'Continue execution until an address or function
Usage:
MYNAME address | function'

def xuntil(self, *arg):

    (address,) = normalize_argv(arg, 1)
    if (to_int(address) is None):
        peda.execute(('tbreak    %s' % address))
    else:
        peda.execute(('tbreak    *0x%x' % address))
    pc = peda.getreg('pc')
    if (pc is None):
        peda.execute('run')
    else:
        peda.execute('continue')
    return
