Find a library method.

findLibrary.sh

function getExportsFromLib() {
	readelf -W -s $1 2> /dev/null |
		egrep "FUNC[ ]+GLOBAL[ ]+DEFAULT[ ]+[0-9]+" |
		sed '/@@*/d;/[0-9][0-9]* _fini/d;/[0-9][0-9]* _init/d;' |
		c++filt |
		awk '{print substr($0, index($0,$8));}' |
		sort |
		uniq;
}

function findMethod() {
    method=$1
    deep=$2

    if [ -n "$deep" ]; then
        for i in `find /usr/lib -type f ! -type l | sed -e '/.*\.so$\|.*[0-9]$/!d'`; do
            found=`getExportsFromLib $i | grep $method`
            if [ -n "$found" ]; then
                echo "Found in $i"
            fi
        done
        return
    fi
    for i in `find /usr/lib -maxdepth 1 -type f ! -type l | sed -e '/.*\.so$\|.*[0-9]$/!d'`; do
            found=`getExportsFromLib $i | grep $method`
            if [ -n "$found" ]; then
                echo "Found in $i"
            fi
    done
}