\hypertarget{decomp_8cpp_source}{}\doxysection{decomp.\+cpp}
\label{decomp_8cpp_source}\index{src/decomp/decomp.cpp@{src/decomp/decomp.cpp}}
\mbox{\hyperlink{decomp_8cpp}{Go to the documentation of this file.}}
\begin{DoxyCode}{0}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00001}00001 \textcolor{comment}{// Copyright (c) 2022, \_xeroxz}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00002}00002 \textcolor{comment}{// All rights reserved.}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00003}00003 \textcolor{comment}{//}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00004}00004 \textcolor{comment}{// Redistribution and use in source and binary forms, with or without}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00005}00005 \textcolor{comment}{// modification, are permitted provided that the following conditions are met:}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00006}00006 \textcolor{comment}{//}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00007}00007 \textcolor{comment}{// 1. Redistributions of source code must retain the above copyright notice,}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00008}00008 \textcolor{comment}{//    this list of conditions and the following disclaimer.}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00009}00009 \textcolor{comment}{//}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00010}00010 \textcolor{comment}{// 2. Redistributions in binary form must reproduce the above copyright notice,}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00011}00011 \textcolor{comment}{//    this list of conditions and the following disclaimer in the documentation}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00012}00012 \textcolor{comment}{//    and/or other materials provided with the distribution.}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00013}00013 \textcolor{comment}{//}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00014}00014 \textcolor{comment}{// 3. Neither the name of the copyright holder nor the names of its}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00015}00015 \textcolor{comment}{//    contributors may be used to endorse or promote products derived from}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00016}00016 \textcolor{comment}{//    this software without specific prior written permission.}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00017}00017 \textcolor{comment}{//}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00018}00018 \textcolor{comment}{// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "{}AS IS"{}}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00019}00019 \textcolor{comment}{// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00020}00020 \textcolor{comment}{// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00021}00021 \textcolor{comment}{// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00022}00022 \textcolor{comment}{// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00023}00023 \textcolor{comment}{// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00024}00024 \textcolor{comment}{// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00025}00025 \textcolor{comment}{// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00026}00026 \textcolor{comment}{// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00027}00027 \textcolor{comment}{// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00028}00028 \textcolor{comment}{// POSSIBILITY OF SUCH DAMAGE.}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00029}00029 \textcolor{comment}{//}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00030}00030 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00031}00031 \textcolor{preprocessor}{\#include <\mbox{\hyperlink{decomp_8hpp}{decomp/decomp.hpp}}>}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00032}00032 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00033}00033 \textcolor{keyword}{namespace }\mbox{\hyperlink{namespacetheo_1_1decomp}{theo::decomp}} \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00034}\mbox{\hyperlink{classtheo_1_1decomp_1_1decomp__t_a35cfac16bd918d576b29e04388690d68}{00034}} \mbox{\hyperlink{classtheo_1_1decomp_1_1decomp__t_a35cfac16bd918d576b29e04388690d68}{decomp\_t::decomp\_t}}(std::vector<std::uint8\_t>\& lib, \mbox{\hyperlink{classtheo_1_1recomp_1_1symbol__table__t}{recomp::symbol\_table\_t}}* syms)}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00035}00035     : m\_lib(lib), m\_syms(syms) \{\}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00036}00036 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00037}\mbox{\hyperlink{classtheo_1_1decomp_1_1decomp__t_ae23353a4293aa30969b6d3fa37359469}{00037}} std::optional<recomp::symbol\_table\_t*> \mbox{\hyperlink{classtheo_1_1decomp_1_1decomp__t_ae23353a4293aa30969b6d3fa37359469}{decomp\_t::decompose}}(}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00038}00038     std::string\& entry\_sym) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00039}00039   \textcolor{comment}{// extract obj files from the archive file...}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00040}00040   \textcolor{comment}{//}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00041}00041   ar::view<false> \mbox{\hyperlink{classtheo_1_1decomp_1_1decomp__t_aa728bde8ec1c5c28ec09f86adf427ae2}{lib}}(m\_lib.data(), m\_lib.size());}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00042}00042   std::for\_each(}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00043}00043       \mbox{\hyperlink{classtheo_1_1decomp_1_1decomp__t_aa728bde8ec1c5c28ec09f86adf427ae2}{lib}}.begin(), \mbox{\hyperlink{classtheo_1_1decomp_1_1decomp__t_aa728bde8ec1c5c28ec09f86adf427ae2}{lib}}.end(),}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00044}00044       [\&](std::pair<std::string\_view, ar::entry\_t\&> itr) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00045}00045         \textcolor{comment}{// if the entry isnt the symbol table or the string table}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00046}00046         \textcolor{comment}{// then we know its an obj file...}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00047}00047         \textcolor{comment}{//}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00048}00048         if (!itr.second.is\_symbol\_table() \&\& !itr.second.is\_string\_table()) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00049}00049           spdlog::info(\textcolor{stringliteral}{"{}extracted obj from archive: \{\}"{}}, itr.first);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00050}00050           std::vector<std::uint8\_t> data(itr.second.begin(), itr.second.end());}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00051}00051           m\_objs.push\_back(data);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00052}00052         \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00053}00053       \});}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00054}00054 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00055}00055   std::for\_each(}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00056}00056       m\_objs.begin(), m\_objs.end(), [\&](std::vector<std::uint8\_t>\& img\_data) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00057}00057         auto img = reinterpret\_cast<coff::image\_t*>(img\_data.data());}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00058}00058         for (auto idx = 0u; idx < img-\/>file\_header.num\_symbols; ++idx) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00059}00059           auto sym = img-\/>get\_symbol(idx);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00060}00060           if (sym-\/>section\_index -\/ 1 > img-\/>file\_header.num\_sections)}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00061}00061             continue;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00062}00062 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00063}00063           auto sym\_name = symbol\_t::name(img, sym);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00064}00064           if (sym\_name.length()) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00065}00065             auto sym\_hash = symbol\_t::hash(sym\_name.data());}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00066}00066             auto sym\_size =}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00067}00067                 sym-\/>has\_section()}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00068}00068                     ? next\_sym(img, img-\/>get\_section(sym-\/>section\_index -\/ 1),}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00069}00069                                sym)}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00070}00070                     : 0u;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00071}00071 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00072}00072             m\_lookup\_tbl[sym\_hash].emplace\_back(img, sym, sym\_size);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00073}00073           \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00074}00074         \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00075}00075       \});}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00076}00076 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00077}00077   \textcolor{comment}{// extract used symbols from objs and create a nice little set of them so that}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00078}00078   \textcolor{comment}{// we can easily decompose them... no need deal with every single symbol...}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00079}00079   spdlog::info(\textcolor{stringliteral}{"{}extracted \{\} symbols being used..."{}},}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00080}00080                ext\_used\_syms(entry\_sym.data()));}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00081}00081 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00082}00082   \textcolor{comment}{// generate symbols, populate section hash table, for each object file}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00083}00083   \textcolor{comment}{// extracted from the archive file...}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00084}00084   \textcolor{comment}{//}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00085}00085   std::for\_each(m\_used\_syms.begin(), m\_used\_syms.end(), [\&](\mbox{\hyperlink{namespacetheo_1_1decomp_abbf09e1f7eb9e42057ff9c9e8be41266}{sym\_data\_t}} \mbox{\hyperlink{namespacetheo_1_1decomp_af96177687d0ad683c5897d8fa01135f9acdb885c0ea7f6b2874224487c69b8112}{data}}) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00086}00086     auto [img, sym, size] = data;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00087}00087 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00088}00088     \textcolor{comment}{// populate section hash table with sections for the img of this}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00089}00089     \textcolor{comment}{// symbol... only populate the hash table if its not been populated for}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00090}00090     \textcolor{comment}{// this obj before...}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00091}00091     \textcolor{comment}{//}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00092}00092     if (m\_processed\_objs.emplace(img).second) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00093}00093       for (auto idx = 0u; idx < img-\/>file\_header.num\_sections; ++idx) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00094}00094         auto scn = img-\/>get\_section(idx);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00095}00095         auto scn\_sym\_name =}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00096}00096             std::string(scn-\/>name.to\_string(img-\/>get\_strings()))}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00097}00097                 .append(\textcolor{stringliteral}{"{}\#"{}})}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00098}00098                 .append(std::to\_string(idx))}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00099}00099                 .append(\textcolor{stringliteral}{"{}!"{}})}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00100}00100                 .append(std::to\_string(img-\/>file\_header.timedate\_stamp));}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00101}00101 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00102}00102         \textcolor{comment}{// hash the name of the section + the index + the timestamp of the}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00103}00103         \textcolor{comment}{// obj file it is in...}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00104}00104         \textcolor{comment}{//}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00105}00105         m\_scn\_hash\_tbl.insert(\{scn, decomp::symbol\_t::hash(scn\_sym\_name)\});}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00106}00106       \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00107}00107     \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00108}00108 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00109}00109     \textcolor{comment}{// if the symbol is a function then we are going to decompose it...}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00110}00110     \textcolor{comment}{// data symbols are handled after this...}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00111}00111     \textcolor{comment}{//}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00112}00112     if (sym-\/>has\_section()) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00113}00113       if (sym-\/>derived\_type == coff::derived\_type\_id::function) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00114}00114         auto scn = img-\/>get\_section(sym-\/>section\_index -\/ 1);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00115}00115         auto dcmp\_type =}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00116}00116             scn-\/>name.to\_string(img-\/>get\_strings()) == INSTR\_SPLIT\_SECTION\_NAME}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00117}00117                 ? decomp::sym\_type\_t::instruction}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00118}00118                 : decomp::sym\_type\_t::function;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00119}00119 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00120}00120         auto fn\_size = next\_sym(img, scn, sym);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00121}00121         auto fn\_bgn = scn-\/>ptr\_raw\_data + reinterpret\_cast<std::uint8\_t*>(img) +}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00122}00122                       sym-\/>value;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00123}00123 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00124}00124         std::vector<std::uint8\_t> fn(fn\_bgn, fn\_bgn + fn\_size);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00125}00125         decomp::routine\_t rtn(sym, img, scn, fn, dcmp\_type);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00126}00126 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00127}00127         auto syms = rtn.decompose();}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00128}00128         m\_syms-\/>put\_symbols(syms);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00129}00129       \} \textcolor{keywordflow}{else} if (sym-\/>storage\_class == coff::storage\_class\_id::public\_symbol ||}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00130}00130                  sym-\/>storage\_class == coff::storage\_class\_id::private\_symbol) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00131}00131         auto scn = img-\/>get\_section(sym-\/>section\_index -\/ 1);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00132}00132         auto scn\_sym = m\_syms-\/>sym\_from\_hash(m\_scn\_hash\_tbl[scn]);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00133}00133 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00134}00134         \textcolor{comment}{// if the section doesnt have a symbol then make one and put it into}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00135}00135         \textcolor{comment}{// the symbol table...}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00136}00136         \textcolor{comment}{//}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00137}00137         if (!scn\_sym.has\_value()) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00138}00138           auto scn\_sym\_name =}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00139}00139               std::string(scn-\/>name.to\_string(img-\/>get\_strings()))}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00140}00140                   .append(\textcolor{stringliteral}{"{}\#"{}})}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00141}00141                   .append(std::to\_string(sym-\/>section\_index -\/ 1))}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00142}00142                   .append(\textcolor{stringliteral}{"{}!"{}})}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00143}00143                   .append(std::to\_string(img-\/>file\_header.timedate\_stamp));}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00144}00144 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00145}00145           std::vector<std::uint8\_t> scn\_data(scn-\/>size\_raw\_data);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00146}00146           if (scn-\/>characteristics.cnt\_uninit\_data) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00147}00147             scn\_data.insert(scn\_data.begin(), scn-\/>size\_raw\_data, 0);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00148}00148           \} else \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00149}00149             scn\_data.insert(}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00150}00150                 scn\_data.begin(),}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00151}00151                 reinterpret\_cast<std::uint8\_t*>(img) + scn-\/>ptr\_raw\_data,}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00152}00152                 reinterpret\_cast<std::uint8\_t*>(img) + scn-\/>ptr\_raw\_data +}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00153}00153                     scn-\/>size\_raw\_data);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00154}00154           \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00155}00155 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00156}00156           std::vector<recomp::reloc\_t> relocs;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00157}00157           auto scn\_relocs = reinterpret\_cast<coff::reloc\_t*>(}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00158}00158               scn-\/>ptr\_relocs + reinterpret\_cast<std::uint8\_t*>(img));}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00159}00159 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00160}00160           for (auto idx = 0u; idx < scn-\/>num\_relocs; ++idx) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00161}00161             auto scn\_reloc = \&scn\_relocs[idx];}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00162}00162             auto sym\_reloc = img-\/>get\_symbol(scn\_relocs[idx].symbol\_index);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00163}00163             auto sym\_name = symbol\_t::name(img, sym\_reloc);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00164}00164             auto sym\_hash = decomp::symbol\_t::hash(sym\_name.data());}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00165}00165             relocs.push\_back(}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00166}00166                 recomp::reloc\_t(scn\_reloc-\/>virtual\_address -\/ sym-\/>value,}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00167}00167                                 sym\_hash, sym\_name.data()));}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00168}00168           \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00169}00169 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00170}00170           decomp::symbol\_t new\_scn\_sym(img, scn\_sym\_name, 0, scn\_data, scn, \{\},}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00171}00171                                        relocs, sym\_type\_t::section);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00172}00172 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00173}00173           m\_syms-\/>put\_symbol(new\_scn\_sym);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00174}00174         \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00175}00175 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00176}00176         \textcolor{comment}{// create a symbol for the data...}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00177}00177         \textcolor{comment}{//}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00178}00178         \mbox{\hyperlink{classtheo_1_1decomp_1_1symbol__t}{decomp::symbol\_t}} new\_sym(img, symbol\_t::name(img, sym).\mbox{\hyperlink{namespacetheo_1_1decomp_af96177687d0ad683c5897d8fa01135f9acdb885c0ea7f6b2874224487c69b8112}{data}}(),}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00179}00179                                  sym-\/>value, \{\}, scn, sym, \{\},}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00180}00180                                  \mbox{\hyperlink{namespacetheo_1_1decomp_af96177687d0ad683c5897d8fa01135f9acdb885c0ea7f6b2874224487c69b8112}{sym\_type\_t::data}});}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00181}00181 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00182}00182         m\_syms-\/>put\_symbol(new\_sym);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00183}00183       \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00184}00184     \} \textcolor{keywordflow}{else} \textcolor{keywordflow}{if} (sym-\/>storage\_class ==}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00185}00185                coff::storage\_class\_id::}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00186}00186                    external\_definition) \{  \textcolor{comment}{// else if the symbol has no}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00187}00187                                            \textcolor{comment}{// section... these symbols}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00188}00188                                            \textcolor{comment}{// require the linker to allocate}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00189}00189                                            \textcolor{comment}{// space for them...}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00190}00190 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00191}00191       std::vector<std::uint8\_t> data(sym-\/>value, 0);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00192}00192       decomp::symbol\_t bss\_sym(img, symbol\_t::name(img, sym).data(), \{\}, \mbox{\hyperlink{namespacetheo_1_1decomp_af96177687d0ad683c5897d8fa01135f9acdb885c0ea7f6b2874224487c69b8112}{data}},}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00193}00193                                \{\}, sym, \{\}, \mbox{\hyperlink{namespacetheo_1_1decomp_af96177687d0ad683c5897d8fa01135f9acdb885c0ea7f6b2874224487c69b8112}{sym\_type\_t::data}});}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00194}00194 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00195}00195       m\_syms-\/>put\_symbol(bss\_sym);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00196}00196     \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00197}00197   \});}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00198}00198 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00199}00199   \textcolor{comment}{// return the extract symbols to the caller...}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00200}00200   \textcolor{comment}{//}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00201}00201   \textcolor{keywordflow}{return} m\_syms;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00202}00202 \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00203}00203 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00204}00204 std::uint32\_t decomp\_t::next\_sym(coff::image\_t* img,}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00205}00205                                  coff::section\_header\_t* hdr,}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00206}00206                                  coff::symbol\_t* s) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00207}00207   \textcolor{comment}{// loop over all symbols in this object...}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00208}00208   \textcolor{comment}{// find the next symbol inside of the same section...}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00209}00209   \textcolor{comment}{// if there is no next symbol then we use the end of the section...}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00210}00210   std::uint32\_t res = hdr-\/>size\_raw\_data;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00211}00211   \textcolor{keywordflow}{for} (\textcolor{keyword}{auto} idx = 0u; idx < img-\/>file\_header.num\_symbols; ++idx) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00212}00212     \textcolor{keyword}{auto} q = img-\/>get\_symbol(idx);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00213}00213     \textcolor{keywordflow}{if} (q-\/>derived\_type == \mbox{\hyperlink{namespacetheo_1_1decomp_af96177687d0ad683c5897d8fa01135f9acf6baee49c2ddb7e89724231bbd75d4a}{coff::derived\_type\_id::function}} \&\&}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00214}00214         q-\/>section\_index == s-\/>section\_index \&\& q != s)}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00215}00215       \textcolor{keywordflow}{if} (q-\/>value > s-\/>value \&\& q-\/>value < res)}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00216}00216         res = q-\/>value;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00217}00217   \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00218}00218   \textcolor{keywordflow}{return} res;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00219}00219 \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00220}00220 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00221}00221 std::uint32\_t decomp\_t::ext\_used\_syms(\textcolor{keyword}{const} std::string\&\& entry\_sym) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00222}00222   std::optional<sym\_data\_t> entry = get\_symbol(entry\_sym.data());}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00223}00223   \textcolor{keywordflow}{if} (!entry.has\_value())}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00224}00224     \textcolor{keywordflow}{return} 0u;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00225}00225 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00226}00226   std::set<coff::symbol\_t*> cache;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00227}00227   \textcolor{keyword}{const} \textcolor{keyword}{auto} finding\_syms = [\&]() -\/> \textcolor{keywordtype}{bool} \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00228}00228     \textcolor{keywordflow}{for} (\textcolor{keyword}{auto} itr = m\_used\_syms.begin(); itr != m\_used\_syms.end(); ++itr) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00229}00229       \textcolor{keyword}{auto} [img, sym, size] = *itr;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00230}00230       \textcolor{keywordflow}{if} (sym-\/>has\_section() \&\& !cache.count(sym) \&\& size) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00231}00231         \textcolor{keyword}{auto} scn = img-\/>get\_section(sym-\/>section\_index -\/ 1);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00232}00232         \textcolor{keyword}{auto} num\_relocs = scn-\/>num\_relocs;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00233}00233         \textcolor{keyword}{auto} relocs = \textcolor{keyword}{reinterpret\_cast<}coff::reloc\_t*\textcolor{keyword}{>}(}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00234}00234             scn-\/>ptr\_relocs + \textcolor{keyword}{reinterpret\_cast<}std::uint8\_t*\textcolor{keyword}{>}(img));}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00235}00235 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00236}00236         \textcolor{keywordflow}{for} (\textcolor{keyword}{auto} idx = 0u; idx < num\_relocs; ++idx) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00237}00237           \textcolor{keyword}{auto} reloc = \&relocs[idx];}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00238}00238           \textcolor{comment}{// if the reloc is inside of the current symbol...}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00239}00239           \textcolor{keywordflow}{if} (reloc-\/>virtual\_address >= sym-\/>value \&\&}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00240}00240               reloc-\/>virtual\_address < sym-\/>value + size) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00241}00241             \textcolor{keyword}{auto} reloc\_sym = img-\/>get\_symbol(reloc-\/>symbol\_index);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00242}00242             \textcolor{keyword}{auto} sym\_name = symbol\_t::name(img, reloc\_sym);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00243}00243             entry = get\_symbol(sym\_name);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00244}00244             \textcolor{keywordflow}{if} (m\_used\_syms.emplace(entry.value()).second)}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00245}00245               \textcolor{keywordflow}{return} \textcolor{keyword}{true};}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00246}00246           \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00247}00247         \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00248}00248         cache.emplace(sym);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00249}00249       \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00250}00250     \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00251}00251     \textcolor{keywordflow}{return} \textcolor{keyword}{false};}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00252}00252   \};}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00253}00253 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00254}00254   m\_used\_syms.emplace(entry.value());}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00255}00255   \textcolor{keywordflow}{for} (m\_used\_syms.emplace(entry.value()); finding\_syms();)}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00256}00256     ;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00257}00257 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00258}00258   \textcolor{keywordflow}{return} m\_used\_syms.size();}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00259}00259 \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00260}00260 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00261}00261 std::optional<sym\_data\_t> decomp\_t::get\_symbol(\textcolor{keyword}{const} std::string\_view\& name) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00262}00262   coff::image\_t* img = \{\};}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00263}00263   coff::symbol\_t* sym = \{\};}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00264}00264   std::uint32\_t size = \{\};}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00265}00265 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00266}00266   \textcolor{keyword}{auto}\& syms = m\_lookup\_tbl[symbol\_t::hash(name.data())];}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00267}00267   \textcolor{keywordflow}{for} (\textcolor{keyword}{auto} idx = 0u; idx < syms.size(); ++idx) \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00268}00268     img = std::get<0>(syms[idx]);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00269}00269     sym = std::get<1>(syms[idx]);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00270}00270     size = std::get<2>(syms[idx]);}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00271}00271     \textcolor{keywordflow}{if} (sym-\/>has\_section())}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00272}00272       \textcolor{keywordflow}{return} \{\{img, sym, size\}\};}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00273}00273   \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00274}00274 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00275}00275   \textcolor{keywordflow}{if} (img \&\& sym)}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00276}00276     \textcolor{keywordflow}{return} \{\{img, sym, size\}\};}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00277}00277 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00278}00278   \textcolor{keywordflow}{return} \{\};}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00279}00279 \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00280}00280 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00281}\mbox{\hyperlink{classtheo_1_1decomp_1_1decomp__t_a79c965ec0a996a936faae7f54b0e055e}{00281}} std::vector<routine\_t> decomp\_t::rtns() \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00282}00282   \textcolor{keywordflow}{return} m\_rtns;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00283}00283 \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00284}00284 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00285}\mbox{\hyperlink{classtheo_1_1decomp_1_1decomp__t_aa728bde8ec1c5c28ec09f86adf427ae2}{00285}} std::vector<std::uint8\_t> decomp\_t::lib() \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00286}00286   \textcolor{keywordflow}{return} m\_lib;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00287}00287 \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00288}00288 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00289}\mbox{\hyperlink{classtheo_1_1decomp_1_1decomp__t_a81ae70b313a9ef24ea5d8f404699baef}{00289}} std::vector<std::vector<std::uint8\_t>> decomp\_t::objs() \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00290}00290   \textcolor{keywordflow}{return} m\_objs;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00291}00291 \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00292}00292 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00293}\mbox{\hyperlink{classtheo_1_1decomp_1_1decomp__t_a8630f2ee0f4fb9516f5b20014e4c6120}{00293}} \mbox{\hyperlink{classtheo_1_1recomp_1_1symbol__table__t}{recomp::symbol\_table\_t}}* decomp\_t::syms() \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00294}00294   \textcolor{keywordflow}{return} m\_syms;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00295}00295 \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00296}00296 }
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00297}\mbox{\hyperlink{classtheo_1_1decomp_1_1decomp__t_a860dddc3a5d12231b685dbaa12a0db06}{00297}} std::map<coff::section\_header\_t*, std::size\_t>\& decomp\_t::scn\_hash\_tbl() \{}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00298}00298   \textcolor{keywordflow}{return} m\_scn\_hash\_tbl;}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00299}00299 \}}
\DoxyCodeLine{\Hypertarget{decomp_8cpp_source_l00300}00300 \}  \textcolor{comment}{// namespace theo::decomp}}

\end{DoxyCode}