[Vm-dev] Re: RFC: Unix 3.11.3-2116 VM

Andreas Raab andreas.raab at gmx.de
Tue Sep 1 16:12:18 UTC 2009


David Farber wrote:
> On Sep 1, 2009, at 9:28 AM, Ian Piumarta wrote:
> 
>> Is enabling IMAGE_DUMP in sqUnixMain.c sufficient for what you need?  
>> We could also have an option that names an image dump file, disabling 
>> the dump if no name is given but still printing the stack.
> 
> I was looking at this code earlier this year.  I couldn't convince 
> myself that the resulting image would actually be usable.  If the VM 
> just dumps the image, then won't you (at the very least) lose all your 
> file handles including the handle to the changes file?  And if you've 
> lost your handle to the changes file then the image won't, for any 
> practical purposes be usable.
> 
> Am I missing something?

The simulator. It can be used to inspect the contents of an image file 
regardless of whether you run it or it. Useful for post-mortem analysis.

Cheers,
   - Andreas


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