Mercurial > hg > graal-compiler
annotate src/os_cpu/linux_x86/vm/atomic_linux_x86.inline.hpp @ 9711:83dcd76c27f1
Merge.
author | Christian Haeubl <haeubl@ssw.jku.at> |
---|---|
date | Tue, 14 May 2013 16:57:07 +0200 |
parents | 63e54c37ac64 |
children |
rev | line source |
---|---|
0 | 1 /* |
8675
63e54c37ac64
8008959: Fix non-PCH build on Linux, Windows and MacOS X
simonis
parents:
2114
diff
changeset
|
2 * Copyright (c) 1999, 2013, Oracle and/or its affiliates. All rights reserved. |
0 | 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 * | |
1552
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
20 * or visit www.oracle.com if you need additional information or have any |
c18cbe5936b8
6941466: Oracle rebranding changes for Hotspot repositories
trims
parents:
0
diff
changeset
|
21 * questions. |
0 | 22 * |
23 */ | |
24 | |
1972 | 25 #ifndef OS_CPU_LINUX_X86_VM_ATOMIC_LINUX_X86_INLINE_HPP |
26 #define OS_CPU_LINUX_X86_VM_ATOMIC_LINUX_X86_INLINE_HPP | |
27 | |
28 #include "runtime/atomic.hpp" | |
29 #include "runtime/os.hpp" | |
30 #include "vm_version_x86.hpp" | |
31 | |
0 | 32 // Implementation of class atomic |
33 | |
34 inline void Atomic::store (jbyte store_value, jbyte* dest) { *dest = store_value; } | |
35 inline void Atomic::store (jshort store_value, jshort* dest) { *dest = store_value; } | |
36 inline void Atomic::store (jint store_value, jint* dest) { *dest = store_value; } | |
37 inline void Atomic::store_ptr(intptr_t store_value, intptr_t* dest) { *dest = store_value; } | |
38 inline void Atomic::store_ptr(void* store_value, void* dest) { *(void**)dest = store_value; } | |
39 | |
40 inline void Atomic::store (jbyte store_value, volatile jbyte* dest) { *dest = store_value; } | |
41 inline void Atomic::store (jshort store_value, volatile jshort* dest) { *dest = store_value; } | |
42 inline void Atomic::store (jint store_value, volatile jint* dest) { *dest = store_value; } | |
43 inline void Atomic::store_ptr(intptr_t store_value, volatile intptr_t* dest) { *dest = store_value; } | |
44 inline void Atomic::store_ptr(void* store_value, volatile void* dest) { *(void* volatile *)dest = store_value; } | |
45 | |
46 | |
47 // Adding a lock prefix to an instruction on MP machine | |
48 #define LOCK_IF_MP(mp) "cmp $0, " #mp "; je 1f; lock; 1: " | |
49 | |
50 inline jint Atomic::add (jint add_value, volatile jint* dest) { | |
51 jint addend = add_value; | |
52 int mp = os::is_MP(); | |
53 __asm__ volatile ( LOCK_IF_MP(%3) "xaddl %0,(%2)" | |
54 : "=r" (addend) | |
55 : "0" (addend), "r" (dest), "r" (mp) | |
56 : "cc", "memory"); | |
57 return addend + add_value; | |
58 } | |
59 | |
60 inline void Atomic::inc (volatile jint* dest) { | |
61 int mp = os::is_MP(); | |
62 __asm__ volatile (LOCK_IF_MP(%1) "addl $1,(%0)" : | |
63 : "r" (dest), "r" (mp) : "cc", "memory"); | |
64 } | |
65 | |
66 inline void Atomic::inc_ptr(volatile void* dest) { | |
67 inc_ptr((volatile intptr_t*)dest); | |
68 } | |
69 | |
70 inline void Atomic::dec (volatile jint* dest) { | |
71 int mp = os::is_MP(); | |
72 __asm__ volatile (LOCK_IF_MP(%1) "subl $1,(%0)" : | |
73 : "r" (dest), "r" (mp) : "cc", "memory"); | |
74 } | |
75 | |
76 inline void Atomic::dec_ptr(volatile void* dest) { | |
77 dec_ptr((volatile intptr_t*)dest); | |
78 } | |
79 | |
80 inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) { | |
81 __asm__ volatile ( "xchgl (%2),%0" | |
82 : "=r" (exchange_value) | |
83 : "0" (exchange_value), "r" (dest) | |
84 : "memory"); | |
85 return exchange_value; | |
86 } | |
87 | |
88 inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) { | |
89 return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest); | |
90 } | |
91 | |
92 | |
93 inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value) { | |
94 int mp = os::is_MP(); | |
95 __asm__ volatile (LOCK_IF_MP(%4) "cmpxchgl %1,(%3)" | |
96 : "=a" (exchange_value) | |
97 : "r" (exchange_value), "a" (compare_value), "r" (dest), "r" (mp) | |
98 : "cc", "memory"); | |
99 return exchange_value; | |
100 } | |
101 | |
102 #ifdef AMD64 | |
103 inline void Atomic::store (jlong store_value, jlong* dest) { *dest = store_value; } | |
104 inline void Atomic::store (jlong store_value, volatile jlong* dest) { *dest = store_value; } | |
105 | |
106 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) { | |
107 intptr_t addend = add_value; | |
108 bool mp = os::is_MP(); | |
109 __asm__ __volatile__ (LOCK_IF_MP(%3) "xaddq %0,(%2)" | |
110 : "=r" (addend) | |
111 : "0" (addend), "r" (dest), "r" (mp) | |
112 : "cc", "memory"); | |
113 return addend + add_value; | |
114 } | |
115 | |
116 inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) { | |
117 return (void*)add_ptr(add_value, (volatile intptr_t*)dest); | |
118 } | |
119 | |
120 inline void Atomic::inc_ptr(volatile intptr_t* dest) { | |
121 bool mp = os::is_MP(); | |
122 __asm__ __volatile__ (LOCK_IF_MP(%1) "addq $1,(%0)" | |
123 : | |
124 : "r" (dest), "r" (mp) | |
125 : "cc", "memory"); | |
126 } | |
127 | |
128 inline void Atomic::dec_ptr(volatile intptr_t* dest) { | |
129 bool mp = os::is_MP(); | |
130 __asm__ __volatile__ (LOCK_IF_MP(%1) "subq $1,(%0)" | |
131 : | |
132 : "r" (dest), "r" (mp) | |
133 : "cc", "memory"); | |
134 } | |
135 | |
136 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) { | |
137 __asm__ __volatile__ ("xchgq (%2),%0" | |
138 : "=r" (exchange_value) | |
139 : "0" (exchange_value), "r" (dest) | |
140 : "memory"); | |
141 return exchange_value; | |
142 } | |
143 | |
144 inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) { | |
145 bool mp = os::is_MP(); | |
146 __asm__ __volatile__ (LOCK_IF_MP(%4) "cmpxchgq %1,(%3)" | |
147 : "=a" (exchange_value) | |
148 : "r" (exchange_value), "a" (compare_value), "r" (dest), "r" (mp) | |
149 : "cc", "memory"); | |
150 return exchange_value; | |
151 } | |
152 | |
153 inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) { | |
154 return (intptr_t)cmpxchg((jlong)exchange_value, (volatile jlong*)dest, (jlong)compare_value); | |
155 } | |
156 | |
157 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { | |
158 return (void*)cmpxchg((jlong)exchange_value, (volatile jlong*)dest, (jlong)compare_value); | |
159 } | |
160 | |
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
161 inline jlong Atomic::load(volatile jlong* src) { return *src; } |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
162 |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
163 #else // !AMD64 |
0 | 164 |
165 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) { | |
166 return (intptr_t)Atomic::add((jint)add_value, (volatile jint*)dest); | |
167 } | |
168 | |
169 inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) { | |
170 return (void*)Atomic::add((jint)add_value, (volatile jint*)dest); | |
171 } | |
172 | |
173 | |
174 inline void Atomic::inc_ptr(volatile intptr_t* dest) { | |
175 inc((volatile jint*)dest); | |
176 } | |
177 | |
178 inline void Atomic::dec_ptr(volatile intptr_t* dest) { | |
179 dec((volatile jint*)dest); | |
180 } | |
181 | |
182 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) { | |
183 return (intptr_t)xchg((jint)exchange_value, (volatile jint*)dest); | |
184 } | |
185 | |
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
186 extern "C" { |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
187 // defined in linux_x86.s |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
188 jlong _Atomic_cmpxchg_long(jlong, volatile jlong*, jlong, bool); |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
189 void _Atomic_move_long(volatile jlong* src, volatile jlong* dst); |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
190 } |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
191 |
0 | 192 inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) { |
193 return _Atomic_cmpxchg_long(exchange_value, dest, compare_value, os::is_MP()); | |
194 } | |
195 | |
196 inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) { | |
197 return (intptr_t)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value); | |
198 } | |
199 | |
200 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { | |
201 return (void*)cmpxchg((jint)exchange_value, (volatile jint*)dest, (jint)compare_value); | |
202 } | |
2114
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
203 |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
204 inline jlong Atomic::load(volatile jlong* src) { |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
205 volatile jlong dest; |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
206 _Atomic_move_long(src, &dest); |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
207 return dest; |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
208 } |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
209 |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
210 inline void Atomic::store(jlong store_value, jlong* dest) { |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
211 _Atomic_move_long((volatile jlong*)&store_value, (volatile jlong*)dest); |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
212 } |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
213 |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
214 inline void Atomic::store(jlong store_value, volatile jlong* dest) { |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
215 _Atomic_move_long((volatile jlong*)&store_value, dest); |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
216 } |
4fc084dac61e
7009756: volatile variables could be broken throw reflection API
kvn
parents:
1972
diff
changeset
|
217 |
0 | 218 #endif // AMD64 |
1972 | 219 |
220 #endif // OS_CPU_LINUX_X86_VM_ATOMIC_LINUX_X86_INLINE_HPP |