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|
#!/bin/sh
#
# $NetBSD: check-ksyms.sh,v 1.1 2007/08/22 16:43:36 jlam Exp $
#
# check-ksyms.sh verifies that the given symbols are found in the booted
# kernel file.
#
: ${ECHO=echo}
: ${GREP=grep}
: ${GZIP_CMD=gzip}
: ${NM=nm}
: ${RM=rm}
: ${TMPDIR=/tmp}
self="check-ksyms"
verbose=
while [ $# -gt 0 ]; do
case $1 in
-v) verbose=yes; shift ;;
--) shift; break ;;
-*) ${ECHO} 1>&2 "$self [-v] symbol ..."; exit 2 ;;
*) break ;;
esac
done
# Locate kernel.
PATH=/sbin:/usr/sbin:${PATH}; export PATH
booted_kernel=
kernlist="/netbsd /netbsd.gz /onetbsd /onetbsd.gz"
kern=`sysctl -n machdep.booted_kernel 2>/dev/null`
if [ -z "$kern" ]; then
kernlist="$kern $kernlist"
fi
for k in $kernlist; do
if [ -f "$k" ]; then
booted_kernel="$k"
break
fi
done
if [ -z "$booted_kernel" ]; then
${ECHO} 1>&2 "$self: could not determine the booted kernel."
exit 2
fi
pattern=
for symbol # in command-line arguments
do
if [ -z "$pattern" ]; then
pattern="$symbol"
else
pattern="$pattern\|$symbol"
fi
done
# If there are no symbols to check, then exit with success.
[ -n "$pattern" ] || exit 0
if [ ! -d "${TMPDIR}" ]; then
${ECHO} 1>&2 "$self: ${TMPDIR} does not exist."
exit 2
fi
ksymsfile="${TMPDIR}/ksyms.$self.$$"
# Clean up when we receive the following signals: INT QUIT ABRT KILL TERM.
trap "${RM} -f \"$ksymsfile\"" 2 3 6 9 15
case $booted_kernel in
*.gz) ${GZIP_CMD} -d < "$booted_kernel" | ${NM} > "$ksymsfile" ;;
*) ${NM} "$booted_kernel" > "$ksymsfile" ;;
esac
# Loop through the symbols and check that each of them are in $ksymsfile.
exitcode=0
while [ $# -gt 0 ]; do
symbol="$1"; shift
if [ x"$verbose" = xyes ]; then
cmd="${GREP} \"$symbol\" \"$ksymsfile\" 2>/dev/null"
else
cmd="${GREP} \"$symbol\" \"$ksymsfile\" >/dev/null 2>&1"
fi
if eval $cmd; then
:
else
${ECHO} 1>&2 "$self: symbol $symbol not found in $booted_kernel"
exitcode=1
break
fi
done
${RM} -f "$ksymsfile"
exit $exitcode
|
