elf64.h

klibc精简化的c程序库

/*
 * sys/elf64.h
 */

#ifndef _SYS_ELF64_H
#define _SYS_ELF64_H

#include <sys/elfcommon.h>

/* ELF standard typedefs (yet more proof that <stdint.h> was way overdue) */
typedef uint16_t Elf64_Half;
typedef int16_t Elf64_SHalf;
typedef uint32_t Elf64_Word;
typedef int32_t Elf64_Sword;
typedef uint64_t Elf64_Xword;
typedef int64_t Elf64_Sxword;

typedef uint64_t Elf64_Off;
typedef uint64_t Elf64_Addr;
typedef uint16_t Elf64_Section;

/* Dynamic header */

typedef struct elf64_dyn {
	Elf64_Sxword d_tag;
	union {
		Elf64_Xword d_val;
		Elf64_Addr d_ptr;
	} d_un;
} Elf64_Dyn;

/* Relocations */

#define ELF64_R_SYM(x)	((x) >> 32)
#define ELF64_R_TYPE(x)	((x) & 0xffffffff)

typedef struct elf64_rel {
	Elf64_Addr r_offset;
	Elf64_Xword r_info;
} Elf64_Rel;

typedef struct elf64_rela {
	Elf64_Addr r_offset;
	Elf64_Xword r_info;
	Elf64_Sxword r_addend;
} Elf64_Rela;

/* Symbol */

typedef struct elf64_sym {
	Elf64_Word st_name;
	unsigned char st_info;
	unsigned char st_other;
	Elf64_Half st_shndx;
	Elf64_Addr st_value;
	Elf64_Xword st_size;
} Elf64_Sym;

/* Main file header */

typedef struct elf64_hdr {
	unsigned char e_ident[EI_NIDENT];
	Elf64_Half e_type;
	Elf64_Half e_machine;
	Elf64_Word e_version;
	Elf64_Addr e_entry;
	Elf64_Off e_phoff;
	Elf64_Off e_shoff;
	Elf64_Word e_flags;
	Elf64_Half e_ehsize;
	Elf64_Half e_phentsize;
	Elf64_Half e_phnum;
	Elf64_Half e_shentsize;
	Elf64_Half e_shnum;
	Elf64_Half e_shstrndx;
} Elf64_Ehdr;

/* Program header */

typedef struct elf64_phdr {
	Elf64_Word p_type;
	Elf64_Word p_flags;
	Elf64_Off p_offset;
	Elf64_Addr p_vaddr;
	Elf64_Addr p_paddr;
	Elf64_Xword p_filesz;
	Elf64_Xword p_memsz;
	Elf64_Xword p_align;
} Elf64_Phdr;

/* Section header */

typedef struct elf64_shdr {
	Elf64_Word sh_name;
	Elf64_Word sh_type;
	Elf64_Xword sh_flags;
	Elf64_Addr sh_addr;
	Elf64_Off sh_offset;
	Elf64_Xword sh_size;
	Elf64_Word sh_link;
	Elf64_Word sh_info;
	Elf64_Xword sh_addralign;
	Elf64_Xword sh_entsize;
} Elf64_Shdr;

/* Note header */
typedef struct elf64_note {
	Elf64_Word n_namesz;	/* Name size */
	Elf64_Word n_descsz;	/* Content size */
	Elf64_Word n_type;	/* Content type */
} Elf64_Nhdr;

#endif				/* _SYS_ELF64_H */