ld/emultempl/elf.em

   1 # This shell script emits a C file. -*- C -*-
   2 # It does some substitutions.
   3 test -z "${ELFSIZE}" && ELFSIZE=32
   4 if [ -z "$MACHINE" ]; then
   5   OUTPUT_ARCH=${ARCH}
   6 else
   7   OUTPUT_ARCH=${ARCH}:${MACHINE}
   8 fi
   9 fragment <<EOF
  10 /* This file is is generated by a shell script.  DO NOT EDIT! */
  11
  12 /* ${ELFSIZE} bit ELF emulation code for ${EMULATION_NAME}
  13    Copyright (C) 1991-2019 Free Software Foundation, Inc.
  14    Written by Steve Chamberlain <sac@cygnus.com>
  15    ELF support by Ian Lance Taylor <ian@cygnus.com>
  16
  17    This file is part of the GNU Binutils.
  18
  19    This program is free software; you can redistribute it and/or modify
  20    it under the terms of the GNU General Public License as published by
  21    the Free Software Foundation; either version 3 of the License, or
  22    (at your option) any later version.
  23
  24    This program is distributed in the hope that it will be useful,
  25    but WITHOUT ANY WARRANTY; without even the implied warranty of
  26    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  27    GNU General Public License for more details.
  28
  29    You should have received a copy of the GNU General Public License
  30    along with this program; if not, write to the Free Software
  31    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  32    MA 02110-1301, USA.  */
  33
  34 #define TARGET_IS_${EMULATION_NAME}
  35
  36 #include "sysdep.h"
  37 #include "bfd.h"
  38 #include "libiberty.h"
  39 #include "getopt.h"
  40 #include "bfdlink.h"
  41 #include "ld.h"
  42 #include "ldmain.h"
  43 #include "ldmisc.h"
  44 #include "ldexp.h"
  45 #include "ldlang.h"
  46 #include "ldfile.h"
  47 #include "ldemul.h"
  48 #include <ldgram.h>
  49 #include "elf-bfd.h"
  50 #include "ldelf.h"
  51 #include "ldelfgen.h"
  52
  53 /* Declare functions used by various EXTRA_EM_FILEs.  */
  54 static void gld${EMULATION_NAME}_before_parse (void);
  55 static void gld${EMULATION_NAME}_after_open (void);
  56 static void gld${EMULATION_NAME}_before_allocation (void);
  57 static void gld${EMULATION_NAME}_after_allocation (void);
  58 EOF
  59
  60 # Import any needed special functions and/or overrides.
  61 #
  62 source_em ${srcdir}/emultempl/elf-generic.em
  63 if test -n "$EXTRA_EM_FILE" ; then
  64   source_em ${srcdir}/emultempl/${EXTRA_EM_FILE}.em
  65 fi
  66
  67 # Functions in this file can be overridden by setting the LDEMUL_* shell
  68 # variables.  If the name of the overriding function is the same as is
  69 # defined in this file, then don't output this file's version.
  70 # If a different overriding name is given then output the standard function
  71 # as presumably it is called from the overriding function.
  72 #
  73 if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then
  74 fragment <<EOF
  75
  76 static void
  77 gld${EMULATION_NAME}_before_parse (void)
  78 {
  79   ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
  80   input_flags.dynamic = ${DYNAMIC_LINK-TRUE};
  81   config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
  82   config.separate_code = `if test "x${SEPARATE_CODE}" = xyes ; then echo TRUE ; else echo FALSE ; fi`;
  83   link_info.check_relocs_after_open_input = TRUE;
  84   link_info.relro = DEFAULT_LD_Z_RELRO;
  85   link_info.separate_code = DEFAULT_LD_Z_SEPARATE_CODE;
  86 }
  87
  88 EOF
  89 fi
  90
  91 fragment <<EOF
  92
  93 /* These variables are used to implement target options */
  94
  95 static char *audit; /* colon (typically) separated list of libs */
  96 static char *depaudit; /* colon (typically) separated list of libs */
  97
  98 EOF
  99
 100 if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then
 101
 102   IS_LINUX_TARGET=FALSE
 103   IS_FREEBSD_TARGET=FALSE
 104   case ${target} in
 105     *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*)
 106       IS_LINUX_TARGET=TRUE ;;
 107     *-*-freebsd* | *-*-dragonfly*)
 108       IS_FREEBSD_TARGET=TRUE ;;
 109   esac
 110   IS_LIBPATH=FALSE
 111   if test "x${USE_LIBPATH}" = xyes; then
 112     IS_LIBPATH=TRUE
 113   fi
 114   IS_NATIVE=FALSE
 115   if test "x${NATIVE}" = xyes; then
 116     IS_NATIVE=TRUE
 117   fi
 118
 119 fragment <<EOF
 120
 121 /* This is called after all the input files have been opened.  */
 122
 123 static void
 124 gld${EMULATION_NAME}_after_open (void)
 125 {
 126   ldelf_after_open ($IS_LIBPATH, $IS_NATIVE,
 127                     $IS_LINUX_TARGET, $IS_FREEBSD_TARGET, $ELFSIZE);
 128 }
 129
 130 EOF
 131 fi
 132
 133 if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then
 134   if test x"${ELF_INTERPRETER_NAME}" = x; then
 135     ELF_INTERPRETER_NAME=NULL
 136   fi
 137 fragment <<EOF
 138
 139 /* This is called after the sections have been attached to output
 140    sections, but before any sizes or addresses have been set.  */
 141
 142 static void
 143 gld${EMULATION_NAME}_before_allocation (void)
 144 {
 145   ldelf_before_allocation (audit, depaudit, ${ELF_INTERPRETER_NAME});
 146 }
 147
 148 EOF
 149 fi
 150
 151 if test x"$LDEMUL_AFTER_ALLOCATION" != xgld"$EMULATION_NAME"_after_allocation; then
 152 fragment <<EOF
 153
 154 static void
 155 gld${EMULATION_NAME}_after_allocation (void)
 156 {
 157   int need_layout = bfd_elf_discard_info (link_info.output_bfd, &link_info);
 158
 159   if (need_layout < 0)
 160     einfo (_("%X%P: .eh_frame/.stab edit: %E\n"));
 161   else
 162     ldelf_map_segments (need_layout);
 163 }
 164 EOF
 165 fi
 166
 167 if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then
 168 fragment <<EOF
 169
 170 static char *
 171 gld${EMULATION_NAME}_get_script (int *isfile)
 172 EOF
 173
 174 if test x"$COMPILE_IN" = xyes
 175 then
 176 # Scripts compiled in.
 177
 178 # sed commands to quote an ld script as a C string.
 179 sc="-f stringify.sed"
 180
 181 fragment <<EOF
 182 {
 183   *isfile = 0;
 184
 185   if (bfd_link_relocatable (&link_info) && config.build_constructors)
 186     return
 187 EOF
 188 sed $sc ldscripts/${EMULATION_NAME}.xu                  >> e${EMULATION_NAME}.c
 189 echo '  ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c
 190 sed $sc ldscripts/${EMULATION_NAME}.xr                  >> e${EMULATION_NAME}.c
 191 echo '  ; else if (!config.text_read_only) return'      >> e${EMULATION_NAME}.c
 192 sed $sc ldscripts/${EMULATION_NAME}.xbn                 >> e${EMULATION_NAME}.c
 193 if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else
 194 echo '  ; else if (!config.magic_demand_paged) return'  >> e${EMULATION_NAME}.c
 195 sed $sc ldscripts/${EMULATION_NAME}.xn                  >> e${EMULATION_NAME}.c
 196 fi
 197 if test -n "$GENERATE_PIE_SCRIPT" ; then
 198 if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
 199 echo '  ; else if (bfd_link_pie (&link_info)'           >> e${EMULATION_NAME}.c
 200 echo '             && link_info.combreloc'              >> e${EMULATION_NAME}.c
 201 echo '             && link_info.separate_code'          >> e${EMULATION_NAME}.c
 202 echo '             && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
 203 sed $sc ldscripts/${EMULATION_NAME}.xdwe                >> e${EMULATION_NAME}.c
 204 echo '  ; else if (bfd_link_pie (&link_info)'           >> e${EMULATION_NAME}.c
 205 echo '             && link_info.combreloc'              >> e${EMULATION_NAME}.c
 206 echo '             && link_info.relro'                  >> e${EMULATION_NAME}.c
 207 echo '             && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
 208 sed $sc ldscripts/${EMULATION_NAME}.xdw                 >> e${EMULATION_NAME}.c
 209 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 210 echo '  ; else if (bfd_link_pie (&link_info)'          >> e${EMULATION_NAME}.c
 211 echo '             && link_info.combreloc'             >> e${EMULATION_NAME}.c
 212 echo '             && link_info.separate_code'         >> e${EMULATION_NAME}.c
 213 echo '             && link_info.relro) return'         >> e${EMULATION_NAME}.c
 214 sed $sc ldscripts/${EMULATION_NAME}.xdceo              >> e${EMULATION_NAME}.c
 215 fi
 216 echo '  ; else if (bfd_link_pie (&link_info)'           >> e${EMULATION_NAME}.c
 217 echo '             && link_info.separate_code'          >> e${EMULATION_NAME}.c
 218 echo '             && link_info.combreloc) return'      >> e${EMULATION_NAME}.c
 219 sed $sc ldscripts/${EMULATION_NAME}.xdce                >> e${EMULATION_NAME}.c
 220 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 221 echo '  ; else if (bfd_link_pie (&link_info)'          >> e${EMULATION_NAME}.c
 222 echo '             && link_info.combreloc'             >> e${EMULATION_NAME}.c
 223 echo '             && link_info.relro) return'         >> e${EMULATION_NAME}.c
 224 sed $sc ldscripts/${EMULATION_NAME}.xdco               >> e${EMULATION_NAME}.c
 225 fi
 226 echo '  ; else if (bfd_link_pie (&link_info)'           >> e${EMULATION_NAME}.c
 227 echo '             && link_info.combreloc) return'      >> e${EMULATION_NAME}.c
 228 sed $sc ldscripts/${EMULATION_NAME}.xdc                 >> e${EMULATION_NAME}.c
 229 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 230 echo '  ; else if (bfd_link_pie (&link_info)'          >> e${EMULATION_NAME}.c
 231 echo '             && link_info.separate_code'         >> e${EMULATION_NAME}.c
 232 echo '             && link_info.relro) return'         >> e${EMULATION_NAME}.c
 233 sed $sc ldscripts/${EMULATION_NAME}.xdeo               >> e${EMULATION_NAME}.c
 234 fi
 235 fi
 236 echo '  ; else if (bfd_link_pie (&link_info)'           >> e${EMULATION_NAME}.c
 237 echo '             && link_info.separate_code) return'  >> e${EMULATION_NAME}.c
 238 sed $sc ldscripts/${EMULATION_NAME}.xde                 >> e${EMULATION_NAME}.c
 239 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 240 echo '  ; else if (bfd_link_pie (&link_info)'          >> e${EMULATION_NAME}.c
 241 echo '             && link_info.relro) return'         >> e${EMULATION_NAME}.c
 242 sed $sc ldscripts/${EMULATION_NAME}.xdo                >> e${EMULATION_NAME}.c
 243 fi
 244 echo '  ; else if (bfd_link_pie (&link_info)) return'   >> e${EMULATION_NAME}.c
 245 sed $sc ldscripts/${EMULATION_NAME}.xd                  >> e${EMULATION_NAME}.c
 246 fi
 247 if test -n "$GENERATE_SHLIB_SCRIPT" ; then
 248 if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
 249 echo '  ; else if (bfd_link_dll (&link_info)'           >> e${EMULATION_NAME}.c
 250 echo '             && link_info.combreloc'              >> e${EMULATION_NAME}.c
 251 echo '             && link_info.separate_code'          >> e${EMULATION_NAME}.c
 252 echo '             && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
 253 sed $sc ldscripts/${EMULATION_NAME}.xswe                >> e${EMULATION_NAME}.c
 254 echo '  ; else if (bfd_link_dll (&link_info)'           >> e${EMULATION_NAME}.c
 255 echo '             && link_info.combreloc'              >> e${EMULATION_NAME}.c
 256 echo '             && link_info.relro'                  >> e${EMULATION_NAME}.c
 257 echo '             && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
 258 sed $sc ldscripts/${EMULATION_NAME}.xsw                 >> e${EMULATION_NAME}.c
 259 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 260 echo '  ; else if (bfd_link_dll (&link_info)'          >> e${EMULATION_NAME}.c
 261 echo '             && link_info.combreloc'             >> e${EMULATION_NAME}.c
 262 echo '             && link_info.separate_code'         >> e${EMULATION_NAME}.c
 263 echo '             && link_info.relro) return'         >> e${EMULATION_NAME}.c
 264 sed $sc ldscripts/${EMULATION_NAME}.xsceo              >> e${EMULATION_NAME}.c
 265 fi
 266 echo '  ; else if (bfd_link_dll (&link_info)'           >> e${EMULATION_NAME}.c
 267 echo '             && link_info.combreloc'              >> e${EMULATION_NAME}.c
 268 echo '             && link_info.separate_code) return'  >> e${EMULATION_NAME}.c
 269 sed $sc ldscripts/${EMULATION_NAME}.xsce                        >> e${EMULATION_NAME}.c
 270 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 271 echo '  ; else if (bfd_link_dll (&link_info)'          >> e${EMULATION_NAME}.c
 272 echo '             && link_info.combreloc'             >> e${EMULATION_NAME}.c
 273 echo '             && link_info.relro) return'         >> e${EMULATION_NAME}.c
 274 sed $sc ldscripts/${EMULATION_NAME}.xsco               >> e${EMULATION_NAME}.c
 275 fi
 276 echo '  ; else if (bfd_link_dll (&link_info)'           >> e${EMULATION_NAME}.c
 277 echo '             && link_info.combreloc) return'      >> e${EMULATION_NAME}.c
 278 sed $sc ldscripts/${EMULATION_NAME}.xsc                 >> e${EMULATION_NAME}.c
 279 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 280 echo '  ; else if (bfd_link_dll (&link_info)'          >> e${EMULATION_NAME}.c
 281 echo '             && link_info.separate_code'         >> e${EMULATION_NAME}.c
 282 echo '             && link_info.relro) return'         >> e${EMULATION_NAME}.c
 283 sed $sc ldscripts/${EMULATION_NAME}.xseo               >> e${EMULATION_NAME}.c
 284 fi
 285 fi
 286 echo '  ; else if (bfd_link_dll (&link_info)'           >> e${EMULATION_NAME}.c
 287 echo '             && link_info.separate_code) return'  >> e${EMULATION_NAME}.c
 288 sed $sc ldscripts/${EMULATION_NAME}.xse                 >> e${EMULATION_NAME}.c
 289 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 290 echo '  ; else if (bfd_link_dll (&link_info)'          >> e${EMULATION_NAME}.c
 291 echo '             && link_info.relro) return'         >> e${EMULATION_NAME}.c
 292 sed $sc ldscripts/${EMULATION_NAME}.xso               >> e${EMULATION_NAME}.c
 293 fi
 294 echo '  ; else if (bfd_link_dll (&link_info)) return'   >> e${EMULATION_NAME}.c
 295 sed $sc ldscripts/${EMULATION_NAME}.xs                  >> e${EMULATION_NAME}.c
 296 fi
 297 if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
 298 echo '  ; else if (link_info.combreloc'                 >> e${EMULATION_NAME}.c
 299 echo '             && link_info.separate_code'          >> e${EMULATION_NAME}.c
 300 echo '             && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
 301 sed $sc ldscripts/${EMULATION_NAME}.xwe                 >> e${EMULATION_NAME}.c
 302 echo '  ; else if (link_info.combreloc'                 >> e${EMULATION_NAME}.c
 303 echo '             && link_info.relro'                  >> e${EMULATION_NAME}.c
 304 echo '             && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
 305 sed $sc ldscripts/${EMULATION_NAME}.xw                  >> e${EMULATION_NAME}.c
 306 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 307 echo '  ; else if (link_info.combreloc'                 >> e${EMULATION_NAME}.c
 308 echo '             && link_info.separate_code'          >> e${EMULATION_NAME}.c
 309 echo '             && link_info.relro) return'          >> e${EMULATION_NAME}.c
 310 sed $sc ldscripts/${EMULATION_NAME}.xceo                >> e${EMULATION_NAME}.c
 311 fi
 312 echo '  ; else if (link_info.combreloc'                 >> e${EMULATION_NAME}.c
 313 echo '             && link_info.separate_code) return'  >> e${EMULATION_NAME}.c
 314 sed $sc ldscripts/${EMULATION_NAME}.xce                 >> e${EMULATION_NAME}.c
 315 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 316 echo '  ; else if (link_info.combreloc'                 >> e${EMULATION_NAME}.c
 317 echo '             && link_info.relro) return'          >> e${EMULATION_NAME}.c
 318 sed $sc ldscripts/${EMULATION_NAME}.xco                 >> e${EMULATION_NAME}.c
 319 fi
 320 echo '  ; else if (link_info.combreloc) return'         >> e${EMULATION_NAME}.c
 321 sed $sc ldscripts/${EMULATION_NAME}.xc                  >> e${EMULATION_NAME}.c
 322 fi
 323 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 324 echo '  ; else if (link_info.separate_code'             >> e${EMULATION_NAME}.c
 325 echo '             && link_info.relro) return'          >> e${EMULATION_NAME}.c
 326 sed $sc ldscripts/${EMULATION_NAME}.xeo                 >> e${EMULATION_NAME}.c
 327 fi
 328 echo '  ; else if (link_info.separate_code) return'     >> e${EMULATION_NAME}.c
 329 sed $sc ldscripts/${EMULATION_NAME}.xe                  >> e${EMULATION_NAME}.c
 330 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 331 echo '  ; else if (link_info.relro) return'             >> e${EMULATION_NAME}.c
 332 sed $sc ldscripts/${EMULATION_NAME}.xo                  >> e${EMULATION_NAME}.c
 333 fi
 334 echo '  ; else return'                                  >> e${EMULATION_NAME}.c
 335 sed $sc ldscripts/${EMULATION_NAME}.x                   >> e${EMULATION_NAME}.c
 336 echo '; }'                                              >> e${EMULATION_NAME}.c
 337
 338 else
 339 # Scripts read from the filesystem.
 340
 341 fragment <<EOF
 342 {
 343   *isfile = 1;
 344
 345   if (bfd_link_relocatable (&link_info) && config.build_constructors)
 346     return "ldscripts/${EMULATION_NAME}.xu";
 347   else if (bfd_link_relocatable (&link_info))
 348     return "ldscripts/${EMULATION_NAME}.xr";
 349   else if (!config.text_read_only)
 350     return "ldscripts/${EMULATION_NAME}.xbn";
 351 EOF
 352 if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then :
 353 else
 354 fragment <<EOF
 355   else if (!config.magic_demand_paged)
 356     return "ldscripts/${EMULATION_NAME}.xn";
 357 EOF
 358 fi
 359 if test -n "$GENERATE_PIE_SCRIPT" ; then
 360 if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
 361 fragment <<EOF
 362   else if (bfd_link_pie (&link_info)
 363            && link_info.combreloc
 364            && link_info.relro
 365            && (link_info.flags & DF_BIND_NOW))
 366     {
 367       if (link_info.separate_code)
 368         return "ldscripts/${EMULATION_NAME}.xdwe";
 369       else
 370         return "ldscripts/${EMULATION_NAME}.xdw";
 371     }
 372 EOF
 373 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 374 fragment <<EOF
 375   else if (bfd_link_pie (&link_info)
 376            && link_info.combreloc
 377            && link_info.relro)
 378     {
 379       if (link_info.separate_code)
 380         return "ldscripts/${EMULATION_NAME}.xdceo";
 381       else
 382         return "ldscripts/${EMULATION_NAME}.xdco";
 383     }
 384 EOF
 385 fi
 386 fragment <<EOF
 387   else if (bfd_link_pie (&link_info)
 388            && link_info.combreloc)
 389     {
 390       if (link_info.separate_code)
 391         return "ldscripts/${EMULATION_NAME}.xdce";
 392       else
 393         return "ldscripts/${EMULATION_NAME}.xdc";
 394     }
 395 EOF
 396 fi
 397 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 398 fragment <<EOF
 399   else if (bfd_link_pie (&link_info)
 400            && link_info.relro)
 401     {
 402       if (link_info.separate_code)
 403         return "ldscripts/${EMULATION_NAME}.xdeo";
 404       else
 405         return "ldscripts/${EMULATION_NAME}.xdo";
 406     }
 407 EOF
 408 fi
 409 fragment <<EOF
 410   else if (bfd_link_pie (&link_info))
 411     {
 412       if (link_info.separate_code)
 413         return "ldscripts/${EMULATION_NAME}.xde";
 414       else
 415         return "ldscripts/${EMULATION_NAME}.xd";
 416     }
 417 EOF
 418 fi
 419 if test -n "$GENERATE_SHLIB_SCRIPT" ; then
 420 if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
 421 fragment <<EOF
 422   else if (bfd_link_dll (&link_info) && link_info.combreloc
 423            && link_info.relro && (link_info.flags & DF_BIND_NOW))
 424     {
 425       if (link_info.separate_code)
 426         return "ldscripts/${EMULATION_NAME}.xswe";
 427       else
 428         return "ldscripts/${EMULATION_NAME}.xsw";
 429     }
 430 EOF
 431 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 432 fragment <<EOF
 433   else if (bfd_link_dll (&link_info)
 434            && link_info.combreloc
 435            && link_info.relro)
 436     {
 437       if (link_info.separate_code)
 438         return "ldscripts/${EMULATION_NAME}.xsceo";
 439       else
 440         return "ldscripts/${EMULATION_NAME}.xsco";
 441     }
 442 EOF
 443 fi
 444 fragment <<EOF
 445   else if (bfd_link_dll (&link_info) && link_info.combreloc)
 446     {
 447       if (link_info.separate_code)
 448         return "ldscripts/${EMULATION_NAME}.xsce";
 449       else
 450         return "ldscripts/${EMULATION_NAME}.xsc";
 451     }
 452 EOF
 453 fi
 454 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 455 fragment <<EOF
 456   else if (bfd_link_dll (&link_info)
 457            && link_info.relro)
 458     {
 459       if (link_info.separate_code)
 460         return "ldscripts/${EMULATION_NAME}.xseo";
 461       else
 462         return "ldscripts/${EMULATION_NAME}.xso";
 463     }
 464 EOF
 465 fi
 466 fragment <<EOF
 467   else if (bfd_link_dll (&link_info))
 468     {
 469       if (link_info.separate_code)
 470         return "ldscripts/${EMULATION_NAME}.xse";
 471       else
 472         return "ldscripts/${EMULATION_NAME}.xs";
 473     }
 474 EOF
 475 fi
 476 if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
 477 fragment <<EOF
 478   else if (link_info.combreloc && link_info.relro
 479            && (link_info.flags & DF_BIND_NOW))
 480     {
 481       if (link_info.separate_code)
 482         return "ldscripts/${EMULATION_NAME}.xwe";
 483       else
 484         return "ldscripts/${EMULATION_NAME}.xw";
 485     }
 486 EOF
 487 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 488 fragment <<EOF
 489   else if (link_info.combreloc
 490            && link_info.relro)
 491     {
 492       if (link_info.separate_code)
 493         return "ldscripts/${EMULATION_NAME}.xceo";
 494       else
 495         return "ldscripts/${EMULATION_NAME}.xco";
 496     }
 497 EOF
 498 fi
 499 fragment <<EOF
 500   else if (link_info.combreloc)
 501     {
 502       if (link_info.separate_code)
 503         return "ldscripts/${EMULATION_NAME}.xce";
 504       else
 505         return "ldscripts/${EMULATION_NAME}.xc";
 506     }
 507 EOF
 508 fi
 509 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 510 fragment <<EOF
 511   else if (link_info.relro)
 512     {
 513       if (link_info.separate_code)
 514         return "ldscripts/${EMULATION_NAME}.xeo";
 515       else
 516         return "ldscripts/${EMULATION_NAME}.xo";
 517     }
 518 EOF
 519 fi
 520 fragment <<EOF
 521   else
 522     {
 523       if (link_info.separate_code)
 524         return "ldscripts/${EMULATION_NAME}.xe";
 525       else
 526         return "ldscripts/${EMULATION_NAME}.x";
 527     }
 528 }
 529
 530 EOF
 531 fi
 532 fi
 533
 534 if test -n "$PARSE_AND_LIST_PROLOGUE" ; then
 535 fragment <<EOF
 536  $PARSE_AND_LIST_PROLOGUE
 537 EOF
 538 fi
 539
 540 fragment <<EOF
 541
 542 enum elf_options
 543 {
 544   OPTION_DISABLE_NEW_DTAGS = 400,
 545   OPTION_ENABLE_NEW_DTAGS,
 546   OPTION_GROUP,
 547   OPTION_EH_FRAME_HDR,
 548   OPTION_NO_EH_FRAME_HDR,
 549   OPTION_EXCLUDE_LIBS,
 550   OPTION_HASH_STYLE,
 551   OPTION_BUILD_ID,
 552   OPTION_AUDIT,
 553   OPTION_COMPRESS_DEBUG
 554 };
 555
 556 static void
 557 gld${EMULATION_NAME}_add_options
 558   (int ns, char **shortopts, int nl, struct option **longopts,
 559    int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED)
 560 {
 561 EOF
 562 if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
 563 fragment <<EOF
 564   static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:P:";
 565 EOF
 566 else
 567 fragment <<EOF
 568   static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:";
 569 EOF
 570 fi
 571 fragment <<EOF
 572   static const struct option xtra_long[] = {
 573 EOF
 574 if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
 575 fragment <<EOF
 576     {"audit", required_argument, NULL, OPTION_AUDIT},
 577     {"Bgroup", no_argument, NULL, OPTION_GROUP},
 578 EOF
 579 fi
 580 fragment <<EOF
 581     {"build-id", optional_argument, NULL, OPTION_BUILD_ID},
 582     {"compress-debug-sections", required_argument, NULL, OPTION_COMPRESS_DEBUG},
 583 EOF
 584 if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
 585 fragment <<EOF
 586     {"depaudit", required_argument, NULL, 'P'},
 587     {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS},
 588     {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS},
 589     {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR},
 590     {"no-eh-frame-hdr", no_argument, NULL, OPTION_NO_EH_FRAME_HDR},
 591     {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
 592     {"hash-style", required_argument, NULL, OPTION_HASH_STYLE},
 593 EOF
 594 fi
 595 if test -n "$PARSE_AND_LIST_LONGOPTS" ; then
 596 fragment <<EOF
 597     $PARSE_AND_LIST_LONGOPTS
 598 EOF
 599 fi
 600 fragment <<EOF
 601     {NULL, no_argument, NULL, 0}
 602   };
 603
 604   *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short));
 605   memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short));
 606   *longopts = (struct option *)
 607     xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
 608   memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
 609 }
 610
 611 #define DEFAULT_BUILD_ID_STYLE  "sha1"
 612
 613 static bfd_boolean
 614 gld${EMULATION_NAME}_handle_option (int optc)
 615 {
 616   switch (optc)
 617     {
 618     default:
 619       return FALSE;
 620
 621     case OPTION_BUILD_ID:
 622       if (ldelf_emit_note_gnu_build_id != NULL)
 623         {
 624           free ((char *) ldelf_emit_note_gnu_build_id);
 625           ldelf_emit_note_gnu_build_id = NULL;
 626         }
 627       if (optarg == NULL)
 628         optarg = DEFAULT_BUILD_ID_STYLE;
 629       if (strcmp (optarg, "none"))
 630         ldelf_emit_note_gnu_build_id = xstrdup (optarg);
 631       break;
 632
 633     case OPTION_COMPRESS_DEBUG:
 634       if (strcasecmp (optarg, "none") == 0)
 635         link_info.compress_debug = COMPRESS_DEBUG_NONE;
 636       else if (strcasecmp (optarg, "zlib") == 0)
 637         link_info.compress_debug = COMPRESS_DEBUG_GABI_ZLIB;
 638       else if (strcasecmp (optarg, "zlib-gnu") == 0)
 639         link_info.compress_debug = COMPRESS_DEBUG_GNU_ZLIB;
 640       else if (strcasecmp (optarg, "zlib-gabi") == 0)
 641         link_info.compress_debug = COMPRESS_DEBUG_GABI_ZLIB;
 642       else
 643         einfo (_("%F%P: invalid --compress-debug-sections option: \`%s'\n"),
 644                optarg);
 645       break;
 646 EOF
 647
 648 if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
 649 fragment <<EOF
 650     case OPTION_AUDIT:
 651         ldelf_append_to_separated_string (&audit, optarg);
 652         break;
 653
 654     case 'P':
 655         ldelf_append_to_separated_string (&depaudit, optarg);
 656         break;
 657
 658     case OPTION_DISABLE_NEW_DTAGS:
 659       link_info.new_dtags = FALSE;
 660       break;
 661
 662     case OPTION_ENABLE_NEW_DTAGS:
 663       link_info.new_dtags = TRUE;
 664       break;
 665
 666     case OPTION_EH_FRAME_HDR:
 667       link_info.eh_frame_hdr_type = DWARF2_EH_HDR;
 668       break;
 669
 670     case OPTION_NO_EH_FRAME_HDR:
 671       link_info.eh_frame_hdr_type = 0;
 672       break;
 673
 674     case OPTION_GROUP:
 675       link_info.flags_1 |= (bfd_vma) DF_1_GROUP;
 676       /* Groups must be self-contained.  */
 677       link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
 678       link_info.unresolved_syms_in_shared_libs = RM_GENERATE_ERROR;
 679       break;
 680
 681     case OPTION_EXCLUDE_LIBS:
 682       add_excluded_libs (optarg);
 683       break;
 684
 685     case OPTION_HASH_STYLE:
 686       link_info.emit_hash = FALSE;
 687       link_info.emit_gnu_hash = FALSE;
 688       if (strcmp (optarg, "sysv") == 0)
 689         link_info.emit_hash = TRUE;
 690       else if (strcmp (optarg, "gnu") == 0)
 691         link_info.emit_gnu_hash = TRUE;
 692       else if (strcmp (optarg, "both") == 0)
 693         {
 694           link_info.emit_hash = TRUE;
 695           link_info.emit_gnu_hash = TRUE;
 696         }
 697       else
 698         einfo (_("%F%P: invalid hash style \`%s'\n"), optarg);
 699       break;
 700
 701 EOF
 702 fi
 703 fragment <<EOF
 704     case 'z':
 705       if (strcmp (optarg, "defs") == 0)
 706         link_info.unresolved_syms_in_objects = RM_GENERATE_ERROR;
 707       else if (strcmp (optarg, "undefs") == 0)
 708         link_info.unresolved_syms_in_objects = RM_IGNORE;
 709       else if (strcmp (optarg, "muldefs") == 0)
 710         link_info.allow_multiple_definition = TRUE;
 711       else if (CONST_STRNEQ (optarg, "max-page-size="))
 712         {
 713           char *end;
 714
 715           config.maxpagesize = strtoul (optarg + 14, &end, 0);
 716           if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0)
 717             einfo (_("%F%P: invalid maximum page size \`%s'\n"),
 718                    optarg + 14);
 719         }
 720       else if (CONST_STRNEQ (optarg, "common-page-size="))
 721         {
 722           char *end;
 723           config.commonpagesize = strtoul (optarg + 17, &end, 0);
 724           if (*end
 725               || (config.commonpagesize & (config.commonpagesize - 1)) != 0)
 726             einfo (_("%F%P: invalid common page size \`%s'\n"),
 727                    optarg + 17);
 728         }
 729       else if (CONST_STRNEQ (optarg, "stack-size="))
 730         {
 731           char *end;
 732           link_info.stacksize = strtoul (optarg + 11, &end, 0);
 733           if (*end || link_info.stacksize < 0)
 734             einfo (_("%F%P: invalid stack size \`%s'\n"), optarg + 11);
 735           if (!link_info.stacksize)
 736             /* Use -1 for explicit no-stack, because zero means
 737                'default'.   */
 738             link_info.stacksize = -1;
 739         }
 740       else if (strcmp (optarg, "execstack") == 0)
 741         {
 742           link_info.execstack = TRUE;
 743           link_info.noexecstack = FALSE;
 744         }
 745       else if (strcmp (optarg, "noexecstack") == 0)
 746         {
 747           link_info.noexecstack = TRUE;
 748           link_info.execstack = FALSE;
 749         }
 750       else if (strcmp (optarg, "globalaudit") == 0)
 751         {
 752           link_info.flags_1 |= DF_1_GLOBAUDIT;
 753         }
 754 EOF
 755
 756 if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
 757 fragment <<EOF
 758       else if (strcmp (optarg, "global") == 0)
 759         link_info.flags_1 |= (bfd_vma) DF_1_GLOBAL;
 760       else if (strcmp (optarg, "initfirst") == 0)
 761         link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST;
 762       else if (strcmp (optarg, "interpose") == 0)
 763         link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE;
 764       else if (strcmp (optarg, "loadfltr") == 0)
 765         link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR;
 766       else if (strcmp (optarg, "nodefaultlib") == 0)
 767         link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB;
 768       else if (strcmp (optarg, "nodelete") == 0)
 769         link_info.flags_1 |= (bfd_vma) DF_1_NODELETE;
 770       else if (strcmp (optarg, "nodlopen") == 0)
 771         link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN;
 772       else if (strcmp (optarg, "nodump") == 0)
 773         link_info.flags_1 |= (bfd_vma) DF_1_NODUMP;
 774       else if (strcmp (optarg, "now") == 0)
 775         {
 776           link_info.flags |= (bfd_vma) DF_BIND_NOW;
 777           link_info.flags_1 |= (bfd_vma) DF_1_NOW;
 778         }
 779       else if (strcmp (optarg, "lazy") == 0)
 780         {
 781           link_info.flags &= ~(bfd_vma) DF_BIND_NOW;
 782           link_info.flags_1 &= ~(bfd_vma) DF_1_NOW;
 783         }
 784       else if (strcmp (optarg, "origin") == 0)
 785         {
 786           link_info.flags |= (bfd_vma) DF_ORIGIN;
 787           link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN;
 788         }
 789       else if (strcmp (optarg, "combreloc") == 0)
 790         link_info.combreloc = TRUE;
 791       else if (strcmp (optarg, "nocombreloc") == 0)
 792         link_info.combreloc = FALSE;
 793       else if (strcmp (optarg, "nocopyreloc") == 0)
 794         link_info.nocopyreloc = TRUE;
 795       else if (strcmp (optarg, "relro") == 0)
 796         link_info.relro = TRUE;
 797       else if (strcmp (optarg, "norelro") == 0)
 798         link_info.relro = FALSE;
 799       else if (strcmp (optarg, "separate-code") == 0)
 800         link_info.separate_code = TRUE;
 801       else if (strcmp (optarg, "noseparate-code") == 0)
 802         link_info.separate_code = FALSE;
 803       else if (strcmp (optarg, "common") == 0)
 804         link_info.elf_stt_common = elf_stt_common;
 805       else if (strcmp (optarg, "nocommon") == 0)
 806         link_info.elf_stt_common = no_elf_stt_common;
 807       else if (strcmp (optarg, "text") == 0)
 808         link_info.error_textrel = TRUE;
 809       else if (strcmp (optarg, "notext") == 0)
 810         link_info.error_textrel = FALSE;
 811       else if (strcmp (optarg, "textoff") == 0)
 812         link_info.error_textrel = FALSE;
 813 EOF
 814 fi
 815
 816 if test -n "$PARSE_AND_LIST_ARGS_CASE_Z" ; then
 817 fragment <<EOF
 818  $PARSE_AND_LIST_ARGS_CASE_Z
 819 EOF
 820 fi
 821
 822 fragment <<EOF
 823       else
 824         einfo (_("%P: warning: -z %s ignored\n"), optarg);
 825       break;
 826 EOF
 827
 828 if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then
 829 fragment <<EOF
 830  $PARSE_AND_LIST_ARGS_CASES
 831 EOF
 832 fi
 833
 834 fragment <<EOF
 835     }
 836
 837   return TRUE;
 838 }
 839
 840 EOF
 841
 842 if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
 843 gld_list_options="gld${EMULATION_NAME}_list_options"
 844 if test -n "$PARSE_AND_LIST_OPTIONS"; then
 845 fragment <<EOF
 846
 847 static void
 848 gld${EMULATION_NAME}_list_options (FILE * file)
 849 {
 850 EOF
 851
 852 if test -n "$PARSE_AND_LIST_OPTIONS" ; then
 853 fragment <<EOF
 854  $PARSE_AND_LIST_OPTIONS
 855 EOF
 856 fi
 857
 858 fragment <<EOF
 859 }
 860 EOF
 861 else
 862   gld_list_options="NULL"
 863 fi
 864
 865 if test -n "$PARSE_AND_LIST_EPILOGUE" ; then
 866 fragment <<EOF
 867  $PARSE_AND_LIST_EPILOGUE
 868 EOF
 869 fi
 870 fi
 871
 872 fragment <<EOF
 873
 874 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
 875 {
 876   ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse},
 877   ${LDEMUL_SYSLIB-syslib_default},
 878   ${LDEMUL_HLL-hll_default},
 879   ${LDEMUL_AFTER_PARSE-ldelf_after_parse},
 880   ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open},
 881   ${LDEMUL_AFTER_CHECK_RELOCS-after_check_relocs_default},
 882   ${LDEMUL_AFTER_ALLOCATION-gld${EMULATION_NAME}_after_allocation},
 883   ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default},
 884   ${LDEMUL_CHOOSE_TARGET-ldemul_default_target},
 885   ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation},
 886   ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script},
 887   "${EMULATION_NAME}",
 888   "${OUTPUT_FORMAT}",
 889   ${LDEMUL_FINISH-finish_default},
 890   ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL},
 891   ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-ldelf_open_dynamic_archive},
 892   ${LDEMUL_PLACE_ORPHAN-ldelf_place_orphan},
 893   ${LDEMUL_SET_SYMBOLS-NULL},
 894   ${LDEMUL_PARSE_ARGS-NULL},
 895   gld${EMULATION_NAME}_add_options,
 896   gld${EMULATION_NAME}_handle_option,
 897   ${LDEMUL_UNRECOGNIZED_FILE-NULL},
 898   ${LDEMUL_LIST_OPTIONS-${gld_list_options}},
 899   ${LDEMUL_RECOGNIZED_FILE-ldelf_load_symbols},
 900   ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL},
 901   ${LDEMUL_NEW_VERS_PATTERN-NULL},
 902   ${LDEMUL_EXTRA_MAP_FILE_TEXT-NULL}
 903 };
 904 EOF