def METHOD_NAME(self):
    lst = []
    if self.cfg is None:
        return lst
    for v in self.cfg.memory_data.values():
        if v.sort == "string":
            if self._function is None:
                lst.append(v)
            else:
                xrefs = self._xrefs
                if v.addr in xrefs.xrefs_by_dst:
                    for xref in xrefs.xrefs_by_dst[v.addr]:
                        if xref.block_addr in self._function.block_addrs_set:
                            lst.append(v)
                            break
    return lst