[Vm-dev] Can FFI be used with an Alien-aware VM?

Eliot Miranda eliot.miranda at gmail.com
Thu Apr 16 02:17:12 UTC 2009

Hi Jay,

On Wed, Apr 15, 2009 at 6:45 PM, Jay Hardesty <jay.hardesty at gmail.com>wrote:

> Hello - new question:
> Can FFI be used in an Alien-aware VM?

I don't understand the question.  Can you ask in more detail?


> Having built a new Mac VM I get "Callout mechanism not available",
> though the FFI classes and plugin seem to be in place
> (SqueakFFIPrims.bundle in 'Sqeak VM Opt.app/Contents/Resource').

Have you checked that the bindle looks right?  There should be an
executable SqueakFFIPrims.bundle/Contents/MacOS/SqueakFFIPrims

$ file Squeak\ VM\
Squeak VM
Mach-O bundle i386

Also, Applescript generates an error on startup at
> ApplscriptInstance>>primOpenDefaultConfiguration: type subtype:
> subtype  because the TestOSAPlugin is not defined (although this
> plugin was not defined in my previous 3.8-biuilt VM).  Not sure if
> this might be related to Alien/FFI somehow..

I don't think the two are at all related.

> Thanks once again for all the help (hopefully getting closer).
> Jay
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