#!/bin/sh # genscripts.sh - generate the ld-emulation-target specific files # Copyright (C) 2004-2023 Free Software Foundation, Inc. # # This file is part of the Gnu Linker. # # This program is free software; you can redistribute it and/or modify # it under the terms of the GNU General Public License as published by # the Free Software Foundation; either version 3, or (at your option) # any later version. # # This program is distributed in the hope that it will be useful, # but WITHOUT ANY WARRANTY; without even the implied warranty of # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the # GNU General Public License for more details. # # You should have received a copy of the GNU General Public License # along with GLD; see the file COPYING. If not, write to the Free # Software Foundation, 51 Franklin Street - Fifth Floor, Boston, MA # 02110-1301, USA. # # Usage: genscripts_extra.sh \ # srcdir \ # libdir \ # prefix \ # exec_prefix \ # host \ # target \ # target_alias \ # default_emulation \ # native_lib_dirs \ # use_sysroot \ # enable_initfini_array \ # this_emulation \ # optional: # tool_dir # # Sample usage: # # genscripts_extra.sh \ # /sources/ld \ # /usr/local/lib \ # /usr/local \ # /usr/local \ # sparc-sun-sunos4.1.3 \ # sparc-sun-sunos4.1.3 \ # sparc-sun-sunos4.1.3 \ # sun4 \ # "" \ # no \ # sun3 \ # sparc-sun-sunos4.1.3 \ # sparc.sh # # produces the linker scripts: # # sun3.x [default linker script] # sun3.xbn [used when the linker is invoked with "-N"] # sun3.xn [used when the linker is invoked with "-n"] # sun3.xr [used when the linker is invoked with "-r"] # sun3.xu [used when the linker is invoked with "-Ur"] # # depending on platform specific settings linker scripts with the # following suffixes might be generated as well: # # xdwe: -pie -z combreloc -z separate-code -z relro -z now # xdw: -pie -z combreloc -z relro -z now # xdceo: -pie -z combreloc -z separate-code -z relro # xdce: -pie -z combreloc -z separate-code # xdco: -pie -z combreloc -z relro # xdc: -pie -z combreloc # xdeo: -pie -z separate-code -z relro # xde: -pie -z separate-code # xdo: -pie -z relro # xd: -pie # # xswe: -shared -z combreloc -z separate-code -z relro -z now # xsw: -shared -z combreloc -z relro -z now # xsceo: -shared -z combreloc -z separate-code -z relro # xsce: -shared -z combreloc -z separate-code # xsco: -shared -z combreloc -z relro # xsc: -shared -z combreloc # xseo: -shared -z separate-code -z relro # xse: -shared -z separate-code # xso: -shared -z relro # xs: -shared # # xwe: -z combreloc -z separate-code -z relro -z now # xw: -z combreloc -z relro -z now # xceo: -z combreloc -z separate-code -z relro # xce: -z combreloc -z separate-code # xco: -z combreloc -z relro # xc: -z combreloc # xeo: -z separate-code -z relro # xe: -z separate-code # xo: -z relro # # # It also produced the C source file: # # em_sun3.c # # which is then compiled into the linker. # # The linker scripts are created by running the shell script # /sources/ld/emulparams/sparc.sh to set the value of ${SCRIPT_NAME} # (and any other variables it wants to). ${SCRIPT_NAME} is then # invoked with a variable called ${LD_FLAG} to tell it which version # of the linker script to create. srcdir=$1 libdir=$2 prefix=$3 exec_prefix=$4 host=$5 target=$6 target_alias=$7 DEPDIR=$8 shift 8 LIB_PATH=$1 EMULATION_LIBPATH=$2 NATIVE_LIB_DIRS=$3 use_sysroot=$4 ENABLE_INITFINI_ARRAY=$5 shift 5 EMULATION_NAME=$1 TOOL_LIB=$2 source_sh() { if test -n "${DEPDIR}"; then echo $1 >> ${DEPDIR}/e${EMULATION_NAME}.Tc fi . $1 } if test -n "${DEPDIR}"; then rm -f ${DEPDIR}/e${EMULATION_NAME}.Tc fi # Include the emulation-specific parameters: CUSTOMIZER_SCRIPT="${srcdir}/emulparams/${EMULATION_NAME}.sh" source_sh ${CUSTOMIZER_SCRIPT} if test -d ldscripts; then true else mkdir ldscripts fi # Set some flags for the emultempl scripts. USE_LIBPATH will # be set for any libpath-using emulation; NATIVE will be set for a # libpath-using emulation where ${host} = ${target}. NATIVE # may already have been set by the emulparams file, but that's OK # (it'll just get set to "yes" twice). case " $EMULATION_LIBPATH " in *" ${EMULATION_NAME} "*) if [ "x${host}" = "x${target}" ] ; then NATIVE=yes USE_LIBPATH=yes elif [ "x${use_sysroot}" = "xyes" ] ; then USE_LIBPATH=yes fi ;; esac # If the emulparams file sets NATIVE, make sure USE_LIBPATH is set also. if test "x$NATIVE" = "xyes" ; then USE_LIBPATH=yes fi # Set the library search path, for libraries named by -lfoo. # If LIB_PATH is defined (e.g., by Makefile) and non-empty, it is used. # Otherwise, the default is set here. # # The format is the usual list of colon-separated directories. # To force a logically empty LIB_PATH, do LIBPATH=":". # # If we are using a sysroot, prefix library paths with "=" to indicate this. # # If the emulparams file set LIBPATH_SUFFIX, prepend an extra copy of # the library path with the suffix applied. # Paths with LIBPATH_SUFFIX lib_path1= # Paths without LIBPATH_SUFFIX lib_path2= if [ "${LIB_PATH}" != ":" ] ; then lib_path2=${LIB_PATH} fi # Add args to lib_path1 and lib_path2, discarding any duplicates append_to_lib_path() { if [ $# != 0 ]; then for lib in "$@"; do # The "=" is harmless if we aren't using a sysroot, but also needless. if [ "x${use_sysroot}" = "xyes" ] ; then lib="=${lib}" fi skip_lib=no for libpath_suffix in ${LIBPATH_SUFFIX}; do case "${lib}" in *${libpath_suffix}) case :${lib_path1}: in *:${lib}:*) ;; ::) lib_path1=${lib} ;; *) lib_path1=${lib_path1}:${lib} ;; esac ;; *) if test -n "${LIBPATH_SUFFIX_SKIP}"; then case "${lib}" in *${LIBPATH_SUFFIX_SKIP}) skip_lib=yes ;; esac fi if test "${skip_lib}" = "no"; then case :${lib_path1}: in *:${lib}${libpath_suffix}:*) ;; ::) lib_path1=${lib}${libpath_suffix} ;; *) lib_path1=${lib_path1}:${lib}${libpath_suffix} ;; esac fi ;; esac done if test "${skip_lib}" = "no"; then case :${lib_path1}:${lib_path2}: in *:${lib}:*) ;; *::) lib_path2=${lib} ;; *) lib_path2=${lib_path2}:${lib} ;; esac fi done fi } # Always search $(tooldir)/lib, aka /usr/local/TARGET/lib when native # except when LIBPATH=":". if [ "${LIB_PATH}" != ":" ] ; then libs= if [ "x${TOOL_LIB}" = "x" ] ; then if [ "x${NATIVE}" = "xyes" ] ; then libs="${exec_prefix}/${target_alias}/lib" fi else # For multilib'ed targets, ensure both ${target_alias}/lib${LIBPATH_SUFFIX} # and ${TOOL_LIB}/lib${LIBPATH_SUFFIX} are in the default search path, # because 64bit libraries may be in both places, depending on # cross-development setup method (e.g.: /usr/s390x-linux/lib64 # vs. /usr/s390-linux/lib64) for libpath_suffix in ${LIBPATH_SUFFIX}; do case "${NATIVE}:${libpath_suffix}:${TOOL_LIB}" in :* | *::* | *:*:*${libpath_suffix}) ;; *) libs="${exec_prefix}/${target_alias}/lib${libpath_suffix}" ;; esac done libs="${exec_prefix}/${TOOL_LIB}/lib ${libs}" fi append_to_lib_path ${libs} fi if [ "x${LIB_PATH}" = "x" ] && [ "x${USE_LIBPATH}" = xyes ] ; then libs=${NATIVE_LIB_DIRS} if [ "x${NATIVE}" = "xyes" ] ; then case " ${libs} " in *" ${libdir} "*) ;; *) libs="${libdir} ${libs}" ;; esac fi append_to_lib_path ${libs} fi case :${lib_path1}:${lib_path2}: in *:: | ::*) LIB_PATH=${lib_path1}${lib_path2} ;; *) LIB_PATH=${lib_path1}:${lib_path2} ;; esac LIB_SEARCH_DIRS=`echo ${LIB_PATH} | sed -e 's/:/ /g' -e 's/\([^ ][^ ]*\)/SEARCH_DIR(\\"\1\\");/g'` # We need it for testsuite. set $EMULATION_LIBPATH if [ "x$1" = "x$EMULATION_NAME" ]; then test -d tmpdir || mkdir tmpdir rm -f tmpdir/libpath.exp echo "set libpath \"${LIB_PATH}\"" | sed -e 's/:/ /g' > tmpdir/libpath.exp fi if [ "x$SCRIPT_NAME" = "xelf" ]; then GENERATE_COMBRELOC_SCRIPT=yes fi SEGMENT_SIZE=${SEGMENT_SIZE-${MAXPAGESIZE-${TARGET_PAGE_SIZE}}} # Determine DATA_ALIGNMENT for the 5 variants, using # values specified in the emulparams/.sh file or default. DATA_ALIGNMENT_="${DATA_ALIGNMENT_-${DATA_ALIGNMENT-ALIGN(${SEGMENT_SIZE})}}" DATA_ALIGNMENT_n="${DATA_ALIGNMENT_n-${DATA_ALIGNMENT_}}" DATA_ALIGNMENT_N="${DATA_ALIGNMENT_N-${DATA_ALIGNMENT-.}}" DATA_ALIGNMENT_r="${DATA_ALIGNMENT_r-${DATA_ALIGNMENT-}}" DATA_ALIGNMENT_u="${DATA_ALIGNMENT_u-${DATA_ALIGNMENT_r}}" LD_FLAG=r DATA_ALIGNMENT=${DATA_ALIGNMENT_r} DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})" ( echo "/* Script for -r */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xr LD_FLAG=u DATA_ALIGNMENT=${DATA_ALIGNMENT_u} CONSTRUCTING=" " ( echo "/* Script for -Ur */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xu DATA_ALIGNMENT=${DATA_ALIGNMENT_} RELOCATING=" " LD_FLAG= ( echo "/* Default linker script, for normal executables */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.x LD_FLAG=textonly ( echo "/* Script for -z separate-code */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xe if test -n "$GENERATE_RELRO_SCRIPT"; then LD_FLAG= RELRO=" " ( echo "/* Script for -z relro */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xo LD_FLAG=textonly ( echo "/* Script for -z separate-code -z relro */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xeo unset RELRO fi LD_FLAG=n DATA_ALIGNMENT=${DATA_ALIGNMENT_n} ( echo "/* Script for -n */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xn LD_FLAG=N DATA_ALIGNMENT=${DATA_ALIGNMENT_N} ( echo "/* Script for -N */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xbn if test -n "$GENERATE_COMBRELOC_SCRIPT"; then DATA_ALIGNMENT=${DATA_ALIGNMENT_c-${DATA_ALIGNMENT_}} LD_FLAG=c COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp ( echo "/* Script for -z combreloc */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xc rm -f ${COMBRELOC} LD_FLAG=ctextonly COMBRELOC=ldscripts/${EMULATION_NAME}.xce.tmp ( echo "/* Script for -z combreloc -z separate-code */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xce rm -f ${COMBRELOC} RELRO_NOW=" " LD_FLAG=w COMBRELOC=ldscripts/${EMULATION_NAME}.xw.tmp ( echo "/* Script for -z combreloc -z relro -z now */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xw rm -f ${COMBRELOC} LD_FLAG=wtextonly COMBRELOC=ldscripts/${EMULATION_NAME}.xwe.tmp ( echo "/* Script for -z combreloc -z separate-code -z relro -z now */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xwe rm -f ${COMBRELOC} COMBRELOC= unset RELRO_NOW if test -n "$GENERATE_RELRO_SCRIPT"; then LD_FLAG=c RELRO=" " COMBRELOC=ldscripts/${EMULATION_NAME}.xco.tmp ( echo "/* Script for -z combreloc -z relro */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xco rm -f ${COMBRELOC} LD_FLAG=ctextonly COMBRELOC=ldscripts/${EMULATION_NAME}.xceo.tmp ( echo "/* Script for -z combreloc -z separate-code -z relro */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xceo rm -f ${COMBRELOC} COMBRELOC= unset RELRO fi fi if test -n "$GENERATE_SHLIB_SCRIPT"; then DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}} CREATE_SHLIB=" " LD_FLAG=shared ( echo "/* Script for -shared */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xs LD_FLAG=sharedtextonly ( echo "/* Script for -shared -z separate-code */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xse if test -n "$GENERATE_RELRO_SCRIPT"; then RELRO=" " LD_FLAG=shared ( echo "/* Script for -shared -z relro */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xso LD_FLAG=sharedtextonly ( echo "/* Script for -shared -z separate-code -z relro */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xseo unset RELRO fi if test -n "$GENERATE_COMBRELOC_SCRIPT"; then DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}} LD_FLAG=cshared COMBRELOC=ldscripts/${EMULATION_NAME}.xsc.tmp ( echo "/* Script for -shared -z combreloc */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsc rm -f ${COMBRELOC} LD_FLAG=csharedtextonly COMBRELOC=ldscripts/${EMULATION_NAME}.xsce.tmp ( echo "/* Script for -shared -z combreloc -z separate-code */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsce rm -f ${COMBRELOC} RELRO_NOW=" " LD_FLAG=wshared COMBRELOC=ldscripts/${EMULATION_NAME}.xsw.tmp ( echo "/* Script for -shared -z combreloc -z relro -z now */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsw rm -f ${COMBRELOC} LD_FLAG=wsharedtextonly COMBRELOC=ldscripts/${EMULATION_NAME}.xswe.tmp ( echo "/* Script for -shared -z combreloc -z separate-code -z relro -z now */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xswe rm -f ${COMBRELOC} unset RELRO_NOW if test -n "$GENERATE_RELRO_SCRIPT"; then LD_FLAG=wshared RELRO=" " COMBRELOC=ldscripts/${EMULATION_NAME}.xsco.tmp ( echo "/* Script for -shared -z combreloc -z relro */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsco rm -f ${COMBRELOC} LD_FLAG=wsharedtextonly COMBRELOC=ldscripts/${EMULATION_NAME}.xsceo.tmp ( echo "/* Script for -shared -z combreloc -z separate-code -z relro */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsceo rm -f ${COMBRELOC} unset RELRO fi COMBRELOC= fi unset CREATE_SHLIB fi if test -n "$GENERATE_PIE_SCRIPT"; then DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}} CREATE_PIE=" " LD_FLAG=pie ( echo "/* Script for -pie */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xd LD_FLAG=pietextonly ( echo "/* Script for -pie -z separate-code */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xde if test -n "$GENERATE_RELRO_SCRIPT"; then RELRO=" " LD_FLAG=pie ( echo "/* Script for -pie -z relro */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdo LD_FLAG=pietextonly ( echo "/* Script for -pie -z separate-code -z relro */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdeo unset RELRO fi if test -n "$GENERATE_COMBRELOC_SCRIPT"; then DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}} COMBRELOC=ldscripts/${EMULATION_NAME}.xdc.tmp LD_FLAG=cpie ( echo "/* Script for -pie -z combreloc */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdc rm -f ${COMBRELOC} LD_FLAG=cpietextonly COMBRELOC=ldscripts/${EMULATION_NAME}.xdce.tmp ( echo "/* Script for -pie -z combreloc -z separate-code */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdce rm -f ${COMBRELOC} RELRO_NOW=" " LD_FLAG=wpie COMBRELOC=ldscripts/${EMULATION_NAME}.xdw.tmp ( echo "/* Script for -pie -z combreloc -z relro -z now */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdw rm -f ${COMBRELOC} LD_FLAG=wpietextonly COMBRELOC=ldscripts/${EMULATION_NAME}.xdwe.tmp ( echo "/* Script for -pie -z combreloc -z separate-code -z relro -z now */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdwe rm -f ${COMBRELOC} unset RELRO_NOW if test -n "$GENERATE_RELRO_SCRIPT"; then LD_FLAG=wpie RELRO=" " COMBRELOC=ldscripts/${EMULATION_NAME}.xdco.tmp ( echo "/* Script for -pie -z combreloc -z relro */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdco rm -f ${COMBRELOC} LD_FLAG=wpietextonly COMBRELOC=ldscripts/${EMULATION_NAME}.xdceo.tmp ( echo "/* Script for -pie -z combreloc -z separate-code -z relro */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdceo rm -f ${COMBRELOC} unset RELRO fi COMBRELOC= fi unset CREATE_PIE fi if test -n "$GENERATE_AUTO_IMPORT_SCRIPT"; then LD_FLAG=auto_import DATA_ALIGNMENT=${DATA_ALIGNMENT_} ( echo "/* Script for --enable-auto-import */" source_sh ${CUSTOMIZER_SCRIPT} source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xa fi case "$COMPILE_IN: $EMULATION_LIBPATH " in :*" ${EMULATION_NAME} "*) COMPILE_IN=yes;; esac # PR ld/5652: # Determine if the shell has support for the variable BASH_LINENO. # When it is the case, it is only available inside functions. has_lineno() { test "x$BASH_LINENO" != "x" } # Enable accruate error source in the compiler error messages, if possible. if has_lineno; then . ${srcdir}/genscrba.sh else source_em() { source_sh $1 } fragment() { cat >> e${EMULATION_NAME}.c } fi # Generate e${EMULATION_NAME}.c. # Start with an empty file, then the sourced .em script # can use the "fragment" function to append. > e${EMULATION_NAME}.c source_em ${srcdir}/emultempl/${TEMPLATE_NAME-generic}.em if test -n "${DEPDIR}"; then ecdeps= for dep in `cat ${DEPDIR}/e${EMULATION_NAME}.Tc`; do case " $ecdeps " in *" $dep "*): ;; *) ecdeps="$ecdeps $dep" ;; esac done rm -f ${DEPDIR}/e${EMULATION_NAME}.Tc echo "e${EMULATION_NAME}.c:${ecdeps}" > ${DEPDIR}/e${EMULATION_NAME}.Pc fi