Re: native code produced by Java bytecode JIT compilers

Joe Hummel <jhummel@crispix.ICS.UCI.EDU> writes:


> I was hoping for an easier way, e.g. that JIT compilers cache
> their results in some standard place, or perhaps there is a Java
> API for getting at the native code.


Short answer: no.


The document you want to see is "The Java Native Code API" by Frank
Yellin (see http://www.javasoft.com, look for documentation index).


This document defines the C interfaces that must be supported by a JIT
compiler that will "integrate" with the Sun implementation of the Java
Virtual Machine. I just checked this document and there is no
interface to "ask for" JIT-ted (argh) code --- the result of a design
choice I would presume: looks like Sun wants to keep the VM and the
JIT compiler as two distinct components that interact with each other
through the interfaces defined in this document.


Anand.
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