hotspot/src/os_cpu/windows_x86/vm/os_windows_x86.hpp

/*
 * Copyright 1999-2004 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.
 *
 */

  //
  // NOTE: we are back in class os here, not win32
  //
#ifdef AMD64
  static jint      (*atomic_xchg_func)          (jint,      volatile jint*);
  static intptr_t  (*atomic_xchg_ptr_func)      (intptr_t,  volatile intptr_t*);

  static jint      (*atomic_cmpxchg_func)       (jint,      volatile jint*,  jint);
  static jlong     (*atomic_cmpxchg_long_func)  (jlong,     volatile jlong*, jlong);

  static jint      (*atomic_add_func)           (jint,      volatile jint*);
  static intptr_t  (*atomic_add_ptr_func)       (intptr_t,  volatile intptr_t*);

  static void      (*fence_func)                ();


  static jint      atomic_xchg_bootstrap        (jint,      volatile jint*);
  static intptr_t  atomic_xchg_ptr_bootstrap    (intptr_t,  volatile intptr_t*);

  static jint      atomic_cmpxchg_bootstrap     (jint,      volatile jint*,  jint);
#else

  static jlong (*atomic_cmpxchg_long_func)  (jlong, volatile jlong*, jlong);

#endif // AMD64

  static jlong atomic_cmpxchg_long_bootstrap(jlong, volatile jlong*, jlong);

#ifdef AMD64
  static jint      atomic_add_bootstrap         (jint,      volatile jint*);
  static intptr_t  atomic_add_ptr_bootstrap     (intptr_t,  volatile intptr_t*);

  static void      fence_bootstrap              ();
#endif // AMD64

  static void setup_fpu();
  static bool supports_sse() { return true; }

  static bool      register_code_area(char *low, char *high);