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<div id="projectbrief">Jit linker, symbol mapper, and obfuscator</div>
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<li class="navelem"><a class="el" href="../../dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><a class="el" href="../../dir_1a96c2bb8e6464c69de5f985611044b4.html">decomp</a></li> </ul>
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<div class="headertitle"><div class="title">routine.cpp</div></div>
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<a href="../../d2/dbb/routine_8cpp.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">#include <<a class="code" href="../../de/df5/routine_8hpp.html">decomp/routine.hpp</a>></span></div>
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<div class="line"><a id="l00032" name="l00032"></a><span class="lineno"> 32</span> </div>
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<div class="line"><a id="l00033" name="l00033"></a><span class="lineno"> 33</span><span class="keyword">namespace </span><a class="code hl_namespace" href="../../d9/dbd/namespacetheo_1_1decomp.html" title="the namespace that contains all of the decomposition related code.">theo::decomp</a> {</div>
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<div class="line"><a id="l00034" name="l00034"></a><span class="lineno"><a class="line" href="../../df/db4/classtheo_1_1decomp_1_1routine__t.html#ab9f0693c5ec50954d953b28bebe4426b"> 34</a></span><a class="code hl_function" href="../../df/db4/classtheo_1_1decomp_1_1routine__t.html#ab9f0693c5ec50954d953b28bebe4426b" title="the explicit constructor for routine_t.">routine_t::routine_t</a>(coff::symbol_t* sym,</div>
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<div class="line"><a id="l00035" name="l00035"></a><span class="lineno"> 35</span> coff::image_t* img,</div>
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<div class="line"><a id="l00036" name="l00036"></a><span class="lineno"> 36</span> coff::section_header_t* scn,</div>
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<div class="line"><a id="l00037" name="l00037"></a><span class="lineno"> 37</span> std::vector<std::uint8_t>& fn,</div>
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<div class="line"><a id="l00038" name="l00038"></a><span class="lineno"> 38</span> <a class="code hl_enumeration" href="../../d9/dbd/namespacetheo_1_1decomp.html#af96177687d0ad683c5897d8fa01135f9" title="meta symbol type. this is an abstraction upon the coff symbol storage/class type.">sym_type_t</a> dcmp_type)</div>
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<div class="line"><a id="l00039" name="l00039"></a><span class="lineno"> 39</span> : m_img(img), m_scn(scn), m_data(fn), m_dcmp_type(dcmp_type), m_sym(sym) {}</div>
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<div class="line"><a id="l00040" name="l00040"></a><span class="lineno"> 40</span> </div>
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<div class="line"><a id="l00041" name="l00041"></a><span class="lineno"><a class="line" href="../../df/db4/classtheo_1_1decomp_1_1routine__t.html#a1f790bd144badc71d6c4942cac8fc4e8"> 41</a></span>std::vector<decomp::symbol_t> <a class="code hl_function" href="../../df/db4/classtheo_1_1decomp_1_1routine__t.html#a1f790bd144badc71d6c4942cac8fc4e8" title="decompose the function into symbol(s).">routine_t::decompose</a>() {</div>
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<div class="line"><a id="l00042" name="l00042"></a><span class="lineno"> 42</span> std::vector<decomp::symbol_t> result;</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="keywordflow">switch</span> (m_dcmp_type) {</div>
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<div class="line"><a id="l00045" name="l00045"></a><span class="lineno"> 45</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="../../d9/dbd/namespacetheo_1_1decomp.html#af96177687d0ad683c5897d8fa01135f9acf6baee49c2ddb7e89724231bbd75d4a">function</a>: {</div>
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<div class="line"><a id="l00046" name="l00046"></a><span class="lineno"> 46</span> std::vector<recomp::reloc_t> relocs;</div>
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<div class="line"><a id="l00047" name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">auto</span> scn_relocs = <span class="keyword">reinterpret_cast<</span>coff::reloc_t*<span class="keyword">></span>(</div>
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<div class="line"><a id="l00048" name="l00048"></a><span class="lineno"> 48</span> m_scn->ptr_relocs + <span class="keyword">reinterpret_cast<</span>std::uint8_t*<span class="keyword">></span>(m_img));</div>
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<div class="line"><a id="l00049" name="l00049"></a><span class="lineno"> 49</span> </div>
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<div class="line"><a id="l00050" name="l00050"></a><span class="lineno"> 50</span> <span class="keywordflow">for</span> (<span class="keyword">auto</span> idx = 0u; idx < m_scn->num_relocs; ++idx) {</div>
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<div class="line"><a id="l00051" name="l00051"></a><span class="lineno"> 51</span> <span class="keyword">auto</span> scn_reloc = &scn_relocs[idx];</div>
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<div class="line"><a id="l00052" name="l00052"></a><span class="lineno"> 52</span> <span class="comment">// if the reloc is in the current function...</span></div>
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<div class="line"><a id="l00053" name="l00053"></a><span class="lineno"> 53</span> <span class="keywordflow">if</span> (scn_reloc->virtual_address >= m_sym->value &&</div>
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<div class="line"><a id="l00054" name="l00054"></a><span class="lineno"> 54</span> scn_reloc->virtual_address < m_sym->value + m_data.size()) {</div>
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<div class="line"><a id="l00055" name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">auto</span> sym_reloc = m_img->get_symbol(scn_relocs[idx].symbol_index);</div>
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<div class="line"><a id="l00056" name="l00056"></a><span class="lineno"> 56</span> <span class="keyword">auto</span> sym_name = <a class="code hl_function" href="../../d9/dd5/classtheo_1_1decomp_1_1symbol__t.html#a7c6dee036291ded334aa10d89293fc2a" title="gets the name of the symbol.">symbol_t::name</a>(m_img, sym_reloc);</div>
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<div class="line"><a id="l00057" name="l00057"></a><span class="lineno"> 57</span> <span class="keyword">auto</span> sym_hash = <a class="code hl_function" href="../../d9/dd5/classtheo_1_1decomp_1_1symbol__t.html#a8695d75670cc4d61d275464e9109ff06" title="gets the hash of the symbol name.">decomp::symbol_t::hash</a>(sym_name.data());</div>
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<div class="line"><a id="l00058" name="l00058"></a><span class="lineno"> 58</span> relocs.push_back(</div>
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<div class="line"><a id="l00059" name="l00059"></a><span class="lineno"> 59</span> <a class="code hl_class" href="../../dd/d37/classtheo_1_1recomp_1_1reloc__t.html" title="meta data about a relocation for a symbol">recomp::reloc_t</a>(scn_reloc->virtual_address - m_sym->value,</div>
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<div class="line"><a id="l00060" name="l00060"></a><span class="lineno"> 60</span> sym_hash, sym_name.data()));</div>
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<div class="line"><a id="l00061" name="l00061"></a><span class="lineno"> 61</span> }</div>
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<div class="line"><a id="l00062" name="l00062"></a><span class="lineno"> 62</span> }</div>
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<div class="line"><a id="l00063" name="l00063"></a><span class="lineno"> 63</span> </div>
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<div class="line"><a id="l00064" name="l00064"></a><span class="lineno"> 64</span> result.push_back(<a class="code hl_class" href="../../d9/dd5/classtheo_1_1decomp_1_1symbol__t.html" title="symbol_t is an abstraction upon the coff symbol. this allows for easier manipulation of the symbol....">decomp::symbol_t</a>(</div>
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<div class="line"><a id="l00065" name="l00065"></a><span class="lineno"> 65</span> m_img, <a class="code hl_function" href="../../d9/dd5/classtheo_1_1decomp_1_1symbol__t.html#a7c6dee036291ded334aa10d89293fc2a" title="gets the name of the symbol.">symbol_t::name</a>(m_img, m_sym).<a class="code hl_function" href="../../df/db4/classtheo_1_1decomp_1_1routine__t.html#a605a2be669a10a5a45325a5dca04401a" title="gets the function bytes.">data</a>(), m_sym->value, m_data,</div>
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<div class="line"><a id="l00066" name="l00066"></a><span class="lineno"> 66</span> m_scn, m_sym, relocs, <a class="code hl_enumvalue" href="../../d9/dbd/namespacetheo_1_1decomp.html#af96177687d0ad683c5897d8fa01135f9acf6baee49c2ddb7e89724231bbd75d4a">sym_type_t::function</a>));</div>
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<div class="line"><a id="l00067" name="l00067"></a><span class="lineno"> 67</span> <span class="keywordflow">break</span>;</div>
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<div class="line"><a id="l00068" name="l00068"></a><span class="lineno"> 68</span> }</div>
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<div class="line"><a id="l00069" name="l00069"></a><span class="lineno"> 69</span> <span class="keywordflow">case</span> <a class="code hl_enumvalue" href="../../d9/dbd/namespacetheo_1_1decomp.html#af96177687d0ad683c5897d8fa01135f9a4842f4c175b1ec87fc82ef3757d3a0e9">instruction</a>: {</div>
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<div class="line"><a id="l00070" name="l00070"></a><span class="lineno"> 70</span> std::uint32_t offset = {};</div>
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<div class="line"><a id="l00071" name="l00071"></a><span class="lineno"> 71</span> xed_error_enum_t err;</div>
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<div class="line"><a id="l00072" name="l00072"></a><span class="lineno"> 72</span> </div>
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<div class="line"><a id="l00073" name="l00073"></a><span class="lineno"> 73</span> xed_decoded_inst_t instr;</div>
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<div class="line"><a id="l00074" name="l00074"></a><span class="lineno"> 74</span> xed_state_t istate{XED_MACHINE_MODE_LONG_64, XED_ADDRESS_WIDTH_64b};</div>
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<div class="line"><a id="l00075" name="l00075"></a><span class="lineno"> 75</span> xed_decoded_inst_zero_set_mode(&instr, &istate);</div>
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<div class="line"><a id="l00076" name="l00076"></a><span class="lineno"> 76</span> </div>
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<div class="line"><a id="l00077" name="l00077"></a><span class="lineno"> 77</span> <span class="comment">// keep looping over the section, lower the number of bytes each time...</span></div>
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<div class="line"><a id="l00078" name="l00078"></a><span class="lineno"> 78</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00079" name="l00079"></a><span class="lineno"> 79</span> <span class="keywordflow">while</span> ((err = xed_decode(&instr, m_data.data() + offset,</div>
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<div class="line"><a id="l00080" name="l00080"></a><span class="lineno"> 80</span> m_data.size() - offset)) == XED_ERROR_NONE) {</div>
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<div class="line"><a id="l00081" name="l00081"></a><span class="lineno"> 81</span> <span class="comment">// symbol name is of the format: symbol@instroffset, I.E: main@11...</span></div>
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<div class="line"><a id="l00082" name="l00082"></a><span class="lineno"> 82</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00083" name="l00083"></a><span class="lineno"> 83</span> <span class="keyword">auto</span> new_sym_name = <a class="code hl_function" href="../../d9/dd5/classtheo_1_1decomp_1_1symbol__t.html#a7c6dee036291ded334aa10d89293fc2a" title="gets the name of the symbol.">symbol_t::name</a>(m_img, m_sym);</div>
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<div class="line"><a id="l00084" name="l00084"></a><span class="lineno"> 84</span> </div>
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<div class="line"><a id="l00085" name="l00085"></a><span class="lineno"> 85</span> <span class="comment">// first instruction doesnt need the @offset...</span></div>
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<div class="line"><a id="l00086" name="l00086"></a><span class="lineno"> 86</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00087" name="l00087"></a><span class="lineno"> 87</span> <span class="keywordflow">if</span> (offset)</div>
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<div class="line"><a id="l00088" name="l00088"></a><span class="lineno"> 88</span> new_sym_name.append(<span class="stringliteral">"@"</span>).append(std::to_string(offset));</div>
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<div class="line"><a id="l00089" name="l00089"></a><span class="lineno"> 89</span> </div>
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<div class="line"><a id="l00090" name="l00090"></a><span class="lineno"> 90</span> std::vector<recomp::reloc_t> relocs;</div>
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<div class="line"><a id="l00091" name="l00091"></a><span class="lineno"> 91</span> <span class="keyword">auto</span> scn_relocs = <span class="keyword">reinterpret_cast<</span>coff::reloc_t*<span class="keyword">></span>(</div>
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<div class="line"><a id="l00092" name="l00092"></a><span class="lineno"> 92</span> m_scn->ptr_relocs + <span class="keyword">reinterpret_cast<</span>std::uint8_t*<span class="keyword">></span>(m_img));</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> <span class="comment">// find if this instruction has a relocation or not...</span></div>
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<div class="line"><a id="l00095" name="l00095"></a><span class="lineno"> 95</span> <span class="comment">// if so, return the reloc_t...</span></div>
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<div class="line"><a id="l00096" name="l00096"></a><span class="lineno"> 96</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00097" name="l00097"></a><span class="lineno"> 97</span> <span class="keyword">auto</span> reloc = std::find_if(</div>
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<div class="line"><a id="l00098" name="l00098"></a><span class="lineno"> 98</span> scn_relocs, scn_relocs + m_scn->num_relocs,</div>
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<div class="line"><a id="l00099" name="l00099"></a><span class="lineno"> 99</span> [&](coff::reloc_t reloc) {</div>
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<div class="line"><a id="l00100" name="l00100"></a><span class="lineno"> 100</span> return reloc.virtual_address >= m_sym->value + offset &&</div>
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<div class="line"><a id="l00101" name="l00101"></a><span class="lineno"> 101</span> reloc.virtual_address <</div>
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<div class="line"><a id="l00102" name="l00102"></a><span class="lineno"> 102</span> m_sym->value + offset +</div>
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<div class="line"><a id="l00103" name="l00103"></a><span class="lineno"> 103</span> xed_decoded_inst_get_length(&instr);</div>
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<div class="line"><a id="l00104" name="l00104"></a><span class="lineno"> 104</span> });</div>
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<div class="line"><a id="l00105" name="l00105"></a><span class="lineno"> 105</span> </div>
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<div class="line"><a id="l00106" name="l00106"></a><span class="lineno"> 106</span> <span class="comment">// if there is indeed a reloc for this instruction...</span></div>
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<div class="line"><a id="l00107" name="l00107"></a><span class="lineno"> 107</span> <span class="comment">//</span></div>
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<div class="line"><a id="l00108" name="l00108"></a><span class="lineno"> 108</span> <span class="keywordflow">if</span> (reloc != scn_relocs + m_scn->num_relocs) {</div>
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<div class="line"><a id="l00109" name="l00109"></a><span class="lineno"> 109</span> <span class="keyword">auto</span> sym_reloc = m_img->get_symbol(reloc->symbol_index);</div>
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<div class="line"><a id="l00110" name="l00110"></a><span class="lineno"> 110</span> <span class="keyword">auto</span> sym_name = <a class="code hl_function" href="../../d9/dd5/classtheo_1_1decomp_1_1symbol__t.html#a7c6dee036291ded334aa10d89293fc2a" title="gets the name of the symbol.">symbol_t::name</a>(m_img, sym_reloc);</div>
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<div class="line"><a id="l00111" name="l00111"></a><span class="lineno"> 111</span> <span class="keyword">auto</span> sym_hash = <a class="code hl_function" href="../../d9/dd5/classtheo_1_1decomp_1_1symbol__t.html#a8695d75670cc4d61d275464e9109ff06" title="gets the hash of the symbol name.">decomp::symbol_t::hash</a>(sym_name.data());</div>
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<div class="line"><a id="l00112" name="l00112"></a><span class="lineno"> 112</span> <span class="keyword">auto</span> reloc_offset = reloc->virtual_address - m_sym->value - offset;</div>
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<div class="line"><a id="l00113" name="l00113"></a><span class="lineno"> 113</span> </div>
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<div class="line"><a id="l00114" name="l00114"></a><span class="lineno"> 114</span> relocs.push_back(</div>
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<div class="line"><a id="l00115" name="l00115"></a><span class="lineno"> 115</span> <a class="code hl_class" href="../../dd/d37/classtheo_1_1recomp_1_1reloc__t.html" title="meta data about a relocation for a symbol">recomp::reloc_t</a>(reloc_offset, sym_hash, sym_name.data()));</div>
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<div class="line"><a id="l00116" name="l00116"></a><span class="lineno"> 116</span> }</div>
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<div class="line"><a id="l00117" name="l00117"></a><span class="lineno"> 117</span> </div>
|
|
<div class="line"><a id="l00118" name="l00118"></a><span class="lineno"> 118</span> <span class="comment">// add a reloc to the next instruction...</span></div>
|
|
<div class="line"><a id="l00119" name="l00119"></a><span class="lineno"> 119</span> <span class="comment">// note that the offset is ZERO... comp_t will understand that</span></div>
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|
<div class="line"><a id="l00120" name="l00120"></a><span class="lineno"> 120</span> <span class="comment">// relocs with offset ZERO means the next instructions...</span></div>
|
|
<div class="line"><a id="l00121" name="l00121"></a><span class="lineno"> 121</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00122" name="l00122"></a><span class="lineno"> 122</span> <span class="keyword">auto</span> next_inst_sym =</div>
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|
<div class="line"><a id="l00123" name="l00123"></a><span class="lineno"> 123</span> <a class="code hl_function" href="../../d9/dd5/classtheo_1_1decomp_1_1symbol__t.html#a7c6dee036291ded334aa10d89293fc2a" title="gets the name of the symbol.">symbol_t::name</a>(m_img, m_sym)</div>
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|
<div class="line"><a id="l00124" name="l00124"></a><span class="lineno"> 124</span> .append(<span class="stringliteral">"@"</span>)</div>
|
|
<div class="line"><a id="l00125" name="l00125"></a><span class="lineno"> 125</span> .append(std::to_string(offset +</div>
|
|
<div class="line"><a id="l00126" name="l00126"></a><span class="lineno"> 126</span> xed_decoded_inst_get_length(&instr)));</div>
|
|
<div class="line"><a id="l00127" name="l00127"></a><span class="lineno"> 127</span> </div>
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|
<div class="line"><a id="l00128" name="l00128"></a><span class="lineno"> 128</span> relocs.push_back(<a class="code hl_class" href="../../dd/d37/classtheo_1_1recomp_1_1reloc__t.html" title="meta data about a relocation for a symbol">recomp::reloc_t</a>(</div>
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|
<div class="line"><a id="l00129" name="l00129"></a><span class="lineno"> 129</span> 0, <a class="code hl_function" href="../../d9/dd5/classtheo_1_1decomp_1_1symbol__t.html#a8695d75670cc4d61d275464e9109ff06" title="gets the hash of the symbol name.">decomp::symbol_t::hash</a>(next_inst_sym), next_inst_sym.data()));</div>
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|
<div class="line"><a id="l00130" name="l00130"></a><span class="lineno"> 130</span> </div>
|
|
<div class="line"><a id="l00131" name="l00131"></a><span class="lineno"> 131</span> <span class="comment">// get the instructions bytes</span></div>
|
|
<div class="line"><a id="l00132" name="l00132"></a><span class="lineno"> 132</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00133" name="l00133"></a><span class="lineno"> 133</span> std::vector<std::uint8_t> inst_bytes(</div>
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<div class="line"><a id="l00134" name="l00134"></a><span class="lineno"> 134</span> m_data.data() + offset,</div>
|
|
<div class="line"><a id="l00135" name="l00135"></a><span class="lineno"> 135</span> m_data.data() + offset + xed_decoded_inst_get_length(&instr));</div>
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<div class="line"><a id="l00136" name="l00136"></a><span class="lineno"> 136</span> </div>
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<div class="line"><a id="l00137" name="l00137"></a><span class="lineno"> 137</span> result.push_back(<a class="code hl_class" href="../../d9/dd5/classtheo_1_1decomp_1_1symbol__t.html" title="symbol_t is an abstraction upon the coff symbol. this allows for easier manipulation of the symbol....">decomp::symbol_t</a>(m_img, new_sym_name, offset,</div>
|
|
<div class="line"><a id="l00138" name="l00138"></a><span class="lineno"> 138</span> inst_bytes, m_scn, m_sym, relocs,</div>
|
|
<div class="line"><a id="l00139" name="l00139"></a><span class="lineno"> 139</span> <a class="code hl_enumvalue" href="../../d9/dbd/namespacetheo_1_1decomp.html#af96177687d0ad683c5897d8fa01135f9a4842f4c175b1ec87fc82ef3757d3a0e9">sym_type_t::instruction</a>));</div>
|
|
<div class="line"><a id="l00140" name="l00140"></a><span class="lineno"> 140</span> </div>
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|
<div class="line"><a id="l00141" name="l00141"></a><span class="lineno"> 141</span> <span class="comment">// after creating the symbol and dealing with relocs then print the</span></div>
|
|
<div class="line"><a id="l00142" name="l00142"></a><span class="lineno"> 142</span> <span class="comment">// information we have concluded...</span></div>
|
|
<div class="line"><a id="l00143" name="l00143"></a><span class="lineno"> 143</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00144" name="l00144"></a><span class="lineno"> 144</span> <span class="keywordtype">char</span> buff[255];</div>
|
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<div class="line"><a id="l00145" name="l00145"></a><span class="lineno"> 145</span> offset += xed_decoded_inst_get_length(&instr);</div>
|
|
<div class="line"><a id="l00146" name="l00146"></a><span class="lineno"> 146</span> xed_format_context(XED_SYNTAX_INTEL, &instr, buff, <span class="keyword">sizeof</span> buff, NULL,</div>
|
|
<div class="line"><a id="l00147" name="l00147"></a><span class="lineno"> 147</span> NULL, NULL);</div>
|
|
<div class="line"><a id="l00148" name="l00148"></a><span class="lineno"> 148</span> </div>
|
|
<div class="line"><a id="l00149" name="l00149"></a><span class="lineno"> 149</span> spdlog::info(<span class="stringliteral">"{}: {}"</span>, new_sym_name, buff);</div>
|
|
<div class="line"><a id="l00150" name="l00150"></a><span class="lineno"> 150</span> <span class="comment">// need to set this so that instr can be used to decode again...</span></div>
|
|
<div class="line"><a id="l00151" name="l00151"></a><span class="lineno"> 151</span> xed_decoded_inst_zero_set_mode(&instr, &istate);</div>
|
|
<div class="line"><a id="l00152" name="l00152"></a><span class="lineno"> 152</span> }</div>
|
|
<div class="line"><a id="l00153" name="l00153"></a><span class="lineno"> 153</span> </div>
|
|
<div class="line"><a id="l00154" name="l00154"></a><span class="lineno"> 154</span> <span class="comment">// remove the relocation to the next symbol from the last instruction</span></div>
|
|
<div class="line"><a id="l00155" name="l00155"></a><span class="lineno"> 155</span> <span class="comment">//</span></div>
|
|
<div class="line"><a id="l00156" name="l00156"></a><span class="lineno"> 156</span> <span class="keyword">auto</span>& last_inst = result.back();</div>
|
|
<div class="line"><a id="l00157" name="l00157"></a><span class="lineno"> 157</span> <span class="keyword">auto</span>& last_inst_relocs = last_inst.relocs();</div>
|
|
<div class="line"><a id="l00158" name="l00158"></a><span class="lineno"> 158</span> last_inst_relocs.erase(last_inst_relocs.end() - 1);</div>
|
|
<div class="line"><a id="l00159" name="l00159"></a><span class="lineno"> 159</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00160" name="l00160"></a><span class="lineno"> 160</span> }</div>
|
|
<div class="line"><a id="l00161" name="l00161"></a><span class="lineno"> 161</span> <span class="keywordflow">default</span>:</div>
|
|
<div class="line"><a id="l00162" name="l00162"></a><span class="lineno"> 162</span> <span class="keywordflow">break</span>;</div>
|
|
<div class="line"><a id="l00163" name="l00163"></a><span class="lineno"> 163</span> }</div>
|
|
<div class="line"><a id="l00164" name="l00164"></a><span class="lineno"> 164</span> </div>
|
|
<div class="line"><a id="l00165" name="l00165"></a><span class="lineno"> 165</span> <span class="keywordflow">return</span> result;</div>
|
|
<div class="line"><a id="l00166" name="l00166"></a><span class="lineno"> 166</span>}</div>
|
|
<div class="line"><a id="l00167" name="l00167"></a><span class="lineno"> 167</span> </div>
|
|
<div class="line"><a id="l00168" name="l00168"></a><span class="lineno"><a class="line" href="../../df/db4/classtheo_1_1decomp_1_1routine__t.html#ad3a75cb97abbcd9b282772401b256f36"> 168</a></span>coff::section_header_t* <a class="code hl_function" href="../../df/db4/classtheo_1_1decomp_1_1routine__t.html#ad3a75cb97abbcd9b282772401b256f36" title="gets the section header of the section in which the symbol is located in.">routine_t::scn</a>() {</div>
|
|
<div class="line"><a id="l00169" name="l00169"></a><span class="lineno"> 169</span> <span class="keywordflow">return</span> m_scn;</div>
|
|
<div class="line"><a id="l00170" name="l00170"></a><span class="lineno"> 170</span>}</div>
|
|
<div class="line"><a id="l00171" name="l00171"></a><span class="lineno"> 171</span> </div>
|
|
<div class="line"><a id="l00172" name="l00172"></a><span class="lineno"><a class="line" href="../../df/db4/classtheo_1_1decomp_1_1routine__t.html#a605a2be669a10a5a45325a5dca04401a"> 172</a></span>std::vector<std::uint8_t> <a class="code hl_function" href="../../df/db4/classtheo_1_1decomp_1_1routine__t.html#a605a2be669a10a5a45325a5dca04401a" title="gets the function bytes.">routine_t::data</a>() {</div>
|
|
<div class="line"><a id="l00173" name="l00173"></a><span class="lineno"> 173</span> <span class="keywordflow">return</span> m_data;</div>
|
|
<div class="line"><a id="l00174" name="l00174"></a><span class="lineno"> 174</span>}</div>
|
|
<div class="line"><a id="l00175" name="l00175"></a><span class="lineno"> 175</span>} <span class="comment">// namespace theo::decomp</span></div>
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