registers_valid(3stap)
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.