Mercurial > hg > truffle
comparison src/os_cpu/solaris_x86/vm/orderAccess_solaris_x86.inline.hpp @ 0:a61af66fc99e jdk7-b24
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author | duke |
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date | Sat, 01 Dec 2007 00:00:00 +0000 |
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children | d0994e5bebce |
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1 /* | |
2 * Copyright 2003-2007 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 // Implementation of class OrderAccess. | |
26 | |
27 // For Sun Studio - implementation is in solaris_i486.il. | |
28 // For gcc - implementation is just below. | |
29 extern "C" void _OrderAccess_acquire(); | |
30 extern "C" void _OrderAccess_fence(); | |
31 | |
32 inline void OrderAccess::loadload() { acquire(); } | |
33 inline void OrderAccess::storestore() { release(); } | |
34 inline void OrderAccess::loadstore() { acquire(); } | |
35 inline void OrderAccess::storeload() { fence(); } | |
36 | |
37 inline void OrderAccess::acquire() { | |
38 _OrderAccess_acquire(); | |
39 | |
40 } | |
41 | |
42 inline void OrderAccess::release() { | |
43 dummy = 0; | |
44 } | |
45 | |
46 inline void OrderAccess::fence() { | |
47 if (os::is_MP()) { | |
48 _OrderAccess_fence(); | |
49 } | |
50 } | |
51 | |
52 #ifdef _GNU_SOURCE | |
53 | |
54 extern "C" { | |
55 inline void _OrderAccess_acquire() { | |
56 volatile intptr_t dummy; | |
57 #ifdef AMD64 | |
58 __asm__ volatile ("movq 0(%%rsp), %0" : "=r" (dummy) : : "memory"); | |
59 #else | |
60 __asm__ volatile ("movl 0(%%esp),%0" : "=r" (dummy) : : "memory"); | |
61 #endif // AMD64 | |
62 } | |
63 inline void _OrderAccess_fence() { | |
64 #ifdef AMD64 | |
65 __asm__ __volatile__ ("mfence":::"memory"); | |
66 #else | |
67 __asm__ volatile ("lock; addl $0,0(%%esp)" : : : "cc", "memory"); | |
68 #endif // AMD64 | |
69 } | |
70 | |
71 } | |
72 | |
73 #endif // GNU_SOURCE | |
74 | |
75 inline jbyte OrderAccess::load_acquire(volatile jbyte* p) { return *p; } | |
76 inline jshort OrderAccess::load_acquire(volatile jshort* p) { return *p; } | |
77 inline jint OrderAccess::load_acquire(volatile jint* p) { return *p; } | |
78 inline jlong OrderAccess::load_acquire(volatile jlong* p) { return *p; } | |
79 inline jubyte OrderAccess::load_acquire(volatile jubyte* p) { return *p; } | |
80 inline jushort OrderAccess::load_acquire(volatile jushort* p) { return *p; } | |
81 inline juint OrderAccess::load_acquire(volatile juint* p) { return *p; } | |
82 inline julong OrderAccess::load_acquire(volatile julong* p) { return *p; } | |
83 inline jfloat OrderAccess::load_acquire(volatile jfloat* p) { return *p; } | |
84 inline jdouble OrderAccess::load_acquire(volatile jdouble* p) { return *p; } | |
85 | |
86 inline intptr_t OrderAccess::load_ptr_acquire(volatile intptr_t* p) { return *p; } | |
87 inline void* OrderAccess::load_ptr_acquire(volatile void* p) { return *(void* volatile *)p; } | |
88 inline void* OrderAccess::load_ptr_acquire(const volatile void* p) { return *(void* const volatile *)p; } | |
89 | |
90 inline void OrderAccess::release_store(volatile jbyte* p, jbyte v) { *p = v; } | |
91 inline void OrderAccess::release_store(volatile jshort* p, jshort v) { *p = v; } | |
92 inline void OrderAccess::release_store(volatile jint* p, jint v) { *p = v; } | |
93 inline void OrderAccess::release_store(volatile jlong* p, jlong v) { *p = v; } | |
94 inline void OrderAccess::release_store(volatile jubyte* p, jubyte v) { *p = v; } | |
95 inline void OrderAccess::release_store(volatile jushort* p, jushort v) { *p = v; } | |
96 inline void OrderAccess::release_store(volatile juint* p, juint v) { *p = v; } | |
97 inline void OrderAccess::release_store(volatile julong* p, julong v) { *p = v; } | |
98 inline void OrderAccess::release_store(volatile jfloat* p, jfloat v) { *p = v; } | |
99 inline void OrderAccess::release_store(volatile jdouble* p, jdouble v) { *p = v; } | |
100 | |
101 inline void OrderAccess::release_store_ptr(volatile intptr_t* p, intptr_t v) { *p = v; } | |
102 inline void OrderAccess::release_store_ptr(volatile void* p, void* v) { *(void* volatile *)p = v; } | |
103 | |
104 inline void OrderAccess::store_fence(jbyte* p, jbyte v) { *p = v; fence(); } | |
105 inline void OrderAccess::store_fence(jshort* p, jshort v) { *p = v; fence(); } | |
106 inline void OrderAccess::store_fence(jint* p, jint v) { *p = v; fence(); } | |
107 inline void OrderAccess::store_fence(jlong* p, jlong v) { *p = v; fence(); } | |
108 inline void OrderAccess::store_fence(jubyte* p, jubyte v) { *p = v; fence(); } | |
109 inline void OrderAccess::store_fence(jushort* p, jushort v) { *p = v; fence(); } | |
110 inline void OrderAccess::store_fence(juint* p, juint v) { *p = v; fence(); } | |
111 inline void OrderAccess::store_fence(julong* p, julong v) { *p = v; fence(); } | |
112 inline void OrderAccess::store_fence(jfloat* p, jfloat v) { *p = v; fence(); } | |
113 inline void OrderAccess::store_fence(jdouble* p, jdouble v) { *p = v; fence(); } | |
114 | |
115 inline void OrderAccess::store_ptr_fence(intptr_t* p, intptr_t v) { *p = v; fence(); } | |
116 inline void OrderAccess::store_ptr_fence(void** p, void* v) { *p = v; fence(); } | |
117 | |
118 inline void OrderAccess::release_store_fence(volatile jbyte* p, jbyte v) { *p = v; fence(); } | |
119 inline void OrderAccess::release_store_fence(volatile jshort* p, jshort v) { *p = v; fence(); } | |
120 inline void OrderAccess::release_store_fence(volatile jint* p, jint v) { *p = v; fence(); } | |
121 inline void OrderAccess::release_store_fence(volatile jlong* p, jlong v) { *p = v; fence(); } | |
122 inline void OrderAccess::release_store_fence(volatile jubyte* p, jubyte v) { *p = v; fence(); } | |
123 inline void OrderAccess::release_store_fence(volatile jushort* p, jushort v) { *p = v; fence(); } | |
124 inline void OrderAccess::release_store_fence(volatile juint* p, juint v) { *p = v; fence(); } | |
125 inline void OrderAccess::release_store_fence(volatile julong* p, julong v) { *p = v; fence(); } | |
126 inline void OrderAccess::release_store_fence(volatile jfloat* p, jfloat v) { *p = v; fence(); } | |
127 inline void OrderAccess::release_store_fence(volatile jdouble* p, jdouble v) { *p = v; fence(); } | |
128 | |
129 inline void OrderAccess::release_store_ptr_fence(volatile intptr_t* p, intptr_t v) { *p = v; fence(); } | |
130 inline void OrderAccess::release_store_ptr_fence(volatile void* p, void* v) { *(void* volatile *)p = v; fence(); } |