Java monitor bytecode

Question

I'm trying to find out if monitorenter/monitorexit bytecodes can work across methods using any standard type of JVM. I'm not sure but it looks like java compiler automatically puts in the code to catch/rethrow exceptions & exit the monitor if one happens to occur in a synchronized block. Does anyone know if this is true? Has anyone tried doing this before?
Thanks in advance.

Answer 1

The VM spec says:
Normally, a compiler for the Java programming language ensures that the lock operation implemented by a monitorenter instruction executed prior to the execution of the body of the synchronized statement is matched by an unlock operation implemented by a monitorexit instruction whenever the synchronized statement completes, whether completion is normal or abrupt.
So it seems that you should be able to get away with whatever evil trickery you plan. Good luck, and please don't use it in production code.