xref: /arkcompiler/ets_runtime/test/fuzztest/dumpheapsnapshot3_fuzzer/dumpheapsnapshot3_fuzzer.cpp

/*
 * Copyright (c) 2022 Huawei Device Co., Ltd.
 * 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
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

#include "dumpheapsnapshot3_fuzzer.h"

#include "ecmascript/napi/include/jsnapi.h"
#include "ecmascript/napi/include/dfx_jsnapi.h"
#include "ecmascript/ecma_string-inl.h"
#include "ecmascript/dfx/hprof/file_stream.h"

using namespace panda;
using namespace panda::ecmascript;
using panda::ecmascript::FileStream;

#define MAXBYTELEN sizeof(double)

namespace OHOS {
    void DumpHeapSnapshot3FuzzTest(const uint8_t* data, size_t size)
    {
        if (size <= 0) {
            return;
        }
        RuntimeOption option;
        option.SetLogLevel(RuntimeOption::LOG_LEVEL::ERROR);
        EcmaVM *vm = JSNApi::CreateJSVM(option);
        size_t maxEnumNum = static_cast<size_t>(DumpFormat::OTHER) + 1;
        DumpFormat dumpFormat = static_cast<DumpFormat>(size % maxEnumNum);
        DumpSnapShotOption dumpOption;
        dumpOption.dumpFormat = dumpFormat;
        dumpOption.isVmMode = true;
        dumpOption.isPrivate = false;
        dumpOption.captureNumericValue = false;
        if (size > MAXBYTELEN) {
            size = MAXBYTELEN;
        }
        std::string path(data, data + size);
        FileStream stream(path);
        Progress *progress = nullptr;
        DFXJSNApi::DumpHeapSnapshot(vm, &stream, dumpOption, progress);
        JSNApi::DestroyJSVM(vm);
    }
}

// Fuzzer entry point.
extern "C" int LLVMFuzzerTestOneInput(const uint8_t* data, size_t size)
{
    // Run your code on data.
    OHOS::DumpHeapSnapshot3FuzzTest(data, size);
    return 0;
}