[Vm-dev] Simulator Question

Gabriel Hernán Barbuto gbarbuto at gmail.com
Tue Dec 7 13:25:33 UTC 2010

Thank you very much Dave for your answer. I am new to this, and I need
to figure out why an image is not loading.

I will try this. The other thing that I am trying is building a VM and
debug to see why it hangs while loading the image.

Best regards

On Tue, Dec 7, 2010 at 2:14 PM, David T. Lewis <lewis at mail.msen.com> wrote:
> On Tue, Dec 07, 2010 at 01:16:57PM +0100, Gabriel Hern?n Barbuto wrote:
>> Hi
>> I've been trying to run the simulator. I've been able to run the
>> StackInterpreterSimulator. But I need to run the pre-Cog VM simulator.
>> Does anyone know if it's working? Can anyone point me to anything that
>> explains how to run it?
>> Thanks in advance.
>> Gabriel
> The only documentation that I can remember seeing is the class comment
> of InterpreterSimulator, which says:
>  This class defines basic memory access and primitive simulation so that
>  the Interpreter can run simulated in the Squeak environment.  It also
>  defines a number of handy object viewing methods to facilitate pawing
>  around in the object memory.
>  To see the thing actually run, you could (after backing up this image
>  and changes), execute
>        (InterpreterSimulator new openOn: Smalltalk imageName) test
>  and be patient both to wait for things to happen, and to accept various
>  things that may go wrong depending on how large or unusual your image
>  may be.  We usually do this with a small and simple benchmark image.
>  You will probably have more luck using InterpreteSimulatorLSB or
>  InterpreterSimulatorMSB as befits your machine.
> I'm no expert here, but stepping through the above in a debugger is
> enough to get you started.
> Dave

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