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SubjectRe: csum_partial_copy_fromuser patch, #2
Date
> 
> Date: Mon, 3 Feb 1997 21:06:31 +0100 (MET)
> From: Ingo Molnar <mingo@pc5829.hil.siemens.at>
>
> On Mon, 3 Feb 1997, Jakub Jelinek wrote:
>
> > [...] The fixup would then look down callee's pc, look in there to see
> > if exception handling wanted. [...]
>
> how do you do this? GCC is free to do anything with the stack.
>
> Jakub forgets sometimes that not all architectures are as nice as
> Sparc for this sort of thing. Callers PC is always in a consistant
> place, no stack frame mess, it is just there in the right register.
>

Well, but I guess we're talking about routines in that may and should be
written in assembly and there it is I think easy on every architecture to
guess the return pc...

.u$e.
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