[linux.git] / include / linux / elf.h

#ifndef _LINUX_ELF_H
#define _LINUX_ELF_H

#include <linux/types.h>
#include <linux/auxvec.h>
#include <linux/elf-em.h>
#include <asm/elf.h>

struct file;

#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

/* 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)

/* 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[16];		/* 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_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 */
#define NT_PRSTATUS	1
#define NT_PRFPREG	2
#define NT_PRPSINFO	3
#define NT_TASKSTRUCT	4
#define NT_AUXV		6
#define NT_PRXFPREG     0x46e62b7f      /* copied from gdb5.1/include/elf/common.h */


/* 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;

#if ELF_CLASS == ELFCLASS32

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

#else

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

#endif

#ifndef ARCH_HAVE_EXTRA_ELF_NOTES
static inline int arch_notes_size(void) { return 0; }
static inline void arch_write_notes(struct file *file) { }

#define ELF_CORE_EXTRA_NOTES_SIZE arch_notes_size()
#define ELF_CORE_WRITE_EXTRA_NOTES arch_write_notes(file)
#endif /* ARCH_HAVE_EXTRA_ELF_NOTES */

#endif /* _LINUX_ELF_H */
Commit	Line	Data
1da177e4 LT	1	#ifndef _LINUX_ELF_H
	2	#define _LINUX_ELF_H
	3
	4	#include <linux/types.h>
36d57ac4	5	#include <linux/auxvec.h>
f001e47f	6	#include <linux/elf-em.h>
1da177e4 LT	7	#include <asm/elf.h>
1da177e4 LT	8
6cf24f03 AM	9	struct file;
6cf24f03 AM	10
1da177e4 LT	11	#ifndef elf_read_implies_exec
	12	/* Executables for which elf_read_implies_exec() returns TRUE will
	13	have the READ_IMPLIES_EXEC personality flag set automatically.
	14	Override in asm/elf.h as needed. */
	15	# define elf_read_implies_exec(ex, have_pt_gnu_stack) 0
	16	#endif
	17
	18	/* 32-bit ELF base types. */
	19	typedef __u32 Elf32_Addr;
	20	typedef __u16 Elf32_Half;
	21	typedef __u32 Elf32_Off;
	22	typedef __s32 Elf32_Sword;
	23	typedef __u32 Elf32_Word;
	24
	25	/* 64-bit ELF base types. */
	26	typedef __u64 Elf64_Addr;
	27	typedef __u16 Elf64_Half;
	28	typedef __s16 Elf64_SHalf;
	29	typedef __u64 Elf64_Off;
	30	typedef __s32 Elf64_Sword;
	31	typedef __u32 Elf64_Word;
	32	typedef __u64 Elf64_Xword;
	33	typedef __s64 Elf64_Sxword;
	34
	35	/* These constants are for the segment types stored in the image headers */
	36	#define PT_NULL 0
	37	#define PT_LOAD 1
	38	#define PT_DYNAMIC 2
	39	#define PT_INTERP 3
	40	#define PT_NOTE 4
	41	#define PT_SHLIB 5
	42	#define PT_PHDR 6
	43	#define PT_TLS 7 /* Thread local storage segment */
	44	#define PT_LOOS 0x60000000 /* OS-specific */
	45	#define PT_HIOS 0x6fffffff /* OS-specific */
	46	#define PT_LOPROC 0x70000000
	47	#define PT_HIPROC 0x7fffffff
	48	#define PT_GNU_EH_FRAME 0x6474e550
	49
	50	#define PT_GNU_STACK (PT_LOOS + 0x474e551)
	51
	52	/* These constants define the different elf file types */
	53	#define ET_NONE 0
	54	#define ET_REL 1
	55	#define ET_EXEC 2
	56	#define ET_DYN 3
	57	#define ET_CORE 4
	58	#define ET_LOPROC 0xff00
	59	#define ET_HIPROC 0xffff
	60
1da177e4 LT	61	/* This is the info that is needed to parse the dynamic section of the file */
	62	#define DT_NULL 0
	63	#define DT_NEEDED 1
	64	#define DT_PLTRELSZ 2
	65	#define DT_PLTGOT 3
	66	#define DT_HASH 4
	67	#define DT_STRTAB 5
	68	#define DT_SYMTAB 6
	69	#define DT_RELA 7
	70	#define DT_RELASZ 8
	71	#define DT_RELAENT 9
	72	#define DT_STRSZ 10
	73	#define DT_SYMENT 11
	74	#define DT_INIT 12
	75	#define DT_FINI 13
	76	#define DT_SONAME 14
	77	#define DT_RPATH 15
	78	#define DT_SYMBOLIC 16
	79	#define DT_REL 17
	80	#define DT_RELSZ 18
	81	#define DT_RELENT 19
	82	#define DT_PLTREL 20
	83	#define DT_DEBUG 21
	84	#define DT_TEXTREL 22
	85	#define DT_JMPREL 23
d4f7a2c1 JF	86	#define DT_ENCODING 32
	87	#define OLD_DT_LOOS 0x60000000
	88	#define DT_LOOS 0x6000000d
	89	#define DT_HIOS 0x6ffff000
	90	#define DT_VALRNGLO 0x6ffffd00
	91	#define DT_VALRNGHI 0x6ffffdff
	92	#define DT_ADDRRNGLO 0x6ffffe00
	93	#define DT_ADDRRNGHI 0x6ffffeff
	94	#define DT_VERSYM 0x6ffffff0
	95	#define DT_RELACOUNT 0x6ffffff9
	96	#define DT_RELCOUNT 0x6ffffffa
	97	#define DT_FLAGS_1 0x6ffffffb
	98	#define DT_VERDEF 0x6ffffffc
	99	#define DT_VERDEFNUM 0x6ffffffd
	100	#define DT_VERNEED 0x6ffffffe
	101	#define DT_VERNEEDNUM 0x6fffffff
	102	#define OLD_DT_HIOS 0x6fffffff
1da177e4 LT	103	#define DT_LOPROC 0x70000000
	104	#define DT_HIPROC 0x7fffffff
	105
	106	/* This info is needed when parsing the symbol table */
	107	#define STB_LOCAL 0
	108	#define STB_GLOBAL 1
	109	#define STB_WEAK 2
	110
	111	#define STT_NOTYPE 0
	112	#define STT_OBJECT 1
	113	#define STT_FUNC 2
	114	#define STT_SECTION 3
	115	#define STT_FILE 4
b3f3d614 JB	116	#define STT_COMMON 5
b3f3d614 JB	117	#define STT_TLS 6
1da177e4 LT	118
	119	#define ELF_ST_BIND(x) ((x) >> 4)
	120	#define ELF_ST_TYPE(x) (((unsigned int) x) & 0xf)
	121	#define ELF32_ST_BIND(x) ELF_ST_BIND(x)
	122	#define ELF32_ST_TYPE(x) ELF_ST_TYPE(x)
	123	#define ELF64_ST_BIND(x) ELF_ST_BIND(x)
	124	#define ELF64_ST_TYPE(x) ELF_ST_TYPE(x)
	125
1da177e4 LT	126	typedef struct dynamic{
	127	Elf32_Sword d_tag;
	128	union{
	129	Elf32_Sword d_val;
	130	Elf32_Addr d_ptr;
	131	} d_un;
	132	} Elf32_Dyn;
	133
	134	typedef struct {
	135	Elf64_Sxword d_tag; /* entry tag value */
	136	union {
	137	Elf64_Xword d_val;
	138	Elf64_Addr d_ptr;
	139	} d_un;
	140	} Elf64_Dyn;
	141
	142	/* The following are used with relocations */
	143	#define ELF32_R_SYM(x) ((x) >> 8)
	144	#define ELF32_R_TYPE(x) ((x) & 0xff)
	145
	146	#define ELF64_R_SYM(i) ((i) >> 32)
	147	#define ELF64_R_TYPE(i) ((i) & 0xffffffff)
	148
	149	typedef struct elf32_rel {
	150	Elf32_Addr r_offset;
	151	Elf32_Word r_info;
	152	} Elf32_Rel;
	153
	154	typedef struct elf64_rel {
	155	Elf64_Addr r_offset; /* Location at which to apply the action */
	156	Elf64_Xword r_info; /* index and type of relocation */
	157	} Elf64_Rel;
	158
	159	typedef struct elf32_rela{
	160	Elf32_Addr r_offset;
	161	Elf32_Word r_info;
	162	Elf32_Sword r_addend;
	163	} Elf32_Rela;
	164
	165	typedef struct elf64_rela {
	166	Elf64_Addr r_offset; /* Location at which to apply the action */
	167	Elf64_Xword r_info; /* index and type of relocation */
	168	Elf64_Sxword r_addend; /* Constant addend used to compute value */
	169	} Elf64_Rela;
	170
	171	typedef struct elf32_sym{
	172	Elf32_Word st_name;
	173	Elf32_Addr st_value;
	174	Elf32_Word st_size;
	175	unsigned char st_info;
	176	unsigned char st_other;
	177	Elf32_Half st_shndx;
	178	} Elf32_Sym;
	179
	180	typedef struct elf64_sym {
	181	Elf64_Word st_name; /* Symbol name, index in string tbl */
	182	unsigned char st_info; /* Type and binding attributes */
	183	unsigned char st_other; /* No defined meaning, 0 */
	184	Elf64_Half st_shndx; /* Associated section index */
	185	Elf64_Addr st_value; /* Value of the symbol */
	186	Elf64_Xword st_size; /* Associated symbol size */
	187	} Elf64_Sym;
	188
	189
190	#define EI_NIDENT 16
191
192	typedef struct elf32_hdr{
193	unsigned char e_ident[EI_NIDENT];
194	Elf32_Half e_type;
195	Elf32_Half e_machine;
196	Elf32_Word e_version;
197	Elf32_Addr e_entry; /* Entry point */
198	Elf32_Off e_phoff;
199	Elf32_Off e_shoff;
200	Elf32_Word e_flags;
201	Elf32_Half e_ehsize;
202	Elf32_Half e_phentsize;
203	Elf32_Half e_phnum;
204	Elf32_Half e_shentsize;
205	Elf32_Half e_shnum;
206	Elf32_Half e_shstrndx;
207	} Elf32_Ehdr;
208
209	typedef struct elf64_hdr {
210	unsigned char e_ident[16]; /* ELF "magic number" */
211	Elf64_Half e_type;
212	Elf64_Half e_machine;
213	Elf64_Word e_version;
214	Elf64_Addr e_entry; /* Entry point virtual address */
215	Elf64_Off e_phoff; /* Program header table file offset */
216	Elf64_Off e_shoff; /* Section header table file offset */
217	Elf64_Word e_flags;
218	Elf64_Half e_ehsize;
219	Elf64_Half e_phentsize;
220	Elf64_Half e_phnum;
221	Elf64_Half e_shentsize;
222	Elf64_Half e_shnum;
223	Elf64_Half e_shstrndx;
224	} Elf64_Ehdr;
225
226	/* These constants define the permissions on sections in the program
227	header, p_flags. */
228	#define PF_R 0x4
229	#define PF_W 0x2
230	#define PF_X 0x1
231
232	typedef struct elf32_phdr{
233	Elf32_Word p_type;
234	Elf32_Off p_offset;
235	Elf32_Addr p_vaddr;
236	Elf32_Addr p_paddr;
237	Elf32_Word p_filesz;
238	Elf32_Word p_memsz;
239	Elf32_Word p_flags;
240	Elf32_Word p_align;
241	} Elf32_Phdr;
242
243	typedef struct elf64_phdr {
244	Elf64_Word p_type;
245	Elf64_Word p_flags;
246	Elf64_Off p_offset; /* Segment file offset */
247	Elf64_Addr p_vaddr; /* Segment virtual address */
248	Elf64_Addr p_paddr; /* Segment physical address */
249	Elf64_Xword p_filesz; /* Segment size in file */
250	Elf64_Xword p_memsz; /* Segment size in memory */
251	Elf64_Xword p_align; /* Segment alignment, file & memory */
252	} Elf64_Phdr;
253
254	/* sh_type */
255	#define SHT_NULL 0
256	#define SHT_PROGBITS 1
257	#define SHT_SYMTAB 2
258	#define SHT_STRTAB 3
259	#define SHT_RELA 4
260	#define SHT_HASH 5
261	#define SHT_DYNAMIC 6
262	#define SHT_NOTE 7
263	#define SHT_NOBITS 8
264	#define SHT_REL 9
265	#define SHT_SHLIB 10
266	#define SHT_DYNSYM 11
267	#define SHT_NUM 12
268	#define SHT_LOPROC 0x70000000
269	#define SHT_HIPROC 0x7fffffff
270	#define SHT_LOUSER 0x80000000
271	#define SHT_HIUSER 0xffffffff
272
273	/* sh_flags */
274	#define SHF_WRITE 0x1
275	#define SHF_ALLOC 0x2
276	#define SHF_EXECINSTR 0x4
277	#define SHF_MASKPROC 0xf0000000
278
279	/* special section indexes */
280	#define SHN_UNDEF 0
281	#define SHN_LORESERVE 0xff00
282	#define SHN_LOPROC 0xff00
283	#define SHN_HIPROC 0xff1f
284	#define SHN_ABS 0xfff1
285	#define SHN_COMMON 0xfff2
286	#define SHN_HIRESERVE 0xffff
287
288	typedef struct {
289	Elf32_Word sh_name;
290	Elf32_Word sh_type;
291	Elf32_Word sh_flags;
292	Elf32_Addr sh_addr;
293	Elf32_Off sh_offset;
294	Elf32_Word sh_size;
295	Elf32_Word sh_link;
296	Elf32_Word sh_info;
297	Elf32_Word sh_addralign;
298	Elf32_Word sh_entsize;
299	} Elf32_Shdr;
300
301	typedef struct elf64_shdr {
302	Elf64_Word sh_name; /* Section name, index in string tbl */
303	Elf64_Word sh_type; /* Type of section */
304	Elf64_Xword sh_flags; /* Miscellaneous section attributes */
305	Elf64_Addr sh_addr; /* Section virtual addr at execution */
306	Elf64_Off sh_offset; /* Section file offset */
307	Elf64_Xword sh_size; /* Size of section in bytes */
308	Elf64_Word sh_link; /* Index of another section */
309	Elf64_Word sh_info; /* Additional section information */
310	Elf64_Xword sh_addralign; /* Section alignment */
311	Elf64_Xword sh_entsize; /* Entry size if section holds table */
312	} Elf64_Shdr;
313
314	#define EI_MAG0 0 /* e_ident[] indexes */
315	#define EI_MAG1 1
316	#define EI_MAG2 2
317	#define EI_MAG3 3
318	#define EI_CLASS 4
319	#define EI_DATA 5
320	#define EI_VERSION 6
321	#define EI_OSABI 7
322	#define EI_PAD 8
323
324	#define ELFMAG0 0x7f /* EI_MAG */
325	#define ELFMAG1 'E'
326	#define ELFMAG2 'L'
327	#define ELFMAG3 'F'
328	#define ELFMAG "\177ELF"
329	#define SELFMAG 4
330
331	#define ELFCLASSNONE 0 /* EI_CLASS */
332	#define ELFCLASS32 1
333	#define ELFCLASS64 2
334	#define ELFCLASSNUM 3
335
336	#define ELFDATANONE 0 /* e_ident[EI_DATA] */
337	#define ELFDATA2LSB 1
338	#define ELFDATA2MSB 2
339
340	#define EV_NONE 0 /* e_version, EI_VERSION */
341	#define EV_CURRENT 1
342	#define EV_NUM 2
343
344	#define ELFOSABI_NONE 0
345	#define ELFOSABI_LINUX 3
346
347	#ifndef ELF_OSABI
348	#define ELF_OSABI ELFOSABI_NONE
349	#endif
350
351	/* Notes used in ET_CORE */
352	#define NT_PRSTATUS 1
353	#define NT_PRFPREG 2
354	#define NT_PRPSINFO 3
355	#define NT_TASKSTRUCT 4
356	#define NT_AUXV 6
357	#define NT_PRXFPREG 0x46e62b7f /* copied from gdb5.1/include/elf/common.h */
358
359
360	/* Note header in a PT_NOTE section */
361	typedef struct elf32_note {
362	Elf32_Word n_namesz; /* Name size */
363	Elf32_Word n_descsz; /* Content size */
364	Elf32_Word n_type; /* Content type */
365	} Elf32_Nhdr;
366
367	/* Note header in a PT_NOTE section */
368	typedef struct elf64_note {
369	Elf64_Word n_namesz; /* Name size */
370	Elf64_Word n_descsz; /* Content size */
371	Elf64_Word n_type; /* Content type */
372	} Elf64_Nhdr;
373
374	#if ELF_CLASS == ELFCLASS32
375
376	extern Elf32_Dyn _DYNAMIC [];
377	#define elfhdr elf32_hdr
378	#define elf_phdr elf32_phdr
379	#define elf_note elf32_note
386d9a7e	380	#define elf_addr_t Elf32_Off
1da177e4 LT	381
	382	#else
	383
	384	extern Elf64_Dyn _DYNAMIC [];
	385	#define elfhdr elf64_hdr
	386	#define elf_phdr elf64_phdr
	387	#define elf_note elf64_note
386d9a7e	388	#define elf_addr_t Elf64_Off
1da177e4 LT	389
	390	#endif
	391
bf1ab978 DGM	392	#ifndef ARCH_HAVE_EXTRA_ELF_NOTES
	393	static inline int arch_notes_size(void) { return 0; }
	394	static inline void arch_write_notes(struct file *file) { }
	395
	396	#define ELF_CORE_EXTRA_NOTES_SIZE arch_notes_size()
	397	#define ELF_CORE_WRITE_EXTRA_NOTES arch_write_notes(file)
	398	#endif /* ARCH_HAVE_EXTRA_ELF_NOTES */
1da177e4 LT	399
1da177e4 LT	400	#endif /* _LINUX_ELF_H */