FUNCTION::REGISTERS_(3stap)                             Context Functions                            FUNCTION::REGISTERS_(3stap)



NAME
       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.



SystemTap Tapset Reference                                 August 2011                               FUNCTION::REGISTERS_(3stap)