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1 // Copyright 2016 the V8 project authors. All rights reserved. | 1 // Copyright 2016 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 #include "src/code-stub-assembler.h" | 4 #include "src/code-stub-assembler.h" |
5 #include "src/code-factory.h" | 5 #include "src/code-factory.h" |
6 #include "src/frames-inl.h" | 6 #include "src/frames-inl.h" |
7 #include "src/frames.h" | 7 #include "src/frames.h" |
8 | 8 |
9 namespace v8 { | 9 namespace v8 { |
10 namespace internal { | 10 namespace internal { |
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8308 shared_info); | 8308 shared_info); |
8309 StoreObjectFieldNoWriteBarrier(fun, JSFunction::kContextOffset, context); | 8309 StoreObjectFieldNoWriteBarrier(fun, JSFunction::kContextOffset, context); |
8310 StoreObjectFieldNoWriteBarrier(fun, JSFunction::kCodeEntryOffset, code_entry, | 8310 StoreObjectFieldNoWriteBarrier(fun, JSFunction::kCodeEntryOffset, code_entry, |
8311 MachineType::PointerRepresentation()); | 8311 MachineType::PointerRepresentation()); |
8312 StoreObjectFieldRoot(fun, JSFunction::kNextFunctionLinkOffset, | 8312 StoreObjectFieldRoot(fun, JSFunction::kNextFunctionLinkOffset, |
8313 Heap::kUndefinedValueRootIndex); | 8313 Heap::kUndefinedValueRootIndex); |
8314 | 8314 |
8315 return fun; | 8315 return fun; |
8316 } | 8316 } |
8317 | 8317 |
8318 Node* CodeStubAssembler::AllocateJSPromise(Node* context) { | 8318 Node* CodeStubAssembler::AllocateAndInitJSPromise(Node* context) { |
8319 Node* const native_context = LoadNativeContext(context); | 8319 Node* const native_context = LoadNativeContext(context); |
8320 Node* const promise_fun = | 8320 Node* const promise_fun = |
8321 LoadContextElement(native_context, Context::PROMISE_FUNCTION_INDEX); | 8321 LoadContextElement(native_context, Context::PROMISE_FUNCTION_INDEX); |
8322 Node* const initial_map = | 8322 Node* const initial_map = |
8323 LoadObjectField(promise_fun, JSFunction::kPrototypeOrInitialMapOffset); | 8323 LoadObjectField(promise_fun, JSFunction::kPrototypeOrInitialMapOffset); |
8324 Node* const instance = AllocateJSObjectFromMap(initial_map); | 8324 Node* const promise = AllocateJSObjectFromMap(initial_map); |
| 8325 StoreObjectFieldNoWriteBarrier(promise, JSPromise::kStatusOffset, |
| 8326 SmiConstant(v8::Promise::kPending)); |
| 8327 StoreObjectFieldNoWriteBarrier(promise, JSPromise::kFlagsOffset, |
| 8328 SmiConstant(0)); |
8325 | 8329 |
8326 return instance; | 8330 return promise; |
8327 } | 8331 } |
8328 | 8332 |
8329 void CodeStubAssembler::PromiseInit(Node* promise) { | 8333 Node* CodeStubAssembler::AllocateAndSetJSPromise(Node* context, Node* status, |
| 8334 Node* result) { |
| 8335 Node* const native_context = LoadNativeContext(context); |
| 8336 Node* const promise_fun = |
| 8337 LoadContextElement(native_context, Context::PROMISE_FUNCTION_INDEX); |
| 8338 Node* const initial_map = |
| 8339 LoadObjectField(promise_fun, JSFunction::kPrototypeOrInitialMapOffset); |
| 8340 Node* const promise = AllocateJSObjectFromMap(initial_map); |
| 8341 |
| 8342 CSA_ASSERT(this, TaggedIsSmi(status)); |
| 8343 |
| 8344 StoreObjectFieldNoWriteBarrier(promise, JSPromise::kStatusOffset, status); |
| 8345 StoreObjectFieldNoWriteBarrier(promise, JSPromise::kResultOffset, result); |
| 8346 StoreObjectFieldNoWriteBarrier(promise, JSPromise::kFlagsOffset, |
| 8347 SmiConstant(0)); |
| 8348 |
| 8349 return promise; |
| 8350 } |
| 8351 |
| 8352 void CodeStubAssembler::JSPromiseInit(Node* promise) { |
8330 StoreObjectField(promise, JSPromise::kStatusOffset, | 8353 StoreObjectField(promise, JSPromise::kStatusOffset, |
8331 SmiConstant(v8::Promise::kPending)); | 8354 SmiConstant(v8::Promise::kPending)); |
8332 StoreObjectField(promise, JSPromise::kFlagsOffset, SmiConstant(0)); | 8355 StoreObjectField(promise, JSPromise::kFlagsOffset, SmiConstant(0)); |
8333 } | 8356 } |
8334 | 8357 |
8335 void CodeStubAssembler::PromiseSet(Node* promise, Node* status, Node* result) { | |
8336 CSA_ASSERT(this, TaggedIsSmi(status)); | |
8337 StoreObjectField(promise, JSPromise::kStatusOffset, status); | |
8338 StoreObjectField(promise, JSPromise::kResultOffset, result); | |
8339 StoreObjectField(promise, JSPromise::kFlagsOffset, SmiConstant(0)); | |
8340 } | |
8341 | |
8342 Node* CodeStubAssembler::AllocatePromiseReactionJobInfo( | 8358 Node* CodeStubAssembler::AllocatePromiseReactionJobInfo( |
8343 Node* promise, Node* value, Node* tasks, Node* deferred_promise, | 8359 Node* promise, Node* value, Node* tasks, Node* deferred_promise, |
8344 Node* deferred_on_resolve, Node* deferred_on_reject, Node* context) { | 8360 Node* deferred_on_resolve, Node* deferred_on_reject, Node* context) { |
8345 Node* const result = Allocate(PromiseReactionJobInfo::kSize); | 8361 Node* const result = Allocate(PromiseReactionJobInfo::kSize); |
8346 StoreMapNoWriteBarrier(result, Heap::kPromiseReactionJobInfoMapRootIndex); | 8362 StoreMapNoWriteBarrier(result, Heap::kPromiseReactionJobInfoMapRootIndex); |
8347 StoreObjectFieldNoWriteBarrier(result, PromiseReactionJobInfo::kValueOffset, | 8363 StoreObjectFieldNoWriteBarrier(result, PromiseReactionJobInfo::kValueOffset, |
8348 value); | 8364 value); |
8349 StoreObjectFieldNoWriteBarrier(result, PromiseReactionJobInfo::kPromiseOffset, | 8365 StoreObjectFieldNoWriteBarrier(result, PromiseReactionJobInfo::kPromiseOffset, |
8350 promise); | 8366 promise); |
8351 StoreObjectFieldNoWriteBarrier(result, PromiseReactionJobInfo::kTasksOffset, | 8367 StoreObjectFieldNoWriteBarrier(result, PromiseReactionJobInfo::kTasksOffset, |
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8362 Heap::kUndefinedValueRootIndex); | 8378 Heap::kUndefinedValueRootIndex); |
8363 StoreObjectFieldRoot(result, PromiseReactionJobInfo::kDebugNameOffset, | 8379 StoreObjectFieldRoot(result, PromiseReactionJobInfo::kDebugNameOffset, |
8364 Heap::kUndefinedValueRootIndex); | 8380 Heap::kUndefinedValueRootIndex); |
8365 StoreObjectFieldNoWriteBarrier(result, PromiseReactionJobInfo::kContextOffset, | 8381 StoreObjectFieldNoWriteBarrier(result, PromiseReactionJobInfo::kContextOffset, |
8366 context); | 8382 context); |
8367 return result; | 8383 return result; |
8368 } | 8384 } |
8369 | 8385 |
8370 } // namespace internal | 8386 } // namespace internal |
8371 } // namespace v8 | 8387 } // namespace v8 |
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