Add support for using Server GC

Dalamud.Boot/DalamudStartInfo.cpp

@@ -108,6 +108,7 @@ void from_json(const nlohmann::json& json, DalamudStartInfo& config) {
     config.BootVehEnabled = json.value("BootVehEnabled", config.BootVehEnabled);
     config.BootVehFull = json.value("BootVehFull", config.BootVehFull);
     config.BootEnableEtw = json.value("BootEnableEtw", config.BootEnableEtw);
+    config.BootEnableGcServer = json.value("BootEnableGcServer", config.BootEnableGcServer);
     config.BootDotnetOpenProcessHookMode = json.value("BootDotnetOpenProcessHookMode", config.BootDotnetOpenProcessHookMode);
     if (const auto it = json.find("BootEnabledGameFixes"); it != json.end() && it->is_array()) {
         config.BootEnabledGameFixes.clear();
@@ -133,6 +134,7 @@ void DalamudStartInfo::from_envvars() {
     BootVehEnabled = utils::get_env<bool>(L"DALAMUD_IS_VEH");
     BootVehFull = utils::get_env<bool>(L"DALAMUD_IS_VEH_FULL");
     BootEnableEtw = utils::get_env<bool>(L"DALAMUD_ENABLE_ETW");
+    BootEnableGcServer = utils::get_env<bool>(L"DALAMUD_ENABLE_GCSERVER");
     BootDotnetOpenProcessHookMode = static_cast<DotNetOpenProcessHookMode>(utils::get_env<int>(L"DALAMUD_DOTNET_OPENPROCESS_HOOKMODE"));
     for (const auto& item : utils::get_env_list<std::string>(L"DALAMUD_GAMEFIX_LIST"))
         BootEnabledGameFixes.insert(unicode::convert<std::string>(item, &unicode::lower));

Dalamud.Boot/DalamudStartInfo.h

@@ -54,6 +54,7 @@ struct DalamudStartInfo {
     bool BootVehEnabled = false;
     bool BootVehFull = false;
     bool BootEnableEtw = false;
+    bool BootEnableGcServer = false;
     DotNetOpenProcessHookMode BootDotnetOpenProcessHookMode = DotNetOpenProcessHookMode::ImportHooks;
     std::set<std::string> BootEnabledGameFixes{};
     std::set<std::string> BootUnhookDlls{};

Dalamud.Boot/dllmain.cpp

@@ -117,6 +117,7 @@ HRESULT WINAPI InitializeImpl(LPVOID lpParam, HANDLE hMainThreadContinue) {
     const auto result = InitializeClrAndGetEntryPoint(
         g_hModule,
         g_startInfo.BootEnableEtw,
+        g_startInfo.BootEnableGcServer,
         runtimeconfig_path,
         module_path,
         L"Dalamud.EntryPoint, Dalamud",

Dalamud.Common/DalamudStartInfo.cs

@@ -124,6 +124,11 @@ public DalamudStartInfo()
     /// </summary>
     public bool BootEnableEtw { get; set; }
 
+    /// <summary>
+    /// Gets or sets a value indicating whether or not GC Server should be enabled.
+    /// </summary>
+    public bool BootEnableGcServer { get; set; }
+
     /// <summary>
     /// Gets or sets a value choosing the OpenProcess hookmode.
     /// </summary>

Dalamud.Injector.Boot/main.cpp

@@ -26,6 +26,7 @@ int wmain(int argc, wchar_t** argv)
     const auto result = InitializeClrAndGetEntryPoint(
         GetModuleHandleW(nullptr),
         false,
+        false,
         runtimeconfig_path,
         module_path,
         L"Dalamud.Injector.EntryPoint, Dalamud.Injector",

Dalamud.Injector/EntryPoint.cs

@@ -394,6 +394,7 @@ private static DalamudStartInfo ExtractAndInitializeStartInfoFromArguments(Dalam
             // Set boot defaults
             startInfo.BootShowConsole = args.Contains("--console");
             startInfo.BootEnableEtw = args.Contains("--etw");
+            startInfo.BootEnableGcServer = args.Contains("--gc-server");
             startInfo.BootLogPath = GetLogPath(startInfo.LogPath, "dalamud.boot", startInfo.LogName);
             startInfo.BootEnabledGameFixes = new()
             {

lib/CoreCLR/boot.cpp

@@ -30,6 +30,7 @@ std::optional<CoreCLR> g_clr;
 HRESULT InitializeClrAndGetEntryPoint(
     void* calling_module,
     bool enable_etw,
+    bool enable_gcServer,
     std::wstring runtimeconfig_path,
     std::wstring module_path,
     std::wstring entrypoint_assembly_name,
@@ -55,6 +56,7 @@ HRESULT InitializeClrAndGetEntryPoint(
     SetEnvironmentVariable(L"DOTNET_SYSTEM_NET_HTTP_SOCKETSHTTPHANDLER_HTTP3SUPPORT", L"0");
 
     SetEnvironmentVariable(L"COMPlus_ETWEnabled", enable_etw ? L"1" : L"0");
+    SetEnvironmentVariable(L"DOTNET_gcServer", enable_gcServer ? L"1" : L"0");
 
     wchar_t* dotnet_path;
     wchar_t* _appdata;

lib/CoreCLR/boot.h

@@ -4,6 +4,7 @@ void ConsoleTeardown();
 HRESULT InitializeClrAndGetEntryPoint(
     void* calling_module,
     bool enable_etw,
+    bool enable_gcServer,
     std::wstring runtimeconfig_path,
     std::wstring module_path,
     std::wstring entrypoint_assembly_name,