elf.h File Reference

Defines structures and enums for handling ELF (Executable and Linkable Format) files in MaxOS. More...

#include <cstdint>
#include <cstddef>
#include <memory/memorymanagement.h>
#include <memory/memoryIO.h>

Go to the source code of this file.

Classes
struct	MaxOS::processes::ELFHeader64
	The header of a 64-bit ELF file. More...
struct	MaxOS::processes::ELFProgramHeader64
	The header for the program segments in a 64-bit ELF file. More...
struct	MaxOS::processes::ELFSectionHeader64
	The header for the sections in a 64-bit ELF file. More...
class	MaxOS::processes::ELF64
	Handles the loading and parsing of 64-bit ELF files. More...

Typedefs
typedef struct MaxOS::processes::ELFHeader64	MaxOS::processes::elf_64_header_t
	Alias for ELFHeader64 struct.
typedef struct MaxOS::processes::ELFProgramHeader64	MaxOS::processes::elf_64_program_header_t
	Alias for ELFProgramHeader64 struct.
typedef struct MaxOS::processes::ELFSectionHeader64	MaxOS::processes::elf_64_section_header_t
	Alias for ELFSectionHeader64 struct.

Enumerations
enum class	MaxOS::processes::ELFIdentification {   Magic0 , Magic1 , Magic2 , Magic3 ,   Class , Data , Version , OSABI ,   ABIVersion , Padding }
	The indexes of the ELF identification array. More...
enum class	MaxOS::processes::ELFClass { Invalid , Bits32 , Bits64 }
	The class of the ELF file (32-bit or 64-bit) More...
enum class	MaxOS::processes::ELFData { InvalidData , LittleEndian , BigEndian }
	The data encoding of the ELF file (little-endian or big-endian) More...
enum class	MaxOS::processes::ELFType {   None , Relocatable , Executable , Shared ,   Core , ProcessorSpecificLow = 0xFF0 , ProcessorSpecificHigh = 0xFFF }
	The type of the ELF file (executable, shared object, etc.) More...
enum class	MaxOS::processes::ELFMachine {   NoMachine , ATnTWe32100 , SPARC , x86 ,   MIPS = 0x8 , PowerPC = 0x14 , ARM = 0x28 , SuperH = 0x2A ,   IA_64 = 0x32 , x86_64 = 0x3E , AArch64 = 0xB7 , RISC_V = 0xF3 }
	The target architecture of the ELF file. More...
enum class	MaxOS::processes::ELFVersion { Invalid , Current }
	The version of the ELF file. More...
enum class	MaxOS::processes::ELFProgramType {   Null , Load , Dynamic , Interpreter ,   Note , SharedLibrary , HeaderTable , TableProcessorSpecificLow = 0x70000000 ,   TableProcessorSpecificHigh = 0x7FFFFFFF }
	The type of a program header in the ELF file. More...
enum	MaxOS::processes::ELFProgramFlags { ELFExecute = (1 << 0) , ELFWrite = (1 << 1) , ELFRead = (1 << 2) }
	The flags of a program header in the ELF file. More...
enum class	MaxOS::processes::ELFSectionType {   Null , ProgramBits , SymbolTable , StringTable ,   RelocationAddends , SymbolHashTable , DynamicLinkingTable , SectionNote ,   NoBits }
	The type of a section in the ELF file. More...

Variables
constexpr char	MaxOS::processes::ELF_MAGIC [4] = { 0x7F, 'E', 'L', 'F' }
	The expected ELF magic number at the start of the file.

Detailed Description

Defines structures and enums for handling ELF (Executable and Linkable Format) files in MaxOS.

Date

21st March 2025

Author

Max Tyson

Definition in file elf.h.

Enumeration Type Documentation

ELFClass

enum class MaxOS::processes::ELFClass

strong

The class of the ELF file (32-bit or 64-bit)

Definition at line 45 of file elf.h.

                        {
        Invalid,
        Bits32,
        Bits64
    };

ELFData

enum class MaxOS::processes::ELFData

strong

The data encoding of the ELF file (little-endian or big-endian)

Definition at line 55 of file elf.h.

                       {
        InvalidData,
        LittleEndian,
        BigEndian
    };

ELFIdentification

enum class MaxOS::processes::ELFIdentification

strong

The indexes of the ELF identification array.

Definition at line 28 of file elf.h.

                                 {
        Magic0,
        Magic1,
        Magic2,
        Magic3,
        Class,
        Data,
        Version,
        OSABI,
        ABIVersion,
        Padding,
    };

ELFMachine

enum class MaxOS::processes::ELFMachine

strong

The target architecture of the ELF file.

Definition at line 79 of file elf.h.

                          {
        NoMachine,
        ATnTWe32100,
        SPARC,
        x86,
        MIPS = 0x8,
        PowerPC = 0x14,
        ARM = 0x28,
        SuperH = 0x2A,
        IA_64 = 0x32,
        x86_64 = 0x3E,
        AArch64 = 0xB7,
        RISC_V = 0xF3
    };

ELFProgramFlags

enum MaxOS::processes::ELFProgramFlags

The flags of a program header in the ELF file.

Definition at line 149 of file elf.h.

                         {
        ELFExecute = (1 << 0),
        ELFWrite = (1 << 1),
        ELFRead = (1 << 2)
    };

ELFProgramType

enum class MaxOS::processes::ELFProgramType

strong

The type of a program header in the ELF file.

Definition at line 133 of file elf.h.

                              {
        Null,
        Load,
        Dynamic,
        Interpreter,
        Note,
        SharedLibrary,
        HeaderTable,
        TableProcessorSpecificLow = 0x70000000,
        TableProcessorSpecificHigh = 0x7FFFFFFF
    };

ELFSectionType

enum class MaxOS::processes::ELFSectionType

strong

The type of a section in the ELF file.

Definition at line 179 of file elf.h.

                              {
        Null,
        ProgramBits,
        SymbolTable,
        StringTable,
        RelocationAddends,
        SymbolHashTable,
        DynamicLinkingTable,
        SectionNote,
        NoBits,
    };

ELFType

enum class MaxOS::processes::ELFType

strong

The type of the ELF file (executable, shared object, etc.)

Definition at line 65 of file elf.h.

                       {
        None,
        Relocatable,
        Executable,
        Shared,
        Core,
        ProcessorSpecificLow = 0xFF0,
        ProcessorSpecificHigh = 0xFFF
    };

ELFVersion

enum class MaxOS::processes::ELFVersion

strong

The version of the ELF file.

Definition at line 98 of file elf.h.

                          {
        Invalid,
        Current
    };

Variable Documentation

ELF_MAGIC

constexpr char MaxOS::processes::ELF_MAGIC[4] = { 0x7F, 'E', 'L', 'F' }

constexpr

The expected ELF magic number at the start of the file.

Definition at line 22 of file elf.h.

{ 0x7F, 'E', 'L', 'F' };

Referenced by MaxOS::processes::ELF64::is_valid().