@Override
	public void stepInstruction() {
		assertCompletedInstruction();
		PcodeProgram inj = getInject(counter);
		if (inj != null) {
			instruction = null;
			try {
				executor.execute(inj, getUseropLibrary());
			}
			catch (PcodeExecutionException e) {
				frame = e.getFrame();
				throw e;
			}
		}
		else {
			executeInstruction();
		}
	}
Execute the initializer upon this thread, if applicable

@see AbstractPcodeMachine#getPluggableInitializer(Language)
Ghidra/Framework/Emulation/src/main/java/ghidra/pcode/emu/DefaultPcodeThread.java