[LLVMdev] Using LLVM to target the JVM

Evan Jones ejones at uwaterloo.ca
Tue Mar 1 09:33:37 PST 2005

On Mar 1, 2005, at 12:13, Chris Lattner wrote:
> Interesting, do you know of any documentation that describes how this 
> works?  Does it just map the memory image for the mips program onto a 
> giant array of bytes?

int32 values, actually. The best documentation I have found is the 
description of mips2java. It seems to be down, so I've included a link 
via google's cache


Here is the relevant information:

> Architecture Representation
> Conveniently, we can represent main memory as a Java int[][], which 
> allows efficient accesses so long as they are aligned, 
> 32-bit-word-at-a-time accesses. The first index is the top 16 bits of 
> the address; the second index is the lower 16 bits. This allows us to 
> allocate Java memory to the MIPS emulator in 64kb slabs.

(there are more details on that page)

Evan Jones

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