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src/hotspot/share/runtime/sharedRuntime.cpp

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@@ -2871,10 +2871,26 @@
   // Lock and unlock a critical section to give the system a chance to block
   GCLocker::lock_critical(thread);
   GCLocker::unlock_critical(thread);
 JRT_END
 
+JRT_LEAF(oopDesc*, SharedRuntime::pin_object(JavaThread* thread, oopDesc* obj))
+  assert(Universe::heap()->supports_object_pinning(), "Why we here?");
+  assert(obj != NULL, "Should not be null");
+  oop o(obj);
+  o = Universe::heap()->pin_object(thread, o);
+  assert(o != NULL, "Should not be null");
+  return o;
+JRT_END
+
+JRT_LEAF(void, SharedRuntime::unpin_object(JavaThread* thread, oopDesc* obj))
+  assert(Universe::heap()->supports_object_pinning(), "Why we here?");
+  assert(obj != NULL, "Should not be null");
+  oop o(obj);
+  Universe::heap()->unpin_object(thread, o);
+JRT_END
+
 // -------------------------------------------------------------------------
 // Java-Java calling convention
 // (what you use when Java calls Java)
 
 //------------------------------name_for_receiver----------------------------------
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