X-Git-Url: http://git.efficios.com/?a=blobdiff_plain;f=ld%2Fgenscripts.sh;h=3853f9b859d6465a1f9eab00d8ba147af3fb1397;hb=c6cbf900d42cf8f2ebbcf33d799c52c54b9aa9f0;hp=7882a418bf3b1ff5a852483a3cc3986f64b5120a;hpb=de566389ca05df16872de9b85ca473157d36703d;p=deliverable%2Fbinutils-gdb.git diff --git a/ld/genscripts.sh b/ld/genscripts.sh index 7882a418bf..3853f9b859 100755 --- a/ld/genscripts.sh +++ b/ld/genscripts.sh @@ -1,61 +1,635 @@ -# This shell script does the work of generating the ld-emulation-target -# specific information from a specific file of paramaters. -# Usage: genscripts.sh srcdir host_alias target_alias emulation_name +#!/bin/sh +# genscripts.sh - generate the ld-emulation-target specific files +# Copyright (C) 2004-2019 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 -host_alias=$2 -target_alias=$3 - -# Include the emulation-specic parameters: -. ${srcdir}/$4 - -# Set the library search path (for libraries named by -lfoo). -# If LIB_PATH is defined (and non-empty), it is used. -# (The format is the usual list of colon-separated directories.) -# (To force a logically empty LIB_PATH, do LIBPATH=":".) -# Otherwise, the default is /lib:/usr/lib:/usr/local/lib, -# unless cross-compiling, in which case the default remains empty. - -if [ "x${LIB_PATH}" = "x" -a "x${host_alias}" = "x${target_alias}" ] ; then - LIB_PATH=/lib:/usr/lib:/usr/local/lib -fi -LIB_SEARCH_DIRS=`echo ${LIB_PATH} | tr ':' ' ' | sed -e 's/\([^ ][^ ]*\)/SEARCH_DIR(\1);/g'` - -# This script generates 5 script files from the master script template -# in ${srcdir}/${SCRIPT_NAME}.sh. Which one of the 5 script files -# is actually used depends on command line flags given to ld. -# The actual script is filtered through the mkscript program -# to convert it to a form suitable for including in a C program -# as a C string literal. -# -# A .x script file is the default script. -# A .xr script is for linking without relocation (-r flag). -# A .xu script is like .xr, but *do* create constructors (-Ur flag). -# A .xn script is for linking with -n flag (mix text and data on same page). -# A .xN script is for linking with -N flag (mix text and data on same page). - -THIS_TEXT_START_ADDR=${TEXT_START_ADDR} -SEGMENT_SIZE=${SEGMENT_SIZE-${PAGE_SIZE}} - -DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})" -FILTER_SCRIPT="" -(. ${srcdir}/${SCRIPT_NAME}.sc-sh) | sed -e '/^ *$/d' | ./mkscript \ - >${EMULATION_NAME}.xr -CONSTRUCTING= -(. ${srcdir}/${SCRIPT_NAME}.sc-sh) | sed -e '/^ *$/d' | ./mkscript \ - >${EMULATION_NAME}.xu -RELOCATING= -(. ${srcdir}/${SCRIPT_NAME}.sc-sh) | sed -e '/^ *$/d' | ./mkscript \ - >${EMULATION_NAME}.x -THIS_TEXT_START_ADDR=${NONPAGED_TEXT_START_ADDR-${TEXT_START_ADDR}} -(. ${srcdir}/${SCRIPT_NAME}.sc-sh) | sed -e '/^ *$/d' | ./mkscript \ - >${EMULATION_NAME}.xn -DATA_ALIGNMENT="." -(. ${srcdir}/${SCRIPT_NAME}.sc-sh) | sed -e '/^ *$/d' | ./mkscript \ - >${EMULATION_NAME}.xN - -#sed -e s/""/${EMULATION_NAME}/g -e s/""/${ARCH}/g \ -# -e s/""/${EMULATION_NAME}/g -e s/""/${OUTPUT_FORMAT}/g \ -# <${srcdir}/${TEMPLATE_NAME-ldtemplate} >ld__${EMULATION_NAME}.c - -. ${srcdir}/${TEMPLATE_NAME-generic}.em +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