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| 1 // Copyright 2015 the V8 project authors. All rights reserved. | 1 // Copyright 2015 the V8 project authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 (function(global, utils) { | 5 (function(global, utils) { |
| 6 | 6 |
| 7 "use strict"; | 7 "use strict"; |
| 8 | 8 |
| 9 %CheckIsBootstrapping(); | 9 %CheckIsBootstrapping(); |
| 10 | 10 |
| 11 // ------------------------------------------------------------------- | 11 // ------------------------------------------------------------------- |
| 12 // Imports | 12 // Imports |
| 13 | 13 |
| 14 var GlobalObject = global.Object; | 14 var GlobalObject = global.Object; |
| 15 | |
| 16 var MathMax; | 15 var MathMax; |
| 16 var ToNumber; |
| 17 | 17 |
| 18 utils.Import(function(from) { | 18 utils.Import(function(from) { |
| 19 MathMax = from.MathMax; | 19 MathMax = from.MathMax; |
| 20 ToNumber = from.ToNumber; |
| 20 }); | 21 }); |
| 21 | 22 |
| 22 // ------------------------------------------------------------------- | 23 // ------------------------------------------------------------------- |
| 23 | 24 |
| 24 | 25 |
| 25 function CheckSharedTypedArray(sta) { | 26 function CheckSharedTypedArray(sta) { |
| 26 if (!%IsSharedTypedArray(sta)) { | 27 if (!%IsSharedTypedArray(sta)) { |
| 27 throw MakeTypeError(kNotSharedTypedArray, sta); | 28 throw MakeTypeError(kNotSharedTypedArray, sta); |
| 28 } | 29 } |
| 29 } | 30 } |
| (...skipping 12 matching lines...) Expand all Loading... |
| 42 } | 43 } |
| 43 | 44 |
| 44 //------------------------------------------------------------------- | 45 //------------------------------------------------------------------- |
| 45 | 46 |
| 46 function AtomicsCompareExchangeJS(sta, index, oldValue, newValue) { | 47 function AtomicsCompareExchangeJS(sta, index, oldValue, newValue) { |
| 47 CheckSharedTypedArray(sta); | 48 CheckSharedTypedArray(sta); |
| 48 index = $toInteger(index); | 49 index = $toInteger(index); |
| 49 if (index < 0 || index >= %_TypedArrayGetLength(sta)) { | 50 if (index < 0 || index >= %_TypedArrayGetLength(sta)) { |
| 50 return UNDEFINED; | 51 return UNDEFINED; |
| 51 } | 52 } |
| 52 oldValue = $toNumber(oldValue); | 53 oldValue = ToNumber(oldValue); |
| 53 newValue = $toNumber(newValue); | 54 newValue = ToNumber(newValue); |
| 54 return %_AtomicsCompareExchange(sta, index, oldValue, newValue); | 55 return %_AtomicsCompareExchange(sta, index, oldValue, newValue); |
| 55 } | 56 } |
| 56 | 57 |
| 57 function AtomicsLoadJS(sta, index) { | 58 function AtomicsLoadJS(sta, index) { |
| 58 CheckSharedTypedArray(sta); | 59 CheckSharedTypedArray(sta); |
| 59 index = $toInteger(index); | 60 index = $toInteger(index); |
| 60 if (index < 0 || index >= %_TypedArrayGetLength(sta)) { | 61 if (index < 0 || index >= %_TypedArrayGetLength(sta)) { |
| 61 return UNDEFINED; | 62 return UNDEFINED; |
| 62 } | 63 } |
| 63 return %_AtomicsLoad(sta, index); | 64 return %_AtomicsLoad(sta, index); |
| 64 } | 65 } |
| 65 | 66 |
| 66 function AtomicsStoreJS(sta, index, value) { | 67 function AtomicsStoreJS(sta, index, value) { |
| 67 CheckSharedTypedArray(sta); | 68 CheckSharedTypedArray(sta); |
| 68 index = $toInteger(index); | 69 index = $toInteger(index); |
| 69 if (index < 0 || index >= %_TypedArrayGetLength(sta)) { | 70 if (index < 0 || index >= %_TypedArrayGetLength(sta)) { |
| 70 return UNDEFINED; | 71 return UNDEFINED; |
| 71 } | 72 } |
| 72 value = $toNumber(value); | 73 value = ToNumber(value); |
| 73 return %_AtomicsStore(sta, index, value); | 74 return %_AtomicsStore(sta, index, value); |
| 74 } | 75 } |
| 75 | 76 |
| 76 function AtomicsAddJS(ia, index, value) { | 77 function AtomicsAddJS(ia, index, value) { |
| 77 CheckSharedIntegerTypedArray(ia); | 78 CheckSharedIntegerTypedArray(ia); |
| 78 index = $toInteger(index); | 79 index = $toInteger(index); |
| 79 if (index < 0 || index >= %_TypedArrayGetLength(ia)) { | 80 if (index < 0 || index >= %_TypedArrayGetLength(ia)) { |
| 80 return UNDEFINED; | 81 return UNDEFINED; |
| 81 } | 82 } |
| 82 value = $toNumber(value); | 83 value = ToNumber(value); |
| 83 return %_AtomicsAdd(ia, index, value); | 84 return %_AtomicsAdd(ia, index, value); |
| 84 } | 85 } |
| 85 | 86 |
| 86 function AtomicsSubJS(ia, index, value) { | 87 function AtomicsSubJS(ia, index, value) { |
| 87 CheckSharedIntegerTypedArray(ia); | 88 CheckSharedIntegerTypedArray(ia); |
| 88 index = $toInteger(index); | 89 index = $toInteger(index); |
| 89 if (index < 0 || index >= %_TypedArrayGetLength(ia)) { | 90 if (index < 0 || index >= %_TypedArrayGetLength(ia)) { |
| 90 return UNDEFINED; | 91 return UNDEFINED; |
| 91 } | 92 } |
| 92 value = $toNumber(value); | 93 value = ToNumber(value); |
| 93 return %_AtomicsSub(ia, index, value); | 94 return %_AtomicsSub(ia, index, value); |
| 94 } | 95 } |
| 95 | 96 |
| 96 function AtomicsAndJS(ia, index, value) { | 97 function AtomicsAndJS(ia, index, value) { |
| 97 CheckSharedIntegerTypedArray(ia); | 98 CheckSharedIntegerTypedArray(ia); |
| 98 index = $toInteger(index); | 99 index = $toInteger(index); |
| 99 if (index < 0 || index >= %_TypedArrayGetLength(ia)) { | 100 if (index < 0 || index >= %_TypedArrayGetLength(ia)) { |
| 100 return UNDEFINED; | 101 return UNDEFINED; |
| 101 } | 102 } |
| 102 value = $toNumber(value); | 103 value = ToNumber(value); |
| 103 return %_AtomicsAnd(ia, index, value); | 104 return %_AtomicsAnd(ia, index, value); |
| 104 } | 105 } |
| 105 | 106 |
| 106 function AtomicsOrJS(ia, index, value) { | 107 function AtomicsOrJS(ia, index, value) { |
| 107 CheckSharedIntegerTypedArray(ia); | 108 CheckSharedIntegerTypedArray(ia); |
| 108 index = $toInteger(index); | 109 index = $toInteger(index); |
| 109 if (index < 0 || index >= %_TypedArrayGetLength(ia)) { | 110 if (index < 0 || index >= %_TypedArrayGetLength(ia)) { |
| 110 return UNDEFINED; | 111 return UNDEFINED; |
| 111 } | 112 } |
| 112 value = $toNumber(value); | 113 value = ToNumber(value); |
| 113 return %_AtomicsOr(ia, index, value); | 114 return %_AtomicsOr(ia, index, value); |
| 114 } | 115 } |
| 115 | 116 |
| 116 function AtomicsXorJS(ia, index, value) { | 117 function AtomicsXorJS(ia, index, value) { |
| 117 CheckSharedIntegerTypedArray(ia); | 118 CheckSharedIntegerTypedArray(ia); |
| 118 index = $toInteger(index); | 119 index = $toInteger(index); |
| 119 if (index < 0 || index >= %_TypedArrayGetLength(ia)) { | 120 if (index < 0 || index >= %_TypedArrayGetLength(ia)) { |
| 120 return UNDEFINED; | 121 return UNDEFINED; |
| 121 } | 122 } |
| 122 value = $toNumber(value); | 123 value = ToNumber(value); |
| 123 return %_AtomicsXor(ia, index, value); | 124 return %_AtomicsXor(ia, index, value); |
| 124 } | 125 } |
| 125 | 126 |
| 126 function AtomicsExchangeJS(ia, index, value) { | 127 function AtomicsExchangeJS(ia, index, value) { |
| 127 CheckSharedIntegerTypedArray(ia); | 128 CheckSharedIntegerTypedArray(ia); |
| 128 index = $toInteger(index); | 129 index = $toInteger(index); |
| 129 if (index < 0 || index >= %_TypedArrayGetLength(ia)) { | 130 if (index < 0 || index >= %_TypedArrayGetLength(ia)) { |
| 130 return UNDEFINED; | 131 return UNDEFINED; |
| 131 } | 132 } |
| 132 value = $toNumber(value); | 133 value = ToNumber(value); |
| 133 return %_AtomicsExchange(ia, index, value); | 134 return %_AtomicsExchange(ia, index, value); |
| 134 } | 135 } |
| 135 | 136 |
| 136 function AtomicsIsLockFreeJS(size) { | 137 function AtomicsIsLockFreeJS(size) { |
| 137 return %_AtomicsIsLockFree(size); | 138 return %_AtomicsIsLockFree(size); |
| 138 } | 139 } |
| 139 | 140 |
| 140 // Futexes | 141 // Futexes |
| 141 | 142 |
| 142 function AtomicsFutexWaitJS(ia, index, value, timeout) { | 143 function AtomicsFutexWaitJS(ia, index, value, timeout) { |
| 143 CheckSharedInteger32TypedArray(ia); | 144 CheckSharedInteger32TypedArray(ia); |
| 144 index = $toInteger(index); | 145 index = $toInteger(index); |
| 145 if (index < 0 || index >= %_TypedArrayGetLength(ia)) { | 146 if (index < 0 || index >= %_TypedArrayGetLength(ia)) { |
| 146 return UNDEFINED; | 147 return UNDEFINED; |
| 147 } | 148 } |
| 148 if (IS_UNDEFINED(timeout)) { | 149 if (IS_UNDEFINED(timeout)) { |
| 149 timeout = INFINITY; | 150 timeout = INFINITY; |
| 150 } else { | 151 } else { |
| 151 timeout = $toNumber(timeout); | 152 timeout = ToNumber(timeout); |
| 152 if (NUMBER_IS_NAN(timeout)) { | 153 if (NUMBER_IS_NAN(timeout)) { |
| 153 timeout = INFINITY; | 154 timeout = INFINITY; |
| 154 } else { | 155 } else { |
| 155 timeout = MathMax(0, timeout); | 156 timeout = MathMax(0, timeout); |
| 156 } | 157 } |
| 157 } | 158 } |
| 158 return %AtomicsFutexWait(ia, index, value, timeout); | 159 return %AtomicsFutexWait(ia, index, value, timeout); |
| 159 } | 160 } |
| 160 | 161 |
| 161 function AtomicsFutexWakeJS(ia, index, count) { | 162 function AtomicsFutexWakeJS(ia, index, count) { |
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| 210 "or", AtomicsOrJS, | 211 "or", AtomicsOrJS, |
| 211 "xor", AtomicsXorJS, | 212 "xor", AtomicsXorJS, |
| 212 "exchange", AtomicsExchangeJS, | 213 "exchange", AtomicsExchangeJS, |
| 213 "isLockFree", AtomicsIsLockFreeJS, | 214 "isLockFree", AtomicsIsLockFreeJS, |
| 214 "futexWait", AtomicsFutexWaitJS, | 215 "futexWait", AtomicsFutexWaitJS, |
| 215 "futexWake", AtomicsFutexWakeJS, | 216 "futexWake", AtomicsFutexWakeJS, |
| 216 "futexWakeOrRequeue", AtomicsFutexWakeOrRequeueJS, | 217 "futexWakeOrRequeue", AtomicsFutexWakeOrRequeueJS, |
| 217 ]); | 218 ]); |
| 218 | 219 |
| 219 }) | 220 }) |
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