FUNCTION::RETURNVAL(3stap) Errno Tapset FUNCTION::RETURNVAL(3stap)

NAME
       function::returnval - Possible return value of probed function

SYNOPSIS
           returnval:long()

ARGUMENTS
       None

DESCRIPTION
       Return the value of the register in which function values are typically
       returned. Can be used in probes where $return isn't available. This is
       only a guess of the actual return value and can be totally wrong.
       Normally only used in dwarfless probes.

SEE ALSO
       tapset::errno(3stap)



SystemTap Tapset Reference         June 2018        FUNCTION::RETURNVAL(3stap)