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 # xdwer:  -pie    -z combreloc -z separate-code -z relro -z now --rosegment
  68 # xdw:    -pie    -z combreloc                  -z relro -z now
  69 # xdceo:  -pie    -z combreloc -z separate-code -z relro
  70 # xdceor: -pie    -z combreloc -z separate-code -z relro        --rosegment
  71 # xdce:   -pie    -z combreloc -z separate-code
  72 # xdcer:  -pie    -z combreloc -z separate-code                 --rosegment
  73 # xdco:   -pie    -z combreloc                  -z relro
  74 # xdc:    -pie    -z combreloc
  75 # xdeo:   -pie                 -z separate-code -z relro
  76 # xdeor:  -pie                 -z separate-code -z relro        --rosegment
  77 # xde:    -pie                 -z separate-code
  78 # xder:   -pie                 -z separate-code                 --rosegment
  79 # xdo:    -pie                                  -z relro
  80 # xd:     -pie
  81 #
  82 # xswe:   -shared -z combreloc -z separate-code -z relro -z now
  83 # xswer:  -shared -z combreloc -z separate-code -z relro -z now --rosegment
  84 # xsw:    -shared -z combreloc                  -z relro -z now
  85 # xsceo:  -shared -z combreloc -z separate-code -z relro
  86 # xsceor: -shared -z combreloc -z separate-code -z relro        --rosegment
  87 # xsce:   -shared -z combreloc -z separate-code
  88 # xscer:  -shared -z combreloc -z separate-code                 --rosegment
  89 # xsco:   -shared -z combreloc                  -z relro
  90 # xsc:    -shared -z combreloc
  91 # xseo:   -shared              -z separate-code -z relro
  92 # xseor:  -shared              -z separate-code -z relro        --rosegment
  93 # xse:    -shared              -z separate-code
  94 # xser:   -shared              -z separate-code                 --rosegment
  95 # xso:    -shared                               -z relro
  96 # xs:     -shared
  97 #
  98 # xwe:            -z combreloc -z separate-code -z relro -z now --rosegment
  99 # xwer:           -z combreloc -z separate-code -z relro -z now
 100 # xw:             -z combreloc                  -z relro -z now
 101 # xceo:           -z combreloc -z separate-code -z relro
 102 # xceor:          -z combreloc -z separate-code -z relro        --rosegment
 103 # xce:            -z combreloc -z separate-code
 104 # xcer:           -z combreloc -z separate-code                 --rosegment
 105 # xco:            -z combreloc                  -z relro
 106 # xc:             -z combreloc
 107 # xeo:                         -z separate-code -z relro
 108 # xeor:                        -z separate-code -z relro        --rosegment
 109 # xe:                          -z separate-code
 110 # xer:                         -z separate-code                 --rosegment
 111 # xo:                                           -z relro
 112 #
 113 #
 114 # It also produced the C source file:
 115 #
 116 #   em_sun3.c
 117 #
 118 # which is then compiled into the linker.
 119 #
 120 # The linker scripts are created by running the shell script
 121 # /sources/ld/emulparams/sparc.sh to set the value of ${SCRIPT_NAME}
 122 # (and any other variables it wants to).  ${SCRIPT_NAME} is then
 123 # invoked with a variable called ${LD_FLAG} to tell it which version
 124 # of the linker script to create.
 125
 126
 127 srcdir=$1
 128 libdir=$2
 129 prefix=$3
 130 exec_prefix=$4
 131 host=$5
 132 target=$6
 133 target_alias=$7
 134 DEPDIR=$8
 135 shift 8
 136 LIB_PATH=$1
 137 EMULATION_LIBPATH=$2
 138 NATIVE_LIB_DIRS=$3
 139 use_sysroot=$4
 140 ENABLE_INITFINI_ARRAY=$5
 141 shift 5
 142 EMULATION_NAME=$1
 143 TOOL_LIB=$2
 144
 145 source_sh()
 146 {
 147   if test -n "${DEPDIR}"; then
 148     echo $1 >> ${DEPDIR}/e${EMULATION_NAME}.Tc
 149   fi
 150   . $1
 151 }
 152
 153 if test -n "${DEPDIR}"; then
 154   rm -f ${DEPDIR}/e${EMULATION_NAME}.Tc
 155 fi
 156
 157 # Include the emulation-specific parameters:
 158 CUSTOMIZER_SCRIPT="${srcdir}/emulparams/${EMULATION_NAME}.sh"
 159 source_sh ${CUSTOMIZER_SCRIPT}
 160
 161 # Set some flags for the emultempl scripts.  USE_LIBPATH will
 162 # be set for any libpath-using emulation; NATIVE will be set for a
 163 # libpath-using emulation where ${host} = ${target}.  NATIVE
 164 # may already have been set by the emulparams file, but that's OK
 165 # (it'll just get set to "yes" twice).
 166
 167 case " $EMULATION_LIBPATH " in
 168   *" ${EMULATION_NAME} "*)
 169     if [ "x${host}" = "x${target}" ] ; then
 170       NATIVE=yes
 171       USE_LIBPATH=yes
 172     elif [ "x${use_sysroot}" = "xyes" ] ; then
 173       USE_LIBPATH=yes
 174     fi
 175     ;;
 176 esac
 177
 178 # If the emulparams file sets NATIVE, make sure USE_LIBPATH is set also.
 179 if test "x$NATIVE" = "xyes" ; then
 180   USE_LIBPATH=yes
 181 fi
 182
 183 # Set the library search path, for libraries named by -lfoo.
 184 # If LIB_PATH is defined (e.g., by Makefile) and non-empty, it is used.
 185 # Otherwise, the default is set here.
 186 #
 187 # The format is the usual list of colon-separated directories.
 188 # To force a logically empty LIB_PATH, do LIBPATH=":".
 189 #
 190 # If we are using a sysroot, prefix library paths with "=" to indicate this.
 191 #
 192 # If the emulparams file set LIBPATH_SUFFIX, prepend an extra copy of
 193 # the library path with the suffix applied.
 194
 195 # Paths with LIBPATH_SUFFIX
 196 lib_path1=
 197 # Paths without LIBPATH_SUFFIX
 198 lib_path2=
 199 if [ "${LIB_PATH}" != ":" ] ; then
 200   lib_path2=${LIB_PATH}
 201 fi
 202
 203 # Add args to lib_path1 and lib_path2, discarding any duplicates
 204 append_to_lib_path()
 205 {
 206   if [ $# != 0 ]; then
 207     for lib in "$@"; do
 208       # The "=" is harmless if we aren't using a sysroot, but also needless.
 209       if [ "x${use_sysroot}" = "xyes" ] ; then
 210         lib="=${lib}"
 211       fi
 212       skip_lib=no
 213       for libpath_suffix in ${LIBPATH_SUFFIX}; do
 214         case "${lib}" in
 215           *${libpath_suffix})
 216             case :${lib_path1}: in
 217               *:${lib}:*) ;;
 218               ::) lib_path1=${lib} ;;
 219               *) lib_path1=${lib_path1}:${lib} ;;
 220             esac ;;
 221           *)
 222             if test -n "${LIBPATH_SUFFIX_SKIP}"; then
 223               case "${lib}" in
 224                 *${LIBPATH_SUFFIX_SKIP}) skip_lib=yes ;;
 225               esac
 226             fi
 227             if test "${skip_lib}" = "no"; then
 228               case :${lib_path1}: in
 229                 *:${lib}${libpath_suffix}:*) ;;
 230                 ::) lib_path1=${lib}${libpath_suffix} ;;
 231                 *) lib_path1=${lib_path1}:${lib}${libpath_suffix} ;;
 232               esac
 233             fi ;;
 234         esac
 235       done
 236       if test "${skip_lib}" = "no"; then
 237         case :${lib_path1}:${lib_path2}: in
 238           *:${lib}:*) ;;
 239           *::) lib_path2=${lib} ;;
 240           *) lib_path2=${lib_path2}:${lib} ;;
 241         esac
 242       fi
 243     done
 244   fi
 245 }
 246
 247 # Always search $(tooldir)/lib, aka /usr/local/TARGET/lib when native
 248 # except when LIBPATH=":".
 249 if [ "${LIB_PATH}" != ":" ] ; then
 250   libs=
 251   if [ "x${TOOL_LIB}" = "x" ] ; then
 252     if [ "x${NATIVE}" = "xyes" ] ; then
 253       libs="${exec_prefix}/${target_alias}/lib"
 254     fi
 255   else
 256     # For multilib'ed targets, ensure both ${target_alias}/lib${LIBPATH_SUFFIX}
 257     # and ${TOOL_LIB}/lib${LIBPATH_SUFFIX} are in the default search path,
 258     # because 64bit libraries may be in both places, depending on
 259     # cross-development setup method (e.g.: /usr/s390x-linux/lib64
 260     # vs. /usr/s390-linux/lib64)
 261     for libpath_suffix in ${LIBPATH_SUFFIX}; do
 262       case "${NATIVE}:${libpath_suffix}:${TOOL_LIB}" in
 263         :* | *::* | *:*:*${libpath_suffix}) ;;
 264         *) libs="${exec_prefix}/${target_alias}/lib${libpath_suffix}" ;;
 265       esac
 266     done
 267     libs="${exec_prefix}/${TOOL_LIB}/lib ${libs}"
 268   fi
 269   append_to_lib_path ${libs}
 270 fi
 271
 272 if [ "x${LIB_PATH}" = "x" ] && [ "x${USE_LIBPATH}" = xyes ] ; then
 273   libs=${NATIVE_LIB_DIRS}
 274   if [ "x${NATIVE}" = "xyes" ] ; then
 275     case " ${libs} " in
 276       *" ${libdir} "*) ;;
 277       *) libs="${libdir} ${libs}" ;;
 278     esac
 279   fi
 280   append_to_lib_path ${libs}
 281 fi
 282
 283 case :${lib_path1}:${lib_path2}: in
 284   *:: | ::*) LIB_PATH=${lib_path1}${lib_path2} ;;
 285   *) LIB_PATH=${lib_path1}:${lib_path2} ;;
 286 esac
 287
 288 LIB_SEARCH_DIRS=`echo ${LIB_PATH} | sed -e 's/:/ /g' -e 's/\([^ ][^ ]*\)/SEARCH_DIR(\\"\1\\");/g'`
 289
 290 # We need it for testsuite.
 291 set $EMULATION_LIBPATH
 292 if [ "x$1" = "x$EMULATION_NAME" ]; then
 293     test -d tmpdir || mkdir tmpdir
 294     rm -f tmpdir/libpath.exp
 295     echo "set libpath \"${LIB_PATH}\"" | sed -e 's/:/ /g' > tmpdir/libpath.exp
 296 fi
 297
 298 if [ "x$SCRIPT_NAME" = "xelf" ]; then
 299   GENERATE_COMBRELOC_SCRIPT=yes
 300 fi
 301
 302 SEGMENT_SIZE=${SEGMENT_SIZE-${MAXPAGESIZE-${TARGET_PAGE_SIZE}}}
 303
 304 # Determine DATA_ALIGNMENT for the 5 variants, using
 305 # values specified in the emulparams/<script_to_run>.sh file or default.
 306
 307 DATA_ALIGNMENT_="${DATA_ALIGNMENT_-${DATA_ALIGNMENT-ALIGN(${SEGMENT_SIZE})}}"
 308 DATA_ALIGNMENT_n="${DATA_ALIGNMENT_n-${DATA_ALIGNMENT_}}"
 309 DATA_ALIGNMENT_N="${DATA_ALIGNMENT_N-${DATA_ALIGNMENT-.}}"
 310 DATA_ALIGNMENT_r="${DATA_ALIGNMENT_r-${DATA_ALIGNMENT-}}"
 311 DATA_ALIGNMENT_u="${DATA_ALIGNMENT_u-${DATA_ALIGNMENT_r}}"
 312
 313 # Create scripts using different settings of the LD_FLAG variable
 314
 315 LD_FLAG=r
 316 DATA_ALIGNMENT=${DATA_ALIGNMENT_r}
 317 DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})"
 318 ( echo "/* Script for -r */"
 319   source_sh ${CUSTOMIZER_SCRIPT}
 320   source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 321 ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xr
 322
 323 LD_FLAG=u
 324 DATA_ALIGNMENT=${DATA_ALIGNMENT_u}
 325 CONSTRUCTING=" "
 326 ( echo "/* Script for -Ur */"
 327   source_sh ${CUSTOMIZER_SCRIPT}
 328   source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 329 ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xu
 330
 331 DATA_ALIGNMENT=${DATA_ALIGNMENT_}
 332 RELOCATING=" "
 333 LD_FLAG=
 334 ( echo "/* Default linker script, for normal executables */"
 335   source_sh ${CUSTOMIZER_SCRIPT}
 336   source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 337 ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.x
 338
 339 LD_FLAG=textonly
 340 ( echo "/* Script for -z separate-code */"
 341   source_sh ${CUSTOMIZER_SCRIPT}
 342   source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 343 ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xe
 344
 345 LD_FLAG=rotextonly
 346 ( echo "/* Script for -z separate-code --rosegment */"
 347   source_sh ${CUSTOMIZER_SCRIPT}
 348   source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 349 ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xer
 350
 351 if test -n "$GENERATE_RELRO_SCRIPT"; then
 352     RELRO=" "
 353
 354     LD_FLAG=
 355     ( echo "/* Script for -z relro */"
 356       source_sh ${CUSTOMIZER_SCRIPT}
 357       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 358     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xo
 359
 360     LD_FLAG=textonly
 361     ( echo "/* Script for -z separate-code -z relro */"
 362       source_sh ${CUSTOMIZER_SCRIPT}
 363       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 364     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xeo
 365
 366     LD_FLAG=rotextonly
 367     ( echo "/* Script for -z separate-code -z relro --rosegment */"
 368       source_sh ${CUSTOMIZER_SCRIPT}
 369       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 370     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xeor
 371
 372     unset RELRO
 373 fi
 374
 375 LD_FLAG=n
 376 DATA_ALIGNMENT=${DATA_ALIGNMENT_n}
 377 ( echo "/* Script for -n */"
 378   source_sh ${CUSTOMIZER_SCRIPT}
 379   source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 380 ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xn
 381
 382 LD_FLAG=N
 383 DATA_ALIGNMENT=${DATA_ALIGNMENT_N}
 384 ( echo "/* Script for -N */"
 385   source_sh ${CUSTOMIZER_SCRIPT}
 386   source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 387 ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xbn
 388
 389 if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
 390   DATA_ALIGNMENT=${DATA_ALIGNMENT_c-${DATA_ALIGNMENT_}}
 391   LD_FLAG=c
 392   COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp
 393   ( echo "/* Script for -z combreloc */"
 394     source_sh ${CUSTOMIZER_SCRIPT}
 395     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 396   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xc
 397   rm -f ${COMBRELOC}
 398
 399   LD_FLAG=ctextonly
 400   COMBRELOC=ldscripts/${EMULATION_NAME}.xce.tmp
 401   ( echo "/* Script for -z combreloc -z separate-code */"
 402     source_sh ${CUSTOMIZER_SCRIPT}
 403     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 404   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xce
 405   rm -f ${COMBRELOC}
 406
 407   LD_FLAG=roctextonly
 408   COMBRELOC=ldscripts/${EMULATION_NAME}.xcer.tmp
 409   ( echo "/* Script for -z combreloc -z separate-code --rosegment */"
 410     source_sh ${CUSTOMIZER_SCRIPT}
 411     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 412   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xcer
 413   rm -f ${COMBRELOC}
 414
 415   RELRO_NOW=" "
 416
 417   LD_FLAG=w
 418   COMBRELOC=ldscripts/${EMULATION_NAME}.xw.tmp
 419   ( echo "/* Script for -z combreloc -z relro -z now */"
 420     source_sh ${CUSTOMIZER_SCRIPT}
 421     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 422   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xw
 423   rm -f ${COMBRELOC}
 424
 425   LD_FLAG=wtextonly
 426   COMBRELOC=ldscripts/${EMULATION_NAME}.xwe.tmp
 427   ( echo "/* Script for -z combreloc -z separate-code -z relro -z now */"
 428     source_sh ${CUSTOMIZER_SCRIPT}
 429     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 430   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xwe
 431   rm -f ${COMBRELOC}
 432   COMBRELOC=
 433
 434   LD_FLAG=rowtextonly
 435   COMBRELOC=ldscripts/${EMULATION_NAME}.xwer.tmp
 436   ( echo "/* Script for -z combreloc -z separate-code -z relro -z now --rosegment */"
 437     source_sh ${CUSTOMIZER_SCRIPT}
 438     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 439   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xwer
 440   rm -f ${COMBRELOC}
 441   COMBRELOC=
 442
 443   unset RELRO_NOW
 444
 445   if test -n "$GENERATE_RELRO_SCRIPT"; then
 446       RELRO=" "
 447
 448       LD_FLAG=c
 449       COMBRELOC=ldscripts/${EMULATION_NAME}.xco.tmp
 450       ( echo "/* Script for -z combreloc -z relro */"
 451         source_sh ${CUSTOMIZER_SCRIPT}
 452         source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 453       ) | sed -e '/^ *$/d;s/[    ]*$//' > ldscripts/${EMULATION_NAME}.xco
 454       rm -f ${COMBRELOC}
 455
 456       LD_FLAG=ctextonly
 457       COMBRELOC=ldscripts/${EMULATION_NAME}.xceo.tmp
 458       ( echo "/* Script for -z combreloc -z separate-code -z relro */"
 459         source_sh ${CUSTOMIZER_SCRIPT}
 460         source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 461       ) | sed -e '/^ *$/d;s/[    ]*$//' > ldscripts/${EMULATION_NAME}.xceo
 462       rm -f ${COMBRELOC}
 463       COMBRELOC=
 464
 465       LD_FLAG=roctextonly
 466       COMBRELOC=ldscripts/${EMULATION_NAME}.xceor.tmp
 467       ( echo "/* Script for -z combreloc -z separate-code -z relro --rosegment */"
 468         source_sh ${CUSTOMIZER_SCRIPT}
 469         source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 470       ) | sed -e '/^ *$/d;s/[    ]*$//' > ldscripts/${EMULATION_NAME}.xceor
 471       rm -f ${COMBRELOC}
 472       COMBRELOC=
 473
 474       unset RELRO
 475   fi
 476 fi
 477
 478 if test -n "$GENERATE_SHLIB_SCRIPT"; then
 479   CREATE_SHLIB=" "
 480   DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}}
 481
 482   LD_FLAG=shared
 483   ( echo "/* Script for -shared */"
 484     source_sh ${CUSTOMIZER_SCRIPT}
 485     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 486   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xs
 487
 488   LD_FLAG=sharedtextonly
 489   ( echo "/* Script for -shared -z separate-code */"
 490     source_sh ${CUSTOMIZER_SCRIPT}
 491     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 492   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xse
 493
 494   LD_FLAG=rosharedtextonly
 495   ( echo "/* Script for -shared -z separate-code --rosegment */"
 496     source_sh ${CUSTOMIZER_SCRIPT}
 497     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 498   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xser
 499
 500   if test -n "$GENERATE_RELRO_SCRIPT"; then
 501       RELRO=" "
 502
 503       LD_FLAG=shared
 504       ( echo "/* Script for -shared -z relro */"
 505         source_sh ${CUSTOMIZER_SCRIPT}
 506         source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 507       ) | sed -e '/^ *$/d;s/[    ]*$//' > ldscripts/${EMULATION_NAME}.xso
 508
 509       LD_FLAG=sharedtextonly
 510       ( echo "/* Script for -shared -z separate-code -z relro */"
 511         source_sh ${CUSTOMIZER_SCRIPT}
 512         source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 513       ) | sed -e '/^ *$/d;s/[    ]*$//' > ldscripts/${EMULATION_NAME}.xseo
 514
 515       LD_FLAG=rosharedtextonly
 516       ( echo "/* Script for -shared -z separate-code -z relro --rosegment */"
 517         source_sh ${CUSTOMIZER_SCRIPT}
 518         source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 519       ) | sed -e '/^ *$/d;s/[    ]*$//' > ldscripts/${EMULATION_NAME}.xseor
 520
 521       unset RELRO
 522   fi
 523
 524   if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
 525     DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}}
 526     LD_FLAG=cshared
 527     COMBRELOC=ldscripts/${EMULATION_NAME}.xsc.tmp
 528     ( echo "/* Script for -shared -z combreloc */"
 529       source_sh ${CUSTOMIZER_SCRIPT}
 530       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 531     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xsc
 532     rm -f ${COMBRELOC}
 533
 534     LD_FLAG=csharedtextonly
 535     COMBRELOC=ldscripts/${EMULATION_NAME}.xsce.tmp
 536     ( echo "/* Script for -shared -z combreloc -z separate-code */"
 537       source_sh ${CUSTOMIZER_SCRIPT}
 538       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 539     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xsce
 540     rm -f ${COMBRELOC}
 541
 542     LD_FLAG=rocsharedtextonly
 543     COMBRELOC=ldscripts/${EMULATION_NAME}.xscer.tmp
 544     ( echo "/* Script for -shared -z combreloc -z separate-code --rosegment */"
 545       source_sh ${CUSTOMIZER_SCRIPT}
 546       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 547     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xscer
 548     rm -f ${COMBRELOC}
 549
 550     RELRO_NOW=" "
 551
 552     LD_FLAG=wshared
 553     COMBRELOC=ldscripts/${EMULATION_NAME}.xsw.tmp
 554     ( echo "/* Script for -shared -z combreloc -z relro -z now */"
 555       source_sh ${CUSTOMIZER_SCRIPT}
 556       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 557     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xsw
 558     rm -f ${COMBRELOC}
 559
 560     LD_FLAG=wsharedtextonly
 561     COMBRELOC=ldscripts/${EMULATION_NAME}.xswe.tmp
 562     ( echo "/* Script for -shared -z combreloc -z separate-code -z relro -z now */"
 563       source_sh ${CUSTOMIZER_SCRIPT}
 564       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 565     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xswe
 566     rm -f ${COMBRELOC}
 567
 568     LD_FLAG=rowsharedtextonly
 569     COMBRELOC=ldscripts/${EMULATION_NAME}.xswe.tmp
 570     ( echo "/* Script for -shared -z combreloc -z separate-code -z relro -z now --rosegment */"
 571       source_sh ${CUSTOMIZER_SCRIPT}
 572       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 573     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xswer
 574     rm -f ${COMBRELOC}
 575
 576     unset RELRO_NOW
 577
 578     if test -n "$GENERATE_RELRO_SCRIPT"; then
 579         RELRO=" "
 580
 581         LD_FLAG=wshared
 582         COMBRELOC=ldscripts/${EMULATION_NAME}.xsco.tmp
 583         ( echo "/* Script for -shared -z combreloc -z relro */"
 584           source_sh ${CUSTOMIZER_SCRIPT}
 585           source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 586         ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xsco
 587         rm -f ${COMBRELOC}
 588
 589         LD_FLAG=wsharedtextonly
 590         COMBRELOC=ldscripts/${EMULATION_NAME}.xsceo.tmp
 591         ( echo "/* Script for -shared -z combreloc -z separate-code -z relro */"
 592           source_sh ${CUSTOMIZER_SCRIPT}
 593           source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 594         ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xsceo
 595         rm -f ${COMBRELOC}
 596
 597         LD_FLAG=rowsharedtextonly
 598         COMBRELOC=ldscripts/${EMULATION_NAME}.xsceor.tmp
 599         ( echo "/* Script for -shared -z combreloc -z separate-code -z relro --rosegment */"
 600           source_sh ${CUSTOMIZER_SCRIPT}
 601           source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 602         ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xsceor
 603         rm -f ${COMBRELOC}
 604
 605         unset RELRO
 606     fi
 607
 608     COMBRELOC=
 609   fi
 610
 611   unset CREATE_SHLIB
 612 fi
 613
 614 if test -n "$GENERATE_PIE_SCRIPT"; then
 615   CREATE_PIE=" "
 616
 617   DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}}
 618   LD_FLAG=pie
 619   ( echo "/* Script for -pie */"
 620     source_sh ${CUSTOMIZER_SCRIPT}
 621     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 622   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xd
 623
 624   LD_FLAG=pietextonly
 625   ( echo "/* Script for -pie -z separate-code */"
 626     source_sh ${CUSTOMIZER_SCRIPT}
 627     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 628   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xde
 629
 630   LD_FLAG=ropietextonly
 631   ( echo "/* Script for -pie -z separate-code --rosegment */"
 632     source_sh ${CUSTOMIZER_SCRIPT}
 633     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 634   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xder
 635
 636   if test -n "$GENERATE_RELRO_SCRIPT"; then
 637       RELRO=" "
 638
 639       LD_FLAG=pie
 640       ( echo "/* Script for -pie -z relro */"
 641         source_sh ${CUSTOMIZER_SCRIPT}
 642         source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 643       ) | sed -e '/^ *$/d;s/[    ]*$//' > ldscripts/${EMULATION_NAME}.xdo
 644
 645       LD_FLAG=pietextonly
 646       ( echo "/* Script for -pie -z separate-code -z relro */"
 647         source_sh ${CUSTOMIZER_SCRIPT}
 648         source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 649       ) | sed -e '/^ *$/d;s/[    ]*$//' > ldscripts/${EMULATION_NAME}.xdeo
 650
 651       LD_FLAG=ropietextonly
 652       ( echo "/* Script for -pie -z separate-code -z relro --rosegment */"
 653         source_sh ${CUSTOMIZER_SCRIPT}
 654         source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 655       ) | sed -e '/^ *$/d;s/[    ]*$//' > ldscripts/${EMULATION_NAME}.xdeor
 656
 657       unset RELRO
 658   fi
 659
 660   if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
 661     DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}}
 662     COMBRELOC=ldscripts/${EMULATION_NAME}.xdc.tmp
 663     LD_FLAG=cpie
 664     ( echo "/* Script for -pie -z combreloc */"
 665       source_sh ${CUSTOMIZER_SCRIPT}
 666       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 667     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xdc
 668     rm -f ${COMBRELOC}
 669
 670     LD_FLAG=cpietextonly
 671     COMBRELOC=ldscripts/${EMULATION_NAME}.xdce.tmp
 672     ( echo "/* Script for -pie -z combreloc -z separate-code */"
 673       source_sh ${CUSTOMIZER_SCRIPT}
 674       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 675     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xdce
 676     rm -f ${COMBRELOC}
 677
 678     LD_FLAG=rocpietextonly
 679     COMBRELOC=ldscripts/${EMULATION_NAME}.xdcer.tmp
 680     ( echo "/* Script for -pie -z combreloc -z separate-code --rosegment */"
 681       source_sh ${CUSTOMIZER_SCRIPT}
 682       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 683     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xdcer
 684     rm -f ${COMBRELOC}
 685
 686     RELRO_NOW=" "
 687
 688     LD_FLAG=wpie
 689     COMBRELOC=ldscripts/${EMULATION_NAME}.xdw.tmp
 690     ( echo "/* Script for -pie -z combreloc -z relro -z now */"
 691       source_sh ${CUSTOMIZER_SCRIPT}
 692       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 693     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xdw
 694     rm -f ${COMBRELOC}
 695
 696     LD_FLAG=wpietextonly
 697     COMBRELOC=ldscripts/${EMULATION_NAME}.xdwe.tmp
 698     ( echo "/* Script for -pie -z combreloc -z separate-code -z relro -z now */"
 699       source_sh ${CUSTOMIZER_SCRIPT}
 700       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 701     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xdwe
 702     rm -f ${COMBRELOC}
 703
 704     LD_FLAG=rowpietextonly
 705     COMBRELOC=ldscripts/${EMULATION_NAME}.xdwer.tmp
 706     ( echo "/* Script for -pie -z combreloc -z separate-code -z relro -z now --rosegment */"
 707       source_sh ${CUSTOMIZER_SCRIPT}
 708       source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 709     ) | sed -e '/^ *$/d;s/[      ]*$//' > ldscripts/${EMULATION_NAME}.xdwer
 710     rm -f ${COMBRELOC}
 711
 712     unset RELRO_NOW
 713
 714     if test -n "$GENERATE_RELRO_SCRIPT"; then
 715         RELRO=" "
 716
 717         LD_FLAG=wpie
 718         COMBRELOC=ldscripts/${EMULATION_NAME}.xdco.tmp
 719         ( echo "/* Script for -pie -z combreloc -z relro */"
 720           source_sh ${CUSTOMIZER_SCRIPT}
 721           source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 722         ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xdco
 723         rm -f ${COMBRELOC}
 724
 725         LD_FLAG=wpietextonly
 726         COMBRELOC=ldscripts/${EMULATION_NAME}.xdceo.tmp
 727         ( echo "/* Script for -pie -z combreloc -z separate-code -z relro */"
 728           source_sh ${CUSTOMIZER_SCRIPT}
 729           source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 730         ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xdceo
 731         rm -f ${COMBRELOC}
 732
 733         LD_FLAG=rowpietextonly
 734         COMBRELOC=ldscripts/${EMULATION_NAME}.xdceor.tmp
 735         ( echo "/* Script for -pie -z combreloc -z separate-code -z relro --rosegment */"
 736           source_sh ${CUSTOMIZER_SCRIPT}
 737           source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 738         ) | sed -e '/^ *$/d;s/[  ]*$//' > ldscripts/${EMULATION_NAME}.xdceor
 739         rm -f ${COMBRELOC}
 740
 741         unset RELRO
 742     fi
 743
 744     COMBRELOC=
 745   fi
 746
 747   unset CREATE_PIE
 748 fi
 749
 750 if test -n "$GENERATE_AUTO_IMPORT_SCRIPT"; then
 751   LD_FLAG=auto_import
 752   DATA_ALIGNMENT=${DATA_ALIGNMENT_}
 753   ( echo "/* Script for --enable-auto-import */"
 754     source_sh ${CUSTOMIZER_SCRIPT}
 755     source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
 756   ) | sed -e '/^ *$/d;s/[        ]*$//' > ldscripts/${EMULATION_NAME}.xa
 757 fi
 758
 759 case "$COMPILE_IN: $EMULATION_LIBPATH " in
 760     :*" ${EMULATION_NAME} "*) COMPILE_IN=yes;;
 761 esac
 762
 763 # PR ld/5652:
 764 # Determine if the shell has support for the variable BASH_LINENO.
 765 # When it is the case, it is only available inside functions.
 766 has_lineno()
 767 {
 768   test "x$BASH_LINENO" != "x"
 769 }
 770
 771 # Enable accruate error source in the compiler error messages, if possible.
 772 if has_lineno; then
 773   . ${srcdir}/genscrba.sh
 774 else
 775   source_em()
 776   {
 777     source_sh $1
 778   }
 779   fragment()
 780   {
 781     cat >> e${EMULATION_NAME}.c
 782   }
 783 fi
 784
 785 # Generate e${EMULATION_NAME}.c.
 786 # Start with an empty file, then the sourced .em script
 787 # can use the "fragment" function to append.
 788 > e${EMULATION_NAME}.c
 789 source_em ${srcdir}/emultempl/${TEMPLATE_NAME-generic}.em
 790
 791 if test -n "${DEPDIR}"; then
 792   ecdeps=
 793   for dep in `cat ${DEPDIR}/e${EMULATION_NAME}.Tc`; do
 794     case " $ecdeps " in
 795       *" $dep "*): ;;
 796       *) ecdeps="$ecdeps $dep" ;;
 797     esac
 798   done
 799   rm -f ${DEPDIR}/e${EMULATION_NAME}.Tc
 800   echo "e${EMULATION_NAME}.c:${ecdeps}" > ${DEPDIR}/e${EMULATION_NAME}.Pc
 801 fi