__checksum_update_object
__checksum_update_object(sym, 0, "len", &sym->len, sizeof(sym->len));
__checksum_update_object(sym, 0, "data",
__checksum_update_object(sym, sym_offset,
__checksum_update_object(sym, sym_offset, "reloc name",
__checksum_update_object(sym, sym_offset, "reloc addend",