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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 var MathMax; | 15 var MathMax; |
16 var ToNumber; | 16 var ToNumber; |
17 var toStringTagSymbol = utils.ImportNow("to_string_tag_symbol"); | 17 var toStringTagSymbol = utils.ImportNow("to_string_tag_symbol"); |
18 | 18 |
19 utils.Import(function(from) { | 19 utils.Import(function(from) { |
20 MathMax = from.MathMax; | 20 MathMax = from.MathMax; |
21 ToNumber = from.ToNumber; | 21 ToNumber = from.ToNumber; |
22 }); | 22 }); |
23 | 23 |
24 // ------------------------------------------------------------------- | 24 // ------------------------------------------------------------------- |
25 | 25 |
26 | 26 |
27 function CheckSharedTypedArray(sta) { | |
28 if (!%IsSharedTypedArray(sta)) { | |
29 throw MakeTypeError(kNotSharedTypedArray, sta); | |
30 } | |
31 } | |
32 | |
33 function CheckSharedIntegerTypedArray(ia) { | 27 function CheckSharedIntegerTypedArray(ia) { |
34 if (!%IsSharedIntegerTypedArray(ia)) { | 28 if (!%IsSharedIntegerTypedArray(ia)) { |
35 throw MakeTypeError(kNotIntegerSharedTypedArray, ia); | 29 throw MakeTypeError(kNotIntegerSharedTypedArray, ia); |
36 } | 30 } |
37 } | 31 } |
38 | 32 |
39 function CheckSharedInteger32TypedArray(ia) { | 33 function CheckSharedInteger32TypedArray(ia) { |
40 CheckSharedIntegerTypedArray(ia); | 34 CheckSharedIntegerTypedArray(ia); |
41 if (%_ClassOf(ia) !== 'Int32Array') { | 35 if (%_ClassOf(ia) !== 'Int32Array') { |
42 throw MakeTypeError(kNotInt32SharedTypedArray, ia); | 36 throw MakeTypeError(kNotInt32SharedTypedArray, ia); |
43 } | 37 } |
44 } | 38 } |
45 | 39 |
46 //------------------------------------------------------------------- | 40 //------------------------------------------------------------------- |
47 | 41 |
48 function AtomicsCompareExchangeJS(sta, index, oldValue, newValue) { | 42 function AtomicsCompareExchangeJS(sta, index, oldValue, newValue) { |
49 CheckSharedTypedArray(sta); | 43 CheckSharedIntegerTypedArray(sta); |
50 index = $toInteger(index); | 44 index = $toInteger(index); |
51 if (index < 0 || index >= %_TypedArrayGetLength(sta)) { | 45 if (index < 0 || index >= %_TypedArrayGetLength(sta)) { |
52 return UNDEFINED; | 46 return UNDEFINED; |
53 } | 47 } |
54 oldValue = ToNumber(oldValue); | 48 oldValue = ToNumber(oldValue); |
55 newValue = ToNumber(newValue); | 49 newValue = ToNumber(newValue); |
56 return %_AtomicsCompareExchange(sta, index, oldValue, newValue); | 50 return %_AtomicsCompareExchange(sta, index, oldValue, newValue); |
57 } | 51 } |
58 | 52 |
59 function AtomicsLoadJS(sta, index) { | 53 function AtomicsLoadJS(sta, index) { |
60 CheckSharedTypedArray(sta); | 54 CheckSharedIntegerTypedArray(sta); |
61 index = $toInteger(index); | 55 index = $toInteger(index); |
62 if (index < 0 || index >= %_TypedArrayGetLength(sta)) { | 56 if (index < 0 || index >= %_TypedArrayGetLength(sta)) { |
63 return UNDEFINED; | 57 return UNDEFINED; |
64 } | 58 } |
65 return %_AtomicsLoad(sta, index); | 59 return %_AtomicsLoad(sta, index); |
66 } | 60 } |
67 | 61 |
68 function AtomicsStoreJS(sta, index, value) { | 62 function AtomicsStoreJS(sta, index, value) { |
69 CheckSharedTypedArray(sta); | 63 CheckSharedIntegerTypedArray(sta); |
70 index = $toInteger(index); | 64 index = $toInteger(index); |
71 if (index < 0 || index >= %_TypedArrayGetLength(sta)) { | 65 if (index < 0 || index >= %_TypedArrayGetLength(sta)) { |
72 return UNDEFINED; | 66 return UNDEFINED; |
73 } | 67 } |
74 value = ToNumber(value); | 68 value = ToNumber(value); |
75 return %_AtomicsStore(sta, index, value); | 69 return %_AtomicsStore(sta, index, value); |
76 } | 70 } |
77 | 71 |
78 function AtomicsAddJS(ia, index, value) { | 72 function AtomicsAddJS(ia, index, value) { |
79 CheckSharedIntegerTypedArray(ia); | 73 CheckSharedIntegerTypedArray(ia); |
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212 "or", AtomicsOrJS, | 206 "or", AtomicsOrJS, |
213 "xor", AtomicsXorJS, | 207 "xor", AtomicsXorJS, |
214 "exchange", AtomicsExchangeJS, | 208 "exchange", AtomicsExchangeJS, |
215 "isLockFree", AtomicsIsLockFreeJS, | 209 "isLockFree", AtomicsIsLockFreeJS, |
216 "futexWait", AtomicsFutexWaitJS, | 210 "futexWait", AtomicsFutexWaitJS, |
217 "futexWake", AtomicsFutexWakeJS, | 211 "futexWake", AtomicsFutexWakeJS, |
218 "futexWakeOrRequeue", AtomicsFutexWakeOrRequeueJS, | 212 "futexWakeOrRequeue", AtomicsFutexWakeOrRequeueJS, |
219 ]); | 213 ]); |
220 | 214 |
221 }) | 215 }) |
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