Wire thread startup frame to return to user-mode switch or system thread exit handler

xtoskrnl/ke/kthread.cc

@@ -23,6 +23,19 @@ KE::KThread::GetInitialThread(VOID)
     return &InitialThread;
 }
 
+/**
+ * Handles an unexpected system thread exit.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTAPI
+VOID
+KE::KThread::HandleSystemThreadExit(VOID)
+{
+}
+
 /**
  * Initializes an Idle Thread.
  *
@@ -369,3 +382,16 @@ KE::KThread::SuspendThread(IN PVOID NormalContext,
 {
     UNIMPLEMENTED;
 }
+
+/**
+ * Switches a new thread into User Mode.
+ *
+ * @return This routine does not return any value.
+ *
+ * @since XT 1.0
+ */
+XTAPI
+VOID
+KE::KThread::SwitchToUserMode(VOID)
+{
+}