Re: how essential is ffcall ?

[Dennis Leeuw]

Adam Fedor wrote:

> "Robert E. Hartley" wrote:
> >
> > > How essential is ffcall stuff?
> >
>
> It's used for Invocations and Distributed Objects, which is not
> important for most applications, but it does affect things like Drag and
> Drop, communication with other apps (like the workspace), etc. If you
> don't have it, the default mframe code may or may not work or may
> partially work on your system.
>
> > Is it the same as, or it superceded by the libffi code in GCC v3.0?
> >
>
> libffi is similar, although at the time I wrote the ffcall support,
> libffi didn't support closures on anything except ix86 platforms. Now I
> think it supports more systems, but I haven't looked at it much. You'd
> have to write something similar to the ffcall support that is currently
> in base (see GSFFCallInvocation class, for example).

Is the GSFFIInvocation.m currently available very outdated ?
And when I use libffi from gcc 3.0 what is the way to test if everything
works alright ?
I saw in the changelog of libffi that there is some arm support...

Would be nice to test if it works, just for fun.

Dennis

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