--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/agent/src/share/classes/sun/jvm/hotspot/debugger/windbg/WindbgCDebugger.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,108 @@
+/*
+ * Copyright 2002-2005 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;
+
+import java.io.*;
+import java.util.*;
+import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.debugger.cdbg.*;
+import sun.jvm.hotspot.debugger.cdbg.basic.x86.*;
+import sun.jvm.hotspot.debugger.cdbg.basic.amd64.*;
+import sun.jvm.hotspot.debugger.x86.*;
+import sun.jvm.hotspot.debugger.amd64.*;
+import sun.jvm.hotspot.utilities.AddressOps;
+
+class WindbgCDebugger implements CDebugger {
+  // FIXME: think about how to make this work in a remote debugging
+  // scenario; who should keep open DLLs? Need local copies of these
+  // DLLs on the debugging machine?
+  private WindbgDebugger dbg;
+
+  WindbgCDebugger(WindbgDebugger dbg) {
+    this.dbg = dbg;
+  }
+
+  public List getThreadList() throws DebuggerException {
+    return dbg.getThreadList();
+  }
+
+  public List/*<LoadObject>*/ getLoadObjectList() throws DebuggerException{
+    return dbg.getLoadObjectList();
+  }
+
+  public LoadObject loadObjectContainingPC(Address pc) throws DebuggerException {
+    // FIXME: could keep sorted list of these to be able to do binary
+    // searches, for better scalability
+    if (pc == null) {
+      return null;
+    }
+    List objs = getLoadObjectList();
+    for (Iterator iter = objs.iterator(); iter.hasNext(); ) {
+      LoadObject obj = (LoadObject) iter.next();
+      if (AddressOps.lte(obj.getBase(), pc) && (pc.minus(obj.getBase()) < obj.getSize())) {
+        return obj;
+      }
+    }
+    return null;
+  }
+
+  public CFrame topFrameForThread(ThreadProxy thread) throws DebuggerException {
+    if (dbg.getCPU().equals("x86")) {
+      X86ThreadContext context = (X86ThreadContext) thread.getContext();
+      Address ebp = context.getRegisterAsAddress(X86ThreadContext.EBP);
+      if (ebp == null) return null;
+      Address pc  = context.getRegisterAsAddress(X86ThreadContext.EIP);
+      if (pc == null) return null;
+      return new X86CFrame(this, ebp, pc);
+    } else if (dbg.getCPU().equals("amd64")) {
+      AMD64ThreadContext context = (AMD64ThreadContext) thread.getContext();
+      Address rbp = context.getRegisterAsAddress(AMD64ThreadContext.RBP);
+      if (rbp == null) return null;
+      Address pc  = context.getRegisterAsAddress(AMD64ThreadContext.RIP);
+      if (pc == null) return null;
+      return new AMD64CFrame(this, rbp, pc);
+    } else {
+      // unsupported CPU!
+      return null;
+    }
+  }
+
+  public String getNameOfFile(String fileName) {
+    return new File(fileName).getName();
+  }
+
+  public ProcessControl getProcessControl() throws DebuggerException {
+    return null;
+  }
+
+  // C++ name demangling
+  public boolean canDemangle() {
+    return false;
+  }
+
+  public String demangle(String sym) {
+    throw new UnsupportedOperationException();
+  }
+}