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// Copyright 2018 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.
#ifndef V8_BUILTINS_BUILTINS_TYPED_ARRAY_GEN_H_
#define V8_BUILTINS_BUILTINS_TYPED_ARRAY_GEN_H_
#include "src/codegen/code-stub-assembler.h"
namespace v8 {
namespace internal {
class TypedArrayBuiltinsAssembler : public CodeStubAssembler {
public:
using ElementsInfo = TorqueStructTypedArrayElementsInfo;
explicit TypedArrayBuiltinsAssembler(compiler::CodeAssemblerState* state)
: CodeStubAssembler(state) {}
void SetupTypedArrayEmbedderFields(TNode<JSTypedArray> holder);
void AttachBuffer(TNode<JSTypedArray> holder, TNode<JSArrayBuffer> buffer,
TNode<Map> map, TNode<Smi> length,
TNode<UintPtrT> byte_offset);
TNode<JSArrayBuffer> AllocateEmptyOnHeapBuffer(TNode<Context> context);
TNode<Map> LoadMapForType(TNode<JSTypedArray> array);
TNode<BoolT> IsMockArrayBufferAllocatorFlag();
TNode<UintPtrT> CalculateExternalPointer(TNode<UintPtrT> backing_store,
TNode<UintPtrT> byte_offset);
// Returns true if kind is either UINT8_ELEMENTS, UINT8_CLAMPED_ELEMENTS,
// RAB_GSAB_UINT8_ELEMENTS, or RAB_GSAB_UINT8_CLAMPED_ELEMENTS.
TNode<BoolT> IsUint8ElementsKind(TNode<Int32T> kind);
// Returns true if kind is either BIGINT64_ELEMENTS, BIGUINT64_ELEMENTS,
// RAB_GSAB_BIGINT64_ELEMENTS, or RAB_GSAB_BIGUINT64_ELEMENTS.
TNode<BoolT> IsBigInt64ElementsKind(TNode<Int32T> kind);
// Returns the byte size of an element for a TypedArray elements kind.
TNode<IntPtrT> GetTypedArrayElementSize(TNode<Int32T> elements_kind);
// Returns information (byte size and map) about a TypedArray's elements.
ElementsInfo GetTypedArrayElementsInfo(TNode<JSTypedArray> typed_array);
ElementsInfo GetTypedArrayElementsInfo(TNode<Map> map);
TNode<JSFunction> GetDefaultConstructor(TNode<Context> context,
TNode<JSTypedArray> exemplar);
TNode<JSTypedArray> ValidateTypedArray(TNode<Context> context,
TNode<Object> obj,
const char* method_name);
TNode<UintPtrT> ValidateTypedArrayAndGetLength(TNode<Context> context,
TNode<Object> obj,
const char* method_name);
void CallCMemmove(TNode<RawPtrT> dest_ptr, TNode<RawPtrT> src_ptr,
TNode<UintPtrT> byte_length);
void CallCRelaxedMemmove(TNode<RawPtrT> dest_ptr, TNode<RawPtrT> src_ptr,
TNode<UintPtrT> byte_length);
void CallCMemcpy(TNode<RawPtrT> dest_ptr, TNode<RawPtrT> src_ptr,
TNode<UintPtrT> byte_length);
void CallCRelaxedMemcpy(TNode<RawPtrT> dest_ptr, TNode<RawPtrT> src_ptr,
TNode<UintPtrT> byte_length);
void CallCMemset(TNode<RawPtrT> dest_ptr, TNode<IntPtrT> value,
TNode<UintPtrT> length);
void CallCCopyFastNumberJSArrayElementsToTypedArray(
TNode<Context> context, TNode<JSArray> source, TNode<JSTypedArray> dest,
TNode<UintPtrT> source_length, TNode<UintPtrT> offset);
void CallCCopyTypedArrayElementsToTypedArray(TNode<JSTypedArray> source,
TNode<JSTypedArray> dest,
TNode<UintPtrT> source_length,
TNode<UintPtrT> offset);
void CallCCopyTypedArrayElementsSlice(TNode<JSTypedArray> source,
TNode<JSTypedArray> dest,
TNode<UintPtrT> start,
TNode<UintPtrT> end);
using TypedArraySwitchCase = std::function<void(ElementsKind, int, int)>;
void DispatchTypedArrayByElementsKind(
TNode<Word32T> elements_kind, const TypedArraySwitchCase& case_function);
void SetJSTypedArrayOnHeapDataPtr(TNode<JSTypedArray> holder,
TNode<ByteArray> base,
TNode<UintPtrT> offset);
void SetJSTypedArrayOffHeapDataPtr(TNode<JSTypedArray> holder,
TNode<RawPtrT> base,
TNode<UintPtrT> offset);
void StoreJSTypedArrayElementFromNumeric(TNode<Context> context,
TNode<JSTypedArray> typed_array,
TNode<UintPtrT> index_node,
TNode<Numeric> value,
ElementsKind elements_kind);
void StoreJSTypedArrayElementFromTagged(TNode<Context> context,
TNode<JSTypedArray> typed_array,
TNode<UintPtrT> index_node,
TNode<Object> value,
ElementsKind elements_kind,
Label* if_detached_or_out_of_bounds);
template <typename TValue>
void StoreJSTypedArrayElementFromPreparedValue(
TNode<Context> context, TNode<JSTypedArray> typed_array,
TNode<UintPtrT> index_node, TNode<TValue> value,
ElementsKind elements_kind, Label* if_detached_or_out_of_bounds);
};
} // namespace internal
} // namespace v8
#endif // V8_BUILTINS_BUILTINS_TYPED_ARRAY_GEN_H_
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