feat: add minidump writer

Dalamud.Boot/Dalamud.Boot.vcxproj

@@ -162,6 +162,7 @@
     <ClInclude Include="..\lib\TsudaKageyu-minhook\src\HDE\table32.h" />
     <ClInclude Include="..\lib\TsudaKageyu-minhook\src\HDE\table64.h" />
     <ClInclude Include="..\lib\TsudaKageyu-minhook\src\trampoline.h" />
+    <ClInclude Include="crashhandler_shared.h" />
     <ClInclude Include="DalamudStartInfo.h" />
     <ClInclude Include="hooks.h" />
     <ClInclude Include="logging.h" />
@@ -182,4 +183,4 @@
     <Delete Files="$(OutDir)$(TargetName).lib" />
     <Delete Files="$(OutDir)$(TargetName).exp" />
   </Target>
-</Project>
+</Project>

Dalamud.Boot/Dalamud.Boot.vcxproj.filters

@@ -139,6 +139,7 @@
       <Filter>MinHook</Filter>
     </ClInclude>
     <ClInclude Include="resource.h" />
+    <ClInclude Include="crashhandler_shared.h" />
   </ItemGroup>
   <ItemGroup>
     <ResourceCompile Include="Dalamud.Boot.rc" />
@@ -146,4 +147,4 @@
   <ItemGroup>
     <Image Include="dalamud.ico" />
   </ItemGroup>
-</Project>
+</Project>

Dalamud.Boot/crashhandler_shared.h

@@ -0,0 +1,15 @@
+#pragma once
+
+#include "windows.h"
+
+struct exception_info
+{
+    void* ExceptionPointers; // Cannot dereference!
+    DWORD ThreadId;
+    DWORD ProcessId;
+    BOOL DoFullDump;
+    wchar_t DumpPath[1000];
+};
+
+constexpr wchar_t SHARED_INFO_FILE_NAME[] = L"DalamudCrashInfoShare";
+constexpr wchar_t CRASHDUMP_EVENT_NAME[] = L"Global\\DalamudRequestWriteDump";

Dalamud.Boot/dllmain.cpp

@@ -136,7 +136,7 @@ DWORD WINAPI InitializeImpl(LPVOID lpParam, HANDLE hMainThreadContinue) {
     if (utils::is_running_on_linux()) {
         logging::I("=> VEH was disabled, running on linux");
     } else if (g_startInfo.BootVehEnabled) {
-        if (veh::add_handler(g_startInfo.BootVehFull))
+        if (veh::add_handler(g_startInfo.BootVehFull, g_startInfo.WorkingDirectory))
             logging::I("=> Done!");
         else
             logging::I("=> Failed!");

Dalamud.Boot/veh.cpp

@@ -9,6 +9,8 @@
 #include "logging.h"
 #include "utils.h"
 
+#include "crashhandler_shared.h"
+
 #pragma comment(lib, "comctl32.lib")
 
 #if defined _M_IX86
@@ -24,6 +26,9 @@
 PVOID g_veh_handle = nullptr;
 bool g_veh_do_full_dump = false;
 
+exception_info* g_crashhandler_shared_info;
+HANDLE g_crashhandler_event;
+
 bool is_whitelist_exception(const DWORD code)
 {
     switch (code)
@@ -292,14 +297,19 @@ LONG exception_handler(EXCEPTION_POINTERS* ex)
     ex_info.ClientPointers = false;
     ex_info.ExceptionPointers = ex;
     ex_info.ThreadId = GetCurrentThreadId();
-
-    auto miniDumpType = MiniDumpWithDataSegs;
-    if (g_veh_do_full_dump)
-        miniDumpType = MiniDumpWithFullMemory;
     
-    HANDLE file = CreateFileW(dmp_path.c_str(), GENERIC_WRITE, FILE_SHARE_WRITE, nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
+    if (g_crashhandler_shared_info && g_crashhandler_event)
-    //MiniDumpWriteDump(GetCurrentProcess(), GetCurrentProcessId(), file, miniDumpType, &ex_info, nullptr, nullptr);
+    {
-    CloseHandle(file);
+        memset(g_crashhandler_shared_info, 0, sizeof(exception_info));
+        
+        wcsncpy_s(g_crashhandler_shared_info->DumpPath, dmp_path.c_str(), 1000);
+        g_crashhandler_shared_info->ThreadId = GetThreadId(GetCurrentThread());
+        g_crashhandler_shared_info->ProcessId = GetCurrentProcessId();
+        g_crashhandler_shared_info->ExceptionPointers = ex;
+        g_crashhandler_shared_info->DoFullDump = g_veh_do_full_dump;
+
+        SetEvent(g_crashhandler_event);
+    }
     
     std::wstring message;
     void* fn;
@@ -384,7 +394,7 @@ LONG exception_handler(EXCEPTION_POINTERS* ex)
     return EXCEPTION_CONTINUE_SEARCH;
 }
 
-bool veh::add_handler(bool doFullDump)
+bool veh::add_handler(bool doFullDump, std::string workingDirectory)
 {
     if (g_veh_handle)
         return false;
@@ -393,6 +403,58 @@ bool veh::add_handler(bool doFullDump)
 
     g_veh_do_full_dump = doFullDump;
 
+    auto file_mapping = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, sizeof(exception_info), SHARED_INFO_FILE_NAME);
+    if (!file_mapping) {
+        std::cout << "Could not map info share file.\n";
+        g_crashhandler_shared_info = nullptr;
+    }
+    else
+    {
+        g_crashhandler_shared_info = (exception_info*)MapViewOfFile(file_mapping, FILE_MAP_ALL_ACCESS, 0, 0, sizeof(exception_info));
+        if (!g_crashhandler_shared_info) {
+            std::cout << "Could not map view of info share file.\n";
+        }
+    }
+
+    g_crashhandler_event = CreateEvent(
+        NULL,               // default security attributes
+        TRUE,               // manual-reset event
+        FALSE,              // initial state is nonsignaled
+        CRASHDUMP_EVENT_NAME  // object name
+    );
+
+    if (!g_crashhandler_event)
+    {
+        std::cout << "Couldn't acquire event handle\n";
+    }
+
+    auto handler_path = std::filesystem::path(workingDirectory) / "DalamudCrashHandler.exe";
+    
+    // additional information
+    STARTUPINFO si;     
+    PROCESS_INFORMATION pi;
+
+    // set the size of the structures
+    ZeroMemory( &si, sizeof(si) );
+    si.cb = sizeof(si);
+    ZeroMemory( &pi, sizeof(pi) );
+
+    CreateProcess( handler_path.c_str(),   // the path
+    NULL,        // Command line
+    NULL,           // Process handle not inheritable
+    NULL,           // Thread handle not inheritable
+    FALSE,          // Set handle inheritance to FALSE
+    0,              // No creation flags
+    NULL,           // Use parent's environment block
+    NULL,           // Use parent's starting directory 
+    &si,            // Pointer to STARTUPINFO structure
+    &pi             // Pointer to PROCESS_INFORMATION structure (removed extra parentheses)
+    );
+
+    // Close process and thread handles. 
+    CloseHandle( pi.hProcess );
+    CloseHandle( pi.hThread );
+
     return g_veh_handle != nullptr;
 }
 

Dalamud.Boot/veh.h

@@ -2,6 +2,6 @@
 
 namespace veh
 {
-    bool add_handler(bool doFullDump);
+    bool add_handler(bool doFullDump, std::string workingDirectory);
     bool remove_handler();
 }

Dalamud.sln

@@ -34,6 +34,8 @@ Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FFXIVClientStructs", "lib\F
 EndProject
 Project("{9A19103F-16F7-4668-BE54-9A1E7A4F7556}") = "FFXIVClientStructs.Generators", "lib\FFXIVClientStructs\FFXIVClientStructs.Generators\FFXIVClientStructs.Generators.csproj", "{05AB2F46-268B-4915-806F-DDF813E2D59D}"
 EndProject
+Project("{8BC9CEB8-8B4A-11D0-8D11-00A0C91BC942}") = "DalamudCrashHandler", "DalamudCrashHandler\DalamudCrashHandler.vcxproj", "{317A264C-920B-44A1-8A34-F3A6827B0705}"
+EndProject
 Global
 	GlobalSection(SolutionConfigurationPlatforms) = preSolution
 		Debug|Any CPU = Debug|Any CPU
@@ -186,6 +188,18 @@ Global
 		{05AB2F46-268B-4915-806F-DDF813E2D59D}.Release|x64.Build.0 = Release|Any CPU
 		{05AB2F46-268B-4915-806F-DDF813E2D59D}.Release|x86.ActiveCfg = Release|Any CPU
 		{05AB2F46-268B-4915-806F-DDF813E2D59D}.Release|x86.Build.0 = Release|Any CPU
+		{317A264C-920B-44A1-8A34-F3A6827B0705}.Debug|Any CPU.ActiveCfg = Debug|x64
+		{317A264C-920B-44A1-8A34-F3A6827B0705}.Debug|Any CPU.Build.0 = Debug|x64
+		{317A264C-920B-44A1-8A34-F3A6827B0705}.Debug|x64.ActiveCfg = Debug|x64
+		{317A264C-920B-44A1-8A34-F3A6827B0705}.Debug|x64.Build.0 = Debug|x64
+		{317A264C-920B-44A1-8A34-F3A6827B0705}.Debug|x86.ActiveCfg = Debug|Win32
+		{317A264C-920B-44A1-8A34-F3A6827B0705}.Debug|x86.Build.0 = Debug|Win32
+		{317A264C-920B-44A1-8A34-F3A6827B0705}.Release|Any CPU.ActiveCfg = Release|x64
+		{317A264C-920B-44A1-8A34-F3A6827B0705}.Release|Any CPU.Build.0 = Release|x64
+		{317A264C-920B-44A1-8A34-F3A6827B0705}.Release|x64.ActiveCfg = Release|x64
+		{317A264C-920B-44A1-8A34-F3A6827B0705}.Release|x64.Build.0 = Release|x64
+		{317A264C-920B-44A1-8A34-F3A6827B0705}.Release|x86.ActiveCfg = Release|Win32
+		{317A264C-920B-44A1-8A34-F3A6827B0705}.Release|x86.Build.0 = Release|Win32
 	EndGlobalSection
 	GlobalSection(SolutionProperties) = preSolution
 		HideSolutionNode = FALSE

DalamudCrashHandler/DalamudCrashHandler.cpp

@@ -0,0 +1,136 @@
+#include <iostream>
+#include <windows.h>
+#include <minidumpapiset.h>
+#include <tlhelp32.h>
+
+#include "../Dalamud.Boot/crashhandler_shared.h"
+
+DWORD WINAPI MyThreadFunction(LPVOID lpParam)
+{
+    while (true)
+    {
+        PROCESSENTRY32 entry;
+        entry.dwSize = sizeof(PROCESSENTRY32);
+
+        HANDLE snapshot = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, NULL);
+
+        if (Process32First(snapshot, &entry) == TRUE)
+        {
+            bool had_xiv = false;
+
+            while (Process32Next(snapshot, &entry) == TRUE)
+            {
+                // Exit if there's another crash handler
+                // TODO(goat): We should make this more robust and ensure that there is one per PID
+                if (_wcsicmp(entry.szExeFile, L"DalamudCrashHandler.exe") == 0 &&
+                    entry.th32ProcessID != GetCurrentProcessId())
+                {
+                    ExitProcess(0);
+                    break;
+                }
+
+                if (_wcsicmp(entry.szExeFile, L"ffxiv_dx11.exe") == 0)
+                {
+                    had_xiv = true;
+                }
+            }
+
+            if (!had_xiv)
+            {
+                ExitProcess(0);
+                break;
+            }
+        }
+
+        CloseHandle(snapshot);
+
+        Sleep(1000);
+    }
+}
+
+int main()
+{
+    CreateThread(
+        NULL,                   // default security attributes
+        0,                      // use default stack size  
+        MyThreadFunction,       // thread function name
+        NULL,          // argument to thread function 
+        0,                      // use default creation flags 
+        NULL);   // returns the thread identifier 
+
+    auto file_mapping = CreateFileMapping(INVALID_HANDLE_VALUE, NULL, PAGE_READWRITE, 0, sizeof(exception_info), SHARED_INFO_FILE_NAME);
+    if (!file_mapping) {
+        std::cout << "Could not map info share file.\n";
+        return -2;
+    }
+
+    auto file_ptr = MapViewOfFile(file_mapping, FILE_MAP_READ, 0, 0, sizeof(exception_info));
+    if (!file_ptr) {
+        std::cout << "Could not map view of info share file.\n";
+        return -3;
+    }
+
+    std::cout << "Waiting for crash...\n";
+
+    auto crash_event = CreateEvent(
+        NULL,               // default security attributes
+        TRUE,               // manual-reset event
+        FALSE,              // initial state is nonsignaled
+        CRASHDUMP_EVENT_NAME  // object name
+    );
+
+    if (!crash_event)
+    {
+        std::cout << "Couldn't acquire event handle\n";
+        return -1;
+    }
+
+    auto wait_result = WaitForSingleObject(crash_event, INFINITE);
+    std::cout << "Crash triggered, writing dump!\n";
+
+    auto info_share = (exception_info*)file_ptr;
+
+    if (!info_share->ExceptionPointers)
+    {
+        std::cout << "info_share->ExceptionPointers was nullptr\n";
+        return -4;
+    }
+
+    MINIDUMP_EXCEPTION_INFORMATION mdmp_info;
+    mdmp_info.ClientPointers = true;
+    mdmp_info.ExceptionPointers = (PEXCEPTION_POINTERS)info_share->ExceptionPointers;
+    mdmp_info.ThreadId = info_share->ThreadId;
+
+
+    std::cout << "Dump for " << info_share->ProcessId << std::endl;
+    HANDLE file = CreateFileW(info_share->DumpPath, GENERIC_WRITE, FILE_SHARE_WRITE, nullptr, CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
+    if (!file)
+    {
+        auto hr = GetLastError();
+        std::cout << "Failed to open dump file: " << std::hex << hr << std::endl;
+        return -6;
+    }
+
+    auto process = OpenProcess(PROCESS_VM_READ | PROCESS_VM_WRITE | PROCESS_QUERY_INFORMATION, FALSE, info_share->ProcessId);
+    if (!process)
+    {
+        auto hr = GetLastError();
+        std::cout << "Failed to open " << info_share->ProcessId << ": " << std::hex << hr << std::endl;
+        return -6;
+    }
+
+    auto success = MiniDumpWriteDump(process, info_share->ProcessId, file, MiniDumpWithFullMemory, &mdmp_info, NULL, NULL);
+    if (!success)
+    {
+        auto hr = GetLastError();
+        std::cout << "Failed: " << std::hex << hr << std::endl;
+    }
+
+    // TODO(goat): Technically, we should have another event or a semaphore to block xiv while dumping...
+
+    CloseHandle(file);
+    CloseHandle(process);
+    CloseHandle(file_mapping);
+
+    return 0;
+}

DalamudCrashHandler/DalamudCrashHandler.rc

@@ -0,0 +1,71 @@
+// Microsoft Visual C++ generated resource script.
+//
+#include "resource.h"
+
+#define APSTUDIO_READONLY_SYMBOLS
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 2 resource.
+//
+#include "winres.h"
+
+/////////////////////////////////////////////////////////////////////////////
+#undef APSTUDIO_READONLY_SYMBOLS
+
+/////////////////////////////////////////////////////////////////////////////
+// English (United Kingdom) resources
+
+#if !defined(AFX_RESOURCE_DLL) || defined(AFX_TARG_ENG)
+LANGUAGE LANG_ENGLISH, SUBLANG_ENGLISH_UK
+#pragma code_page(1252)
+
+#ifdef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// TEXTINCLUDE
+//
+
+1 TEXTINCLUDE 
+BEGIN
+    "resource.h\0"
+END
+
+2 TEXTINCLUDE 
+BEGIN
+    "#include ""winres.h""\r\n"
+    "\0"
+END
+
+3 TEXTINCLUDE 
+BEGIN
+    "\r\n"
+    "\0"
+END
+
+#endif    // APSTUDIO_INVOKED
+
+
+/////////////////////////////////////////////////////////////////////////////
+//
+// Icon
+//
+
+// Icon with lowest ID value placed first to ensure application icon
+// remains consistent on all systems.
+IDI_ICON1               ICON                    "dalamud.ico"
+
+#endif    // English (United Kingdom) resources
+/////////////////////////////////////////////////////////////////////////////
+
+
+
+#ifndef APSTUDIO_INVOKED
+/////////////////////////////////////////////////////////////////////////////
+//
+// Generated from the TEXTINCLUDE 3 resource.
+//
+
+
+/////////////////////////////////////////////////////////////////////////////
+#endif    // not APSTUDIO_INVOKED
+

DalamudCrashHandler/DalamudCrashHandler.vcxproj

@@ -0,0 +1,93 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project DefaultTargets="Build" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup Label="ProjectConfigurations">
+    <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>{317a264c-920b-44a1-8a34-f3a6827b0705}</ProjectGuid>
+    <RootNamespace>DalamudCrashHandler</RootNamespace>
+    <WindowsTargetPlatformVersion>10.0</WindowsTargetPlatformVersion>
+    <OutDir>..\bin\$(Configuration)\</OutDir>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>true</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
+    <ConfigurationType>Application</ConfigurationType>
+    <UseDebugLibraries>false</UseDebugLibraries>
+    <PlatformToolset>v143</PlatformToolset>
+    <WholeProgramOptimization>true</WholeProgramOptimization>
+    <CharacterSet>Unicode</CharacterSet>
+  </PropertyGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
+  <ImportGroup Label="ExtensionSettings">
+  </ImportGroup>
+  <ImportGroup Label="Shared">
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <ImportGroup Label="PropertySheets" Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
+  </ImportGroup>
+  <PropertyGroup Label="UserMacros" />
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>_DEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Windows</SubSystem>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+      <AdditionalDependencies>Dbghelp.lib;$(CoreLibraryDependencies);%(AdditionalDependencies)</AdditionalDependencies>
+      <EntryPointSymbol>mainCRTStartup</EntryPointSymbol>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemDefinitionGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'">
+    <ClCompile>
+      <WarningLevel>Level3</WarningLevel>
+      <FunctionLevelLinking>true</FunctionLevelLinking>
+      <IntrinsicFunctions>true</IntrinsicFunctions>
+      <SDLCheck>true</SDLCheck>
+      <PreprocessorDefinitions>NDEBUG;_CONSOLE;%(PreprocessorDefinitions)</PreprocessorDefinitions>
+      <ConformanceMode>true</ConformanceMode>
+    </ClCompile>
+    <Link>
+      <SubSystem>Console</SubSystem>
+      <EnableCOMDATFolding>true</EnableCOMDATFolding>
+      <OptimizeReferences>true</OptimizeReferences>
+      <GenerateDebugInformation>true</GenerateDebugInformation>
+    </Link>
+  </ItemDefinitionGroup>
+  <ItemGroup>
+    <ClCompile Include="DalamudCrashHandler.cpp" />
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\Dalamud.Boot\crashhandler_shared.h" />
+    <ClInclude Include="resource.h" />
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="DalamudCrashHandler.rc" />
+  </ItemGroup>
+  <ItemGroup>
+    <Image Include="dalamud.ico" />
+  </ItemGroup>
+  <Import Project="$(VCTargetsPath)\Microsoft.Cpp.targets" />
+  <ImportGroup Label="ExtensionTargets">
+  </ImportGroup>
+</Project>

DalamudCrashHandler/DalamudCrashHandler.vcxproj.filters

@@ -0,0 +1,40 @@
+<?xml version="1.0" encoding="utf-8"?>
+<Project ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
+  <ItemGroup>
+    <Filter Include="Source Files">
+      <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="Header Files">
+      <UniqueIdentifier>{93995380-89BD-4b04-88EB-625FBE52EBFB}</UniqueIdentifier>
+      <Extensions>h;hh;hpp;hxx;h++;hm;inl;inc;ipp;xsd</Extensions>
+    </Filter>
+    <Filter Include="Resource Files">
+      <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>
+    <ClCompile Include="DalamudCrashHandler.cpp">
+      <Filter>Source Files</Filter>
+    </ClCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <ClInclude Include="..\Dalamud.Boot\crashhandler_shared.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+    <ClInclude Include="resource.h">
+      <Filter>Header Files</Filter>
+    </ClInclude>
+  </ItemGroup>
+  <ItemGroup>
+    <ResourceCompile Include="DalamudCrashHandler.rc">
+      <Filter>Resource Files</Filter>
+    </ResourceCompile>
+  </ItemGroup>
+  <ItemGroup>
+    <Image Include="dalamud.ico">
+      <Filter>Resource Files</Filter>
+    </Image>
+  </ItemGroup>
+</Project>

DalamudCrashHandler/resource.h

@@ -0,0 +1,16 @@
+//{{NO_DEPENDENCIES}}
+// Microsoft Visual C++ generated include file.
+// Used by DalamudCrashHandler.rc
+//
+#define IDI_ICON1                       101
+
+// Next default values for new objects
+// 
+#ifdef APSTUDIO_INVOKED
+#ifndef APSTUDIO_READONLY_SYMBOLS
+#define _APS_NEXT_RESOURCE_VALUE        102
+#define _APS_NEXT_COMMAND_VALUE         40001
+#define _APS_NEXT_CONTROL_VALUE         1001
+#define _APS_NEXT_SYMED_VALUE           101
+#endif
+#endif

build/DalamudBuild.cs

@@ -31,6 +31,9 @@ public class DalamudBuild : NukeBuild
 
     AbsolutePath DalamudBootProjectDir => RootDirectory / "Dalamud.Boot";
     AbsolutePath DalamudBootProjectFile => DalamudBootProjectDir / "Dalamud.Boot.vcxproj";
+    
+    AbsolutePath DalamudCrashHandlerProjectDir => RootDirectory / "DalamudCrashHandler";
+    AbsolutePath DalamudCrashHandlerProjectFile => DalamudBootProjectDir / "DalamudCrashHandler.vcxproj";
 
     AbsolutePath InjectorProjectDir => RootDirectory / "Dalamud.Injector";
     AbsolutePath InjectorProjectFile => InjectorProjectDir / "Dalamud.Injector.csproj";
@@ -71,6 +74,14 @@ public class DalamudBuild : NukeBuild
                 .SetTargetPath(DalamudBootProjectFile)
                 .SetConfiguration(Configuration));
         });
+    
+    Target CompileDalamudCrashHandler => _ => _
+        .Executes(() =>
+        {
+            MSBuildTasks.MSBuild(s => s
+                                      .SetTargetPath(DalamudCrashHandlerProjectFile)
+                                      .SetConfiguration(Configuration));
+        });
 
     Target CompileInjector => _ => _
         .DependsOn(Restore)
@@ -117,6 +128,11 @@ public class DalamudBuild : NukeBuild
                 .SetProjectFile(DalamudBootProjectFile)
                 .SetConfiguration(Configuration)
                 .SetTargets("Clean"));
+            
+            MSBuildTasks.MSBuild(s => s
+                .SetProjectFile(DalamudCrashHandlerProjectFile)
+                .SetConfiguration(Configuration)
+                .SetTargets("Clean"));
 
             DotNetTasks.DotNetClean(s => s
                 .SetProject(InjectorProjectFile)