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