#ifndef _JOVE_LIB_ELF_H
#define _JOVE_LIB_ELF_H 1

#include <stdint.h>

#define EI_MAG0 0x7F
#define EI_MAG1 0x45
#define EI_MAG2 0x4C
#define EI_MAG3 0x46

#define EI_CLASS_64 2
#define EI_DATA_LE 1

#define ET_EXEC 0x02
#define EM_x86_64 0x3E

struct elf_header
{
    uint8_t e_ident[16];
    uint16_t e_type;
    uint16_t e_machine;
    uint32_t e_version;
    uint64_t e_entry;
    uint64_t e_phoff;
    uint64_t e_shoff;
    uint32_t e_flags;
    uint16_t e_ehsize;
    uint16_t e_phentsize;
    uint16_t e_phnum;
    uint16_t e_shentsize;
    uint16_t e_shnum;
    uint16_t e_shstrndx;
};

struct elf_phdr
{
    uint32_t p_type;
    uint32_t p_flags;
    uint64_t p_offset;
    uint64_t p_vaddr;
    uint64_t p_paddr;
    uint64_t p_filesz;
    uint64_t p_memsz;
    uint64_t p_align;
};

#define SHT_PROGBITS 1
#define SHT_NOBITS 4

#define SHF_WRITE 0x1
#define SHF_ALLOC 0x2
#define SHF_EXECINSTR 0x4

struct elf_shdr
{
    uint32_t sh_name;
    uint32_t sh_type;
    uint64_t sh_flags;
    uint64_t sh_addr;
    uint64_t sh_offset;
    uint64_t sh_size;
    uint32_t sh_link;
    uint32_t sh_info;
    uint64_t sh_addralign;
    uint64_t sh_entsize;
};

#endif