protected String getBlockName(Program pgm, Address addr) {
		Memory mem = pgm.getMemory();
		MemoryBlock block = mem.getBlock(addr);
		if (block != null) {
			return block.getName();
		}
		return "";
	}
Constructs a new XRefFieldFactory based on the provider and model.

@param name the owner of this field factory
@param model the model that the field belongs to.
@param hlProvider the HightLightProvider.
@param displayOptions the Options for display properties.
@param fieldOptions the Options for field specific properties.
Ghidra/Features/Base/src/main/java/ghidra/app/util/viewer/field/XRefFieldFactory.java