#
# Usage: genscripts.sh srcdir libdir exec_prefix \
# host target target_alias default_emulation \
-# native_lib_dirs this_emulation tool_dir
+# native_lib_dirs use_sysroot this_emulation tool_dir
#
# Sample usage:
# genscripts.sh /djm/ld-devo/devo/ld /usr/local/lib /usr/local \
# sparc-sun-sunos4.1.3 sparc-sun-sunos4.1.3 sparc-sun-sunos4.1.3 sun4 \
-# "" sun3 sparc-sun-sunos4.1.3
+# "" no sun3 sparc-sun-sunos4.1.3
# produces sun3.x sun3.xbn sun3.xn sun3.xr sun3.xu em_sun3.c
srcdir=$1
target_alias=$6
EMULATION_LIBPATH=$7
NATIVE_LIB_DIRS=$8
-EMULATION_NAME=$9
+use_sysroot=$9
shift 9
+EMULATION_NAME=$1
+shift
# Can't use ${1:-$target_alias} here due to an Ultrix shell bug.
if [ "x$1" = "x" ] ; then
tool_lib=${exec_prefix}/${target_alias}/lib
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$NATIVE" = "xyes" ; then
+ USE_LIBPATH=yes
+fi
+
# Set the library search path, for libraries named by -lfoo.
# If LIB_PATH is defined (e.g., by Makefile) and non-empty, it is used.
# Otherwise, the default is set here.
#
# The format is the usual list of colon-separated directories.
# To force a logically empty LIB_PATH, do LIBPATH=":".
+#
+# If we are using a sysroot, prefix library paths with "=" to indicate this.
+#
+# If the emulparams file set LIBPATH_SUFFIX, prepend an extra copy of
+# the library path with the suffix applied.
-if [ "x${LIB_PATH}" = "x" ] ; then
- if [ "x${host}" = "x${target}" ] ; then
- case " $EMULATION_LIBPATH " in
- *" ${EMULATION_NAME} "*)
- # Native, and default or emulation requesting LIB_PATH.
- LIB_PATH=${libdir}
- for lib in ${NATIVE_LIB_DIRS}; do
- case :${LIB_PATH}: in
- *:${lib}:*) ;;
- *) LIB_PATH=${LIB_PATH}:${lib} ;;
- esac
- done
- esac
+if [ "x${LIB_PATH}" = "x" ] && [ "x${USE_LIBPATH}" = xyes ] ; then
+ LIB_PATH2=
+ if [ x"$use_sysroot" != xyes ] ; then
+ LIB_PATH2=${libdir}
fi
+ for lib in ${NATIVE_LIB_DIRS}; do
+ # The "=" is harmless if we aren't using a sysroot, but also needless.
+ if [ "x${use_sysroot}" = "xyes" ] ; then
+ lib="=${lib}"
+ fi
+ addsuffix=
+ case "${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} ;;
+ esac
+ fi
+ done
+ case :${LIB_PATH}:${LIB_PATH2}: in
+ *:: | ::*) LIB_PATH=${LIB_PATH}${LIB_PATH2} ;;
+ *) LIB_PATH=${LIB_PATH}:${LIB_PATH2} ;;
+ esac
fi
-# Always search $(tooldir)/lib, aka /usr/local/TARGET/lib.
-LIB_PATH=${tool_lib}:${LIB_PATH}
+
+# 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
+fi
LIB_SEARCH_DIRS=`echo ${LIB_PATH} | sed -e 's/:/ /g' -e 's/\([^ ][^ ]*\)/SEARCH_DIR(\\"\1\\");/g'`
+# We need it for testsuite.
+case " $EMULATION_LIBPATH " in
+ *" ${EMULATION_NAME} "*)
+ test -d tmpdir || mkdir tmpdir
+ test -f tmpdir/libpath.exp || \
+ echo "set libpath \"${LIB_PATH}\"" | sed -e 's/:/ /g' > tmpdir/libpath.exp
+ ;;
+esac
+
# 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
GENERATE_COMBRELOC_SCRIPT=yes
fi
-SEGMENT_SIZE=${SEGMENT_SIZE-${TARGET_PAGE_SIZE}}
+SEGMENT_SIZE=${SEGMENT_SIZE-${MAXPAGESIZE-${TARGET_PAGE_SIZE}}}
# Determine DATA_ALIGNMENT for the 5 variants, using
# values specified in the emulparams/<emulation>.sh file or default.
rm -f ${COMBRELOC}
COMBRELOC=
fi
+ unset CREATE_SHLIB
+fi
+
+if test -n "$GENERATE_PIE_SCRIPT"; then
+ LD_FLAG=pie
+ DATA_ALIGNMENT=${DATA_ALIGNMENT_s-${DATA_ALIGNMENT_}}
+ CREATE_PIE=" "
+ # Note that TEXT_START_ADDR is set to NONPAGED_TEXT_START_ADDR.
+ (
+ echo "/* Script for ld -pie: link position independent executable */"
+ . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xd
+ if test -n "$GENERATE_COMBRELOC_SCRIPT"; then
+ LD_FLAG=cpie
+ DATA_ALIGNMENT=${DATA_ALIGNMENT_sc-${DATA_ALIGNMENT}}
+ COMBRELOC=ldscripts/${EMULATION_NAME}.xc.tmp
+ ( echo "/* Script for -pie -z combreloc: position independent executable, combine & sort relocs */"
+ . ${srcdir}/emulparams/${EMULATION_NAME}.sh
+ . ${srcdir}/scripttempl/${SCRIPT_NAME}.sc
+ ) | sed -e '/^ *$/d;s/[ ]*$//' > ldscripts/${EMULATION_NAME}.xdc
+ rm -f ${COMBRELOC}
+ COMBRELOC=
+ fi
+ unset CREATE_PIE
fi
case " $EMULATION_LIBPATH " in
projects / binutils-gdb.git / blobdiff