[Vm-dev] The idea of VM Learning Toolkit

Mariano Martinez Peck marianopeck at gmail.com
Tue Apr 19 17:32:15 UTC 2011


Hi guys. Since several months, I wanted to create a little browser for
learning VM and related stuff. I never did anything because I was lazy. Last
week, I took Glamour and without knowing almost anything about it, in less
than 3 hours, I come up with what I want to share with you. Basically, I
only have the browsers for the moment. My knowledge is very limited in the
Slang to C translator, or machine code simulation. The only thing I need is
CompiledMethod >> #asCString and #asMachineCode. Eliot told me he was going
to provide me such stuff for machine code, and hopefully Dave can help me
with the C code.

Having said that, I would like to share what I have in mind:  there are 3
browsers:

1) VMBrowserSlang:  shows only packages and classes which are written in
slang. When you select a method, you have 2 panels: smalltalk code and C
translated code.
Screenshot: http://img857.imageshack.us/i/vmbrowserslang.png/

2) VMBrowserMethods:  shows all packages and classes of the system and for
every method, you have 3 panels: smalltalk code, bytecodes and machine code
(using the simple mapping)
Screenshot: http://img862.imageshack.us/i/vmbrowsermethods.png/

3) VMBrowserMappings: this is for you Eliot!!  Basically, it  shows all
packages and classes of the system and for every method, you have 5 panels:
smalltalk code and one panel per strategy to map to machine code (simple
cogit, sista, etc).
Screenshot:  http://img4.imageshack.us/f/vmbrowsermappings.png/

As soon as someone can provide me the #asMachineCode and #asCString for Cog,
I release it.

What do you think ?

-- 
Mariano
http://marianopeck.wordpress.com
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