001    package serp.bytecode;
002    
003    /**
004     * A synchronization instruction.
005     *
006     * @author Abe White
007     */
008    public abstract class MonitorInstruction extends Instruction {
009        MonitorInstruction(Code owner, int opcode) {
010            super(owner, opcode);
011        }
012    
013        public int getStackChange() {
014            return -1;
015        }
016    }