--- a/hotspot/src/cpu/x86/vm/sharedRuntime_x86_64.cpp	Fri Jan 09 14:39:07 2009 -0500
+++ b/hotspot/src/cpu/x86/vm/sharedRuntime_x86_64.cpp	Tue Jan 13 14:41:44 2009 -0500
@@ -2954,10 +2954,16 @@
   __ pushptr(Address(rcx, 0));     // Save return address
   __ enter();                      // Save old & set new rbp
   __ subptr(rsp, rbx);             // Prolog
+#ifdef CC_INTERP
+  __ movptr(Address(rbp,
+                  -(sizeof(BytecodeInterpreter)) + in_bytes(byte_offset_of(BytecodeInterpreter, _sender_sp))),
+            sender_sp); // Make it walkable
+#else // CC_INTERP
   __ movptr(Address(rbp, frame::interpreter_frame_sender_sp_offset * wordSize),
             sender_sp);            // Make it walkable
   // This value is corrected by layout_activation_impl
   __ movptr(Address(rbp, frame::interpreter_frame_last_sp_offset * wordSize), (int32_t)NULL_WORD );
+#endif // CC_INTERP
   __ mov(sender_sp, rsp);          // Pass sender_sp to next frame
   __ addptr(rsi, wordSize);        // Bump array pointer (sizes)
   __ addptr(rcx, wordSize);        // Bump array pointer (pcs)