'\" t .\" Title: function::uaddr .\" Author: .\" Generator: DocBook XSL Stylesheets vsnapshot .\" Date: November 2023 .\" Manual: Context Functions .\" Source: SystemTap Tapset Reference .\" Language: English .\" .TH "FUNCTION::UADDR" "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::uaddr \- User space address of current running task .SH "SYNOPSIS" .sp .nf uaddr:long() .fi .SH "ARGUMENTS" .PP None .SH "DESCRIPTION" .PP Returns the address in userspace that the current task was at when the probe occurred\&. When the current running task isn\*(Aqt a user space thread, or the address cannot be found, zero is returned\&. Can be used to see where the current task is combined with \fBusymname\fR or \fBusymdata\fR\&. Often the task will be in the VDSO where it entered the kernel\&. .SH SEE ALSO\n .IR tapset::context (3stap)