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[Bug translator/2900] New: Using $return variable with return probe causes stap to exit probe on ppc64


I tried the new $return variable for return probe on ppc64, and found that it
does  not work.

#stap -vv -e 'probe kernel.function("sys_read").return{ bytes=$return;
printf("%d\n", bytes)}'

[....]
Pass 4: compiled C into "stap_7909.ko" in 2680usr/180sys/2740real ms.
Pass 5: starting run.
Running sudo /root/stap_testing_200607101607/install/libexec/systemtap/stpd -r
-u root -d 7909 /tmp/stapWtzxoc/stap_7909.ko
ERROR: pointer dereference fault near identifier 'bytes' at <input>:1:43
WARNING: Number of errors: 1, skipped probes: 0
Pass 5: run completed in 10usr/30sys/39real ms.
Running rm -rf /tmp/stapWtzxoc

-- 
           Summary: Using $return variable with return probe causes stap to
                    exit probe on ppc64
           Product: systemtap
           Version: unspecified
            Status: NEW
          Severity: normal
          Priority: P2
         Component: translator
        AssignedTo: systemtap at sources dot redhat dot com
        ReportedBy: hien at us dot ibm dot com


http://sourceware.org/bugzilla/show_bug.cgi?id=2900

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