[gambit-list] Problem with interactive development using remote REPL of iOS Sim.

Jason Felice jason.m.felice at gmail.com
Wed Feb 27 10:47:51 EST 2013

A quick look shows that it uses libffi, which doesn't work on iOS because
of the way the stack is protected.


On Wed, Feb 27, 2013 at 9:29 AM, Marc Feeley <feeley at iro.umontreal.ca>wrote:

> On 2013-02-27, at 10:19 AM, Jason Felice <jason.m.felice at gmail.com> wrote:
> > I'd be happy to unblackhole mine if it gets more people involved.
> >
> > The x86_64 part is because ObjC doesn't provide a completely
> machine-abstract way to invoke dynamically.  Each way has some icky flaws.
>  My first goal was actually iOS, but I went down the x86_64 path because
> Mikael had a need for that first.  I'd like the package to have
> x86_64/i386/arm.
> >
> > I did discover that a LOT more machinery is needed for x86_64 than for
> i386 or arm.  Calling conventions on 64-bit are crazy insane (though I now
> have the worst of it solved).
> I agree that there are issues with all approaches.  If possible I'd like
> to avoid using assembly language which is compiler and operating system
> dependent (Objective-C runs on other platforms than iOS and OS X).
> I wonder if there are some ideas we can steal from the Python Objective-C
> bridge:
>   http://pythonhosted.org/pyobjc/
> Marc
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