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/*
* Copyright (C) 2020 Intel Corporation
*
* SPDX-License-Identifier: MIT
*
*/
#pragma once
#include "shared/source/device_binary_format/elf/elf.h"
#include "shared/source/utilities/arrayref.h"
#include "shared/source/utilities/const_stringref.h"
#include "shared/source/utilities/stackvec.h"
#include <cstdint>
namespace NEO {
namespace Elf {
template <ELF_IDENTIFIER_CLASS NumBits = EI_CLASS_64>
struct Elf {
struct ProgramHeaderAndData {
const ElfProgramHeader<NumBits> *header = nullptr;
ArrayRef<const uint8_t> data;
};
struct SectionHeaderAndData {
const ElfSectionHeader<NumBits> *header;
ArrayRef<const uint8_t> data;
};
const ElfFileHeader<NumBits> *elfFileHeader = nullptr;
StackVec<ProgramHeaderAndData, 32> programHeaders;
StackVec<SectionHeaderAndData, 32> sectionHeaders;
};
template <ELF_IDENTIFIER_CLASS NumBits = EI_CLASS_64>
const ElfFileHeader<NumBits> *decodeElfFileHeader(const ArrayRef<const uint8_t> binary);
extern template const ElfFileHeader<EI_CLASS_32> *decodeElfFileHeader<EI_CLASS_32>(const ArrayRef<const uint8_t>);
extern template const ElfFileHeader<EI_CLASS_64> *decodeElfFileHeader<EI_CLASS_64>(const ArrayRef<const uint8_t>);
template <ELF_IDENTIFIER_CLASS NumBits = EI_CLASS_64>
Elf<NumBits> decodeElf(const ArrayRef<const uint8_t> binary, std::string &outErrReason, std::string &outWarning);
extern template Elf<EI_CLASS_32> decodeElf<EI_CLASS_32>(const ArrayRef<const uint8_t>, std::string &, std::string &);
extern template Elf<EI_CLASS_64> decodeElf<EI_CLASS_64>(const ArrayRef<const uint8_t>, std::string &, std::string &);
template <ELF_IDENTIFIER_CLASS NumBits>
inline bool isElf(const ArrayRef<const uint8_t> binary) {
return (nullptr != decodeElfFileHeader<NumBits>(binary));
}
inline bool isElf(const ArrayRef<const uint8_t> binary) {
return isElf<EI_CLASS_32>(binary) || isElf<EI_CLASS_64>(binary);
}
inline ELF_IDENTIFIER_CLASS getElfNumBits(const ArrayRef<const uint8_t> binary) {
if (isElf<EI_CLASS_32>(binary)) {
return EI_CLASS_32;
} else if (isElf<EI_CLASS_64>(binary)) {
return EI_CLASS_64;
}
return EI_CLASS_NONE;
}
} // namespace Elf
} // namespace NEO
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