duke@435: /*
twisti@1020:  * Copyright 1999-2009 Sun Microsystems, Inc.  All Rights Reserved.
duke@435:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
duke@435:  *
duke@435:  * This code is free software; you can redistribute it and/or modify it
duke@435:  * under the terms of the GNU General Public License version 2 only, as
duke@435:  * published by the Free Software Foundation.
duke@435:  *
duke@435:  * This code is distributed in the hope that it will be useful, but WITHOUT
duke@435:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
duke@435:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
duke@435:  * version 2 for more details (a copy is included in the LICENSE file that
duke@435:  * accompanied this code).
duke@435:  *
duke@435:  * You should have received a copy of the GNU General Public License version
duke@435:  * 2 along with this work; if not, write to the Free Software Foundation,
duke@435:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
duke@435:  *
duke@435:  * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
duke@435:  * CA 95054 USA or visit www.sun.com if you need additional information or
duke@435:  * have any questions.
duke@435:  *
duke@435:  */
duke@435: 
duke@435:   //
duke@435:   // NOTE: we are back in class os here, not Solaris
duke@435:   //
duke@435: #ifdef AMD64
duke@435:   static void setup_fpu() {}
duke@435: #else
duke@435:   static jint  (*atomic_xchg_func)        (jint,  volatile jint*);
duke@435:   static jint  (*atomic_cmpxchg_func)     (jint,  volatile jint*,  jint);
duke@435:   static jlong (*atomic_cmpxchg_long_func)(jlong, volatile jlong*, jlong);
duke@435:   static jint  (*atomic_add_func)         (jint,  volatile jint*);
duke@435:   static void  (*fence_func)              ();
duke@435: 
duke@435:   static jint  atomic_xchg_bootstrap        (jint,  volatile jint*);
duke@435:   static jint  atomic_cmpxchg_bootstrap     (jint,  volatile jint*,  jint);
duke@435:   static jlong atomic_cmpxchg_long_bootstrap(jlong, volatile jlong*, jlong);
duke@435:   static jint  atomic_add_bootstrap         (jint,  volatile jint*);
duke@435:   static void  fence_bootstrap              ();
duke@435: 
duke@435:   static void setup_fpu();
twisti@1020: #endif // AMD64
twisti@1020: 
duke@435:   static bool supports_sse();
duke@435: 
duke@435:   static bool is_allocatable(size_t bytes);
duke@435: 
duke@435:   // Used to register dynamic code cache area with the OS
duke@435:   // Note: Currently only used in 64 bit Windows implementations
duke@435:   static bool register_code_area(char *low, char *high) { return true; }