From d559b996ed5ceb0f96c20086bc55ef4e5027d5be Mon Sep 17 00:00:00 2001
From: _xeroxz <xerox@back.engineering>
Date: Thu, 24 Jun 2021 16:13:29 -0700
Subject: [PATCH] beginning work on pe file dctor...

---
 .gitmodules                                   |   3 +
 dependencies/linux-pe                         |   1 +
 include/llodctor/llodctor_base.hpp            |   7 +-
 include/llodctor/llodctor_pe.hpp              |   3 +-
 include/lloiff.hpp                            |   2 +-
 include/llosymbol/llosymbol_base.hpp          |   4 +-
 .../llosymbol_loader_base.hpp                 |  10 +-
 .../llosymbol_loader/llosymbol_loader_map.cpp |   5 +
 .../llosymbol_loader/llosymbol_loader_map.hpp |  18 +++
 include/lloutils.hpp                          |  29 +++++
 llo-s1.vcxproj                                |  41 +++++-
 llo-s1.vcxproj.filters                        | 120 ++++++++++++++++++
 src/llodctor_pe.cpp                           |  14 +-
 src/main.cpp                                  |  84 +++++++++---
 14 files changed, 310 insertions(+), 31 deletions(-)
 create mode 160000 dependencies/linux-pe
 create mode 100644 include/llosymbol_loader/llosymbol_loader_map.cpp

diff --git a/.gitmodules b/.gitmodules
index 6f6a91b..e33db3e 100644
--- a/.gitmodules
+++ b/.gitmodules
@@ -1,3 +1,6 @@
 [submodule "dependencies/cli-parser"]
 	path = dependencies/cli-parser
 	url = https://githacks.org/_xeroxz/cli-parser.git
+[submodule "dependencies/linux-pe"]
+	path = dependencies/linux-pe
+	url = https://github.com/can1357/linux-pe.git
diff --git a/dependencies/linux-pe b/dependencies/linux-pe
new file mode 160000
index 0000000..db2b7af
--- /dev/null
+++ b/dependencies/linux-pe
@@ -0,0 +1 @@
+Subproject commit db2b7af6e6beae1bc391ff8f8e5c97b963dc3258
diff --git a/include/llodctor/llodctor_base.hpp b/include/llodctor/llodctor_base.hpp
index 9cb6ca8..1dc8277 100644
--- a/include/llodctor/llodctor_base.hpp
+++ b/include/llodctor/llodctor_base.hpp
@@ -12,6 +12,7 @@ namespace llo::s1
     /// </summary>
     class dctor_base_t
     {
+      protected:
         /// <summary>
         /// vector of bytes containing the raw image to be deconstructed...
         /// </summary>
@@ -20,7 +21,7 @@ namespace llo::s1
         /// <summary>
         /// symbol loader used when generating iff...
         /// </summary>
-        llo::s1::symbol_loader_base_t* symbol_loader;
+        llo::s1::symbol_loader_base_t *symbol_loader;
 
       public:
         /// <summary>
@@ -28,7 +29,7 @@ namespace llo::s1
         /// </summary>
         /// <param name="image">vector of bytes containing the raw image...</param>
         explicit dctor_base_t( std::vector< std::uint8_t > &image,
-                               llo::s1::symbol_loader_base_t* symbol_loader = nullptr )
+                               llo::s1::symbol_loader_base_t *symbol_loader = nullptr )
             : raw_img{ image }, symbol_loader{ symbol_loader }
         {
         }
@@ -39,6 +40,6 @@ namespace llo::s1
         /// </summary>
         /// <param name="iff"></param>
         /// <returns></returns>
-        virtual bool generate( lloiff_t &iff ) = 0;
+        virtual void generate( lloiff_t &iff ) = 0;
     };
 } // namespace llo::s1
\ No newline at end of file
diff --git a/include/llodctor/llodctor_pe.hpp b/include/llodctor/llodctor_pe.hpp
index f58ee81..770fdd5 100644
--- a/include/llodctor/llodctor_pe.hpp
+++ b/include/llodctor/llodctor_pe.hpp
@@ -1,5 +1,6 @@
 #pragma once
 #include <llodctor/llodctor_base.hpp>
+#include <linuxpe>
 
 namespace llo::s1
 {
@@ -12,6 +13,6 @@ namespace llo::s1
         {
         }
 
-        bool generate( lloiff_t &iff ) override;
+        void generate( lloiff_t &iff ) override;
     };
 } // namespace llo::s1
\ No newline at end of file
diff --git a/include/lloiff.hpp b/include/lloiff.hpp
index e500ad1..8e377e5 100644
--- a/include/lloiff.hpp
+++ b/include/lloiff.hpp
@@ -24,7 +24,7 @@ namespace llo
         {
           public:
             llo::utils::hash_t< std::string > section_name;
-            std::vector< llo::symbol::symbol_base_t > symbols;
+            std::vector< std::shared_ptr< llo::symbol::symbol_base_t > > symbols;
             std::vector< std::uint8_t > section_raw;
         };
 
diff --git a/include/llosymbol/llosymbol_base.hpp b/include/llosymbol/llosymbol_base.hpp
index 60cf30d..a62d250 100644
--- a/include/llosymbol/llosymbol_base.hpp
+++ b/include/llosymbol/llosymbol_base.hpp
@@ -31,7 +31,7 @@ namespace llo::symbol
         {
         }
 
-        virtual symbol_type_t get_type() const;
-        virtual std::size_t get_size() const;
+        virtual symbol_type_t get_type() const = 0;
+        virtual std::size_t get_size() const = 0;
     };
 } // namespace llo::symbol
\ No newline at end of file
diff --git a/include/llosymbol_loader/llosymbol_loader_base.hpp b/include/llosymbol_loader/llosymbol_loader_base.hpp
index 8ec0311..5020cc6 100644
--- a/include/llosymbol_loader/llosymbol_loader_base.hpp
+++ b/include/llosymbol_loader/llosymbol_loader_base.hpp
@@ -10,10 +10,16 @@ namespace llo::s1
     class symbol_loader_base_t
     {
         std::string symbols_path;
+
       public:
-        symbol_loader_base_t( const std::string &&path ) : symbols_path{ path }
+        explicit symbol_loader_base_t( std::string &&path ) : symbols_path{ path }
         {
         }
-        virtual void load( llo::lloiff_t && ) = 0;
+
+        symbol_loader_base_t( std::string &path ) : symbols_path{ path }
+        {
+        }
+
+        virtual void load( llo::lloiff_t &) = 0;
     };
 } // namespace llo::s1
\ No newline at end of file
diff --git a/include/llosymbol_loader/llosymbol_loader_map.cpp b/include/llosymbol_loader/llosymbol_loader_map.cpp
new file mode 100644
index 0000000..eeeaf48
--- /dev/null
+++ b/include/llosymbol_loader/llosymbol_loader_map.cpp
@@ -0,0 +1,5 @@
+#include <llosymbol_loader/llosymbol_loader_map.hpp>
+
+void llo::s1::symbol_loader_map_t::load( llo::lloiff_t &iff )
+{
+}
\ No newline at end of file
diff --git a/include/llosymbol_loader/llosymbol_loader_map.hpp b/include/llosymbol_loader/llosymbol_loader_map.hpp
index e69de29..379c00a 100644
--- a/include/llosymbol_loader/llosymbol_loader_map.hpp
+++ b/include/llosymbol_loader/llosymbol_loader_map.hpp
@@ -0,0 +1,18 @@
+#include <llosymbol_loader/llosymbol_loader_base.hpp>
+
+namespace llo::s1
+{
+    class symbol_loader_map_t : public symbol_loader_base_t
+    {
+      public:
+        explicit symbol_loader_map_t( std::string &&path ) : symbol_loader_base_t( path )
+        {
+        }
+
+        symbol_loader_map_t( std::string &path ) : symbol_loader_base_t( path )
+        {
+        }
+
+        void load( llo::lloiff_t &iff ) override;
+    };
+} // namespace llo::s1
\ No newline at end of file
diff --git a/include/lloutils.hpp b/include/lloutils.hpp
index 3375282..a75bbb5 100644
--- a/include/lloutils.hpp
+++ b/include/lloutils.hpp
@@ -1,7 +1,12 @@
 #pragma once
+#include <algorithm>
 #include <cstdint>
+#include <fstream>
 #include <functional>
+#include <map>
+#include <memory>
 #include <random>
+#include <string>
 #include <type_traits>
 #include <variant>
 
@@ -28,6 +33,30 @@ namespace llo::utils
         return uniform_distribution( mt );
     }
 
+    /// <summary>
+    /// reads a binary file off disk into an std::vector<std::uint8_t>...
+    /// </summary>
+    /// <param name="file">file path...</param>
+    /// <param name="data">vector to fill up with bytes...</param>
+    /// <returns>returns true if no errors happened...</returns>
+    inline bool open_binary_file( std::string file, std::vector< uint8_t > &data )
+    {
+        std::ifstream fstr( file, std::ios::binary );
+
+        if ( !fstr.is_open() )
+            return false;
+
+        fstr.unsetf( std::ios::skipws );
+        fstr.seekg( 0, std::ios::end );
+
+        const auto file_size = fstr.tellg();
+
+        fstr.seekg( NULL, std::ios::beg );
+        data.reserve( static_cast< uint32_t >( file_size ) );
+        data.insert( data.begin(), std::istream_iterator< uint8_t >( fstr ), std::istream_iterator< uint8_t >() );
+        return true;
+    }
+
     /// <summary>
     /// hash class, used in lloiff, symbols, sections, and much more...
     /// </summary>
diff --git a/llo-s1.vcxproj b/llo-s1.vcxproj
index 2ad9a65..d2fc82a 100644
--- a/llo-s1.vcxproj
+++ b/llo-s1.vcxproj
@@ -11,6 +11,7 @@
     </ProjectConfiguration>
   </ItemGroup>
   <ItemGroup>
+    <ClInclude Include="dependencies\cli-parser\cli-parser.hpp" />
     <ClInclude Include="dependencies\fcml\include\fcml_assembler.h" />
     <ClInclude Include="dependencies\fcml\include\fcml_assembler.hpp" />
     <ClInclude Include="dependencies\fcml\include\fcml_choosers.h" />
@@ -47,9 +48,41 @@
     <ClInclude Include="dependencies\fcml\include\fcml_symbols.h" />
     <ClInclude Include="dependencies\fcml\include\fcml_symbols.hpp" />
     <ClInclude Include="dependencies\fcml\include\fcml_types.h" />
+    <ClInclude Include="dependencies\linux-pe\includes\coff\archive.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\coff\auxiliaries\aux_file_name.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\coff\auxiliaries\aux_function.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\coff\auxiliaries\aux_function_delimiter.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\coff\auxiliaries\aux_section.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\coff\auxiliaries\aux_weak_external.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\coff\file_header.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\coff\image.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\coff\import_library.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\coff\line_number.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\coff\reloc.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\coff\section_header.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\coff\string.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\coff\symbol.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\coff\uleb128.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\img_common.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\nt\data_directories.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_debug.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_delay_load.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_exceptions.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_export.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_iat.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_import.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_load_config.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_relocs.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_resource.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_security.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_tls.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\nt\image.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\nt\nt_headers.hpp" />
+    <ClInclude Include="dependencies\linux-pe\includes\nt\optional_header.hpp" />
     <ClInclude Include="include\llodctor\llodctor_base.hpp" />
     <ClInclude Include="include\llodctor\llodctor_bin.hpp" />
     <ClInclude Include="include\llodctor\llodctor_elf.hpp" />
+    <ClInclude Include="include\llodctor\llodctor_lib.hpp" />
     <ClInclude Include="include\llodctor\llodctor_pe.hpp" />
     <ClInclude Include="include\llodisposition\llodisposition_types.hpp" />
     <ClInclude Include="include\lloiff.hpp" />
@@ -66,11 +99,13 @@
   </ItemGroup>
   <ItemGroup>
     <None Include=".clang-format" />
+    <None Include="dependencies\linux-pe\includes\linuxpe" />
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="dependencies\fcml\include\fcml_gas_mnemonics.cpp" />
     <ClCompile Include="dependencies\fcml\include\fcml_intel_mnemonics.cpp" />
     <ClCompile Include="dependencies\fcml\include\fcml_registers.cpp" />
+    <ClCompile Include="include\llosymbol_loader\llosymbol_loader_map.cpp" />
     <ClCompile Include="src\llodctor_pe.cpp" />
     <ClCompile Include="src\main.cpp" />
   </ItemGroup>
@@ -109,11 +144,11 @@
   <PropertyGroup Label="UserMacros" />
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <LinkIncremental>true</LinkIncremental>
-    <IncludePath>$(ProjectDir)include;$(IncludePath);$(ProjectDir)include;$(ProjectDir)dependencies\fcml\include\</IncludePath>
+    <IncludePath>$(ProjectDir)include;$(IncludePath);$(ProjectDir)include;$(ProjectDir)dependencies\fcml\include\;$(ProjectDir)dependencies\cli-parser\;$(ProjectDir)dependencies\linux-pe\includes;$(ProjectDir)dependencies\xtils\</IncludePath>
   </PropertyGroup>
   <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
     <LinkIncremental>false</LinkIncremental>
-    <IncludePath>$(VC_IncludePath);$(WindowsSDK_IncludePath);;$(ProjectDir)include;$(ProjectDir)dependencies\fcml\include\</IncludePath>
+    <IncludePath>$(VC_IncludePath);$(WindowsSDK_IncludePath);;$(ProjectDir)include;$(ProjectDir)dependencies\fcml\include\;$(ProjectDir)dependencies\cli-parser\;$(ProjectDir)dependencies\linux-pe\includes;$(ProjectDir)dependencies\xtils\</IncludePath>
   </PropertyGroup>
   <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
     <ClCompile>
@@ -137,7 +172,7 @@
       <SDLCheck>true</SDLCheck>
       <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
       <ConformanceMode>true</ConformanceMode>
-      <LanguageStandard>stdcpp17</LanguageStandard>
+      <LanguageStandard>stdcpplatest</LanguageStandard>
     </ClCompile>
     <Link>
       <SubSystem>Console</SubSystem>
diff --git a/llo-s1.vcxproj.filters b/llo-s1.vcxproj.filters
index 4961785..79255d5 100644
--- a/llo-s1.vcxproj.filters
+++ b/llo-s1.vcxproj.filters
@@ -27,6 +27,21 @@
     <Filter Include="Header Files\llodisposition">
       <UniqueIdentifier>{3c4da18e-ebe9-4cf0-8edc-025d26da4d13}</UniqueIdentifier>
     </Filter>
+    <Filter Include="Header Files\linux-pe">
+      <UniqueIdentifier>{6d02947c-bc11-46d5-a571-5ed1ec5c54cb}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header Files\linux-pe\nt">
+      <UniqueIdentifier>{199f9012-40e3-45c4-963e-11da136be320}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header Files\linux-pe\coff">
+      <UniqueIdentifier>{a3e87fb9-6f1a-4d3e-87e5-1869fdae603b}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header Files\linux-pe\nt\directories">
+      <UniqueIdentifier>{6d7474df-553d-4b37-8424-fa35c45ae9ca}</UniqueIdentifier>
+    </Filter>
+    <Filter Include="Header Files\linux-pe\coff\auxiliaries">
+      <UniqueIdentifier>{98d78f45-088b-441d-b20f-f4b2e7cec972}</UniqueIdentifier>
+    </Filter>
   </ItemGroup>
   <ItemGroup>
     <ClInclude Include="include\lloiff.hpp">
@@ -185,11 +200,113 @@
     <ClInclude Include="include\llodisposition\llodisposition_types.hpp">
       <Filter>Header Files\llodisposition</Filter>
     </ClInclude>
+    <ClInclude Include="include\llodctor\llodctor_lib.hpp">
+      <Filter>Header Files\llodctor</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\cli-parser\cli-parser.hpp">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\img_common.hpp">
+      <Filter>Header Files\linux-pe</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\nt\data_directories.hpp">
+      <Filter>Header Files\linux-pe\nt</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\nt\image.hpp">
+      <Filter>Header Files\linux-pe\nt</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\nt\nt_headers.hpp">
+      <Filter>Header Files\linux-pe\nt</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\nt\optional_header.hpp">
+      <Filter>Header Files\linux-pe\nt</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_debug.hpp">
+      <Filter>Header Files\linux-pe\nt\directories</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_delay_load.hpp">
+      <Filter>Header Files\linux-pe\nt\directories</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_exceptions.hpp">
+      <Filter>Header Files\linux-pe\nt\directories</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_export.hpp">
+      <Filter>Header Files\linux-pe\nt\directories</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_iat.hpp">
+      <Filter>Header Files\linux-pe\nt\directories</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_import.hpp">
+      <Filter>Header Files\linux-pe\nt\directories</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_load_config.hpp">
+      <Filter>Header Files\linux-pe\nt\directories</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_relocs.hpp">
+      <Filter>Header Files\linux-pe\nt\directories</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_resource.hpp">
+      <Filter>Header Files\linux-pe\nt\directories</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_security.hpp">
+      <Filter>Header Files\linux-pe\nt\directories</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\nt\directories\dir_tls.hpp">
+      <Filter>Header Files\linux-pe\nt\directories</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\coff\archive.hpp">
+      <Filter>Header Files\linux-pe\coff</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\coff\file_header.hpp">
+      <Filter>Header Files\linux-pe\coff</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\coff\image.hpp">
+      <Filter>Header Files\linux-pe\coff</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\coff\import_library.hpp">
+      <Filter>Header Files\linux-pe\coff</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\coff\line_number.hpp">
+      <Filter>Header Files\linux-pe\coff</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\coff\reloc.hpp">
+      <Filter>Header Files\linux-pe\coff</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\coff\section_header.hpp">
+      <Filter>Header Files\linux-pe\coff</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\coff\string.hpp">
+      <Filter>Header Files\linux-pe\coff</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\coff\symbol.hpp">
+      <Filter>Header Files\linux-pe\coff</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\coff\uleb128.hpp">
+      <Filter>Header Files\linux-pe\coff</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\coff\auxiliaries\aux_file_name.hpp">
+      <Filter>Header Files\linux-pe\coff\auxiliaries</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\coff\auxiliaries\aux_function.hpp">
+      <Filter>Header Files\linux-pe\coff\auxiliaries</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\coff\auxiliaries\aux_function_delimiter.hpp">
+      <Filter>Header Files\linux-pe\coff\auxiliaries</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\coff\auxiliaries\aux_section.hpp">
+      <Filter>Header Files\linux-pe\coff\auxiliaries</Filter>
+    </ClInclude>
+    <ClInclude Include="dependencies\linux-pe\includes\coff\auxiliaries\aux_weak_external.hpp">
+      <Filter>Header Files\linux-pe\coff\auxiliaries</Filter>
+    </ClInclude>
   </ItemGroup>
   <ItemGroup>
     <None Include=".clang-format">
       <Filter>Resource Files</Filter>
     </None>
+    <None Include="dependencies\linux-pe\includes\linuxpe">
+      <Filter>Header Files\linux-pe</Filter>
+    </None>
   </ItemGroup>
   <ItemGroup>
     <ClCompile Include="src\llodctor_pe.cpp">
@@ -207,5 +324,8 @@
     <ClCompile Include="dependencies\fcml\include\fcml_registers.cpp">
       <Filter>Header Files\fcml</Filter>
     </ClCompile>
+    <ClCompile Include="include\llosymbol_loader\llosymbol_loader_map.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
   </ItemGroup>
 </Project>
\ No newline at end of file
diff --git a/src/llodctor_pe.cpp b/src/llodctor_pe.cpp
index beabb77..ffa1dd6 100644
--- a/src/llodctor_pe.cpp
+++ b/src/llodctor_pe.cpp
@@ -1,6 +1,16 @@
 #include <llodctor/llodctor_pe.hpp>
 
-bool llo::s1::dctor_pe_t::generate( lloiff_t &iff )
+void llo::s1::dctor_pe_t::generate( lloiff_t &iff )
 {
-    return false;
+    auto dos_header = reinterpret_cast< win::dos_header_t * >( raw_img.data() );
+    auto sections = dos_header->get_nt_headers()->get_sections();
+    auto section_count = dos_header->get_nt_headers()->file_header.num_sections;
+
+    for ( auto idx = 0u; idx < section_count; ++idx, ++sections )
+    {
+
+    }
+
+    if ( symbol_loader )
+        symbol_loader->load( iff );
 }
diff --git a/src/main.cpp b/src/main.cpp
index fc8c77a..07d0790 100644
--- a/src/main.cpp
+++ b/src/main.cpp
@@ -1,36 +1,86 @@
 #define NOMINMAX
+#define _CRT_SECURE_NO_WARNINGS
+
+#include <cli-parser.hpp>
+#include <filesystem>
 #include <llodctor/llodctor_pe.hpp>
-#include <lloiff.hpp>
-#include <llosymbol_loader/llosymbol_loader_base.hpp>
+#include <llosymbol_loader/llosymbol_loader_map.hpp>
 
 int __cdecl main( int argc, const char *argv[] )
 {
-    // read the file path in from cli...
-    std::string file_name = "test.exe";
+    argparse::argument_parser_t cli_parser( "llo stage-one", "llo stage one demo" );
+    cli_parser.add_argument()
+        .names( { "-i", "--input" } )
+        .description( "input file, must be a supported file format..." )
+        .required( true );
 
-    // open the image from disk...
-    std::vector< std::uint8_t > image;
+    cli_parser.add_argument()
+        .names( { "-s", "--symbols" } )
+        .description( "path to symbols file, must be a supported file format... pdb, map, etc..." );
 
-    llo::lloiff_t iff( file_name );
-    llo::s1::dctor_pe_t pe_dctor( image );
+    cli_parser.enable_help();
+    auto err = cli_parser.parse( argc, argv );
+
+    if ( err )
+    {
+        std::cout << err << std::endl;
+        cli_parser.print_help();
+        return -1;
+    }
 
-    std::printf( "> iff name = %s, hash = 0x%p\n", iff.get_name().get_data().c_str(), iff.get_name().get_hash() );
+    auto file_name{ cli_parser.get< std::string >( "input" ) };
 
-    if ( !pe_dctor.generate( iff ) )
+    if ( !std::filesystem::exists( file_name ) )
     {
-        std::printf( "> failed to generate iff...\n" );
+        std::printf( "[!] input file does not exist...\n" );
         return -1;
     }
 
-    const auto &iff_sections = iff.get_sections();
-    for ( auto &section : iff_sections )
+    std::vector< std::uint8_t > image;
+
+    if ( !llo::utils::open_binary_file( file_name, image ) )
     {
-        std::printf( "> section name = %s, section uq hash = 0x%p\n", section.section_name.get_data().c_str(),
-                     section.section_name.get_unique_hash() );
+        std::printf( "[!] failed to read file off disk...\n" );
+        return -1;
+    }
 
-        for ( auto &symbol : section.symbols )
+    std::shared_ptr< llo::s1::symbol_loader_base_t > symbol_loader = nullptr;
+
+    if ( cli_parser.exists( "symbols" ) )
+    {
+        std::filesystem::path symbols_file{ cli_parser.get< std::string >( "symbols" ) };
+        if ( symbols_file.extension().compare( ".map" ) )
+        {
+            symbol_loader = std::make_shared< llo::s1::symbol_loader_map_t >( symbols_file.string() );
+        }
+        else if ( symbols_file.extension().compare( ".pdb" ) )
         {
-            std::printf( "> symbol type = %d, symbol size = 0x%x\n", symbol.get_type(), symbol.get_size() );
+            // TODO:
+            // symbol_loader = std::make_shared< llo::s1::symbol_loader_pdb_t >( symbols_file );
         }
     }
+
+    std::shared_ptr< llo::s1::dctor_base_t > file_dctor = nullptr;
+    std::filesystem::path file_path{ file_name };
+
+    if ( file_path.extension().compare( ".exe" ) || file_path.extension().compare( ".dll" ) ||
+         file_path.extension().compare( ".sys" ) )
+    {
+        file_dctor = std::make_shared< llo::s1::dctor_pe_t >( image, symbol_loader.get() );
+    }
+    else if ( file_path.extension().compare( ".o" ) )
+    {
+        // TODO: elf file format...
+        return -1;
+    }
+    else
+    {
+        std::printf( "[!] unknown file extension: %s\n", file_path.extension().c_str() );
+        return -1;
+    }
+
+    llo::lloiff_t iff( file_name );
+    file_dctor->generate( iff );
+
+    std::printf( "> number of sections = %d\n", iff.get_sections().size() );
 }
\ No newline at end of file