function::registers_valid.3stap man page

function::registers_valid — Determines validity of register and u_register in current context

Synopsis

registers_valid:long()

Arguments

None

Description

This function returns 1 if register and u_register can be used in the current context, or 0 otherwise. For example, registers_valid returns 0 when called from a begin or end probe.

See Also0

tapset::context(3stap)

Info

March 2016 SystemTap Tapset Reference Context Functions