hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/code/CompiledMethod.java
changeset 38133 78b95467b9f1
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/jdk.hotspot.agent/share/classes/sun/jvm/hotspot/code/CompiledMethod.java	Tue Apr 26 10:28:51 2016 +0200
@@ -0,0 +1,74 @@
+/*
+ * Copyright (c) 2016, 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.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package sun.jvm.hotspot.code;
+
+import java.util.*;
+
+import sun.jvm.hotspot.debugger.Address;
+import sun.jvm.hotspot.oops.*;
+import sun.jvm.hotspot.runtime.*;
+import sun.jvm.hotspot.types.*;
+import sun.jvm.hotspot.utilities.*;
+
+public abstract class CompiledMethod extends CodeBlob {
+  private static AddressField  methodField;
+  private static AddressField  deoptHandlerBeginField;
+  private static AddressField  deoptMhHandlerBeginField;
+  private static AddressField  scopesDataBeginField;
+
+  static {
+    VM.registerVMInitializedObserver(new Observer() {
+        public void update(Observable o, Object data) {
+          initialize(VM.getVM().getTypeDataBase());
+        }
+      });
+  }
+
+  private static void initialize(TypeDataBase db) {
+    Type type = db.lookupType("CompiledMethod");
+
+    methodField                 = type.getAddressField("_method");
+    deoptHandlerBeginField      = type.getAddressField("_deopt_handler_begin");
+    deoptMhHandlerBeginField    = type.getAddressField("_deopt_mh_handler_begin");
+    scopesDataBeginField        = type.getAddressField("_scopes_data_begin");
+  }
+
+  public CompiledMethod(Address addr) {
+    super(addr);
+  }
+
+  public Method getMethod() {
+    return (Method)Metadata.instantiateWrapperFor(methodField.getValue(addr));
+  }
+
+  public Address deoptHandlerBegin()    { return deoptHandlerBeginField.getValue(addr);              }
+  public Address deoptMhHandlerBegin()  { return deoptMhHandlerBeginField.getValue(addr);            }
+  public Address scopesDataBegin()      { return scopesDataBeginField.getValue(addr);                }
+
+  public static int getMethodOffset()                { return (int) methodField.getOffset();                }
+
+  @Override
+  public boolean isCompiled() {
+    return true;
+  }
+}