--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/runtime/Bytes.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,64 @@
+/*
+ * Copyright 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.runtime;
+
+import sun.jvm.hotspot.debugger.*;
+
+/** Encapsulates some byte-swapping operations defined in the VM */
+
+public class Bytes {
+  private boolean swap;
+
+  public Bytes(MachineDescription machDesc) {
+    swap = !machDesc.isBigEndian();
+  }
+
+  /** Should only swap if the hardware's underlying byte order is
+      different from Java's */
+  public short swapShort(short x) {
+    if (!swap)
+      return x;
+
+    return (short) (((x >> 8) & 0xFF) | (x << 8));
+  }
+
+  /** Should only swap if the hardware's underlying byte order is
+      different from Java's */
+  public int swapInt(int x) {
+    if (!swap)
+      return x;
+
+    return (swapShort((short) x) << 16) | (swapShort((short) (x >> 16)) & 0xFFFF);
+  }
+
+  /** Should only swap if the hardware's underlying byte order is
+      different from Java's */
+  public long swapLong(long x) {
+    if (!swap)
+      return x;
+
+    return (swapInt((int) x) << 32) | (swapInt((int) (x >> 32)) & 0xFFFFFFFF);
+  }
+}