#ifndef __ELF64_H
#define __ELF64_H

#include "os.h"

#define ELF64_P_EXEC (1<<0)

typedef u64 Elf64_Addr;
typedef u64 Elf64_Off;
typedef u16 Elf64_Half;
typedef u32 Elf64_Word;
typedef i32 Elf64_Sword;
typedef u64 Elf64_Xword;
typedef i64 Elf64_Sxword;

typedef struct
{
	unsigned char e_ident[16]; 	/* ELF identification */
	Elf64_Half e_type; 			/* Object file type */
	Elf64_Half e_machine; 		/* Machine type */
	Elf64_Word e_version; 		/* Object file version */
	Elf64_Addr e_entry; 		/* Entry point address */
	Elf64_Off e_phoff; 			/* Program header offset */
	Elf64_Off e_shoff; 			/* Section header offset */
	Elf64_Word e_flags; 		/* Processor-specific flags */
	Elf64_Half e_ehsize; 		/* ELF header size */
	Elf64_Half e_phentsize; 	/* Size of program header entry */
	Elf64_Half e_phnum; 		/* Number of program header entries */
	Elf64_Half e_shentsize; 	/* Size of section header entry */
	Elf64_Half e_shnum; 		/* Number of section header entries */
	Elf64_Half e_shstrndx; 		/* Section name string table index */
} Elf64_Ehdr;

typedef struct
{
	Elf64_Word p_type; 			/* Type of segment */
	Elf64_Word p_flags; 		/* Segment attributes */
	Elf64_Off p_offset; 		/* Offset in file */
	Elf64_Addr p_vaddr; 		/* Virtual address in memory */
	Elf64_Addr p_paddr; 		/* Reserved */
	Elf64_Xword p_filesz; 		/* Size of segment in file */
	Elf64_Xword p_memsz; 		/* Size of segment in memory */
	Elf64_Xword p_align; 		/* Alignment of segment */
} Elf64_Phdr;

#endif