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                    "                                following dynamic libs"),
 331     TWO_DASHES },
 332   { {"no-add-needed", no_argument, NULL, OPTION_NO_ADD_NEEDED},
 333     '\0', NULL, N_("Do not set DT_NEEDED tags for DT_NEEDED entries\n"
 334                    "                                in following dynamic libs"),
 335     TWO_DASHES },
 336   { {"as-needed", no_argument, NULL, OPTION_AS_NEEDED},
 337     '\0', NULL, N_("Only set DT_NEEDED for following dynamic libs if used"),
 338     TWO_DASHES },
 339   { {"no-as-needed", no_argument, NULL, OPTION_NO_AS_NEEDED},
 340     '\0', NULL, N_("Always set DT_NEEDED for following dynamic libs"),
 341     TWO_DASHES },
 342   { {"assert", required_argument, NULL, OPTION_ASSERT},
 343     '\0', N_("KEYWORD"), N_("Ignored for SunOS compatibility"), ONE_DASH },
 344   { {"Bdynamic", no_argument, NULL, OPTION_CALL_SHARED},
 345     '\0', NULL, N_("Link against shared libraries"), ONE_DASH },
 346   { {"dy", no_argument, NULL, OPTION_CALL_SHARED},
 347     '\0', NULL, NULL, ONE_DASH },
 348   { {"call_shared", no_argument, NULL, OPTION_CALL_SHARED},
 349     '\0', NULL, NULL, ONE_DASH },
 350   { {"Bstatic", no_argument, NULL, OPTION_NON_SHARED},
 351     '\0', NULL, N_("Do not link against shared libraries"), ONE_DASH },
 352   { {"dn", no_argument, NULL, OPTION_NON_SHARED},
 353     '\0', NULL, NULL, ONE_DASH },
 354   { {"non_shared", no_argument, NULL, OPTION_NON_SHARED},
 355     '\0', NULL, NULL, ONE_DASH },
 356   { {"static", no_argument, NULL, OPTION_NON_SHARED},
 357     '\0', NULL, NULL, ONE_DASH },
 358   { {"Bsymbolic", no_argument, NULL, OPTION_SYMBOLIC},
 359     '\0', NULL, N_("Bind global references locally"), ONE_DASH },
 360   { {"Bsymbolic-functions", no_argument, NULL, OPTION_SYMBOLIC_FUNCTIONS},
 361     '\0', NULL, N_("Bind global function references locally"), ONE_DASH },
 362   { {"check-sections", no_argument, NULL, OPTION_CHECK_SECTIONS},
 363     '\0', NULL, N_("Check section addresses for overlaps (default)"),
 364     TWO_DASHES },
 365   { {"no-check-sections", no_argument, NULL, OPTION_NO_CHECK_SECTIONS},
 366     '\0', NULL, N_("Do not check section addresses for overlaps"),
 367     TWO_DASHES },
 368   { {"cref", no_argument, NULL, OPTION_CREF},
 369     '\0', NULL, N_("Output cross reference table"), TWO_DASHES },
 370   { {"defsym", required_argument, NULL, OPTION_DEFSYM},
 371     '\0', N_("SYMBOL=EXPRESSION"), N_("Define a symbol"), TWO_DASHES },
 372   { {"demangle", optional_argument, NULL, OPTION_DEMANGLE},
 373     '\0', N_("[=STYLE]"), N_("Demangle symbol names [using STYLE]"),
 374     TWO_DASHES },
 375   { {"embedded-relocs", no_argument, NULL, OPTION_EMBEDDED_RELOCS},
 376     '\0', NULL, N_("Generate embedded relocs"), TWO_DASHES},
 377   { {"fatal-warnings", no_argument, NULL, OPTION_WARN_FATAL},
 378     '\0', NULL, N_("Treat warnings as errors"),
 379     TWO_DASHES },
 380   { {"fini", required_argument, NULL, OPTION_FINI},
 381     '\0', N_("SYMBOL"), N_("Call SYMBOL at unload-time"), ONE_DASH },
 382   { {"force-exe-suffix", no_argument, NULL, OPTION_FORCE_EXE_SUFFIX},
 383     '\0', NULL, N_("Force generation of file with .exe suffix"), TWO_DASHES},
 384   { {"gc-sections", no_argument, NULL, OPTION_GC_SECTIONS},
 385     '\0', NULL, N_("Remove unused sections (on some targets)"),
 386     TWO_DASHES },
 387   { {"no-gc-sections", no_argument, NULL, OPTION_NO_GC_SECTIONS},
 388     '\0', NULL, N_("Don't remove unused sections (default)"),
 389     TWO_DASHES },
 390   { {"print-gc-sections", no_argument, NULL, OPTION_PRINT_GC_SECTIONS},
 391     '\0', NULL, N_("List removed unused sections on stderr"),
 392     TWO_DASHES },
 393   { {"no-print-gc-sections", no_argument, NULL, OPTION_NO_PRINT_GC_SECTIONS},
 394     '\0', NULL, N_("Do not list removed unused sections"),
 395     TWO_DASHES },
 396   { {"hash-size=<NUMBER>", required_argument, NULL, OPTION_HASH_SIZE},
 397     '\0', NULL, N_("Set default hash table size close to <NUMBER>"),
 398     TWO_DASHES },
 399   { {"help", no_argument, NULL, OPTION_HELP},
 400     '\0', NULL, N_("Print option help"), TWO_DASHES },
 401   { {"init", required_argument, NULL, OPTION_INIT},
 402     '\0', N_("SYMBOL"), N_("Call SYMBOL at load-time"), ONE_DASH },
 403   { {"Map", required_argument, NULL, OPTION_MAP},
 404     '\0', N_("FILE"), N_("Write a map file"), ONE_DASH },
 405   { {"no-define-common", no_argument, NULL, OPTION_NO_DEFINE_COMMON},
 406     '\0', NULL, N_("Do not define Common storage"), TWO_DASHES },
 407   { {"no-demangle", no_argument, NULL, OPTION_NO_DEMANGLE },
 408     '\0', NULL, N_("Do not demangle symbol names"), TWO_DASHES },
 409   { {"no-keep-memory", no_argument, NULL, OPTION_NO_KEEP_MEMORY},
 410     '\0', NULL, N_("Use less memory and more disk I/O"), TWO_DASHES },
 411   { {"no-undefined", no_argument, NULL, OPTION_NO_UNDEFINED},
 412     '\0', NULL, N_("Do not allow unresolved references in object files"),
 413     TWO_DASHES },
 414   { {"allow-shlib-undefined", no_argument, NULL, OPTION_ALLOW_SHLIB_UNDEFINED},
 415     '\0', NULL, N_("Allow unresolved references in shared libaries"),
 416     TWO_DASHES },
 417   { {"no-allow-shlib-undefined", no_argument, NULL,
 418      OPTION_NO_ALLOW_SHLIB_UNDEFINED},
 419     '\0', NULL, N_("Do not allow unresolved references in shared libs"),
 420     TWO_DASHES },
 421   { {"allow-multiple-definition", no_argument, NULL,
 422      OPTION_ALLOW_MULTIPLE_DEFINITION},
 423     '\0', NULL, N_("Allow multiple definitions"), TWO_DASHES },
 424   { {"no-undefined-version", no_argument, NULL, OPTION_NO_UNDEFINED_VERSION},
 425     '\0', NULL, N_("Disallow undefined version"), TWO_DASHES },
 426   { {"default-symver", no_argument, NULL, OPTION_DEFAULT_SYMVER},
 427     '\0', NULL, N_("Create default symbol version"), TWO_DASHES },
 428   { {"default-imported-symver", no_argument, NULL,
 429       OPTION_DEFAULT_IMPORTED_SYMVER},
 430     '\0', NULL, N_("Create default symbol version for imported symbols"),
 431     TWO_DASHES },
 432   { {"no-warn-mismatch", no_argument, NULL, OPTION_NO_WARN_MISMATCH},
 433     '\0', NULL, N_("Don't warn about mismatched input files"), TWO_DASHES},
 434   { {"no-warn-search-mismatch", no_argument, NULL,
 435      OPTION_NO_WARN_SEARCH_MISMATCH},
 436     '\0', NULL, N_("Don't warn on finding an incompatible library"),
 437     TWO_DASHES},
 438   { {"no-whole-archive", no_argument, NULL, OPTION_NO_WHOLE_ARCHIVE},
 439     '\0', NULL, N_("Turn off --whole-archive"), TWO_DASHES },
 440   { {"noinhibit-exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
 441     '\0', NULL, N_("Create an output file even if errors occur"),
 442     TWO_DASHES },
 443   { {"noinhibit_exec", no_argument, NULL, OPTION_NOINHIBIT_EXEC},
 444     '\0', NULL, NULL, NO_HELP },
 445   { {"nostdlib", no_argument, NULL, OPTION_NOSTDLIB},
 446     '\0', NULL, N_("Only use library directories specified on\n"
 447                    "                                the command line"),
 448     ONE_DASH },
 449   { {"oformat", required_argument, NULL, OPTION_OFORMAT},
 450     '\0', N_("TARGET"), N_("Specify target of output file"),
 451     EXACTLY_TWO_DASHES },
 452   { {"qmagic", no_argument, NULL, OPTION_IGNORE},
 453     '\0', NULL, N_("Ignored for Linux compatibility"), ONE_DASH },
 454   { {"reduce-memory-overheads", no_argument, NULL,
 455      OPTION_REDUCE_MEMORY_OVERHEADS},
 456     '\0', NULL, N_("Reduce memory overheads, possibly taking much longer"),
 457     TWO_DASHES },
 458   { {"relax", no_argument, NULL, OPTION_RELAX},
 459     '\0', NULL, N_("Relax branches on certain targets"), TWO_DASHES },
 460   { {"retain-symbols-file", required_argument, NULL,
 461      OPTION_RETAIN_SYMBOLS_FILE},
 462     '\0', N_("FILE"), N_("Keep only symbols listed in FILE"), TWO_DASHES },
 463   { {"rpath", required_argument, NULL, OPTION_RPATH},
 464     '\0', N_("PATH"), N_("Set runtime shared library search path"), ONE_DASH },
 465   { {"rpath-link", required_argument, NULL, OPTION_RPATH_LINK},
 466     '\0', N_("PATH"), N_("Set link time shared library search path"),
 467     ONE_DASH },
 468   { {"shared", no_argument, NULL, OPTION_SHARED},
 469     '\0', NULL, N_("Create a shared library"), ONE_DASH },
 470   { {"Bshareable", no_argument, NULL, OPTION_SHARED }, /* FreeBSD.  */
 471     '\0', NULL, NULL, ONE_DASH },
 472   { {"pie", no_argument, NULL, OPTION_PIE},
 473     '\0', NULL, N_("Create a position independent executable"), ONE_DASH },
 474   { {"pic-executable", no_argument, NULL, OPTION_PIE},
 475     '\0', NULL, NULL, TWO_DASHES },
 476   { {"sort-common", optional_argument, NULL, OPTION_SORT_COMMON},
 477     '\0', N_("[=ascending|descending]"),
 478     N_("Sort common symbols by alignment [in specified order]"),
 479     TWO_DASHES },
 480   { {"sort_common", no_argument, NULL, OPTION_SORT_COMMON},
 481     '\0', NULL, NULL, NO_HELP },
 482   { {"sort-section", required_argument, NULL, OPTION_SORT_SECTION},
 483     '\0', N_("name|alignment"),
 484     N_("Sort sections by name or maximum alignment"), TWO_DASHES },
 485   { {"spare-dynamic-tags", required_argument, NULL, OPTION_SPARE_DYNAMIC_TAGS},
 486     '\0', N_("COUNT"), N_("How many tags to reserve in .dynamic section"),
 487     TWO_DASHES },
 488   { {"split-by-file", optional_argument, NULL, OPTION_SPLIT_BY_FILE},
 489     '\0', N_("[=SIZE]"), N_("Split output sections every SIZE octets"),
 490     TWO_DASHES },
 491   { {"split-by-reloc", optional_argument, NULL, OPTION_SPLIT_BY_RELOC},
 492     '\0', N_("[=COUNT]"), N_("Split output sections every COUNT relocs"),
 493     TWO_DASHES },
 494   { {"stats", no_argument, NULL, OPTION_STATS},
 495     '\0', NULL, N_("Print memory usage statistics"), TWO_DASHES },
 496   { {"target-help", no_argument, NULL, OPTION_TARGET_HELP},
 497     '\0', NULL, N_("Display target specific options"), TWO_DASHES },
 498   { {"task-link", required_argument, NULL, OPTION_TASK_LINK},
 499     '\0', N_("SYMBOL"), N_("Do task level linking"), TWO_DASHES },
 500   { {"traditional-format", no_argument, NULL, OPTION_TRADITIONAL_FORMAT},
 501     '\0', NULL, N_("Use same format as native linker"), TWO_DASHES },
 502   { {"section-start", required_argument, NULL, OPTION_SECTION_START},
 503     '\0', N_("SECTION=ADDRESS"), N_("Set address of named section"),
 504     TWO_DASHES },
 505   { {"Tbss", required_argument, NULL, OPTION_TBSS},
 506     '\0', N_("ADDRESS"), N_("Set address of .bss section"), ONE_DASH },
 507   { {"Tdata", required_argument, NULL, OPTION_TDATA},
 508     '\0', N_("ADDRESS"), N_("Set address of .data section"), ONE_DASH },
 509   { {"Ttext", required_argument, NULL, OPTION_TTEXT},
 510     '\0', N_("ADDRESS"), N_("Set address of .text section"), ONE_DASH },
 511   { {"unresolved-symbols=<method>", required_argument, NULL,
 512      OPTION_UNRESOLVED_SYMBOLS},
 513     '\0', NULL, N_("How to handle unresolved symbols.  <method> is:\n"
 514                    "                                ignore-all, report-all, ignore-in-object-files,\n"
 515                    "                                ignore-in-shared-libs"),
 516     TWO_DASHES },
 517   { {"verbose", no_argument, NULL, OPTION_VERBOSE},
 518     '\0', NULL, N_("Output lots of information during link"), TWO_DASHES },
 519   { {"dll-verbose", no_argument, NULL, OPTION_VERBOSE}, /* Linux.  */
 520     '\0', NULL, NULL, NO_HELP },
 521   { {"version-script", required_argument, NULL, OPTION_VERSION_SCRIPT },
 522     '\0', N_("FILE"), N_("Read version information script"), TWO_DASHES },
 523   { {"version-exports-section", required_argument, NULL,
 524      OPTION_VERSION_EXPORTS_SECTION },
 525     '\0', N_("SYMBOL"), N_("Take export symbols list from .exports, using\n"
 526                            "                                SYMBOL as the version."),
 527     TWO_DASHES },
 528   { {"dynamic-list-data", no_argument, NULL, OPTION_DYNAMIC_LIST_DATA},
 529     '\0', NULL, N_("Add data symbols to dynamic list"), TWO_DASHES },
 530   { {"dynamic-list-cpp-new", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_NEW},
 531     '\0', NULL, N_("Use C++ operator new/delete dynamic list"), TWO_DASHES },
 532   { {"dynamic-list-cpp-typeinfo", no_argument, NULL, OPTION_DYNAMIC_LIST_CPP_TYPEINFO},
 533     '\0', NULL, N_("Use C++ typeinfo dynamic list"), TWO_DASHES },
 534   { {"dynamic-list", required_argument, NULL, OPTION_DYNAMIC_LIST},
 535     '\0', N_("FILE"), N_("Read dynamic list"), TWO_DASHES },
 536   { {"warn-common", no_argument, NULL, OPTION_WARN_COMMON},
 537     '\0', NULL, N_("Warn about duplicate common symbols"), TWO_DASHES },
 538   { {"warn-constructors", no_argument, NULL, OPTION_WARN_CONSTRUCTORS},
 539     '\0', NULL, N_("Warn if global constructors/destructors are seen"),
 540     TWO_DASHES },
 541   { {"warn-multiple-gp", no_argument, NULL, OPTION_WARN_MULTIPLE_GP},
 542     '\0', NULL, N_("Warn if the multiple GP values are used"), TWO_DASHES },
 543   { {"warn-once", no_argument, NULL, OPTION_WARN_ONCE},
 544     '\0', NULL, N_("Warn only once per undefined symbol"), TWO_DASHES },
 545   { {"warn-section-align", no_argument, NULL, OPTION_WARN_SECTION_ALIGN},
 546     '\0', NULL, N_("Warn if start of section changes due to alignment"),
 547     TWO_DASHES },
 548   { {"warn-shared-textrel", no_argument, NULL, OPTION_WARN_SHARED_TEXTREL},
 549     '\0', NULL, N_("Warn if shared object has DT_TEXTREL"),
 550     TWO_DASHES },
 551   { {"warn-unresolved-symbols", no_argument, NULL,
 552      OPTION_WARN_UNRESOLVED_SYMBOLS},
 553     '\0', NULL, N_("Report unresolved symbols as warnings"), TWO_DASHES },
 554   { {"error-unresolved-symbols", no_argument, NULL,
 555      OPTION_ERROR_UNRESOLVED_SYMBOLS},
 556     '\0', NULL, N_("Report unresolved symbols as errors"), TWO_DASHES },
 557   { {"whole-archive", no_argument, NULL, OPTION_WHOLE_ARCHIVE},
 558     '\0', NULL, N_("Include all objects from following archives"),
 559     TWO_DASHES },
 560   { {"wrap", required_argument, NULL, OPTION_WRAP},
 561     '\0', N_("SYMBOL"), N_("Use wrapper functions for SYMBOL"), TWO_DASHES },
 562 };
 563
 564 #define OPTION_COUNT ARRAY_SIZE (ld_options)
 565
 566 void
 567 parse_args (unsigned argc, char **argv)
 568 {
 569   unsigned i;
 570   int is, il, irl;
 571   int ingroup = 0;
 572   char *default_dirlist = NULL;
 573   char *shortopts;
 574   struct option *longopts;
 575   struct option *really_longopts;
 576   int last_optind;
 577   enum report_method how_to_report_unresolved_symbols = RM_GENERATE_ERROR;
 578
 579   shortopts = xmalloc (OPTION_COUNT * 3 + 2);
 580   longopts = xmalloc (sizeof (*longopts) * (OPTION_COUNT + 1));
 581   really_longopts = xmalloc (sizeof (*really_longopts) * (OPTION_COUNT + 1));
 582
 583   /* Starting the short option string with '-' is for programs that
 584      expect options and other ARGV-elements in any order and that care about
 585      the ordering of the two.  We describe each non-option ARGV-element
 586      as if it were the argument of an option with character code 1.  */
 587   shortopts[0] = '-';
 588   is = 1;
 589   il = 0;
 590   irl = 0;
 591   for (i = 0; i < OPTION_COUNT; i++)
 592     {
 593       if (ld_options[i].shortopt != '\0')
 594         {
 595           shortopts[is] = ld_options[i].shortopt;
 596           ++is;
 597           if (ld_options[i].opt.has_arg == required_argument
 598               || ld_options[i].opt.has_arg == optional_argument)
 599             {
 600               shortopts[is] = ':';
 601               ++is;
 602               if (ld_options[i].opt.has_arg == optional_argument)
 603                 {
 604                   shortopts[is] = ':';
 605                   ++is;
 606                 }
 607             }
 608         }
 609       if (ld_options[i].opt.name != NULL)
 610         {
 611           if (ld_options[i].control == EXACTLY_TWO_DASHES)
 612             {
 613               really_longopts[irl] = ld_options[i].opt;
 614               ++irl;
 615             }
 616           else
 617             {
 618               longopts[il] = ld_options[i].opt;
 619               ++il;
 620             }
 621         }
 622     }
 623   shortopts[is] = '\0';
 624   longopts[il].name = NULL;
 625   really_longopts[irl].name = NULL;
 626
 627   ldemul_add_options (is, &shortopts, il, &longopts, irl, &really_longopts);
 628
 629   /* The -G option is ambiguous on different platforms.  Sometimes it
 630      specifies the largest data size to put into the small data
 631      section.  Sometimes it is equivalent to --shared.  Unfortunately,
 632      the first form takes an argument, while the second does not.
 633
 634      We need to permit the --shared form because on some platforms,
 635      such as Solaris, gcc -shared will pass -G to the linker.
 636
 637      To permit either usage, we look through the argument list.  If we
 638      find -G not followed by a number, we change it into --shared.
 639      This will work for most normal cases.  */
 640   for (i = 1; i < argc; i++)
 641     if (strcmp (argv[i], "-G") == 0
 642         && (i + 1 >= argc
 643             || ! ISDIGIT (argv[i + 1][0])))
 644       argv[i] = (char *) "--shared";
 645
 646   /* Because we permit long options to start with a single dash, and
 647      we have a --library option, and the -l option is conventionally
 648      used with an immediately following argument, we can have bad
 649      results if somebody tries to use -l with a library whose name
 650      happens to start with "ibrary", as in -li.  We avoid problems by
 651      simply turning -l into --library.  This means that users will
 652      have to use two dashes in order to use --library, which is OK
 653      since that's how it is documented.
 654
 655      FIXME: It's possible that this problem can arise for other short
 656      options as well, although the user does always have the recourse
 657      of adding a space between the option and the argument.  */
 658   for (i = 1; i < argc; i++)
 659     {
 660       if (argv[i][0] == '-'
 661           && argv[i][1] == 'l'
 662           && argv[i][2] != '\0')
 663         {
 664           char *n;
 665
 666           n = xmalloc (strlen (argv[i]) + 20);
 667           sprintf (n, "--library=%s", argv[i] + 2);
 668           argv[i] = n;
 669         }
 670     }
 671
 672   last_optind = -1;
 673   while (1)
 674     {
 675       int longind;
 676       int optc;
 677
 678       /* Using last_optind lets us avoid calling ldemul_parse_args
 679          multiple times on a single option, which would lead to
 680          confusion in the internal static variables maintained by
 681          getopt.  This could otherwise happen for an argument like
 682          -nx, in which the -n is parsed as a single option, and we
 683          loop around to pick up the -x.  */
 684       if (optind != last_optind)
 685         if (ldemul_parse_args (argc, argv))
 686           continue;
 687
 688       /* getopt_long_only is like getopt_long, but '-' as well as '--'
 689          can indicate a long option.  */
 690       opterr = 0;
 691       last_optind = optind;
 692       optc = getopt_long_only (argc, argv, shortopts, longopts, &longind);
 693       if (optc == '?')
 694         {
 695           optind = last_optind;
 696           optc = getopt_long (argc, argv, "-", really_longopts, &longind);
 697         }
 698
 699       if (ldemul_handle_option (optc))
 700         continue;
 701
 702       if (optc == -1)
 703         break;
 704
 705       switch (optc)
 706         {
 707         case '?':
 708           einfo (_("%P: unrecognized option '%s'\n"), argv[last_optind]);
 709           /* Fall through.  */
 710
 711         default:
 712           einfo (_("%P%F: use the --help option for usage information\n"));
 713
 714         case 1:                 /* File name.  */
 715           lang_add_input_file (optarg, lang_input_file_is_file_enum, NULL);
 716           break;
 717
 718         case OPTION_IGNORE:
 719           break;
 720         case 'a':
 721           /* For HP/UX compatibility.  Actually -a shared should mean
 722              ``use only shared libraries'' but, then, we don't
 723              currently support shared libraries on HP/UX anyhow.  */
 724           if (strcmp (optarg, "archive") == 0)
 725             config.dynamic_link = FALSE;
 726           else if (strcmp (optarg, "shared") == 0
 727                    || strcmp (optarg, "default") == 0)
 728             config.dynamic_link = TRUE;
 729           else
 730             einfo (_("%P%F: unrecognized -a option `%s'\n"), optarg);
 731           break;
 732         case OPTION_ASSERT:
 733           /* FIXME: We just ignore these, but we should handle them.  */
 734           if (strcmp (optarg, "definitions") == 0)
 735             ;
 736           else if (strcmp (optarg, "nodefinitions") == 0)
 737             ;
 738           else if (strcmp (optarg, "nosymbolic") == 0)
 739             ;
 740           else if (strcmp (optarg, "pure-text") == 0)
 741             ;
 742           else
 743             einfo (_("%P%F: unrecognized -assert option `%s'\n"), optarg);
 744           break;
 745         case 'A':
 746           ldfile_add_arch (optarg);
 747           break;
 748         case 'b':
 749           lang_add_target (optarg);
 750           break;
 751         case 'c':
 752           ldfile_open_command_file (optarg);
 753           parser_input = input_mri_script;
 754           yyparse ();
 755           break;
 756         case OPTION_CALL_SHARED:
 757           config.dynamic_link = TRUE;
 758           break;
 759         case OPTION_NON_SHARED:
 760           config.dynamic_link = FALSE;
 761           break;
 762         case OPTION_CREF:
 763           command_line.cref = TRUE;
 764           link_info.notice_all = TRUE;
 765           break;
 766         case 'd':
 767           command_line.force_common_definition = TRUE;
 768           break;
 769         case OPTION_DEFSYM:
 770           lex_string = optarg;
 771           lex_redirect (optarg);
 772           parser_input = input_defsym;
 773           parsing_defsym = 1;
 774           yyparse ();
 775           parsing_defsym = 0;
 776           lex_string = NULL;
 777           break;
 778         case OPTION_DEMANGLE:
 779           demangling = TRUE;
 780           if (optarg != NULL)
 781             {
 782               enum demangling_styles style;
 783
 784               style = cplus_demangle_name_to_style (optarg);
 785               if (style == unknown_demangling)
 786                 einfo (_("%F%P: unknown demangling style `%s'"),
 787                        optarg);
 788
 789               cplus_demangle_set_style (style);
 790             }
 791           break;
 792         case 'I':               /* Used on Solaris.  */
 793         case OPTION_DYNAMIC_LINKER:
 794           command_line.interpreter = optarg;
 795           break;
 796         case OPTION_SYSROOT:
 797           /* Already handled in ldmain.c.  */
 798           break;
 799         case OPTION_EB:
 800           command_line.endian = ENDIAN_BIG;
 801           break;
 802         case OPTION_EL:
 803           command_line.endian = ENDIAN_LITTLE;
 804           break;
 805         case OPTION_EMBEDDED_RELOCS:
 806           command_line.embedded_relocs = TRUE;
 807           break;
 808         case OPTION_EXPORT_DYNAMIC:
 809         case 'E': /* HP/UX compatibility.  */
 810           link_info.export_dynamic = TRUE;
 811           break;
 812         case 'e':
 813           lang_add_entry (optarg, TRUE);
 814           break;
 815         case 'f':
 816           if (command_line.auxiliary_filters == NULL)
 817             {
 818               command_line.auxiliary_filters = xmalloc (2 * sizeof (char *));
 819               command_line.auxiliary_filters[0] = optarg;
 820               command_line.auxiliary_filters[1] = NULL;
 821             }
 822           else
 823             {
 824               int c;
 825               char **p;
 826
 827               c = 0;
 828               for (p = command_line.auxiliary_filters; *p != NULL; p++)
 829                 ++c;
 830               command_line.auxiliary_filters
 831                 = xrealloc (command_line.auxiliary_filters,
 832                             (c + 2) * sizeof (char *));
 833               command_line.auxiliary_filters[c] = optarg;
 834               command_line.auxiliary_filters[c + 1] = NULL;
 835             }
 836           break;
 837         case 'F':
 838           command_line.filter_shlib = optarg;
 839           break;
 840         case OPTION_FORCE_EXE_SUFFIX:
 841           command_line.force_exe_suffix = TRUE;
 842           break;
 843         case 'G':
 844           {
 845             char *end;
 846             g_switch_value = strtoul (optarg, &end, 0);
 847             if (*end)
 848               einfo (_("%P%F: invalid number `%s'\n"), optarg);
 849           }
 850           break;
 851         case 'g':
 852           /* Ignore.  */
 853           break;
 854         case OPTION_GC_SECTIONS:
 855           link_info.gc_sections = TRUE;
 856           break;
 857         case OPTION_PRINT_GC_SECTIONS:
 858           link_info.print_gc_sections = TRUE;
 859           break;
 860         case OPTION_HELP:
 861           help ();
 862           xexit (0);
 863           break;
 864         case 'L':
 865           ldfile_add_library_path (optarg, TRUE);
 866           break;
 867         case 'l':
 868           lang_add_input_file (optarg, lang_input_file_is_l_enum, NULL);
 869           break;
 870         case 'M':
 871           config.map_filename = "-";
 872           break;
 873         case 'm':
 874           /* Ignore.  Was handled in a pre-parse.   */
 875           break;
 876         case OPTION_MAP:
 877           config.map_filename = optarg;
 878           break;
 879         case 'N':
 880           config.text_read_only = FALSE;
 881           config.magic_demand_paged = FALSE;
 882           config.dynamic_link = FALSE;
 883           break;
 884         case OPTION_NO_OMAGIC:
 885           config.text_read_only = TRUE;
 886           config.magic_demand_paged = TRUE;
 887           /* NB/ Does not set dynamic_link to TRUE.
 888              Use --call-shared or -Bdynamic for this.  */
 889           break;
 890         case 'n':
 891           config.magic_demand_paged = FALSE;
 892           config.dynamic_link = FALSE;
 893           break;
 894         case OPTION_NO_DEFINE_COMMON:
 895           command_line.inhibit_common_definition = TRUE;
 896           break;
 897         case OPTION_NO_DEMANGLE:
 898           demangling = FALSE;
 899           break;
 900         case OPTION_NO_GC_SECTIONS:
 901           link_info.gc_sections = FALSE;
 902           break;
 903         case OPTION_NO_PRINT_GC_SECTIONS:
 904           link_info.print_gc_sections = FALSE;
 905           break;
 906         case OPTION_NO_KEEP_MEMORY:
 907           link_info.keep_memory = FALSE;
 908           break;
 909         case OPTION_NO_UNDEFINED:
 910           link_info.unresolved_syms_in_objects
 911             = how_to_report_unresolved_symbols;
 912           break;
 913         case OPTION_ALLOW_SHLIB_UNDEFINED:
 914           link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
 915           break;
 916         case OPTION_NO_ALLOW_SHLIB_UNDEFINED:
 917           link_info.unresolved_syms_in_shared_libs
 918             = how_to_report_unresolved_symbols;
 919           break;
 920         case OPTION_UNRESOLVED_SYMBOLS:
 921           if (strcmp (optarg, "ignore-all") == 0)
 922             {
 923               link_info.unresolved_syms_in_objects = RM_IGNORE;
 924               link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
 925             }
 926           else if (strcmp (optarg, "report-all") == 0)
 927             {
 928               link_info.unresolved_syms_in_objects
 929                 = how_to_report_unresolved_symbols;
 930               link_info.unresolved_syms_in_shared_libs
 931                 = how_to_report_unresolved_symbols;
 932             }
 933           else if (strcmp (optarg, "ignore-in-object-files") == 0)
 934             {
 935               link_info.unresolved_syms_in_objects = RM_IGNORE;
 936               link_info.unresolved_syms_in_shared_libs
 937                 = how_to_report_unresolved_symbols;
 938             }
 939           else if (strcmp (optarg, "ignore-in-shared-libs") == 0)
 940             {
 941               link_info.unresolved_syms_in_objects
 942                 = how_to_report_unresolved_symbols;
 943               link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
 944             }
 945           else
 946             einfo (_("%P%F: bad --unresolved-symbols option: %s\n"), optarg);
 947           break;
 948         case OPTION_WARN_UNRESOLVED_SYMBOLS:
 949           how_to_report_unresolved_symbols = RM_GENERATE_WARNING;
 950           if (link_info.unresolved_syms_in_objects == RM_GENERATE_ERROR)
 951             link_info.unresolved_syms_in_objects = RM_GENERATE_WARNING;
 952           if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_ERROR)
 953             link_info.unresolved_syms_in_shared_libs = RM_GENERATE_WARNING;
 954           break;
 955
 956         case OPTION_ERROR_UNRESOLVED_SYMBOLS:
 957           how_to_report_unresolved_symbols = RM_GENERATE_ERROR;
 958           if (link_info.unresolved_syms_in_objects == RM_GENERATE_WARNING)
 959             link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
 960           if (link_info.unresolved_syms_in_shared_libs == RM_GENERATE_WARNING)
 961             link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR;
 962           break;
 963         case OPTION_ALLOW_MULTIPLE_DEFINITION:
 964           link_info.allow_multiple_definition = TRUE;
 965           break;
 966         case OPTION_NO_UNDEFINED_VERSION:
 967           link_info.allow_undefined_version = FALSE;
 968           break;
 969         case OPTION_DEFAULT_SYMVER:
 970           link_info.create_default_symver = TRUE;
 971           break;
 972         case OPTION_DEFAULT_IMPORTED_SYMVER:
 973           link_info.default_imported_symver = TRUE;
 974           break;
 975         case OPTION_NO_WARN_MISMATCH:
 976           command_line.warn_mismatch = FALSE;
 977           break;
 978         case OPTION_NO_WARN_SEARCH_MISMATCH:
 979           command_line.warn_search_mismatch = FALSE;
 980           break;
 981         case OPTION_NOINHIBIT_EXEC:
 982           force_make_executable = TRUE;
 983           break;
 984         case OPTION_NOSTDLIB:
 985           config.only_cmd_line_lib_dirs = TRUE;
 986           break;
 987         case OPTION_NO_WHOLE_ARCHIVE:
 988           whole_archive = FALSE;
 989           break;
 990         case 'O':
 991           /* FIXME "-O<non-digits> <value>" used to set the address of
 992              section <non-digits>.  Was this for compatibility with
 993              something, or can we create a new option to do that
 994              (with a syntax similar to -defsym)?
 995              getopt can't handle two args to an option without kludges.  */
 996
 997           /* Enable optimizations of output files.  */
 998           link_info.optimize = strtoul (optarg, NULL, 0) ? TRUE : FALSE;
 999           break;
1000         case 'o':
1001           lang_add_output (optarg, 0);
1002           break;
1003         case OPTION_OFORMAT:
1004           lang_add_output_format (optarg, NULL, NULL, 0);
1005           break;
1006         case 'q':
1007           link_info.emitrelocations = TRUE;
1008           break;
1009         case 'i':
1010         case 'r':
1011           if (optind == last_optind)
1012             /* This can happen if the user put "-rpath,a" on the command
1013                line.  (Or something similar.  The comma is important).
1014                Getopt becomes confused and thinks that this is a -r option
1015                but it cannot parse the text after the -r so it refuses to
1016                increment the optind counter.  Detect this case and issue
1017                an error message here.  We cannot just make this a warning,
1018                increment optind, and continue because getopt is too confused
1019                and will seg-fault the next time around.  */
1020             einfo(_("%P%F: bad -rpath option\n"));
1021
1022           link_info.relocatable = TRUE;
1023           config.build_constructors = FALSE;
1024           config.magic_demand_paged = FALSE;
1025           config.text_read_only = FALSE;
1026           config.dynamic_link = FALSE;
1027           break;
1028         case 'R':
1029           /* The GNU linker traditionally uses -R to mean to include
1030              only the symbols from a file.  The Solaris linker uses -R
1031              to set the path used by the runtime linker to find
1032              libraries.  This is the GNU linker -rpath argument.  We
1033              try to support both simultaneously by checking the file
1034              named.  If it is a directory, rather than a regular file,
1035              we assume -rpath was meant.  */
1036           {
1037             struct stat s;
1038
1039             if (stat (optarg, &s) >= 0
1040                 && ! S_ISDIR (s.st_mode))
1041               {
1042                 lang_add_input_file (optarg,
1043                                      lang_input_file_is_symbols_only_enum,
1044                                      NULL);
1045                 break;
1046               }
1047           }
1048           /* Fall through.  */
1049         case OPTION_RPATH:
1050           if (command_line.rpath == NULL)
1051             command_line.rpath = xstrdup (optarg);
1052           else
1053             {
1054               size_t rpath_len = strlen (command_line.rpath);
1055               size_t optarg_len = strlen (optarg);
1056               char *buf;
1057               char *cp = command_line.rpath;
1058
1059               /* First see whether OPTARG is already in the path.  */
1060               do
1061                 {
1062                   if (strncmp (optarg, cp, optarg_len) == 0
1063                       && (cp[optarg_len] == 0
1064                           || cp[optarg_len] == config.rpath_separator))
1065                     /* We found it.  */
1066                     break;
1067
1068                   /* Not yet found.  */
1069                   cp = strchr (cp, config.rpath_separator);
1070                   if (cp != NULL)
1071                     ++cp;
1072                 }
1073               while (cp != NULL);
1074
1075               if (cp == NULL)
1076                 {
1077                   buf = xmalloc (rpath_len + optarg_len + 2);
1078                   sprintf (buf, "%s%c%s", command_line.rpath,
1079                            config.rpath_separator, optarg);
1080                   free (command_line.rpath);
1081                   command_line.rpath = buf;
1082                 }
1083             }
1084           break;
1085         case OPTION_RPATH_LINK:
1086           if (command_line.rpath_link == NULL)
1087             command_line.rpath_link = xstrdup (optarg);
1088           else
1089             {
1090               char *buf;
1091
1092               buf = xmalloc (strlen (command_line.rpath_link)
1093                              + strlen (optarg)
1094                              + 2);
1095               sprintf (buf, "%s%c%s", command_line.rpath_link,
1096                        config.rpath_separator, optarg);
1097               free (command_line.rpath_link);
1098               command_line.rpath_link = buf;
1099             }
1100           break;
1101         case OPTION_RELAX:
1102           command_line.relax = TRUE;
1103           break;
1104         case OPTION_RETAIN_SYMBOLS_FILE:
1105           add_keepsyms_file (optarg);
1106           break;
1107         case 'S':
1108           link_info.strip = strip_debugger;
1109           break;
1110         case 's':
1111           link_info.strip = strip_all;
1112           break;
1113         case OPTION_STRIP_DISCARDED:
1114           link_info.strip_discarded = TRUE;
1115           break;
1116         case OPTION_NO_STRIP_DISCARDED:
1117           link_info.strip_discarded = FALSE;
1118           break;
1119         case OPTION_SHARED:
1120           if (config.has_shared)
1121             {
1122               link_info.shared = TRUE;
1123               /* When creating a shared library, the default
1124                  behaviour is to ignore any unresolved references.  */
1125               if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET)
1126                 link_info.unresolved_syms_in_objects = RM_IGNORE;
1127               if (link_info.unresolved_syms_in_shared_libs == RM_NOT_YET_SET)
1128                 link_info.unresolved_syms_in_shared_libs = RM_IGNORE;
1129             }
1130           else
1131             einfo (_("%P%F: -shared not supported\n"));
1132           break;
1133         case OPTION_PIE:
1134           if (config.has_shared)
1135             {
1136               link_info.shared = TRUE;
1137               link_info.pie = TRUE;
1138             }
1139           else
1140             einfo (_("%P%F: -pie not supported\n"));
1141           break;
1142         case 'h':               /* Used on Solaris.  */
1143         case OPTION_SONAME:
1144           command_line.soname = optarg;
1145           break;
1146         case OPTION_SORT_COMMON:
1147           if (optarg == NULL
1148               || strcmp (optarg, N_("descending")) == 0)
1149             config.sort_common = sort_descending;
1150           else if (strcmp (optarg, N_("ascending")) == 0)
1151             config.sort_common = sort_ascending;
1152           else
1153             einfo (_("%P%F: invalid common section sorting option: %s\n"),
1154                    optarg);
1155           break;
1156         case OPTION_SORT_SECTION:
1157           if (strcmp (optarg, N_("name")) == 0)
1158             sort_section = by_name;
1159           else if (strcmp (optarg, N_("alignment")) == 0)
1160             sort_section = by_alignment;
1161           else
1162             einfo (_("%P%F: invalid section sorting option: %s\n"),
1163                    optarg);
1164           break;
1165         case OPTION_STATS:
1166           config.stats = TRUE;
1167           break;
1168         case OPTION_SYMBOLIC:
1169           command_line.symbolic = symbolic;
1170           break;
1171         case OPTION_SYMBOLIC_FUNCTIONS:
1172           command_line.symbolic = symbolic_functions;
1173           break;
1174         case 't':
1175           trace_files = TRUE;
1176           break;
1177         case 'T':
1178           previous_script_handle = saved_script_handle;
1179           ldfile_open_command_file (optarg);
1180           parser_input = input_script;
1181           yyparse ();
1182           previous_script_handle = NULL;
1183           break;
1184         case OPTION_DEFAULT_SCRIPT:
1185           command_line.default_script = optarg;
1186           break;
1187         case OPTION_SECTION_START:
1188           {
1189             char *optarg2;
1190             char *sec_name;
1191             int len;
1192
1193             /* Check for <something>=<somthing>...  */
1194             optarg2 = strchr (optarg, '=');
1195             if (optarg2 == NULL)
1196               einfo (_("%P%F: invalid argument to option"
1197                        " \"--section-start\"\n"));
1198
1199             optarg2++;
1200
1201             /* So far so good.  Are all the args present?  */
1202             if ((*optarg == '\0') || (*optarg2 == '\0'))
1203               einfo (_("%P%F: missing argument(s) to option"
1204                        " \"--section-start\"\n"));
1205
1206             /* We must copy the section name as set_section_start
1207                doesn't do it for us.  */
1208             len = optarg2 - optarg;
1209             sec_name = xmalloc (len);
1210             memcpy (sec_name, optarg, len - 1);
1211             sec_name[len - 1] = 0;
1212
1213             /* Then set it...  */
1214             set_section_start (sec_name, optarg2);
1215           }
1216           break;
1217         case OPTION_TARGET_HELP:
1218           /* Mention any target specific options.  */
1219           ldemul_list_emulation_options (stdout);
1220           exit (0);
1221         case OPTION_TBSS:
1222           set_segment_start (".bss", optarg);
1223           break;
1224         case OPTION_TDATA:
1225           set_segment_start (".data", optarg);
1226           break;
1227         case OPTION_TTEXT:
1228           set_segment_start (".text", optarg);
1229           break;
1230         case OPTION_TRADITIONAL_FORMAT:
1231           link_info.traditional_format = TRUE;
1232           break;
1233         case OPTION_TASK_LINK:
1234           link_info.task_link = TRUE;
1235           /* Fall through - do an implied -r option.  */
1236         case OPTION_UR:
1237           link_info.relocatable = TRUE;
1238           config.build_constructors = TRUE;
1239           config.magic_demand_paged = FALSE;
1240           config.text_read_only = FALSE;
1241           config.dynamic_link = FALSE;
1242           break;
1243         case 'u':
1244           ldlang_add_undef (optarg);
1245           break;
1246         case OPTION_UNIQUE:
1247           if (optarg != NULL)
1248             lang_add_unique (optarg);
1249           else
1250             config.unique_orphan_sections = TRUE;
1251           break;
1252         case OPTION_VERBOSE:
1253           ldversion (1);
1254           version_printed = TRUE;
1255           trace_file_tries = TRUE;
1256           overflow_cutoff_limit = -2;
1257           break;
1258         case 'v':
1259           ldversion (0);
1260           version_printed = TRUE;
1261           break;
1262         case 'V':
1263           ldversion (1);
1264           version_printed = TRUE;
1265           break;
1266         case OPTION_VERSION:
1267           ldversion (2);
1268           xexit (0);
1269           break;
1270         case OPTION_VERSION_SCRIPT:
1271           /* This option indicates a small script that only specifies
1272              version information.  Read it, but don't assume that
1273              we've seen a linker script.  */
1274           {
1275             FILE *hold_script_handle;
1276
1277             hold_script_handle = saved_script_handle;
1278             ldfile_open_command_file (optarg);
1279             saved_script_handle = hold_script_handle;
1280             parser_input = input_version_script;
1281             yyparse ();
1282           }
1283           break;
1284         case OPTION_VERSION_EXPORTS_SECTION:
1285           /* This option records a version symbol to be applied to the
1286              symbols listed for export to be found in the object files
1287              .exports sections.  */
1288           command_line.version_exports_section = optarg;
1289           break;
1290         case OPTION_DYNAMIC_LIST_DATA:
1291           command_line.dynamic_list = dynamic_list_data;
1292           if (command_line.symbolic == symbolic)
1293             command_line.symbolic = symbolic_unset;
1294           break;
1295         case OPTION_DYNAMIC_LIST_CPP_TYPEINFO:
1296           lang_append_dynamic_list_cpp_typeinfo ();
1297           if (command_line.dynamic_list != dynamic_list_data)
1298             command_line.dynamic_list = dynamic_list;
1299           if (command_line.symbolic == symbolic)
1300             command_line.symbolic = symbolic_unset;
1301           break;
1302         case OPTION_DYNAMIC_LIST_CPP_NEW:
1303           lang_append_dynamic_list_cpp_new ();
1304           if (command_line.dynamic_list != dynamic_list_data)
1305             command_line.dynamic_list = dynamic_list;
1306           if (command_line.symbolic == symbolic)
1307             command_line.symbolic = symbolic_unset;
1308           break;
1309         case OPTION_DYNAMIC_LIST:
1310           /* This option indicates a small script that only specifies
1311              a dynamic list.  Read it, but don't assume that we've
1312              seen a linker script.  */
1313           {
1314             FILE *hold_script_handle;
1315
1316             hold_script_handle = saved_script_handle;
1317             ldfile_open_command_file (optarg);
1318             saved_script_handle = hold_script_handle;
1319             parser_input = input_dynamic_list;
1320             yyparse ();
1321           }
1322           if (command_line.dynamic_list != dynamic_list_data)
1323             command_line.dynamic_list = dynamic_list;
1324           if (command_line.symbolic == symbolic)
1325             command_line.symbolic = symbolic_unset;
1326           break;
1327         case OPTION_WARN_COMMON:
1328           config.warn_common = TRUE;
1329           break;
1330         case OPTION_WARN_CONSTRUCTORS:
1331           config.warn_constructors = TRUE;
1332           break;
1333         case OPTION_WARN_FATAL:
1334           config.fatal_warnings = TRUE;
1335           break;
1336         case OPTION_WARN_MULTIPLE_GP:
1337           config.warn_multiple_gp = TRUE;
1338           break;
1339         case OPTION_WARN_ONCE:
1340           config.warn_once = TRUE;
1341           break;
1342         case OPTION_WARN_SECTION_ALIGN:
1343           config.warn_section_align = TRUE;
1344           break;
1345         case OPTION_WARN_SHARED_TEXTREL:
1346           link_info.warn_shared_textrel = TRUE;
1347           break;
1348         case OPTION_WHOLE_ARCHIVE:
1349           whole_archive = TRUE;
1350           break;
1351         case OPTION_ADD_NEEDED:
1352           add_needed = TRUE;
1353           break;
1354         case OPTION_NO_ADD_NEEDED:
1355           add_needed = FALSE;
1356           break;
1357         case OPTION_AS_NEEDED:
1358           as_needed = TRUE;
1359           break;
1360         case OPTION_NO_AS_NEEDED:
1361           as_needed = FALSE;
1362           break;
1363         case OPTION_WRAP:
1364           add_wrap (optarg);
1365           break;
1366         case OPTION_DISCARD_NONE:
1367           link_info.discard = discard_none;
1368           break;
1369         case 'X':
1370           link_info.discard = discard_l;
1371           break;
1372         case 'x':
1373           link_info.discard = discard_all;
1374           break;
1375         case 'Y':
1376           if (CONST_STRNEQ (optarg, "P,"))
1377             optarg += 2;
1378           if (default_dirlist != NULL)
1379             free (default_dirlist);
1380           default_dirlist = xstrdup (optarg);
1381           break;
1382         case 'y':
1383           add_ysym (optarg);
1384           break;
1385         case OPTION_SPARE_DYNAMIC_TAGS:
1386           link_info.spare_dynamic_tags = strtoul (optarg, NULL, 0);
1387           break;
1388         case OPTION_SPLIT_BY_RELOC:
1389           if (optarg != NULL)
1390             config.split_by_reloc = strtoul (optarg, NULL, 0);
1391           else
1392             config.split_by_reloc = 32768;
1393           break;
1394         case OPTION_SPLIT_BY_FILE:
1395           if (optarg != NULL)
1396             config.split_by_file = bfd_scan_vma (optarg, NULL, 0);
1397           else
1398             config.split_by_file = 1;
1399           break;
1400         case OPTION_CHECK_SECTIONS:
1401           command_line.check_section_addresses = TRUE;
1402           break;
1403         case OPTION_NO_CHECK_SECTIONS:
1404           command_line.check_section_addresses = FALSE;
1405           break;
1406         case OPTION_ACCEPT_UNKNOWN_INPUT_ARCH:
1407           command_line.accept_unknown_input_arch = TRUE;
1408           break;
1409         case OPTION_NO_ACCEPT_UNKNOWN_INPUT_ARCH:
1410           command_line.accept_unknown_input_arch = FALSE;
1411           break;
1412         case '(':
1413           if (ingroup)
1414             einfo (_("%P%F: may not nest groups (--help for usage)\n"));
1415
1416           lang_enter_group ();
1417           ingroup = 1;
1418           break;
1419         case ')':
1420           if (! ingroup)
1421             einfo (_("%P%F: group ended before it began (--help for usage)\n"));
1422
1423           lang_leave_group ();
1424           ingroup = 0;
1425           break;
1426
1427         case OPTION_INIT:
1428           link_info.init_function = optarg;
1429           break;
1430
1431         case OPTION_FINI:
1432           link_info.fini_function = optarg;
1433           break;
1434
1435         case OPTION_REDUCE_MEMORY_OVERHEADS:
1436           link_info.reduce_memory_overheads = TRUE;
1437           if (config.hash_table_size == 0)
1438             config.hash_table_size = 1021;
1439           break;
1440
1441         case OPTION_HASH_SIZE:
1442           {
1443             bfd_size_type new_size;
1444
1445             new_size = strtoul (optarg, NULL, 0);
1446             if (new_size)
1447               config.hash_table_size = new_size;
1448             else
1449               einfo (_("%P%X: --hash-size needs a numeric argument\n"));
1450           }
1451           break;
1452         }
1453     }
1454
1455   if (ingroup)
1456     lang_leave_group ();
1457
1458   if (default_dirlist != NULL)
1459     {
1460       set_default_dirlist (default_dirlist);
1461       free (default_dirlist);
1462     }
1463
1464   if (link_info.unresolved_syms_in_objects == RM_NOT_YET_SET)
1465     /* FIXME: Should we allow emulations a chance to set this ?  */
1466     link_info.unresolved_syms_in_objects = how_to_report_unresolved_symbols;
1467
1468   if (link_info.unresolved_syms_in_shared_libs == RM_NOT_YET_SET)
1469     /* FIXME: Should we allow emulations a chance to set this ?  */
1470     link_info.unresolved_syms_in_shared_libs = how_to_report_unresolved_symbols;
1471 }
1472
1473 /* Add the (colon-separated) elements of DIRLIST_PTR to the
1474    library search path.  */
1475
1476 static void
1477 set_default_dirlist (char *dirlist_ptr)
1478 {
1479   char *p;
1480
1481   while (1)
1482     {
1483       p = strchr (dirlist_ptr, PATH_SEPARATOR);
1484       if (p != NULL)
1485         *p = '\0';
1486       if (*dirlist_ptr != '\0')
1487         ldfile_add_library_path (dirlist_ptr, TRUE);
1488       if (p == NULL)
1489         break;
1490       dirlist_ptr = p + 1;
1491     }
1492 }
1493
1494 static void
1495 set_section_start (char *sect, char *valstr)
1496 {
1497   const char *end;
1498   bfd_vma val = bfd_scan_vma (valstr, &end, 16);
1499   if (*end)
1500     einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
1501   lang_section_start (sect, exp_intop (val), NULL);
1502 }
1503
1504 static void
1505 set_segment_start (const char *section, char *valstr)
1506 {
1507   const char *name;
1508   const char *end;
1509   segment_type *seg;
1510
1511   bfd_vma val = bfd_scan_vma (valstr, &end, 16);
1512   if (*end)
1513     einfo (_("%P%F: invalid hex number `%s'\n"), valstr);
1514   /* If we already have an entry for this segment, update the existing
1515      value.  */
1516   name = section + 1;
1517   for (seg = segments; seg; seg = seg->next)
1518     if (strcmp (seg->name, name) == 0)
1519       {
1520         seg->value = val;
1521         return;
1522       }
1523   /* There was no existing value so we must create a new segment
1524      entry.  */
1525   seg = stat_alloc (sizeof (*seg));
1526   seg->name = name;
1527   seg->value = val;
1528   seg->used = FALSE;
1529   /* Add it to the linked list of segments.  */
1530   seg->next = segments;
1531   segments = seg;
1532   /* Historically, -Ttext and friends set the base address of a
1533      particular section.  For backwards compatibility, we still do
1534      that.  If a SEGMENT_START directive is seen, the section address
1535      assignment will be disabled.  */
1536   lang_section_start (section, exp_intop (val), seg);
1537 }
1538
1539 \f
1540 /* Print help messages for the options.  */
1541
1542 static void
1543 help (void)
1544 {
1545   unsigned i;
1546   const char **targets, **pp;
1547   int len;
1548
1549   printf (_("Usage: %s [options] file...\n"), program_name);
1550
1551   printf (_("Options:\n"));
1552   for (i = 0; i < OPTION_COUNT; i++)
1553     {
1554       if (ld_options[i].doc != NULL)
1555         {
1556           bfd_boolean comma;
1557           unsigned j;
1558
1559           printf ("  ");
1560
1561           comma = FALSE;
1562           len = 2;
1563
1564           j = i;
1565           do
1566             {
1567               if (ld_options[j].shortopt != '\0'
1568                   && ld_options[j].control != NO_HELP)
1569                 {
1570                   printf ("%s-%c", comma ? ", " : "", ld_options[j].shortopt);
1571                   len += (comma ? 2 : 0) + 2;
1572                   if (ld_options[j].arg != NULL)
1573                     {
1574                       if (ld_options[j].opt.has_arg != optional_argument)
1575                         {
1576                           printf (" ");
1577                           ++len;
1578                         }
1579                       printf ("%s", _(ld_options[j].arg));
1580                       len += strlen (_(ld_options[j].arg));
1581                     }
1582                   comma = TRUE;
1583                 }
1584               ++j;
1585             }
1586           while (j < OPTION_COUNT && ld_options[j].doc == NULL);
1587
1588           j = i;
1589           do
1590             {
1591               if (ld_options[j].opt.name != NULL
1592                   && ld_options[j].control != NO_HELP)
1593                 {
1594                   int two_dashes =
1595                     (ld_options[j].control == TWO_DASHES
1596                      || ld_options[j].control == EXACTLY_TWO_DASHES);
1597
1598                   printf ("%s-%s%s",
1599                           comma ? ", " : "",
1600                           two_dashes ? "-" : "",
1601                           ld_options[j].opt.name);
1602                   len += ((comma ? 2 : 0)
1603                           + 1
1604                           + (two_dashes ? 1 : 0)
1605                           + strlen (ld_options[j].opt.name));
1606                   if (ld_options[j].arg != NULL)
1607                     {
1608                       printf (" %s", _(ld_options[j].arg));
1609                       len += 1 + strlen (_(ld_options[j].arg));
1610                     }
1611                   comma = TRUE;
1612                 }
1613               ++j;
1614             }
1615           while (j < OPTION_COUNT && ld_options[j].doc == NULL);
1616
1617           if (len >= 30)
1618             {
1619               printf ("\n");
1620               len = 0;
1621             }
1622
1623           for (; len < 30; len++)
1624             putchar (' ');
1625
1626           printf ("%s\n", _(ld_options[i].doc));
1627         }
1628     }
1629   printf (_("  @FILE"));
1630   for (len = strlen ("  @FILE"); len < 30; len++)
1631     putchar (' ');
1632   printf (_("Read options from FILE\n"));
1633
1634   /* Note: Various tools (such as libtool) depend upon the
1635      format of the listings below - do not change them.  */
1636   /* xgettext:c-format */
1637   printf (_("%s: supported targets:"), program_name);
1638   targets = bfd_target_list ();
1639   for (pp = targets; *pp != NULL; pp++)
1640     printf (" %s", *pp);
1641   free (targets);
1642   printf ("\n");
1643
1644   /* xgettext:c-format */
1645   printf (_("%s: supported emulations: "), program_name);
1646   ldemul_list_emulations (stdout);
1647   printf ("\n");
1648
1649   /* xgettext:c-format */
1650   printf (_("%s: emulation specific options:\n"), program_name);
1651   ldemul_list_emulation_options (stdout);
1652   printf ("\n");
1653
1654   if (REPORT_BUGS_TO[0])
1655     printf (_("Report bugs to %s\n"), REPORT_BUGS_TO);
1656 }