os_linux_sparc.hpp revision 196:d1605aabd0a1 
1148771Scperciva/*
2148771Scperciva * Copyright 1999-2008 Sun Microsystems, Inc.  All Rights Reserved.
3148771Scperciva * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4148771Scperciva *
5148771Scperciva * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation.
8 *
9 * This code is distributed in the hope that it will be useful, but WITHOUT
10 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
11 * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
12 * version 2 for more details (a copy is included in the LICENSE file that
13 * accompanied this code).
14 *
15 * You should have received a copy of the GNU General Public License version
16 * 2 along with this work; if not, write to the Free Software Foundation,
17 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
18 *
19 * Please contact Sun Microsystems, Inc., 4150 Network Circle, Santa Clara,
20 * CA 95054 USA or visit www.sun.com if you need additional information or
21 * have any questions.
22 *
23 */
24
25  //
26  // NOTE: we are back in class os here, not Linux
27  //
28  static jint  (*atomic_xchg_func)        (jint,  volatile jint*);
29  static jint  (*atomic_cmpxchg_func)     (jint,  volatile jint*,  jint);
30  static jlong (*atomic_cmpxchg_long_func)(jlong, volatile jlong*, jlong);
31  static jint  (*atomic_add_func)         (jint,  volatile jint*);
32  static void  (*fence_func)              ();
33
34  static jint  atomic_xchg_bootstrap        (jint,  volatile jint*);
35  static jint  atomic_cmpxchg_bootstrap     (jint,  volatile jint*,  jint);
36  static jlong atomic_cmpxchg_long_bootstrap(jlong, volatile jlong*, jlong);
37  static jint  atomic_add_bootstrap         (jint,  volatile jint*);
38  static void  fence_bootstrap              ();
39
40  static void setup_fpu() {}
41
42  static bool is_allocatable(size_t bytes);
43
44  // Used to register dynamic code cache area with the OS
45  // Note: Currently only used in 64 bit Windows implementations
46  static bool register_code_area(char *low, char *high) { return true; }
47