gdb_interactive_debugging.py

from subprocess import Popen, PIPE
from time import sleep
import struct

proc = Popen(['gdb', 'ch16'], bufsize=1, stdin=PIPE)

def sendline(param):
    proc.stdin.write(param+'\n')
    sleep(2)

# # Set breakpoint
sendline('b* 0x0804865c')
sendline('b* 0x080485a6')

sendline('r')
sendline('c')
for i in range(0, 4):
    sendline('\x08')
    sendline('x/32wx $esp+0x18')
    sendline('c')


addr = list(struct.pack('<I', 0xbffffabc))
for i in addr:
    sendline(i)
    sendline('x/32wx $esp+0x18')
    sendline('c')