Re: Classpath build process and VM-specific issues

[Michael Koch]

Am Dienstag, 6. April 2004 22:57 schrieb David Lichteblau:
> Quoting Etienne Gagnon (address@hidden):
> > I would really like to see the native counterpart of your opaque
> > types and compare the "theoretical" performance of it relative to
> > the byte array proposal.
>
> Sorry if I lost track of the discussion, but when the proposal of an
> abstract class for virtual machine data came up, I thought that one
> of the reasons for this boxing was the portability to virtual
> machines of any kind.  A byte array approach would have performance
> and design implications not for JNI-based implementations, but for
> more exotic VMs which do not have any native pointers at all (IKVM?).
>
> Also, is this still about the Class.vmData slot?  I note that the
> proposed java.nio patch already uses a RawData class.

It uses RawData because it did for a long time. When things calm down 
here and we have a decision on it I will change it accordingly. RawData 
was used because I developed NIO for libgcj first due to several 
reasons and RawData is somehow a natural choice for me when using CNI.


Michael