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annotate src/os_cpu/linux_x86/vm/atomic_linux_x86.inline.hpp @ 1972:f95d63e2154a
6989984: Use standard include model for Hospot
Summary: Replaced MakeDeps and the includeDB files with more standardized solutions.
Reviewed-by: coleenp, kvn, kamg
| author | stefank |
|---|---|
| date | Tue, 23 Nov 2010 13:22:55 -0800 |
| parents | c18cbe5936b8 |
| children | 4fc084dac61e |
| rev | line source |
|---|---|
| 0 | 1 /* |
| 1972 | 2 * Copyright (c) 1999, 2010, 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 * | |
|
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19 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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20 * or visit www.oracle.com if you need additional information or have any |
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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 "orderAccess_linux_x86.inline.hpp" | |
| 29 #include "runtime/atomic.hpp" | |
| 30 #include "runtime/os.hpp" | |
| 31 #include "vm_version_x86.hpp" | |
| 32 | |
| 0 | 33 // Implementation of class atomic |
| 34 | |
| 35 inline void Atomic::store (jbyte store_value, jbyte* dest) { *dest = store_value; } | |
| 36 inline void Atomic::store (jshort store_value, jshort* dest) { *dest = store_value; } | |
| 37 inline void Atomic::store (jint store_value, jint* dest) { *dest = store_value; } | |
| 38 inline void Atomic::store_ptr(intptr_t store_value, intptr_t* dest) { *dest = store_value; } | |
| 39 inline void Atomic::store_ptr(void* store_value, void* dest) { *(void**)dest = store_value; } | |
| 40 | |
| 41 inline void Atomic::store (jbyte store_value, volatile jbyte* dest) { *dest = store_value; } | |
| 42 inline void Atomic::store (jshort store_value, volatile jshort* dest) { *dest = store_value; } | |
| 43 inline void Atomic::store (jint store_value, volatile jint* dest) { *dest = store_value; } | |
| 44 inline void Atomic::store_ptr(intptr_t store_value, volatile intptr_t* dest) { *dest = store_value; } | |
| 45 inline void Atomic::store_ptr(void* store_value, volatile void* dest) { *(void* volatile *)dest = store_value; } | |
| 46 | |
| 47 | |
| 48 // Adding a lock prefix to an instruction on MP machine | |
| 49 #define LOCK_IF_MP(mp) "cmp $0, " #mp "; je 1f; lock; 1: " | |
| 50 | |
| 51 inline jint Atomic::add (jint add_value, volatile jint* dest) { | |
| 52 jint addend = add_value; | |
| 53 int mp = os::is_MP(); | |
| 54 __asm__ volatile ( LOCK_IF_MP(%3) "xaddl %0,(%2)" | |
| 55 : "=r" (addend) | |
| 56 : "0" (addend), "r" (dest), "r" (mp) | |
| 57 : "cc", "memory"); | |
| 58 return addend + add_value; | |
| 59 } | |
| 60 | |
| 61 inline void Atomic::inc (volatile jint* dest) { | |
| 62 int mp = os::is_MP(); | |
| 63 __asm__ volatile (LOCK_IF_MP(%1) "addl $1,(%0)" : | |
| 64 : "r" (dest), "r" (mp) : "cc", "memory"); | |
| 65 } | |
| 66 | |
| 67 inline void Atomic::inc_ptr(volatile void* dest) { | |
| 68 inc_ptr((volatile intptr_t*)dest); | |
| 69 } | |
| 70 | |
| 71 inline void Atomic::dec (volatile jint* dest) { | |
| 72 int mp = os::is_MP(); | |
| 73 __asm__ volatile (LOCK_IF_MP(%1) "subl $1,(%0)" : | |
| 74 : "r" (dest), "r" (mp) : "cc", "memory"); | |
| 75 } | |
| 76 | |
| 77 inline void Atomic::dec_ptr(volatile void* dest) { | |
| 78 dec_ptr((volatile intptr_t*)dest); | |
| 79 } | |
| 80 | |
| 81 inline jint Atomic::xchg (jint exchange_value, volatile jint* dest) { | |
| 82 __asm__ volatile ( "xchgl (%2),%0" | |
| 83 : "=r" (exchange_value) | |
| 84 : "0" (exchange_value), "r" (dest) | |
| 85 : "memory"); | |
| 86 return exchange_value; | |
| 87 } | |
| 88 | |
| 89 inline void* Atomic::xchg_ptr(void* exchange_value, volatile void* dest) { | |
| 90 return (void*)xchg_ptr((intptr_t)exchange_value, (volatile intptr_t*)dest); | |
| 91 } | |
| 92 | |
| 93 | |
| 94 inline jint Atomic::cmpxchg (jint exchange_value, volatile jint* dest, jint compare_value) { | |
| 95 int mp = os::is_MP(); | |
| 96 __asm__ volatile (LOCK_IF_MP(%4) "cmpxchgl %1,(%3)" | |
| 97 : "=a" (exchange_value) | |
| 98 : "r" (exchange_value), "a" (compare_value), "r" (dest), "r" (mp) | |
| 99 : "cc", "memory"); | |
| 100 return exchange_value; | |
| 101 } | |
| 102 | |
| 103 extern "C" { | |
| 104 // defined in linux_x86.s | |
| 105 jlong _Atomic_cmpxchg_long(jlong, volatile jlong*, jlong, bool); | |
| 106 } | |
| 107 | |
| 108 #ifdef AMD64 | |
| 109 inline void Atomic::store (jlong store_value, jlong* dest) { *dest = store_value; } | |
| 110 inline void Atomic::store (jlong store_value, volatile jlong* dest) { *dest = store_value; } | |
| 111 | |
| 112 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) { | |
| 113 intptr_t addend = add_value; | |
| 114 bool mp = os::is_MP(); | |
| 115 __asm__ __volatile__ (LOCK_IF_MP(%3) "xaddq %0,(%2)" | |
| 116 : "=r" (addend) | |
| 117 : "0" (addend), "r" (dest), "r" (mp) | |
| 118 : "cc", "memory"); | |
| 119 return addend + add_value; | |
| 120 } | |
| 121 | |
| 122 inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) { | |
| 123 return (void*)add_ptr(add_value, (volatile intptr_t*)dest); | |
| 124 } | |
| 125 | |
| 126 inline void Atomic::inc_ptr(volatile intptr_t* dest) { | |
| 127 bool mp = os::is_MP(); | |
| 128 __asm__ __volatile__ (LOCK_IF_MP(%1) "addq $1,(%0)" | |
| 129 : | |
| 130 : "r" (dest), "r" (mp) | |
| 131 : "cc", "memory"); | |
| 132 } | |
| 133 | |
| 134 inline void Atomic::dec_ptr(volatile intptr_t* dest) { | |
| 135 bool mp = os::is_MP(); | |
| 136 __asm__ __volatile__ (LOCK_IF_MP(%1) "subq $1,(%0)" | |
| 137 : | |
| 138 : "r" (dest), "r" (mp) | |
| 139 : "cc", "memory"); | |
| 140 } | |
| 141 | |
| 142 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) { | |
| 143 __asm__ __volatile__ ("xchgq (%2),%0" | |
| 144 : "=r" (exchange_value) | |
| 145 : "0" (exchange_value), "r" (dest) | |
| 146 : "memory"); | |
| 147 return exchange_value; | |
| 148 } | |
| 149 | |
| 150 inline jlong Atomic::cmpxchg (jlong exchange_value, volatile jlong* dest, jlong compare_value) { | |
| 151 bool mp = os::is_MP(); | |
| 152 __asm__ __volatile__ (LOCK_IF_MP(%4) "cmpxchgq %1,(%3)" | |
| 153 : "=a" (exchange_value) | |
| 154 : "r" (exchange_value), "a" (compare_value), "r" (dest), "r" (mp) | |
| 155 : "cc", "memory"); | |
| 156 return exchange_value; | |
| 157 } | |
| 158 | |
| 159 inline intptr_t Atomic::cmpxchg_ptr(intptr_t exchange_value, volatile intptr_t* dest, intptr_t compare_value) { | |
| 160 return (intptr_t)cmpxchg((jlong)exchange_value, (volatile jlong*)dest, (jlong)compare_value); | |
| 161 } | |
| 162 | |
| 163 inline void* Atomic::cmpxchg_ptr(void* exchange_value, volatile void* dest, void* compare_value) { | |
| 164 return (void*)cmpxchg((jlong)exchange_value, (volatile jlong*)dest, (jlong)compare_value); | |
| 165 } | |
| 166 | |
| 167 #else | |
| 168 //inline void Atomic::store (jlong store_value, jlong* dest) { *dest = store_value; } | |
| 169 //inline void Atomic::store (jlong store_value, volatile jlong* dest) { *dest = store_value; } | |
| 170 | |
| 171 inline intptr_t Atomic::add_ptr(intptr_t add_value, volatile intptr_t* dest) { | |
| 172 return (intptr_t)Atomic::add((jint)add_value, (volatile jint*)dest); | |
| 173 } | |
| 174 | |
| 175 inline void* Atomic::add_ptr(intptr_t add_value, volatile void* dest) { | |
| 176 return (void*)Atomic::add((jint)add_value, (volatile jint*)dest); | |
| 177 } | |
| 178 | |
| 179 | |
| 180 inline void Atomic::inc_ptr(volatile intptr_t* dest) { | |
| 181 inc((volatile jint*)dest); | |
| 182 } | |
| 183 | |
| 184 inline void Atomic::dec_ptr(volatile intptr_t* dest) { | |
| 185 dec((volatile jint*)dest); | |
| 186 } | |
| 187 | |
| 188 inline intptr_t Atomic::xchg_ptr(intptr_t exchange_value, volatile intptr_t* dest) { | |
| 189 return (intptr_t)xchg((jint)exchange_value, (volatile jint*)dest); | |
| 190 } | |
| 191 | |
| 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 } | |
| 203 #endif // AMD64 | |
| 1972 | 204 |
| 205 #endif // OS_CPU_LINUX_X86_VM_ATOMIC_LINUX_X86_INLINE_HPP |