[squeak-dev] Backward image and VM compatibility

Bob Arning arning315 at comcast.net
Wed Dec 21 23:17:55 UTC 2016


Is the current interpreter VM (for the mac) one of the ones on 
http://www.squeakvm.org/mac/? I'm not clear how to parse the names of 
things into what they can or cannot do.


On 12/21/16 5:56 PM, David T. Lewis wrote:
> On Wed, Dec 21, 2016 at 05:15:29PM -0500, Bob Arning wrote:
>> Is there a specific oldest image which current VMs are expected to run?
>>
> A current interpreter VM should run a Squeak 3.2 image, although with some
> problems. It should be able to run images from the Squeak 3.6 and 3.8 era
> without problems. And it should run anything else up to but not including Spur.
>
> Dave
>
>> On 12/21/16 11:38 AM, David T. Lewis wrote:
>>> Following up on this, the backward compatibility for interpreter VM
>>> supporting
>>> old images was broken in VMMaker-dtl.387 of 8 November 2016, due to my
>>> attempt
>>> to align the primitive table closer to Cog/Spur:
>

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