Re: jikes vs. kaffe bug

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From: Godmar Back (gback@cs.utah.edu)
Date: Tue Dec 22 1998 - 02:24:52 EST


 My flight was canceled... so I'm still here...

>
> Hmm.. seems the Exception problems with Jikes only happen in JIT
> mode, not in interpreter mode..
>
> I'm looking into it but don't know alot about the JIT stuff.
> My guess is that NOP's are confusing the PC counter, or something..

Yes. Kaffe assumed that the bytecode instruction at the end of
an exception handler range would have a corresponding valid native pc.
However, only bytecode instructions that already emit native instructions
have a valid native pc. Nop is not among them.

My fix is to simply skip bytecode instructions until I find one that has
a valid native pc.

        - Godmar


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