--- a/hotspot/src/share/vm/runtime/vm_operations.hpp	Thu Jan 27 13:42:28 2011 -0800
+++ b/hotspot/src/share/vm/runtime/vm_operations.hpp	Thu Jan 27 16:11:27 2011 -0800
@@ -50,6 +50,7 @@
   template(DeoptimizeFrame)                       \
   template(DeoptimizeAll)                         \
   template(ZombieAll)                             \
+  template(UnlinkSymbols)                         \
   template(HandleFullCodeCache)                   \
   template(Verify)                                \
   template(PrintJNI)                              \
@@ -288,6 +289,14 @@
 };
 #endif // PRODUCT
 
+class VM_UnlinkSymbols: public VM_Operation {
+ public:
+  VM_UnlinkSymbols() {}
+  VMOp_Type type() const                         { return VMOp_UnlinkSymbols; }
+  void doit();
+  bool allow_nested_vm_operations() const        { return true; }
+};
+
 class VM_Verify: public VM_Operation {
  private:
   KlassHandle _dependee;