--- old/src/hotspot/share/runtime/thread.hpp	2018-04-20 00:47:25.000000000 +0100
+++ new/src/hotspot/share/runtime/thread.hpp	2018-04-20 00:47:25.000000000 +0100
@@ -963,6 +963,10 @@
   volatile JNIAttachStates _jni_attach_state;
 
  public:
+
+  // Continuation support
+  oop _continuation;
+
   // State of the stack guard pages for this thread.
   enum StackGuardState {
     stack_guard_unused,         // not needed
@@ -1648,6 +1652,7 @@
   static ByteSize thread_state_offset()          { return byte_offset_of(JavaThread, _thread_state); }
   static ByteSize saved_exception_pc_offset()    { return byte_offset_of(JavaThread, _saved_exception_pc); }
   static ByteSize osthread_offset()              { return byte_offset_of(JavaThread, _osthread); }
+  static ByteSize continuation_offset()          { return byte_offset_of(JavaThread, _continuation); }
 #if INCLUDE_JVMCI
   static ByteSize pending_deoptimization_offset() { return byte_offset_of(JavaThread, _pending_deoptimization); }
   static ByteSize pending_monitorenter_offset()  { return byte_offset_of(JavaThread, _pending_monitorenter); }