How to use debuginfo rpms

I have a debuginfo rpm (link) pdns-debuginfo-3.4.1-1.el6.MIND.x86_64.rpm I want to remote debug pdns. But i don't know how to use the debuginfo rpm. I have installed gdb gdbserver on my linux box. But i am novice in c++. So could you help me in how to remote debug pdns.