nmとgrepでシンボル探し

find_function.sh

#!/bin/bash

target_dir=/lib/modules/`uname -r`/
target_type="ko"
func_name=""

function usage()
{
    echo "usage: $1 -d [directory] -t [objecdt type(e.g. so, ko)] -f [function name]"
    exit -1
}

while getopts d:t:f: option
do
    case $option in
        d)
            target_dir=$OPTARG
            ;;
        t)
            target_type=$OPTARG
            ;;
        f)
            func_name=$OPTARG
            ;;
        \?)
            usage $0
            ;;
    esac
done

if [ "$func_name" = "" ]; then
    usage $0
fi

echo "[-]Directory: $target_dir"
echo "[-]File type: $target_type"
echo "[-]Function : $func_name"

files=`find -L "$target_dir" -name "*.$target_type"`
for f in $files
do
    nm --defined-only $f 2>&1 | grep "$func_name"  > /dev/null 
    if [ $? -eq 0 ]; then
        echo $f
    fi
done

exit 0