REGISTERS_VALID

Section: Context Functions (3stap)
Updated: October 2009
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NAME

registers_valid - Determines validity of <command>register</command> and <command>u_register</command> in current context.

SYNOPSIS

    registers_valid:long()

ARGUMENTS

None

DESCRIPTION

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

AUTHOR

SystemTap