elf_loader.h File Reference

#include <openamp/remoteproc.h>
#include <openamp/remoteproc_loader.h>

Go to the source code of this file.

Data Structures
struct	Elf32_Ehdr
struct	Elf64_Ehdr
struct	elf32_phdr
struct	elf64_phdr
struct	Elf32_Shdr
struct	Elf64_Shdr
struct	Elf32_Rel
struct	Elf64_Rel
struct	Elf32_Rela
struct	elf64_rela
struct	Elf32_Sym
struct	elf64_sym
struct	elf32_info
struct	elf64_info

Macros
#define	EI_NIDENT   16
#define	ET_NONE   0
#define	ET_REL   1 /* Re-locatable file */
#define	ET_EXEC   2 /* Executable file */
#define	ET_DYN   3 /* Shared object file */
#define	ET_CORE   4 /* Core file */
#define	ET_LOOS   0xfe00 /* Operating system-specific */
#define	ET_HIOS   0xfeff /* Operating system-specific */
#define	ET_LOPROC   0xff00 /* remote_proc-specific */
#define	ET_HIPROC   0xffff /* remote_proc-specific */
#define	EM_ARM   40 /* ARM/Thumb Architecture */
#define	EV_CURRENT   1 /* Current version */
#define	EI_MAG0   0 /* File identification */
#define	EI_MAG1   1 /* File identification */
#define	EI_MAG2   2 /* File identification */
#define	EI_MAG3   3 /* File identification */
#define	EI_CLASS   4 /* File class */
#define	EI_DATA   5 /* Data encoding */
#define	EI_VERSION   6 /* File version */
#define	EI_OSABI   7 /* Operating system/ABI identification */
#define	EI_ABIVERSION   8 /* ABI version */
#define	EI_PAD   9 /* Start of padding bytes */
#define	EI_NIDENT   16 /* Size of e_ident[] */
#define	ELFMAG0   0x7f /* e_ident[EI_MAG0] */
#define	ELFMAG1   'E' /* e_ident[EI_MAG1] */
#define	ELFMAG2   'L' /* e_ident[EI_MAG2] */
#define	ELFMAG3   'F' /* e_ident[EI_MAG3] */
#define	ELFMAG   "\177ELF"
#define	SELFMAG   4
#define	ELFCLASSNONE   0 /* Invalid class */
#define	ELFCLASS32   1 /* 32-bit objects */
#define	ELFCLASS64   2 /* 64-bit objects */
#define	ELFDATANONE   0 /* Invalid data encoding */
#define	ELFDATA2LSB   1 /* See Data encodings, below */
#define	ELFDATA2MSB   2 /* See Data encodings, below */
#define	ELFOSABI_NONE   0
#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	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_INIT_ARRAY   14
#define	SHT_FINI_ARRAY   15
#define	SHT_PREINIT_ARRAY   16
#define	SHT_GROUP   17
#define	SHT_SYMTAB_SHNDX   18
#define	SHT_LOOS   0x60000000
#define	SHT_HIOS   0x6fffffff
#define	SHT_LOPROC   0x70000000
#define	SHT_HIPROC   0x7fffffff
#define	SHT_LOUSER   0x80000000
#define	SHT_HIUSER   0xffffffff
#define	SHF_WRITE   0x1
#define	SHF_ALLOC   0x2
#define	SHF_EXECINSTR   0x4
#define	SHF_MASKPROC   0xf0000000
#define	ELF32_R_SYM(i)   ((i) >> 8)
#define	ELF32_R_TYPE(i)   ((unsigned char)(i))
#define	ELF64_R_SYM(i)   ((i) >> 32)
#define	ELF64_R_TYPE(i)   ((i) & 0xffffffff)
#define	R_ARM_GLOB_DAT   21 /* 0x15 */
#define	R_ARM_JUMP_SLOT   22 /* 0x16 */
#define	R_ARM_RELATIVE   23 /* 0x17 */
#define	R_ARM_ABS32   2 /* 0x02 */
#define	ELF_STATE_INIT   0x0L
#define	ELF_STATE_WAIT_FOR_PHDRS   0x100L
#define	ELF_STATE_WAIT_FOR_SHDRS   0x200L
#define	ELF_STATE_WAIT_FOR_SHSTRTAB   0x400L
#define	ELF_STATE_HDRS_COMPLETE   0x800L
#define	ELF_STATE_MASK   0xFF00L
#define	ELF_NEXT_SEGMENT_MASK   0x00FFL

Typedefs
typedef uint32_t	Elf32_Addr
typedef uint16_t	Elf32_Half
typedef uint32_t	Elf32_Off
typedef int32_t	Elf32_Sword
typedef uint32_t	Elf32_Word
typedef uint64_t	Elf64_Addr
typedef uint16_t	Elf64_Half
typedef uint64_t	Elf64_Off
typedef int32_t	Elf64_Sword
typedef uint32_t	Elf64_Word
typedef uint64_t	Elf64_Xword
typedef int64_t	Elf64_Sxword
typedef struct elf32_phdr	Elf32_Phdr
typedef struct elf64_phdr	Elf64_Phdr
typedef struct elf64_rela	Elf64_Rela
typedef struct elf64_sym	Elf64_Sym

Functions
int	elf_identify (const void *img_data, size_t len)
int	elf_load_header (const void *img_data, size_t offset, size_t len, void **img_info, int last_load_state, size_t *noffset, size_t *nlen)
int	elf_load (struct remoteproc *rproc, const void *img_data, size_t offset, size_t len, void **img_info, int last_load_state, metal_phys_addr_t *da, size_t *noffset, size_t *nlen, unsigned char *padding, size_t *nmemsize)
void	elf_release (void *img_info)
metal_phys_addr_t	elf_get_entry (void *img_info)
int	elf_locate_rsc_table (void *img_info, metal_phys_addr_t *da, size_t *offset, size_t *size)

Variables
const struct loader_ops	elf_ops

Macro Definition Documentation

EI_ABIVERSION

#define EI_ABIVERSION   8 /* ABI version */

EI_CLASS

#define EI_CLASS   4 /* File class */

EI_DATA

#define EI_DATA   5 /* Data encoding */

EI_MAG0

#define EI_MAG0   0 /* File identification */

EI_MAG1

#define EI_MAG1   1 /* File identification */

EI_MAG2

#define EI_MAG2   2 /* File identification */

EI_MAG3

#define EI_MAG3   3 /* File identification */

EI_NIDENT [1/2]

#define EI_NIDENT   16

EI_NIDENT [2/2]

#define EI_NIDENT   16 /* Size of e_ident[] */

EI_OSABI

#define EI_OSABI   7 /* Operating system/ABI identification */

EI_PAD

#define EI_PAD   9 /* Start of padding bytes */

EI_VERSION

#define EI_VERSION   6 /* File version */

ELF32_R_SYM

#define ELF32_R_SYM

(

i

)

((i) >> 8)

ELF32_R_TYPE

#define ELF32_R_TYPE

(

i

)

((unsigned char)(i))

ELF64_R_SYM

#define ELF64_R_SYM

(

i

)

((i) >> 32)

ELF64_R_TYPE

#define ELF64_R_TYPE

(

i

)

((i) & 0xffffffff)

ELF_NEXT_SEGMENT_MASK

#define ELF_NEXT_SEGMENT_MASK   0x00FFL

ELF_STATE_HDRS_COMPLETE

#define ELF_STATE_HDRS_COMPLETE   0x800L

ELF_STATE_INIT

#define ELF_STATE_INIT   0x0L

ELF_STATE_MASK

#define ELF_STATE_MASK   0xFF00L

ELF_STATE_WAIT_FOR_PHDRS

#define ELF_STATE_WAIT_FOR_PHDRS   0x100L

ELF_STATE_WAIT_FOR_SHDRS

#define ELF_STATE_WAIT_FOR_SHDRS   0x200L

ELF_STATE_WAIT_FOR_SHSTRTAB

#define ELF_STATE_WAIT_FOR_SHSTRTAB   0x400L

ELFCLASS32

#define ELFCLASS32   1 /* 32-bit objects */

ELFCLASS64

#define ELFCLASS64   2 /* 64-bit objects */

ELFCLASSNONE

#define ELFCLASSNONE   0 /* Invalid class */

ELFDATA2LSB

#define ELFDATA2LSB   1 /* See Data encodings, below */

ELFDATA2MSB

#define ELFDATA2MSB   2 /* See Data encodings, below */

ELFDATANONE

#define ELFDATANONE   0 /* Invalid data encoding */

ELFMAG

#define ELFMAG   "\177ELF"

ELFMAG0

#define ELFMAG0   0x7f /* e_ident[EI_MAG0] */

ELFMAG1

#define ELFMAG1   'E' /* e_ident[EI_MAG1] */

ELFMAG2

#define ELFMAG2   'L' /* e_ident[EI_MAG2] */

ELFMAG3

#define ELFMAG3   'F' /* e_ident[EI_MAG3] */

ELFOSABI_NONE

#define ELFOSABI_NONE   0

EM_ARM

#define EM_ARM   40 /* ARM/Thumb Architecture */

ET_CORE

#define ET_CORE   4 /* Core file */

ET_DYN

#define ET_DYN   3 /* Shared object file */

ET_EXEC

#define ET_EXEC   2 /* Executable file */

ET_HIOS

#define ET_HIOS   0xfeff /* Operating system-specific */

ET_HIPROC

#define ET_HIPROC   0xffff /* remote_proc-specific */

ET_LOOS

#define ET_LOOS   0xfe00 /* Operating system-specific */

ET_LOPROC

#define ET_LOPROC   0xff00 /* remote_proc-specific */

ET_NONE

#define ET_NONE   0

ET_REL

#define ET_REL   1 /* Re-locatable file */

EV_CURRENT

#define EV_CURRENT   1 /* Current version */

PT_DYNAMIC

#define PT_DYNAMIC   2

PT_HIOS

#define PT_HIOS   0x6fffffff /* OS-specific */

PT_HIPROC

#define PT_HIPROC   0x7fffffff

PT_INTERP

#define PT_INTERP   3

PT_LOAD

#define PT_LOAD   1

PT_LOOS

#define PT_LOOS   0x60000000 /* OS-specific */

PT_LOPROC

#define PT_LOPROC   0x70000000

PT_NOTE

#define PT_NOTE   4

PT_NULL

#define PT_NULL   0

PT_PHDR

#define PT_PHDR   6

PT_SHLIB

#define PT_SHLIB   5

PT_TLS

#define PT_TLS   7 /* Thread local storage segment */

R_ARM_ABS32

#define R_ARM_ABS32   2 /* 0x02 */

R_ARM_GLOB_DAT

#define R_ARM_GLOB_DAT   21 /* 0x15 */

R_ARM_JUMP_SLOT

#define R_ARM_JUMP_SLOT   22 /* 0x16 */

R_ARM_RELATIVE

#define R_ARM_RELATIVE   23 /* 0x17 */

SELFMAG

#define SELFMAG   4

SHF_ALLOC

#define SHF_ALLOC   0x2

SHF_EXECINSTR

#define SHF_EXECINSTR   0x4

SHF_MASKPROC

#define SHF_MASKPROC   0xf0000000

SHF_WRITE

#define SHF_WRITE   0x1

SHT_DYNAMIC

#define SHT_DYNAMIC   6

SHT_DYNSYM

#define SHT_DYNSYM   11

SHT_FINI_ARRAY

#define SHT_FINI_ARRAY   15

SHT_GROUP

#define SHT_GROUP   17

SHT_HASH

#define SHT_HASH   5

SHT_HIOS

#define SHT_HIOS   0x6fffffff

SHT_HIPROC

#define SHT_HIPROC   0x7fffffff

SHT_HIUSER

#define SHT_HIUSER   0xffffffff

SHT_INIT_ARRAY

#define SHT_INIT_ARRAY   14

SHT_LOOS

#define SHT_LOOS   0x60000000

SHT_LOPROC

#define SHT_LOPROC   0x70000000

SHT_LOUSER

#define SHT_LOUSER   0x80000000

SHT_NOBITS

#define SHT_NOBITS   8

SHT_NOTE

#define SHT_NOTE   7

SHT_NULL

#define SHT_NULL   0

SHT_PREINIT_ARRAY

#define SHT_PREINIT_ARRAY   16

SHT_PROGBITS

#define SHT_PROGBITS   1

SHT_REL

#define SHT_REL   9

SHT_RELA

#define SHT_RELA   4

SHT_SHLIB

#define SHT_SHLIB   10

SHT_STRTAB

#define SHT_STRTAB   3

SHT_SYMTAB

#define SHT_SYMTAB   2

SHT_SYMTAB_SHNDX

#define SHT_SYMTAB_SHNDX   18

Typedef Documentation

Elf32_Addr

typedef uint32_t Elf32_Addr

Elf32_Half

typedef uint16_t Elf32_Half

Elf32_Off

typedef uint32_t Elf32_Off

Elf32_Phdr

typedef struct elf32_phdr Elf32_Phdr

Elf32_Sword

typedef int32_t Elf32_Sword

Elf32_Word

typedef uint32_t Elf32_Word

Elf64_Addr

typedef uint64_t Elf64_Addr

Elf64_Half

typedef uint16_t Elf64_Half

Elf64_Off

typedef uint64_t Elf64_Off

Elf64_Phdr

typedef struct elf64_phdr Elf64_Phdr

Elf64_Rela

typedef struct elf64_rela Elf64_Rela

Elf64_Sword

typedef int32_t Elf64_Sword

Elf64_Sxword

typedef int64_t Elf64_Sxword

Elf64_Sym

typedef struct elf64_sym Elf64_Sym

Elf64_Word

typedef uint32_t Elf64_Word

Elf64_Xword

typedef uint64_t Elf64_Xword

Function Documentation

elf_get_entry()

metal_phys_addr_t elf_get_entry

(

void *

img_info

)

elf_identify()

int elf_identify	(	const void *	img_data,
		size_t	len
	)

elf_load()

int elf_load	(	struct remoteproc *	rproc,
		const void *	img_data,
		size_t	offset,
		size_t	len,
		void **	img_info,
		int	last_load_state,
		metal_phys_addr_t *	da,
		size_t *	noffset,
		size_t *	nlen,
		unsigned char *	padding,
		size_t *	nmemsize
	)

elf_load_header()

int elf_load_header	(	const void *	img_data,
		size_t	offset,
		size_t	len,
		void **	img_info,
		int	last_load_state,
		size_t *	noffset,
		size_t *	nlen
	)

elf_locate_rsc_table()

int elf_locate_rsc_table	(	void *	img_info,
		metal_phys_addr_t *	da,
		size_t *	offset,
		size_t *	size
	)

elf_release()

void elf_release

(

void *

img_info

)

Variable Documentation

elf_ops

const struct loader_ops elf_ops

extern