Allow unloading of user modules

src/xenia/kernel/objects/xuser_module.cc

@@ -24,7 +24,7 @@ using namespace xe::cpu;
 XUserModule::XUserModule(KernelState* kernel_state, const char* path)
     : XModule(kernel_state, ModuleType::kUserModule, path) {}
 
-XUserModule::~XUserModule() {}
+XUserModule::~XUserModule() { Unload(); }
 
 X_STATUS XUserModule::LoadFromFile(std::string path) {
   X_STATUS result = X_STATUS_UNSUCCESSFUL;
@@ -111,6 +111,15 @@ X_STATUS XUserModule::LoadFromMemory(const void* addr, const size_t length) {
   return X_STATUS_SUCCESS;
 }
 
+X_STATUS XUserModule::Unload() {
+  if (!xex_module()->Unload()) {
+    return X_STATUS_UNSUCCESSFUL;
+  }
+
+  OnUnload();
+  return X_STATUS_SUCCESS;
+}
+
 uint32_t XUserModule::GetProcAddressByOrdinal(uint16_t ordinal) {
   return xex_module()->GetProcAddress(ordinal);
 }