--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/os_cpu/windows_x86/vm/thread_windows_x86.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,62 @@
+/*
+ * Copyright 1999-2007 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.
+ *
+ */
+
+ private:
+  void pd_initialize() {
+    _anchor.clear();
+  }
+
+  frame pd_last_frame() {
+    assert(has_last_Java_frame(), "must have last_Java_sp() when suspended");
+    if (_anchor.last_Java_pc() != NULL) {
+      return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp(), _anchor.last_Java_pc());
+    } else {
+      // This will pick up pc from sp
+      return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp());
+    }
+  }
+
+ public:
+  // Mutators are highly dangerous....
+  intptr_t* last_Java_fp()                       { return _anchor.last_Java_fp(); }
+  void  set_last_Java_fp(intptr_t* fp)           { _anchor.set_last_Java_fp(fp);   }
+
+  void set_base_of_stack_pointer(intptr_t* base_sp)  {}
+
+
+  static ByteSize last_Java_fp_offset()          {
+    return byte_offset_of(JavaThread, _anchor) + JavaFrameAnchor::last_Java_fp_offset();
+  }
+
+  intptr_t* base_of_stack_pointer()              { return NULL; }
+  void record_base_of_stack_pointer()            {}
+
+  bool pd_get_top_frame_for_signal_handler(frame* fr_addr, void* ucontext,
+    bool isInJava);
+
+  // These routines are only used on cpu architectures that
+  // have separate register stacks (Itanium).
+  static bool register_stack_overflow() { return false; }
+  static void enable_register_stack_guard() {}
+  static void disable_register_stack_guard() {}