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1 /*
2  * Copyright (c) 2022 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #include "ecmascript/builtins/builtins_atomics.h"
17 
18 #include "ecmascript/base/atomic_helper.h"
19 #include "ecmascript/base/typed_array_helper-inl.h"
20 #include "utils/time.h"
21 
22 namespace panda::ecmascript::builtins {
23 using NumberHelper = base::NumberHelper;
24 using AtomicHelper = base::AtomicHelper;
25 using BytesSize = base::BytesSize;
26 using BuiltinsArrayBuffer = builtins::BuiltinsArrayBuffer;
27 
28 WaiterList *g_waitLists = Singleton<WaiterList>::GetInstance();
29 Mutex *g_mutex = Singleton<Mutex>::GetInstance();
30 
31 // 25.4.2 Atomics.add ( typedArray, index, value )
Sub(EcmaRuntimeCallInfo * argv)32 JSTaggedValue BuiltinsAtomics::Sub(EcmaRuntimeCallInfo *argv)
33 {
34     ASSERT(argv);
35     JSThread *thread = argv->GetThread();
36     BUILTINS_API_TRACE(thread, Atomics, Sub);
37     [[maybe_unused]] EcmaHandleScope handleScope(thread);
38     JSHandle<JSTaggedValue> typedArray = GetCallArg(argv, 0);
39     JSHandle<JSTaggedValue> index = GetCallArg(argv, 1);
40     return AtomicReadModifyWrite(thread, typedArray, index, argv, AtomicHelper::SubFun());
41 }
42 
Add(EcmaRuntimeCallInfo * argv)43 JSTaggedValue BuiltinsAtomics::Add(EcmaRuntimeCallInfo *argv)
44 {
45     ASSERT(argv);
46     JSThread *thread = argv->GetThread();
47     BUILTINS_API_TRACE(thread, Atomics, Add);
48     [[maybe_unused]] EcmaHandleScope handleScope(thread);
49     JSHandle<JSTaggedValue> typedArray = GetCallArg(argv, 0);
50     JSHandle<JSTaggedValue> index = GetCallArg(argv, 1);
51     return AtomicReadModifyWrite(thread, typedArray, index, argv, AtomicHelper::AddFun());
52 }
53 
And(EcmaRuntimeCallInfo * argv)54 JSTaggedValue BuiltinsAtomics::And(EcmaRuntimeCallInfo *argv)
55 {
56     ASSERT(argv);
57     JSThread *thread = argv->GetThread();
58     BUILTINS_API_TRACE(thread, Atomics, And);
59     [[maybe_unused]] EcmaHandleScope handleScope(thread);
60     JSHandle<JSTaggedValue> typedArray = GetCallArg(argv, 0);
61     JSHandle<JSTaggedValue> index = GetCallArg(argv, 1);
62     return AtomicReadModifyWrite(thread, typedArray, index, argv, AtomicHelper::AndFun());
63 }
64 
Or(EcmaRuntimeCallInfo * argv)65 JSTaggedValue BuiltinsAtomics::Or(EcmaRuntimeCallInfo *argv)
66 {
67     ASSERT(argv);
68     JSThread *thread = argv->GetThread();
69     BUILTINS_API_TRACE(thread, Atomics, Or);
70     [[maybe_unused]] EcmaHandleScope handleScope(thread);
71     JSHandle<JSTaggedValue> typedArray = GetCallArg(argv, 0);
72     JSHandle<JSTaggedValue> index = GetCallArg(argv, 1);
73     return AtomicReadModifyWrite(thread, typedArray, index, argv, AtomicHelper::OrFun());
74 }
75 
Xor(EcmaRuntimeCallInfo * argv)76 JSTaggedValue BuiltinsAtomics::Xor(EcmaRuntimeCallInfo *argv)
77 {
78     ASSERT(argv);
79     JSThread *thread = argv->GetThread();
80     BUILTINS_API_TRACE(thread, Atomics, Xor);
81     [[maybe_unused]] EcmaHandleScope handleScope(thread);
82     JSHandle<JSTaggedValue> typedArray = GetCallArg(argv, 0);
83     JSHandle<JSTaggedValue> index = GetCallArg(argv, 1);
84     return AtomicReadModifyWrite(thread, typedArray, index, argv, AtomicHelper::XorFun());
85 }
86 
CompareExchange(EcmaRuntimeCallInfo * argv)87 JSTaggedValue BuiltinsAtomics::CompareExchange(EcmaRuntimeCallInfo *argv)
88 {
89     ASSERT(argv);
90     JSThread *thread = argv->GetThread();
91     BUILTINS_API_TRACE(thread, Atomics, CompareExchange);
92     [[maybe_unused]] EcmaHandleScope handleScope(thread);
93     JSHandle<JSTaggedValue> typedArray = GetCallArg(argv, 0);
94     JSHandle<JSTaggedValue> index = GetCallArg(argv, 1);
95     return AtomicReadModifyWrite(thread, typedArray, index, argv, AtomicHelper::CompareExchangeFun());
96 }
97 
Exchange(EcmaRuntimeCallInfo * argv)98 JSTaggedValue BuiltinsAtomics::Exchange(EcmaRuntimeCallInfo *argv)
99 {
100     ASSERT(argv);
101     JSThread *thread = argv->GetThread();
102     BUILTINS_API_TRACE(thread, Atomics, Exchange);
103     [[maybe_unused]] EcmaHandleScope handleScope(thread);
104     JSHandle<JSTaggedValue> typedArray = GetCallArg(argv, 0);
105     JSHandle<JSTaggedValue> index = GetCallArg(argv, 1);
106     return AtomicReadModifyWrite(thread, typedArray, index, argv, AtomicHelper::ExchangeFun());
107 }
108 
Store(EcmaRuntimeCallInfo * argv)109 JSTaggedValue BuiltinsAtomics::Store(EcmaRuntimeCallInfo *argv)
110 {
111     ASSERT(argv);
112     JSThread *thread = argv->GetThread();
113     BUILTINS_API_TRACE(thread, Atomics, Store);
114     [[maybe_unused]] EcmaHandleScope handleScope(thread);
115     JSHandle<JSTaggedValue> typedArray = GetCallArg(argv, 0);
116     JSHandle<JSTaggedValue> index = GetCallArg(argv, 1);
117     JSHandle<JSTaggedValue> value = GetCallArg(argv, BuiltinsBase::ArgsPosition::THIRD);
118     return AtomicHelper::AtomicStore(thread, typedArray, index, value);
119 }
120 
Load(EcmaRuntimeCallInfo * argv)121 JSTaggedValue BuiltinsAtomics::Load(EcmaRuntimeCallInfo *argv)
122 {
123     ASSERT(argv);
124     JSThread *thread = argv->GetThread();
125     BUILTINS_API_TRACE(thread, Atomics, Load);
126     [[maybe_unused]] EcmaHandleScope handleScope(thread);
127     JSHandle<JSTaggedValue> typedArray = GetCallArg(argv, 0);
128     JSHandle<JSTaggedValue> index = GetCallArg(argv, 1);
129     return AtomicHelper::AtomicLoad(thread, typedArray, index);
130 }
131 
IsLockFree(EcmaRuntimeCallInfo * argv)132 JSTaggedValue BuiltinsAtomics::IsLockFree(EcmaRuntimeCallInfo *argv)
133 {
134     ASSERT(argv);
135     JSThread *thread = argv->GetThread();
136     BUILTINS_API_TRACE(thread, Atomics, IsLockFree);
137     [[maybe_unused]] EcmaHandleScope handleScope(thread);
138     JSHandle<JSTaggedValue> sizeTag = GetCallArg(argv, 0);
139     BytesSize size = BytesSize(JSTaggedValue::ToInt32(thread, sizeTag));
140     bool result = false;
141     switch (size) {
142         case BytesSize::ONEBYTES:
143         case BytesSize::TWOBYTES:
144         case BytesSize::FOURBYTES:
145         case BytesSize::EIGHTBYTES:
146             result = true;
147             break;
148         default:
149             result = false;
150             break;
151     }
152     return JSTaggedValue(result);
153 }
154 
155 // 25.4.11 Atomics.wait ( typedArray, index, value, timeout )
Wait(EcmaRuntimeCallInfo * argv)156 JSTaggedValue BuiltinsAtomics::Wait(EcmaRuntimeCallInfo *argv)
157 {
158     ASSERT(argv);
159     JSThread *thread = argv->GetThread();
160     BUILTINS_API_TRACE(thread, Atomics, Wait);
161     [[maybe_unused]] EcmaHandleScope handleScope(thread);
162 
163     JSHandle<JSTaggedValue> array = GetCallArg(argv, 0);
164     JSHandle<JSTaggedValue> index = GetCallArg(argv, 1);
165     JSHandle<JSTaggedValue> value = GetCallArg(argv, BuiltinsBase::ArgsPosition::THIRD);
166     JSHandle<JSTaggedValue> timeout = GetCallArg(argv, BuiltinsBase::ArgsPosition::FOURTH);
167 
168     // 1. Let buffer be ? ValidateIntegerTypedArray(typedArray, true).
169     JSHandle<JSTaggedValue> arrayBuffer(thread, AtomicHelper::ValidateIntegerTypedArray(thread, array, true));
170     RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
171 
172     // 2. If IsSharedArrayBuffer(buffer) is false, throw a TypeError exception.
173     if (!arrayBuffer->IsSharedArrayBuffer()) {
174         THROW_TYPE_ERROR_AND_RETURN(thread, "buffer is not  sharedArrayBuffer.",
175                                     JSTaggedValue::Exception());
176     }
177 
178     // 3. Let indexedPosition be ? ValidateAtomicAccess(typedArray, index).
179     uint32_t indexedPosition = AtomicHelper::ValidateAtomicAccess(thread, array, index);
180     RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
181 
182     // 4. If typedArray.[[TypedArrayName]] is "BigInt64Array", let v be ? ToBigInt64(value).
183     // 5. Otherwise, let v be ? ToInt32(value).
184     int64_t v = 0;
185     if (array->IsJSBigInt64Array()) {
186         v = JSHandle<BigInt>::Cast(value)->ToInt64();
187     } else {
188         v = static_cast<int64_t>(JSTaggedValue::ToInt32(thread, value));
189     }
190     RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
191 
192     // 6. Let q be ? ToNumber(timeout).
193     // 7. If q is NaN or +∞��, let t be +∞; else if q is -∞��, let t be 0; else let t be max(ℝ(q), 0).
194     double t = 0;
195     if (timeout->IsUndefined()) {
196         t = base::POSITIVE_INFINITY;
197     } else {
198         JSTaggedNumber q = JSTaggedValue::ToNumber(thread, timeout);
199         RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
200         t = q.GetNumber();
201         if (NumberHelper::IsNaN(q) || (!NumberHelper::IsFinite(q) && t > 0)) {
202             t = base::POSITIVE_INFINITY;
203         } else if (t < 0) {
204             t = 0;
205         }
206     }
207 
208     // 8. Let B be AgentCanSuspend().
209     // 9. If B is false, throw a TypeError exception.
210     if (!thread->GetEcmaVM()->GetAllowAtomicWait()) {
211         THROW_TYPE_ERROR_AND_RETURN(thread, "vm does not allow wait to block.",
212                                     JSTaggedValue::Exception());
213     }
214     WaitResult res = WaitResult::OK;
215     if (array->IsJSBigInt64Array()) {
216         // AtomicHelper::Wait<int64_t>(thread, arrayBuffer, indexedPosition, v, t);
217         res = DoWait<int64_t>(thread, arrayBuffer, indexedPosition, v, t);
218     } else {
219         // AtomicHelper::Wait<int32_t>(thread, arrayBuffer, indexedPosition, static_cast<int32_t>(v), t);
220         res = DoWait<int32_t>(thread, arrayBuffer, indexedPosition, static_cast<int32_t>(v), t);
221     }
222     const GlobalEnvConstants *globalConst = thread->GlobalConstants();
223     if (res == WaitResult::OK) {
224         return globalConst->GetOkString();
225     } else if (res == WaitResult::NOT_EQ) {
226         return globalConst->GetNotEqualString();
227     }
228     return globalConst->GetTimeoutString();
229 }
230 
231 // 25.4.12 Atomics.notify ( typedArray, index, count )
Notify(EcmaRuntimeCallInfo * argv)232 JSTaggedValue BuiltinsAtomics::Notify(EcmaRuntimeCallInfo *argv)
233 {
234     ASSERT(argv);
235     JSThread *thread = argv->GetThread();
236     BUILTINS_API_TRACE(thread, Atomics, Notify);
237     [[maybe_unused]] EcmaHandleScope handleScope(thread);
238 
239     JSHandle<JSTaggedValue> array = GetCallArg(argv, 0);
240     JSHandle<JSTaggedValue> index = GetCallArg(argv, 1);
241     JSHandle<JSTaggedValue> count = GetCallArg(argv, BuiltinsBase::ArgsPosition::THIRD);
242 
243     // 1. Let buffer be ? ValidateIntegerTypedArray(typedArray, true).
244     JSHandle<JSTaggedValue> arrayBuffer(thread, AtomicHelper::ValidateIntegerTypedArray(thread, array, true));
245     RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
246 
247     // 2. Let indexedPosition be ? ValidateAtomicAccess(typedArray, index).
248     uint32_t indexedPosition = AtomicHelper::ValidateAtomicAccess(thread, array, index);
249     RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
250 
251     // 3. If count is undefined, let c be +∞.
252     // 4. Else,
253     // a. Let intCount be ? ToIntegerOrInfinity(count).
254     // b. Let c be max(intCount, 0).
255     double c = 0;
256     if (count->IsUndefined()) {
257         c = base::POSITIVE_INFINITY;
258     } else {
259         JSTaggedNumber countTemp = JSTaggedValue::ToNumber(thread, count);
260         RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
261         c = base::NumberHelper::TruncateDouble(countTemp.GetNumber());
262         c = c < 0 ? 0 : c;
263     }
264     // 6. If IsSharedArrayBuffer(buffer) is false, return +0��.
265     if (!arrayBuffer->IsSharedArrayBuffer()) {
266         return JSTaggedValue(0);
267     }
268     return JSTaggedValue(Signal(arrayBuffer, indexedPosition, c));
269 }
270 
271 template<typename callbackfun>
AtomicReadModifyWrite(JSThread * thread,const JSHandle<JSTaggedValue> & typedArray,JSHandle<JSTaggedValue> & index,EcmaRuntimeCallInfo * argv,const callbackfun & op)272 JSTaggedValue BuiltinsAtomics::AtomicReadModifyWrite(JSThread *thread, const JSHandle<JSTaggedValue> &typedArray,
273                                                      JSHandle<JSTaggedValue> &index, EcmaRuntimeCallInfo *argv,
274                                                      const callbackfun &op)
275 {
276     if (!typedArray->IsTypedArray()) {
277         THROW_TYPE_ERROR_AND_RETURN(argv->GetThread(), "This is not a TypedArray.", JSTaggedValue::Exception());
278     }
279     // 1. Let buffer be ? ValidateIntegerTypedArray(typedArray).
280     JSTaggedValue bufferValue = base::AtomicHelper::ValidateIntegerTypedArray(thread, typedArray);
281     RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
282     JSHandle<JSTaggedValue> buffer(thread, bufferValue);
283     // 2. Let indexedPosition be ? ValidateAtomicAccess(typedArray, index).
284     uint32_t indexedPosition = base::AtomicHelper::ValidateAtomicAccess(thread, typedArray, index);
285     RETURN_EXCEPTION_IF_ABRUPT_COMPLETION(thread);
286     // 3. Let arrayTypeName be typedArray.[[TypedArrayName]].
287     JSHandle<JSTaggedValue> arrayTypeName(thread,
288                                           JSTypedArray::Cast(typedArray->GetTaggedObject())->GetTypedArrayName());
289     if (BuiltinsArrayBuffer::IsDetachedBuffer(buffer.GetTaggedValue())) {
290         THROW_TYPE_ERROR_AND_RETURN(thread, "The ArrayBuffer of this value is detached buffer.",
291                                     JSTaggedValue::Exception());
292     }
293     // 7. NOTE: The above check is not redundant with the check in ValidateIntegerTypedArray because the call to
294     // ToBigInt or ToIntegerOrInfinity on the preceding lines can have arbitrary side effects, which could cause the
295     // buffer to become detached.
296     // 8. Let elementType be the Element Type value in Table 60 for arrayTypeName.
297     DataViewType elementType = JSTypedArray::GetTypeFromName(thread, arrayTypeName);
298     // 9. Return GetModifySetValueInBuffer(buffer, indexedPosition, elementType, v, op).
299     return AtomicReadModifyWriteCase(thread, buffer.GetTaggedValue(), elementType, indexedPosition, argv, op);
300 }
301 
302 template<typename callbackfun>
AtomicReadModifyWriteCase(JSThread * thread,JSTaggedValue arrBuf,DataViewType type,uint32_t indexedPosition,EcmaRuntimeCallInfo * argv,const callbackfun & op)303 JSTaggedValue BuiltinsAtomics::AtomicReadModifyWriteCase(JSThread *thread, JSTaggedValue arrBuf,
304                                                          DataViewType type, uint32_t indexedPosition,
305                                                          EcmaRuntimeCallInfo *argv, const callbackfun &op)
306 {
307     void *pointer = BuiltinsArrayBuffer::GetDataPointFromBuffer(arrBuf);
308     uint8_t *block = reinterpret_cast<uint8_t *>(pointer);
309     uint32_t size = argv->GetArgsNumber();
310     switch (type) {
311         case DataViewType::UINT8:
312             return HandleWithUint8(thread, size, block, indexedPosition, argv, op);
313         case DataViewType::INT8:
314             return HandleWithInt8(thread, size, block, indexedPosition, argv, op);
315         case DataViewType::UINT16:
316             return HandleWithUint16(thread, size, block, indexedPosition, argv, op);
317         case DataViewType::INT16:
318             return HandleWithInt16(thread, size, block, indexedPosition, argv, op);
319         case DataViewType::UINT32:
320             return HandleWithUint32(thread, size, block, indexedPosition, argv, op);
321         case DataViewType::INT32:
322             return HandleWithInt32(thread, size, block, indexedPosition, argv, op);
323         case DataViewType::BIGINT64:
324             return HandleWithBigInt64(thread, size, block, indexedPosition, argv, op);
325         case DataViewType::BIGUINT64:
326             return HandleWithBigUint64(thread, size, block, indexedPosition, argv, op);
327         default:
328             break;
329     }
330     UNREACHABLE();
331 }
332 
333 template<typename callbackfun>
HandleWithUint8(JSThread * thread,uint32_t size,uint8_t * block,uint32_t indexedPosition,EcmaRuntimeCallInfo * argv,const callbackfun & op)334 JSTaggedValue BuiltinsAtomics::HandleWithUint8(JSThread *thread, uint32_t size, uint8_t *block,
335                                                uint32_t indexedPosition,
336                                                EcmaRuntimeCallInfo *argv, const callbackfun &op)
337 {
338     JSHandle<JSTaggedValue> value = BuiltinsBase::GetCallArg(argv, BuiltinsBase::ArgsPosition::THIRD);
339     uint8_t tag = JSTaggedValue::ToUint8(thread, value);
340     if (size == 3) { // the number of parameters is 3
341         auto result = op((block + indexedPosition), &tag);
342         return BuiltinsBase::GetTaggedInt(result);
343     }
344     JSHandle<JSTaggedValue> newValue = BuiltinsBase::GetCallArg(argv, BuiltinsBase::ArgsPosition::FOURTH);
345     uint8_t newTag = JSTaggedValue::ToUint8(thread, newValue);
346     uint8_t arg[ARGS_NUMBER] = {0};
347     arg[0] = tag;
348     arg[1] = newTag;
349     auto result = op((block + indexedPosition), arg);
350     return JSTaggedValue(result);
351 }
352 
353 template<typename callbackfun>
HandleWithInt8(JSThread * thread,uint32_t size,uint8_t * block,uint32_t indexedPosition,EcmaRuntimeCallInfo * argv,const callbackfun & op)354 JSTaggedValue BuiltinsAtomics::HandleWithInt8(JSThread *thread, uint32_t size, uint8_t *block,
355                                               uint32_t indexedPosition,
356                                               EcmaRuntimeCallInfo *argv, const callbackfun &op)
357 {
358     JSHandle<JSTaggedValue> value = BuiltinsBase::GetCallArg(argv, BuiltinsBase::ArgsPosition::THIRD);
359     int8_t tag = JSTaggedValue::ToInt8(thread, value);
360     if (size == 3) { // the number of parameters is 3
361         auto result = op(reinterpret_cast<int8_t *>(block + indexedPosition), &tag);
362         return BuiltinsBase::GetTaggedInt(result);
363     }
364     JSHandle<JSTaggedValue> newValue = BuiltinsBase::GetCallArg(argv, BuiltinsBase::ArgsPosition::FOURTH);
365     int8_t newTag = JSTaggedValue::ToInt8(thread, newValue);
366     int8_t arg[ARGS_NUMBER] = {0};
367     arg[0] = tag;
368     arg[1] = newTag;
369     auto result = op(reinterpret_cast<int8_t *>(block + indexedPosition), arg);
370     return JSTaggedValue(result);
371 }
372 
373 template<typename callbackfun>
HandleWithUint16(JSThread * thread,uint32_t size,uint8_t * block,uint32_t indexedPosition,EcmaRuntimeCallInfo * argv,const callbackfun & op)374 JSTaggedValue BuiltinsAtomics::HandleWithUint16(JSThread *thread, uint32_t size, uint8_t *block,
375                                                 uint32_t indexedPosition,
376                                                 EcmaRuntimeCallInfo *argv, const callbackfun &op)
377 {
378     JSHandle<JSTaggedValue> value = BuiltinsBase::GetCallArg(argv, BuiltinsBase::ArgsPosition::THIRD);
379     uint16_t tag = JSTaggedValue::ToUint16(thread, value);
380     if (size == 3) { // the number of parameters is 3
381         auto result = op(reinterpret_cast<uint16_t *>(block + indexedPosition), &tag);
382         return BuiltinsBase::GetTaggedInt(result);
383     }
384     JSHandle<JSTaggedValue> newValue = BuiltinsBase::GetCallArg(argv, BuiltinsBase::ArgsPosition::FOURTH);
385     uint16_t newTag = JSTaggedValue::ToUint16(thread, newValue);
386     uint16_t arg[ARGS_NUMBER] = {0};
387     arg[0] = tag;
388     arg[1] = newTag;
389     auto result = op(reinterpret_cast<uint16_t *>(block + indexedPosition), arg);
390     return JSTaggedValue(result);
391 }
392 
393 template<typename callbackfun>
HandleWithInt16(JSThread * thread,uint32_t size,uint8_t * block,uint32_t indexedPosition,EcmaRuntimeCallInfo * argv,const callbackfun & op)394 JSTaggedValue BuiltinsAtomics::HandleWithInt16(JSThread *thread, uint32_t size, uint8_t *block,
395                                                uint32_t indexedPosition,
396                                                EcmaRuntimeCallInfo *argv, const callbackfun &op)
397 {
398     JSHandle<JSTaggedValue> value = BuiltinsBase::GetCallArg(argv, BuiltinsBase::ArgsPosition::THIRD);
399     int16_t tag = JSTaggedValue::ToInt16(thread, value);
400     if (size == 3) { // the number of parameters is 3
401         auto result = op(reinterpret_cast<int16_t *>(block + indexedPosition), &tag);
402         return BuiltinsBase::GetTaggedInt(result);
403     }
404     JSHandle<JSTaggedValue> newValue = BuiltinsBase::GetCallArg(argv, BuiltinsBase::ArgsPosition::FOURTH);
405     int16_t newTag = JSTaggedValue::ToInt16(thread, newValue);
406     int16_t arg[ARGS_NUMBER] = {0};
407     arg[0] = tag;
408     arg[1] = newTag;
409     auto result = op(reinterpret_cast<int16_t *>(block + indexedPosition), arg);
410     return JSTaggedValue(result);
411 }
412 
413 template<typename callbackfun>
HandleWithUint32(JSThread * thread,uint32_t size,uint8_t * block,uint32_t indexedPosition,EcmaRuntimeCallInfo * argv,const callbackfun & op)414 JSTaggedValue BuiltinsAtomics::HandleWithUint32(JSThread *thread, uint32_t size, uint8_t *block,
415                                                 uint32_t indexedPosition,
416                                                 EcmaRuntimeCallInfo *argv, const callbackfun &op)
417 {
418     JSHandle<JSTaggedValue> value = BuiltinsBase::GetCallArg(argv, BuiltinsBase::ArgsPosition::THIRD);
419     uint32_t tag = JSTaggedValue::ToUint32(thread, value);
420     if (size == 3) { // the number of parameters is 3
421         auto result = op(reinterpret_cast<uint32_t *>(block + indexedPosition), &tag);
422         return JSTaggedValue(result);
423     }
424     JSHandle<JSTaggedValue> newValue = BuiltinsBase::GetCallArg(argv, BuiltinsBase::ArgsPosition::FOURTH);
425     uint32_t newTag = JSTaggedValue::ToUint32(thread, newValue);
426     uint32_t arg[ARGS_NUMBER] = {0};
427     arg[0] = tag;
428     arg[1] = newTag;
429     auto result = op(reinterpret_cast<uint32_t *>(block + indexedPosition), arg);
430     return JSTaggedValue(result);
431 }
432 
433 template<typename callbackfun>
HandleWithInt32(JSThread * thread,uint32_t size,uint8_t * block,uint32_t indexedPosition,EcmaRuntimeCallInfo * argv,const callbackfun & op)434 JSTaggedValue BuiltinsAtomics::HandleWithInt32(JSThread *thread, uint32_t size, uint8_t *block,
435                                                uint32_t indexedPosition,
436                                                EcmaRuntimeCallInfo *argv, const callbackfun &op)
437 {
438     JSHandle<JSTaggedValue> value = BuiltinsBase::GetCallArg(argv, BuiltinsBase::ArgsPosition::THIRD);
439     int32_t tag = JSTaggedValue::ToInt32(thread, value);
440     if (size == 3) { // the number of parameters is 3
441         auto result = op(reinterpret_cast<int32_t *>(block + indexedPosition), &tag);
442         return BuiltinsBase::GetTaggedInt(result);
443     }
444     JSHandle<JSTaggedValue> newValue = BuiltinsBase::GetCallArg(argv, BuiltinsBase::ArgsPosition::FOURTH);
445     int32_t newTag = JSTaggedValue::ToInt32(thread, newValue);
446     int32_t arg[ARGS_NUMBER] = {0};
447     arg[0] = tag;
448     arg[1] = newTag;
449     auto result = op(reinterpret_cast<int32_t *>(block + indexedPosition), arg);
450     return JSTaggedValue(result);
451 }
452 
453 template<typename callbackfun>
HandleWithBigInt64(JSThread * thread,uint32_t size,uint8_t * block,uint32_t indexedPosition,EcmaRuntimeCallInfo * argv,const callbackfun & op)454 JSTaggedValue BuiltinsAtomics::HandleWithBigInt64(JSThread *thread, uint32_t size, uint8_t *block,
455                                                   uint32_t indexedPosition,
456                                                   EcmaRuntimeCallInfo *argv, const callbackfun &op)
457 {
458     JSHandle<JSTaggedValue> value = BuiltinsBase::GetCallArg(argv, BuiltinsBase::ArgsPosition::THIRD);
459     int64_t val = 0;
460     bool lossless = true;
461     BigInt::BigIntToInt64(thread, value, &val, &lossless);
462     if (size == 3) { // the number of parameters is 3
463         auto result = op(reinterpret_cast<int64_t *>(block + indexedPosition), &val);
464         return BigInt::Int64ToBigInt(thread, result).GetTaggedValue();
465     }
466     JSHandle<JSTaggedValue> newValue = BuiltinsBase::GetCallArg(argv, BuiltinsBase::ArgsPosition::FOURTH);
467     int64_t newVal = 0;
468     BigInt::BigIntToInt64(thread, newValue, &newVal, &lossless);
469     int64_t arg[ARGS_NUMBER] = {0};
470     arg[0] = val;
471     arg[1] = newVal;
472     auto result = op(reinterpret_cast<int64_t *>(block + indexedPosition), arg);
473     return BigInt::Int64ToBigInt(thread, result).GetTaggedValue();
474 }
475 
476 template<typename callbackfun>
HandleWithBigUint64(JSThread * thread,uint32_t size,uint8_t * block,uint32_t indexedPosition,EcmaRuntimeCallInfo * argv,const callbackfun & op)477 JSTaggedValue BuiltinsAtomics::HandleWithBigUint64(JSThread *thread, uint32_t size, uint8_t *block,
478                                                    uint32_t indexedPosition,
479                                                    EcmaRuntimeCallInfo *argv, const callbackfun &op)
480 {
481     JSHandle<JSTaggedValue> value = BuiltinsBase::GetCallArg(argv, BuiltinsBase::ArgsPosition::THIRD);
482     uint64_t val = 0;
483     bool lossless = true;
484     BigInt::BigIntToUint64(thread, value, &val, &lossless);
485     if (size == 3) { // the number of parameters is 3
486         auto result = op(reinterpret_cast<uint64_t *>(block + indexedPosition), &val);
487         return BigInt::Uint64ToBigInt(thread, result).GetTaggedValue();
488     }
489     JSHandle<JSTaggedValue> newValue = BuiltinsBase::GetCallArg(argv, BuiltinsBase::ArgsPosition::FOURTH);
490     uint64_t newVal = 0;
491     BigInt::BigIntToUint64(thread, newValue, &newVal, &lossless);
492     uint64_t arg[ARGS_NUMBER] = {0};
493     arg[0] = val;
494     arg[1] = newVal;
495     auto result = op(reinterpret_cast<uint64_t *>(block + indexedPosition), arg);
496     return BigInt::Uint64ToBigInt(thread, result).GetTaggedValue();
497 }
498 
499 template <typename T>
DoWait(JSThread * thread,JSHandle<JSTaggedValue> & arrayBuffer,size_t index,T execpt,double timeout)500 WaitResult BuiltinsAtomics::DoWait(JSThread *thread, JSHandle<JSTaggedValue> &arrayBuffer,
501                                    size_t index, T execpt, double timeout)
502 {
503     MutexGuard lock_guard(g_mutex);
504     void *buffer = BuiltinsArrayBuffer::GetDataPointFromBuffer(arrayBuffer.GetTaggedValue());
505     ASSERT(buffer != nullptr);
506     WaiterListNode *node = thread->GetEcmaVM()->GetWaiterListNode();
507     node->date_ = buffer;
508     node->index_ = index;
509     node->waitPointer_ = reinterpret_cast<int8_t*>(buffer) + index;
510     node->waiting_ = true;
511     std::atomic<T> *atomicValue = reinterpret_cast<std::atomic<T> *>(node->waitPointer_);
512     T value = atomicValue->load();
513     if (value != execpt) {
514         return WaitResult::NOT_EQ;
515     }
516     g_waitLists->AddNode(node);
517     uint64_t currentTime = 0;
518     uint64_t timeoutTime = 0;
519     bool hasTimeout = timeout != base::POSITIVE_INFINITY;
520     if (hasTimeout) {
521         currentTime = time::GetCurrentTimeInMillis();
522         timeoutTime = currentTime + static_cast<uint64_t>(timeout);
523     }
524     WaitResult res = WaitResult::OK;
525     while (true) {
526         if (!node->waiting_) {
527             res = WaitResult::OK;
528             break;
529         }
530         if (hasTimeout) {
531             currentTime = time::GetCurrentTimeInMillis();
532             if (currentTime >= timeoutTime) {
533                 res = WaitResult::TIME_OUT;
534                 break;
535             }
536             uint64_t untilTime = timeoutTime - currentTime;
537             ASSERT(untilTime != 0);
538 
539             node->cond_.TimedWait(g_mutex, untilTime);
540         } else {
541             node->cond_.Wait(g_mutex);
542         }
543     }
544     g_waitLists->DeleteNode(node);
545     node->waiting_ = false;
546     return res;
547 }
548 
Signal(JSHandle<JSTaggedValue> & arrayBuffer,const size_t & index,double wakeCount)549 uint32_t BuiltinsAtomics::Signal(JSHandle<JSTaggedValue> &arrayBuffer, const size_t &index, double wakeCount)
550 {
551     void *buffer = BuiltinsArrayBuffer::GetDataPointFromBuffer(arrayBuffer.GetTaggedValue());
552     ASSERT(buffer != nullptr);
553     MutexGuard lock_guard(g_mutex);
554     auto &locationListMap = g_waitLists->locationListMap_;
555     auto iter = locationListMap.find(reinterpret_cast<int8_t *>(buffer) + index);
556     if (iter == locationListMap.end()) {
557         return 0;
558     }
559     WaiterListNode *node = iter->second.pHead;
560     uint32_t wokenUpCount = 0;
561     while (node != nullptr && wakeCount > 0.0) {
562         if (!node->waiting_) {
563             node = node->next_;
564             continue;
565         }
566         if (buffer == node->date_) {
567             ASSERT(index == node->index_);
568             node->waiting_ = false;
569 
570             WaiterListNode *oldNode = node;
571             node = node->next_;
572             oldNode->cond_.Signal();
573             if (wakeCount != base::POSITIVE_INFINITY) {
574                 wakeCount--;
575             }
576             wokenUpCount++;
577             continue;
578         }
579         node = node->next_;
580     }
581     return wokenUpCount;
582 }
583 } // namespace panda::ecmascript::builtins
584