--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/interpreter/BytecodeWithCPIndex.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,51 @@
+/*
+ * Copyright 2002-2003 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.interpreter;
+
+import sun.jvm.hotspot.oops.*;
+import sun.jvm.hotspot.runtime.*;
+
+// any bytecode with constant pool index
+
+public abstract class BytecodeWithCPIndex extends Bytecode {
+  BytecodeWithCPIndex(Method method, int bci) {
+    super(method, bci);
+  }
+
+  // the constant pool index for this bytecode
+  public int index() { return 0xFFFF & javaShortAt(1); }
+
+  protected int indexForFieldOrMethod() {
+     ConstantPoolCache cpCache = method().getConstants().getCache();
+     // get ConstantPool index from ConstantPoolCacheIndex at given bci
+     int cpCacheIndex = index();
+     if (cpCache == null) {
+        return cpCacheIndex;
+     } else {
+        // change byte-ordering and go via cache
+        return cpCache.getEntryAt((int) (0xFFFF & VM.getVM().getBytes().swapShort((short) cpCacheIndex))).getConstantPoolIndex();
+     }
+  }
+}