type.py 文件源码

def _refs_to_tablegroup(self):
        from itertools import chain

        if self.tablegroup is None:
            return []

        candidates = []

        # For now just use the first table array
        primary_table = self.tablegroup.primary_table()

        # When debug symbols are present, the decompile will usually
        # refer to the function table as an offset from the start
        # of the vtable, so also allow references to that.
        references = chain(idautils.XrefsTo(primary_table.address_point),
                           idautils.XrefsTo(self.tablegroup.ea))

        for ref in references:
            start = as_signed(idc.GetFunctionAttr(ref.frm, idc.FUNCATTR_START),
                              TARGET_ADDRESS_SIZE)
            if start == -1:
                continue
            candidates.append(start)
        return candidates