Richard Earnshaw <rearnsha@buzzard.freeserve.co.uk> writes:
> Sure, so the issue is that the kernel signal despatching code has to be 
> sure to re-align the stack before posting the signal (and to restore the 
> correct value if the handler returns).

Yah.  This isn't hard, and indeed, most of the work is already done.

It already has to adjust the SP going into the signal handler.  That's
just one extra operation.

IT already has to make sure it's restored (or set to whatever's in the
context left by the handler) going out of the signal handler, and I
don't think that'd have to be changed at all.


cgd