public String getUseropName(int opNo, PcodeFrame frame) {
		if (opNo < language.getNumberOfUserDefinedOpNames()) {
			return language.getUserDefinedOpName(opNo);
		}
		return frame.getUseropName(opNo);
	}
Get the name of a userop

@param opNo the userop number
@param frame the frame
@return the name, or null if it is not defined
Ghidra/Framework/Emulation/src/main/java/ghidra/pcode/exec/PcodeExecutor.java