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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>function::addr</title><meta name="generator" content="DocBook XSL Stylesheets V1.69.1"><link rel="start" href="index.html" title="SystemTap Tapset Reference Manual"><link rel="up" href="ch02.html" title="Chapter 2. Context Functions"><link rel="prev" href="ch02.html" title="Chapter 2. Context Functions"><link rel="next" href="re02.html" title="function::asmlinkage"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><div class="navheader"><table width="100%" summary="Navigation header"><tr><th colspan="3" align="center"><span>function::addr</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="ch02.html">Prev</a> </td><th width="60%" align="center">Chapter 2. Context Functions</th><td width="20%" align="right"> <a accesskey="n" href="re02.html">Next</a></td></tr></table><hr></div><div class="refentry" lang="en"><a name="API-addr"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>function::addr —
Address of the current probe point.
</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><pre class="programlisting">
addr:long()
</pre></div><div class="refsect1" lang="en"><a name="idp83712"></a><h2>Arguments</h2><p>
None
</p></div><div class="refsect1" lang="en"><a name="idp84928"></a><h2>Description</h2><p>
Returns the instruction pointer from the current probe's
register state. Not all probe types have registers though, in which case
zero is returned. The returned address is suitable for use with functions
like <code class="function">symname</code> and <code class="function">symdata</code>.
</p></div></div><div class="navfooter"><hr><table width="100%" summary="Navigation footer"><tr><td width="40%" align="left"><a accesskey="p" href="ch02.html">Prev</a> </td><td width="20%" align="center"><a accesskey="u" href="ch02.html">Up</a></td><td width="40%" align="right"> <a accesskey="n" href="re02.html">Next</a></td></tr><tr><td width="40%" align="left" valign="top">Chapter 2. Context Functions </td><td width="20%" align="center"><a accesskey="h" href="index.html">Home</a></td><td width="40%" align="right" valign="top"> <span>function::asmlinkage</span></td></tr></table></div></body></html>