/* 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_COFF_STRUCTURES_H

#define LIEF_COFF_STRUCTURES_H

#include <cstdint>

#include <array>

namespace LIEF::COFF::details {

static constexpr auto NameSize = 8;

struct header {

uint16_t machine;

uint16_t numberof_sections;

uint32_t timedatestamp;

uint32_t pointerto_symbol_table;

uint32_t numberof_symbols;

uint16_t sizeof_optionalheader;

uint16_t characteristics;

};

struct bigobj_header {

uint16_t sig1; ///< must be image_file_machine_unknown (0).

uint16_t sig2; ///< must be 0xffff.

uint16_t version;

uint16_t machine;

uint32_t timedatestamp;

uint8_t uuid[16];

uint32_t unused1;

uint32_t unused2;

uint32_t unused3;

uint32_t unused4;

uint32_t numberof_sections;

uint32_t pointerto_symbol_table;

uint32_t numberof_symbols;

};

#pragma pack(push,1)

struct relocation {

uint32_t VirtualAddress;

uint32_t SymbolTableIndex;

uint16_t Type;

};

template<class T>

struct symbol {

union {

std::array<char, 8> short_name;

struct {

uint32_t zeroes = 0;

uint32_t offset = 0;

} offset;

} name;

uint32_t value;

T sec_idx;

uint16_t type;

uint8_t storage_class;

uint8_t nb_aux;

};

using symbol16 = symbol<uint16_t>;

using symbol32 = symbol<uint32_t>;

#pragma pack(pop)

static_assert(sizeof(symbol16) == 18);

static_assert(sizeof(symbol32) == 20);

}

#endif