Re: [PATCH 4/6] Implement support for SystemTap probes

Tom Tromey
2011-04-07T17:04:57Z

>>>>> "Yao" == Yao Qi <yao@codesourcery.com> writes:

>> + pc_probe = find_probe_by_pc (pc, &objfile);

Yao> I don't understand this part. We are looking for probe by matching
Yao> frame's PC here, but address of stap_probe is the address where the
Yao> probe is inserted. So, probably, we can't find any probe here, is that
Yao> correct?

I believe that the frame PC here actually is the location of the probe.
Is there a situation where this would not be the case?

stap-probe.exp specifically checks this code, by evaluating probe
arguments at a probe point.

Tom