/* Copyright 2017 - 2025 R. Thomas

* Copyright 2017 - 2025 Quarkslab

*

* 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.

*/

#ifndef LIEF_VDEX_STRUCTURES_H

#define LIEF_VDEX_STRUCTURES_H

#include <cstring>

#include "LIEF/types.hpp"

namespace LIEF {

/// Namespace related to the LIEF's VDEX module

namespace VDEX {

namespace details {

using vdex_version_t = uint32_t;

static constexpr uint8_t magic[] = { 'v', 'd', 'e', 'x' };

static constexpr vdex_version_t vdex_version = 0;

using checksum_t = uint32_t;

struct header {

uint8_t magic[4];

uint8_t version[4];

uint32_t number_of_dex_files;

uint32_t dex_size;

uint32_t verifier_deps_size;

uint32_t quickening_info_size;

};

// =======================

// VDEX Version 6

// ========================

namespace VDEX_6 {

using header = details::header;

static constexpr vdex_version_t vdex_version = 6;

}

// =======================

// VDEX Version 10

// ========================

namespace VDEX_10 {

using header = details::header;

static constexpr vdex_version_t vdex_version = 10;

}

// =======================

// VDEX Version 11

// ========================

namespace VDEX_11 {

using header = details::header;

static constexpr vdex_version_t vdex_version = 11;

}

class VDEX6 {

public:

using vdex_header = VDEX_6::header;

static constexpr vdex_version_t vdex_version = VDEX_6::vdex_version;

};

class VDEX10 {

public:

using vdex_header = VDEX_10::header;

static constexpr vdex_version_t vdex_version = VDEX_10::vdex_version;

};

class VDEX11 {

public:

using vdex_header = VDEX_11::header;

static constexpr vdex_version_t vdex_version = VDEX_11::vdex_version;

};

} /* end namespace details */

} /* end namespace VDEX */

} /* end namespace LIEF */

#endif