ld/genscripts.sh

   1 #!/bin/sh
   2 # genscripts.sh - generate the ld-emulation-target specific files
   3 # Copyright (C) 2004-2024 Free Software Foundation, Inc.
   4 #
   5 # This file is part of the Gnu Linker.
   6 #
   7 # This program is free software; you can redistribute it and/or modify
   8 # it under the terms of the GNU General Public License as published by
   9 # the Free Software Foundation; either version 3, or (at your option)
  10 # any later version.
  11 #
  12 # This program is distributed in the hope that it will be useful,
  13 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 # GNU General Public License for more details.
  16 #
  17 # You should have received a copy of the GNU General Public License
  18 # along with GLD; see the file COPYING.  If not, write to the Free
  19 # Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA
  20 # 02110-1301, USA.
  21 #
  22 # Usage: genscripts_extra.sh \
  23 #          srcdir \
  24 #          libdir \
  25 #          prefix \
  26 #          exec_prefix \
  27 #          host \
  28 #          target \
  29 #          target_alias \
  30 #          default_emulation \
  31 #          native_lib_dirs \
  32 #          use_sysroot \
  33 #          enable_initfini_array \
  34 #          this_emulation \
  35 # optional:
  36 #          tool_dir
  37 #
  38 # Sample usage:
  39 #
  40 #   genscripts_extra.sh \
  41 #    /sources/ld \
  42 #    /usr/local/lib \
  43 #    /usr/local \
  44 #    /usr/local \
  45 #    sparc-sun-sunos4.1.3 \
  46 #    sparc-sun-sunos4.1.3 \
  47 #    sparc-sun-sunos4.1.3 \
  48 #    sun4 \
  49 #    "" \
  50 #    no \
  51 #    sun3 \
  52 #    sparc-sun-sunos4.1.3 \
  53 #    sparc.sh
  54 #
  55 # produces the linker scripts:
  56 #
  57 #   sun3.x       [default linker script]
  58 #   sun3.xbn     [used when the linker is invoked with "-N"]
  59 #   sun3.xn      [used when the linker is invoked with "-n"]
  60 #   sun3.xr      [used when the linker is invoked with "-r"]
  61 #   sun3.xu      [used when the linker is invoked with "-Ur"]
  62 #
  63 # depending on platform specific settings linker scripts with the
  64 # following suffixes might be generated as well:
  65 #
  66 # xdwe:   -pie    -z combreloc -z separate-code -z relro -z now
  67 # xdw:    -pie    -z combreloc                  -z relro -z now
  68 # xdceo:  -pie    -z combreloc -z separate-code -z relro
  69 # xdce:   -pie    -z combreloc -z separate-code
  70 # xdco:   -pie    -z combreloc                  -z relro
  71 # xdc:    -pie    -z combreloc
  72 # xdeo:   -pie                 -z separate-code -z relro
  73 # xde:    -pie                 -z separate-code
  74 # xdo:    -pie                                  -z relro
  75 # xd:     -pie
  76 #
  77 # xswe:   -shared -z combreloc -z separate-code -z relro -z now
  78 # xsw:    -shared -z combreloc                  -z relro -z now
  79 # xsceo:  -shared -z combreloc -z separate-code -z relro
  80 # xsce:   -shared -z combreloc -z separate-code
  81 # xsco:   -shared -z combreloc                  -z relro
  82 # xsc:    -shared -z combreloc
  83 # xseo:   -shared              -z separate-code -z relro
  84 # xse:    -shared              -z separate-code
  85 # xso:    -shared                               -z relro
  86 # xs:     -shared
  87 #
  88 # xwe:            -z combreloc -z separate-code -z relro -z now
  89 # xw:             -z combreloc                  -z relro -z now
  90 # xceo:           -z combreloc -z separate-code -z relro
  91 # xce:            -z combreloc -z separate-code
  92 # xco:            -z combreloc                  -z relro
  93 # xc:             -z combreloc
  94 # xeo:                         -z separate-code -z relro
  95 # xe:                          -z separate-code
  96 # xo:                                           -z relro
  97 #
  98 #
  99 # It also produced the C source file:
 100 #
 101 #   em_sun3.c
 102 #
 103 # which is then compiled into the linker.
 104 #
 105 # The linker scripts are created by running the shell script
 106 # /sources/ld/emulparams/sparc.sh to set the value of ${SCRIPT_NAME}
 107 # (and any other variables it wants to).  ${SCRIPT_NAME} is then
 108 # invoked with a variable called ${LD_FLAG} to tell it which version
 109 # of the linker script to create.
 110
 111
 112 srcdir=$1
 113 libdir=$2
 114 prefix=$3
 115 exec_prefix=$4
 116 host=$5
 117 target=$6
 118 target_alias=$7
 119 DEPDIR=$8
 120 shift 8
 121 LIB_PATH=$1
 122 EMULATION_LIBPATH=$2
 123 NATIVE_LIB_DIRS=$3
 124 use_sysroot=$4
 125 ENABLE_INITFINI_ARRAY=$5
 126 shift 5
 127 EMULATION_NAME=$1
 128 TOOL_LIB=$2
 129
 130 source_sh()
 131 {
 132   if test -n "${DEPDIR}"; then
 133     echo $1 >> ${DEPDIR}/e${EMULATION_NAME}.Tc
 134   fi
 135   . $1
 136 }
 137
 138 if test -n "${DEPDIR}"; then
 139   rm -f ${DEPDIR}/e${EMULATION_NAME}.Tc
 140 fi
 141
 142 # Include the emulation-specific parameters:
 143 CUSTOMIZER_SCRIPT="${srcdir}/emulparams/${EMULATION_NAME}.sh"
 144 source_sh ${CUSTOMIZER_SCRIPT}
 145
 146 # Set some flags for the emultempl scripts.  USE_LIBPATH will
 147 # be set for any libpath-using emulation; NATIVE will be set for a
 148 # libpath-using emulation where ${host} = ${target}.  NATIVE
 149 # may already have been set by the emulparams file, but that's OK
 150 # (it'll just get set to "yes" twice).
 151
 152 case " $EMULATION_LIBPATH " in
 153   *" ${EMULATION_NAME} "*)
 154     if [ "x${host}" = "x${target}" ] ; then
 155       NATIVE=yes
 156       USE_LIBPATH=yes
 157     elif [ "x${use_sysroot}" = "xyes" ] ; then
 158       USE_LIBPATH=yes
 159     fi
 160     ;;
 161 esac
 162
 163 # If the emulparams file sets NATIVE, make sure USE_LIBPATH is set also.
 164 if test "x$NATIVE" = "xyes" ; then
 165   USE_LIBPATH=yes
 166 fi
 167
 168 # Set the library search path, for libraries named by -lfoo.
 169 # If LIB_PATH is defined (e.g., by Makefile) and non-empty, it is used.
 170 # Otherwise, the default is set here.
 171 #
 172 # The format is the usual list of colon-separated directories.
 173 # To force a logically empty LIB_PATH, do LIBPATH=":".
 174 #
 175 # If we are using a sysroot, prefix library paths with "=" to indicate this.
 176 #
 177 # If the emulparams file set LIBPATH_SUFFIX, prepend an extra copy of
 178 # the library path with the suffix applied.
 179
 180 # Paths with LIBPATH_SUFFIX
 181 lib_path1=
 182 # Paths without LIBPATH_SUFFIX
 183 lib_path2=
 184 if [ "${LIB_PATH}" != ":" ] ; then
 185   lib_path2=${LIB_PATH}
 186 fi
 187
 188 # Add args to lib_path1 and lib_path2, discarding any duplicates
 189 append_to_lib_path()
 190 {
 191   if [ $# != 0 ]; then
 192     for lib in "$@"; do
 193       # The "=" is harmless if we aren't using a sysroot, but also needless.
 194       if [ "x${use_sysroot}" = "xyes" ] ; then
 195         lib="=${lib}"
 196       fi
 197       skip_lib=no
 198       for libpath_suffix in ${LIBPATH_SUFFIX}; do
 199         case "${lib}" in
 200           *${libpath_suffix})
 201             case :${lib_path1}: in
 202               *:${lib}:*) ;;
 203               ::) lib_path1=${lib} ;;
 204               *) lib_path1=${lib_path1}:${lib} ;;
 205             esac ;;
 206           *)
 207             if test -n "${LIBPATH_SUFFIX_SKIP}"; then
 208               case "${lib}" in
 209                 *${LIBPATH_SUFFIX_SKIP}) skip_lib=yes ;;
 210               esac
 211             fi
 212             if test "${skip_lib}" = "no"; then
 213               case :${lib_path1}: in
 214                 *:${lib}${libpath_suffix}:*) ;;
 215                 ::) lib_path1=${lib}${libpath_suffix} ;;
 216                 *) lib_path1=${lib_path1}:${lib}${libpath_suffix} ;;
 217               esac
 218             fi ;;
 219         esac
 220       done
 221       if test "${skip_lib}" = "no"; then
 222         case :${lib_path1}:${lib_path2}: in
 223           *:${lib}:*) ;;
 224           *::) lib_path2=${lib} ;;
 225           *) lib_path2=${lib_path2}:${lib} ;;
 226         esac
 227       fi
 228     done
 229   fi
 230 }
 231
 232 # Always search $(tooldir)/lib, aka /usr/local/TARGET/lib when native
 233 # except when LIBPATH=":".
 234 if [ "${LIB_PATH}" != ":" ] ; then
 235   libs=
 236   if [ "x${TOOL_LIB}" = "x" ] ; then
 237     if [ "x${NATIVE}" = "xyes" ] ; then
 238       libs="${exec_prefix}/${target_alias}/lib"
 239     fi
 240   else
 241     # For multilib'ed targets, ensure both ${target_alias}/lib${LIBPATH_SUFFIX}
 242     # and ${TOOL_LIB}/lib${LIBPATH_SUFFIX} are in the default search path,
 243     # because 64bit libraries may be in both places, depending on
 244     # cross-development setup method (e.g.: /usr/s390x-linux/lib64
 245     # vs. /usr/s390-linux/lib64)
 246     for libpath_suffix in ${LIBPATH_SUFFIX}; do
 247       case "${NATIVE}:${libpath_suffix}:${TOOL_LIB}" in
 248         :* | *::* | *:*:*${libpath_suffix}) ;;
 249         *) libs="${exec_prefix}/${target_alias}/lib${libpath_suffix}" ;;
 250       esac
 251     done
 252     libs="${exec_prefix}/${TOOL_LIB}/lib ${libs}"
 253   fi
 254   append_to_lib_path ${libs}
 255 fi
 256
 257 if [ "x${LIB_PATH}" = "x" ] && [ "x${USE_LIBPATH}" = xyes ] ; then
 258   libs=${NATIVE_LIB_DIRS}
 259   if [ "x${NATIVE}" = "xyes" ] ; then
 260     case " ${libs} " in
 261       *" ${libdir} "*) ;;
 262       *) libs="${libdir} ${libs}" ;;
 263     esac
 264   fi
 265   append_to_lib_path ${libs}
 266 fi
 267
 268 case :${lib_path1}:${lib_path2}: in
 269   *:: | ::*) LIB_PATH=${lib_path1}${lib_path2} ;;
 270   *) LIB_PATH=${lib_path1}:${lib_path2} ;;
 271 esac
 272
 273 LIB_SEARCH_DIRS=`echo ${LIB_PATH} | sed -e 's/:/ /g' -e 's/\([^ ][^ ]*\)/SEARCH_DIR(\\"\1\\");/g'`
 274
 275 # We need it for testsuite.
 276 set $EMULATION_LIBPATH
 277 if [ "x$1" = "x$EMULATION_NAME" ]; then
 278     test -d tmpdir || mkdir tmpdir
 279     rm -f tmpdir/libpath.exp
 280     echo "set libpath \"${LIB_PATH}\"" | sed -e 's/:/ /g' > tmpdir/libpath.exp
 281 fi
 282
 283 if [ "x$SCRIPT_NAME" = "xelf" ]; then
 284   GENERATE_COMBRELOC_SCRIPT=yes
 285 fi
 286
 287 SEGMENT_SIZE=${SEGMENT_SIZE-${MAXPAGESIZE-${TARGET_PAGE_SIZE}}}
 288
 289 # Determine DATA_ALIGNMENT for the 5 variants, using
 290 # values specified in the emulparams/<script_to_run>.sh file or default.
 291
 292 DATA_ALIGNMENT_="${DATA_ALIGNMENT_-${DATA_ALIGNMENT-ALIGN(${SEGMENT_SIZE})}}"
 293 DATA_ALIGNMENT_n="${DATA_ALIGNMENT_n-${DATA_ALIGNMENT_}}"
 294 DATA_ALIGNMENT_N="${DATA_ALIGNMENT_N-${DATA_ALIGNMENT-.}}"
 295 DATA_ALIGNMENT_r="${DATA_ALIGNMENT_r-${DATA_ALIGNMENT-}}"
 296 DATA_ALIGNMENT_u="${DATA_ALIGNMENT_u-${DATA_ALIGNMENT_r}}"
 297
 298 LD_FLAG=r
 299 DATA_ALIGNMENT=${DATA_ALIGNMENT_r}
 300 DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})"
 301 ( echo "/* Script for -r */"
 302   source_sh ${CUSTOMIZER_SCRIPT}
 303   source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 304 ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xr
 305
 306 LD_FLAG=u
 307 DATA_ALIGNMENT=${DATA_ALIGNMENT_u}
 308 CONSTRUCTING=" "
 309 ( echo "/* Script for -Ur */"
 310   source_sh ${CUSTOMIZER_SCRIPT}
 311   source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 312 ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xu
 313
 314 DATA_ALIGNMENT=${DATA_ALIGNMENT_}
 315 RELOCATING=" "
 316 LD_FLAG=
 317 ( echo "/* Default linker script, for normal executables */"
 318   source_sh ${CUSTOMIZER_SCRIPT}
 319   source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 320 ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.x
 321
 322 LD_FLAG=textonly
 323 ( echo "/* Script for -z separate-code */"
 324   source_sh ${CUSTOMIZER_SCRIPT}
 325   source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 326 ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xe
 327
 328 if test -n "$GENERATE_RELRO_SCRIPT"; then
 329     LD_FLAG=
 330     RELRO=" "
 331     ( echo "/* Script for -z relro */"
 332       source_sh ${CUSTOMIZER_SCRIPT}
 333       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 334     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xo
 335     LD_FLAG=textonly
 336     ( echo "/* Script for -z separate-code -z relro */"
 337       source_sh ${CUSTOMIZER_SCRIPT}
 338       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 339     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xeo
 340     unset RELRO
 341 fi
 342 LD_FLAG=n
 343 DATA_ALIGNMENT=${DATA_ALIGNMENT_n}
 344 ( echo "/* Script for -n */"
 345   source_sh ${CUSTOMIZER_SCRIPT}
 346   source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 347 ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xn
 348
 349 LD_FLAG=N
 350 DATA_ALIGNMENT=${DATA_ALIGNMENT_N}
 351 ( echo "/* Script for -N */"
 352   source_sh ${CUSTOMIZER_SCRIPT}
 353   source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 354 ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xbn
 355
 356 if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
 357   DATA_ALIGNMENT=${DATA_ALIGNMENT_c-${DATA_ALIGNMENT_}}
 358   LD_FLAG=c
 359   COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp
 360   ( echo "/* Script for -z combreloc */"
 361     source_sh ${CUSTOMIZER_SCRIPT}
 362     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 363   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xc
 364   rm -f ${COMBRELOC}
 365   LD_FLAG=ctextonly
 366   COMBRELOC=ldscripts/${EMULATION_NAME}.xce.tmp
 367   ( echo "/* Script for -z combreloc -z separate-code */"
 368     source_sh ${CUSTOMIZER_SCRIPT}
 369     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 370   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xce
 371   rm -f ${COMBRELOC}
 372   RELRO_NOW=" "
 373   LD_FLAG=w
 374   COMBRELOC=ldscripts/${EMULATION_NAME}.xw.tmp
 375   ( echo "/* Script for -z combreloc -z relro -z now */"
 376     source_sh ${CUSTOMIZER_SCRIPT}
 377     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 378   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xw
 379   rm -f ${COMBRELOC}
 380   LD_FLAG=wtextonly
 381   COMBRELOC=ldscripts/${EMULATION_NAME}.xwe.tmp
 382   ( echo "/* Script for -z combreloc -z separate-code -z relro -z now */"
 383     source_sh ${CUSTOMIZER_SCRIPT}
 384     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 385   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xwe
 386   rm -f ${COMBRELOC}
 387   COMBRELOC=
 388   unset RELRO_NOW
 389   if test -n "$GENERATE_RELRO_SCRIPT"; then
 390       LD_FLAG=c
 391       RELRO=" "
 392       COMBRELOC=ldscripts/${EMULATION_NAME}.xco.tmp
 393       ( echo "/* Script for -z combreloc -z relro */"
 394         source_sh ${CUSTOMIZER_SCRIPT}
 395         source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 396       ) | sed -e '/^ *$/d;s/[    ]*$//' > ldscripts/${EMULATION_NAME}.xco
 397       rm -f ${COMBRELOC}
 398       LD_FLAG=ctextonly
 399       COMBRELOC=ldscripts/${EMULATION_NAME}.xceo.tmp
 400       ( echo "/* Script for -z combreloc -z separate-code -z relro */"
 401         source_sh ${CUSTOMIZER_SCRIPT}
 402         source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 403       ) | sed -e '/^ *$/d;s/[    ]*$//' > ldscripts/${EMULATION_NAME}.xceo
 404       rm -f ${COMBRELOC}
 405       COMBRELOC=
 406       unset RELRO
 407   fi
 408 fi
 409
 410 if test -n "$GENERATE_SHLIB_SCRIPT"; then
 411   DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}}
 412   CREATE_SHLIB=" "
 413   LD_FLAG=shared
 414   ( echo "/* Script for -shared */"
 415     source_sh ${CUSTOMIZER_SCRIPT}
 416     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 417   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xs
 418   LD_FLAG=sharedtextonly
 419   ( echo "/* Script for -shared -z separate-code */"
 420     source_sh ${CUSTOMIZER_SCRIPT}
 421     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 422   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xse
 423
 424   if test -n "$GENERATE_RELRO_SCRIPT"; then
 425       RELRO=" "
 426       LD_FLAG=shared
 427       ( echo "/* Script for -shared -z relro */"
 428         source_sh ${CUSTOMIZER_SCRIPT}
 429         source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 430       ) | sed -e '/^ *$/d;s/[    ]*$//' > ldscripts/${EMULATION_NAME}.xso
 431       LD_FLAG=sharedtextonly
 432       ( echo "/* Script for -shared -z separate-code -z relro */"
 433         source_sh ${CUSTOMIZER_SCRIPT}
 434         source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 435       ) | sed -e '/^ *$/d;s/[    ]*$//' > ldscripts/${EMULATION_NAME}.xseo
 436       unset RELRO
 437   fi
 438   if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
 439     DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}}
 440     LD_FLAG=cshared
 441     COMBRELOC=ldscripts/${EMULATION_NAME}.xsc.tmp
 442     ( echo "/* Script for -shared -z combreloc */"
 443       source_sh ${CUSTOMIZER_SCRIPT}
 444       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 445     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xsc
 446     rm -f ${COMBRELOC}
 447     LD_FLAG=csharedtextonly
 448     COMBRELOC=ldscripts/${EMULATION_NAME}.xsce.tmp
 449     ( echo "/* Script for -shared -z combreloc -z separate-code */"
 450       source_sh ${CUSTOMIZER_SCRIPT}
 451       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 452     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xsce
 453     rm -f ${COMBRELOC}
 454     RELRO_NOW=" "
 455     LD_FLAG=wshared
 456     COMBRELOC=ldscripts/${EMULATION_NAME}.xsw.tmp
 457     ( echo "/* Script for -shared -z combreloc -z relro -z now */"
 458       source_sh ${CUSTOMIZER_SCRIPT}
 459       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 460     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xsw
 461     rm -f ${COMBRELOC}
 462     LD_FLAG=wsharedtextonly
 463     COMBRELOC=ldscripts/${EMULATION_NAME}.xswe.tmp
 464     ( echo "/* Script for -shared -z combreloc -z separate-code -z relro -z now */"
 465       source_sh ${CUSTOMIZER_SCRIPT}
 466       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 467     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xswe
 468     rm -f ${COMBRELOC}
 469     unset RELRO_NOW
 470
 471     if test -n "$GENERATE_RELRO_SCRIPT"; then
 472         LD_FLAG=wshared
 473         RELRO=" "
 474         COMBRELOC=ldscripts/${EMULATION_NAME}.xsco.tmp
 475         ( echo "/* Script for -shared -z combreloc -z relro */"
 476           source_sh ${CUSTOMIZER_SCRIPT}
 477           source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 478         ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xsco
 479         rm -f ${COMBRELOC}
 480         LD_FLAG=wsharedtextonly
 481         COMBRELOC=ldscripts/${EMULATION_NAME}.xsceo.tmp
 482         ( echo "/* Script for -shared -z combreloc -z separate-code -z relro */"
 483           source_sh ${CUSTOMIZER_SCRIPT}
 484           source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 485         ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xsceo
 486         rm -f ${COMBRELOC}
 487         unset RELRO
 488     fi
 489     COMBRELOC=
 490   fi
 491   unset CREATE_SHLIB
 492 fi
 493
 494 if test -n "$GENERATE_PIE_SCRIPT"; then
 495   DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}}
 496   CREATE_PIE=" "
 497   LD_FLAG=pie
 498   ( echo "/* Script for -pie */"
 499     source_sh ${CUSTOMIZER_SCRIPT}
 500     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 501   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xd
 502   LD_FLAG=pietextonly
 503   ( echo "/* Script for -pie -z separate-code */"
 504     source_sh ${CUSTOMIZER_SCRIPT}
 505     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 506   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xde
 507   if test -n "$GENERATE_RELRO_SCRIPT"; then
 508       RELRO=" "
 509       LD_FLAG=pie
 510       ( echo "/* Script for -pie -z relro */"
 511         source_sh ${CUSTOMIZER_SCRIPT}
 512         source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 513       ) | sed -e '/^ *$/d;s/[    ]*$//' > ldscripts/${EMULATION_NAME}.xdo
 514       LD_FLAG=pietextonly
 515       ( echo "/* Script for -pie -z separate-code -z relro */"
 516         source_sh ${CUSTOMIZER_SCRIPT}
 517         source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 518       ) | sed -e '/^ *$/d;s/[    ]*$//' > ldscripts/${EMULATION_NAME}.xdeo
 519       unset RELRO
 520   fi
 521   if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
 522     DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}}
 523     COMBRELOC=ldscripts/${EMULATION_NAME}.xdc.tmp
 524     LD_FLAG=cpie
 525     ( echo "/* Script for -pie -z combreloc */"
 526       source_sh ${CUSTOMIZER_SCRIPT}
 527       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 528     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xdc
 529     rm -f ${COMBRELOC}
 530     LD_FLAG=cpietextonly
 531     COMBRELOC=ldscripts/${EMULATION_NAME}.xdce.tmp
 532     ( echo "/* Script for -pie -z combreloc -z separate-code */"
 533       source_sh ${CUSTOMIZER_SCRIPT}
 534       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 535     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xdce
 536     rm -f ${COMBRELOC}
 537     RELRO_NOW=" "
 538     LD_FLAG=wpie
 539     COMBRELOC=ldscripts/${EMULATION_NAME}.xdw.tmp
 540     ( echo "/* Script for -pie -z combreloc -z relro -z now */"
 541       source_sh ${CUSTOMIZER_SCRIPT}
 542       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 543     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xdw
 544     rm -f ${COMBRELOC}
 545     LD_FLAG=wpietextonly
 546     COMBRELOC=ldscripts/${EMULATION_NAME}.xdwe.tmp
 547     ( echo "/* Script for -pie -z combreloc -z separate-code -z relro -z now */"
 548       source_sh ${CUSTOMIZER_SCRIPT}
 549       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 550     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xdwe
 551     rm -f ${COMBRELOC}
 552     unset RELRO_NOW
 553
 554     if test -n "$GENERATE_RELRO_SCRIPT"; then
 555         LD_FLAG=wpie
 556         RELRO=" "
 557         COMBRELOC=ldscripts/${EMULATION_NAME}.xdco.tmp
 558         ( echo "/* Script for -pie -z combreloc -z relro */"
 559           source_sh ${CUSTOMIZER_SCRIPT}
 560           source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 561         ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xdco
 562         rm -f ${COMBRELOC}
 563         LD_FLAG=wpietextonly
 564         COMBRELOC=ldscripts/${EMULATION_NAME}.xdceo.tmp
 565         ( echo "/* Script for -pie -z combreloc -z separate-code -z relro */"
 566           source_sh ${CUSTOMIZER_SCRIPT}
 567           source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 568         ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xdceo
 569         rm -f ${COMBRELOC}
 570
 571         unset RELRO
 572     fi
 573     COMBRELOC=
 574   fi
 575   unset CREATE_PIE
 576 fi
 577
 578 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT"; then
 579   LD_FLAG=auto_import
 580   DATA_ALIGNMENT=${DATA_ALIGNMENT_}
 581   ( echo "/* Script for --enable-auto-import */"
 582     source_sh ${CUSTOMIZER_SCRIPT}
 583     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 584   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xa
 585 fi
 586
 587 case "$COMPILE_IN: $EMULATION_LIBPATH " in
 588     :*" ${EMULATION_NAME} "*) COMPILE_IN=yes;;
 589 esac
 590
 591 # PR ld/5652:
 592 # Determine if the shell has support for the variable BASH_LINENO.
 593 # When it is the case, it is only available inside functions.
 594 has_lineno()
 595 {
 596   test "x$BASH_LINENO" != "x"
 597 }
 598
 599 # Enable accruate error source in the compiler error messages, if possible.
 600 if has_lineno; then
 601   . ${srcdir}/genscrba.sh
 602 else
 603   source_em()
 604   {
 605     source_sh $1
 606   }
 607   fragment()
 608   {
 609     cat >> e${EMULATION_NAME}.c
 610   }
 611 fi
 612
 613 # Generate e${EMULATION_NAME}.c.
 614 # Start with an empty file, then the sourced .em script
 615 # can use the "fragment" function to append.
 616 > e${EMULATION_NAME}.c
 617 source_em ${srcdir}/emultempl/${TEMPLATE_NAME-generic}.em
 618
 619 if test -n "${DEPDIR}"; then
 620   ecdeps=
 621   for dep in `cat ${DEPDIR}/e${EMULATION_NAME}.Tc`; do
 622     case " $ecdeps " in
 623       *" $dep "*): ;;
 624       *) ecdeps="$ecdeps $dep" ;;
 625     esac
 626   done
 627   rm -f ${DEPDIR}/e${EMULATION_NAME}.Tc
 628   echo "e${EMULATION_NAME}.c:${ecdeps}" > ${DEPDIR}/e${EMULATION_NAME}.Pc
 629 fi