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/* -*- Mode: C++; tab-width: 8; indent-tabs-mode: nil; c-basic-offset: 2 -*-
* vim: set ts=8 sts=2 et sw=2 tw=80:
* Copyright 2021 Mozilla Foundation
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* See the License for the specific language governing permissions and
* limitations under the License.
#ifndef wasm_intrinsic_h
#define wasm_intrinsic_h
#include "mozilla/Span.h"
#include "wasm/WasmBuiltins.h"
#include "wasm/WasmCompileArgs.h"
#include "wasm/WasmConstants.h"
#include "wasm/WasmTypeDecls.h"
#include "wasm/WasmTypeDef.h"
namespace js {
namespace wasm {
// An intrinsic is a natively implemented function that may be compiled into an
// 'intrinsic module', which may be instantiated with a provided memory
// yielding an exported WebAssembly function wrapping the intrinsic.
struct Intrinsic {
// The name of the intrinsic as it is exported
const char* exportName;
// The params taken by the intrinsic. No results are required for intrinsics
// at this time, so we omit them
mozilla::Span<const ValType> params;
// The signature of the builtin that implements the intrinsic
const SymbolicAddressSignature& signature;
// Allocate a FuncType for this intrinsic, returning false for OOM
bool funcType(FuncType* type) const;
// Get the Intrinsic for an IntrinsicId. IntrinsicId must be validated.
static const Intrinsic& getFromId(IntrinsicId id);
// Compile and return the intrinsic module for a given set of operations.
bool CompileIntrinsicModule(JSContext* cx, const mozilla::Span<IntrinsicId> ids,
Shareable sharedMemory,
MutableHandleWasmModuleObject result);
} // namespace wasm
} // namespace js
#endif // wasm_intrinsic_h