Article on Sun's DTrace

[Steven Smith]

> > It's also possible to put probes on the return instruction of the
> > function.  I'm not sure how they're actually finding that, though.
> I think the return probe is done by adding a call probe that changes the 
> return address.
Yeah, I thought that when I first saw it, but the probe is passed the
address of the return instruction when it fires, and I can't see how
you could get that if it was just invoked by modifying the return
address on the call stack.

Steven.
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