#pragma once

#include <stdint.h>

typedef uint8_t Elf_Byte;

#define EI_MAG0 0
#define EI_MAG1 1
#define EI_MAG2 2
#define EI_MAG3 3
#define EI_CLASS 4
#define EI_DATA 5
#define EI_VERSION 6
#define EI_OSABI 7
#define EI_ABIVERSION 8
#define EI_PAD 9
#define EI_NIDENT 16

#define ELFMAG0 0x7f
#define ELFMAG1 'E'
#define ELFMAG2 'L'
#define ELFMAG3 'F'

#define ELFCLASSNONE 0
#define ELFCLASS32 1
#define ELFCLASS64 2

#define ELFDATANONE 0
#define ELFDATA2LSB 1
#define ELFDATA2MSB 2

#define EI_VERSION 6
#define EV_NONE 0
#define EV_CURRENT 1

#define ELFOSABI_NONE 0
#define ELFOSABI_SYSV EI_OSABI_NONE

#define ET_NONE 0
#define ET_REL 1
#define ET_EXEC 2
#define ET_DYN 3
#define ET_CORE 4
#define ET_LOOS 0xfe00
#define ET_HIOS 0xfeff

#define EM_NONE 0

#define PT_NULL 0
#define PT_LOAD 1
#define PT_DYNAMIC 2

#define PF_X 0x01
#define PF_W 0x02
#define PF_R 0x04

#define SHT_NULL 0
#define SHT_PROGITS 1
#define SHT_SYMTAB 2
#define SHT_STRTAB 3
#define SHT_RELA 4
#define SHT_HASH 5
#define SHT_DYNAMIC 6

#define SHF_WRITE 0x1
#define SHF_ALLOC 0x2
#define SHF_EXEC  0x4
#define SHF_MERGE 0x10
#define SHF_STRINGS 0x20

#define DT_NULL 0
#define DT_NEEDED 1
#define DT_PLTRELSZ 2
#define DT_PLTGOT 3
#define DT_HASH 4
#define DT_STRTAB 5
#define DT_SYMTAB 6
#define DT_RELA 7
#define DT_RELASZ 8
#define DT_RELAENT 9
#define DT_STRSZ 10
#define DT_SYMENT 11
#define DT_JMPREL 0x17
#define DT_PLTREL 20