Versioning longjmp etc.

[Ulrich Drepper]

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Steve Munroe wrote:

> I want to make VMX as usable as possible, without undefined behaviors or 
> undocumented restrictions. 

The compiler knows about setjmp/longjmp.  It will store the register
content in memory around these calls.


> How about get/set/make/swapcontext? The size of ucontext will change as a 
> result of VMX state in sigcontext. This requires versioning.

Hasn't it already changed?  If not, yes, ppc sucks again and requires
versioning.

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