--- a/hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/basic/amd64/AMD64CFrame.java	Thu May 16 17:54:11 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,73 +0,0 @@
-/*
- * Copyright (c) 2003, 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-package sun.jvm.hotspot.debugger.cdbg.basic.amd64;
-
-import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.debugger.amd64.*;
-import sun.jvm.hotspot.debugger.cdbg.*;
-import sun.jvm.hotspot.debugger.cdbg.basic.*;
-
-/** Basic AMD64 frame functionality providing sender() functionality. */
-
-public class AMD64CFrame extends BasicCFrame {
-  private Address rbp;
-  private Address pc;
-
-  private static final int ADDRESS_SIZE = 8;
-
-  /** Constructor for topmost frame */
-  public AMD64CFrame(CDebugger dbg, Address rbp, Address pc) {
-    super(dbg);
-    this.rbp = rbp;
-    this.pc  = pc;
-  }
-
-  public CFrame sender(ThreadProxy thread) {
-    AMD64ThreadContext context = (AMD64ThreadContext) thread.getContext();
-    Address rsp = context.getRegisterAsAddress(AMD64ThreadContext.RSP);
-
-    if ( (rbp == null) || rbp.lessThan(rsp) ) {
-      return null;
-    }
-
-    Address nextRBP = rbp.getAddressAt( 0 * ADDRESS_SIZE);
-    if (nextRBP == null) {
-      return null;
-    }
-    Address nextPC  = rbp.getAddressAt( 1 * ADDRESS_SIZE);
-    if (nextPC == null) {
-      return null;
-    }
-    return new AMD64CFrame(dbg(), nextRBP, nextPC);
-  }
-
-  public Address pc() {
-    return pc;
-  }
-
-  public Address localVariableBase() {
-    return rbp;
-  }
-}

--- a/hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/cdbg/basic/x86/X86CFrame.java	Thu May 16 17:54:11 2013 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,73 +0,0 @@
-/*
- * Copyright (c) 2001, 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
- * or visit www.oracle.com if you need additional information or have any
- * questions.
- *
- */
-
-package sun.jvm.hotspot.debugger.cdbg.basic.x86;
-
-import sun.jvm.hotspot.debugger.*;
-import sun.jvm.hotspot.debugger.x86.*;
-import sun.jvm.hotspot.debugger.cdbg.*;
-import sun.jvm.hotspot.debugger.cdbg.basic.*;
-
-/** Basic X86 frame functionality providing sender() functionality. */
-
-public class X86CFrame extends BasicCFrame {
-  private Address ebp;
-  private Address pc;
-
-  private static final int ADDRESS_SIZE = 4;
-
-  /** Constructor for topmost frame */
-  public X86CFrame(CDebugger dbg, Address ebp, Address pc) {
-    super(dbg);
-    this.ebp = ebp;
-    this.pc  = pc;
-  }
-
-  public CFrame sender(ThreadProxy thread) {
-    X86ThreadContext context = (X86ThreadContext) thread.getContext();
-    Address esp = context.getRegisterAsAddress(X86ThreadContext.ESP);
-
-    if ( (ebp == null) || ebp.lessThan(esp) ) {
-      return null;
-    }
-
-    Address nextEBP = ebp.getAddressAt( 0 * ADDRESS_SIZE);
-    if (nextEBP == null) {
-      return null;
-    }
-    Address nextPC  = ebp.getAddressAt( 1 * ADDRESS_SIZE);
-    if (nextPC == null) {
-      return null;
-    }
-    return new X86CFrame(dbg(), nextEBP, nextPC);
-  }
-
-  public Address pc() {
-    return pc;
-  }
-
-  public Address localVariableBase() {
-    return ebp;
-  }
-}

--- a/hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/windbg/WindbgCDebugger.java	Thu May 16 17:54:11 2013 +0200
+++ b/hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/windbg/WindbgCDebugger.java	Thu May 16 12:40:27 2013 +0100
@@ -28,10 +28,10 @@
 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.debugger.windows.x86.*;
+import sun.jvm.hotspot.debugger.windows.amd64.*;
 import sun.jvm.hotspot.utilities.AddressOps;
 
 class WindbgCDebugger implements CDebugger {
@@ -75,14 +75,14 @@
       if (ebp == null) return null;
       Address pc  = context.getRegisterAsAddress(X86ThreadContext.EIP);
       if (pc == null) return null;
-      return new X86CFrame(this, ebp, pc);
+      return new WindowsX86CFrame(dbg, 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);
+      return new WindowsAMD64CFrame(dbg, rbp, pc);
     } else {
       // unsupported CPU!
       return null;

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/windows/amd64/WindowsAMD64CFrame.java	Thu May 16 12:40:27 2013 +0100
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2003, 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package sun.jvm.hotspot.debugger.windows.amd64;
+
+import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.debugger.amd64.*;
+import sun.jvm.hotspot.debugger.cdbg.*;
+import sun.jvm.hotspot.debugger.cdbg.basic.*;
+import sun.jvm.hotspot.debugger.windbg.*;
+
+public class WindowsAMD64CFrame extends BasicCFrame {
+  private Address rbp;
+  private Address pc;
+
+  private static final int ADDRESS_SIZE = 8;
+
+  /** Constructor for topmost frame */
+  public WindowsAMD64CFrame(WindbgDebugger dbg, Address rbp, Address pc) {
+    super(dbg.getCDebugger());
+    this.rbp = rbp;
+    this.pc  = pc;
+    this.dbg = dbg;
+  }
+
+  public CFrame sender(ThreadProxy thread) {
+    AMD64ThreadContext context = (AMD64ThreadContext) thread.getContext();
+    Address rsp = context.getRegisterAsAddress(AMD64ThreadContext.RSP);
+
+    if ( (rbp == null) || rbp.lessThan(rsp) ) {
+      return null;
+    }
+
+    // Check alignment of rbp
+    if ( dbg.getAddressValue(rbp) % ADDRESS_SIZE != 0) {
+        return null;
+    }
+
+    Address nextRBP = rbp.getAddressAt( 0 * ADDRESS_SIZE);
+    if (nextRBP == null || nextRBP.lessThanOrEqual(rbp)) {
+      return null;
+    }
+    Address nextPC  = rbp.getAddressAt( 1 * ADDRESS_SIZE);
+    if (nextPC == null) {
+      return null;
+    }
+    return new WindowsAMD64CFrame(dbg, nextRBP, nextPC);
+  }
+
+  public Address pc() {
+    return pc;
+  }
+
+  public Address localVariableBase() {
+    return rbp;
+  }
+
+  private WindbgDebugger dbg;
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/agent/src/share/classes/sun/jvm/hotspot/debugger/windows/x86/WindowsX86CFrame.java	Thu May 16 12:40:27 2013 +0100
@@ -0,0 +1,80 @@
+/*
+ * Copyright (c) 2001, 2012, Oracle and/or its affiliates. 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 Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ *
+ */
+
+package sun.jvm.hotspot.debugger.windows.x86;
+
+import sun.jvm.hotspot.debugger.*;
+import sun.jvm.hotspot.debugger.x86.*;
+import sun.jvm.hotspot.debugger.cdbg.*;
+import sun.jvm.hotspot.debugger.cdbg.basic.*;
+import sun.jvm.hotspot.debugger.windbg.*;
+
+public class WindowsX86CFrame extends BasicCFrame {
+  private Address ebp;
+  private Address pc;
+
+  private static final int ADDRESS_SIZE = 4;
+
+  /** Constructor for topmost frame */
+  public WindowsX86CFrame(WindbgDebugger dbg, Address ebp, Address pc) {
+    super(dbg.getCDebugger());
+    this.ebp = ebp;
+    this.pc  = pc;
+    this.dbg = dbg;
+  }
+
+  public CFrame sender(ThreadProxy thread) {
+    X86ThreadContext context = (X86ThreadContext) thread.getContext();
+    Address esp = context.getRegisterAsAddress(X86ThreadContext.ESP);
+
+    if ( (ebp == null) || ebp.lessThan(esp) ) {
+      return null;
+    }
+
+    // Check alignment of ebp
+    if ( dbg.getAddressValue(ebp) % ADDRESS_SIZE != 0) {
+        return null;
+    }
+
+    Address nextEBP = ebp.getAddressAt( 0 * ADDRESS_SIZE);
+    if (nextEBP == null || nextEBP.lessThanOrEqual(ebp)) {
+      return null;
+    }
+    Address nextPC  = ebp.getAddressAt( 1 * ADDRESS_SIZE);
+    if (nextPC == null) {
+      return null;
+    }
+    return new WindowsX86CFrame(dbg, nextEBP, nextPC);
+  }
+
+  public Address pc() {
+    return pc;
+  }
+
+  public Address localVariableBase() {
+    return ebp;
+  }
+
+  private WindbgDebugger dbg;
+}

--- a/hotspot/make/sa.files	Thu May 16 17:54:11 2013 +0200
+++ b/hotspot/make/sa.files	Thu May 16 12:40:27 2013 +0100
@@ -48,8 +48,6 @@
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/bsd/x86/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/cdbg/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/cdbg/basic/*.java \
-$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/cdbg/basic/x86/*.java \
-$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/cdbg/basic/amd64/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/dummy/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/linux/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/linux/amd64/*.java \
@@ -70,6 +68,8 @@
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/windbg/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/windbg/amd64/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/windbg/x86/*.java \
+$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/windows/x86/*.java \
+$(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/windows/amd64/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/debugger/x86/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/gc_implementation/g1/*.java \
 $(AGENT_SRC_DIR)/sun/jvm/hotspot/gc_implementation/parallelScavenge/*.java \