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