#! /bin/bash

if [ "$2" == "" ]; then
    echo "Usage: ooomapstack stackdump debuginfodir"
    echo "e.g.   ooomapstack /tmp/crashdump /usr/lib/debug"
    exit
fi

while read line ; do
    if [ ${#line} -gt 2 ]; then
        if [ ${line:0:2} == "0x" ]; then
            words=($line)
            if [ ${words[2]} == "+" ]; then
	        echo \# $line
            else
                dso=${words[2]}
                debugdso="$2""${words[2]}".debug
                reladdress=${words[4]}

                if [ -e $debugdso ]; then
                    dynamic=${words[1]}
                    dynamic=${dynamic/:/}

                    dsoloadaddr=`readelf -l $debugdso|grep LOAD|head -n 1`
                    dsoloadaddr=`echo $dsoloadaddr| cut -d" " -f 3`

                    debugdynamic=`readelf -l $debugdso|grep DYNAMIC|head -n 1`
                    debugdynamic=`echo $debugdynamic| cut -d" " -f 2`

                    dsoloadaddr=`echo $dsoloadaddr | sed -e 's:^0[bBxX]::' | tr '[a-f]' '[A-F]'`
                    reladdress=`echo $reladdress | sed -e 's:^0[bBxX]::' | tr '[a-f]' '[A-F]'`
                    debugdynamic=`echo $debugdynamic | sed -e 's:^0[bBxX]::' | tr '[a-f]' '[A-F]'`
                    dynamic=`echo $dynamic | sed -e 's:^0[bBxX]::' | tr '[a-f]' '[A-F]'`
                    offlineaddress=`echo "ibase=16;obase=10;$dsoloadaddr+$reladdress+$debugdynamic-$dynamic" | bc`
	            echo $dso : 0x$offlineaddress
                    while read debug; do
                        echo "    "$debug
                    done < <(addr2line -C -e $debugdso -f 0x$offlineaddress)
                else
	            echo $dso : $reladdress
                        echo "    "$debugdso missing
                        echo "    "`echo $line | cut -d " " -f 3-`
                fi
	    fi
        fi
    fi
done < <(cat $1)