diff -r fd16c54261b3 -r 489c9b5090e2 hotspot/src/cpu/x86/vm/stubRoutines_x86_32.hpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hotspot/src/cpu/x86/vm/stubRoutines_x86_32.hpp	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,57 @@
+/*
+ * Copyright 1997-2007 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.
+ *
+ */
+
+// This file holds the platform specific parts of the StubRoutines
+// definition. See stubRoutines.hpp for a description on how to
+// extend it.
+
+enum platform_dependent_constants {
+  code_size1 =  9000,           // simply increase if too small (assembler will crash if too small)
+  code_size2 = 22000            // simply increase if too small (assembler will crash if too small)
+};
+
+class i486 {
+ friend class StubGenerator;
+ friend class VMStructs;
+
+ private:
+  // If we call compiled code directly from the call stub we will
+  // need to adjust the return back to the call stub to a specialized
+  // piece of code that can handle compiled results and cleaning the fpu
+  // stack. The variable holds that location.
+  static address _call_stub_compiled_return;
+  static address _verify_mxcsr_entry;
+  static address _verify_fpu_cntrl_wrd_entry;
+  static jint    _mxcsr_std;
+
+ public:
+  static address verify_mxcsr_entry()                        { return _verify_mxcsr_entry; }
+  static address verify_fpu_cntrl_wrd_entry()                { return _verify_fpu_cntrl_wrd_entry; }
+
+  static address get_call_stub_compiled_return()             { return _call_stub_compiled_return; }
+  static void set_call_stub_compiled_return(address ret)     { _call_stub_compiled_return = ret; }
+};
+
+  static bool    returns_to_call_stub(address return_pc)     { return (return_pc == _call_stub_return_address) ||
+                                                                       return_pc == i486::get_call_stub_compiled_return(); }