[Bug tapsets/10574] New: Some functions resolve to pc=0x0

["jistone at redhat dot com" <sourceware-bugzilla at sourceware dot org>]

We resolve actually quite a few functions to a null pc:

$ stap -l 'process("/usr/bin/stap").function("*")' -vv 2>&1 | grep pc=0x0 | wc -l
1917

These null pcs get carried all the way into the stap_uprobe_specs array.  It
doesn't seem to have any ill effect at runtime, but it's doubtful that probes at
offset 0 in a module are of any use.

Depending on the root cause, we should either skip over these null addresses, or
search further for what the real entrypc should be.

-- 
           Summary: Some functions resolve to pc=0x0
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: tapsets
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: jistone at redhat dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=10574

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