@Override
	public FieldFactory newInstance(FieldFormatModel formatModel,
			ListingHighlightProvider highlightProvider, ToolOptions toolOptions,
			ToolOptions fieldOptions) {
		return new RegisterFieldFactory(formatModel, highlightProvider, toolOptions, fieldOptions);
	}
Field to show register values at the function entry point.
Ghidra/Features/Base/src/main/java/ghidra/app/util/viewer/field/RegisterFieldFactory.java