def METHOD_NAME(self):
    '''
    If a 32bit linear start address is defined for this file,
    return it.  Returns None if the 32bit entry point extension
    is not present.
    '''
    evas = []
    for fname, chunk in self:
        ctype = int( chunk.recordtype, 16 )
        if ctype in (S7_STARTADDR, S8_STARTADDR, S9_STARTADDR):
            evas.append(int(chunk.address, 16))
    return evas