nodejs/deps/v8/test/fuzzer/wasm/compile-wasmgc.cc

// Copyright 2024 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/base/vector.h"
#include "src/wasm/fuzzing/random-module-generation.h"
#include "src/wasm/wasm-module-builder.h"
#include "src/zone/zone.h"
#include "test/fuzzer/wasm/fuzzer-common.h"

namespace v8::internal::wasm::fuzzing {

// Fuzzer that may generate WasmGC expressions.
class WasmCompileWasmGCFuzzer : public WasmExecutionFuzzer {
  bool GenerateModule(Isolate* isolate, Zone* zone,
                      base::Vector<const uint8_t> data,
                      ZoneBuffer* buffer) override {
    base::Vector<const uint8_t> wire_bytes = GenerateRandomWasmModule(
        zone, {{WasmModuleGenerationOption::kGenerateWasmGC}}, data);
    if (wire_bytes.empty()) return false;
    buffer->write(wire_bytes.data(), wire_bytes.size());
    return true;
  }
};

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
  constexpr bool kRequireValid = true;
  return WasmCompileWasmGCFuzzer().FuzzWasmModule({data, size}, kRequireValid);
}

}  // namespace v8::internal::wasm::fuzzing