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 ${EMULATION_NAME}
  13    Copyright (C) 1991-2020 Free Software Foundation, Inc.
  14    Written by Steve Chamberlain <sac@cygnus.com>
  15    ELF support by Ian Lance Taylor <ian@cygnus.com>
  16
  17    This file is part of the GNU Binutils.
  18
  19    This program is free software; you can redistribute it and/or modify
  20    it under the terms of the GNU General Public License as published by
  21    the Free Software Foundation; either version 3 of the License, or
  22    (at your option) any later version.
  23
  24    This program is distributed in the hope that it will be useful,
  25    but WITHOUT ANY WARRANTY; without even the implied warranty of
  26    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  27    GNU General Public License for more details.
  28
  29    You should have received a copy of the GNU General Public License
  30    along with this program; if not, write to the Free Software
  31    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  32    MA 02110-1301, USA.  */
  33
  34 #define TARGET_IS_${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 "ctf-api.h"
  42 #include "ld.h"
  43 #include "ldmain.h"
  44 #include "ldmisc.h"
  45 #include "ldexp.h"
  46 #include "ldlang.h"
  47 #include "ldfile.h"
  48 #include "ldemul.h"
  49 #include <ldgram.h>
  50 #include "elf-bfd.h"
  51 #include "ldelf.h"
  52 #include "ldelfgen.h"
  53
  54 /* Declare functions used by various EXTRA_EM_FILEs.  */
  55 static void gld${EMULATION_NAME}_before_parse (void);
  56 static void gld${EMULATION_NAME}_after_open (void);
  57 static void gld${EMULATION_NAME}_before_allocation (void);
  58 static void gld${EMULATION_NAME}_after_allocation (void);
  59 EOF
  60
  61 # Import any needed special functions and/or overrides.
  62 #
  63 source_em ${srcdir}/emultempl/elf-generic.em
  64 if test -n "$EXTRA_EM_FILE" ; then
  65   source_em ${srcdir}/emultempl/${EXTRA_EM_FILE}.em
  66 fi
  67
  68 # Functions in this file can be overridden by setting the LDEMUL_* shell
  69 # variables.  If the name of the overriding function is the same as is
  70 # defined in this file, then don't output this file's version.
  71 # If a different overriding name is given then output the standard function
  72 # as presumably it is called from the overriding function.
  73 #
  74 if test x"$LDEMUL_BEFORE_PARSE" != xgld"$EMULATION_NAME"_before_parse; then
  75 fragment <<EOF
  76
  77 static void
  78 gld${EMULATION_NAME}_before_parse (void)
  79 {
  80   ldfile_set_output_arch ("${OUTPUT_ARCH}", bfd_arch_`echo ${ARCH} | sed -e 's/:.*//'`);
  81   input_flags.dynamic = ${DYNAMIC_LINK-TRUE};
  82   config.has_shared = `if test -n "$GENERATE_SHLIB_SCRIPT" ; then echo TRUE ; else echo FALSE ; fi`;
  83   config.separate_code = `if test "x${SEPARATE_CODE}" = xyes ; then echo TRUE ; else echo FALSE ; fi`;
  84   link_info.check_relocs_after_open_input = TRUE;
  85 EOF
  86 if test -n "$COMMONPAGESIZE"; then
  87 fragment <<EOF
  88   link_info.relro = DEFAULT_LD_Z_RELRO;
  89 EOF
  90 fi
  91 fragment <<EOF
  92   link_info.separate_code = DEFAULT_LD_Z_SEPARATE_CODE;
  93 }
  94
  95 EOF
  96 fi
  97
  98 fragment <<EOF
  99
 100 /* These variables are used to implement target options */
 101
 102 static char *audit; /* colon (typically) separated list of libs */
 103 static char *depaudit; /* colon (typically) separated list of libs */
 104
 105 EOF
 106
 107 if test x"$LDEMUL_AFTER_OPEN" != xgld"$EMULATION_NAME"_after_open; then
 108
 109   IS_LINUX_TARGET=FALSE
 110   IS_FREEBSD_TARGET=FALSE
 111   case ${target} in
 112     *-*-linux-* | *-*-k*bsd*-* | *-*-gnu*)
 113       IS_LINUX_TARGET=TRUE ;;
 114     *-*-freebsd* | *-*-dragonfly*)
 115       IS_FREEBSD_TARGET=TRUE ;;
 116   esac
 117   IS_LIBPATH=FALSE
 118   if test "x${USE_LIBPATH}" = xyes; then
 119     IS_LIBPATH=TRUE
 120   fi
 121   IS_NATIVE=FALSE
 122   if test "x${NATIVE}" = xyes; then
 123     IS_NATIVE=TRUE
 124   fi
 125
 126 fragment <<EOF
 127
 128 /* This is called after all the input files have been opened.  */
 129
 130 static void
 131 gld${EMULATION_NAME}_after_open (void)
 132 {
 133   ldelf_after_open ($IS_LIBPATH, $IS_NATIVE,
 134                     $IS_LINUX_TARGET, $IS_FREEBSD_TARGET, $ELFSIZE, "$prefix");
 135 }
 136
 137 EOF
 138 fi
 139
 140 if test x"$LDEMUL_BEFORE_ALLOCATION" != xgld"$EMULATION_NAME"_before_allocation; then
 141   if test x"${ELF_INTERPRETER_NAME}" = x; then
 142     ELF_INTERPRETER_NAME=NULL
 143   fi
 144 fragment <<EOF
 145
 146 /* This is called after the sections have been attached to output
 147    sections, but before any sizes or addresses have been set.  */
 148
 149 static void
 150 gld${EMULATION_NAME}_before_allocation (void)
 151 {
 152   ldelf_before_allocation (audit, depaudit, ${ELF_INTERPRETER_NAME});
 153 }
 154
 155 EOF
 156 fi
 157
 158 if test x"$LDEMUL_AFTER_ALLOCATION" != xgld"$EMULATION_NAME"_after_allocation; then
 159 fragment <<EOF
 160
 161 static void
 162 gld${EMULATION_NAME}_after_allocation (void)
 163 {
 164   int need_layout = bfd_elf_discard_info (link_info.output_bfd, &link_info);
 165
 166   if (need_layout < 0)
 167     einfo (_("%X%P: .eh_frame/.stab edit: %E\n"));
 168   else
 169     ldelf_map_segments (need_layout);
 170 }
 171 EOF
 172 fi
 173
 174 if test x"$LDEMUL_GET_SCRIPT" != xgld"$EMULATION_NAME"_get_script; then
 175 fragment <<EOF
 176
 177 static char *
 178 gld${EMULATION_NAME}_get_script (int *isfile)
 179 EOF
 180
 181 if test x"$COMPILE_IN" = xyes
 182 then
 183 # Scripts compiled in.
 184
 185 # sed commands to quote an ld script as a C string.
 186 sc="-f stringify.sed"
 187
 188 fragment <<EOF
 189 {
 190   *isfile = 0;
 191
 192   if (bfd_link_relocatable (&link_info) && config.build_constructors)
 193     return
 194 EOF
 195 sed $sc ldscripts/${EMULATION_NAME}.xu                  >> e${EMULATION_NAME}.c
 196 echo '  ; else if (bfd_link_relocatable (&link_info)) return' >> e${EMULATION_NAME}.c
 197 sed $sc ldscripts/${EMULATION_NAME}.xr                  >> e${EMULATION_NAME}.c
 198 echo '  ; else if (!config.text_read_only) return'      >> e${EMULATION_NAME}.c
 199 sed $sc ldscripts/${EMULATION_NAME}.xbn                 >> e${EMULATION_NAME}.c
 200 if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then : ; else
 201 echo '  ; else if (!config.magic_demand_paged) return'  >> e${EMULATION_NAME}.c
 202 sed $sc ldscripts/${EMULATION_NAME}.xn                  >> e${EMULATION_NAME}.c
 203 fi
 204 if test -n "$GENERATE_PIE_SCRIPT" ; then
 205 if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
 206 echo '  ; else if (bfd_link_pie (&link_info)'           >> e${EMULATION_NAME}.c
 207 echo '             && link_info.combreloc'              >> e${EMULATION_NAME}.c
 208 echo '             && link_info.separate_code'          >> e${EMULATION_NAME}.c
 209 echo '             && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
 210 sed $sc ldscripts/${EMULATION_NAME}.xdwe                >> e${EMULATION_NAME}.c
 211 echo '  ; else if (bfd_link_pie (&link_info)'           >> e${EMULATION_NAME}.c
 212 echo '             && link_info.combreloc'              >> e${EMULATION_NAME}.c
 213 echo '             && link_info.relro'                  >> e${EMULATION_NAME}.c
 214 echo '             && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
 215 sed $sc ldscripts/${EMULATION_NAME}.xdw                 >> e${EMULATION_NAME}.c
 216 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 217 echo '  ; else if (bfd_link_pie (&link_info)'          >> e${EMULATION_NAME}.c
 218 echo '             && link_info.combreloc'             >> e${EMULATION_NAME}.c
 219 echo '             && link_info.separate_code'         >> e${EMULATION_NAME}.c
 220 echo '             && link_info.relro) return'         >> e${EMULATION_NAME}.c
 221 sed $sc ldscripts/${EMULATION_NAME}.xdceo              >> e${EMULATION_NAME}.c
 222 fi
 223 echo '  ; else if (bfd_link_pie (&link_info)'           >> e${EMULATION_NAME}.c
 224 echo '             && link_info.separate_code'          >> e${EMULATION_NAME}.c
 225 echo '             && link_info.combreloc) return'      >> e${EMULATION_NAME}.c
 226 sed $sc ldscripts/${EMULATION_NAME}.xdce                >> e${EMULATION_NAME}.c
 227 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 228 echo '  ; else if (bfd_link_pie (&link_info)'          >> e${EMULATION_NAME}.c
 229 echo '             && link_info.combreloc'             >> e${EMULATION_NAME}.c
 230 echo '             && link_info.relro) return'         >> e${EMULATION_NAME}.c
 231 sed $sc ldscripts/${EMULATION_NAME}.xdco               >> e${EMULATION_NAME}.c
 232 fi
 233 echo '  ; else if (bfd_link_pie (&link_info)'           >> e${EMULATION_NAME}.c
 234 echo '             && link_info.combreloc) return'      >> e${EMULATION_NAME}.c
 235 sed $sc ldscripts/${EMULATION_NAME}.xdc                 >> e${EMULATION_NAME}.c
 236 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 237 echo '  ; else if (bfd_link_pie (&link_info)'          >> e${EMULATION_NAME}.c
 238 echo '             && link_info.separate_code'         >> e${EMULATION_NAME}.c
 239 echo '             && link_info.relro) return'         >> e${EMULATION_NAME}.c
 240 sed $sc ldscripts/${EMULATION_NAME}.xdeo               >> e${EMULATION_NAME}.c
 241 fi
 242 fi
 243 echo '  ; else if (bfd_link_pie (&link_info)'           >> e${EMULATION_NAME}.c
 244 echo '             && link_info.separate_code) return'  >> e${EMULATION_NAME}.c
 245 sed $sc ldscripts/${EMULATION_NAME}.xde                 >> e${EMULATION_NAME}.c
 246 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 247 echo '  ; else if (bfd_link_pie (&link_info)'          >> e${EMULATION_NAME}.c
 248 echo '             && link_info.relro) return'         >> e${EMULATION_NAME}.c
 249 sed $sc ldscripts/${EMULATION_NAME}.xdo                >> e${EMULATION_NAME}.c
 250 fi
 251 echo '  ; else if (bfd_link_pie (&link_info)) return'   >> e${EMULATION_NAME}.c
 252 sed $sc ldscripts/${EMULATION_NAME}.xd                  >> e${EMULATION_NAME}.c
 253 fi
 254 if test -n "$GENERATE_SHLIB_SCRIPT" ; then
 255 if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
 256 echo '  ; else if (bfd_link_dll (&link_info)'           >> e${EMULATION_NAME}.c
 257 echo '             && link_info.combreloc'              >> e${EMULATION_NAME}.c
 258 echo '             && link_info.separate_code'          >> e${EMULATION_NAME}.c
 259 echo '             && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
 260 sed $sc ldscripts/${EMULATION_NAME}.xswe                >> e${EMULATION_NAME}.c
 261 echo '  ; else if (bfd_link_dll (&link_info)'           >> e${EMULATION_NAME}.c
 262 echo '             && link_info.combreloc'              >> e${EMULATION_NAME}.c
 263 echo '             && link_info.relro'                  >> e${EMULATION_NAME}.c
 264 echo '             && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
 265 sed $sc ldscripts/${EMULATION_NAME}.xsw                 >> e${EMULATION_NAME}.c
 266 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 267 echo '  ; else if (bfd_link_dll (&link_info)'          >> e${EMULATION_NAME}.c
 268 echo '             && link_info.combreloc'             >> e${EMULATION_NAME}.c
 269 echo '             && link_info.separate_code'         >> e${EMULATION_NAME}.c
 270 echo '             && link_info.relro) return'         >> e${EMULATION_NAME}.c
 271 sed $sc ldscripts/${EMULATION_NAME}.xsceo              >> e${EMULATION_NAME}.c
 272 fi
 273 echo '  ; else if (bfd_link_dll (&link_info)'           >> e${EMULATION_NAME}.c
 274 echo '             && link_info.combreloc'              >> e${EMULATION_NAME}.c
 275 echo '             && link_info.separate_code) return'  >> e${EMULATION_NAME}.c
 276 sed $sc ldscripts/${EMULATION_NAME}.xsce                        >> e${EMULATION_NAME}.c
 277 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 278 echo '  ; else if (bfd_link_dll (&link_info)'          >> e${EMULATION_NAME}.c
 279 echo '             && link_info.combreloc'             >> e${EMULATION_NAME}.c
 280 echo '             && link_info.relro) return'         >> e${EMULATION_NAME}.c
 281 sed $sc ldscripts/${EMULATION_NAME}.xsco               >> e${EMULATION_NAME}.c
 282 fi
 283 echo '  ; else if (bfd_link_dll (&link_info)'           >> e${EMULATION_NAME}.c
 284 echo '             && link_info.combreloc) return'      >> e${EMULATION_NAME}.c
 285 sed $sc ldscripts/${EMULATION_NAME}.xsc                 >> e${EMULATION_NAME}.c
 286 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 287 echo '  ; else if (bfd_link_dll (&link_info)'          >> e${EMULATION_NAME}.c
 288 echo '             && link_info.separate_code'         >> e${EMULATION_NAME}.c
 289 echo '             && link_info.relro) return'         >> e${EMULATION_NAME}.c
 290 sed $sc ldscripts/${EMULATION_NAME}.xseo               >> e${EMULATION_NAME}.c
 291 fi
 292 fi
 293 echo '  ; else if (bfd_link_dll (&link_info)'           >> e${EMULATION_NAME}.c
 294 echo '             && link_info.separate_code) return'  >> e${EMULATION_NAME}.c
 295 sed $sc ldscripts/${EMULATION_NAME}.xse                 >> e${EMULATION_NAME}.c
 296 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 297 echo '  ; else if (bfd_link_dll (&link_info)'          >> e${EMULATION_NAME}.c
 298 echo '             && link_info.relro) return'         >> e${EMULATION_NAME}.c
 299 sed $sc ldscripts/${EMULATION_NAME}.xso               >> e${EMULATION_NAME}.c
 300 fi
 301 echo '  ; else if (bfd_link_dll (&link_info)) return'   >> e${EMULATION_NAME}.c
 302 sed $sc ldscripts/${EMULATION_NAME}.xs                  >> e${EMULATION_NAME}.c
 303 fi
 304 if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
 305 echo '  ; else if (link_info.combreloc'                 >> e${EMULATION_NAME}.c
 306 echo '             && link_info.separate_code'          >> e${EMULATION_NAME}.c
 307 echo '             && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
 308 sed $sc ldscripts/${EMULATION_NAME}.xwe                 >> e${EMULATION_NAME}.c
 309 echo '  ; else if (link_info.combreloc'                 >> e${EMULATION_NAME}.c
 310 echo '             && link_info.relro'                  >> e${EMULATION_NAME}.c
 311 echo '             && (link_info.flags & DF_BIND_NOW)) return' >> e${EMULATION_NAME}.c
 312 sed $sc ldscripts/${EMULATION_NAME}.xw                  >> e${EMULATION_NAME}.c
 313 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 314 echo '  ; else if (link_info.combreloc'                 >> e${EMULATION_NAME}.c
 315 echo '             && link_info.separate_code'          >> e${EMULATION_NAME}.c
 316 echo '             && link_info.relro) return'          >> e${EMULATION_NAME}.c
 317 sed $sc ldscripts/${EMULATION_NAME}.xceo                >> e${EMULATION_NAME}.c
 318 fi
 319 echo '  ; else if (link_info.combreloc'                 >> e${EMULATION_NAME}.c
 320 echo '             && link_info.separate_code) return'  >> e${EMULATION_NAME}.c
 321 sed $sc ldscripts/${EMULATION_NAME}.xce                 >> e${EMULATION_NAME}.c
 322 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 323 echo '  ; else if (link_info.combreloc'                 >> e${EMULATION_NAME}.c
 324 echo '             && link_info.relro) return'          >> e${EMULATION_NAME}.c
 325 sed $sc ldscripts/${EMULATION_NAME}.xco                 >> e${EMULATION_NAME}.c
 326 fi
 327 echo '  ; else if (link_info.combreloc) return'         >> e${EMULATION_NAME}.c
 328 sed $sc ldscripts/${EMULATION_NAME}.xc                  >> e${EMULATION_NAME}.c
 329 fi
 330 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 331 echo '  ; else if (link_info.separate_code'             >> e${EMULATION_NAME}.c
 332 echo '             && link_info.relro) return'          >> e${EMULATION_NAME}.c
 333 sed $sc ldscripts/${EMULATION_NAME}.xeo                 >> e${EMULATION_NAME}.c
 334 fi
 335 echo '  ; else if (link_info.separate_code) return'     >> e${EMULATION_NAME}.c
 336 sed $sc ldscripts/${EMULATION_NAME}.xe                  >> e${EMULATION_NAME}.c
 337 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 338 echo '  ; else if (link_info.relro) return'             >> e${EMULATION_NAME}.c
 339 sed $sc ldscripts/${EMULATION_NAME}.xo                  >> e${EMULATION_NAME}.c
 340 fi
 341 echo '  ; else return'                                  >> e${EMULATION_NAME}.c
 342 sed $sc ldscripts/${EMULATION_NAME}.x                   >> e${EMULATION_NAME}.c
 343 echo '; }'                                              >> e${EMULATION_NAME}.c
 344
 345 else
 346 # Scripts read from the filesystem.
 347
 348 fragment <<EOF
 349 {
 350   *isfile = 1;
 351
 352   if (bfd_link_relocatable (&link_info) && config.build_constructors)
 353     return "ldscripts/${EMULATION_NAME}.xu";
 354   else if (bfd_link_relocatable (&link_info))
 355     return "ldscripts/${EMULATION_NAME}.xr";
 356   else if (!config.text_read_only)
 357     return "ldscripts/${EMULATION_NAME}.xbn";
 358 EOF
 359 if cmp -s ldscripts/${EMULATION_NAME}.x ldscripts/${EMULATION_NAME}.xn; then :
 360 else
 361 fragment <<EOF
 362   else if (!config.magic_demand_paged)
 363     return "ldscripts/${EMULATION_NAME}.xn";
 364 EOF
 365 fi
 366 if test -n "$GENERATE_PIE_SCRIPT" ; then
 367 if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
 368 fragment <<EOF
 369   else if (bfd_link_pie (&link_info)
 370            && link_info.combreloc
 371            && link_info.relro
 372            && (link_info.flags & DF_BIND_NOW))
 373     {
 374       if (link_info.separate_code)
 375         return "ldscripts/${EMULATION_NAME}.xdwe";
 376       else
 377         return "ldscripts/${EMULATION_NAME}.xdw";
 378     }
 379 EOF
 380 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 381 fragment <<EOF
 382   else if (bfd_link_pie (&link_info)
 383            && link_info.combreloc
 384            && link_info.relro)
 385     {
 386       if (link_info.separate_code)
 387         return "ldscripts/${EMULATION_NAME}.xdceo";
 388       else
 389         return "ldscripts/${EMULATION_NAME}.xdco";
 390     }
 391 EOF
 392 fi
 393 fragment <<EOF
 394   else if (bfd_link_pie (&link_info)
 395            && link_info.combreloc)
 396     {
 397       if (link_info.separate_code)
 398         return "ldscripts/${EMULATION_NAME}.xdce";
 399       else
 400         return "ldscripts/${EMULATION_NAME}.xdc";
 401     }
 402 EOF
 403 fi
 404 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 405 fragment <<EOF
 406   else if (bfd_link_pie (&link_info)
 407            && link_info.relro)
 408     {
 409       if (link_info.separate_code)
 410         return "ldscripts/${EMULATION_NAME}.xdeo";
 411       else
 412         return "ldscripts/${EMULATION_NAME}.xdo";
 413     }
 414 EOF
 415 fi
 416 fragment <<EOF
 417   else if (bfd_link_pie (&link_info))
 418     {
 419       if (link_info.separate_code)
 420         return "ldscripts/${EMULATION_NAME}.xde";
 421       else
 422         return "ldscripts/${EMULATION_NAME}.xd";
 423     }
 424 EOF
 425 fi
 426 if test -n "$GENERATE_SHLIB_SCRIPT" ; then
 427 if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
 428 fragment <<EOF
 429   else if (bfd_link_dll (&link_info) && link_info.combreloc
 430            && link_info.relro && (link_info.flags & DF_BIND_NOW))
 431     {
 432       if (link_info.separate_code)
 433         return "ldscripts/${EMULATION_NAME}.xswe";
 434       else
 435         return "ldscripts/${EMULATION_NAME}.xsw";
 436     }
 437 EOF
 438 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 439 fragment <<EOF
 440   else if (bfd_link_dll (&link_info)
 441            && link_info.combreloc
 442            && link_info.relro)
 443     {
 444       if (link_info.separate_code)
 445         return "ldscripts/${EMULATION_NAME}.xsceo";
 446       else
 447         return "ldscripts/${EMULATION_NAME}.xsco";
 448     }
 449 EOF
 450 fi
 451 fragment <<EOF
 452   else if (bfd_link_dll (&link_info) && link_info.combreloc)
 453     {
 454       if (link_info.separate_code)
 455         return "ldscripts/${EMULATION_NAME}.xsce";
 456       else
 457         return "ldscripts/${EMULATION_NAME}.xsc";
 458     }
 459 EOF
 460 fi
 461 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 462 fragment <<EOF
 463   else if (bfd_link_dll (&link_info)
 464            && link_info.relro)
 465     {
 466       if (link_info.separate_code)
 467         return "ldscripts/${EMULATION_NAME}.xseo";
 468       else
 469         return "ldscripts/${EMULATION_NAME}.xso";
 470     }
 471 EOF
 472 fi
 473 fragment <<EOF
 474   else if (bfd_link_dll (&link_info))
 475     {
 476       if (link_info.separate_code)
 477         return "ldscripts/${EMULATION_NAME}.xse";
 478       else
 479         return "ldscripts/${EMULATION_NAME}.xs";
 480     }
 481 EOF
 482 fi
 483 if test -n "$GENERATE_COMBRELOC_SCRIPT" ; then
 484 fragment <<EOF
 485   else if (link_info.combreloc && link_info.relro
 486            && (link_info.flags & DF_BIND_NOW))
 487     {
 488       if (link_info.separate_code)
 489         return "ldscripts/${EMULATION_NAME}.xwe";
 490       else
 491         return "ldscripts/${EMULATION_NAME}.xw";
 492     }
 493 EOF
 494 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 495 fragment <<EOF
 496   else if (link_info.combreloc
 497            && link_info.relro)
 498     {
 499       if (link_info.separate_code)
 500         return "ldscripts/${EMULATION_NAME}.xceo";
 501       else
 502         return "ldscripts/${EMULATION_NAME}.xco";
 503     }
 504 EOF
 505 fi
 506 fragment <<EOF
 507   else if (link_info.combreloc)
 508     {
 509       if (link_info.separate_code)
 510         return "ldscripts/${EMULATION_NAME}.xce";
 511       else
 512         return "ldscripts/${EMULATION_NAME}.xc";
 513     }
 514 EOF
 515 fi
 516 if test -n "$GENERATE_RELRO_SCRIPT" ; then
 517 fragment <<EOF
 518   else if (link_info.relro)
 519     {
 520       if (link_info.separate_code)
 521         return "ldscripts/${EMULATION_NAME}.xeo";
 522       else
 523         return "ldscripts/${EMULATION_NAME}.xo";
 524     }
 525 EOF
 526 fi
 527 fragment <<EOF
 528   else
 529     {
 530       if (link_info.separate_code)
 531         return "ldscripts/${EMULATION_NAME}.xe";
 532       else
 533         return "ldscripts/${EMULATION_NAME}.x";
 534     }
 535 }
 536
 537 EOF
 538 fi
 539 fi
 540
 541 if test -n "$PARSE_AND_LIST_PROLOGUE" ; then
 542 fragment <<EOF
 543  $PARSE_AND_LIST_PROLOGUE
 544 EOF
 545 fi
 546
 547 fragment <<EOF
 548
 549 enum elf_options
 550 {
 551   OPTION_DISABLE_NEW_DTAGS = 400,
 552   OPTION_ENABLE_NEW_DTAGS,
 553   OPTION_GROUP,
 554   OPTION_EH_FRAME_HDR,
 555   OPTION_NO_EH_FRAME_HDR,
 556   OPTION_EXCLUDE_LIBS,
 557   OPTION_HASH_STYLE,
 558   OPTION_BUILD_ID,
 559   OPTION_AUDIT,
 560   OPTION_COMPRESS_DEBUG
 561 };
 562
 563 static void
 564 gld${EMULATION_NAME}_add_options
 565   (int ns, char **shortopts, int nl, struct option **longopts,
 566    int nrl ATTRIBUTE_UNUSED, struct option **really_longopts ATTRIBUTE_UNUSED)
 567 {
 568 EOF
 569 if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
 570 fragment <<EOF
 571   static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:P:";
 572 EOF
 573 else
 574 fragment <<EOF
 575   static const char xtra_short[] = "${PARSE_AND_LIST_SHORTOPTS}z:";
 576 EOF
 577 fi
 578 fragment <<EOF
 579   static const struct option xtra_long[] = {
 580 EOF
 581 if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
 582 fragment <<EOF
 583     {"audit", required_argument, NULL, OPTION_AUDIT},
 584     {"Bgroup", no_argument, NULL, OPTION_GROUP},
 585 EOF
 586 fi
 587 fragment <<EOF
 588     {"build-id", optional_argument, NULL, OPTION_BUILD_ID},
 589     {"compress-debug-sections", required_argument, NULL, OPTION_COMPRESS_DEBUG},
 590 EOF
 591 if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
 592 fragment <<EOF
 593     {"depaudit", required_argument, NULL, 'P'},
 594     {"disable-new-dtags", no_argument, NULL, OPTION_DISABLE_NEW_DTAGS},
 595     {"enable-new-dtags", no_argument, NULL, OPTION_ENABLE_NEW_DTAGS},
 596     {"eh-frame-hdr", no_argument, NULL, OPTION_EH_FRAME_HDR},
 597     {"no-eh-frame-hdr", no_argument, NULL, OPTION_NO_EH_FRAME_HDR},
 598     {"exclude-libs", required_argument, NULL, OPTION_EXCLUDE_LIBS},
 599     {"hash-style", required_argument, NULL, OPTION_HASH_STYLE},
 600 EOF
 601 fi
 602 if test -n "$PARSE_AND_LIST_LONGOPTS" ; then
 603 fragment <<EOF
 604     $PARSE_AND_LIST_LONGOPTS
 605 EOF
 606 fi
 607 fragment <<EOF
 608     {NULL, no_argument, NULL, 0}
 609   };
 610
 611   *shortopts = (char *) xrealloc (*shortopts, ns + sizeof (xtra_short));
 612   memcpy (*shortopts + ns, &xtra_short, sizeof (xtra_short));
 613   *longopts = (struct option *)
 614     xrealloc (*longopts, nl * sizeof (struct option) + sizeof (xtra_long));
 615   memcpy (*longopts + nl, &xtra_long, sizeof (xtra_long));
 616 }
 617
 618 #define DEFAULT_BUILD_ID_STYLE  "sha1"
 619
 620 static bfd_boolean
 621 gld${EMULATION_NAME}_handle_option (int optc)
 622 {
 623   switch (optc)
 624     {
 625     default:
 626       return FALSE;
 627
 628     case OPTION_BUILD_ID:
 629       free ((char *) ldelf_emit_note_gnu_build_id);
 630       ldelf_emit_note_gnu_build_id = NULL;
 631       if (optarg == NULL)
 632         optarg = DEFAULT_BUILD_ID_STYLE;
 633       if (strcmp (optarg, "none"))
 634         ldelf_emit_note_gnu_build_id = xstrdup (optarg);
 635       break;
 636
 637     case OPTION_COMPRESS_DEBUG:
 638       if (strcasecmp (optarg, "none") == 0)
 639         link_info.compress_debug = COMPRESS_DEBUG_NONE;
 640       else if (strcasecmp (optarg, "zlib") == 0)
 641         link_info.compress_debug = COMPRESS_DEBUG_GABI_ZLIB;
 642       else if (strcasecmp (optarg, "zlib-gnu") == 0)
 643         link_info.compress_debug = COMPRESS_DEBUG_GNU_ZLIB;
 644       else if (strcasecmp (optarg, "zlib-gabi") == 0)
 645         link_info.compress_debug = COMPRESS_DEBUG_GABI_ZLIB;
 646       else
 647         einfo (_("%F%P: invalid --compress-debug-sections option: \`%s'\n"),
 648                optarg);
 649       break;
 650 EOF
 651
 652 if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
 653 fragment <<EOF
 654     case OPTION_AUDIT:
 655         ldelf_append_to_separated_string (&audit, optarg);
 656         break;
 657
 658     case 'P':
 659         ldelf_append_to_separated_string (&depaudit, optarg);
 660         break;
 661
 662     case OPTION_DISABLE_NEW_DTAGS:
 663       link_info.new_dtags = FALSE;
 664       break;
 665
 666     case OPTION_ENABLE_NEW_DTAGS:
 667       link_info.new_dtags = TRUE;
 668       break;
 669
 670     case OPTION_EH_FRAME_HDR:
 671       link_info.eh_frame_hdr_type = DWARF2_EH_HDR;
 672       break;
 673
 674     case OPTION_NO_EH_FRAME_HDR:
 675       link_info.eh_frame_hdr_type = 0;
 676       break;
 677
 678     case OPTION_GROUP:
 679       link_info.flags_1 |= (bfd_vma) DF_1_GROUP;
 680       /* Groups must be self-contained.  */
 681       link_info.unresolved_syms_in_objects = RM_DIAGNOSE;
 682       link_info.unresolved_syms_in_shared_libs = RM_DIAGNOSE;
 683       break;
 684
 685     case OPTION_EXCLUDE_LIBS:
 686       add_excluded_libs (optarg);
 687       break;
 688
 689     case OPTION_HASH_STYLE:
 690       link_info.emit_hash = FALSE;
 691       link_info.emit_gnu_hash = FALSE;
 692       if (strcmp (optarg, "sysv") == 0)
 693         link_info.emit_hash = TRUE;
 694       else if (strcmp (optarg, "gnu") == 0)
 695         link_info.emit_gnu_hash = TRUE;
 696       else if (strcmp (optarg, "both") == 0)
 697         {
 698           link_info.emit_hash = TRUE;
 699           link_info.emit_gnu_hash = TRUE;
 700         }
 701       else
 702         einfo (_("%F%P: invalid hash style \`%s'\n"), optarg);
 703       break;
 704
 705 EOF
 706 fi
 707 fragment <<EOF
 708     case 'z':
 709       if (strcmp (optarg, "defs") == 0)
 710         link_info.unresolved_syms_in_objects = RM_DIAGNOSE;
 711       else if (strcmp (optarg, "undefs") == 0)
 712         link_info.unresolved_syms_in_objects = RM_IGNORE;
 713       else if (strcmp (optarg, "muldefs") == 0)
 714         link_info.allow_multiple_definition = TRUE;
 715       else if (CONST_STRNEQ (optarg, "max-page-size="))
 716         {
 717           char *end;
 718
 719           config.maxpagesize = strtoul (optarg + 14, &end, 0);
 720           if (*end || (config.maxpagesize & (config.maxpagesize - 1)) != 0)
 721             einfo (_("%F%P: invalid maximum page size \`%s'\n"),
 722                    optarg + 14);
 723         }
 724       else if (CONST_STRNEQ (optarg, "common-page-size="))
 725         {
 726           char *end;
 727           config.commonpagesize = strtoul (optarg + 17, &end, 0);
 728           if (*end
 729               || (config.commonpagesize & (config.commonpagesize - 1)) != 0)
 730             einfo (_("%F%P: invalid common page size \`%s'\n"),
 731                    optarg + 17);
 732         }
 733       else if (CONST_STRNEQ (optarg, "stack-size="))
 734         {
 735           char *end;
 736           link_info.stacksize = strtoul (optarg + 11, &end, 0);
 737           if (*end || link_info.stacksize < 0)
 738             einfo (_("%F%P: invalid stack size \`%s'\n"), optarg + 11);
 739           if (!link_info.stacksize)
 740             /* Use -1 for explicit no-stack, because zero means
 741                'default'.   */
 742             link_info.stacksize = -1;
 743         }
 744       else if (strcmp (optarg, "execstack") == 0)
 745         {
 746           link_info.execstack = TRUE;
 747           link_info.noexecstack = FALSE;
 748         }
 749       else if (strcmp (optarg, "noexecstack") == 0)
 750         {
 751           link_info.noexecstack = TRUE;
 752           link_info.execstack = FALSE;
 753         }
 754       else if (strcmp (optarg, "globalaudit") == 0)
 755         {
 756           link_info.flags_1 |= DF_1_GLOBAUDIT;
 757         }
 758       else if (CONST_STRNEQ (optarg, "start-stop-visibility="))
 759         {
 760           if (strcmp (optarg, "start-stop-visibility=default") == 0)
 761             link_info.start_stop_visibility = STV_DEFAULT;
 762           else if (strcmp (optarg, "start-stop-visibility=internal") == 0)
 763             link_info.start_stop_visibility = STV_INTERNAL;
 764           else if (strcmp (optarg, "start-stop-visibility=hidden") == 0)
 765             link_info.start_stop_visibility = STV_HIDDEN;
 766           else if (strcmp (optarg, "start-stop-visibility=protected") == 0)
 767             link_info.start_stop_visibility = STV_PROTECTED;
 768           else
 769             einfo (_("%F%P: invalid visibility in \`-z %s'; "
 770                      "must be default, internal, hidden, or protected"),
 771                    optarg);
 772         }
 773 EOF
 774
 775 if test x"$GENERATE_SHLIB_SCRIPT" = xyes; then
 776 fragment <<EOF
 777       else if (strcmp (optarg, "global") == 0)
 778         link_info.flags_1 |= (bfd_vma) DF_1_GLOBAL;
 779       else if (strcmp (optarg, "initfirst") == 0)
 780         link_info.flags_1 |= (bfd_vma) DF_1_INITFIRST;
 781       else if (strcmp (optarg, "interpose") == 0)
 782         link_info.flags_1 |= (bfd_vma) DF_1_INTERPOSE;
 783       else if (strcmp (optarg, "loadfltr") == 0)
 784         link_info.flags_1 |= (bfd_vma) DF_1_LOADFLTR;
 785       else if (strcmp (optarg, "nodefaultlib") == 0)
 786         link_info.flags_1 |= (bfd_vma) DF_1_NODEFLIB;
 787       else if (strcmp (optarg, "nodelete") == 0)
 788         link_info.flags_1 |= (bfd_vma) DF_1_NODELETE;
 789       else if (strcmp (optarg, "nodlopen") == 0)
 790         link_info.flags_1 |= (bfd_vma) DF_1_NOOPEN;
 791       else if (strcmp (optarg, "nodump") == 0)
 792         link_info.flags_1 |= (bfd_vma) DF_1_NODUMP;
 793       else if (strcmp (optarg, "now") == 0)
 794         {
 795           link_info.flags |= (bfd_vma) DF_BIND_NOW;
 796           link_info.flags_1 |= (bfd_vma) DF_1_NOW;
 797         }
 798       else if (strcmp (optarg, "lazy") == 0)
 799         {
 800           link_info.flags &= ~(bfd_vma) DF_BIND_NOW;
 801           link_info.flags_1 &= ~(bfd_vma) DF_1_NOW;
 802         }
 803       else if (strcmp (optarg, "origin") == 0)
 804         {
 805           link_info.flags |= (bfd_vma) DF_ORIGIN;
 806           link_info.flags_1 |= (bfd_vma) DF_1_ORIGIN;
 807         }
 808       else if (strcmp (optarg, "combreloc") == 0)
 809         link_info.combreloc = TRUE;
 810       else if (strcmp (optarg, "nocombreloc") == 0)
 811         link_info.combreloc = FALSE;
 812       else if (strcmp (optarg, "nocopyreloc") == 0)
 813         link_info.nocopyreloc = TRUE;
 814 EOF
 815 if test -n "$COMMONPAGESIZE"; then
 816 fragment <<EOF
 817       else if (strcmp (optarg, "relro") == 0)
 818         link_info.relro = TRUE;
 819       else if (strcmp (optarg, "norelro") == 0)
 820         link_info.relro = FALSE;
 821 EOF
 822 fi
 823 fragment <<EOF
 824       else if (strcmp (optarg, "separate-code") == 0)
 825         link_info.separate_code = TRUE;
 826       else if (strcmp (optarg, "noseparate-code") == 0)
 827         link_info.separate_code = FALSE;
 828       else if (strcmp (optarg, "common") == 0)
 829         link_info.elf_stt_common = elf_stt_common;
 830       else if (strcmp (optarg, "nocommon") == 0)
 831         link_info.elf_stt_common = no_elf_stt_common;
 832       else if (strcmp (optarg, "text") == 0)
 833         link_info.textrel_check = textrel_check_error;
 834       else if (strcmp (optarg, "notext") == 0)
 835         link_info.textrel_check = textrel_check_none;
 836       else if (strcmp (optarg, "textoff") == 0)
 837         link_info.textrel_check = textrel_check_none;
 838 EOF
 839 fi
 840
 841 if test -n "$PARSE_AND_LIST_ARGS_CASE_Z" ; then
 842 fragment <<EOF
 843  $PARSE_AND_LIST_ARGS_CASE_Z
 844 EOF
 845 fi
 846
 847 fragment <<EOF
 848       else
 849         einfo (_("%P: warning: -z %s ignored\n"), optarg);
 850       break;
 851 EOF
 852
 853 if test -n "$PARSE_AND_LIST_ARGS_CASES" ; then
 854 fragment <<EOF
 855  $PARSE_AND_LIST_ARGS_CASES
 856 EOF
 857 fi
 858
 859 fragment <<EOF
 860     }
 861
 862   return TRUE;
 863 }
 864
 865 EOF
 866
 867 if test x"$LDEMUL_LIST_OPTIONS" != xgld"$EMULATION_NAME"_list_options; then
 868 gld_list_options="gld${EMULATION_NAME}_list_options"
 869 if test -n "$PARSE_AND_LIST_OPTIONS"; then
 870 fragment <<EOF
 871
 872 static void
 873 gld${EMULATION_NAME}_list_options (FILE * file)
 874 {
 875 EOF
 876
 877 if test -n "$PARSE_AND_LIST_OPTIONS" ; then
 878 fragment <<EOF
 879  $PARSE_AND_LIST_OPTIONS
 880 EOF
 881 fi
 882
 883 fragment <<EOF
 884 }
 885 EOF
 886 else
 887   gld_list_options="NULL"
 888 fi
 889
 890 if test -n "$PARSE_AND_LIST_EPILOGUE" ; then
 891 fragment <<EOF
 892  $PARSE_AND_LIST_EPILOGUE
 893 EOF
 894 fi
 895 fi
 896
 897 fragment <<EOF
 898
 899 struct ld_emulation_xfer_struct ld_${EMULATION_NAME}_emulation =
 900 {
 901   ${LDEMUL_BEFORE_PARSE-gld${EMULATION_NAME}_before_parse},
 902   ${LDEMUL_SYSLIB-syslib_default},
 903   ${LDEMUL_HLL-hll_default},
 904   ${LDEMUL_AFTER_PARSE-ldelf_after_parse},
 905   ${LDEMUL_AFTER_OPEN-gld${EMULATION_NAME}_after_open},
 906   ${LDEMUL_AFTER_CHECK_RELOCS-after_check_relocs_default},
 907   ${LDEMUL_BEFORE_PLACE_ORPHANS-ldelf_before_place_orphans},
 908   ${LDEMUL_AFTER_ALLOCATION-gld${EMULATION_NAME}_after_allocation},
 909   ${LDEMUL_SET_OUTPUT_ARCH-set_output_arch_default},
 910   ${LDEMUL_CHOOSE_TARGET-ldemul_default_target},
 911   ${LDEMUL_BEFORE_ALLOCATION-gld${EMULATION_NAME}_before_allocation},
 912   ${LDEMUL_GET_SCRIPT-gld${EMULATION_NAME}_get_script},
 913   "${EMULATION_NAME}",
 914   "${OUTPUT_FORMAT}",
 915   ${LDEMUL_FINISH-finish_default},
 916   ${LDEMUL_CREATE_OUTPUT_SECTION_STATEMENTS-NULL},
 917   ${LDEMUL_OPEN_DYNAMIC_ARCHIVE-ldelf_open_dynamic_archive},
 918   ${LDEMUL_PLACE_ORPHAN-ldelf_place_orphan},
 919   ${LDEMUL_SET_SYMBOLS-NULL},
 920   ${LDEMUL_PARSE_ARGS-NULL},
 921   gld${EMULATION_NAME}_add_options,
 922   gld${EMULATION_NAME}_handle_option,
 923   ${LDEMUL_UNRECOGNIZED_FILE-NULL},
 924   ${LDEMUL_LIST_OPTIONS-${gld_list_options}},
 925   ${LDEMUL_RECOGNIZED_FILE-ldelf_load_symbols},
 926   ${LDEMUL_FIND_POTENTIAL_LIBRARIES-NULL},
 927   ${LDEMUL_NEW_VERS_PATTERN-NULL},
 928   ${LDEMUL_EXTRA_MAP_FILE_TEXT-NULL},
 929   ${LDEMUL_EMIT_CTF_EARLY-NULL},
 930   ${LDEMUL_EXAMINE_STRTAB_FOR_CTF-NULL},
 931   ${LDEMUL_PRINT_SYMBOL-NULL}
 932 };
 933 EOF