/* *	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')