'\" t
.\"     Title: function::registers_valid
.\"    Author: 
.\" Generator: DocBook XSL Stylesheets vsnapshot <http://docbook.sf.net/>
.\"      Date: November 2023
.\"    Manual: Context Functions
.\"    Source: SystemTap Tapset Reference
.\"  Language: English
.\"
.TH "FUNCTION::REGISTERS_" "3stap" "November 2023" "SystemTap Tapset Reference" "Context Functions"
.\" -----------------------------------------------------------------
.\" * Define some portability stuff
.\" -----------------------------------------------------------------
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.\" http://bugs.debian.org/507673
.\" http://lists.gnu.org/archive/html/groff/2009-02/msg00013.html
.\" ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
.ie \n(.g .ds Aq \(aq
.el       .ds Aq '
.\" -----------------------------------------------------------------
.\" * set default formatting
.\" -----------------------------------------------------------------
.\" disable hyphenation
.nh
.\" disable justification (adjust text to left margin only)
.ad l
.\" -----------------------------------------------------------------
.\" * MAIN CONTENT STARTS HERE *
.\" -----------------------------------------------------------------
.SH "NAME"
function::registers_valid \- Determines validity of \fBregister\fR and \fBu_register\fR in current context
.SH "SYNOPSIS"
.sp
.nf
    registers_valid:long()
.fi
.SH "ARGUMENTS"
.PP
None
.SH "DESCRIPTION"
.PP
This function returns 1 if
\fBregister\fR
and
\fBu_register\fR
can be used in the current context, or 0 otherwise\&. For example,
\fBregisters_valid\fR
returns 0 when called from a begin or end probe\&.
.SH SEE ALSO\n 
.IR tapset::context (3stap)