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<html><head><meta http-equiv="Content-Type" content="text/html; charset=ANSI_X3.4-1968"><title>function::caller</title><meta name="generator" content="DocBook XSL Stylesheets V1.75.2"><link rel="home" href="index.html" title="SystemTap Tapset Reference Manual"><link rel="up" href="ch02.html" title="Chapter&#160;2.&#160;Context Functions"><link rel="prev" href="re40.html" title="function::task_backtrace"><link rel="next" href="re42.html" title="function::caller_addr"></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::caller</span></th></tr><tr><td width="20%" align="left"><a accesskey="p" href="re40.html">Prev</a>&#160;</td><th width="60%" align="center">Chapter&#160;2.&#160;Context Functions</th><td width="20%" align="right">&#160;<a accesskey="n" href="re42.html">Next</a></td></tr></table><hr></div><div class="refentry" title="function::caller"><a name="API-caller"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>function::caller &#8212; 
     Return name and address of calling function
 </p></div><div class="refsynopsisdiv" title="Synopsis"><h2>Synopsis</h2><pre class="programlisting">
    caller:string()
</pre></div><div class="refsect1" title="Arguments"><a name="id3111177"></a><h2>Arguments</h2><p>
  None
 </p></div><div class="refsect1" title="Description"><a name="id3111187"></a><h2>Description</h2><p>
   </p><p>

   Return the address and name of the calling function. 
</p></div><div class="refsect1" title="This is equivalent to calling"><a name="id3111199"></a><h2>This is equivalent to calling</h2><p>
   sprintf(<span class="quote">&#8220;<span class="quote"><code class="constant">s</code> 0x<code class="constant">x</code></span>&#8221;</span>, symname(<code class="function">caller_addr</code>, <code class="function">caller_addr</code>))
   Works only for return probes at this time.
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