* Copyright (c) 2006,2008-2010 Joseph Koshy
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $Id: libelf.h 3174 2015-03-27 17:13:41Z emaste $
*/
#ifndef _LIBELF_H_
#define _LIBELF_H_
#include <sys/types.h>
#include <elfdefinitions.h>
typedef struct _Elf Elf;
typedef struct _Elf_Scn Elf_Scn;
typedef enum {
ELF_K_NONE = 0,
ELF_K_AR,
ELF_K_COFF,
ELF_K_ELF,
ELF_K_NUM
} Elf_Kind;
#define ELF_K_FIRST ELF_K_NONE
#define ELF_K_LAST ELF_K_NUM
typedef enum {
ELF_T_ADDR,
ELF_T_BYTE,
ELF_T_CAP,
ELF_T_DYN,
ELF_T_EHDR,
ELF_T_HALF,
ELF_T_LWORD,
ELF_T_MOVE,
ELF_T_MOVEP,
ELF_T_NOTE,
ELF_T_OFF,
ELF_T_PHDR,
ELF_T_REL,
ELF_T_RELA,
ELF_T_SHDR,
ELF_T_SWORD,
ELF_T_SXWORD,
ELF_T_SYMINFO,
ELF_T_SYM,
ELF_T_VDEF,
ELF_T_VNEED,
ELF_T_WORD,
ELF_T_XWORD,
ELF_T_GNUHASH,
ELF_T_NUM
} Elf_Type;
#define ELF_T_FIRST ELF_T_ADDR
#define ELF_T_LAST ELF_T_GNUHASH
typedef enum {
ELF_C_NULL = 0,
ELF_C_CLR,
ELF_C_FDDONE,
ELF_C_FDREAD,
ELF_C_RDWR,
ELF_C_READ,
ELF_C_SET,
ELF_C_WRITE,
ELF_C_NUM
} Elf_Cmd;
#define ELF_C_FIRST ELF_C_NULL
#define ELF_C_LAST ELF_C_NUM
* An `Elf_Data' structure describes data in an
* ELF section.
*/
typedef struct _Elf_Data {
* `Public' members that are part of the ELF(3) API.
*/
uint64_t d_align;
void *d_buf;
uint64_t d_off;
uint64_t d_size;
Elf_Type d_type;
unsigned int d_version;
} Elf_Data;
* An `Elf_Arhdr' structure describes an archive
* header.
*/
typedef struct {
time_t ar_date;
char *ar_name;
gid_t ar_gid;
mode_t ar_mode;
char *ar_rawname;
size_t ar_size;
uid_t ar_uid;
* Members that are not part of the public API.
*/
unsigned int ar_flags;
} Elf_Arhdr;
* An `Elf_Arsym' describes an entry in the archive
* symbol table.
*/
typedef struct {
off_t as_off;
unsigned long as_hash;
char *as_name;
} Elf_Arsym;
* Error numbers.
*/
enum Elf_Error {
ELF_E_NONE,
ELF_E_ARCHIVE,
ELF_E_ARGUMENT,
ELF_E_CLASS,
ELF_E_DATA,
ELF_E_HEADER,
ELF_E_IO,
ELF_E_LAYOUT,
ELF_E_MODE,
ELF_E_RANGE,
ELF_E_RESOURCE,
ELF_E_SECTION,
ELF_E_SEQUENCE,
ELF_E_UNIMPL,
ELF_E_VERSION,
ELF_E_NUM
};
* Flags defined by the API.
*/
#define ELF_F_LAYOUT 0x001U
#define ELF_F_DIRTY 0x002U
#define ELF_F_ARCHIVE 0x100U
#define ELF_F_ARCHIVE_SYSV 0x200U
#ifdef __cplusplus
extern "C" {
#endif
Elf *
elf_begin(int _fd, Elf_Cmd _cmd, Elf *_elf);
int
elf_cntl(Elf *_elf, Elf_Cmd _cmd);
int
elf_end(Elf *_elf);
const char *
elf_errmsg(int _error);
int
elf_errno(void);
void
elf_fill(int _fill);
unsigned int
elf_flagarhdr(Elf_Arhdr *_arh, Elf_Cmd _cmd, unsigned int _flags);
unsigned int
elf_flagdata(Elf_Data *_data, Elf_Cmd _cmd, unsigned int _flags);
unsigned int
elf_flagehdr(Elf *_elf, Elf_Cmd _cmd, unsigned int _flags);
unsigned int
elf_flagelf(Elf *_elf, Elf_Cmd _cmd, unsigned int _flags);
unsigned int
elf_flagphdr(Elf *_elf, Elf_Cmd _cmd, unsigned int _flags);
unsigned int
elf_flagscn(Elf_Scn *_scn, Elf_Cmd _cmd, unsigned int _flags);
unsigned int
elf_flagshdr(Elf_Scn *_scn, Elf_Cmd _cmd, unsigned int _flags);
Elf_Arhdr *
elf_getarhdr(Elf *_elf);
Elf_Arsym *
elf_getarsym(Elf *_elf, size_t *_ptr);
off_t
elf_getbase(Elf *_elf);
Elf_Data *
elf_getdata(Elf_Scn *, Elf_Data *);
char *
elf_getident(Elf *_elf, size_t *_ptr);
int
elf_getphdrnum(Elf *_elf, size_t *_dst);
int
elf_getphnum(Elf *_elf, size_t *_dst);
Elf_Scn *
elf_getscn(Elf *_elf, size_t _index);
int
elf_getshdrnum(Elf *_elf, size_t *_dst);
int
elf_getshnum(Elf *_elf, size_t *_dst);
int
elf_getshdrstrndx(Elf *_elf, size_t *_dst);
int
elf_getshstrndx(Elf *_elf, size_t *_dst);
unsigned long
elf_hash(const char *_name);
Elf_Kind
elf_kind(Elf *_elf);
Elf *
elf_memory(char *_image, size_t _size);
size_t
elf_ndxscn(Elf_Scn *_scn);
Elf_Data *
elf_newdata(Elf_Scn *_scn);
Elf_Scn *
elf_newscn(Elf *_elf);
Elf_Scn *
elf_nextscn(Elf *_elf, Elf_Scn *_scn);
Elf_Cmd
elf_next(Elf *_elf);
Elf *
elf_open(int _fd);
Elf *
elf_openmemory(char *_image, size_t _size);
off_t
elf_rand(Elf *_elf, off_t _off);
Elf_Data *
elf_rawdata(Elf_Scn *_scn, Elf_Data *_data);
char *
elf_rawfile(Elf *_elf, size_t *_size);
int
elf_setshstrndx(Elf *_elf, size_t _shnum);
char *
elf_strptr(Elf *_elf, size_t _section, size_t _offset);
off_t
elf_update(Elf *_elf, Elf_Cmd _cmd);
unsigned int
elf_version(unsigned int _version);
long
elf32_checksum(Elf *_elf);
size_t
elf32_fsize(Elf_Type _type, size_t _count, unsigned int _version);
Elf32_Ehdr *
elf32_getehdr(Elf *_elf);
Elf32_Phdr *
elf32_getphdr(Elf *_elf);
Elf32_Shdr *
elf32_getshdr(Elf_Scn *_scn);
Elf32_Ehdr *
elf32_newehdr(Elf *_elf);
Elf32_Phdr *
elf32_newphdr(Elf *_elf, size_t _count);
Elf_Data *
elf32_xlatetof(Elf_Data *_dst, const Elf_Data *_src, unsigned int _enc);
Elf_Data *
elf32_xlatetom(Elf_Data *_dst, const Elf_Data *_src, unsigned int _enc);
long
elf64_checksum(Elf *_elf);
size_t
elf64_fsize(Elf_Type _type, size_t _count, unsigned int _version);
Elf64_Ehdr *
elf64_getehdr(Elf *_elf);
Elf64_Phdr *
elf64_getphdr(Elf *_elf);
Elf64_Shdr *
elf64_getshdr(Elf_Scn *_scn);
Elf64_Ehdr *
elf64_newehdr(Elf *_elf);
Elf64_Phdr *
elf64_newphdr(Elf *_elf, size_t _count);
Elf_Data *
elf64_xlatetof(Elf_Data *_dst, const Elf_Data *_src, unsigned int _enc);
Elf_Data *
elf64_xlatetom(Elf_Data *_dst, const Elf_Data *_src, unsigned int _enc);
#ifdef __cplusplus
}
#endif
#endif