> 
> 
> below is from kaffe/kaffevm/support.h describes the argument passed 
> from java to sysdepCallMethod. the thing that is interesting is it 
> notes that if an arg is 64 bits it takes 2 slots in the arglist and 
> implys that they are both 64 bits if i read this correctly.  can 
> anyone confirm this?

Yes.
Note that all args in the arglist are jvalue unions, so they *all* take 
64 bits.  

In other words, 50% percent of the memory taken by the arg list is
essentially alignment/padding for index-based access.

> 
> also what is the field argsize used for as its never mentioned.
> 

It's the sum callsize[i] for i = 0 .. nrargs-1.
	
	- Godmar