2 * Copyright (c) 2006,2008-2010 Joseph Koshy
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * $Id: libelf.h 2988 2014-03-17 08:51:49Z jkoshy $
32 #include <sys/types.h>
33 #include <sys/elf32.h>
34 #include <sys/elf64.h>
36 /* Library private data structures */
37 typedef struct _Elf Elf;
38 typedef struct _Elf_Scn Elf_Scn;
43 ELF_K_AR, /* `ar' archives */
44 ELF_K_COFF, /* COFF files (unsupported) */
45 ELF_K_ELF, /* ELF files */
49 #define ELF_K_FIRST ELF_K_NONE
50 #define ELF_K_LAST ELF_K_NUM
77 ELF_T_GNUHASH, /* GNU style hash tables. */
81 #define ELF_T_FIRST ELF_T_ADDR
82 #define ELF_T_LAST ELF_T_GNUHASH
97 #define ELF_C_FIRST ELF_C_NULL
98 #define ELF_C_LAST ELF_C_NUM
101 * An `Elf_Data' structure describes data in an
104 typedef struct _Elf_Data {
106 * `Public' members that are part of the ELF(3) API.
113 unsigned int d_version;
117 * An `Elf_Arhdr' structure describes an archive
122 char *ar_name; /* archive member name */
125 char *ar_rawname; /* 'raw' member name */
130 * Members that are not part of the public API.
132 unsigned int ar_flags;
136 * An `Elf_Arsym' describes an entry in the archive
140 off_t as_off; /* byte offset to member's header */
141 unsigned long as_hash; /* elf_hash() value for name */
142 char *as_name; /* null terminated symbol name */
150 ELF_E_NONE, /* No error */
151 ELF_E_ARCHIVE, /* Malformed ar(1) archive */
152 ELF_E_ARGUMENT, /* Invalid argument */
153 ELF_E_CLASS, /* Mismatched ELF class */
154 ELF_E_DATA, /* Invalid data descriptor */
155 ELF_E_HEADER, /* Missing or malformed ELF header */
156 ELF_E_IO, /* I/O error */
157 ELF_E_LAYOUT, /* Layout constraint violation */
158 ELF_E_MODE, /* Wrong mode for ELF descriptor */
159 ELF_E_RANGE, /* Value out of range */
160 ELF_E_RESOURCE, /* Resource exhaustion */
161 ELF_E_SECTION, /* Invalid section descriptor */
162 ELF_E_SEQUENCE, /* API calls out of sequence */
163 ELF_E_UNIMPL, /* Feature is unimplemented */
164 ELF_E_VERSION, /* Unknown API version */
165 ELF_E_NUM /* Max error number */
169 * Flags defined by the API.
172 #define ELF_F_LAYOUT 0x001U /* application will layout the file */
173 #define ELF_F_DIRTY 0x002U /* a section or ELF file is dirty */
175 /* ELF(3) API extensions. */
176 #define ELF_F_ARCHIVE 0x100U /* archive creation */
177 #define ELF_F_ARCHIVE_SYSV 0x200U /* SYSV style archive */
180 Elf *elf_begin(int _fd, Elf_Cmd _cmd, Elf *_elf);
181 int elf_cntl(Elf *_elf, Elf_Cmd _cmd);
182 int elf_end(Elf *_elf);
183 const char *elf_errmsg(int _error);
185 void elf_fill(int _fill);
186 unsigned int elf_flagarhdr(Elf_Arhdr *_arh, Elf_Cmd _cmd,
187 unsigned int _flags);
188 unsigned int elf_flagdata(Elf_Data *_data, Elf_Cmd _cmd,
189 unsigned int _flags);
190 unsigned int elf_flagehdr(Elf *_elf, Elf_Cmd _cmd, unsigned int _flags);
191 unsigned int elf_flagelf(Elf *_elf, Elf_Cmd _cmd, unsigned int _flags);
192 unsigned int elf_flagphdr(Elf *_elf, Elf_Cmd _cmd, unsigned int _flags);
193 unsigned int elf_flagscn(Elf_Scn *_scn, Elf_Cmd _cmd, unsigned int _flags);
194 unsigned int elf_flagshdr(Elf_Scn *_scn, Elf_Cmd _cmd, unsigned int _flags);
195 Elf_Arhdr *elf_getarhdr(Elf *_elf);
196 Elf_Arsym *elf_getarsym(Elf *_elf, size_t *_ptr);
197 off_t elf_getbase(Elf *_elf);
198 Elf_Data *elf_getdata(Elf_Scn *, Elf_Data *);
199 char *elf_getident(Elf *_elf, size_t *_ptr);
200 int elf_getphdrnum(Elf *_elf, size_t *_dst);
201 int elf_getphnum(Elf *_elf, size_t *_dst); /* Deprecated */
202 Elf_Scn *elf_getscn(Elf *_elf, size_t _index);
203 int elf_getshdrnum(Elf *_elf, size_t *_dst);
204 int elf_getshnum(Elf *_elf, size_t *_dst); /* Deprecated */
205 int elf_getshdrstrndx(Elf *_elf, size_t *_dst);
206 int elf_getshstrndx(Elf *_elf, size_t *_dst); /* Deprecated */
207 unsigned long elf_hash(const char *_name);
208 Elf_Kind elf_kind(Elf *_elf);
209 Elf *elf_memory(char *_image, size_t _size);
210 size_t elf_ndxscn(Elf_Scn *_scn);
211 Elf_Data *elf_newdata(Elf_Scn *_scn);
212 Elf_Scn *elf_newscn(Elf *_elf);
213 Elf_Scn *elf_nextscn(Elf *_elf, Elf_Scn *_scn);
214 Elf_Cmd elf_next(Elf *_elf);
215 Elf *elf_open(int _fd);
216 Elf *elf_openmemory(char *_image, size_t _size);
217 off_t elf_rand(Elf *_elf, off_t _off);
218 Elf_Data *elf_rawdata(Elf_Scn *_scn, Elf_Data *_data);
219 char *elf_rawfile(Elf *_elf, size_t *_size);
220 int elf_setshstrndx(Elf *_elf, size_t _shnum);
221 char *elf_strptr(Elf *_elf, size_t _section, size_t _offset);
222 off_t elf_update(Elf *_elf, Elf_Cmd _cmd);
223 unsigned int elf_version(unsigned int _version);
225 long elf32_checksum(Elf *_elf);
226 size_t elf32_fsize(Elf_Type _type, size_t _count,
227 unsigned int _version);
228 Elf32_Ehdr *elf32_getehdr(Elf *_elf);
229 Elf32_Phdr *elf32_getphdr(Elf *_elf);
230 Elf32_Shdr *elf32_getshdr(Elf_Scn *_scn);
231 Elf32_Ehdr *elf32_newehdr(Elf *_elf);
232 Elf32_Phdr *elf32_newphdr(Elf *_elf, size_t _count);
233 Elf_Data *elf32_xlatetof(Elf_Data *_dst, const Elf_Data *_src,
235 Elf_Data *elf32_xlatetom(Elf_Data *_dst, const Elf_Data *_src,
238 long elf64_checksum(Elf *_elf);
239 size_t elf64_fsize(Elf_Type _type, size_t _count,
240 unsigned int _version);
241 Elf64_Ehdr *elf64_getehdr(Elf *_elf);
242 Elf64_Phdr *elf64_getphdr(Elf *_elf);
243 Elf64_Shdr *elf64_getshdr(Elf_Scn *_scn);
244 Elf64_Ehdr *elf64_newehdr(Elf *_elf);
245 Elf64_Phdr *elf64_newphdr(Elf *_elf, size_t _count);
246 Elf_Data *elf64_xlatetof(Elf_Data *_dst, const Elf_Data *_src,
248 Elf_Data *elf64_xlatetom(Elf_Data *_dst, const Elf_Data *_src,
252 #endif /* _LIBELF_H_ */