diff --git a/ubpf_8h.html b/ubpf_8h.html
index 335af55..60c3759 100644
--- a/ubpf_8h.html
+++ b/ubpf_8h.html
@@ -105,7 +105,7 @@
 <tr class="memdesc:a30c41270d593fc7ffc2161f03f8c0b5b"><td class="mdescLeft">&#160;</td><td class="mdescRight">Opaque type for a uBPF JIT compiled function with external stack.  <a href="ubpf_8h.html#a30c41270d593fc7ffc2161f03f8c0b5b">More...</a><br /></td></tr>
 <tr class="separator:a30c41270d593fc7ffc2161f03f8c0b5b"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:a97c06ae6f43ae6e0cbca64ac1e70bc30"><td class="memItemLeft" align="right" valign="top">typedef uint64_t(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ubpf_8h.html#a97c06ae6f43ae6e0cbca64ac1e70bc30">external_function_t</a>) (uint64_t p0, uint64_t p1, uint64_t p2, uint64_t p3, uint64_t p4)</td></tr>
-<tr class="memdesc:a97c06ae6f43ae6e0cbca64ac1e70bc30"><td class="mdescLeft">&#160;</td><td class="mdescRight">The type of an external function.  <a href="ubpf_8h.html#a97c06ae6f43ae6e0cbca64ac1e70bc30">More...</a><br /></td></tr>
+<tr class="memdesc:a97c06ae6f43ae6e0cbca64ac1e70bc30"><td class="mdescLeft">&#160;</td><td class="mdescRight">The type of an external helper function.  <a href="ubpf_8h.html#a97c06ae6f43ae6e0cbca64ac1e70bc30">More...</a><br /></td></tr>
 <tr class="separator:a97c06ae6f43ae6e0cbca64ac1e70bc30"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:aa819644ac2adf81271cf703f9eb5614b"><td class="memItemLeft" align="right" valign="top">typedef uint64_t(*&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ubpf_8h.html#aa819644ac2adf81271cf703f9eb5614b">external_function_dispatcher_t</a>) (uint64_t, uint64_t, uint64_t, uint64_t, uint64_t, unsigned int index, void *cookie)</td></tr>
 <tr class="memdesc:aa819644ac2adf81271cf703f9eb5614b"><td class="mdescLeft">&#160;</td><td class="mdescRight">The type of an external helper dispatcher function.  <a href="ubpf_8h.html#aa819644ac2adf81271cf703f9eb5614b">More...</a><br /></td></tr>
@@ -145,7 +145,7 @@
 <tr class="memdesc:ae7e25aeeb15d5dc04a58f99239c4774c"><td class="mdescLeft">&#160;</td><td class="mdescRight">Set the function to be invoked if the program hits a fatal error.  <a href="ubpf_8h.html#ae7e25aeeb15d5dc04a58f99239c4774c">More...</a><br /></td></tr>
 <tr class="separator:ae7e25aeeb15d5dc04a58f99239c4774c"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:a53971fe3966198c6fec238d81d94bfe8"><td class="memItemLeft" align="right" valign="top"><a class="el" href="ubpf_8h.html#a97c06ae6f43ae6e0cbca64ac1e70bc30">external_function_t</a>&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ubpf_8h.html#a53971fe3966198c6fec238d81d94bfe8">as_external_function_t</a> (void *f)</td></tr>
-<tr class="memdesc:a53971fe3966198c6fec238d81d94bfe8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Cast an external function to external_function_t Some external functions may not use all the parameters and, therefore, not match the external_function_t typedef. Use this for a conversion.  <a href="ubpf_8h.html#a53971fe3966198c6fec238d81d94bfe8">More...</a><br /></td></tr>
+<tr class="memdesc:a53971fe3966198c6fec238d81d94bfe8"><td class="mdescLeft">&#160;</td><td class="mdescRight">Cast an external function to <a class="el" href="ubpf_8h.html#a97c06ae6f43ae6e0cbca64ac1e70bc30">external_function_t</a>.  <a href="ubpf_8h.html#a53971fe3966198c6fec238d81d94bfe8">More...</a><br /></td></tr>
 <tr class="separator:a53971fe3966198c6fec238d81d94bfe8"><td class="memSeparator" colspan="2">&#160;</td></tr>
 <tr class="memitem:a398c1c9b6d59876005eb64bbfab7b2b4"><td class="memItemLeft" align="right" valign="top">int&#160;</td><td class="memItemRight" valign="bottom"><a class="el" href="ubpf_8h.html#a398c1c9b6d59876005eb64bbfab7b2b4">ubpf_register</a> (struct ubpf_vm *vm, unsigned int index, const char *name, <a class="el" href="ubpf_8h.html#a97c06ae6f43ae6e0cbca64ac1e70bc30">external_function_t</a> fn)</td></tr>
 <tr class="memdesc:a398c1c9b6d59876005eb64bbfab7b2b4"><td class="mdescLeft">&#160;</td><td class="mdescRight">Register an external function. The immediate field of a CALL instruction is an index into an array of functions registered by the user. This API associates a function with an index.  <a href="ubpf_8h.html#a398c1c9b6d59876005eb64bbfab7b2b4">More...</a><br /></td></tr>
@@ -302,7 +302,8 @@
       </table>
 </div><div class="memdoc">
 
-<p>The type of an external function. </p>
+<p>The type of an external helper function. </p>
+<p>Note: There is an implicit <code>void *</code>-typed 6th parameter that users can access if they choose. That sixth parameter's value is the value of the pointer given by the user of <a class="el" href="ubpf_8h.html#a1ce3eb22d45ec43436758a139ffc8c95">ubpf_exec</a>, <a class="el" href="ubpf_8h.html#a6ded3ae17d5879d7c19f32fa52cbbe26">ubpf_exec_ex</a>, and the function generated by <a class="el" href="ubpf_8h.html#ab34e26c0a46366345df354ce992448c4">ubpf_translate</a> as the first argument. </p>
 
 </div>
 </div>
@@ -461,7 +462,8 @@
       </table>
 </div><div class="memdoc">
 
-<p>Cast an external function to external_function_t Some external functions may not use all the parameters and, therefore, not match the external_function_t typedef. Use this for a conversion. </p>
+<p>Cast an external function to <a class="el" href="ubpf_8h.html#a97c06ae6f43ae6e0cbca64ac1e70bc30">external_function_t</a>. </p>
+<p>Some external functions may not use all the parameters (or may use the implicit 6th parameter) and, therefore, not match the <a class="el" href="ubpf_8h.html#a97c06ae6f43ae6e0cbca64ac1e70bc30">external_function_t</a> typedef. Use this for a conversion.</p>
 <dl class="params"><dt>Parameters</dt><dd>
   <table class="params">
     <tr><td class="paramdir">[in]</td><td class="paramname">f</td><td>The function to cast to match the signature of an external function. </td></tr>
diff --git a/ubpf_8h_source.html b/ubpf_8h_source.html
index ee78160..b9db301 100644
--- a/ubpf_8h_source.html
+++ b/ubpf_8h_source.html
@@ -141,122 +141,122 @@
 <div class="line"><a name="l00129"></a><span class="lineno">  129</span>&#160;    <span class="keywordtype">void</span></div>
 <div class="line"><a name="l00130"></a><span class="lineno"><a class="line" href="ubpf_8h.html#ae7e25aeeb15d5dc04a58f99239c4774c">  130</a></span>&#160;    <a class="code" href="ubpf_8h.html#ae7e25aeeb15d5dc04a58f99239c4774c">ubpf_set_error_print</a>(<span class="keyword">struct</span> ubpf_vm* vm, <span class="keywordtype">int</span> (*error_printf)(FILE* stream, <span class="keyword">const</span> <span class="keywordtype">char</span>* format, ...));</div>
 <div class="line"><a name="l00131"></a><span class="lineno">  131</span>&#160; </div>
-<div class="line"><a name="l00135"></a><span class="lineno"><a class="line" href="ubpf_8h.html#a97c06ae6f43ae6e0cbca64ac1e70bc30">  135</a></span>&#160;    <span class="keyword">typedef</span> uint64_t (*<a class="code" href="ubpf_8h.html#a97c06ae6f43ae6e0cbca64ac1e70bc30">external_function_t</a>)(uint64_t p0, uint64_t p1, uint64_t p2, uint64_t p3, uint64_t p4);</div>
-<div class="line"><a name="l00136"></a><span class="lineno">  136</span>&#160; </div>
-<div class="line"><a name="l00146"></a><span class="lineno">  146</span>&#160;    <a class="code" href="ubpf_8h.html#a97c06ae6f43ae6e0cbca64ac1e70bc30">external_function_t</a></div>
-<div class="line"><a name="l00147"></a><span class="lineno"><a class="line" href="ubpf_8h.html#a53971fe3966198c6fec238d81d94bfe8">  147</a></span>&#160;    <a class="code" href="ubpf_8h.html#a53971fe3966198c6fec238d81d94bfe8">as_external_function_t</a>(<span class="keywordtype">void</span>* f);</div>
-<div class="line"><a name="l00148"></a><span class="lineno">  148</span>&#160; </div>
-<div class="line"><a name="l00162"></a><span class="lineno">  162</span>&#160;    <span class="keywordtype">int</span></div>
-<div class="line"><a name="l00163"></a><span class="lineno"><a class="line" href="ubpf_8h.html#a398c1c9b6d59876005eb64bbfab7b2b4">  163</a></span>&#160;    <a class="code" href="ubpf_8h.html#a398c1c9b6d59876005eb64bbfab7b2b4">ubpf_register</a>(<span class="keyword">struct</span> ubpf_vm* vm, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> index, <span class="keyword">const</span> <span class="keywordtype">char</span>* name, <a class="code" href="ubpf_8h.html#a97c06ae6f43ae6e0cbca64ac1e70bc30">external_function_t</a> fn);</div>
-<div class="line"><a name="l00164"></a><span class="lineno">  164</span>&#160; </div>
-<div class="line"><a name="l00168"></a><span class="lineno"><a class="line" href="ubpf_8h.html#aa819644ac2adf81271cf703f9eb5614b">  168</a></span>&#160;    <span class="keyword">typedef</span> uint64_t (*<a class="code" href="ubpf_8h.html#aa819644ac2adf81271cf703f9eb5614b">external_function_dispatcher_t</a>)(</div>
-<div class="line"><a name="l00169"></a><span class="lineno">  169</span>&#160;        uint64_t, uint64_t, uint64_t, uint64_t, uint64_t, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> index, <span class="keywordtype">void</span>* cookie);</div>
+<div class="line"><a name="l00139"></a><span class="lineno"><a class="line" href="ubpf_8h.html#a97c06ae6f43ae6e0cbca64ac1e70bc30">  139</a></span>&#160;    <span class="keyword">typedef</span> uint64_t (*<a class="code" href="ubpf_8h.html#a97c06ae6f43ae6e0cbca64ac1e70bc30">external_function_t</a>)(uint64_t p0, uint64_t p1, uint64_t p2, uint64_t p3, uint64_t p4);</div>
+<div class="line"><a name="l00140"></a><span class="lineno">  140</span>&#160; </div>
+<div class="line"><a name="l00152"></a><span class="lineno">  152</span>&#160;    <a class="code" href="ubpf_8h.html#a97c06ae6f43ae6e0cbca64ac1e70bc30">external_function_t</a></div>
+<div class="line"><a name="l00153"></a><span class="lineno"><a class="line" href="ubpf_8h.html#a53971fe3966198c6fec238d81d94bfe8">  153</a></span>&#160;    <a class="code" href="ubpf_8h.html#a53971fe3966198c6fec238d81d94bfe8">as_external_function_t</a>(<span class="keywordtype">void</span>* f);</div>
+<div class="line"><a name="l00154"></a><span class="lineno">  154</span>&#160; </div>
+<div class="line"><a name="l00168"></a><span class="lineno">  168</span>&#160;    <span class="keywordtype">int</span></div>
+<div class="line"><a name="l00169"></a><span class="lineno"><a class="line" href="ubpf_8h.html#a398c1c9b6d59876005eb64bbfab7b2b4">  169</a></span>&#160;    <a class="code" href="ubpf_8h.html#a398c1c9b6d59876005eb64bbfab7b2b4">ubpf_register</a>(<span class="keyword">struct</span> ubpf_vm* vm, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> index, <span class="keyword">const</span> <span class="keywordtype">char</span>* name, <a class="code" href="ubpf_8h.html#a97c06ae6f43ae6e0cbca64ac1e70bc30">external_function_t</a> fn);</div>
 <div class="line"><a name="l00170"></a><span class="lineno">  170</span>&#160; </div>
-<div class="line"><a name="l00174"></a><span class="lineno"><a class="line" href="ubpf_8h.html#a924a4a1a3e782846945d6adbabbcbb9c">  174</a></span>&#160;    <span class="keyword">typedef</span> bool (*<a class="code" href="ubpf_8h.html#a924a4a1a3e782846945d6adbabbcbb9c">external_function_validate_t</a>)(<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> index, <span class="keyword">const</span> <span class="keyword">struct </span>ubpf_vm* vm);</div>
-<div class="line"><a name="l00175"></a><span class="lineno">  175</span>&#160; </div>
-<div class="line"><a name="l00192"></a><span class="lineno">  192</span>&#160;    <span class="keywordtype">int</span></div>
-<div class="line"><a name="l00193"></a><span class="lineno"><a class="line" href="ubpf_8h.html#a27fbf5d30614b9c4b618209d681c3653">  193</a></span>&#160;    <a class="code" href="ubpf_8h.html#a27fbf5d30614b9c4b618209d681c3653">ubpf_register_external_dispatcher</a>(</div>
-<div class="line"><a name="l00194"></a><span class="lineno">  194</span>&#160;        <span class="keyword">struct</span> ubpf_vm* vm, <a class="code" href="ubpf_8h.html#aa819644ac2adf81271cf703f9eb5614b">external_function_dispatcher_t</a> dispatcher, <a class="code" href="ubpf_8h.html#a924a4a1a3e782846945d6adbabbcbb9c">external_function_validate_t</a> validater);</div>
-<div class="line"><a name="l00195"></a><span class="lineno">  195</span>&#160; </div>
-<div class="line"><a name="l00201"></a><span class="lineno"><a class="line" href="ubpf_8h.html#a087420d1735791ffa6c5c436f52da00e">  201</a></span>&#160;    <span class="keyword">typedef</span> int (*<a class="code" href="ubpf_8h.html#a087420d1735791ffa6c5c436f52da00e">stack_usage_calculator_t</a>)(<span class="keyword">const</span> <span class="keyword">struct </span>ubpf_vm* vm, uint16_t pc, <span class="keywordtype">void</span>* cookie);</div>
-<div class="line"><a name="l00202"></a><span class="lineno">  202</span>&#160; </div>
-<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;    <span class="keywordtype">int</span></div>
-<div class="line"><a name="l00227"></a><span class="lineno"><a class="line" href="ubpf_8h.html#aacb195bc0c95663214fe205613ff1c9a">  227</a></span>&#160;    <a class="code" href="ubpf_8h.html#aacb195bc0c95663214fe205613ff1c9a">ubpf_register_stack_usage_calculator</a>(<span class="keyword">struct</span> ubpf_vm* vm, <a class="code" href="ubpf_8h.html#a087420d1735791ffa6c5c436f52da00e">stack_usage_calculator_t</a> calculator, <span class="keywordtype">void</span>* cookie);</div>
-<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160; </div>
-<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;    <span class="keywordtype">int</span></div>
-<div class="line"><a name="l00245"></a><span class="lineno"><a class="line" href="ubpf_8h.html#a8d32748c100c98d69dba8dcf0e9d4d0d">  245</a></span>&#160;    <a class="code" href="ubpf_8h.html#a8d32748c100c98d69dba8dcf0e9d4d0d">ubpf_load</a>(<span class="keyword">struct</span> ubpf_vm* vm, <span class="keyword">const</span> <span class="keywordtype">void</span>* code, uint32_t code_len, <span class="keywordtype">char</span>** errmsg);</div>
-<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160; </div>
-<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;    <span class="comment">/*</span></div>
-<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;<span class="comment">     * Unload code from a VM</span></div>
-<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;<span class="comment">     *</span></div>
-<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;<span class="comment">     * This must be done before calling ubpf_load or ubpf_load_elf, except for the</span></div>
-<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;<span class="comment">     * first time those functions are called. It clears the VM instructions to</span></div>
-<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;<span class="comment">     * allow for new code to be loaded.</span></div>
-<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;<span class="comment">     *</span></div>
-<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;<span class="comment">     * It does not unregister any external functions.</span></div>
-<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;<span class="comment">     */</span></div>
-<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160; </div>
-<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;    <span class="keywordtype">void</span></div>
-<div class="line"><a name="l00265"></a><span class="lineno"><a class="line" href="ubpf_8h.html#ae95b334d7eeb18072da3b9f4eeb66c25">  265</a></span>&#160;    <a class="code" href="ubpf_8h.html#ae95b334d7eeb18072da3b9f4eeb66c25">ubpf_unload_code</a>(<span class="keyword">struct</span> ubpf_vm* vm);</div>
-<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160; </div>
-<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;<span class="preprocessor">#if defined(UBPF_HAS_ELF_H)</span></div>
-<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;    <span class="keywordtype">int</span></div>
-<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160;    ubpf_load_elf(<span class="keyword">struct</span> ubpf_vm* vm, <span class="keyword">const</span> <span class="keywordtype">void</span>* elf, <span class="keywordtype">size_t</span> elf_len, <span class="keywordtype">char</span>** errmsg);</div>
-<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160; </div>
-<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;    <span class="keywordtype">int</span></div>
-<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;    ubpf_load_elf_ex(<span class="keyword">struct</span> ubpf_vm* vm, <span class="keyword">const</span> <span class="keywordtype">void</span>* elf, <span class="keywordtype">size_t</span> elf_len, <span class="keyword">const</span> <span class="keywordtype">char</span>* main_section_name, <span class="keywordtype">char</span>** errmsg);</div>
-<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;<span class="preprocessor">#endif</span></div>
-<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160; </div>
-<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;    <span class="keywordtype">int</span></div>
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-<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160; </div>
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-<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;        <span class="keyword">const</span> <span class="keyword">struct</span> ubpf_vm* vm,</div>
-<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;        <span class="keywordtype">void</span>* mem,</div>
-<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;        <span class="keywordtype">size_t</span> mem_len,</div>
-<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;        uint64_t* bpf_return_value,</div>
-<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;        uint8_t* stack,</div>
-<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;        <span class="keywordtype">size_t</span> stack_len);</div>
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-<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;    <a class="code" href="ubpf_8h.html#a6334115c4408267ec35087ade6128fa0">ubpf_jit_fn</a></div>
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+<div class="ttc" id="aubpf_8h_html_a087420d1735791ffa6c5c436f52da00e"><div class="ttname"><a href="ubpf_8h.html#a087420d1735791ffa6c5c436f52da00e">stack_usage_calculator_t</a></div><div class="ttdeci">int(* stack_usage_calculator_t)(const struct ubpf_vm *vm, uint16_t pc, void *cookie)</div><div class="ttdoc">The type of a stack usage calculator callback function.</div><div class="ttdef"><b>Definition:</b> ubpf.h:207</div></div>
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@@ -269,21 +269,21 @@
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-<div class="ttc" id="aubpf_8h_html_a64bd2f640f675e3eeff48ea52583d699"><div class="ttname"><a href="ubpf_8h.html#a64bd2f640f675e3eeff48ea52583d699">ubpf_bounds_check</a></div><div class="ttdeci">bool(* ubpf_bounds_check)(void *context, uint64_t addr, uint64_t size)</div><div class="ttdef"><b>Definition:</b> ubpf.h:504</div></div>
+<div class="ttc" id="aubpf_8h_html_a64bd2f640f675e3eeff48ea52583d699"><div class="ttname"><a href="ubpf_8h.html#a64bd2f640f675e3eeff48ea52583d699">ubpf_bounds_check</a></div><div class="ttdeci">bool(* ubpf_bounds_check)(void *context, uint64_t addr, uint64_t size)</div><div class="ttdef"><b>Definition:</b> ubpf.h:510</div></div>
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+<div class="ttc" id="aubpf_8h_html_a70fb644d080e8448c1db17bb99858391"><div class="ttname"><a href="ubpf_8h.html#a70fb644d080e8448c1db17bb99858391">ubpf_data_relocation</a></div><div class="ttdeci">uint64_t(* ubpf_data_relocation)(void *user_context, const uint8_t *data, uint64_t data_size, const char *symbol_name, uint64_t symbol_offset, uint64_t symbol_size)</div><div class="ttdoc">Data relocation function that is called by the VM when it encounters a R_BPF_64_64 relocation in the ...</div><div class="ttdef"><b>Definition:</b> ubpf.h:492</div></div>
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 <div class="ttc" id="aubpf_8h_html_a845988047e3c2fe9713e2f8a404d0751"><div class="ttname"><a href="ubpf_8h.html#a845988047e3c2fe9713e2f8a404d0751">ubpf_create</a></div><div class="ttdeci">struct ubpf_vm * ubpf_create(void)</div><div class="ttdoc">Create a new uBPF VM.</div></div>
 <div class="ttc" id="aubpf_8h_html_a8d32748c100c98d69dba8dcf0e9d4d0d"><div class="ttname"><a href="ubpf_8h.html#a8d32748c100c98d69dba8dcf0e9d4d0d">ubpf_load</a></div><div class="ttdeci">int ubpf_load(struct ubpf_vm *vm, const void *code, uint32_t code_len, char **errmsg)</div><div class="ttdoc">Load code into a VM. This must be done before calling ubpf_exec or ubpf_compile and after registering...</div></div>
-<div class="ttc" id="aubpf_8h_html_a924a4a1a3e782846945d6adbabbcbb9c"><div class="ttname"><a href="ubpf_8h.html#a924a4a1a3e782846945d6adbabbcbb9c">external_function_validate_t</a></div><div class="ttdeci">bool(* external_function_validate_t)(unsigned int index, const struct ubpf_vm *vm)</div><div class="ttdoc">The type of an external helper validation function.</div><div class="ttdef"><b>Definition:</b> ubpf.h:174</div></div>
+<div class="ttc" id="aubpf_8h_html_a924a4a1a3e782846945d6adbabbcbb9c"><div class="ttname"><a href="ubpf_8h.html#a924a4a1a3e782846945d6adbabbcbb9c">external_function_validate_t</a></div><div class="ttdeci">bool(* external_function_validate_t)(unsigned int index, const struct ubpf_vm *vm)</div><div class="ttdoc">The type of an external helper validation function.</div><div class="ttdef"><b>Definition:</b> ubpf.h:180</div></div>
 <div class="ttc" id="aubpf_8h_html_a96cdff7433769540c61a1cf41a0c241a"><div class="ttname"><a href="ubpf_8h.html#a96cdff7433769540c61a1cf41a0c241a">ubpf_set_jit_code_size</a></div><div class="ttdeci">int ubpf_set_jit_code_size(struct ubpf_vm *vm, size_t code_size)</div><div class="ttdoc">Set a size for the buffer allocated to machine code generated during JIT compilation....</div></div>
-<div class="ttc" id="aubpf_8h_html_a97c06ae6f43ae6e0cbca64ac1e70bc30"><div class="ttname"><a href="ubpf_8h.html#a97c06ae6f43ae6e0cbca64ac1e70bc30">external_function_t</a></div><div class="ttdeci">uint64_t(* external_function_t)(uint64_t p0, uint64_t p1, uint64_t p2, uint64_t p3, uint64_t p4)</div><div class="ttdoc">The type of an external function.</div><div class="ttdef"><b>Definition:</b> ubpf.h:135</div></div>
+<div class="ttc" id="aubpf_8h_html_a97c06ae6f43ae6e0cbca64ac1e70bc30"><div class="ttname"><a href="ubpf_8h.html#a97c06ae6f43ae6e0cbca64ac1e70bc30">external_function_t</a></div><div class="ttdeci">uint64_t(* external_function_t)(uint64_t p0, uint64_t p1, uint64_t p2, uint64_t p3, uint64_t p4)</div><div class="ttdoc">The type of an external helper function.</div><div class="ttdef"><b>Definition:</b> ubpf.h:139</div></div>
 <div class="ttc" id="aubpf_8h_html_aa2604f93223a8f076b503ba144a6b1ce"><div class="ttname"><a href="ubpf_8h.html#aa2604f93223a8f076b503ba144a6b1ce">ubpf_copy_jit</a></div><div class="ttdeci">ubpf_jit_fn ubpf_copy_jit(struct ubpf_vm *vm, void *buffer, size_t size, char **errmsg)</div><div class="ttdoc">Copy the JIT'd program code to the given buffer.</div></div>
-<div class="ttc" id="aubpf_8h_html_aa819644ac2adf81271cf703f9eb5614b"><div class="ttname"><a href="ubpf_8h.html#aa819644ac2adf81271cf703f9eb5614b">external_function_dispatcher_t</a></div><div class="ttdeci">uint64_t(* external_function_dispatcher_t)(uint64_t, uint64_t, uint64_t, uint64_t, uint64_t, unsigned int index, void *cookie)</div><div class="ttdoc">The type of an external helper dispatcher function.</div><div class="ttdef"><b>Definition:</b> ubpf.h:168</div></div>
+<div class="ttc" id="aubpf_8h_html_aa819644ac2adf81271cf703f9eb5614b"><div class="ttname"><a href="ubpf_8h.html#aa819644ac2adf81271cf703f9eb5614b">external_function_dispatcher_t</a></div><div class="ttdeci">uint64_t(* external_function_dispatcher_t)(uint64_t, uint64_t, uint64_t, uint64_t, uint64_t, unsigned int index, void *cookie)</div><div class="ttdoc">The type of an external helper dispatcher function.</div><div class="ttdef"><b>Definition:</b> ubpf.h:174</div></div>
 <div class="ttc" id="aubpf_8h_html_aacb195bc0c95663214fe205613ff1c9a"><div class="ttname"><a href="ubpf_8h.html#aacb195bc0c95663214fe205613ff1c9a">ubpf_register_stack_usage_calculator</a></div><div class="ttdeci">int ubpf_register_stack_usage_calculator(struct ubpf_vm *vm, stack_usage_calculator_t calculator, void *cookie)</div><div class="ttdoc">Register a function that will be called during eBPF program validation to determine stack usage for a...</div></div>
 <div class="ttc" id="aubpf_8h_html_ab34e26c0a46366345df354ce992448c4"><div class="ttname"><a href="ubpf_8h.html#ab34e26c0a46366345df354ce992448c4">ubpf_translate</a></div><div class="ttdeci">int ubpf_translate(struct ubpf_vm *vm, uint8_t *buffer, size_t *size, char **errmsg)</div><div class="ttdoc">Translate the eBPF byte code to machine code.</div></div>
 <div class="ttc" id="aubpf_8h_html_adfaef65d4add64487f09c0bd1d0a08df"><div class="ttname"><a href="ubpf_8h.html#adfaef65d4add64487f09c0bd1d0a08df">ubpf_set_instruction_limit</a></div><div class="ttdeci">int ubpf_set_instruction_limit(struct ubpf_vm *vm, uint32_t limit, uint32_t *previous_limit)</div><div class="ttdoc">Set the instruction limit for the VM. This is the maximum number of instructions that a program may e...</div></div>