1FUNCTION::RETURNVAL(3stap)       Errno Tapset       FUNCTION::RETURNVAL(3stap)
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NAME

6       function::returnval - Possible return value of probed function
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SYNOPSIS

9           returnval:long()
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ARGUMENTS

12       None
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DESCRIPTION

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

21       tapset::errno(3stap)
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25SystemTap Tapset Reference         June 2018        FUNCTION::RETURNVAL(3stap)