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<li class="navelem"><a class="el" href="../../dir_d44c64559bbebec7f509842c48db8b23.html">include</a></li><li class="navelem"><a class="el" href="../../dir_ef99456410776b930b88f5850437ce61.html">obf</a></li><li class="navelem"><a class="el" href="../../dir_fa1ee7704f0ab8e5fd961a68bf21be50.html">transform</a></li> </ul>
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<div class="headertitle"><div class="title">operation.hpp</div></div>
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<a href="../../d5/da4/operation_8hpp.html">Go to the documentation of this file.</a><div class="fragment"><div class="line"><a id="l00001" name="l00001"></a><span class="lineno"> 1</span><span class="comment">// Copyright (c) 2022, _xeroxz</span></div>
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<div class="line"><a id="l00002" name="l00002"></a><span class="lineno"> 2</span><span class="comment">// All rights reserved.</span></div>
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<div class="line"><a id="l00003" name="l00003"></a><span class="lineno"> 3</span><span class="comment">//</span></div>
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<div class="line"><a id="l00004" name="l00004"></a><span class="lineno"> 4</span><span class="comment">// Redistribution and use in source and binary forms, with or without</span></div>
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<div class="line"><a id="l00005" name="l00005"></a><span class="lineno"> 5</span><span class="comment">// modification, are permitted provided that the following conditions are met:</span></div>
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<div class="line"><a id="l00006" name="l00006"></a><span class="lineno"> 6</span><span class="comment">//</span></div>
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<div class="line"><a id="l00007" name="l00007"></a><span class="lineno"> 7</span><span class="comment">// 1. Redistributions of source code must retain the above copyright notice,</span></div>
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<div class="line"><a id="l00008" name="l00008"></a><span class="lineno"> 8</span><span class="comment">// this list of conditions and the following disclaimer.</span></div>
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<div class="line"><a id="l00009" name="l00009"></a><span class="lineno"> 9</span><span class="comment">//</span></div>
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<div class="line"><a id="l00010" name="l00010"></a><span class="lineno"> 10</span><span class="comment">// 2. Redistributions in binary form must reproduce the above copyright notice,</span></div>
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<div class="line"><a id="l00011" name="l00011"></a><span class="lineno"> 11</span><span class="comment">// this list of conditions and the following disclaimer in the documentation</span></div>
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<div class="line"><a id="l00012" name="l00012"></a><span class="lineno"> 12</span><span class="comment">// and/or other materials provided with the distribution.</span></div>
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<div class="line"><a id="l00013" name="l00013"></a><span class="lineno"> 13</span><span class="comment">//</span></div>
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<div class="line"><a id="l00014" name="l00014"></a><span class="lineno"> 14</span><span class="comment">// 3. Neither the name of the copyright holder nor the names of its</span></div>
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<div class="line"><a id="l00015" name="l00015"></a><span class="lineno"> 15</span><span class="comment">// contributors may be used to endorse or promote products derived from</span></div>
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<div class="line"><a id="l00016" name="l00016"></a><span class="lineno"> 16</span><span class="comment">// this software without specific prior written permission.</span></div>
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<div class="line"><a id="l00017" name="l00017"></a><span class="lineno"> 17</span><span class="comment">//</span></div>
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<div class="line"><a id="l00018" name="l00018"></a><span class="lineno"> 18</span><span class="comment">// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"</span></div>
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<div class="line"><a id="l00019" name="l00019"></a><span class="lineno"> 19</span><span class="comment">// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE</span></div>
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<div class="line"><a id="l00020" name="l00020"></a><span class="lineno"> 20</span><span class="comment">// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE</span></div>
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<div class="line"><a id="l00021" name="l00021"></a><span class="lineno"> 21</span><span class="comment">// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE</span></div>
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<div class="line"><a id="l00022" name="l00022"></a><span class="lineno"> 22</span><span class="comment">// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR</span></div>
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<div class="line"><a id="l00023" name="l00023"></a><span class="lineno"> 23</span><span class="comment">// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF</span></div>
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<div class="line"><a id="l00024" name="l00024"></a><span class="lineno"> 24</span><span class="comment">// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS</span></div>
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<div class="line"><a id="l00025" name="l00025"></a><span class="lineno"> 25</span><span class="comment">// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN</span></div>
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<div class="line"><a id="l00026" name="l00026"></a><span class="lineno"> 26</span><span class="comment">// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)</span></div>
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<div class="line"><a id="l00027" name="l00027"></a><span class="lineno"> 27</span><span class="comment">// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE</span></div>
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<div class="line"><a id="l00028" name="l00028"></a><span class="lineno"> 28</span><span class="comment">// POSSIBILITY OF SUCH DAMAGE.</span></div>
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<div class="line"><a id="l00029" name="l00029"></a><span class="lineno"> 29</span><span class="comment">//</span></div>
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<div class="line"><a id="l00030" name="l00030"></a><span class="lineno"> 30</span> </div>
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<div class="line"><a id="l00031" name="l00031"></a><span class="lineno"> 31</span><span class="preprocessor">#pragma once</span></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span><span class="preprocessor">#include <spdlog/spdlog.h></span></div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="preprocessor">#include <bit></span></div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"> 34</span><span class="preprocessor">#include <bitset></span></div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span><span class="preprocessor">#include <functional></span></div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span><span class="preprocessor">#include <map></span></div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span><span class="preprocessor">#include <random></span></div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> </div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"><a class="line" href="../../d5/da4/operation_8hpp.html#a3925943d185a09ad9e32ed8637ccb533"> 39</a></span><span class="preprocessor">#define XED_ENCODER</span></div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span><span class="keyword">extern</span> <span class="stringliteral">"C"</span> {</div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"> 41</span><span class="preprocessor">#include <xed-decode.h></span></div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span><span class="preprocessor">#include <xed-interface.h></span></div>
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<div class="line"><a id="l00043" name="l00043"></a><span class="lineno"> 43</span>}</div>
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<div class="line"><a id="l00044" name="l00044"></a><span class="lineno"> 44</span><span class="comment"></span> </div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span><span class="comment">/// <summary></span></div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span><span class="comment">/// this namespace encompasses the code for transforming relocations.</span></div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span><span class="comment">/// </summary></span></div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span><span class="comment"></span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../d8/d82/namespacetheo_1_1obf_1_1transform.html" title="this namespace encompasses the code for transforming relocations.">theo::obf::transform</a> {</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span><span class="comment"></span> </div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span><span class="comment">/// <summary></span></div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span><span class="comment">/// lambda function which takes in a 64bit value (relocation address) and a</span></div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span><span class="comment">/// 32bit value (random value used in transformation).</span></div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span><span class="comment">/// </summary></span></div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"><a class="line" href="../../d8/d82/namespacetheo_1_1obf_1_1transform.html#a875984c1ce09aa998fe48cca55270ecc"> 54</a></span><span class="comment"></span><span class="keyword">using</span> <a class="code hl_typedef" href="../../d8/d82/namespacetheo_1_1obf_1_1transform.html#a875984c1ce09aa998fe48cca55270ecc" title="lambda function which takes in a 64bit value (relocation address) and a 32bit value (random value use...">transform_t</a> = <a class="code hl_enumvalue" href="../../d9/dbd/namespacetheo_1_1decomp.html#af96177687d0ad683c5897d8fa01135f9acf6baee49c2ddb7e89724231bbd75d4a">std::function</a><std::size_t(std::size_t, std::uint32_t)>;</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span><span class="comment"></span> </div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span><span class="comment">/// <summary></span></div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span><span class="comment">/// operation_t is the base class for all types of transformations. classes that</span></div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span><span class="comment">/// inherit this class are singleton and simply call the super constructor</span></div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span><span class="comment">/// (operation_t::operation_t).</span></div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span><span class="comment">/// </summary></span></div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"><a class="line" href="../../d7/de2/classtheo_1_1obf_1_1transform_1_1operation__t.html"> 61</a></span><span class="comment"></span><span class="keyword">class </span><a class="code hl_class" href="../../d7/de2/classtheo_1_1obf_1_1transform_1_1operation__t.html" title="operation_t is the base class for all types of transformations. classes that inherit this class are s...">operation_t</a> {</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> <span class="keyword">public</span>:<span class="comment"></span></div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span><span class="comment"> /// <summary></span></div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span><span class="comment"> /// explicit constructor for operation_t</span></div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span><span class="comment"> /// </summary></span></div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span><span class="comment"> /// <param name="op">lambda function when executed applies</span></div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span><span class="comment"> /// transformations.</param> <param name="type">type of transformation, such</span></div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span><span class="comment"> /// as XOR, ADD, SUB, etc...</param></span></div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"><a class="line" href="../../d7/de2/classtheo_1_1obf_1_1transform_1_1operation__t.html#a3876ca1c7904aed54940e1519fc9fdf4"> 69</a></span><span class="comment"></span> <span class="keyword">explicit</span> <a class="code hl_function" href="../../d7/de2/classtheo_1_1obf_1_1transform_1_1operation__t.html#a3876ca1c7904aed54940e1519fc9fdf4" title="explicit constructor for operation_t">operation_t</a>(<a class="code hl_typedef" href="../../d8/d82/namespacetheo_1_1obf_1_1transform.html#a875984c1ce09aa998fe48cca55270ecc" title="lambda function which takes in a 64bit value (relocation address) and a 32bit value (random value use...">transform_t</a> op, xed_iclass_enum_t <a class="code hl_function" href="../../d7/de2/classtheo_1_1obf_1_1transform_1_1operation__t.html#a8558c2a8e78ef8da59674396bc76157f" title="gets the operation type. such as XED_ICLASS_ADD, XED_ICLASS_SUB, etc...">type</a>)</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> : m_transform(op), m_type(<a class="code hl_function" href="../../d7/de2/classtheo_1_1obf_1_1transform_1_1operation__t.html#a8558c2a8e78ef8da59674396bc76157f" title="gets the operation type. such as XED_ICLASS_ADD, XED_ICLASS_SUB, etc...">type</a>) {}</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span><span class="comment"></span> </div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span><span class="comment"> /// <summary></span></div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span><span class="comment"> /// generates a native transform instruction given an existing instruction. it</span></div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span><span class="comment"> /// works like so:</span></div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span><span class="comment"> ///</span></div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span><span class="comment"> /// mov rax, &MessageBoxA ; original instruction with relocation</span></div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span><span class="comment"> ///</span></div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span><span class="comment"> /// ; this function takes the first operand and out of the original</span></div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span><span class="comment"> /// ; instruction and uses it to generate a transformation.</span></div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span><span class="comment"> ///</span></div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span><span class="comment"> /// xor rax, 0x39280928 ; this would be an example output for the xor</span></div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span><span class="comment"> /// ;operation.</span></div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span><span class="comment"> ///</span></div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span><span class="comment"> /// </summary></span></div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span><span class="comment"> /// <param name="inst">instruction with a relocation to generate a</span></div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span><span class="comment"> /// transformation for.</param> <param name="imm">random 32bit number used in</span></div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span><span class="comment"> /// the generate transform.</param> <returns>returns the bytes of the native</span></div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span><span class="comment"> /// instruction that was encoded.</returns></span></div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"><a class="line" href="../../d7/de2/classtheo_1_1obf_1_1transform_1_1operation__t.html#a30cad572f62baf0c10fdc7026d7cba44"> 89</a></span><span class="comment"></span> std::vector<std::uint8_t> <a class="code hl_function" href="../../d7/de2/classtheo_1_1obf_1_1transform_1_1operation__t.html#a30cad572f62baf0c10fdc7026d7cba44" title="generates a native transform instruction given an existing instruction. it works like so:">native</a>(<span class="keyword">const</span> xed_decoded_inst_t* inst,</div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> std::uint32_t imm) {</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> std::uint32_t inst_len = {};</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> std::uint8_t inst_buff[XED_MAX_INSTRUCTION_BYTES];</div>
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<div class="line"><a id="l00093" name="l00093"></a><span class="lineno"> 93</span> </div>
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<div class="line"><a id="l00094" name="l00094"></a><span class="lineno"> 94</span> xed_error_enum_t err;</div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> xed_encoder_request_init_from_decode((xed_decoded_inst_s*)inst);</div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> xed_encoder_request_t* req = (xed_encoder_request_t*)inst;</div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> </div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> <span class="keywordflow">switch</span> (m_type) {</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> <span class="keywordflow">case</span> XED_ICLASS_ROR:</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> <span class="keywordflow">case</span> XED_ICLASS_ROL:</div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> xed_encoder_request_set_uimm0(req, imm, 1);</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> <span class="keywordflow">default</span>:</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> xed_encoder_request_set_uimm0(req, imm, 4);</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> }</div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> </div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> xed_encoder_request_set_iclass(req, m_type);</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> xed_encoder_request_set_operand_order(req, 1, XED_OPERAND_IMM0);</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> </div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keywordflow">if</span> ((err = xed_encode(req, inst_buff, <span class="keyword">sizeof</span>(inst_buff), &inst_len)) !=</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> XED_ERROR_NONE) {</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> spdlog::error(<span class="stringliteral">"failed to encode instruction... reason: {}"</span>,</div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> xed_error_enum_t2str(err));</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> </div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> assert(err == XED_ERROR_NONE);</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> }</div>
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<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> </div>
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<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="keywordflow">return</span> std::vector<std::uint8_t>(inst_buff, inst_buff + inst_len);</div>
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<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> }</div>
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<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span><span class="comment"></span> </div>
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<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span><span class="comment"> /// <summary></span></div>
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<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span><span class="comment"> /// gets the inverse operation of the current operation.</span></div>
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<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span><span class="comment"> /// </summary></span></div>
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<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span><span class="comment"> /// <returns>the inverse operation of the current operation.</returns></span></div>
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<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"><a class="line" href="../../d7/de2/classtheo_1_1obf_1_1transform_1_1operation__t.html#a91f9b94436d49659aaabb291786b3c7b"> 126</a></span><span class="comment"></span> xed_iclass_enum_t <a class="code hl_function" href="../../d7/de2/classtheo_1_1obf_1_1transform_1_1operation__t.html#a91f9b94436d49659aaabb291786b3c7b" title="gets the inverse operation of the current operation.">inverse</a>() { <span class="keywordflow">return</span> m_inverse_op[m_type]; }</div>
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<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span><span class="comment"></span> </div>
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<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span><span class="comment"> /// <summary></span></div>
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<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span><span class="comment"> /// gets a pointer to the lambda function which contains the transform logic.</span></div>
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<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span><span class="comment"> /// </summary></span></div>
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<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span><span class="comment"> /// <returns>a pointer to the lambda function which contains the transform</span></div>
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<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span><span class="comment"> /// logic.</returns></span></div>
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<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"><a class="line" href="../../d7/de2/classtheo_1_1obf_1_1transform_1_1operation__t.html#aed18bfd26da1a198f3b5f81525bcbb66"> 133</a></span><span class="comment"></span> <a class="code hl_typedef" href="../../d8/d82/namespacetheo_1_1obf_1_1transform.html#a875984c1ce09aa998fe48cca55270ecc" title="lambda function which takes in a 64bit value (relocation address) and a 32bit value (random value use...">transform_t</a>* <a class="code hl_function" href="../../d7/de2/classtheo_1_1obf_1_1transform_1_1operation__t.html#aed18bfd26da1a198f3b5f81525bcbb66" title="gets a pointer to the lambda function which contains the transform logic.">get_transform</a>() { <span class="keywordflow">return</span> &m_transform; }</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span><span class="comment"></span> </div>
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<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span><span class="comment"> /// <summary></span></div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span><span class="comment"> /// gets the operation type. such as XED_ICLASS_ADD, XED_ICLASS_SUB, etc...</span></div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span><span class="comment"> /// </summary></span></div>
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<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span><span class="comment"> /// <returns>the operation type. such as XED_ICLASS_ADD, XED_ICLASS_SUB,</span></div>
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<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span><span class="comment"> /// etc...</returns></span></div>
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<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"><a class="line" href="../../d7/de2/classtheo_1_1obf_1_1transform_1_1operation__t.html#a8558c2a8e78ef8da59674396bc76157f"> 140</a></span><span class="comment"></span> xed_iclass_enum_t <a class="code hl_function" href="../../d7/de2/classtheo_1_1obf_1_1transform_1_1operation__t.html#a8558c2a8e78ef8da59674396bc76157f" title="gets the operation type. such as XED_ICLASS_ADD, XED_ICLASS_SUB, etc...">type</a>() { <span class="keywordflow">return</span> m_type; }</div>
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<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span><span class="comment"></span> </div>
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<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span><span class="comment"> /// <summary></span></div>
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<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span><span class="comment"> /// generate a random number in a range.</span></div>
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<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span><span class="comment"> /// </summary></span></div>
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span><span class="comment"> /// <param name="lowest">lowest value of the range.</param></span></div>
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<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span><span class="comment"> /// <param name="largest">highest value of the range.</param></span></div>
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<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span><span class="comment"> /// <returns>a random value in a range.</returns></span></div>
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<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"><a class="line" href="../../d7/de2/classtheo_1_1obf_1_1transform_1_1operation__t.html#aaa5859bc3c7f95d99d4d726289593488"> 148</a></span><span class="comment"></span> <span class="keyword">static</span> std::size_t <a class="code hl_function" href="../../d7/de2/classtheo_1_1obf_1_1transform_1_1operation__t.html#aaa5859bc3c7f95d99d4d726289593488" title="generate a random number in a range.">random</a>(std::size_t lowest, std::size_t largest) {</div>
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<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> std::random_device rd;</div>
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<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> std::mt19937 gen(rd());</div>
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<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> std::uniform_int_distribution<std::size_t> distr(lowest, largest);</div>
|
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<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> <span class="keywordflow">return</span> distr(gen);</div>
|
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<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> }</div>
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<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> </div>
|
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<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="keyword">private</span>:</div>
|
|
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <a class="code hl_typedef" href="../../d8/d82/namespacetheo_1_1obf_1_1transform.html#a875984c1ce09aa998fe48cca55270ecc" title="lambda function which takes in a 64bit value (relocation address) and a 32bit value (random value use...">transform_t</a> m_transform;</div>
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<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> xed_iclass_enum_t m_type;</div>
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<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> </div>
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<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> std::map<xed_iclass_enum_t, xed_iclass_enum_t> m_inverse_op = {</div>
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<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> {XED_ICLASS_ADD, XED_ICLASS_SUB},</div>
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<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> {XED_ICLASS_SUB, XED_ICLASS_ADD},</div>
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<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> {XED_ICLASS_ROL, XED_ICLASS_ROR},</div>
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<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> {XED_ICLASS_ROR, XED_ICLASS_ROL},</div>
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<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> {XED_ICLASS_XOR, XED_ICLASS_XOR}};</div>
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<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span>};</div>
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<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span> </div>
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<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span>} <span class="comment">// namespace theo::obf::transform</span></div>
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