[linux-2.6-block.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_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
	86	#define DT_LOPROC 0x70000000
	87	#define DT_HIPROC 0x7fffffff
	88
	89	/* This info is needed when parsing the symbol table */
	90	#define STB_LOCAL 0
	91	#define STB_GLOBAL 1
	92	#define STB_WEAK 2
	93
	94	#define STT_NOTYPE 0
	95	#define STT_OBJECT 1
	96	#define STT_FUNC 2
	97	#define STT_SECTION 3
	98	#define STT_FILE 4
b3f3d614 JB	99	#define STT_COMMON 5
b3f3d614 JB	100	#define STT_TLS 6
1da177e4 LT	101
	102	#define ELF_ST_BIND(x) ((x) >> 4)
	103	#define ELF_ST_TYPE(x) (((unsigned int) x) & 0xf)
	104	#define ELF32_ST_BIND(x) ELF_ST_BIND(x)
	105	#define ELF32_ST_TYPE(x) ELF_ST_TYPE(x)
	106	#define ELF64_ST_BIND(x) ELF_ST_BIND(x)
	107	#define ELF64_ST_TYPE(x) ELF_ST_TYPE(x)
	108
1da177e4 LT	109	typedef struct dynamic{
	110	Elf32_Sword d_tag;
	111	union{
	112	Elf32_Sword d_val;
	113	Elf32_Addr d_ptr;
	114	} d_un;
	115	} Elf32_Dyn;
	116
	117	typedef struct {
	118	Elf64_Sxword d_tag; /* entry tag value */
	119	union {
	120	Elf64_Xword d_val;
	121	Elf64_Addr d_ptr;
	122	} d_un;
	123	} Elf64_Dyn;
	124
	125	/* The following are used with relocations */
	126	#define ELF32_R_SYM(x) ((x) >> 8)
	127	#define ELF32_R_TYPE(x) ((x) & 0xff)
	128
	129	#define ELF64_R_SYM(i) ((i) >> 32)
	130	#define ELF64_R_TYPE(i) ((i) & 0xffffffff)
	131
	132	typedef struct elf32_rel {
	133	Elf32_Addr r_offset;
	134	Elf32_Word r_info;
	135	} Elf32_Rel;
	136
	137	typedef struct elf64_rel {
	138	Elf64_Addr r_offset; /* Location at which to apply the action */
	139	Elf64_Xword r_info; /* index and type of relocation */
	140	} Elf64_Rel;
	141
	142	typedef struct elf32_rela{
	143	Elf32_Addr r_offset;
	144	Elf32_Word r_info;
	145	Elf32_Sword r_addend;
	146	} Elf32_Rela;
	147
	148	typedef struct elf64_rela {
	149	Elf64_Addr r_offset; /* Location at which to apply the action */
	150	Elf64_Xword r_info; /* index and type of relocation */
	151	Elf64_Sxword r_addend; /* Constant addend used to compute value */
	152	} Elf64_Rela;
	153
	154	typedef struct elf32_sym{
	155	Elf32_Word st_name;
	156	Elf32_Addr st_value;
	157	Elf32_Word st_size;
	158	unsigned char st_info;
	159	unsigned char st_other;
	160	Elf32_Half st_shndx;
	161	} Elf32_Sym;
	162
	163	typedef struct elf64_sym {
	164	Elf64_Word st_name; /* Symbol name, index in string tbl */
	165	unsigned char st_info; /* Type and binding attributes */
	166	unsigned char st_other; /* No defined meaning, 0 */
	167	Elf64_Half st_shndx; /* Associated section index */
	168	Elf64_Addr st_value; /* Value of the symbol */
	169	Elf64_Xword st_size; /* Associated symbol size */
	170	} Elf64_Sym;
	171
	172
173	#define EI_NIDENT 16
174
175	typedef struct elf32_hdr{
176	unsigned char e_ident[EI_NIDENT];
177	Elf32_Half e_type;
178	Elf32_Half e_machine;
179	Elf32_Word e_version;
180	Elf32_Addr e_entry; /* Entry point */
181	Elf32_Off e_phoff;
182	Elf32_Off e_shoff;
183	Elf32_Word e_flags;
184	Elf32_Half e_ehsize;
185	Elf32_Half e_phentsize;
186	Elf32_Half e_phnum;
187	Elf32_Half e_shentsize;
188	Elf32_Half e_shnum;
189	Elf32_Half e_shstrndx;
190	} Elf32_Ehdr;
191
192	typedef struct elf64_hdr {
193	unsigned char e_ident[16]; /* ELF "magic number" */
194	Elf64_Half e_type;
195	Elf64_Half e_machine;
196	Elf64_Word e_version;
197	Elf64_Addr e_entry; /* Entry point virtual address */
198	Elf64_Off e_phoff; /* Program header table file offset */
199	Elf64_Off e_shoff; /* Section header table file offset */
200	Elf64_Word e_flags;
201	Elf64_Half e_ehsize;
202	Elf64_Half e_phentsize;
203	Elf64_Half e_phnum;
204	Elf64_Half e_shentsize;
205	Elf64_Half e_shnum;
206	Elf64_Half e_shstrndx;
207	} Elf64_Ehdr;
208
209	/* These constants define the permissions on sections in the program
210	header, p_flags. */
211	#define PF_R 0x4
212	#define PF_W 0x2
213	#define PF_X 0x1
214
215	typedef struct elf32_phdr{
216	Elf32_Word p_type;
217	Elf32_Off p_offset;
218	Elf32_Addr p_vaddr;
219	Elf32_Addr p_paddr;
220	Elf32_Word p_filesz;
221	Elf32_Word p_memsz;
222	Elf32_Word p_flags;
223	Elf32_Word p_align;
224	} Elf32_Phdr;
225
226	typedef struct elf64_phdr {
227	Elf64_Word p_type;
228	Elf64_Word p_flags;
229	Elf64_Off p_offset; /* Segment file offset */
230	Elf64_Addr p_vaddr; /* Segment virtual address */
231	Elf64_Addr p_paddr; /* Segment physical address */
232	Elf64_Xword p_filesz; /* Segment size in file */
233	Elf64_Xword p_memsz; /* Segment size in memory */
234	Elf64_Xword p_align; /* Segment alignment, file & memory */
235	} Elf64_Phdr;
236
237	/* sh_type */
238	#define SHT_NULL 0
239	#define SHT_PROGBITS 1
240	#define SHT_SYMTAB 2
241	#define SHT_STRTAB 3
242	#define SHT_RELA 4
243	#define SHT_HASH 5
244	#define SHT_DYNAMIC 6
245	#define SHT_NOTE 7
246	#define SHT_NOBITS 8
247	#define SHT_REL 9
248	#define SHT_SHLIB 10
249	#define SHT_DYNSYM 11
250	#define SHT_NUM 12
251	#define SHT_LOPROC 0x70000000
252	#define SHT_HIPROC 0x7fffffff
253	#define SHT_LOUSER 0x80000000
254	#define SHT_HIUSER 0xffffffff
255
256	/* sh_flags */
257	#define SHF_WRITE 0x1
258	#define SHF_ALLOC 0x2
259	#define SHF_EXECINSTR 0x4
260	#define SHF_MASKPROC 0xf0000000
261
262	/* special section indexes */
263	#define SHN_UNDEF 0
264	#define SHN_LORESERVE 0xff00
265	#define SHN_LOPROC 0xff00
266	#define SHN_HIPROC 0xff1f
267	#define SHN_ABS 0xfff1
268	#define SHN_COMMON 0xfff2
269	#define SHN_HIRESERVE 0xffff
270
271	typedef struct {
272	Elf32_Word sh_name;
273	Elf32_Word sh_type;
274	Elf32_Word sh_flags;
275	Elf32_Addr sh_addr;
276	Elf32_Off sh_offset;
277	Elf32_Word sh_size;
278	Elf32_Word sh_link;
279	Elf32_Word sh_info;
280	Elf32_Word sh_addralign;
281	Elf32_Word sh_entsize;
282	} Elf32_Shdr;
283
284	typedef struct elf64_shdr {
285	Elf64_Word sh_name; /* Section name, index in string tbl */
286	Elf64_Word sh_type; /* Type of section */
287	Elf64_Xword sh_flags; /* Miscellaneous section attributes */
288	Elf64_Addr sh_addr; /* Section virtual addr at execution */
289	Elf64_Off sh_offset; /* Section file offset */
290	Elf64_Xword sh_size; /* Size of section in bytes */
291	Elf64_Word sh_link; /* Index of another section */
292	Elf64_Word sh_info; /* Additional section information */
293	Elf64_Xword sh_addralign; /* Section alignment */
294	Elf64_Xword sh_entsize; /* Entry size if section holds table */
295	} Elf64_Shdr;
296
297	#define EI_MAG0 0 /* e_ident[] indexes */
298	#define EI_MAG1 1
299	#define EI_MAG2 2
300	#define EI_MAG3 3
301	#define EI_CLASS 4
302	#define EI_DATA 5
303	#define EI_VERSION 6
304	#define EI_OSABI 7
305	#define EI_PAD 8
306
307	#define ELFMAG0 0x7f /* EI_MAG */
308	#define ELFMAG1 'E'
309	#define ELFMAG2 'L'
310	#define ELFMAG3 'F'
311	#define ELFMAG "\177ELF"
312	#define SELFMAG 4
313
314	#define ELFCLASSNONE 0 /* EI_CLASS */
315	#define ELFCLASS32 1
316	#define ELFCLASS64 2
317	#define ELFCLASSNUM 3
318
319	#define ELFDATANONE 0 /* e_ident[EI_DATA] */
320	#define ELFDATA2LSB 1
321	#define ELFDATA2MSB 2
322
323	#define EV_NONE 0 /* e_version, EI_VERSION */
324	#define EV_CURRENT 1
325	#define EV_NUM 2
326
327	#define ELFOSABI_NONE 0
328	#define ELFOSABI_LINUX 3
329
330	#ifndef ELF_OSABI
331	#define ELF_OSABI ELFOSABI_NONE
332	#endif
333
334	/* Notes used in ET_CORE */
335	#define NT_PRSTATUS 1
336	#define NT_PRFPREG 2
337	#define NT_PRPSINFO 3
338	#define NT_TASKSTRUCT 4
339	#define NT_AUXV 6
340	#define NT_PRXFPREG 0x46e62b7f /* copied from gdb5.1/include/elf/common.h */
341
342
343	/* Note header in a PT_NOTE section */
344	typedef struct elf32_note {
345	Elf32_Word n_namesz; /* Name size */
346	Elf32_Word n_descsz; /* Content size */
347	Elf32_Word n_type; /* Content type */
348	} Elf32_Nhdr;
349
350	/* Note header in a PT_NOTE section */
351	typedef struct elf64_note {
352	Elf64_Word n_namesz; /* Name size */
353	Elf64_Word n_descsz; /* Content size */
354	Elf64_Word n_type; /* Content type */
355	} Elf64_Nhdr;
356
357	#if ELF_CLASS == ELFCLASS32
358
359	extern Elf32_Dyn _DYNAMIC [];
360	#define elfhdr elf32_hdr
361	#define elf_phdr elf32_phdr
362	#define elf_note elf32_note
386d9a7e	363	#define elf_addr_t Elf32_Off
1da177e4 LT	364
	365	#else
	366
	367	extern Elf64_Dyn _DYNAMIC [];
	368	#define elfhdr elf64_hdr
	369	#define elf_phdr elf64_phdr
	370	#define elf_note elf64_note
386d9a7e	371	#define elf_addr_t Elf64_Off
1da177e4 LT	372
	373	#endif
	374
bf1ab978 DGM	375	#ifndef ARCH_HAVE_EXTRA_ELF_NOTES
	376	static inline int arch_notes_size(void) { return 0; }
	377	static inline void arch_write_notes(struct file *file) { }
	378
	379	#define ELF_CORE_EXTRA_NOTES_SIZE arch_notes_size()
	380	#define ELF_CORE_WRITE_EXTRA_NOTES arch_write_notes(file)
	381	#endif /* ARCH_HAVE_EXTRA_ELF_NOTES */
1da177e4 LT	382
1da177e4 LT	383	#endif /* _LINUX_ELF_H */