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// Copyright 2017 the V8 project authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "src/builtins/builtins-wasm-gen.h"
#include "src/builtins/builtins-utils-gen.h"
#include "src/codegen/code-stub-assembler.h"
#include "src/codegen/interface-descriptors.h"
#include "src/objects/objects-inl.h"
#include "src/wasm/wasm-objects.h"
namespace v8 {
namespace internal {
TNode<WasmInstanceObject> WasmBuiltinsAssembler::LoadInstanceFromFrame() {
return CAST(LoadFromParentFrame(WasmFrameConstants::kWasmInstanceOffset));
}
TNode<NativeContext> WasmBuiltinsAssembler::LoadContextFromInstance(
TNode<WasmInstanceObject> instance) {
return CAST(Load(MachineType::AnyTagged(), instance,
IntPtrConstant(WasmInstanceObject::kNativeContextOffset -
kHeapObjectTag)));
}
TNode<FixedArray> WasmBuiltinsAssembler::LoadTablesFromInstance(
TNode<WasmInstanceObject> instance) {
return LoadObjectField<FixedArray>(instance,
WasmInstanceObject::kTablesOffset);
}
TNode<FixedArray> WasmBuiltinsAssembler::LoadInternalFunctionsFromInstance(
TNode<WasmInstanceObject> instance) {
return LoadObjectField<FixedArray>(
instance, WasmInstanceObject::kWasmInternalFunctionsOffset);
}
TNode<FixedArray> WasmBuiltinsAssembler::LoadManagedObjectMapsFromInstance(
TNode<WasmInstanceObject> instance) {
return LoadObjectField<FixedArray>(
instance, WasmInstanceObject::kManagedObjectMapsOffset);
}
TF_BUILTIN(WasmFloat32ToNumber, WasmBuiltinsAssembler) {
auto val = UncheckedParameter<Float32T>(Descriptor::kValue);
Return(ChangeFloat32ToTagged(val));
}
TF_BUILTIN(WasmFloat64ToNumber, WasmBuiltinsAssembler) {
auto val = UncheckedParameter<Float64T>(Descriptor::kValue);
Return(ChangeFloat64ToTagged(val));
}
TF_BUILTIN(JSToWasmLazyDeoptContinuation, WasmBuiltinsAssembler) {
// Reset thread_in_wasm_flag.
TNode<ExternalReference> thread_in_wasm_flag_address_address =
ExternalConstant(
ExternalReference::thread_in_wasm_flag_address_address(isolate()));
auto thread_in_wasm_flag_address =
Load<RawPtrT>(thread_in_wasm_flag_address_address);
StoreNoWriteBarrier(MachineRepresentation::kWord32,
thread_in_wasm_flag_address, Int32Constant(0));
// Return the argument.
auto value = Parameter<Object>(Descriptor::kArgument);
Return(value);
}
} // namespace internal
} // namespace v8
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