public int getUnwindHelpDisplacement()
			throws UndefinedValueException, InvalidDataTypeException {
		checkValidity();
		if (isRelative()) {
			// component 7 is UnwindHelp pointer or displacement.
			return EHDataTypeUtilities.getCount(getDataType(), 7, getMemBuffer());
		}
		throw new UndefinedValueException(
			"No UnwindHelp displacement, since it isn't defined for this program.");
	}
Gets the address of the unwind help, if it exists. Otherwise, this returns null.
@return the address of the unwind help or null.
@throws UndefinedValueException if this FuncInfo doesn't specify the UnwindHelp displacement.
@throws InvalidDataTypeException if valid FuncInfo data can't be created at the model's address.
Ghidra/Features/MicrosoftCodeAnalyzer/src/main/java/ghidra/app/cmd/data/exceptionhandling/EHFunctionInfoModel.java