Re: objc_msgSendSuper implementation?

[Luboš Doležel]

On Fri, 5 Oct 2012 21:04:54 +0100, David Chisnall wrote:
> On 5 Oct 2012, at 10:05, Luboš Doležel wrote:
>
> > 1) Why isn't objc_msgSend() anywhere in the header files?
>
> Because it's only implemented on X86-[64] and ARM (and almost MIPS)
> and I didn't get around to exposing it.  Clang will use it, however,
> if you specify the correct runtime.
>
> > 2) Could you please also implement objc_msgSendSuper()?
>
> I'm not overly motivated to do this, because we automatically cache
> message sends to super and that provides a faster path.

And what exactly is the fast path? objc_msg_lookup_super()?
Because I wrote my own objc_msgSendSuper()/objc_msgSendSuper2() in 
assembly that passes the arguments on to objc_msg_lookup_super and then 
jumps to the return value of that.

--
Luboš Doležel