@Override
	public String getRepresentation(MemBuffer buf, Settings settings, int length) {
		Address addr = (Address) getValue(buf, settings, length);
		if (addr == null) {
			return "??";
		}
		return addr.toString();

	}
Creates a PC relative address data type using the bottom 31 bits.
@param dtm the data type manager associated with this data type.
Ghidra/Features/Base/src/main/java/ghidra/app/plugin/exceptionhandlers/gcc/datatype/PcRelative31AddressDataType.java