'bss(offset=0) -> int
Returns:
Address of the ``.bss`` section, plus the specified offset.'

def bss(self, offset=0):

    orig_bss = self.get_section_by_name('.bss').header.sh_addr
    curr_bss = ((orig_bss - self.load_addr) + self.address)
    return (curr_bss + offset)
