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comparison src/os_cpu/linux_sparc/vm/os_linux_sparc.hpp @ 133:435e64505015

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6693457: Open-source hotspot linux-sparc support Summary: Move os_cpu/linux_sparc from closed to open Reviewed-by: kamg
author phh
date Thu, 24 Apr 2008 15:07:57 -0400
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children d1605aabd0a1
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122:ec73d88d5b43 133:435e64505015
1 /*
2 * Copyright 1999-2004 Sun Microsystems, Inc. All Rights Reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * 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; }