add coredump tools

2023-09-20 22:26:39 +08:00 · 2023-09-20 22:26:39 +08:00 · 01d1f0a250
commit 01d1f0a250
parent 0bc99d6f39
8 changed files with 574 additions and 23 deletions
--- a/IronPad/IronPad.cpp
+++ b/IronPad/IronPad.cpp
@ -0,0 +1,300 @@
+#include "IronPad.hpp"
+#include <Windows.h>
+#include <DbgHelp.h>
+#include <filesystem>
+#include <cstdarg>
+#include <cstdio>
+
+namespace IronPad {
+
+#if defined(IRONPAD_ENABLED)
+
+	/**
+	 * @brief true if the exception handler already registered.
+	 * This variable is served for singleton.
+	*/
+	static bool g_IsRegistered = false;
+	/**
+	 * @brief true if a exception handler is running.
+	 * This variable is served for blocking possible infinity recursive exception handling.
+	*/
+	static bool g_IsProcessing = false;
+	/**
+	 * @brief The backup of original exception handler.
+	*/
+	LPTOP_LEVEL_EXCEPTION_FILTER g_ProcBackup;
+
+#pragma region Exception Handler Detail
+
+	static const char* UExceptionGetCodeName(DWORD code) {
+		switch (code) {
+			case EXCEPTION_ACCESS_VIOLATION:
+				return "access violation";
+			case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
+				return "array index out of bound";
+			case EXCEPTION_BREAKPOINT:
+				return "breakpoint reached";
+			case EXCEPTION_DATATYPE_MISALIGNMENT:
+				return "misaligned data access";
+			case EXCEPTION_FLT_DENORMAL_OPERAND:
+				return "operand had denormal value";
+			case EXCEPTION_FLT_DIVIDE_BY_ZERO:
+				return "floating-point division by zero";
+			case EXCEPTION_FLT_INEXACT_RESULT:
+				return "no decimal fraction representation for value";
+			case EXCEPTION_FLT_INVALID_OPERATION:
+				return "invalid floating-point operation";
+			case EXCEPTION_FLT_OVERFLOW:
+				return "floating-point overflow";
+			case EXCEPTION_FLT_STACK_CHECK:
+				return "floating-point stack corruption";
+			case EXCEPTION_FLT_UNDERFLOW:
+				return "floating-point underflow";
+			case EXCEPTION_ILLEGAL_INSTRUCTION:
+				return "illegal instruction";
+			case EXCEPTION_IN_PAGE_ERROR:
+				return "inaccessible page";
+			case EXCEPTION_INT_DIVIDE_BY_ZERO:
+				return "integer division by zero";
+			case EXCEPTION_INT_OVERFLOW:
+				return "integer overflow";
+			case EXCEPTION_INVALID_DISPOSITION:
+				return "documentation says this should never happen";
+			case EXCEPTION_NONCONTINUABLE_EXCEPTION:
+				return "can't continue after a noncontinuable exception";
+			case EXCEPTION_PRIV_INSTRUCTION:
+				return "attempted to execute a privileged instruction";
+			case EXCEPTION_SINGLE_STEP:
+				return "one instruction has been executed";
+			case EXCEPTION_STACK_OVERFLOW:
+				return "stack overflow";
+		}
+		return "unknown exception";
+	}
+
+	static void UExceptionFormat(std::FILE* fs, const char* fmt, ...) {
+		// write to file
+		va_list arg1;
+		va_start(arg1, fmt);
+		std::vfprintf(fs, fmt, arg1);
+		va_end(arg1);
+		// write to stdout
+		va_list arg2;
+		va_start(arg2, fmt);
+		std::vfprintf(stdout, fmt, arg2);
+		va_end(arg2);
+	}
+
+	static void UExceptionPrint(std::FILE* fs, const char* strl) {
+		// write to file
+		std::fputs(strl, fs);
+		// write to stdout
+		std::fputs(strl, stdout);
+	}
+
+	static void UExceptionBacktrace(FILE* fs, LPCONTEXT context, int maxdepth) {
+		// setup loading symbol options
+		SymSetOptions(SymGetOptions() | SYMOPT_DEFERRED_LOADS | SYMOPT_LOAD_LINES);	// lazy load symbol, and load line number.
+
+		// setup handle
+		HANDLE process = GetCurrentProcess();
+		HANDLE thread = GetCurrentThread();
+
+		// init symbol
+		if (!SymInitialize(process, 0, TRUE)) {
+			// fail to load. return
+			UExceptionPrint(fs, "Lost symbol file!\n");
+			return;
+		}
+
+		// ========== CORE DUMP ==========
+		// prepare frame. setup correct fields
+		DWORD machine_type = 0;
+		STACKFRAME64 frame;
+		memset(&frame, 0, sizeof(frame));
+#if defined(_M_IX86) || defined(__i386__)
+		machine_type = IMAGE_FILE_MACHINE_I386;
+		frame.AddrPC.Offset = context->Eip;
+		frame.AddrStack.Offset = context->Esp;
+		frame.AddrFrame.Offset = context->Ebp;
+#elif defined(_M_IX64) || defined(__amd64__)
+		machine_type = IMAGE_FILE_MACHINE_AMD64;
+		frame.AddrPC.Offset = context->Rip;
+		frame.AddrStack.Offset = context->Rsp;
+		frame.AddrFrame.Offset = context->Rbp;
+#else
+#error "Unsupported platform"
+		//IA-64 anybody?
+#endif
+		frame.AddrPC.Mode = AddrModeFlat;
+		frame.AddrStack.Mode = AddrModeFlat;
+		frame.AddrFrame.Mode = AddrModeFlat;
+
+		// other variables
+		char module_name_raw[MAX_PATH];
+
+		// stack walker
+		while (StackWalk64(machine_type, process, thread, &frame, context,
+			0, SymFunctionTableAccess64, SymGetModuleBase64, 0)) {
+
+			// depth breaker
+			--maxdepth;
+			if (maxdepth < 0) {
+				UExceptionPrint(fs, "...\n");		// indicate there are some frames not listed
+				break;
+			}
+
+			// get module name
+			DWORD64 module_base = SymGetModuleBase64(process, frame.AddrPC.Offset);
+			const char* module_name = "[unknown module]";
+			if (module_base && GetModuleFileNameA((HINSTANCE)module_base, module_name_raw, MAX_PATH)) {
+				module_name = module_name_raw;
+			}
+
+			// get source file and line
+			const char* source_file = "[unknow_source_file]";
+			DWORD64 source_file_line = 0;
+			DWORD dwDisplacement;
+			IMAGEHLP_LINE64 winline;
+			winline.SizeOfStruct = sizeof(IMAGEHLP_LINE64);
+			if (SymGetLineFromAddr64(process, frame.AddrPC.Offset, &dwDisplacement, &winline)) {
+				source_file = winline.FileName;
+				source_file_line = winline.LineNumber;
+			}
+
+			// write to file
+			UExceptionFormat(fs, "0x%016llx(rel: 0x%016llx)[%s]\t%s#%llu\n",
+				frame.AddrPC.Offset, frame.AddrPC.Offset - module_base, module_name,
+				source_file, source_file_line
+			);
+
+		}
+
+		// ========== END CORE DUMP ==========
+
+		// free symbol
+		SymCleanup(process);
+	}
+
+	static void UExceptionCoreDump(LPCWSTR filename, LPEXCEPTION_POINTERS info) {
+		// setup handle
+		HANDLE hProcess = GetCurrentProcess();
+		DWORD dwProcessId = GetCurrentProcessId();
+		DWORD dwThreadId = GetCurrentThreadId();
+		
+		// open file and write
+		if (hProcess != INVALID_HANDLE_VALUE) {
+			HANDLE hFile = CreateFileW(filename, GENERIC_WRITE, 0, NULL, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, NULL);
+			if (hFile != INVALID_HANDLE_VALUE) {
+				MINIDUMP_EXCEPTION_INFORMATION exception_info;
+				exception_info.ThreadId = dwThreadId;
+				exception_info.ExceptionPointers = info;
+				exception_info.ClientPointers = TRUE;
+				MiniDumpWriteDump(hProcess, dwProcessId, hFile, MiniDumpWithFullMemory, &exception_info, NULL, NULL);
+				CloseHandle(hFile);
+			}
+		}
+	}
+
+	static LONG WINAPI UExceptionImpl(LPEXCEPTION_POINTERS info) {
+		// detect loop calling
+		if (g_IsProcessing) {
+			goto end_proc;
+		}
+		// start process
+		g_IsProcessing = true;
+
+		{
+			// get main folder first
+			std::filesystem::path ironpad_path;
+			WCHAR module_path[MAX_PATH];
+			std::memset(module_path, 0, sizeof(module_path));
+			if (GetModuleFileNameW(NULL, module_path, MAX_PATH) == 0) {
+				goto failed;
+			}
+			ironpad_path = module_path;
+			ironpad_path = ironpad_path.parent_path();
+
+			// create 2 filename
+			auto logfilename = ironpad_path / "IronPad.log";
+			auto dmpfilename = ironpad_path / "IronPad.dmp";
+			std::fputc('\n', stdout);
+			std::fprintf(stdout, "Exception Log: %s\n", logfilename.string().c_str());
+			std::fprintf(stdout, "Exception Coredump: %s\n", dmpfilename.string().c_str());
+
+			// output log file
+			{
+				std::FILE* fs = _wfopen(logfilename.wstring().c_str(), L"w");
+				if (fs == nullptr) {
+					goto failed;
+				}
+
+				// record exception type first
+				PEXCEPTION_RECORD rec = info->ExceptionRecord;
+				fprintf(fs, "Unhandled exception occured at 0x%08p: %s (%lu).\n",
+					rec->ExceptionAddress,
+					UExceptionGetCodeName(rec->ExceptionCode),
+					rec->ExceptionCode
+				);
+
+				// special proc for 2 exceptions
+				if (rec->ExceptionCode == EXCEPTION_ACCESS_VIOLATION || rec->ExceptionCode == EXCEPTION_IN_PAGE_ERROR) {
+					if (rec->NumberParameters >= 2) {
+						const char* op =
+							rec->ExceptionInformation[0] == 0 ? "read" :
+							rec->ExceptionInformation[0] == 1 ? "written" : "executed";
+						fprintf(fs, "The data at memory address 0x%08x could not be %s.\n",
+							rec->ExceptionInformation[1], op);
+					}
+				}
+
+				// output stacktrace
+				UExceptionBacktrace(fs, info->ContextRecord, 1024);
+
+				std::fclose(fs);
+			}
+
+			// output minidump
+			{
+				UExceptionCoreDump(dmpfilename.wstring().c_str(), info);
+			}
+
+		}
+
+		// end process
+	failed:
+		g_IsProcessing = false;
+		// if backup proc can be run, run it
+		// otherwise directly return.
+	end_proc:
+		if (g_ProcBackup != nullptr) {
+			return g_ProcBackup(info);
+		} else {
+			return EXCEPTION_CONTINUE_SEARCH;
+		}
+	}
+
+#pragma endregion
+
+	void IronPadRegister() {
+		if (g_IsRegistered) return;
+		g_ProcBackup = SetUnhandledExceptionFilter(UExceptionImpl);
+		g_IsRegistered = true;
+	}
+
+	void IronPadUnregister() {
+		if (!g_IsRegistered) return;
+		SetUnhandledExceptionFilter(g_ProcBackup);
+		g_IsRegistered = false;
+	}
+
+#else
+
+	// blank implement
+
+	void IronPadRegister() {}
+	void IronPadUnregister() {}
+
+#endif
+
+	}
--- a/IronPad/IronPad.hpp
+++ b/IronPad/IronPad.hpp
@ -0,0 +1,26 @@
+#pragma once
+
+// only include VTUtils to get essential macro
+#include <VTUtils.hpp>
+
+#if defined(LIBCMO_BUILD_RELEASE) && defined(LIBCMO_OS_WIN32)
+#define IRONPAD_ENABLED 1
+#endif
+ 
+// Debug IronPad used. Force enable IronPad.
+#define IRONPAD_ENABLED 1
+
+namespace IronPad {
+
+	/**
+	 * @brief Register IronPad.
+	 * @detail This function frequently called at the start of program.
+	*/
+	void IronPadRegister();
+	/**
+	 * @brief Unregiister IronPad
+	 * @detail This function frequently called at the end of program.
+	*/
+	void IronPadUnregister();
+
+}
--- a/IronPad/IronPad.vcxproj
+++ b/IronPad/IronPad.vcxproj
@ -0,0 +1,186 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <ProjectConfiguration Include="Debug|Win32">
+      <Configuration>Debug</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|Win32">
+      <Configuration>Release</Configuration>
+      <Platform>Win32</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Debug|x64">
+      <Configuration>Debug</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+    <ProjectConfiguration Include="Release|x64">
+      <Configuration>Release</Configuration>
+      <Platform>x64</Platform>
+    </ProjectConfiguration>
+  </ItemGroup>
+  <PropertyGroup Label="Globals">
+    <VCProjectVersion>16.0</VCProjectVersion>
+    <Keyword>Win32Proj</Keyword>
+    <ProjectGuid>{a6454164-2153-45ae-bdb8-19c77014e0cc}</ProjectGuid>
+    <RootNamespace>IronPad</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
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+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
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+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
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+    <ConfigurationType>StaticLibrary</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v142</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
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+    <ConfigurationType>StaticLibrary</ConfigurationType>
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+    <PlatformToolset>v142</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
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+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
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+    <Import Project="..\LibRef.props" />
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+  <PropertyGroup Label="UserMacros" />
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+    <OutDir>$(SolutionDir)out\$(Platform)\$(Configuration)\$(ProjectName)\</OutDir>
+    <IntDir>$(SolutionDir)temp\$(Platform)\$(Configuration)\$(ProjectName)\</IntDir>
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+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <LinkIncremental>false</LinkIncremental>
+    <OutDir>$(SolutionDir)out\$(Platform)\$(Configuration)\$(ProjectName)\</OutDir>
+    <IntDir>$(SolutionDir)temp\$(Platform)\$(Configuration)\$(ProjectName)\</IntDir>
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+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <LinkIncremental>true</LinkIncremental>
+    <OutDir>$(SolutionDir)out\$(Platform)\$(Configuration)\$(ProjectName)\</OutDir>
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+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <LinkIncremental>false</LinkIncremental>
+    <OutDir>$(SolutionDir)out\$(Platform)\$(Configuration)\$(ProjectName)\</OutDir>
+    <IntDir>$(SolutionDir)temp\$(Platform)\$(Configuration)\$(ProjectName)\</IntDir>
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+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'">
+    <ClCompile>
+      <WarningLevel>Level4</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>LIBCMO_BUILD_DEBUG;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_DEPRECATE;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <AdditionalIncludeDirectories>$(ZLIB_PATH);../LibCmo;$(STB_PATH);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <LanguageStandard>stdcpp20</LanguageStandard>
+      <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalDependencies>%(AdditionalDependencies)</AdditionalDependencies>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
+    <ClCompile>
+      <WarningLevel>Level4</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>LIBCMO_BUILD_RELEASE;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_DEPRECATE;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <AdditionalIncludeDirectories>$(ZLIB_PATH);../LibCmo;$(STB_PATH);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <LanguageStandard>stdcpp20</LanguageStandard>
+      <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
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+      <AdditionalDependencies>%(AdditionalDependencies)</AdditionalDependencies>
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+      <PreprocessorDefinitions>LIBCMO_BUILD_DEBUG;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_DEPRECATE;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <AdditionalIncludeDirectories>$(ZLIB_PATH);../LibCmo;$(STB_PATH);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <LanguageStandard>stdcpp20</LanguageStandard>
+      <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
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+    <Link>
+      <SubSystem>Console</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
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+      <AdditionalDependencies>%(AdditionalDependencies)</AdditionalDependencies>
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+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level4</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>LIBCMO_BUILD_RELEASE;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_DEPRECATE;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+      <AdditionalIncludeDirectories>$(ZLIB_PATH);../LibCmo;$(STB_PATH);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <LanguageStandard>stdcpp20</LanguageStandard>
+      <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
+      <MultiProcessorCompilation>true</MultiProcessorCompilation>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalLibraryDirectories>
+      </AdditionalLibraryDirectories>
+      <AdditionalDependencies>%(AdditionalDependencies)</AdditionalDependencies>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClInclude Include="IronPad.hpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="IronPad.cpp" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>
--- a/IronPad/IronPad.vcxproj.filters
+++ b/IronPad/IronPad.vcxproj.filters
@ -0,0 +1,27 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Sources">
+      <UniqueIdentifier>{4FC737F1-C7A5-4376-A066-2A32D752A2FF}</UniqueIdentifier>
+      <Extensions>cpp;c;cc;cxx;c++;cppm;ixx;def;odl;idl;hpj;bat;asm;asmx</Extensions>
+    </Filter>
+    <Filter Include="Headers">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
+    </Filter>
+    <Filter Include="Resources">
+      <UniqueIdentifier>{67DA6AB6-F800-4c08-8B7A-83BB121AAD01}</UniqueIdentifier>
+      <Extensions>rc;ico;cur;bmp;dlg;rc2;rct;bin;rgs;gif;jpg;jpeg;jpe;resx;tiff;tif;png;wav;mfcribbon-ms</Extensions>
+    </Filter>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="IronPad.hpp">
+      <Filter>Headers</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ClCompile Include="IronPad.cpp">
+      <Filter>Sources</Filter>
+    </ClCompile>
+  </ItemGroup>
+</Project>
--- a/Unvirt/Unvirt.cpp
+++ b/Unvirt/Unvirt.cpp
@ -1,19 +1,16 @@
 #include "UnvirtContext.hpp"
+#include <IronPad.hpp>

 int main(int argc, char* argv[]) {

-	//LibCmo::CK2::CKMinContext vtctx;
-	//vtctx.SetTempPath("Temp");
-	//vtctx.SetEncoding("850");
+	// start iron pad
+	IronPad::IronPadRegister();
 	
-	//LibCmo::CK2::CKFile vtfile(&vtctx);
-	//LibCmo::CK2::CKFileDocument* doc;
-	//LibCmo::CK2::CKERROR err = vtfile.DeepLoad("Level_02.NMO", &doc);
-
-	//if (doc)
-	//	Unvirt::StructFormatter::PrintCKFileInfo(doc->m_FileInfo);
 	Unvirt::Context::UnvirtContext ctx;
 	ctx.Run();

+	// stop iron pad
+	IronPad::IronPadUnregister();
+
 	return 0;
 }
--- a/Unvirt/Unvirt.vcxproj
+++ b/Unvirt/Unvirt.vcxproj
@ -100,7 +100,7 @@
      <SDLCheck>true</SDLCheck>
      <PreprocessorDefinitions>LIBCMO_BUILD_DEBUG;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_DEPRECATE;WIN32;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>$(ZLIB_PATH);../LibCmo;$(STB_PATH);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ZLIB_PATH);../LibCmo;../IronPad;$(STB_PATH);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
      <LanguageStandard>stdcpp20</LanguageStandard>
      <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
      <MultiProcessorCompilation>true</MultiProcessorCompilation>
@ -108,8 +108,8 @@
    <Link>
      <SubSystem>Console</SubSystem>
      <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalDependencies>zlibwapi.lib;LibCmo.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(ZLIB_PATH)\contrib\vstudio\vc14\x86\ZlibDllReleaseWithoutAsm;$(SolutionDir)out\$(Platform)\$(Configuration)\LibCmo;$(FFMPEG_WIN32_LIB_PATH)</AdditionalLibraryDirectories>
+      <AdditionalDependencies>zlibwapi.lib;LibCmo.lib;IronPad.lib;Dbghelp.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories>$(ZLIB_PATH)\contrib\vstudio\vc14\x86\ZlibDllReleaseWithoutAsm;$(SolutionDir)out\$(Platform)\$(Configuration)\LibCmo;$(SolutionDir)out\$(Platform)\$(Configuration)\IronPad;</AdditionalLibraryDirectories>
    </Link>
  </ItemDefinitionGroup>
  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'">
@ -120,7 +120,7 @@
      <SDLCheck>true</SDLCheck>
      <PreprocessorDefinitions>LIBCMO_BUILD_RELEASE;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_DEPRECATE;WIN32;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>$(ZLIB_PATH);../LibCmo;$(STB_PATH);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ZLIB_PATH);../LibCmo;../IronPad;$(STB_PATH);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
      <LanguageStandard>stdcpp20</LanguageStandard>
      <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
      <MultiProcessorCompilation>true</MultiProcessorCompilation>
@ -130,8 +130,8 @@
      <EnableCOMDATFolding>true</EnableCOMDATFolding>
      <OptimizeReferences>true</OptimizeReferences>
      <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalDependencies>zlibwapi.lib;LibCmo.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(ZLIB_PATH)\contrib\vstudio\vc14\x86\ZlibDllReleaseWithoutAsm;$(SolutionDir)out\$(Platform)\$(Configuration)\LibCmo;$(FFMPEG_WIN32_LIB_PATH)</AdditionalLibraryDirectories>
+      <AdditionalDependencies>zlibwapi.lib;LibCmo.lib;IronPad.lib;Dbghelp.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories>$(ZLIB_PATH)\contrib\vstudio\vc14\x86\ZlibDllReleaseWithoutAsm;$(SolutionDir)out\$(Platform)\$(Configuration)\LibCmo;$(SolutionDir)out\$(Platform)\$(Configuration)\IronPad;</AdditionalLibraryDirectories>
    </Link>
  </ItemDefinitionGroup>
  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
@ -140,7 +140,7 @@
      <SDLCheck>true</SDLCheck>
      <PreprocessorDefinitions>LIBCMO_BUILD_DEBUG;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_DEPRECATE;_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>$(ZLIB_PATH);../LibCmo;$(STB_PATH);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ZLIB_PATH);../LibCmo;../IronPad;$(STB_PATH);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
      <LanguageStandard>stdcpp20</LanguageStandard>
      <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
      <MultiProcessorCompilation>true</MultiProcessorCompilation>
@ -148,8 +148,8 @@
    <Link>
      <SubSystem>Console</SubSystem>
      <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalDependencies>zlibwapi.lib;LibCmo.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(ZLIB_PATH)\contrib\vstudio\vc14\x64\ZlibDllReleaseWithoutAsm;$(SolutionDir)out\$(Platform)\$(Configuration)\LibCmo;$(FFMPEG_WIN64_LIB_PATH)</AdditionalLibraryDirectories>
+      <AdditionalDependencies>zlibwapi.lib;LibCmo.lib;IronPad.lib;Dbghelp.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories>$(ZLIB_PATH)\contrib\vstudio\vc14\x64\ZlibDllReleaseWithoutAsm;$(SolutionDir)out\$(Platform)\$(Configuration)\LibCmo;$(SolutionDir)out\$(Platform)\$(Configuration)\IronPad;</AdditionalLibraryDirectories>
    </Link>
  </ItemDefinitionGroup>
  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
@ -160,7 +160,7 @@
      <SDLCheck>true</SDLCheck>
      <PreprocessorDefinitions>LIBCMO_BUILD_RELEASE;_CRT_SECURE_NO_WARNINGS;_CRT_NONSTDC_NO_DEPRECATE;NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
      <ConformanceMode>true</ConformanceMode>
-      <AdditionalIncludeDirectories>$(ZLIB_PATH);../LibCmo;$(STB_PATH);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
+      <AdditionalIncludeDirectories>$(ZLIB_PATH);../LibCmo;../IronPad;$(STB_PATH);%(AdditionalIncludeDirectories)</AdditionalIncludeDirectories>
      <LanguageStandard>stdcpp20</LanguageStandard>
      <AdditionalOptions>/utf-8 %(AdditionalOptions)</AdditionalOptions>
      <MultiProcessorCompilation>true</MultiProcessorCompilation>
@ -170,8 +170,8 @@
      <EnableCOMDATFolding>true</EnableCOMDATFolding>
      <OptimizeReferences>true</OptimizeReferences>
      <GenerateDebugInformation>true</GenerateDebugInformation>
-      <AdditionalDependencies>zlibwapi.lib;LibCmo.lib;%(AdditionalDependencies)</AdditionalDependencies>
-      <AdditionalLibraryDirectories>$(ZLIB_PATH)\contrib\vstudio\vc14\x64\ZlibDllReleaseWithoutAsm;$(SolutionDir)out\$(Platform)\$(Configuration)\LibCmo;$(FFMPEG_WIN64_LIB_PATH)</AdditionalLibraryDirectories>
+      <AdditionalDependencies>zlibwapi.lib;LibCmo.lib;IronPad.lib;Dbghelp.lib;%(AdditionalDependencies)</AdditionalDependencies>
+      <AdditionalLibraryDirectories>$(ZLIB_PATH)\contrib\vstudio\vc14\x64\ZlibDllReleaseWithoutAsm;$(SolutionDir)out\$(Platform)\$(Configuration)\LibCmo;$(SolutionDir)out\$(Platform)\$(Configuration)\IronPad;</AdditionalLibraryDirectories>
    </Link>
  </ItemDefinitionGroup>
  <ItemGroup>
--- a/Unvirt/UnvirtContext.cpp
+++ b/Unvirt/UnvirtContext.cpp
@ -442,7 +442,8 @@ namespace Unvirt::Context {
 	void Unvirt::Context::UnvirtContext::ProcTest(const CmdHelper::ArgumentsMap* amap) {
 #if defined(LIBCMO_BUILD_DEBUG)
 		// MARK: Add the debug code here.
-
+		char p = 0;
+		char a = 1 / p;

 #else
 		PrintCommonError("Test command only available in Debug mode.");
--- a/libcmo21.sln
+++ b/libcmo21.sln
@ -6,6 +6,12 @@ MinimumVisualStudioVersion = 10.0.40219.1
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "LibCmo", "LibCmo\LibCmo.vcxproj", "{70F64F8D-099C-4C21-B29C-0A8F1E22FB2E}"
 EndProject
 Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "Unvirt", "Unvirt\Unvirt.vcxproj", "{77E7ADB6-0D0C-4BA4-8DE7-A284C7F83941}"
+	ProjectSection(ProjectDependencies) = postProject
+		{A6454164-2153-45AE-BDB8-19C77014E0CC} = {A6454164-2153-45AE-BDB8-19C77014E0CC}
+		{70F64F8D-099C-4C21-B29C-0A8F1E22FB2E} = {70F64F8D-099C-4C21-B29C-0A8F1E22FB2E}
+	EndProjectSection
+EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "IronPad", "IronPad\IronPad.vcxproj", "{A6454164-2153-45AE-BDB8-19C77014E0CC}"
 	ProjectSection(ProjectDependencies) = postProject
 		{70F64F8D-099C-4C21-B29C-0A8F1E22FB2E} = {70F64F8D-099C-4C21-B29C-0A8F1E22FB2E}
 	EndProjectSection
@ -34,6 +40,14 @@ Global
 		{77E7ADB6-0D0C-4BA4-8DE7-A284C7F83941}.Release|x64.Build.0 = Release|x64
 		{77E7ADB6-0D0C-4BA4-8DE7-A284C7F83941}.Release|x86.ActiveCfg = Release|Win32
 		{77E7ADB6-0D0C-4BA4-8DE7-A284C7F83941}.Release|x86.Build.0 = Release|Win32
+		{A6454164-2153-45AE-BDB8-19C77014E0CC}.Debug|x64.ActiveCfg = Debug|x64
+		{A6454164-2153-45AE-BDB8-19C77014E0CC}.Debug|x64.Build.0 = Debug|x64
+		{A6454164-2153-45AE-BDB8-19C77014E0CC}.Debug|x86.ActiveCfg = Debug|Win32
+		{A6454164-2153-45AE-BDB8-19C77014E0CC}.Debug|x86.Build.0 = Debug|Win32
+		{A6454164-2153-45AE-BDB8-19C77014E0CC}.Release|x64.ActiveCfg = Release|x64
+		{A6454164-2153-45AE-BDB8-19C77014E0CC}.Release|x64.Build.0 = Release|x64
+		{A6454164-2153-45AE-BDB8-19C77014E0CC}.Release|x86.ActiveCfg = Release|Win32
+		{A6454164-2153-45AE-BDB8-19C77014E0CC}.Release|x86.Build.0 = Release|Win32
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE