1// Copyright 2017 the V8 project authors. All rights reserved.
2// Use of this source code is governed by a BSD-style license that can be
3// found in the LICENSE file.
4
5#ifndef V8_WASM_WASM_SERIALIZATION_H_
6#define V8_WASM_WASM_SERIALIZATION_H_
7
8#include "src/wasm/wasm-objects.h"
9
10namespace v8 {
11namespace internal {
12namespace wasm {
13
14// Support for serializing WebAssembly {NativeModule} objects. This class takes
15// a snapshot of the module state at instantiation, and other code that modifies
16// the module after that won't affect the serialized result.
17class V8_EXPORT_PRIVATE WasmSerializer {
18 public:
19 explicit WasmSerializer(NativeModule* native_module);
20
21 // Measure the required buffer size needed for serialization.
22 size_t GetSerializedNativeModuleSize() const;
23
24 // Serialize the {NativeModule} into the provided {buffer}. Returns true on
25 // success and false if the given buffer it too small for serialization.
26 bool SerializeNativeModule(Vector<byte> buffer) const;
27
28 private:
29 NativeModule* native_module_;
30 std::vector<WasmCode*> code_table_;
31};
32
33// Support for deserializing WebAssembly {NativeModule} objects.
34// Checks the version header of the data against the current version.
35bool IsSupportedVersion(Vector<const byte> data);
36
37// Deserializes the given data to create a Wasm module object.
38MaybeHandle<WasmModuleObject> DeserializeNativeModule(
39 Isolate* isolate, Vector<const byte> data, Vector<const byte> wire_bytes);
40
41} // namespace wasm
42} // namespace internal
43} // namespace v8
44
45#endif // V8_WASM_WASM_SERIALIZATION_H_
46