cmp-so

compare-so.sh

#!/bin/bash -e

if [ -z "$OBJDUMP" ]; then
    OBJDUMP="$(which objdump)"
    echo "Using $OBJDUMP"
fi

LEFT=$1
RIGHT=$2

if [ -z "$LEFT" ] || [ -z "$RIGHT" ]; then
    exit 1
fi

echo "Comparing $LEFT vs $RIGHT"

cmp_so() {

    # Left
    cd $(dirname $LEFT)
    $OBJDUMP $* $(basename $LEFT) | tail +3 > "/tmp/cmp.left"

    # Right
    cd $(dirname $RIGHT)
    $OBJDUMP $* $(basename $RIGHT) | tail +3 > "/tmp/cmp.right"

    diff "/tmp/cmp.left" "/tmp/cmp.right"
}

cmp_hexdump() {

    # Left
    cd $(dirname $LEFT)
    hexdump -C $(basename $LEFT) > "/tmp/cmp.left"

    # Right
    cd $(dirname $RIGHT)
    hexdump -C $(basename $RIGHT) > "/tmp/cmp.right"

    diff "/tmp/cmp.left" "/tmp/cmp.right"

}

echo "-> All sections"
cmp_so -D
echo "-> Symbol table"
cmp_so -t
echo "-> Dynamic symbol table"
cmp_so -T
echo "-> Hexdump"
cmp_hexdump