ref: 90032afb5f48daa2f05f572b645da92db945284f
dir: /sys/src/libmach/elf.h/
/*
* Definitions needed for accessing ELF headers
*/
typedef struct {
uchar ident[16]; /* ident bytes */
ushort type; /* file type */
ushort machine; /* target machine */
int version; /* file version */
ulong elfentry; /* start address */
ulong phoff; /* phdr file offset */
ulong shoff; /* shdr file offset */
int flags; /* file flags */
ushort ehsize; /* sizeof ehdr */
ushort phentsize; /* sizeof phdr */
ushort phnum; /* number phdrs */
ushort shentsize; /* sizeof shdr */
ushort shnum; /* number shdrs */
ushort shstrndx; /* shdr string index */
} Ehdr;
typedef struct {
u8int ident[16]; /* ident bytes */
u16int type; /* file type */
u16int machine; /* target machine */
u32int version; /* file version */
u64int elfentry; /* start address */
u64int phoff; /* phdr file offset */
u64int shoff; /* shdr file offset */
u32int flags; /* file flags */
u16int ehsize; /* sizeof ehdr */
u16int phentsize; /* sizeof phdr */
u16int phnum; /* number phdrs */
u16int shentsize; /* sizeof shdr */
u16int shnum; /* number shdrs */
u16int shstrndx; /* shdr string index */
} E64hdr;
typedef struct {
int type; /* entry type */
ulong offset; /* file offset */
ulong vaddr; /* virtual address */
ulong paddr; /* physical address */
int filesz; /* file size */
ulong memsz; /* memory size */
int flags; /* entry flags */
int align; /* memory/file alignment */
} Phdr;
typedef struct {
u32int type; /* entry type */
u32int flags; /* entry flags */
u64int offset; /* file offset */
u64int vaddr; /* virtual address */
u64int paddr; /* physical address */
u64int filesz; /* file size */
u64int memsz; /* memory size */
u64int align; /* memory/file alignment */
} P64hdr;
typedef struct {
ulong name; /* section name */
ulong type; /* SHT_... */
ulong flags; /* SHF_... */
ulong addr; /* virtual address */
ulong offset; /* file offset */
ulong size; /* section size */
ulong link; /* misc info */
ulong info; /* misc info */
ulong addralign; /* memory alignment */
ulong entsize; /* entry size if table */
} Shdr;
typedef struct {
u32int name; /* section name */
u32int type; /* SHT_... */
u64int flags; /* SHF_... */
u64int addr; /* virtual address */
u64int offset; /* file offset */
u64int size; /* section size */
u32int link; /* misc info */
u32int info; /* misc info */
u64int addralign; /* memory alignment */
u64int entsize; /* entry size if table */
} S64hdr;
enum {
/* Ehdr codes */
MAG0 = 0, /* ident[] indexes */
MAG1 = 1,
MAG2 = 2,
MAG3 = 3,
CLASS = 4,
DATA = 5,
VERSION = 6,
ELFCLASSNONE = 0, /* ident[CLASS] */
ELFCLASS32 = 1,
ELFCLASS64 = 2,
ELFCLASSNUM = 3,
ELFDATANONE = 0, /* ident[DATA] */
ELFDATA2LSB = 1,
ELFDATA2MSB = 2,
ELFDATANUM = 3,
NOETYPE = 0, /* type */
REL = 1,
EXEC = 2,
DYN = 3,
CORE = 4,
NONE = 0, /* machine */
M32 = 1, /* AT&T WE 32100 */
SPARC = 2, /* Sun SPARC */
I386 = 3, /* Intel 80386 */
M68K = 4, /* Motorola 68000 */
M88K = 5, /* Motorola 88000 */
I486 = 6, /* Intel 80486 */
I860 = 7, /* Intel i860 */
MIPS = 8, /* Mips R2000 */
S370 = 9, /* Amdhal */
SPARC64 = 18, /* Sun SPARC v9 */
POWER = 20, /* PowerPC */
POWER64 = 21, /* PowerPC64 */
ARM = 40, /* ARM */
AMD64 = 62, /* Amd64 */
ARM64 = 183, /* ARM64 */
NO_VERSION = 0, /* version, ident[VERSION] */
CURRENT = 1,
/* Phdr Codes */
NOPTYPE = 0, /* type */
LOAD = 1,
DYNAMIC = 2,
INTERP = 3,
NOTE = 4,
SHLIB = 5,
PHDR = 6,
R = 0x4, /* flags */
W = 0x2,
X = 0x1,
/* Shdr Codes */
Progbits = 1, /* section types */
Strtab = 3,
Nobits = 8,
Swrite = 1, /* section attributes */
Salloc = 2,
Sexec = 4,
};
#define ELF_MAG ((0x7f<<24) | ('E'<<16) | ('L'<<8) | 'F')