private ListingTextField getTextField(String[] registerStrings, ProxyObj<?> proxy, int xStart) {
		if (registerStrings.length <= 0) {
			return null;
		}

		List<FieldElement> elements = getFieldElements(registerStrings);
		return ListingTextField.createMultilineTextField(this, proxy, elements, xStart, width,
			hlProvider);
	}
Field to show register values at the function entry point.
Ghidra/Features/Base/src/main/java/ghidra/app/util/viewer/field/RegisterFieldFactory.java