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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=UTF-8"><title>WinPcap: jitter.h Source File</title><link href="style.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.5.6 --><div class="navigation" id="top"> <div class="tabs"> <ul> <li><a href="main.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li class="current"><a href="files.html"><span>Files</span></a></li> </ul> </div><h1>jitter.h</h1><a href="jitter_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*</span><a name="l00002"></a>00002 <span class="comment"> * Copyright (c) 2002 - 2005 NetGroup, Politecnico di Torino (Italy)</span><a name="l00003"></a>00003 <span class="comment"> * Copyright (c) 2005 - 2007 CACE Technologies, Davis (California)</span><a name="l00004"></a>00004 <span class="comment"> * All rights reserved.</span><a name="l00005"></a>00005 <span class="comment"> *</span><a name="l00006"></a>00006 <span class="comment"> * Redistribution and use in source and binary forms, with or without</span><a name="l00007"></a>00007 <span class="comment"> * modification, are permitted provided that the following conditions</span><a name="l00008"></a>00008 <span class="comment"> * are met:</span><a name="l00009"></a>00009 <span class="comment"> *</span><a name="l00010"></a>00010 <span class="comment"> * 1. Redistributions of source code must retain the above copyright</span><a name="l00011"></a>00011 <span class="comment"> * notice, this list of conditions and the following disclaimer.</span><a name="l00012"></a>00012 <span class="comment"> * 2. Redistributions in binary form must reproduce the above copyright</span><a name="l00013"></a>00013 <span class="comment"> * notice, this list of conditions and the following disclaimer in the</span><a name="l00014"></a>00014 <span class="comment"> * documentation and/or other materials provided with the distribution.</span><a name="l00015"></a>00015 <span class="comment"> * 3. Neither the name of the Politecnico di Torino, CACE Technologies </span><a name="l00016"></a>00016 <span class="comment"> * nor the names of its contributors may be used to endorse or promote </span><a name="l00017"></a>00017 <span class="comment"> * products derived from this software without specific prior written </span><a name="l00018"></a>00018 <span class="comment"> * permission.</span><a name="l00019"></a>00019 <span class="comment"> *</span><a name="l00020"></a>00020 <span class="comment"> * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS</span><a name="l00021"></a>00021 <span class="comment"> * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT</span><a name="l00022"></a>00022 <span class="comment"> * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR</span><a name="l00023"></a>00023 <span class="comment"> * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT</span><a name="l00024"></a>00024 <span class="comment"> * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,</span><a name="l00025"></a>00025 <span class="comment"> * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT</span><a name="l00026"></a>00026 <span class="comment"> * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,</span><a name="l00027"></a>00027 <span class="comment"> * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY</span><a name="l00028"></a>00028 <span class="comment"> * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT</span><a name="l00029"></a>00029 <span class="comment"> * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE</span><a name="l00030"></a>00030 <span class="comment"> * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.</span><a name="l00031"></a>00031 <span class="comment"> *</span><a name="l00032"></a>00032 <span class="comment"> */</span><a name="l00033"></a>00033 <a name="l00042"></a>00042 <span class="comment">//</span><a name="l00043"></a>00043 <span class="comment">// Registers</span><a name="l00044"></a>00044 <span class="comment">//</span><a name="l00045"></a><a class="code" href="group__NPF__jitter.html#g2fa1397b8142d609008de2e71c83e854">00045</a> <span class="preprocessor">#define EAX 0</span><a name="l00046"></a><a class="code" href="group__NPF__jitter.html#ge52163bab922ab29302d224786b8526d">00046</a> <span class="preprocessor"></span><span class="preprocessor">#define ECX 1</span><a name="l00047"></a><a class="code" href="group__NPF__jitter.html#g8104635452d33b8536b33b551d98998f">00047</a> <span class="preprocessor"></span><span class="preprocessor">#define EDX 2</span><a name="l00048"></a><a class="code" href="group__NPF__jitter.html#gb115c151477ddd6da5358ddc00071052">00048</a> <span class="preprocessor"></span><span class="preprocessor">#define EBX 3</span><a name="l00049"></a><a class="code" href="group__NPF__jitter.html#g473a7f647ac8d1f222e106f074c43727">00049</a> <span class="preprocessor"></span><span class="preprocessor">#define ESP 4</span><a name="l00050"></a><a class="code" href="group__NPF__jitter.html#g220a1f7741c506d2c73c9d5f0c3ad036">00050</a> <span class="preprocessor"></span><span class="preprocessor">#define EBP 5</span><a name="l00051"></a><a class="code" href="group__NPF__jitter.html#gd4c46ad303098e5253b9216faff99d48">00051</a> <span class="preprocessor"></span><span class="preprocessor">#define ESI 6</span><a name="l00052"></a><a class="code" href="group__NPF__jitter.html#gebb930ae9eecaa5a8fa94d2ef4f159e0">00052</a> <span class="preprocessor"></span><span class="preprocessor">#define EDI 7</span><a name="l00053"></a>00053 <span class="preprocessor"></span><a name="l00054"></a><a class="code" href="group__NPF__jitter.html#gabc40350f8f80c9c718c44dea61e10fe">00054</a> <span class="preprocessor">#define AX 0</span><a name="l00055"></a><a class="code" href="group__NPF__jitter.html#g0b4c12a5dc8490a3cff8385334db2d13">00055</a> <span class="preprocessor"></span><span class="preprocessor">#define CX 1</span><a name="l00056"></a><a class="code" href="group__NPF__jitter.html#g3bcbb4f56d33efbe2456169e4d94c644">00056</a> <span class="preprocessor"></span><span class="preprocessor">#define DX 2</span><a name="l00057"></a><a class="code" href="group__NPF__jitter.html#g0f37ffb2213a7e5ab25da072e87193ac">00057</a> <span class="preprocessor"></span><span class="preprocessor">#define BX 3</span><a name="l00058"></a><a class="code" href="group__NPF__jitter.html#gecd69d9a67487cc45c38eb184c50538a">00058</a> <span class="preprocessor"></span><span class="preprocessor">#define SP 4</span><a name="l00059"></a><a class="code" href="group__NPF__jitter.html#g82b271e081de4cfb35eb87b0c13dddba">00059</a> <span class="preprocessor"></span><span class="preprocessor">#define BP 5</span><a name="l00060"></a><a class="code" href="group__NPF__jitter.html#ga1be7844620ac7bffe73137a180aa044">00060</a> <span class="preprocessor"></span><span class="preprocessor">#define SI 6</span><a name="l00061"></a><a class="code" href="group__NPF__jitter.html#gcabe1ee3d11be6214c678bf4dabda3c9">00061</a> <span class="preprocessor"></span><span class="preprocessor">#define DI 7</span><a name="l00062"></a>00062 <span class="preprocessor"></span><a name="l00063"></a><a class="code" href="group__NPF__jitter.html#ge56562740b1159ed03061cecec40f609">00063</a> <span class="preprocessor">#define AL 0</span><a name="l00064"></a><a class="code" href="group__NPF__jitter.html#g8f4ea5fa21d42f950b5f95a91e9ff227">00064</a> <span class="preprocessor"></span><span class="preprocessor">#define CL 1</span><a name="l00065"></a><a class="code" href="group__NPF__jitter.html#g7c70057f4ac04e167029eef16e7bb770">00065</a> <span class="preprocessor"></span><span class="preprocessor">#define DL 2</span><a name="l00066"></a><a class="code" href="group__NPF__jitter.html#gd567ea9864a3046e47ab69cdc050ecfa">00066</a> <span class="preprocessor"></span><span class="preprocessor">#define BL 3</span><a name="l00067"></a>00067 <span class="preprocessor"></span><a name="l00069"></a><a class="code" href="structbinary__stream.html">00069</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structbinary__stream.html" title="A stream of X86 binary code.">binary_stream</a>{<a name="l00070"></a><a class="code" href="structbinary__stream.html#50441f9758f33af17338ad5287c77eba">00070</a> INT <a class="code" href="structbinary__stream.html#50441f9758f33af17338ad5287c77eba" title="Current X86 instruction pointer.">cur_ip</a>; <a name="l00071"></a><a class="code" href="structbinary__stream.html#ac2aa0c781c5af722cd3b1bbf843349e">00071</a> INT <a class="code" href="structbinary__stream.html#ac2aa0c781c5af722cd3b1bbf843349e" title="Current BPF instruction pointer, i.e. position in the BPF program reached by the...">bpf_pc</a>; <a name="l00072"></a><a class="code" href="structbinary__stream.html#bb3db7b09fbe9ae9c56d7ee080669cca">00072</a> PCHAR <a class="code" href="structbinary__stream.html#bb3db7b09fbe9ae9c56d7ee080669cca" title="Instruction buffer, contains the X86 generated code.">ibuf</a>; <a name="l00073"></a><a class="code" href="structbinary__stream.html#479a793a3937e38fd40e0bb6edfbfe5e">00073</a> PUINT <a class="code" href="structbinary__stream.html#479a793a3937e38fd40e0bb6edfbfe5e" title="Jumps reference table.">refs</a>; <a name="l00074"></a>00074 }<a class="code" href="structbinary__stream.html" title="A stream of X86 binary code.">binary_stream</a>;<a name="l00075"></a>00075 <a name="l00076"></a>00076 <a name="l00082"></a><a class="code" href="group__NPF__jitter.html#g55e96d93d223cecaa3c69437c1603c29">00082</a> <span class="keyword">typedef</span> UINT (__cdecl *<a class="code" href="group__NPF__jitter.html#g55e96d93d223cecaa3c69437c1603c29" title="Prototype of a filtering function created by the jitter.">BPF_filter_function</a>)( PVOID *, ULONG, UINT);<a name="l00083"></a>00083 <a name="l00092"></a><a class="code" href="group__NPF__jitter.html#g9b8427d5c2ee2075f766226a6e53bfad">00092</a> <span class="keyword">typedef</span> void (*<a class="code" href="group__NPF__jitter.html#g9b8427d5c2ee2075f766226a6e53bfad" title="Prototype of the emit functions.">emit_func</a>)(<a class="code" href="structbinary__stream.html" title="A stream of X86 binary code.">binary_stream</a> *stream, ULONG value, UINT n);<a name="l00093"></a>00093 <a name="l00095"></a><a class="code" href="structJIT__BPF__Filter.html">00095</a> <span class="keyword">typedef</span> <span class="keyword">struct </span><a class="code" href="structJIT__BPF__Filter.html" title="Structure describing a x86 filtering program created by the jitter.">JIT_BPF_Filter</a>{<a name="l00096"></a><a class="code" href="structJIT__BPF__Filter.html#2c70f0e9fd23c617d13b2dc57bb32162">00096</a> <a class="code" href="group__NPF__jitter.html#g55e96d93d223cecaa3c69437c1603c29" title="Prototype of a filtering function created by the jitter.">BPF_filter_function</a> <a class="code" href="structJIT__BPF__Filter.html#2c70f0e9fd23c617d13b2dc57bb32162" title="The x86 filtering binary, in the form of a BPF_filter_function.">Function</a>; <a name="l00097"></a><a class="code" href="structJIT__BPF__Filter.html#eb16cd6e768dbea45530de3d0fc83e51">00097</a> PINT <a class="code" href="structJIT__BPF__Filter.html#eb16cd6e768dbea45530de3d0fc83e51">mem</a>;<a name="l00098"></a>00098 }<a name="l00099"></a>00099 <a class="code" href="structJIT__BPF__Filter.html" title="Structure describing a x86 filtering program created by the jitter.">JIT_BPF_Filter</a>;<a name="l00100"></a>00100 <a name="l00101"></a>00101 <a name="l00102"></a>00102 <a name="l00103"></a>00103 <a name="l00104"></a>00104 <span class="comment">/**************************/</span><a name="l00105"></a>00105 <span class="comment">/* X86 INSTRUCTION MACROS */</span><a name="l00106"></a>00106 <span class="comment">/**************************/</span><a name="l00107"></a>00107 <a name="l00109"></a><a class="code" href="group__NPF__jitter.html#g6b0eac20fe309e12eec4f204ed2cf789">00109</a> <span class="preprocessor">#define MOVid(r32, i32) \</span><a name="l00110"></a>00110 <span class="preprocessor"> emitm(&stream, 11 << 4 | 1 << 3 | r32 & 0x7, 1); emitm(&stream, i32, 4);</span><a name="l00111"></a>00111 <span class="preprocessor"></span><a name="l00113"></a><a class="code" href="group__NPF__jitter.html#gbe5c6ed0ba1446cc33b33d6c9cc59819">00113</a> <span class="preprocessor">#define MOVrd(dr32, sr32) \</span>?? 快捷鍵說明
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