[squeak-dev] Re: Cog VMMaker.oscog-eem.114/r2485

Eliot Miranda eliot.miranda at gmail.com
Mon Aug 8 20:49:45 UTC 2011

Hi All,

    and now http://www.mirandabanda.org/files/Cog/VM/VM.r2486 includes
Igor's rule 41 code in the BitBltPlugin, and includes a real multi-threaded
linux VM.  The one in r2485 is only single-threaded due to a regression in a
build script.

On Sun, Aug 7, 2011 at 10:55 PM, Eliot Miranda <eliot.miranda at gmail.com>wrote:

> Hi All,
>     please find new VMs in
> http://www.mirandabanda.org/files/Cog/VM/VM.r2485/.  These fix a couple of
> long-standing bugs.  One is a rare crash in GC on copying a compiled method,
> caused by the VM not making sure that a copy of a method that has been
> compiled to machine code is an independent copy.  The other is a potential
> bug in GC with become where a become causes some machine code methods to
> gain references to young objects but the VM forgets to include these methods
> in the young referrers (those machine code methods that refer to young
> objects).
> --
> best,
> Eliot

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