#!/bin/sh
# genscripts.sh - generate the ld-emulation-target specific files
-# Copyright 2007 Free Software Foundation, Inc.
+# Copyright (C) 2004-2019 Free Software Foundation, Inc.
#
# This file is part of the Gnu Linker.
#
# default_emulation \
# native_lib_dirs \
# use_sysroot \
+# enable_initfini_array \
# this_emulation \
# optional:
-# tool_dir \
-# customizer_script
+# tool_dir
#
# Sample usage:
#
# 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"]
-# and maybe:
-# sun3.xc [used when the linker is invoked with "-z combreloc"]
-# sun3.xsc [used when the linker is invoked with "--shared"]
-# sun3.xdc [used when the linker is invoked with "-pie"]
-# sun3.xa [used when the linker is invoked with "--enable-auto-import"]
+#
+# 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:
#
host=$5
target=$6
target_alias=$7
-EMULATION_LIBPATH=$8
-NATIVE_LIB_DIRS=$9
-shift 9
-use_sysroot=$1
-EMULATION_NAME=$2
-TOOL_LIB=$3
-CUSTOMIZER_SCRIPT=$4
-
-# Can't use ${TOOL_LIB:-$target_alias} here due to an Ultrix shell bug.
-if [ "x${TOOL_LIB}" = "x" ] ; then
- tool_lib=${exec_prefix}/${target_alias}/lib
-else
- tool_lib=${exec_prefix}/${TOOL_LIB}/lib
-fi
+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
+ . $1
+}
-if [ "x${CUSTOMIZER_SCRIPT}" = "x" ] ; then
- CUSTOMIZER_SCRIPT=${EMULATION_NAME}
+if test -n "${DEPDIR}"; then
+ rm -f ${DEPDIR}/e${EMULATION_NAME}.Tc
fi
-CUSTOMIZER_SCRIPT="${srcdir}/emulparams/${CUSTOMIZER_SCRIPT}.sh"
# Include the emulation-specific parameters:
-. ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
+CUSTOMIZER_SCRIPT="${srcdir}/emulparams/${EMULATION_NAME}.sh"
+source_sh ${CUSTOMIZER_SCRIPT}
if test -d ldscripts; then
true
# If the emulparams file set LIBPATH_SUFFIX, prepend an extra copy of
# the library path with the suffix applied.
-if [ "x${LIB_PATH}" = "x" ] && [ "x${USE_LIBPATH}" = xyes ] ; then
- LIB_PATH2=
+# Paths with LIBPATH_SUFFIX
+lib_path1=
+# Paths without LIBPATH_SUFFIX
+lib_path2=
+if [ "${LIB_PATH}" != ":" ] ; then
+ lib_path2=${LIB_PATH}
+fi
- libs=${NATIVE_LIB_DIRS}
- if [ "x${use_sysroot}" != "xyes" ] ; then
- case " ${libs} " in
- *" ${libdir} "*) ;;
- *) libs="${libdir} ${libs}" ;;
- esac
- case " ${libs} " in
- *" ${tool_lib} "*) ;;
- *) libs="${tool_lib} ${libs}" ;;
- esac
+# 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
-
- for lib in ${libs}; do
- # The "=" is harmless if we aren't using a sysroot, but also needless.
- if [ "x${use_sysroot}" = "xyes" ] ; then
- lib="=${lib}"
+}
+
+# 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
- addsuffix=
- case "${LIBPATH_SUFFIX}:${lib}" in
- :*) ;;
- *:*${LIBPATH_SUFFIX}) ;;
- *) addsuffix=yes ;;
- esac
- if test -n "$addsuffix"; then
- case :${LIB_PATH}: in
- *:${lib}${LIBPATH_SUFFIX}:*) ;;
- ::) LIB_PATH=${lib}${LIBPATH_SUFFIX} ;;
- *) LIB_PATH=${LIB_PATH}:${lib}${LIBPATH_SUFFIX} ;;
- esac
- case :${LIB_PATH}:${LIB_PATH2}: in
- *:${lib}:*) ;;
- *::) LIB_PATH2=${lib} ;;
- *) LIB_PATH2=${LIB_PATH2}:${lib} ;;
- esac
- else
- case :${LIB_PATH2}: in
- *:${lib}:*) ;;
- ::) LIB_PATH2=${lib} ;;
- *) LIB_PATH2=${LIB_PATH2}:${lib} ;;
+ 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
- fi
- done
-
- case :${LIB_PATH}:${LIB_PATH2}: in
- *:: | ::*) LIB_PATH=${LIB_PATH}${LIB_PATH2} ;;
- *) LIB_PATH=${LIB_PATH}:${LIB_PATH2} ;;
- esac
+ done
+ libs="${exec_prefix}/${TOOL_LIB}/lib ${libs}"
+ fi
+ append_to_lib_path ${libs}
fi
-# Always search $(tooldir)/lib, aka /usr/local/TARGET/lib, except for
-# sysrooted configurations and when LIBPATH=":".
-if [ "x${use_sysroot}" != "xyes" ] ; then
- case :${LIB_PATH}: in
- ::: | *:${tool_lib}:*) ;;
- ::) LIB_PATH=${tool_lib} ;;
- *) LIB_PATH=${tool_lib}:${LIB_PATH} ;;
- esac
- # For multilib targets, search both $tool_lib dirs
- if [ "x${LIBPATH_SUFFIX}" != "x" ] ; then
- case :${LIB_PATH}: in
- ::: | *:${tool_lib}${LIBPATH_SUFFIX}:*) ;;
- ::) LIB_PATH=${tool_lib}${LIBPATH_SUFFIX} ;;
- *) LIB_PATH=${tool_lib}${LIBPATH_SUFFIX}:${LIB_PATH} ;;
+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.
echo "set libpath \"${LIB_PATH}\"" | sed -e 's/:/ /g' > tmpdir/libpath.exp
fi
-# Generate 5 or 6 script files from a master script template in
-# ${srcdir}/scripttempl/${SCRIPT_NAME}.sh. Which one of the 5 or 6
-# script files is actually used depends on command line options given
-# to ld. (SCRIPT_NAME was set in the emulparams_file.)
-#
-# 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 .xbn script is for linking with -N flag (mix text and data on same page).
-# A .xs script is for generating a shared library with the --shared
-# flag; it is only generated if $GENERATE_SHLIB_SCRIPT is set by the
-# emulation parameters.
-# A .xc script is for linking with -z combreloc; it is only generated if
-# $GENERATE_COMBRELOC_SCRIPT is set by the emulation parameters or
-# $SCRIPT_NAME is "elf".
-# A .xsc script is for linking with --shared -z combreloc; it is generated
-# if $GENERATE_COMBRELOC_SCRIPT is set by the emulation parameters or
-# $SCRIPT_NAME is "elf" and $GENERATE_SHLIB_SCRIPT is set by the emulation
-# parameters too.
-
if [ "x$SCRIPT_NAME" = "xelf" ]; then
GENERATE_COMBRELOC_SCRIPT=yes
fi
LD_FLAG=r
DATA_ALIGNMENT=${DATA_ALIGNMENT_r}
DEFAULT_DATA_ALIGNMENT="ALIGN(${SEGMENT_SIZE})"
-( echo "/* Script for ld -r: link without relocation */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
- . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
-) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xr
+( 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 ld -Ur: link w/out relocation, do create constructors */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
- . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
-) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xu
+( echo "/* Script for -Ur */"
+ source_sh ${CUSTOMIZER_SCRIPT}
+ source_sh ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xu
-LD_FLAG=
DATA_ALIGNMENT=${DATA_ALIGNMENT_}
RELOCATING=" "
+LD_FLAG=
( echo "/* Default linker script, for normal executables */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
- . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
-) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.x
-
+ 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: mix text and data on same page */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
- . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
-) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xn
+( 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: mix text and data on same page; don't align data */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
- . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
-) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xbn
+( 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: combine and sort reloc sections */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
- . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
- ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xc
+ ( 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 ${COMBRELOC}
- LD_FLAG=w
RELRO_NOW=" "
+ LD_FLAG=w
COMBRELOC=ldscripts/${EMULATION_NAME}.xw.tmp
- ( echo "/* Script for -z combreloc -z now -z relro: combine and sort reloc sections */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
- . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
- ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xw
+ ( 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
- LD_FLAG=shared
DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}}
CREATE_SHLIB=" "
- (
- echo "/* Script for ld --shared: link shared library */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
- . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
- ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xs
+ 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
- LD_FLAG=cshared
DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}}
+ LD_FLAG=cshared
COMBRELOC=ldscripts/${EMULATION_NAME}.xsc.tmp
- ( echo "/* Script for --shared -z combreloc: shared library, combine & sort relocs */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
- . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
- ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsc
+ ( 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 ${COMBRELOC}
- LD_FLAG=wshared
RELRO_NOW=" "
+ LD_FLAG=wshared
COMBRELOC=ldscripts/${EMULATION_NAME}.xsw.tmp
- ( echo "/* Script for --shared -z combreloc -z now -z relro: shared library, combine & sort relocs */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
- . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
- ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xsw
+ ( 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 ${COMBRELOC}
- COMBRELOC=
unset RELRO_NOW
+
+ if test -n "$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
- LD_FLAG=pie
DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}}
CREATE_PIE=" "
- (
- echo "/* Script for ld -pie: link position independent executable */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
- . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
- ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xd
+ 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
- LD_FLAG=cpie
DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}}
COMBRELOC=ldscripts/${EMULATION_NAME}.xdc.tmp
- ( echo "/* Script for -pie -z combreloc: position independent executable, combine & sort relocs */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
- . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
- ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdc
+ 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 ${COMBRELOC}
- LD_FLAG=wpie
RELRO_NOW=" "
+ LD_FLAG=wpie
COMBRELOC=ldscripts/${EMULATION_NAME}.xdw.tmp
- ( echo "/* Script for -pie -z combreloc -z now -z relro: position independent executable, combine & sort relocs */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
- . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
- ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdw
+ ( 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 ${COMBRELOC}
- COMBRELOC=
unset RELRO_NOW
+
+ if test -n "$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 ld --enable-auto-import: Like the default script except read only data is placed into .data */"
- . ${CUSTOMIZER_SCRIPT} ${EMULATION_NAME}
- . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
- ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xa
+ ( 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 " $EMULATION_LIBPATH " in
- *" ${EMULATION_NAME} "*) COMPILE_IN=true;;
+case "$COMPILE_IN: $EMULATION_LIBPATH " in
+ :*" ${EMULATION_NAME} "*) COMPILE_IN=yes;;
esac
-if test -n "${BASH+set}"; then
- source_em()
- {
- local current_script="$em_script"
- em_script=$1
- . $em_script
- em_script=$current_script
- }
- fragment()
- {
- local lineno=$[${BASH_LINENO[0]} + 1]
- echo >> e${EMULATION_NAME}.c "#line $lineno \"$em_script\""
- cat >> e${EMULATION_NAME}.c
- }
+# PR ld/5652:
+# Determine if the shell has support for the variable BASH_LINENO.
+# When it is the case, it is only available inside functions.
+has_lineno()
+{
+ test "x$BASH_LINENO" != "x"
+}
+
+# Enable accruate error source in the compiler error messages, if possible.
+if has_lineno; then
+ . ${srcdir}/genscrba.sh
else
source_em()
{
- . $1
+ source_sh $1
}
fragment()
{
# can use the "fragment" function to append.
> e${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
projects / deliverable / binutils-gdb.git / blobdiff