
1437 einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
ba916c8a 1438 lang_section_start (sect, exp_intop (val), NULL);
252b5132 1439}
ba916c8a
MM		 1440
1441static void
1442set_segment_start (const char *section, char *valstr)
1443{
1444 const char *name;
1445 const char *end;
1446 segment_type *seg;
1447
1448 bfd_vma val = bfd_scan_vma (valstr, &end, 16);
1449 if (*end)
1450 einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
1451 /* If we already have an entry for this segment, update the existing
1452 value. */
1453 name = section + 1;
1454 for (seg = segments; seg; seg = seg->next)
1455 if (strcmp (seg->name, name) == 0)
1456 {
1457 seg->value = val;
1458 return;
1459 }
1460 /* There was no existing value so we must create a new segment
1461 entry. */
1462 seg = stat_alloc (sizeof (*seg));
1463 seg->name = name;
1464 seg->value = val;
1465 seg->used = FALSE;
1466 /* Add it to the linked list of segments. */
1467 seg->next = segments;
1468 segments = seg;
1469 /* Historically, -Ttext and friends set the base address of a
1470 particular section. For backwards compatibility, we still do
1471 that. If a SEGMENT_START directive is seen, the section address
1472 assignment will be disabled. */
1473 lang_section_start (section, exp_intop (val), seg);
1474}
1475
252b5132
RH		 1476\f
1477/* Print help messages for the options. */
1478
1479static void
1579bae1 1480help (void)
252b5132 1481{
e4897a32 1482 unsigned i;
252b5132 1483 const char **targets, **pp;
a55ff675 1484 int len;
252b5132
RH		 1485
1486 printf (_("Usage: %s [options] file...\n"), program_name);
1487
1488 printf (_("Options:\n"));
1489 for (i = 0; i < OPTION_COUNT; i++)
1490 {
1491 if (ld_options[i].doc != NULL)
1492 {
b34976b6 1493 bfd_boolean comma;
e4897a32 1494 unsigned j;
252b5132
RH		 1495
1496 printf (" ");
1497
b34976b6 1498 comma = FALSE;
252b5132
RH		 1499 len = 2;
1500
1501 j = i;
1502 do
1503 {
1504 if (ld_options[j].shortopt != '\0'
1505 && ld_options[j].control != NO_HELP)
1506 {
1507 printf ("%s-%c", comma ? ", " : "", ld_options[j].shortopt);
1508 len += (comma ? 2 : 0) + 2;
1509 if (ld_options[j].arg != NULL)
1510 {
1511 if (ld_options[j].opt.has_arg != optional_argument)
1512 {
1513 printf (" ");
1514 ++len;
1515 }
1516 printf ("%s", _(ld_options[j].arg));
1517 len += strlen (_(ld_options[j].arg));
1518 }
b34976b6 1519 comma = TRUE;
252b5132
RH		 1520 }
1521 ++j;
1522 }
1523 while (j < OPTION_COUNT && ld_options[j].doc == NULL);
1524
1525 j = i;
1526 do
1527 {
1528 if (ld_options[j].opt.name != NULL
1529 && ld_options[j].control != NO_HELP)
1530 {
e4897a32
NC		 1531 int two_dashes =
1532 (ld_options[j].control == TWO_DASHES
1533 || ld_options[j].control == EXACTLY_TWO_DASHES);
b7a26f91 1534
252b5132
RH		 1535 printf ("%s-%s%s",
1536 comma ? ", " : "",
e4897a32 1537 two_dashes ? "-" : "",
252b5132
RH		 1538 ld_options[j].opt.name);
1539 len += ((comma ? 2 : 0)
1540 + 1
e4897a32 1541 + (two_dashes ? 1 : 0)
252b5132
RH		 1542 + strlen (ld_options[j].opt.name));
1543 if (ld_options[j].arg != NULL)
1544 {
1545 printf (" %s", _(ld_options[j].arg));
1546 len += 1 + strlen (_(ld_options[j].arg));
1547 }
b34976b6 1548 comma = TRUE;
252b5132
RH		 1549 }
1550 ++j;
1551 }
1552 while (j < OPTION_COUNT && ld_options[j].doc == NULL);
1553
1554 if (len >= 30)
1555 {
1556 printf ("\n");
1557 len = 0;
1558 }
1559
1560 for (; len < 30; len++)
1561 putchar (' ');
1562
1563 printf ("%s\n", _(ld_options[i].doc));
1564 }
1565 }
a55ff675
MM		 1566 printf (_(" @FILE"));
1567 for (len = strlen (" @FILE"); len < 30; len++)
1568 putchar (' ');
1569 printf (_("Read options from FILE\n"));
252b5132 1570
f75692fe
NC		 1571 /* Note: Various tools (such as libtool) depend upon the
1572 format of the listings below - do not change them. */
252b5132 1573 /* xgettext:c-format */
f75692fe 1574 printf (_("%s: supported targets:"), program_name);
252b5132
RH		 1575 targets = bfd_target_list ();
1576 for (pp = targets; *pp != NULL; pp++)
1577 printf (" %s", *pp);
1578 free (targets);
1579 printf ("\n");
1580
1581 /* xgettext:c-format */
f75692fe 1582 printf (_("%s: supported emulations: "), program_name);
252b5132
RH		 1583 ldemul_list_emulations (stdout);
1584 printf ("\n");
1585
1586 /* xgettext:c-format */
1587 printf (_("%s: emulation specific options:\n"), program_name);
1588 ldemul_list_emulation_options (stdout);
1589 printf ("\n");
c20f4f8c 1590
8ad3436c 1591 printf (_("Report bugs to %s\n"), REPORT_BUGS_TO);
252b5132 1592}
GDB Binutils - Deliverables
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