include/linux/elf.h - kernel/msm-4.9 - Gitiles

 #ifndef _LINUX_ELF_H
 #define _LINUX_ELF_H

 #include <linux/types.h>
 #include <linux/elf-em.h>
 #ifdef __KERNEL__
 #include <asm/elf.h>
 #endif

 /* 32-bit ELF base types. */
 typedef __u32	Elf32_Addr;
 typedef __u16	Elf32_Half;
 typedef __u32	Elf32_Off;
 typedef __s32	Elf32_Sword;
 typedef __u32	Elf32_Word;

 /* 64-bit ELF base types. */
 typedef __u64	Elf64_Addr;
 typedef __u16	Elf64_Half;
 typedef __s16	Elf64_SHalf;
 typedef __u64	Elf64_Off;
 typedef __s32	Elf64_Sword;
 typedef __u32	Elf64_Word;
 typedef __u64	Elf64_Xword;
 typedef __s64	Elf64_Sxword;

 /* These constants are for the segment types stored in the image headers */
 #define PT_NULL    0
 #define PT_LOAD    1
 #define PT_DYNAMIC 2
 #define PT_INTERP  3
 #define PT_NOTE    4
 #define PT_SHLIB   5
 #define PT_PHDR    6
 #define PT_TLS     7               /* Thread local storage segment */
 #define PT_LOOS    0x60000000      /* OS-specific */
 #define PT_HIOS    0x6fffffff      /* OS-specific */
 #define PT_LOPROC  0x70000000
 #define PT_HIPROC  0x7fffffff
 #define PT_GNU_EH_FRAME		0x6474e550

 #define PT_GNU_STACK	(PT_LOOS + 0x474e551)

 /*
  * Extended Numbering
  *
  * If the real number of program header table entries is larger than
  * or equal to PN_XNUM(0xffff), it is set to sh_info field of the
  * section header at index 0, and PN_XNUM is set to e_phnum
  * field. Otherwise, the section header at index 0 is zero
  * initialized, if it exists.
  *
  * Specifications are available in:
  *
  * - Sun microsystems: Linker and Libraries.
  *   Part No: 817-1984-17, September 2008.
  *   URL: http://docs.sun.com/app/docs/doc/817-1984
  *
  * - System V ABI AMD64 Architecture Processor Supplement
  *   Draft Version 0.99.,
  *   May 11, 2009.
  *   URL: http://www.x86-64.org/
  */
 #define PN_XNUM 0xffff

 /* These constants define the different elf file types */
 #define ET_NONE   0
 #define ET_REL    1
 #define ET_EXEC   2
 #define ET_DYN    3
 #define ET_CORE   4
 #define ET_LOPROC 0xff00
 #define ET_HIPROC 0xffff

 /* This is the info that is needed to parse the dynamic section of the file */
 #define DT_NULL		0
 #define DT_NEEDED	1
 #define DT_PLTRELSZ	2
 #define DT_PLTGOT	3
 #define DT_HASH		4
 #define DT_STRTAB	5
 #define DT_SYMTAB	6
 #define DT_RELA		7
 #define DT_RELASZ	8
 #define DT_RELAENT	9
 #define DT_STRSZ	10
 #define DT_SYMENT	11
 #define DT_INIT		12
 #define DT_FINI		13
 #define DT_SONAME	14
 #define DT_RPATH 	15
 #define DT_SYMBOLIC	16
 #define DT_REL	        17
 #define DT_RELSZ	18
 #define DT_RELENT	19
 #define DT_PLTREL	20
 #define DT_DEBUG	21
 #define DT_TEXTREL	22
 #define DT_JMPREL	23
 #define DT_ENCODING	32
 #define OLD_DT_LOOS	0x60000000
 #define DT_LOOS		0x6000000d
 #define DT_HIOS		0x6ffff000
 #define DT_VALRNGLO	0x6ffffd00
 #define DT_VALRNGHI	0x6ffffdff
 #define DT_ADDRRNGLO	0x6ffffe00
 #define DT_ADDRRNGHI	0x6ffffeff
 #define DT_VERSYM	0x6ffffff0
 #define DT_RELACOUNT	0x6ffffff9
 #define DT_RELCOUNT	0x6ffffffa
 #define DT_FLAGS_1	0x6ffffffb
 #define DT_VERDEF	0x6ffffffc
 #define	DT_VERDEFNUM	0x6ffffffd
 #define DT_VERNEED	0x6ffffffe
 #define	DT_VERNEEDNUM	0x6fffffff
 #define OLD_DT_HIOS     0x6fffffff
 #define DT_LOPROC	0x70000000
 #define DT_HIPROC	0x7fffffff

 /* This info is needed when parsing the symbol table */
 #define STB_LOCAL  0
 #define STB_GLOBAL 1
 #define STB_WEAK   2

 #define STT_NOTYPE  0
 #define STT_OBJECT  1
 #define STT_FUNC    2
 #define STT_SECTION 3
 #define STT_FILE    4
 #define STT_COMMON  5
 #define STT_TLS     6

 #define ELF_ST_BIND(x)		((x) >> 4)
 #define ELF_ST_TYPE(x)		(((unsigned int) x) & 0xf)
 #define ELF32_ST_BIND(x)	ELF_ST_BIND(x)
 #define ELF32_ST_TYPE(x)	ELF_ST_TYPE(x)
 #define ELF64_ST_BIND(x)	ELF_ST_BIND(x)
 #define ELF64_ST_TYPE(x)	ELF_ST_TYPE(x)

 typedef struct dynamic{
   Elf32_Sword d_tag;
   union{
     Elf32_Sword	d_val;
     Elf32_Addr	d_ptr;
   } d_un;
 } Elf32_Dyn;

 typedef struct {
   Elf64_Sxword d_tag;		/* entry tag value */
   union {
     Elf64_Xword d_val;
     Elf64_Addr d_ptr;
   } d_un;
 } Elf64_Dyn;

 /* The following are used with relocations */
 #define ELF32_R_SYM(x) ((x) >> 8)
 #define ELF32_R_TYPE(x) ((x) & 0xff)

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

 typedef struct elf32_rel {
   Elf32_Addr	r_offset;
   Elf32_Word	r_info;
 } Elf32_Rel;

 typedef struct elf64_rel {
   Elf64_Addr r_offset;	/* Location at which to apply the action */
   Elf64_Xword r_info;	/* index and type of relocation */
 } Elf64_Rel;

 typedef struct elf32_rela{
   Elf32_Addr	r_offset;
   Elf32_Word	r_info;
   Elf32_Sword	r_addend;
 } Elf32_Rela;

 typedef struct elf64_rela {
   Elf64_Addr r_offset;	/* Location at which to apply the action */
   Elf64_Xword r_info;	/* index and type of relocation */
   Elf64_Sxword r_addend;	/* Constant addend used to compute value */
 } Elf64_Rela;

 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;

 typedef struct elf64_sym {
   Elf64_Word st_name;		/* Symbol name, index in string tbl */
   unsigned char	st_info;	/* Type and binding attributes */
   unsigned char	st_other;	/* No defined meaning, 0 */
   Elf64_Half st_shndx;		/* Associated section index */
   Elf64_Addr st_value;		/* Value of the symbol */
   Elf64_Xword st_size;		/* Associated symbol size */
 } Elf64_Sym;


 #define EI_NIDENT	16

 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;  /* Entry point */
   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;

 typedef struct elf64_hdr {
   unsigned char	e_ident[EI_NIDENT];	/* ELF "magic number" */
   Elf64_Half e_type;
   Elf64_Half e_machine;
   Elf64_Word e_version;
   Elf64_Addr e_entry;		/* Entry point virtual address */
   Elf64_Off e_phoff;		/* Program header table file offset */
   Elf64_Off e_shoff;		/* Section header table file offset */
   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;

 /* These constants define the permissions on sections in the program
    header, p_flags. */
 #define PF_R		0x4
 #define PF_W		0x2
 #define PF_X		0x1

 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;

 typedef struct elf64_phdr {
   Elf64_Word p_type;
   Elf64_Word p_flags;
   Elf64_Off p_offset;		/* Segment file offset */
   Elf64_Addr p_vaddr;		/* Segment virtual address */
   Elf64_Addr p_paddr;		/* Segment physical address */
   Elf64_Xword p_filesz;		/* Segment size in file */
   Elf64_Xword p_memsz;		/* Segment size in memory */
   Elf64_Xword p_align;		/* Segment alignment, file & memory */
 } Elf64_Phdr;

 /* sh_type */
 #define SHT_NULL	0
 #define SHT_PROGBITS	1
 #define SHT_SYMTAB	2
 #define SHT_STRTAB	3
 #define SHT_RELA	4
 #define SHT_HASH	5
 #define SHT_DYNAMIC	6
 #define SHT_NOTE	7
 #define SHT_NOBITS	8
 #define SHT_REL		9
 #define SHT_SHLIB	10
 #define SHT_DYNSYM	11
 #define SHT_NUM		12
 #define SHT_LOPROC	0x70000000
 #define SHT_HIPROC	0x7fffffff
 #define SHT_LOUSER	0x80000000
 #define SHT_HIUSER	0xffffffff

 /* sh_flags */
 #define SHF_WRITE	0x1
 #define SHF_ALLOC	0x2
 #define SHF_EXECINSTR	0x4
 #define SHF_MASKPROC	0xf0000000

 /* special section indexes */
 #define SHN_UNDEF	0
 #define SHN_LORESERVE	0xff00
 #define SHN_LOPROC	0xff00
 #define SHN_HIPROC	0xff1f
 #define SHN_ABS		0xfff1
 #define SHN_COMMON	0xfff2
 #define SHN_HIRESERVE	0xffff

 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;

 typedef struct elf64_shdr {
   Elf64_Word sh_name;		/* Section name, index in string tbl */
   Elf64_Word sh_type;		/* Type of section */
   Elf64_Xword sh_flags;		/* Miscellaneous section attributes */
   Elf64_Addr sh_addr;		/* Section virtual addr at execution */
   Elf64_Off sh_offset;		/* Section file offset */
   Elf64_Xword sh_size;		/* Size of section in bytes */
   Elf64_Word sh_link;		/* Index of another section */
   Elf64_Word sh_info;		/* Additional section information */
   Elf64_Xword sh_addralign;	/* Section alignment */
   Elf64_Xword sh_entsize;	/* Entry size if section holds table */
 } Elf64_Shdr;

 #define	EI_MAG0		0		/* e_ident[] indexes */
 #define	EI_MAG1		1
 #define	EI_MAG2		2
 #define	EI_MAG3		3
 #define	EI_CLASS	4
 #define	EI_DATA		5
 #define	EI_VERSION	6
 #define	EI_OSABI	7
 #define	EI_PAD		8

 #define	ELFMAG0		0x7f		/* EI_MAG */
 #define	ELFMAG1		'E'
 #define	ELFMAG2		'L'
 #define	ELFMAG3		'F'
 #define	ELFMAG		"\177ELF"
 #define	SELFMAG		4

 #define	ELFCLASSNONE	0		/* EI_CLASS */
 #define	ELFCLASS32	1
 #define	ELFCLASS64	2
 #define	ELFCLASSNUM	3

 #define ELFDATANONE	0		/* e_ident[EI_DATA] */
 #define ELFDATA2LSB	1
 #define ELFDATA2MSB	2

 #define EV_NONE		0		/* e_version, EI_VERSION */
 #define EV_CURRENT	1
 #define EV_NUM		2

 #define ELFOSABI_NONE	0
 #define ELFOSABI_LINUX	3

 #ifndef ELF_OSABI
 #define ELF_OSABI ELFOSABI_NONE
 #endif

 /*
  * Notes used in ET_CORE. Architectures export some of the arch register sets
  * using the corresponding note types via the PTRACE_GETREGSET and
  * PTRACE_SETREGSET requests.
  */
 #define NT_PRSTATUS	1
 #define NT_PRFPREG	2
 #define NT_PRPSINFO	3
 #define NT_TASKSTRUCT	4
 #define NT_AUXV		6
 /*
  * Note to userspace developers: size of NT_SIGINFO note may increase
  * in the future to accomodate more fields, don't assume it is fixed!
  */
 #define NT_SIGINFO      0x53494749
 #define NT_FILE         0x46494c45
 #define NT_PRXFPREG     0x46e62b7f      /* copied from gdb5.1/include/elf/common.h */
 #define NT_PPC_VMX	0x100		/* PowerPC Altivec/VMX registers */
 #define NT_PPC_SPE	0x101		/* PowerPC SPE/EVR registers */
 #define NT_PPC_VSX	0x102		/* PowerPC VSX registers */
 #define NT_386_TLS	0x200		/* i386 TLS slots (struct user_desc) */
 #define NT_386_IOPERM	0x201		/* x86 io permission bitmap (1=deny) */
 #define NT_X86_XSTATE	0x202		/* x86 extended state using xsave */
 #define NT_S390_HIGH_GPRS	0x300	/* s390 upper register halves */
 #define NT_S390_TIMER	0x301		/* s390 timer register */
 #define NT_S390_TODCMP	0x302		/* s390 TOD clock comparator register */
 #define NT_S390_TODPREG	0x303		/* s390 TOD programmable register */
 #define NT_S390_CTRS	0x304		/* s390 control registers */
 #define NT_S390_PREFIX	0x305		/* s390 prefix register */
 #define NT_S390_LAST_BREAK	0x306	/* s390 breaking event address */
 #define NT_S390_SYSTEM_CALL	0x307	/* s390 system call restart data */
 #define NT_S390_TDB	0x308		/* s390 transaction diagnostic block */
 #define NT_ARM_VFP	0x400		/* ARM VFP/NEON registers */
 #define NT_ARM_TLS	0x401		/* ARM TLS register */
 #define NT_ARM_HW_BREAK	0x402		/* ARM hardware breakpoint registers */
 #define NT_ARM_HW_WATCH	0x403		/* ARM hardware watchpoint registers */


 /* Note header in a PT_NOTE section */
 typedef struct elf32_note {
   Elf32_Word	n_namesz;	/* Name size */
   Elf32_Word	n_descsz;	/* Content size */
   Elf32_Word	n_type;		/* Content type */
 } Elf32_Nhdr;

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

 #ifdef __KERNEL__
 #ifndef elf_read_implies_exec
   /* Executables for which elf_read_implies_exec() returns TRUE will
      have the READ_IMPLIES_EXEC personality flag set automatically.
      Override in asm/elf.h as needed.  */
 # define elf_read_implies_exec(ex, have_pt_gnu_stack)	0
 #endif

 #if ELF_CLASS == ELFCLASS32

 extern Elf32_Dyn _DYNAMIC [];
 #define elfhdr		elf32_hdr
 #define elf_phdr	elf32_phdr
 #define elf_shdr	elf32_shdr
 #define elf_note	elf32_note
 #define elf_addr_t	Elf32_Off
 #define Elf_Half	Elf32_Half

 #else

 extern Elf64_Dyn _DYNAMIC [];
 #define elfhdr		elf64_hdr
 #define elf_phdr	elf64_phdr
 #define elf_shdr	elf64_shdr
 #define elf_note	elf64_note
 #define elf_addr_t	Elf64_Off
 #define Elf_Half	Elf64_Half

 #endif

 /* Optional callbacks to write extra ELF notes. */
 struct file;

 #ifndef ARCH_HAVE_EXTRA_ELF_NOTES
 static inline int elf_coredump_extra_notes_size(void) { return 0; }
 static inline int elf_coredump_extra_notes_write(struct file *file,
 			loff_t *foffset) { return 0; }
 #else
 extern int elf_coredump_extra_notes_size(void);
 extern int elf_coredump_extra_notes_write(struct file *file, loff_t *foffset);
 #endif
 #endif /* __KERNEL__ */
 #endif /* _LINUX_ELF_H */
	#ifndef _LINUX_ELF_H
	#define _LINUX_ELF_H

	#include <linux/types.h>
	#include <linux/elf-em.h>
	#ifdef __KERNEL__
	#include <asm/elf.h>
	#endif

	/* 32-bit ELF base types. */
	typedef __u32 Elf32_Addr;
	typedef __u16 Elf32_Half;
	typedef __u32 Elf32_Off;
	typedef __s32 Elf32_Sword;
	typedef __u32 Elf32_Word;

	/* 64-bit ELF base types. */
	typedef __u64 Elf64_Addr;
	typedef __u16 Elf64_Half;
	typedef __s16 Elf64_SHalf;
	typedef __u64 Elf64_Off;
	typedef __s32 Elf64_Sword;
	typedef __u32 Elf64_Word;
	typedef __u64 Elf64_Xword;
	typedef __s64 Elf64_Sxword;

	/* These constants are for the segment types stored in the image headers */
	#define PT_NULL 0
	#define PT_LOAD 1
	#define PT_DYNAMIC 2
	#define PT_INTERP 3
	#define PT_NOTE 4
	#define PT_SHLIB 5
	#define PT_PHDR 6
	#define PT_TLS 7 /* Thread local storage segment */
	#define PT_LOOS 0x60000000 /* OS-specific */
	#define PT_HIOS 0x6fffffff /* OS-specific */
	#define PT_LOPROC 0x70000000
	#define PT_HIPROC 0x7fffffff
	#define PT_GNU_EH_FRAME 0x6474e550

	#define PT_GNU_STACK (PT_LOOS + 0x474e551)

	/*
	* Extended Numbering
	*
	* If the real number of program header table entries is larger than
	* or equal to PN_XNUM(0xffff), it is set to sh_info field of the
	* section header at index 0, and PN_XNUM is set to e_phnum
	* field. Otherwise, the section header at index 0 is zero
	* initialized, if it exists.
	*
	* Specifications are available in:
	*
	* - Sun microsystems: Linker and Libraries.
	* Part No: 817-1984-17, September 2008.
	* URL: http://docs.sun.com/app/docs/doc/817-1984
	*
	* - System V ABI AMD64 Architecture Processor Supplement
	* Draft Version 0.99.,
	* May 11, 2009.
	* URL: http://www.x86-64.org/
	*/
	#define PN_XNUM 0xffff

	/* These constants define the different elf file types */
	#define ET_NONE 0
	#define ET_REL 1
	#define ET_EXEC 2
	#define ET_DYN 3
	#define ET_CORE 4
	#define ET_LOPROC 0xff00
	#define ET_HIPROC 0xffff

	/* This is the info that is needed to parse the dynamic section of the file */
	#define DT_NULL 0
	#define DT_NEEDED 1
	#define DT_PLTRELSZ 2
	#define DT_PLTGOT 3
	#define DT_HASH 4
	#define DT_STRTAB 5
	#define DT_SYMTAB 6
	#define DT_RELA 7
	#define DT_RELASZ 8
	#define DT_RELAENT 9
	#define DT_STRSZ 10
	#define DT_SYMENT 11
	#define DT_INIT 12
	#define DT_FINI 13
	#define DT_SONAME 14
	#define DT_RPATH 15
	#define DT_SYMBOLIC 16
	#define DT_REL 17
	#define DT_RELSZ 18
	#define DT_RELENT 19
	#define DT_PLTREL 20
	#define DT_DEBUG 21
	#define DT_TEXTREL 22
	#define DT_JMPREL 23
	#define DT_ENCODING 32
	#define OLD_DT_LOOS 0x60000000
	#define DT_LOOS 0x6000000d
	#define DT_HIOS 0x6ffff000
	#define DT_VALRNGLO 0x6ffffd00
	#define DT_VALRNGHI 0x6ffffdff
	#define DT_ADDRRNGLO 0x6ffffe00
	#define DT_ADDRRNGHI 0x6ffffeff
	#define DT_VERSYM 0x6ffffff0
	#define DT_RELACOUNT 0x6ffffff9
	#define DT_RELCOUNT 0x6ffffffa
	#define DT_FLAGS_1 0x6ffffffb
	#define DT_VERDEF 0x6ffffffc
	#define DT_VERDEFNUM 0x6ffffffd
	#define DT_VERNEED 0x6ffffffe
	#define DT_VERNEEDNUM 0x6fffffff
	#define OLD_DT_HIOS 0x6fffffff
	#define DT_LOPROC 0x70000000
	#define DT_HIPROC 0x7fffffff

	/* This info is needed when parsing the symbol table */
	#define STB_LOCAL 0
	#define STB_GLOBAL 1
	#define STB_WEAK 2

	#define STT_NOTYPE 0
	#define STT_OBJECT 1
	#define STT_FUNC 2
	#define STT_SECTION 3
	#define STT_FILE 4
	#define STT_COMMON 5
	#define STT_TLS 6

	#define ELF_ST_BIND(x) ((x) >> 4)
	#define ELF_ST_TYPE(x) (((unsigned int) x) & 0xf)
	#define ELF32_ST_BIND(x) ELF_ST_BIND(x)
	#define ELF32_ST_TYPE(x) ELF_ST_TYPE(x)
	#define ELF64_ST_BIND(x) ELF_ST_BIND(x)
	#define ELF64_ST_TYPE(x) ELF_ST_TYPE(x)

	typedef struct dynamic{
	Elf32_Sword d_tag;
	union{
	Elf32_Sword d_val;
	Elf32_Addr d_ptr;
	} d_un;
	} Elf32_Dyn;

	typedef struct {
	Elf64_Sxword d_tag; /* entry tag value */
	union {
	Elf64_Xword d_val;
	Elf64_Addr d_ptr;
	} d_un;
	} Elf64_Dyn;

	/* The following are used with relocations */
	#define ELF32_R_SYM(x) ((x) >> 8)
	#define ELF32_R_TYPE(x) ((x) & 0xff)

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

	typedef struct elf32_rel {
	Elf32_Addr r_offset;
	Elf32_Word r_info;
	} Elf32_Rel;

	typedef struct elf64_rel {
	Elf64_Addr r_offset; /* Location at which to apply the action */
	Elf64_Xword r_info; /* index and type of relocation */
	} Elf64_Rel;

	typedef struct elf32_rela{
	Elf32_Addr r_offset;
	Elf32_Word r_info;
	Elf32_Sword r_addend;
	} Elf32_Rela;

	typedef struct elf64_rela {
	Elf64_Addr r_offset; /* Location at which to apply the action */
	Elf64_Xword r_info; /* index and type of relocation */
	Elf64_Sxword r_addend; /* Constant addend used to compute value */
	} Elf64_Rela;

	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;

	typedef struct elf64_sym {
	Elf64_Word st_name; /* Symbol name, index in string tbl */
	unsigned char st_info; /* Type and binding attributes */
	unsigned char st_other; /* No defined meaning, 0 */
	Elf64_Half st_shndx; /* Associated section index */
	Elf64_Addr st_value; /* Value of the symbol */
	Elf64_Xword st_size; /* Associated symbol size */
	} Elf64_Sym;


	#define EI_NIDENT 16

	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; /* Entry point */
	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;

	typedef struct elf64_hdr {
	unsigned char e_ident[EI_NIDENT]; /* ELF "magic number" */
	Elf64_Half e_type;
	Elf64_Half e_machine;
	Elf64_Word e_version;
	Elf64_Addr e_entry; /* Entry point virtual address */
	Elf64_Off e_phoff; /* Program header table file offset */
	Elf64_Off e_shoff; /* Section header table file offset */
	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;

	/* These constants define the permissions on sections in the program
	header, p_flags. */
	#define PF_R 0x4
	#define PF_W 0x2
	#define PF_X 0x1

	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;

	typedef struct elf64_phdr {
	Elf64_Word p_type;
	Elf64_Word p_flags;
	Elf64_Off p_offset; /* Segment file offset */
	Elf64_Addr p_vaddr; /* Segment virtual address */
	Elf64_Addr p_paddr; /* Segment physical address */
	Elf64_Xword p_filesz; /* Segment size in file */
	Elf64_Xword p_memsz; /* Segment size in memory */
	Elf64_Xword p_align; /* Segment alignment, file & memory */
	} Elf64_Phdr;

	/* sh_type */
	#define SHT_NULL 0
	#define SHT_PROGBITS 1
	#define SHT_SYMTAB 2
	#define SHT_STRTAB 3
	#define SHT_RELA 4
	#define SHT_HASH 5
	#define SHT_DYNAMIC 6
	#define SHT_NOTE 7
	#define SHT_NOBITS 8
	#define SHT_REL 9
	#define SHT_SHLIB 10
	#define SHT_DYNSYM 11
	#define SHT_NUM 12
	#define SHT_LOPROC 0x70000000
	#define SHT_HIPROC 0x7fffffff
	#define SHT_LOUSER 0x80000000
	#define SHT_HIUSER 0xffffffff

	/* sh_flags */
	#define SHF_WRITE 0x1
	#define SHF_ALLOC 0x2
	#define SHF_EXECINSTR 0x4
	#define SHF_MASKPROC 0xf0000000

	/* special section indexes */
	#define SHN_UNDEF 0
	#define SHN_LORESERVE 0xff00
	#define SHN_LOPROC 0xff00
	#define SHN_HIPROC 0xff1f
	#define SHN_ABS 0xfff1
	#define SHN_COMMON 0xfff2
	#define SHN_HIRESERVE 0xffff

	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;

	typedef struct elf64_shdr {
	Elf64_Word sh_name; /* Section name, index in string tbl */
	Elf64_Word sh_type; /* Type of section */
	Elf64_Xword sh_flags; /* Miscellaneous section attributes */
	Elf64_Addr sh_addr; /* Section virtual addr at execution */
	Elf64_Off sh_offset; /* Section file offset */
	Elf64_Xword sh_size; /* Size of section in bytes */
	Elf64_Word sh_link; /* Index of another section */
	Elf64_Word sh_info; /* Additional section information */
	Elf64_Xword sh_addralign; /* Section alignment */
	Elf64_Xword sh_entsize; /* Entry size if section holds table */
	} Elf64_Shdr;

	#define EI_MAG0 0 /* e_ident[] indexes */
	#define EI_MAG1 1
	#define EI_MAG2 2
	#define EI_MAG3 3
	#define EI_CLASS 4
	#define EI_DATA 5
	#define EI_VERSION 6
	#define EI_OSABI 7
	#define EI_PAD 8

	#define ELFMAG0 0x7f /* EI_MAG */
	#define ELFMAG1 'E'
	#define ELFMAG2 'L'
	#define ELFMAG3 'F'
	#define ELFMAG "\177ELF"
	#define SELFMAG 4

	#define ELFCLASSNONE 0 /* EI_CLASS */
	#define ELFCLASS32 1
	#define ELFCLASS64 2
	#define ELFCLASSNUM 3

	#define ELFDATANONE 0 /* e_ident[EI_DATA] */
	#define ELFDATA2LSB 1
	#define ELFDATA2MSB 2

	#define EV_NONE 0 /* e_version, EI_VERSION */
	#define EV_CURRENT 1
	#define EV_NUM 2

	#define ELFOSABI_NONE 0
	#define ELFOSABI_LINUX 3

	#ifndef ELF_OSABI
	#define ELF_OSABI ELFOSABI_NONE
	#endif

	/*
	* Notes used in ET_CORE. Architectures export some of the arch register sets
	* using the corresponding note types via the PTRACE_GETREGSET and
	* PTRACE_SETREGSET requests.
	*/
	#define NT_PRSTATUS 1
	#define NT_PRFPREG 2
	#define NT_PRPSINFO 3
	#define NT_TASKSTRUCT 4
	#define NT_AUXV 6
	/*
	* Note to userspace developers: size of NT_SIGINFO note may increase
	* in the future to accomodate more fields, don't assume it is fixed!
	*/
	#define NT_SIGINFO 0x53494749
	#define NT_FILE 0x46494c45
	#define NT_PRXFPREG 0x46e62b7f /* copied from gdb5.1/include/elf/common.h */
	#define NT_PPC_VMX 0x100 /* PowerPC Altivec/VMX registers */
	#define NT_PPC_SPE 0x101 /* PowerPC SPE/EVR registers */
	#define NT_PPC_VSX 0x102 /* PowerPC VSX registers */
	#define NT_386_TLS 0x200 /* i386 TLS slots (struct user_desc) */
	#define NT_386_IOPERM 0x201 /* x86 io permission bitmap (1=deny) */
	#define NT_X86_XSTATE 0x202 /* x86 extended state using xsave */
	#define NT_S390_HIGH_GPRS 0x300 /* s390 upper register halves */
	#define NT_S390_TIMER 0x301 /* s390 timer register */
	#define NT_S390_TODCMP 0x302 /* s390 TOD clock comparator register */
	#define NT_S390_TODPREG 0x303 /* s390 TOD programmable register */
	#define NT_S390_CTRS 0x304 /* s390 control registers */
	#define NT_S390_PREFIX 0x305 /* s390 prefix register */
	#define NT_S390_LAST_BREAK 0x306 /* s390 breaking event address */
	#define NT_S390_SYSTEM_CALL 0x307 /* s390 system call restart data */
	#define NT_S390_TDB 0x308 /* s390 transaction diagnostic block */
	#define NT_ARM_VFP 0x400 /* ARM VFP/NEON registers */
	#define NT_ARM_TLS 0x401 /* ARM TLS register */
	#define NT_ARM_HW_BREAK 0x402 /* ARM hardware breakpoint registers */
	#define NT_ARM_HW_WATCH 0x403 /* ARM hardware watchpoint registers */


	/* Note header in a PT_NOTE section */
	typedef struct elf32_note {
	Elf32_Word n_namesz; /* Name size */
	Elf32_Word n_descsz; /* Content size */
	Elf32_Word n_type; /* Content type */
	} Elf32_Nhdr;

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

	#ifdef __KERNEL__
	#ifndef elf_read_implies_exec
	/* Executables for which elf_read_implies_exec() returns TRUE will
	have the READ_IMPLIES_EXEC personality flag set automatically.
	Override in asm/elf.h as needed. */
	# define elf_read_implies_exec(ex, have_pt_gnu_stack) 0
	#endif

	#if ELF_CLASS == ELFCLASS32

	extern Elf32_Dyn _DYNAMIC [];
	#define elfhdr elf32_hdr
	#define elf_phdr elf32_phdr
	#define elf_shdr elf32_shdr
	#define elf_note elf32_note
	#define elf_addr_t Elf32_Off
	#define Elf_Half Elf32_Half

	#else

	extern Elf64_Dyn _DYNAMIC [];
	#define elfhdr elf64_hdr
	#define elf_phdr elf64_phdr
	#define elf_shdr elf64_shdr
	#define elf_note elf64_note
	#define elf_addr_t Elf64_Off
	#define Elf_Half Elf64_Half

	#endif

	/* Optional callbacks to write extra ELF notes. */
	struct file;

	#ifndef ARCH_HAVE_EXTRA_ELF_NOTES
	static inline int elf_coredump_extra_notes_size(void) { return 0; }
	static inline int elf_coredump_extra_notes_write(struct file *file,
	loff_t *foffset) { return 0; }
	#else
	extern int elf_coredump_extra_notes_size(void);
	extern int elf_coredump_extra_notes_write(struct file file, loff_t foffset);
	#endif
	#endif /* __KERNEL__ */
	#endif /* _LINUX_ELF_H */