diff agent/src/share/classes/sun/jvm/hotspot/oops/CompiledICHolder.java @ 0:a61af66fc99e jdk7-b24

Initial load
author duke
date Sat, 01 Dec 2007 00:00:00 +0000
parents
children c18cbe5936b8
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/oops/CompiledICHolder.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,80 @@
+/*
+ * Copyright 2000-2001 Sun Microsystems, Inc.  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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
+ * CA 95054 USA or visit www.sun.com if you need additional information or
+ * have any questions.
+ *
+ */
+
+package sun.jvm.hotspot.oops;
+
+import java.io.*;
+import java.util.*;
+import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.runtime.*;
+import sun.jvm.hotspot.types.*;
+
+public class CompiledICHolder extends Oop {
+  static {
+    VM.registerVMInitializedObserver(new Observer() {
+        public void update(Observable o, Object data) {
+          initialize(VM.getVM().getTypeDataBase());
+        }
+      });
+  }
+
+  private static synchronized void initialize(TypeDataBase db) throws WrongTypeException {
+    Type type    = db.lookupType("compiledICHolderOopDesc");
+    holderMethod = new OopField(type.getOopField("_holder_method"), 0);
+    holderKlass  = new OopField(type.getOopField("_holder_klass"), 0);
+    headerSize   = type.getSize();
+  }
+
+  CompiledICHolder(OopHandle handle, ObjectHeap heap) {
+    super(handle, heap);
+  }
+
+  public boolean isCompiledICHolder()  { return true; }
+
+  private static long headerSize;
+
+  // Fields
+  private static OopField holderMethod;
+  private static OopField holderKlass;
+
+  // Accessors for declared fields
+  public Method getHolderMethod() { return (Method) holderMethod.getValue(this); }
+  public Klass  getHolderKlass()  { return (Klass)  holderKlass.getValue(this); }
+
+  public void printValueOn(PrintStream tty) {
+    tty.print("CompiledICHolder");
+  }
+
+  public long getObjectSize() {
+    return alignObjectSize(headerSize);
+  }
+
+  void iterateFields(OopVisitor visitor, boolean doVMFields) {
+    super.iterateFields(visitor, doVMFields);
+    if (doVMFields) {
+      visitor.doOop(holderMethod, true);
+      visitor.doOop(holderKlass, true);
+    }
+  }
+}