--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/win32/AddressDataSource.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,99 @@
+/*
+ * Copyright 2000-2004 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.debugger.win32;
+
+import java.io.*;
+import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.debugger.win32.coff.*;
+
+class AddressDataSource implements DataSource {
+  AddressDataSource(Address addr) {
+    this.addr = addr;
+    offset = 0;
+  }
+
+  public byte readByte() throws IOException {
+    try {
+      byte res = (byte) addr.getCIntegerAt(offset, 1, false);
+      ++offset;
+      return res;
+    } catch (UnmappedAddressException e) {
+      throw (IOException) new IOException("Unmapped address at 0x" + Long.toHexString(e.getAddress())).initCause(e);
+    } catch (DebuggerException e) {
+      throw (IOException) new IOException(e.toString()).initCause(e);
+    }
+  }
+
+  public short readShort() throws IOException {
+    // NOTE: byte swapping is taken care of at the COFFFileImpl level
+    int b1 = readByte() & 0xFF;
+    int b2 = readByte() & 0xFF;
+    return (short) ((b1 << 8) | b2);
+  }
+
+  public int readInt() throws IOException {
+    // NOTE: byte swapping is taken care of at the COFFFileImpl level
+    int b1 = ((int) readByte()) & 0xFF;
+    int b2 = ((int) readByte()) & 0xFF;
+    int b3 = ((int) readByte()) & 0xFF;
+    int b4 = ((int) readByte()) & 0xFF;
+    return ((b1 << 24) | (b2 << 16) | (b3 << 8) | b4);
+  }
+
+  public long readLong() throws IOException {
+    // NOTE: byte swapping is taken care of at the COFFFileImpl level
+    long b1 = ((long) readByte()) & 0xFFL;
+    long b2 = ((long) readByte()) & 0xFFL;
+    long b3 = ((long) readByte()) & 0xFFL;
+    long b4 = ((long) readByte()) & 0xFFL;
+    long b5 = ((long) readByte()) & 0xFFL;
+    long b6 = ((long) readByte()) & 0xFFL;
+    long b7 = ((long) readByte()) & 0xFFL;
+    long b8 = ((long) readByte()) & 0xFFL;
+    return (((((b1 << 24) | (b2 << 16) | (b3 << 8) | b4)) << 32) |
+            ((((b5 << 24) | (b6 << 16) | (b7 << 8) | b8))));
+  }
+
+  public int read(byte[] b) throws IOException {
+    for (int i = 0; i < b.length; i++) {
+      b[i] = readByte();
+    }
+    return b.length;
+  }
+
+  public void seek(long pos) throws IOException {
+    offset = pos;
+  }
+
+  public long getFilePointer() throws IOException {
+    return offset;
+  }
+
+  public void close() throws IOException {
+  }
+
+  private Address addr;
+  private long offset;
+}