1FUNCTION::REGISTERS_(3stap) Context Functions FUNCTION::REGISTERS_(3stap)
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NAME
6function::registers_valid - Determines validity of register and
7u_register in current context
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SYNOPSIS
10registers_valid:long()
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ARGUMENTS
13None
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DESCRIPTION
16This function returns 1 if register and u_register can be used in the
17current context, or 0 otherwise. For example, registers_valid returns 0
18when called from a begin or end probe.
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SystemTap Tapset Reference August 2011 FUNCTION::REGISTERS_(3stap)