'Check whether the address belongs to a hook or a syscall.
:param int addr:    The address to check.
:return:            True if the address is hooked or belongs to a syscall. False otherwise.
:rtype:             bool'

def _addr_hooked_or_syscall(self, addr):

    return (self.project.is_hooked(addr) or self.project._simos.is_syscall_addr(addr))
