*** old/src/cpu/x86/vm/sharedRuntime_x86_64.cpp	Mon Jan 12 10:51:25 2009
--- new/src/cpu/x86/vm/sharedRuntime_x86_64.cpp	Mon Jan 12 10:51:24 2009

*** 2952,2965 ****
--- 2952,2971 ----
    __ movptr(rbx, Address(rsi, 0)); // Load frame size
    __ subptr(rbx, 2 * wordSize);    // We'll push pc and rbp by hand
    __ 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)
    __ decrementl(rdx);              // Decrement counter
    __ jcc(Assembler::notZero, loop);