--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/windbg/amd64/WindbgAMD64Thread.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,103 @@
+/*
+ * Copyright 2005 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.windbg.amd64;
+
+import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.debugger.amd64.*;
+import sun.jvm.hotspot.debugger.windbg.*;
+
+class WindbgAMD64Thread implements ThreadProxy {
+  private WindbgDebugger debugger;
+  private long           sysId;
+  private boolean        gotID;
+  private long           id;
+
+  /** The address argument must be the address of the HANDLE of the
+      desired thread in the target process. */
+  WindbgAMD64Thread(WindbgDebugger debugger, Address addr) {
+    this.debugger = debugger;
+    // FIXME: size of data fetched here should be configurable.
+    // However, making it so would produce a dependency on the "types"
+    // package from the debugger package, which is not desired.
+
+    // another hack here is that we use sys thread id instead of handle.
+    // windbg can't get details based on handles it seems.
+    // I assume that osThread_win32 thread struct has _thread_id (which
+    // sys thread id) just after handle field.
+
+    this.sysId   = (int) addr.addOffsetTo(debugger.getAddressSize()).getCIntegerAt(0, 4, true);
+    gotID = false;
+  }
+
+  WindbgAMD64Thread(WindbgDebugger debugger, long sysId) {
+    this.debugger = debugger;
+    this.sysId    = sysId;
+    gotID         = false;
+  }
+
+  public ThreadContext getContext() throws IllegalThreadStateException {
+    long[] data = debugger.getThreadIntegerRegisterSet(getThreadID());
+    WindbgAMD64ThreadContext context = new WindbgAMD64ThreadContext(debugger);
+    for (int i = 0; i < data.length; i++) {
+      context.setRegister(i, data[i]);
+    }
+    return context;
+  }
+
+  public boolean canSetContext() throws DebuggerException {
+    return false;
+  }
+
+  public void setContext(ThreadContext thrCtx)
+    throws IllegalThreadStateException, DebuggerException {
+    throw new DebuggerException("Unimplemented");
+  }
+
+  public boolean equals(Object obj) {
+    if ((obj == null) || !(obj instanceof WindbgAMD64Thread)) {
+      return false;
+    }
+
+    return (((WindbgAMD64Thread) obj).getThreadID() == getThreadID());
+  }
+
+  public int hashCode() {
+    return (int) getThreadID();
+  }
+
+  public String toString() {
+    return Long.toString(getThreadID());
+  }
+
+  /** Retrieves the thread ID of this thread by examining the Thread
+      Information Block. */
+  private long getThreadID() {
+    if (!gotID) {
+       id = debugger.getThreadIdFromSysId(sysId);
+    }
+
+    return id;
+  }
+}