[Bug translator/5916] New: Exploit kretprobe entry_handler + data pouch?

["jkenisto at us dot ibm dot com" <sourceware-bugzilla at sourceware dot org>]

As of Linux 2.6.25-rc1, kretprobes contains the per-kretprobe_instance "data
pouch" prototyped by Kevin Stafford years ago.  When a kretprobed function is
entered, and a kretprobe_instance is available, rp->entry_handler (if any) is
called to pouch data that can be retrieved upon function return.

I don't know how the translator-generated code pouches entry-time data for use
in return probes, but perhaps this new kretprobes feature could make it simpler
and/or more efficient.

-- 
           Summary: Exploit kretprobe entry_handler + data pouch?
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: enhancement
          Priority: P2
         Component: translator
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: jkenisto at us dot ibm dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=5916

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