// 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/wasm/fuzzing/random-module-generation.h"
#include "src/wasm/wasm-module-builder.h"
#include "src/zone/zone.h"
#include "test/fuzzer/fuzzer-support.h"
#include "test/fuzzer/wasm/interpreter/interpreter-fuzzer-common.h"

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

// Fuzzer that may generate WasmGC+SIMD expressions.
bool GenerateModuleWithExternalFuncs(i::Isolate* isolate, i::Zone* zone,
                                     v8::base::Vector<const uint8_t> data,
                                     i::wasm::ZoneBuffer* buffer,
                                     std::vector<ExportData>* exports,
                                     std::vector<ExportData>* imports) {
  v8::base::Vector<const uint8_t> wire_bytes =
      fuzzing::GenerateRandomWasmModule(
          zone, fuzzing::WasmModuleGenerationOptions::All(), data, exports,
          imports);
  if (wire_bytes.empty()) return false;
  buffer->write(wire_bytes.data(), wire_bytes.size());
  return true;
}

V8_SYMBOL_USED extern "C" int LLVMFuzzerInitialize(int* argc, char*** argv) {
  v8_fuzzer::FuzzerSupport::InitializeFuzzerSupport(argc, argv);
  return 0;
}

extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size) {
  return LLVMFuzzerTestTwoModulesCommon(data, size,
                                        GenerateModuleWithExternalFuncs);
}

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