yuzu: Use a debugger to generate minidumps

yuzu: Move mini_dump out of core startup_checks: Better exception handling
2022-07-10 11:29:10 -04:00
parent 3faa1c54b6
commit f958cbc737
18 changed files with 360 additions and 91 deletions
--- a/src/common/settings.h
+++ b/src/common/settings.h
@@ -529,6 +529,7 @@ struct Values {
    Setting<bool> use_debug_asserts{false, "use_debug_asserts"};
    Setting<bool> use_auto_stub{false, "use_auto_stub"};
    Setting<bool> enable_all_controllers{false, "enable_all_controllers"};
+    Setting<bool> create_crash_dumps{false, "create_crash_dumps"};

    // Miscellaneous
    Setting<std::string> log_filter{"*:Info", "log_filter"};
--- a/src/yuzu/CMakeLists.txt
+++ b/src/yuzu/CMakeLists.txt
@@ -208,6 +208,16 @@ add_executable(yuzu
    yuzu.rc
 )

+if (WIN32 AND NOT ("${DBGHELP_LIBRARY}" STREQUAL "DBGHELP_LIBRARY-NOTFOUND"))
+    target_sources(yuzu PRIVATE
+        mini_dump.cpp
+        mini_dump.h
+    )
+
+    target_link_libraries(yuzu PUBLIC ${DBGHELP_LIBRARY})
+    target_compile_definitions(yuzu PRIVATE -DYUZU_DBGHELP)
+endif()
+
 file(GLOB COMPAT_LIST
     ${PROJECT_BINARY_DIR}/dist/compatibility_list/compatibility_list.qrc
     ${PROJECT_BINARY_DIR}/dist/compatibility_list/compatibility_list.json)
--- a/src/yuzu/applets/qt_controller.cpp
+++ b/src/yuzu/applets/qt_controller.cpp
@@ -63,7 +63,7 @@ QtControllerSelectorDialog::QtControllerSelectorDialog(
    InputCommon::InputSubsystem* input_subsystem_, Core::System& system_)
    : QDialog(parent), ui(std::make_unique<Ui::QtControllerSelectorDialog>()),
      parameters(std::move(parameters_)), input_subsystem{input_subsystem_},
-      input_profiles(std::make_unique<InputProfiles>(system_)), system{system_} {
+      input_profiles(std::make_unique<InputProfiles>()), system{system_} {
    ui->setupUi(this);

    player_widgets = {
--- a/src/yuzu/configuration/config.cpp
+++ b/src/yuzu/configuration/config.cpp
@@ -15,8 +15,7 @@

 namespace FS = Common::FS;

-Config::Config(Core::System& system_, const std::string& config_name, ConfigType config_type)
-    : type(config_type), system{system_} {
+Config::Config(const std::string& config_name, ConfigType config_type) : type(config_type) {
    global = config_type == ConfigType::GlobalConfig;

    Initialize(config_name);
@@ -546,6 +545,7 @@ void Config::ReadDebuggingValues() {
    ReadBasicSetting(Settings::values.use_debug_asserts);
    ReadBasicSetting(Settings::values.use_auto_stub);
    ReadBasicSetting(Settings::values.enable_all_controllers);
+    ReadBasicSetting(Settings::values.create_crash_dumps);

    qt_config->endGroup();
 }
@@ -1160,6 +1160,7 @@ void Config::SaveDebuggingValues() {
    WriteBasicSetting(Settings::values.use_debug_asserts);
    WriteBasicSetting(Settings::values.disable_macro_jit);
    WriteBasicSetting(Settings::values.enable_all_controllers);
+    WriteBasicSetting(Settings::values.create_crash_dumps);

    qt_config->endGroup();
 }
@@ -1545,7 +1546,6 @@ void Config::Reload() {
    ReadValues();
    // To apply default value changes
    SaveValues();
-    system.ApplySettings();
 }

 void Config::Save() {
--- a/src/yuzu/configuration/config.h
+++ b/src/yuzu/configuration/config.h
@@ -25,7 +25,7 @@ public:
        InputProfile,
    };

-    explicit Config(Core::System& system_, const std::string& config_name = "qt-config",
+    explicit Config(const std::string& config_name = "qt-config",
                    ConfigType config_type = ConfigType::GlobalConfig);
    ~Config();

@@ -194,8 +194,6 @@ private:
    std::unique_ptr<QSettings> qt_config;
    std::string qt_config_loc;
    bool global;
-
-    Core::System& system;
 };

 // These metatype declarations cannot be in common/settings.h because core is devoid of QT
--- a/src/yuzu/configuration/configure_debug.cpp
+++ b/src/yuzu/configuration/configure_debug.cpp
@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later

 #include <QDesktopServices>
+#include <QMessageBox>
 #include <QUrl>
 #include "common/fs/path_util.h"
 #include "common/logging/backend.h"
@@ -26,6 +27,16 @@ ConfigureDebug::ConfigureDebug(const Core::System& system_, QWidget* parent)

    connect(ui->toggle_gdbstub, &QCheckBox::toggled,
            [&]() { ui->gdbport_spinbox->setEnabled(ui->toggle_gdbstub->isChecked()); });
+
+    connect(ui->create_crash_dumps, &QCheckBox::stateChanged, [&](int) {
+        if (crash_dump_warning_shown) {
+            return;
+        }
+        QMessageBox::warning(this, tr("Restart Required"),
+                             tr("yuzu is required to restart in order to apply this setting."),
+                             QMessageBox::Ok, QMessageBox::Ok);
+        crash_dump_warning_shown = true;
+    });
 }

 ConfigureDebug::~ConfigureDebug() = default;
@@ -71,7 +82,14 @@ void ConfigureDebug::SetConfiguration() {
    ui->disable_web_applet->setChecked(UISettings::values.disable_web_applet.GetValue());
 #else
    ui->disable_web_applet->setEnabled(false);
-    ui->disable_web_applet->setText(QString::fromUtf8("Web applet not compiled"));
+    ui->disable_web_applet->setText(tr("Web applet not compiled"));
+#endif
+
+#ifdef YUZU_DBGHELP
+    ui->create_crash_dumps->setChecked(Settings::values.create_crash_dumps.GetValue());
+#else
+    ui->create_crash_dumps->setEnabled(false);
+    ui->create_crash_dumps->setText(tr("MiniDump creation not compiled"));
 #endif
 }

@@ -84,6 +102,7 @@ void ConfigureDebug::ApplyConfiguration() {
    Settings::values.enable_fs_access_log = ui->fs_access_log->isChecked();
    Settings::values.reporting_services = ui->reporting_services->isChecked();
    Settings::values.dump_audio_commands = ui->dump_audio_commands->isChecked();
+    Settings::values.create_crash_dumps = ui->create_crash_dumps->isChecked();
    Settings::values.quest_flag = ui->quest_flag->isChecked();
    Settings::values.use_debug_asserts = ui->use_debug_asserts->isChecked();
    Settings::values.use_auto_stub = ui->use_auto_stub->isChecked();
--- a/src/yuzu/configuration/configure_debug.h
+++ b/src/yuzu/configuration/configure_debug.h
@@ -32,4 +32,6 @@ private:
    std::unique_ptr<Ui::ConfigureDebug> ui;

    const Core::System& system;
+
+    bool crash_dump_warning_shown{false};
 };
--- a/src/yuzu/configuration/configure_debug.ui
+++ b/src/yuzu/configuration/configure_debug.ui
@@ -7,60 +7,60 @@
  </property>
 <widget class="QWidget">
  <layout class="QVBoxLayout" name="verticalLayout_1">
-    <item>
-      <layout class="QVBoxLayout" name="verticalLayout_2">
-       <item>
-        <widget class="QGroupBox" name="groupBox">
-         <property name="title">
-          <string>Debugger</string>
-         </property>
-         <layout class="QVBoxLayout" name="verticalLayout_3">
+   <item>
+    <layout class="QVBoxLayout" name="verticalLayout_2">
+     <item>
+      <widget class="QGroupBox" name="groupBox">
+       <property name="title">
+        <string>Debugger</string>
+       </property>
+       <layout class="QVBoxLayout" name="verticalLayout_3">
+        <item>
+         <layout class="QHBoxLayout" name="horizontalLayout_11">
          <item>
-           <layout class="QHBoxLayout" name="horizontalLayout_11">
-            <item>
-             <widget class="QCheckBox" name="toggle_gdbstub">
-              <property name="text">
-               <string>Enable GDB Stub</string>
-              </property>
-             </widget>
-            </item>
-            <item>
-             <spacer name="horizontalSpacer">
-              <property name="orientation">
-               <enum>Qt::Horizontal</enum>
-              </property>
-              <property name="sizeHint" stdset="0">
-               <size>
-                <width>40</width>
-                <height>20</height>
-               </size>
-              </property>
-             </spacer>
-            </item>
-            <item>
-             <widget class="QLabel" name="label_11">
-              <property name="text">
-               <string>Port:</string>
-              </property>
-             </widget>
-            </item>
-            <item>
-             <widget class="QSpinBox" name="gdbport_spinbox">
-              <property name="minimum">
-                <number>1024</number>
-              </property>
-              <property name="maximum">
-               <number>65535</number>
-              </property>
-             </widget>
-            </item>
-           </layout>
+           <widget class="QCheckBox" name="toggle_gdbstub">
+            <property name="text">
+             <string>Enable GDB Stub</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <spacer name="horizontalSpacer">
+            <property name="orientation">
+             <enum>Qt::Horizontal</enum>
+            </property>
+            <property name="sizeHint" stdset="0">
+             <size>
+              <width>40</width>
+              <height>20</height>
+             </size>
+            </property>
+           </spacer>
+          </item>
+          <item>
+           <widget class="QLabel" name="label_11">
+            <property name="text">
+             <string>Port:</string>
+            </property>
+           </widget>
+          </item>
+          <item>
+           <widget class="QSpinBox" name="gdbport_spinbox">
+            <property name="minimum">
+             <number>1024</number>
+            </property>
+            <property name="maximum">
+             <number>65535</number>
+            </property>
+           </widget>
          </item>
         </layout>
-        </widget>
-       </item>
-      </layout>
+        </item>
+       </layout>
+      </widget>
     </item>
+    </layout>
+   </item>
   <item>
    <widget class="QGroupBox" name="groupBox_2">
     <property name="title">
@@ -231,6 +231,13 @@
      <string>Debugging</string>
     </property>
     <layout class="QGridLayout" name="gridLayout_3">
+      <item row="2" column="0">
+       <widget class="QCheckBox" name="reporting_services">
+        <property name="text">
+         <string>Enable Verbose Reporting Services**</string>
+        </property>
+       </widget>
+      </item>
      <item row="0" column="0">
       <widget class="QCheckBox" name="fs_access_log">
        <property name="text">
@@ -238,20 +245,20 @@
        </property>
       </widget>
      </item>
-      <item row="1" column="0">
+      <item row="0" column="1">
       <widget class="QCheckBox" name="dump_audio_commands">
-        <property name="text">
-         <string>Dump Audio Commands To Console**</string>
-        </property>
        <property name="toolTip">
         <string>Enable this to output the latest generated audio command list to the console. Only affects games using the audio renderer.</string>
        </property>
+        <property name="text">
+         <string>Dump Audio Commands To Console**</string>
+        </property>
       </widget>
      </item>
-      <item row="2" column="0">
-       <widget class="QCheckBox" name="reporting_services">
+      <item row="2" column="1">
+       <widget class="QCheckBox" name="create_crash_dumps">
        <property name="text">
-         <string>Enable Verbose Reporting Services**</string>
+         <string>Create Minidump After Crash</string>
        </property>
       </widget>
      </item>
@@ -340,7 +347,6 @@
  <tabstop>disable_loop_safety_checks</tabstop>
  <tabstop>fs_access_log</tabstop>
  <tabstop>reporting_services</tabstop>
-  <tabstop>dump_audio_commands</tabstop>
  <tabstop>quest_flag</tabstop>
  <tabstop>enable_cpu_debugging</tabstop>
  <tabstop>use_debug_asserts</tabstop>
--- a/src/yuzu/configuration/configure_input.cpp
+++ b/src/yuzu/configuration/configure_input.cpp
@@ -65,7 +65,7 @@ void OnDockedModeChanged(bool last_state, bool new_state, Core::System& system)

 ConfigureInput::ConfigureInput(Core::System& system_, QWidget* parent)
    : QWidget(parent), ui(std::make_unique<Ui::ConfigureInput>()),
-      profiles(std::make_unique<InputProfiles>(system_)), system{system_} {
+      profiles(std::make_unique<InputProfiles>()), system{system_} {
    ui->setupUi(this);
 }

--- a/src/yuzu/configuration/configure_per_game.cpp
+++ b/src/yuzu/configuration/configure_per_game.cpp
@@ -42,8 +42,7 @@ ConfigurePerGame::ConfigurePerGame(QWidget* parent, u64 title_id_, const std::st
    const auto file_path = std::filesystem::path(Common::FS::ToU8String(file_name));
    const auto config_file_name = title_id == 0 ? Common::FS::PathToUTF8String(file_path.filename())
                                                : fmt::format("{:016X}", title_id);
-    game_config =
-        std::make_unique<Config>(system, config_file_name, Config::ConfigType::PerGameConfig);
+    game_config = std::make_unique<Config>(config_file_name, Config::ConfigType::PerGameConfig);

    addons_tab = std::make_unique<ConfigurePerGameAddons>(system_, this);
    audio_tab = std::make_unique<ConfigureAudio>(system_, this);
--- a/src/yuzu/configuration/input_profiles.cpp
+++ b/src/yuzu/configuration/input_profiles.cpp
@@ -27,7 +27,7 @@ std::filesystem::path GetNameWithoutExtension(std::filesystem::path filename) {

 } // namespace

-InputProfiles::InputProfiles(Core::System& system_) : system{system_} {
+InputProfiles::InputProfiles() {
    const auto input_profile_loc = FS::GetYuzuPath(FS::YuzuPath::ConfigDir) / "input";

    if (!FS::IsDir(input_profile_loc)) {
@@ -43,8 +43,8 @@ InputProfiles::InputProfiles(Core::System& system_) : system{system_} {

            if (IsINI(filename) && IsProfileNameValid(name_without_ext)) {
                map_profiles.insert_or_assign(
-                    name_without_ext, std::make_unique<Config>(system, name_without_ext,
-                                                               Config::ConfigType::InputProfile));
+                    name_without_ext,
+                    std::make_unique<Config>(name_without_ext, Config::ConfigType::InputProfile));
            }

            return true;
@@ -80,8 +80,7 @@ bool InputProfiles::CreateProfile(const std::string& profile_name, std::size_t p
    }

    map_profiles.insert_or_assign(
-        profile_name,
-        std::make_unique<Config>(system, profile_name, Config::ConfigType::InputProfile));
+        profile_name, std::make_unique<Config>(profile_name, Config::ConfigType::InputProfile));

    return SaveProfile(profile_name, player_index);
 }
--- a/src/yuzu/configuration/input_profiles.h
+++ b/src/yuzu/configuration/input_profiles.h
@@ -15,7 +15,7 @@ class Config;
 class InputProfiles {

 public:
-    explicit InputProfiles(Core::System& system_);
+    explicit InputProfiles();
    virtual ~InputProfiles();

    std::vector<std::string> GetInputProfileNames();
@@ -31,6 +31,4 @@ private:
    bool ProfileExistsInMap(const std::string& profile_name) const;

    std::unordered_map<std::string, std::unique_ptr<Config>> map_profiles;
-
-    Core::System& system;
 };
--- a/src/yuzu/main.cpp
+++ b/src/yuzu/main.cpp
@@ -138,6 +138,10 @@ static FileSys::VirtualFile VfsDirectoryCreateFileWrapper(const FileSys::Virtual
 #include "yuzu/uisettings.h"
 #include "yuzu/util/clickable_label.h"

+#ifdef YUZU_DBGHELP
+#include "yuzu/mini_dump.h"
+#endif
+
 using namespace Common::Literals;

 #ifdef USE_DISCORD_PRESENCE
@@ -269,10 +273,9 @@ bool GMainWindow::CheckDarkMode() {
 #endif // __linux__
 }

-GMainWindow::GMainWindow(bool has_broken_vulkan)
+GMainWindow::GMainWindow(std::unique_ptr<Config> config_, bool has_broken_vulkan)
    : ui{std::make_unique<Ui::MainWindow>()}, system{std::make_unique<Core::System>()},
-      input_subsystem{std::make_shared<InputCommon::InputSubsystem>()},
-      config{std::make_unique<Config>(*system)},
+      input_subsystem{std::make_shared<InputCommon::InputSubsystem>()}, config{std::move(config_)},
      vfs{std::make_shared<FileSys::RealVfsFilesystem>()},
      provider{std::make_unique<FileSys::ManualContentProvider>()} {
 #ifdef __linux__
@@ -1637,7 +1640,8 @@ void GMainWindow::BootGame(const QString& filename, u64 program_id, std::size_t
        const auto config_file_name = title_id == 0
                                          ? Common::FS::PathToUTF8String(file_path.filename())
                                          : fmt::format("{:016X}", title_id);
-        Config per_game_config(*system, config_file_name, Config::ConfigType::PerGameConfig);
+        Config per_game_config(config_file_name, Config::ConfigType::PerGameConfig);
+        system->ApplySettings();
    }

    // Save configurations
@@ -2981,7 +2985,7 @@ void GMainWindow::OnConfigure() {

        Settings::values.disabled_addons.clear();

-        config = std::make_unique<Config>(*system);
+        config = std::make_unique<Config>();
        UISettings::values.reset_to_defaults = false;

        UISettings::values.game_dirs = std::move(old_game_dirs);
@@ -3042,6 +3046,7 @@ void GMainWindow::OnConfigure() {

    UpdateStatusButtons();
    controller_dialog->refreshConfiguration();
+    system->ApplySettings();
 }

 void GMainWindow::OnConfigureTas() {
@@ -4082,7 +4087,22 @@ void GMainWindow::changeEvent(QEvent* event) {
 #endif

 int main(int argc, char* argv[]) {
+    std::unique_ptr<Config> config = std::make_unique<Config>();
    bool has_broken_vulkan = false;
+    bool is_child = false;
+    if (CheckEnvVars(&is_child)) {
+        return 0;
+    }
+
+#ifdef YUZU_DBGHELP
+    PROCESS_INFORMATION pi;
+    if (!is_child && Settings::values.create_crash_dumps.GetValue() && SpawnDebuggee(argv[0], pi)) {
+        config.reset(nullptr);
+        DebugDebuggee(pi);
+        return 0;
+    }
+#endif
+
    if (StartupChecks(argv[0], &has_broken_vulkan)) {
        return 0;
    }
@@ -4135,7 +4155,7 @@ int main(int argc, char* argv[]) {
    // generating shaders
    setlocale(LC_ALL, "C");

-    GMainWindow main_window{has_broken_vulkan};
+    GMainWindow main_window{std::move(config), has_broken_vulkan};
    // After settings have been loaded by GMainWindow, apply the filter
    main_window.show();

--- a/src/yuzu/main.h
+++ b/src/yuzu/main.h
@@ -120,7 +120,7 @@ class GMainWindow : public QMainWindow {
 public:
    void filterBarSetChecked(bool state);
    void UpdateUITheme();
-    explicit GMainWindow(bool has_broken_vulkan);
+    explicit GMainWindow(std::unique_ptr<Config> config_, bool has_broken_vulkan);
    ~GMainWindow() override;

    bool DropAction(QDropEvent* event);
--- a/src/yuzu/mini_dump.cpp
+++ b/src/yuzu/mini_dump.cpp
@@ -0,0 +1,185 @@
+#include <cstdio>
+#include <ctime>
+#include <filesystem>
+#include <windows.h>
+#include "common/logging/log.h"
+#include "yuzu/mini_dump.h"
+#include "yuzu/startup_checks.h"
+
+// dbghelp.h must be included after windows.h
+#include <dbghelp.h>
+
+void CreateMiniDump(HANDLE process_handle, DWORD process_id, MINIDUMP_EXCEPTION_INFORMATION* info,
+                    EXCEPTION_POINTERS* pep) {
+    LOG_INFO(Core, "called");
+
+    char file_name[255];
+    const std::time_t the_time = std::time(nullptr);
+    std::strftime(file_name, 255, "yuzu-crash-%Y%m%d%H%M%S.dmp", std::localtime(&the_time));
+
+    // Open the file
+    HANDLE file_handle = CreateFile(file_name, GENERIC_READ | GENERIC_WRITE, 0, nullptr,
+                                    CREATE_ALWAYS, FILE_ATTRIBUTE_NORMAL, nullptr);
+
+    if ((file_handle != nullptr) && (file_handle != INVALID_HANDLE_VALUE)) {
+        // Create the minidump
+        const MINIDUMP_TYPE dump_type = MiniDumpNormal;
+
+        const bool write_dump_status = MiniDumpWriteDump(process_handle, process_id, file_handle,
+                                                         dump_type, (pep != 0) ? info : 0, 0, 0);
+
+        if (!write_dump_status) {
+            LOG_ERROR(Core, "MiniDumpWriteDump failed. Error: {}", GetLastError());
+        } else {
+            LOG_INFO(Core, "Minidump created.");
+        }
+
+        // Close the file
+        CloseHandle(file_handle);
+
+    } else {
+        LOG_ERROR(Core, "CreateFile failed. Error: {}", GetLastError());
+    }
+}
+
+bool SpawnDebuggee(const char* arg0, PROCESS_INFORMATION& pi) {
+    std::memset(&pi, 0, sizeof(pi));
+
+    if (!SpawnChild(arg0, &pi, 0)) {
+        std::fprintf(stderr, "warning: continuing without crash dumps\n");
+        return false;
+    }
+
+    // Don't debug if we are already being debugged
+    if (IsDebuggerPresent()) {
+        return false;
+    }
+
+    const bool can_debug = DebugActiveProcess(pi.dwProcessId);
+    if (!can_debug) {
+        std::fprintf(stderr,
+                     "warning: DebugActiveProcess failed (%d), continuing without crash dumps\n",
+                     GetLastError());
+        return false;
+    }
+
+    return true;
+}
+
+void DebugDebuggee(PROCESS_INFORMATION& pi) {
+    DEBUG_EVENT deb_ev;
+
+    while (deb_ev.dwDebugEventCode != EXIT_PROCESS_DEBUG_EVENT) {
+        const bool wait_success = WaitForDebugEvent(&deb_ev, INFINITE);
+        if (!wait_success) {
+            std::fprintf(stderr, "error: WaitForDebugEvent failed (%d)\n", GetLastError());
+            return;
+        }
+
+        switch (deb_ev.dwDebugEventCode) {
+        case OUTPUT_DEBUG_STRING_EVENT:
+        case CREATE_PROCESS_DEBUG_EVENT:
+        case CREATE_THREAD_DEBUG_EVENT:
+        case EXIT_PROCESS_DEBUG_EVENT:
+        case EXIT_THREAD_DEBUG_EVENT:
+        case LOAD_DLL_DEBUG_EVENT:
+        case RIP_EVENT:
+        case UNLOAD_DLL_DEBUG_EVENT:
+            ContinueDebugEvent(deb_ev.dwProcessId, deb_ev.dwThreadId, DBG_CONTINUE);
+            break;
+        case EXCEPTION_DEBUG_EVENT:
+            EXCEPTION_RECORD& record = deb_ev.u.Exception.ExceptionRecord;
+
+            std::fprintf(stderr, "ExceptionCode: 0x%08x %s\n", record.ExceptionCode,
+                         ExceptionName(record.ExceptionCode));
+            if (!deb_ev.u.Exception.dwFirstChance) {
+                HANDLE thread_handle = OpenThread(THREAD_ALL_ACCESS, false, deb_ev.dwThreadId);
+                if (thread_handle == nullptr) {
+                    std::fprintf(stderr, "OpenThread failed (%d)\n", GetLastError());
+                }
+                if (SuspendThread(thread_handle) == (DWORD)-1) {
+                    std::fprintf(stderr, "SuspendThread failed (%d)\n", GetLastError());
+                }
+
+                CONTEXT context;
+                std::memset(&context, 0, sizeof(context));
+                context.ContextFlags = CONTEXT_ALL;
+                if (!GetThreadContext(thread_handle, &context)) {
+                    std::fprintf(stderr, "GetThreadContext failed (%d)\n", GetLastError());
+                    break;
+                }
+
+                EXCEPTION_POINTERS ep;
+                ep.ExceptionRecord = &record;
+                ep.ContextRecord = &context;
+
+                MINIDUMP_EXCEPTION_INFORMATION info;
+                info.ThreadId = deb_ev.dwThreadId;
+                info.ExceptionPointers = &ep;
+                info.ClientPointers = false;
+
+                CreateMiniDump(pi.hProcess, pi.dwProcessId, &info, &ep);
+
+                std::fprintf(stderr, "previous thread suspend count: %d\n",
+                             ResumeThread(thread_handle));
+                if (CloseHandle(thread_handle) == 0) {
+                    std::fprintf(stderr, "error: CloseHandle(thread_handle) failed (%d)\n",
+                                 GetLastError());
+                }
+            }
+            ContinueDebugEvent(deb_ev.dwProcessId, deb_ev.dwThreadId, DBG_EXCEPTION_NOT_HANDLED);
+            break;
+        }
+    }
+}
+
+const char* ExceptionName(DWORD exception) {
+    switch (exception) {
+    case EXCEPTION_ACCESS_VIOLATION:
+        return "EXCEPTION_ACCESS_VIOLATION";
+    case EXCEPTION_DATATYPE_MISALIGNMENT:
+        return "EXCEPTION_DATATYPE_MISALIGNMENT";
+    case EXCEPTION_BREAKPOINT:
+        return "EXCEPTION_BREAKPOINT";
+    case EXCEPTION_SINGLE_STEP:
+        return "EXCEPTION_SINGLE_STEP";
+    case EXCEPTION_ARRAY_BOUNDS_EXCEEDED:
+        return "EXCEPTION_ARRAY_BOUNDS_EXCEEDED";
+    case EXCEPTION_FLT_DENORMAL_OPERAND:
+        return "EXCEPTION_FLT_DENORMAL_OPERAND";
+    case EXCEPTION_FLT_DIVIDE_BY_ZERO:
+        return "EXCEPTION_FLT_DIVIDE_BY_ZERO";
+    case EXCEPTION_FLT_INEXACT_RESULT:
+        return "EXCEPTION_FLT_INEXACT_RESULT";
+    case EXCEPTION_FLT_INVALID_OPERATION:
+        return "EXCEPTION_FLT_INVALID_OPERATION";
+    case EXCEPTION_FLT_OVERFLOW:
+        return "EXCEPTION_FLT_OVERFLOW";
+    case EXCEPTION_FLT_STACK_CHECK:
+        return "EXCEPTION_FLT_STACK_CHECK";
+    case EXCEPTION_FLT_UNDERFLOW:
+        return "EXCEPTION_FLT_UNDERFLOW";
+    case EXCEPTION_INT_DIVIDE_BY_ZERO:
+        return "EXCEPTION_INT_DIVIDE_BY_ZERO";
+    case EXCEPTION_INT_OVERFLOW:
+        return "EXCEPTION_INT_OVERFLOW";
+    case EXCEPTION_PRIV_INSTRUCTION:
+        return "EXCEPTION_PRIV_INSTRUCTION";
+    case EXCEPTION_IN_PAGE_ERROR:
+        return "EXCEPTION_IN_PAGE_ERROR";
+    case EXCEPTION_ILLEGAL_INSTRUCTION:
+        return "EXCEPTION_ILLEGAL_INSTRUCTION";
+    case EXCEPTION_NONCONTINUABLE_EXCEPTION:
+        return "EXCEPTION_NONCONTINUABLE_EXCEPTION";
+    case EXCEPTION_STACK_OVERFLOW:
+        return "EXCEPTION_STACK_OVERFLOW";
+    case EXCEPTION_INVALID_DISPOSITION:
+        return "EXCEPTION_INVALID_DISPOSITION";
+    case EXCEPTION_GUARD_PAGE:
+        return "EXCEPTION_GUARD_PAGE";
+    case EXCEPTION_INVALID_HANDLE:
+        return "EXCEPTION_INVALID_HANDLE";
+    default:
+        return nullptr;
+    }
+}
--- a/src/yuzu/mini_dump.h
+++ b/src/yuzu/mini_dump.h
@@ -0,0 +1,12 @@
+#pragma once
+
+#include <windows.h>
+
+#include <dbghelp.h>
+
+void CreateMiniDump(HANDLE process_handle, DWORD process_id, MINIDUMP_EXCEPTION_INFORMATION* info,
+                    EXCEPTION_POINTERS* pep);
+
+bool SpawnDebuggee(const char* arg0, PROCESS_INFORMATION& pi);
+void DebugDebuggee(PROCESS_INFORMATION& pi);
+const char* ExceptionName(DWORD exception);
--- a/src/yuzu/startup_checks.cpp
+++ b/src/yuzu/startup_checks.cpp
@@ -31,19 +31,36 @@ void CheckVulkan() {
    }
 }

-bool StartupChecks(const char* arg0, bool* has_broken_vulkan) {
+bool CheckEnvVars(bool* is_child) {
 #ifdef _WIN32
    // Check environment variable to see if we are the child
    char variable_contents[8];
    const DWORD startup_check_var =
        GetEnvironmentVariableA(STARTUP_CHECK_ENV_VAR, variable_contents, 8);
-    if (startup_check_var > 0 && std::strncmp(variable_contents, "ON", 8) == 0) {
+    if (startup_check_var > 0 && std::strncmp(variable_contents, ENV_VAR_ENABLED_TEXT, 8) == 0) {
        CheckVulkan();
        return true;
    }

+    // Don't perform startup checks if we are a child process
+    char is_child_s[8];
+    const DWORD is_child_len = GetEnvironmentVariableA(IS_CHILD_ENV_VAR, is_child_s, 8);
+    if (is_child_len > 0 && std::strncmp(is_child_s, ENV_VAR_ENABLED_TEXT, 8) == 0) {
+        *is_child = true;
+        return false;
+    } else if (!SetEnvironmentVariableA(IS_CHILD_ENV_VAR, ENV_VAR_ENABLED_TEXT)) {
+        std::fprintf(stderr, "SetEnvironmentVariableA failed to set %s with error %d\n",
+                     IS_CHILD_ENV_VAR, GetLastError());
+        return true;
+    }
+#endif
+    return false;
+}
+
+bool StartupChecks(const char* arg0, bool* has_broken_vulkan) {
+#ifdef _WIN32
    // Set the startup variable for child processes
-    const bool env_var_set = SetEnvironmentVariableA(STARTUP_CHECK_ENV_VAR, "ON");
+    const bool env_var_set = SetEnvironmentVariableA(STARTUP_CHECK_ENV_VAR, ENV_VAR_ENABLED_TEXT);
    if (!env_var_set) {
        std::fprintf(stderr, "SetEnvironmentVariableA failed to set %s with error %d\n",
                     STARTUP_CHECK_ENV_VAR, GetLastError());
@@ -53,7 +70,7 @@ bool StartupChecks(const char* arg0, bool* has_broken_vulkan) {
    PROCESS_INFORMATION process_info;
    std::memset(&process_info, '\0', sizeof(process_info));

-    if (!SpawnChild(arg0, &process_info)) {
+    if (!SpawnChild(arg0, &process_info, 0)) {
        return false;
    }

@@ -106,7 +123,7 @@ bool StartupChecks(const char* arg0, bool* has_broken_vulkan) {
 }

 #ifdef _WIN32
-bool SpawnChild(const char* arg0, PROCESS_INFORMATION* pi) {
+bool SpawnChild(const char* arg0, PROCESS_INFORMATION* pi, int flags) {
    STARTUPINFOA startup_info;

    std::memset(&startup_info, '\0', sizeof(startup_info));
@@ -120,7 +137,7 @@ bool SpawnChild(const char* arg0, PROCESS_INFORMATION* pi) {
                                                nullptr,       // lpProcessAttributes
                                                nullptr,       // lpThreadAttributes
                                                false,         // bInheritHandles
-                                                0,             // dwCreationFlags
+                                                flags,         // dwCreationFlags
                                                nullptr,       // lpEnvironment
                                                nullptr,       // lpCurrentDirectory
                                                &startup_info, // lpStartupInfo
--- a/src/yuzu/startup_checks.h
+++ b/src/yuzu/startup_checks.h
@@ -7,11 +7,14 @@
 #include <windows.h>
 #endif

+constexpr char IS_CHILD_ENV_VAR[] = "YUZU_IS_CHILD";
 constexpr char STARTUP_CHECK_ENV_VAR[] = "YUZU_DO_STARTUP_CHECKS";
+constexpr char ENV_VAR_ENABLED_TEXT[] = "ON";

 void CheckVulkan();
+bool CheckEnvVars(bool* is_child);
 bool StartupChecks(const char* arg0, bool* has_broken_vulkan);

 #ifdef _WIN32
-bool SpawnChild(const char* arg0, PROCESS_INFORMATION* pi);
+bool SpawnChild(const char* arg0, PROCESS_INFORMATION* pi, int flags);
 #endif