blob: 6da2ddb6851e0ff3326c3523f7998f6118c12475 [file] [log] [blame]
/*
* sys/elf32.h
*/
#ifndef _SYS_ELF32_H
#define _SYS_ELF32_H
#include <sys/elfcommon.h>
/* ELF standard typedefs (yet more proof that <stdint.h> was way overdue) */
typedef uint16_t Elf32_Half;
typedef int16_t Elf32_SHalf;
typedef uint32_t Elf32_Word;
typedef int32_t Elf32_Sword;
typedef uint64_t Elf32_Xword;
typedef int64_t Elf32_Sxword;
typedef uint32_t Elf32_Off;
typedef uint32_t Elf32_Addr;
typedef uint16_t Elf32_Section;
/* Dynamic header */
typedef struct elf32_dyn {
Elf32_Sword d_tag;
union {
Elf32_Sword d_val;
Elf32_Addr d_ptr;
} d_un;
} Elf32_Dyn;
/* Relocations */
#define ELF32_R_SYM(x) ((x) >> 8)
#define ELF32_R_TYPE(x) ((x) & 0xff)
typedef struct elf32_rel {
Elf32_Addr r_offset;
Elf32_Word r_info;
} Elf32_Rel;
typedef struct elf32_rela {
Elf32_Addr r_offset;
Elf32_Word r_info;
Elf32_Sword r_addend;
} Elf32_Rela;
/* Symbol */
typedef struct elf32_sym {
Elf32_Word st_name;
Elf32_Addr st_value;
Elf32_Word st_size;
unsigned char st_info;
unsigned char st_other;
Elf32_Half st_shndx;
} Elf32_Sym;
/* Main file header */
typedef struct elf32_hdr {
unsigned char e_ident[EI_NIDENT];
Elf32_Half e_type;
Elf32_Half e_machine;
Elf32_Word e_version;
Elf32_Addr e_entry;
Elf32_Off e_phoff;
Elf32_Off e_shoff;
Elf32_Word e_flags;
Elf32_Half e_ehsize;
Elf32_Half e_phentsize;
Elf32_Half e_phnum;
Elf32_Half e_shentsize;
Elf32_Half e_shnum;
Elf32_Half e_shstrndx;
} Elf32_Ehdr;
/* Program header */
typedef struct elf32_phdr {
Elf32_Word p_type;
Elf32_Off p_offset;
Elf32_Addr p_vaddr;
Elf32_Addr p_paddr;
Elf32_Word p_filesz;
Elf32_Word p_memsz;
Elf32_Word p_flags;
Elf32_Word p_align;
} Elf32_Phdr;
/* Section header */
typedef struct elf32_shdr {
Elf32_Word sh_name;
Elf32_Word sh_type;
Elf32_Word sh_flags;
Elf32_Addr sh_addr;
Elf32_Off sh_offset;
Elf32_Word sh_size;
Elf32_Word sh_link;
Elf32_Word sh_info;
Elf32_Word sh_addralign;
Elf32_Word sh_entsize;
} Elf32_Shdr;
/* Note header */
typedef struct elf32_note {
Elf32_Word n_namesz; /* Name size */
Elf32_Word n_descsz; /* Content size */
Elf32_Word n_type; /* Content type */
} Elf32_Nhdr;
/* How to extract and insert information held in the st_info field. */
#define ELF32_ST_BIND(val) (((unsigned char) (val)) >> 4)
#define ELF32_ST_TYPE(val) ((val) & 0xf)
#endif /* _SYS_ELF32_H */