#!/bin/sh
#
# Created 18H21
#

if [ $# -ne 1 ]; then
    cat << EOL
Usage: $(basename $0) symbol ...

EOL
    exit 1
fi

SYM="$1"

SYSKEXTDIR=/System/Library/Extensions/System.kext/PlugIns
[ ! -d $SYSKEXTDIR ] && echo "$SYSKEXTDIR not found" && exit 1

for KEXT in $SYSKEXTDIR/*.kext; do
    EXEC=$(basename $KEXT .kext)
    if [ -f "$KEXT/$EXEC" -a -x "$KEXT/$EXEC" ]; then
        nm "$KEXT/$EXEC" | grep -iq "$SYM" || continue

        echo "$EXEC:"
        nm "$KEXT/$EXEC" | grep -i "$SYM" && echo

        INFO="$KEXT/Info.plist"
        if [ -f "$INFO" ]; then
            cat "$INFO" | grep CFBundleIdentifier -A 1 | tail -1 | sed 's/<.*>\(.*\)<\/.*>/\1/'
            cat "$INFO" | grep OSBundleCompatibleVersion -A 1 | tail -1 | sed 's/<.*>\(.*\)<\/.*>/\1/'
        fi
    fi
done