ld/lexsup.c

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