[Vm-dev] off-topic garbage

David T. Lewis lewis at mail.msen.com
Sat Dec 13 22:52:00 UTC 2014

On Sat, Dec 13, 2014 at 12:00:43PM -0800, Eliot Miranda wrote:
> Hi All,
>     I'm debugging the 64-bit variant of the Spur GC, having got the real
> 64-bit Spur Stack VM to start-up and progress to the first GC (albeit with
> the border of a window displayed in the wrong colour).


>  In doing so I
> looked at the list of to-be-collected objects at the first full GC in the
> simulator.  I'll list them here.  What are they you wonder?  These are the
> objects that are unreachable in a snapshotted image that has been converted
> to 64-bits.  So they're objects that I suspect are always reclaimed on the
> first GC.  They're the objects comprising the screen menu that was opened
> to save and quit the image.  Here's ones I printed out to investigate:

Interesting catch. It makes sense when you think about it, but I never would
have thought about it.


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