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/*========================== begin_copyright_notice ============================
Copyright (C) 2017-2021 Intel Corporation
SPDX-License-Identifier: MIT
============================= end_copyright_notice ===========================*/
#pragma once
#include "CLElfTypes.h"
#if defined(_WIN32)
#define ELF_CALL __stdcall
#else
#define ELF_CALL
#endif
namespace CLElfLib {
/******************************************************************************\
Class: CElfReader
Description: Class to provide simpler interaction with the ELF standard
binary object. SElf64Header defines the ELF header type and
SElf64SectionHeader defines the section header type.
\******************************************************************************/
class CElfReader {
public:
static CElfReader *ELF_CALL Create(const char *pElfBinary, const size_t elfBinarySize);
static void ELF_CALL Delete(CElfReader *&pElfObject);
static bool ELF_CALL IsValidElf(const void *pBinary, const size_t binarySize);
const SElfHeader *ELF_CALL GetElfHeader();
const SElfSectionHeader *ELF_CALL GetSectionHeader(unsigned int sectionIndex);
const SElfSectionHeader *ELF_CALL GetSectionHeader(const char *sectionName);
const char *ELF_CALL GetSectionName(unsigned int sectionIndex);
E_RETVAL ELF_CALL GetSectionData(const unsigned int sectionIndex, char *&pData, size_t &dataSize);
E_RETVAL ELF_CALL GetSectionData(const char *sectionName, char *&pData, size_t &dataSize);
protected:
ELF_CALL CElfReader(const char *pElfBinary, const size_t elfBinarySize);
ELF_CALL ~CElfReader();
SElfHeader *m_pElfHeader; // pointer to the ELF header
const char *m_pBinary; // portable ELF binary
char *m_pNameTable; // pointer to the string table
size_t m_nameTableSize; // size of string table in bytes
};
/******************************************************************************\
Class: CElfReaderDeleter
Description: Dummy class to be used with unique_ptr to call Delete on
CElfReader when going out of scope.
\******************************************************************************/
class CElfReaderDeleter {
public:
void operator()(CElfReader *ptr) const { CElfReader::Delete(ptr); }
};
/******************************************************************************\
Class: RAIIElf
Description: Dummy class to call the Cleanup() method on CElfReader when
going out of scope.
\******************************************************************************/
class RAIIElf {
public:
explicit RAIIElf(CElfReader *pElf);
~RAIIElf();
RAIIElf(const RAIIElf &) = delete;
RAIIElf &operator=(const RAIIElf &) = delete;
private:
CElfReader *p;
};
} // namespace CLElfLib
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