[Bug tapsets/2433] sys_groupexit in blacklist
guanglei at cn dot ibm dot com
sourceware-bugzilla@sourceware.org
Thu Apr 6 03:43:00 GMT 2006
------- Additional Comments From guanglei at cn dot ibm dot com 2006-04-06 03:43 -------
(In reply to comment #2)
> It must indeed be just a typo.
>
> However, I wonder whether the kretprobes situation is such that these two
> blacklist items are no longer needed. Or for that matter, why does
> src/tapset/syscalls.stp make ".return" probe aliases to either of these two
> never-returning calls.
I think the syscall.exit & syscall.exit_group should be deleted from
src/tapset/syscalls.stp. And do_exit should also be added into blacklist.
For these never-return functions, it won't cause runtime error if a return probe
is putting on them since these probes will never be hit. But making tapsets.cxx
give warnings about return probles on these never-return functions could let the
user know it's useless to do that, instead of waiting for executions of probe
handlers. Not all users know about these never-return functions.
--
http://sourceware.org/bugzilla/show_bug.cgi?id=2433
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