src/hotspot/share/prims/jvmtiImpl.hpp

rev 60137 : 8227745: Enable Escape Analysis for Better Performance in the Presence of JVMTI Agents
Reviewed-by: mdoerr, goetz

@@ -1,7 +1,7 @@
 /*
- * Copyright (c) 1999, 2019, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 1999, 2020, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
  * under the terms of the GNU General Public License version 2 only, as
  * published by the Free Software Foundation.

@@ -30,10 +30,11 @@
 #include "oops/objArrayOop.hpp"
 #include "prims/jvmtiEnvThreadState.hpp"
 #include "prims/jvmtiEventController.hpp"
 #include "prims/jvmtiTrace.hpp"
 #include "prims/jvmtiUtil.hpp"
+#include "runtime/deoptimization.hpp"
 #include "runtime/stackValueCollection.hpp"
 #include "runtime/vmOperations.hpp"
 #include "utilities/ostream.hpp"
 
 //

@@ -319,20 +320,23 @@
   BasicType   _type;
   jvalue      _value;
   javaVFrame* _jvf;
   bool        _set;
 
+  EscapeBarrier _eb;
+
   // It is possible to get the receiver out of a non-static native wrapper
   // frame.  Use VM_GetReceiver to do this.
   virtual bool getting_receiver() const { return false; }
 
   jvmtiError  _result;
 
   vframe* get_vframe();
   javaVFrame* get_java_vframe();
   bool check_slot_type_lvt(javaVFrame* vf);
   bool check_slot_type_no_lvt(javaVFrame* vf);
+  bool deoptimize_objects(javaVFrame* vf);
 
 public:
   // Constructor for non-object getter
   VM_GetOrSetLocal(JavaThread* thread, jint depth, jint index, BasicType type);