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|
#!/bin/sh
show_name=0
show_ver=0
show_arch=0
show_default=1
fname=""
usage="usage: $0 [option]... <cls_filename>\n"
usage=$usage"options:\n"
usage=$usage"\t-n, --name\n"
usage=$usage"\t-v, --ver\n"
usage=$usage"\t-a, --arch\n"
usage_exit() {
printf "$usage"
exit 1
}
err_exit() {
echo "Error: $*"
exit 1
}
while [ $# -ge 1 ]; do
case $1 in
-n | --name )
show_name=1
show_default=0
;;
-v | --ver )
show_ver=1
show_default=0
;;
-a | --arch )
show_arch=1
show_default=0
;;
* )
[ -n "$fname" ] && usage_exit
fname=$1
;;
esac
shift
done
[ -z "$fname" ] && usage_exit
if [ $show_default -eq 1 ]; then
show_name=1
show_ver=1
show_arch=1
fi
[ -e "$fname" ] || err_exit "File not found: ${fname}"
if [ $show_name -eq 1 ]; then
raw_name=`nm $fname | grep __cls_name__`
name=`echo $raw_name | sed 's/.*cls_name__//g'`
[ -z "$name" ] && err_exit "Could not detect class name"
s=$name
c=" "
fi
if [ $show_ver -eq 1 ]; then
raw_ver=`nm $fname | grep __cls_ver__`
ver=`echo $raw_ver | sed 's/.*cls_ver__//g; s/_/./g'`
[ -z "$ver" ] && err_exit "Could not detect class version"
s=$s$c$ver
c=" "
fi
if [ $show_arch -eq 1 ]; then
raw_arch=`readelf -h $fname | grep Machine`
arch=""
[ `echo $raw_arch | grep -c 386` -gt 0 ] && arch="i386"
[ `echo $raw_arch | grep -c 86-64` -gt 0 ] && arch="x86-64"
[ -z "$arch" ] && err_exit "unknown file architecture"
s=$s$c$arch
c=" "
fi
echo $s
|
