Class which represents the ELF's header. This class mirrors the raw ELF Elfxx_Ehdr structure. More...

#include <Header.hpp>

Inheritance diagram for LIEF::ELF::Header:

Collaboration diagram for LIEF::ELF::Header:

Public Types
enum	ELF_INDENT { ELI_MAG0 = 0 , ELI_MAG1 = 1 , ELI_MAG2 = 2 , ELI_MAG3 = 3 , ELI_CLASS = 4 , ELI_DATA = 5 , ELI_VERSION = 6 , ELI_OSABI = 7 , ELI_ABIVERSION = 8 , ELI_PAD = 9 , ELI_NIDENT = 16 }
	e_ident size and indices. More...

enum class	FILE_TYPE { NONE = 0 , REL = 1 , EXEC = 2 , DYN = 3 , CORE = 4 }
	The type of the underlying ELF file. This enum matches the semantic of `ET_NONE`, `ET_REL`, ... More...

enum class	VERSION { NONE = 0 , CURRENT = 1 }
	Match the result of `Elfxx_Ehdr.e_version` More...

enum class	CLASS { NONE = 0 , ELF32 , ELF64 }
	Match the result of `Elfxx_Ehdr.e_ident[EI_CLASS]` More...

enum class	OS_ABI { SYSTEMV = 0 , HPUX = 1 , NETBSD = 2 , GNU = 3 , LINUX = 3 , HURD = 4 , SOLARIS = 6 , AIX = 7 , IRIX = 8 , FREEBSD = 9 , TRU64 = 10 , MODESTO = 11 , OPENBSD = 12 , OPENVMS = 13 , NSK = 14 , AROS = 15 , FENIXOS = 16 , CLOUDABI = 17 , C6000_ELFABI = 64 , AMDGPU_HSA = 64 , C6000_LINUX = 65 , ARM = 97 , STANDALONE = 255 }
	Match the result `Elfxx_Ehdr.e_ident[EI_OSABI]` More...

enum class	ELF_DATA { NONE = 0 , LSB = 1 , MSB = 2 }
	Match the result `Elfxx_Ehdr.e_ident[EI_DATA]` More...

using	identity_t = std::array<uint8_t, 16>

Public Types inherited from LIEF::Object
template<class T >
using	output_t = add_pointer_t<decay_t<T>>

template<class T >
using	output_const_t = add_pointer_t<add_const_t<decay_t<T>>>

Public Member Functions
	Header ()=default

Header &	operator= (const Header &)=default

	Header (const Header &)=default

	~Header () override=default

FILE_TYPE	file_type () const
	Define the object file type. (e.g. executable, library...)

ARCH	machine_type () const
	Target architecture.

VERSION	object_file_version () const
	Version of the object file format.

uint64_t	entrypoint () const
	Executable entrypoint.

uint64_t	program_headers_offset () const
	Offset of the programs table (also known as segments table)

uint64_t	section_headers_offset () const
	Offset of the sections table.

uint32_t	processor_flag () const
	Processor-specific flags.

uint32_t	header_size () const
	Size of the current header (i.e. `sizeof(Elfxx_Ehdr)`) This size should be 64 for an `ELF64` binary and 52 for an `ELF32`.

uint32_t	program_header_size () const
	Return the size of a program header (i.e. `sizeof(Elfxx_Phdr)`) This size should be 56 for an `ELF64` binary and 32 for an `ELF32`.

uint32_t	numberof_segments () const
	Return the number of segments.

uint32_t	section_header_size () const
	Return the size of a section header (i.e. `sizeof(Elfxx_Shdr)`) This size should be 64 for a `ELF64` binary and 40 for an `ELF32`.

uint32_t	numberof_sections () const
	Return the number of sections.

uint32_t	section_name_table_idx () const
	Return the section's index which contains sections' names.

identity_t &	identity ()
	Return the ELF identity as an `std::array`

const identity_t &	identity () const

CLASS	identity_class () const
	Return the object's class. `ELF64` or `ELF32`

ELF_DATA	identity_data () const
	Specify the data encoding.

VERSION	identity_version () const

OS_ABI	identity_os_abi () const
	Identifies the version of the ABI for which the object is prepared.

uint32_t	identity_abi_version () const
	ABI Version.

bool	has (PROCESSOR_FLAGS flag) const

std::vector< PROCESSOR_FLAGS >	flags_list () const

void	file_type (FILE_TYPE type)

void	machine_type (ARCH arch)

void	object_file_version (VERSION version)

void	entrypoint (uint64_t entry)

void	program_headers_offset (uint64_t offset)

void	section_headers_offset (uint64_t offset)

void	processor_flag (uint32_t flags)

void	header_size (uint32_t size)

void	program_header_size (uint32_t size)

void	numberof_segments (uint32_t n)

void	section_header_size (uint32_t size)

void	numberof_sections (uint32_t n)

void	section_name_table_idx (uint32_t idx)

void	identity (const std::string &identity)

void	identity (const identity_t &identity)

void	identity_class (CLASS cls)

void	identity_data (ELF_DATA data)

void	identity_version (VERSION version)

void	identity_os_abi (OS_ABI osabi)

void	identity_abi_version (uint8_t version)

void	accept (Visitor &visitor) const override

Public Member Functions inherited from LIEF::Object
	Object ()

	Object (const Object &other)

Object &	operator= (const Object &other)

template<class T >
output_t< T >	as ()

template<class T >
output_const_t< T >	as () const

virtual bool	operator== (const Object &other) const

virtual bool	operator!= (const Object &other) const

virtual	~Object ()

Detailed Description

Class which represents the ELF's header. This class mirrors the raw ELF Elfxx_Ehdr structure.

Member Typedef Documentation

◆ identity_t

using LIEF::ELF::Header::identity_t = std::array<uint8_t, 16>

Member Enumeration Documentation

◆ CLASS

enum class LIEF::ELF::Header::CLASS

strong

Match the result of Elfxx_Ehdr.e_ident[EI_CLASS]

Enumerator
NONE
ELF32	Invalid class.
ELF64	32-bit objects

◆ ELF_DATA

enum class LIEF::ELF::Header::ELF_DATA

strong

Match the result Elfxx_Ehdr.e_ident[EI_DATA]

Enumerator
NONE
LSB	Invalid data encoding.
MSB	2's complement, little endian

◆ ELF_INDENT

enum LIEF::ELF::Header::ELF_INDENT

e_ident size and indices.

Enumerator
ELI_MAG0	File identification index.
ELI_MAG1	File identification index.
ELI_MAG2	File identification index.
ELI_MAG3	File identification index.
ELI_CLASS	File class.
ELI_DATA	Data encoding.
ELI_VERSION	File version.
ELI_OSABI	OS/ABI identification.
ELI_ABIVERSION	ABI version.
ELI_PAD	Start of padding bytes.
ELI_NIDENT	Number of bytes in e_ident.

◆ FILE_TYPE

enum class LIEF::ELF::Header::FILE_TYPE

strong

The type of the underlying ELF file. This enum matches the semantic of ET_NONE, ET_REL, ...

Enumerator
NONE	Can't be determined.
REL	Relocatable file (or object file)
EXEC	non-pie executable
DYN	Shared library or a pie-executable.
CORE	Core dump file.

◆ OS_ABI

enum class LIEF::ELF::Header::OS_ABI

strong

Match the result Elfxx_Ehdr.e_ident[EI_OSABI]

Enumerator
SYSTEMV
HPUX	UNIX System V ABI.
NETBSD	HP-UX operating system.
GNU	NetBSD.
LINUX	GNU/Linux.
HURD	Historical alias for ELFOSABI_GNU.
SOLARIS	GNU/Hurd.
AIX	Solaris.
IRIX	AIX.
FREEBSD	IRIX.
TRU64	FreeBSD.
MODESTO	TRU64 UNIX.
OPENBSD	Novell Modesto.
OPENVMS	OpenBSD.
NSK	OpenVMS.
AROS	Hewlett-Packard Non-Stop Kernel.
FENIXOS	AROS.
CLOUDABI	FenixOS.
C6000_ELFABI	Nuxi CloudABI.
AMDGPU_HSA	Bare-metal TMS320C6000.
C6000_LINUX	AMD HSA runtime.
ARM	Linux TMS320C6000.
STANDALONE	ARM.

◆ VERSION

enum class LIEF::ELF::Header::VERSION

strong

Match the result of Elfxx_Ehdr.e_version

Enumerator
NONE	Invalid ELF version.
CURRENT	Current version (default)

Constructor & Destructor Documentation

◆ Header() [1/2]

LIEF::ELF::Header::Header ( )

default

◆ Header() [2/2]

LIEF::ELF::Header::Header ( const Header & )

default

◆ ~Header()

LIEF::ELF::Header::~Header ( )

overridedefault

Member Function Documentation

◆ accept()

void LIEF::ELF::Header::accept ( Visitor & visitor ) const

overridevirtual

Implements LIEF::Object.

◆ entrypoint() [1/2]

uint64_t LIEF::ELF::Header::entrypoint ( ) const

inline

Executable entrypoint.

◆ entrypoint() [2/2]

void LIEF::ELF::Header::entrypoint ( uint64_t entry )

inline

◆ file_type() [1/2]

FILE_TYPE LIEF::ELF::Header::file_type ( ) const

inline

Define the object file type. (e.g. executable, library...)

◆ file_type() [2/2]

void LIEF::ELF::Header::file_type ( FILE_TYPE type )

inline

◆ flags_list()

std::vector< PROCESSOR_FLAGS > LIEF::ELF::Header::flags_list ( ) const

◆ has()

bool LIEF::ELF::Header::has ( PROCESSOR_FLAGS flag ) const

◆ header_size() [1/2]

uint32_t LIEF::ELF::Header::header_size ( ) const

inline

Size of the current header (i.e. sizeof(Elfxx_Ehdr)) This size should be 64 for an ELF64 binary and 52 for an ELF32.

◆ header_size() [2/2]

void LIEF::ELF::Header::header_size ( uint32_t size )

inline

◆ identity() [1/4]

identity_t & LIEF::ELF::Header::identity ( )

inline

Return the ELF identity as an std::array

◆ identity() [2/4]

const identity_t & LIEF::ELF::Header::identity ( ) const

inline

◆ identity() [3/4]

void LIEF::ELF::Header::identity ( const identity_t & identity )

◆ identity() [4/4]

void LIEF::ELF::Header::identity ( const std::string & identity )

◆ identity_abi_version() [1/2]

uint32_t LIEF::ELF::Header::identity_abi_version ( ) const

inline

ABI Version.

◆ identity_abi_version() [2/2]

void LIEF::ELF::Header::identity_abi_version ( uint8_t version )

inline

◆ identity_class() [1/2]

CLASS LIEF::ELF::Header::identity_class ( ) const

inline

Return the object's class. ELF64 or ELF32

◆ identity_class() [2/2]

void LIEF::ELF::Header::identity_class ( CLASS cls )

inline

◆ identity_data() [1/2]

ELF_DATA LIEF::ELF::Header::identity_data ( ) const

inline

Specify the data encoding.

◆ identity_data() [2/2]

void LIEF::ELF::Header::identity_data ( ELF_DATA data )

inline

◆ identity_os_abi() [1/2]

OS_ABI LIEF::ELF::Header::identity_os_abi ( ) const

inline

Identifies the version of the ABI for which the object is prepared.

◆ identity_os_abi() [2/2]

void LIEF::ELF::Header::identity_os_abi ( OS_ABI osabi )

inline

◆ identity_version() [1/2]

VERSION LIEF::ELF::Header::identity_version ( ) const

inline

See also: object_file_version

◆ identity_version() [2/2]

void LIEF::ELF::Header::identity_version ( VERSION version )

inline

◆ machine_type() [1/2]

ARCH LIEF::ELF::Header::machine_type ( ) const

inline

Target architecture.

◆ machine_type() [2/2]

void LIEF::ELF::Header::machine_type ( ARCH arch )

inline

◆ numberof_sections() [1/2]

uint32_t LIEF::ELF::Header::numberof_sections ( ) const

inline

Return the number of sections.

Warning: This value could differ from the real number of sections present in the binary. It must be taken as an indication

◆ numberof_sections() [2/2]

void LIEF::ELF::Header::numberof_sections ( uint32_t n )

inline

◆ numberof_segments() [1/2]

uint32_t LIEF::ELF::Header::numberof_segments ( ) const

inline

Return the number of segments.

◆ numberof_segments() [2/2]

void LIEF::ELF::Header::numberof_segments ( uint32_t n )

inline

◆ object_file_version() [1/2]

VERSION LIEF::ELF::Header::object_file_version ( ) const

inline

Version of the object file format.

◆ object_file_version() [2/2]

void LIEF::ELF::Header::object_file_version ( VERSION version )

inline

◆ operator=()

Header & LIEF::ELF::Header::operator= ( const Header & )

default

◆ processor_flag() [1/2]

uint32_t LIEF::ELF::Header::processor_flag ( ) const

inline

Processor-specific flags.

◆ processor_flag() [2/2]

void LIEF::ELF::Header::processor_flag ( uint32_t flags )

inline

◆ program_header_size() [1/2]

uint32_t LIEF::ELF::Header::program_header_size ( ) const

inline

Return the size of a program header (i.e. sizeof(Elfxx_Phdr)) This size should be 56 for an ELF64 binary and 32 for an ELF32.

◆ program_header_size() [2/2]

void LIEF::ELF::Header::program_header_size ( uint32_t size )

inline

◆ program_headers_offset() [1/2]

uint64_t LIEF::ELF::Header::program_headers_offset ( ) const

inline

Offset of the programs table (also known as segments table)

◆ program_headers_offset() [2/2]

void LIEF::ELF::Header::program_headers_offset ( uint64_t offset )

inline

◆ section_header_size() [1/2]

uint32_t LIEF::ELF::Header::section_header_size ( ) const

inline

Return the size of a section header (i.e. sizeof(Elfxx_Shdr)) This size should be 64 for a ELF64 binary and 40 for an ELF32.

◆ section_header_size() [2/2]

void LIEF::ELF::Header::section_header_size ( uint32_t size )

inline

◆ section_headers_offset() [1/2]

uint64_t LIEF::ELF::Header::section_headers_offset ( ) const

inline

Offset of the sections table.

◆ section_headers_offset() [2/2]

void LIEF::ELF::Header::section_headers_offset ( uint64_t offset )

inline

◆ section_name_table_idx() [1/2]

uint32_t LIEF::ELF::Header::section_name_table_idx ( ) const

inline

Return the section's index which contains sections' names.

◆ section_name_table_idx() [2/2]

void LIEF::ELF::Header::section_name_table_idx ( uint32_t idx )

inline

The documentation for this class was generated from the following file:

ELF/Header.hpp

Public Types

Public Member Functions

Detailed Description

Member Typedef Documentation

◆ identity_t

Member Enumeration Documentation

◆ CLASS

◆ ELF_DATA

◆ ELF_INDENT

◆ FILE_TYPE

◆ OS_ABI

◆ VERSION

Constructor & Destructor Documentation

◆ Header() [1/2]

◆ Header() [2/2]

◆ ~Header()

Member Function Documentation

◆ accept()

◆ entrypoint() [1/2]

◆ entrypoint() [2/2]

◆ file_type() [1/2]

◆ file_type() [2/2]

◆ flags_list()

◆ has()

◆ header_size() [1/2]

◆ header_size() [2/2]

◆ identity() [1/4]

◆ identity() [2/4]

◆ identity() [3/4]

◆ identity() [4/4]

◆ identity_abi_version() [1/2]

◆ identity_abi_version() [2/2]

◆ identity_class() [1/2]

◆ identity_class() [2/2]

◆ identity_data() [1/2]

◆ identity_data() [2/2]

◆ identity_os_abi() [1/2]

◆ identity_os_abi() [2/2]

◆ identity_version() [1/2]

◆ identity_version() [2/2]

◆ machine_type() [1/2]

◆ machine_type() [2/2]

◆ numberof_sections() [1/2]

◆ numberof_sections() [2/2]

◆ numberof_segments() [1/2]

◆ numberof_segments() [2/2]

◆ object_file_version() [1/2]

◆ object_file_version() [2/2]

◆ operator=()

◆ processor_flag() [1/2]

◆ processor_flag() [2/2]

◆ program_header_size() [1/2]

◆ program_header_size() [2/2]

◆ program_headers_offset() [1/2]

◆ program_headers_offset() [2/2]

◆ section_header_size() [1/2]

◆ section_header_size() [2/2]

◆ section_headers_offset() [1/2]

◆ section_headers_offset() [2/2]

◆ section_name_table_idx() [1/2]

◆ section_name_table_idx() [2/2]