Eliot Miranda wrote:
> Hi All,
>
>     I now have an x86 simulator integrated into Squeak that can 
> execute code form a ByteArray, Bitmap etc.  So I'm now ready to write 
> the JIT code generator.  I want a simple framework that can convert 
> from an abstract register-transfer-level instruction set to a concrete 
> machine code, x86/IA32 in the first instance.  I wonder what 
> frameworks there are that I can, um, exploit.  The end result must be 
> Smalltalk code that can generate machine code and can be translated 
> via Slang to C.  I've already extended Slang somewhat for the Stack VM 
> so that simple classes can be converted to structs.  But the Slang 
> technology I have is still a long way from translating arbitrary 
> Smalltalk to C, so when you think "Smalltalk framework" think "Limited 
> Smalltalk/C hybrid framework".
>
> I know that Exupery has an assembler in it but it is quite high-level 
> and oriented to textual assembly whereas my JIT will have no assembler 
> level in it, just stack contents abstractions (to model receiver, 
> arguments, temporaries, intermediates, constants, etc), register 
> transfer level and concrete machine code.  I know Ian has written the 
> exact framework I need but in C.  Are there any other candidates?
>
> Ian, how difficult would it be to translate your framework (ccg?) into 
> Smalltalk so that it can be translated back into C via Slang?  My 
> guess is not too hard.  Have you got a pointer to an up-to-date ccg? 
>  Also, what other ISAs does it target?
>
> best
> Eliot
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>
>
>   
Hi,
I don't know of any stuff for x86
There was a framework to make ARM code directly from Squeak by the 
Interval people. Tim Rowledge hosted that code before. There is also 
PIC/Smaltalk.

Karl