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| Rev | Author | Line No. | Line |
|---|---|---|---|
| 4973 | right-hear | 1 | /* |
| 2 | libelf.h - public header file for libelf. |
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| 3 | Copyright (C) 1995 - 1998 Michael Riepe |
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| 4 | |||
| 5 | This library is free software; you can redistribute it and/or |
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| 6 | modify it under the terms of the GNU Library General Public |
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| 7 | License as published by the Free Software Foundation; either |
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| 8 | version 2 of the License, or (at your option) any later version. |
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| 9 | |||
| 10 | This library is distributed in the hope that it will be useful, |
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| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
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| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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| 13 | Library General Public License for more details. |
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| 14 | |||
| 15 | You should have received a copy of the GNU Library General Public |
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| 16 | License along with this library; if not, write to the Free Software |
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| 17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. |
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| 18 | */ |
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| 19 | |||
| 20 | /* @(#) $Id: libelf.h,v 1.5 1998/06/01 19:47:18 michael Exp $ */ |
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| 21 | |||
| 22 | #ifndef _LIBELF_H |
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| 23 | #define _LIBELF_H |
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| 24 | |||
| 25 | #include |
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| 26 | |||
| 27 | #if __LIBELF_INTERNAL__ |
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| 28 | #include |
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| 29 | #else /* __LIBELF_INTERNAL__ */ |
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| 30 | #include |
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| 31 | #endif /* __LIBELF_INTERNAL__ */ |
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| 32 | |||
| 33 | #ifdef __cplusplus |
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| 34 | extern "C" { |
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| 35 | #endif /* __cplusplus */ |
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| 36 | |||
| 37 | #ifndef __P |
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| 38 | # if __STDC__ || defined(__cplusplus) |
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| 39 | # define __P(args) args |
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| 40 | # else /* __STDC__ || defined(__cplusplus) */ |
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| 41 | # define __P(args) () |
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| 42 | # endif /* __STDC__ || defined(__cplusplus) */ |
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| 43 | #endif /* __P */ |
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| 44 | |||
| 45 | /* |
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| 46 | * Commands |
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| 47 | */ |
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| 48 | typedef enum { |
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| 49 | ELF_C_NULL = 0, /* must be first, 0 */ |
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| 50 | ELF_C_READ, |
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| 51 | ELF_C_WRITE, |
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| 52 | ELF_C_CLR, |
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| 53 | ELF_C_SET, |
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| 54 | ELF_C_FDDONE, |
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| 55 | ELF_C_FDREAD, |
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| 56 | ELF_C_RDWR, |
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| 57 | ELF_C_NUM /* must be last */ |
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| 58 | } Elf_Cmd; |
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| 59 | |||
| 60 | /* |
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| 61 | * Flags |
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| 62 | */ |
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| 63 | #define ELF_F_DIRTY 0x1 |
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| 64 | #define ELF_F_LAYOUT 0x4 |
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| 65 | |||
| 66 | /* |
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| 67 | * File types |
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| 68 | */ |
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| 69 | typedef enum { |
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| 70 | ELF_K_NONE = 0, /* must be first, 0 */ |
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| 71 | ELF_K_AR, |
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| 72 | ELF_K_COFF, |
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| 73 | ELF_K_ELF, |
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| 74 | ELF_K_NUM /* must be last */ |
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| 75 | } Elf_Kind; |
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| 76 | |||
| 77 | /* |
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| 78 | * Data types |
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| 79 | */ |
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| 80 | typedef enum { |
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| 81 | ELF_T_BYTE = 0, /* must be first, 0 */ |
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| 82 | ELF_T_ADDR, |
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| 83 | ELF_T_DYN, |
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| 84 | ELF_T_EHDR, |
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| 85 | ELF_T_HALF, |
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| 86 | ELF_T_OFF, |
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| 87 | ELF_T_PHDR, |
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| 88 | ELF_T_RELA, |
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| 89 | ELF_T_REL, |
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| 90 | ELF_T_SHDR, |
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| 91 | ELF_T_SWORD, |
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| 92 | ELF_T_SYM, |
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| 93 | ELF_T_WORD, |
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| 94 | /* |
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| 95 | * New stuff for 64-bit. |
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| 96 | * |
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| 97 | * Most implementations add ELF_T_SXWORD after ELF_T_SWORD |
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| 98 | * which breaks binary compatibility with earlier versions. |
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| 99 | * If this causes problems for you, contact me. |
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| 100 | */ |
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| 101 | ELF_T_SXWORD, |
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| 102 | ELF_T_XWORD, |
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| 103 | ELF_T_NUM /* must be last */ |
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| 104 | } Elf_Type; |
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| 105 | |||
| 106 | /* |
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| 107 | * Elf descriptor |
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| 108 | */ |
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| 109 | typedef struct Elf Elf; |
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| 110 | |||
| 111 | /* |
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| 112 | * Section descriptor |
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| 113 | */ |
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| 114 | typedef struct Elf_Scn Elf_Scn; |
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| 115 | |||
| 116 | /* |
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| 117 | * Archive member header |
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| 118 | */ |
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| 119 | typedef struct { |
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| 120 | char* ar_name; |
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| 121 | time_t ar_date; |
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| 122 | long ar_uid; |
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| 123 | long ar_gid; |
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| 124 | unsigned long ar_mode; |
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| 125 | off_t ar_size; |
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| 126 | char* ar_rawname; |
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| 127 | } Elf_Arhdr; |
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| 128 | |||
| 129 | /* |
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| 130 | * Archive symbol table |
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| 131 | */ |
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| 132 | typedef struct { |
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| 133 | char* as_name; |
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| 134 | size_t as_off; |
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| 135 | unsigned long as_hash; |
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| 136 | } Elf_Arsym; |
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| 137 | |||
| 138 | /* |
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| 139 | * Data descriptor |
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| 140 | */ |
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| 141 | typedef struct { |
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| 142 | void* d_buf; |
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| 143 | Elf_Type d_type; |
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| 144 | size_t d_size; |
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| 145 | off_t d_off; |
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| 146 | size_t d_align; |
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| 147 | unsigned d_version; |
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| 148 | } Elf_Data; |
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| 149 | |||
| 150 | /* |
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| 151 | * Function declarations |
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| 152 | */ |
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| 153 | extern Elf *elf_begin __P((int __fd, Elf_Cmd __cmd, Elf *__ref)); |
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| 154 | extern Elf *elf_memory __P((char *__image, size_t __size)); |
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| 155 | extern int elf_cntl __P((Elf *__elf, Elf_Cmd __cmd)); |
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| 156 | extern int elf_end __P((Elf *__elf)); |
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| 157 | extern const char *elf_errmsg __P((int __err)); |
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| 158 | extern int elf_errno __P((void)); |
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| 159 | extern void elf_fill __P((int __fill)); |
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| 160 | extern unsigned elf_flagdata __P((Elf_Data *__data, Elf_Cmd __cmd, |
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| 161 | unsigned __flags)); |
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| 162 | extern unsigned elf_flagehdr __P((Elf *__elf, Elf_Cmd __cmd, |
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| 163 | unsigned __flags)); |
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| 164 | extern unsigned elf_flagelf __P((Elf *__elf, Elf_Cmd __cmd, |
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| 165 | unsigned __flags)); |
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| 166 | extern unsigned elf_flagphdr __P((Elf *__elf, Elf_Cmd __cmd, |
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| 167 | unsigned __flags)); |
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| 168 | extern unsigned elf_flagscn __P((Elf_Scn *__scn, Elf_Cmd __cmd, |
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| 169 | unsigned __flags)); |
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| 170 | extern unsigned elf_flagshdr __P((Elf_Scn *__scn, Elf_Cmd __cmd, |
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| 171 | unsigned __flags)); |
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| 172 | extern size_t elf32_fsize __P((Elf_Type __type, size_t __count, |
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| 173 | unsigned __ver)); |
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| 174 | extern Elf_Arhdr *elf_getarhdr __P((Elf *__elf)); |
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| 175 | extern Elf_Arsym *elf_getarsym __P((Elf *__elf, size_t *__ptr)); |
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| 176 | extern off_t elf_getbase __P((Elf *__elf)); |
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| 177 | extern Elf_Data *elf_getdata __P((Elf_Scn *__scn, Elf_Data *__data)); |
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| 178 | extern Elf32_Ehdr *elf32_getehdr __P((Elf *__elf)); |
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| 179 | extern char *elf_getident __P((Elf *__elf, size_t *__ptr)); |
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| 180 | extern Elf32_Phdr *elf32_getphdr __P((Elf *__elf)); |
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| 181 | extern Elf_Scn *elf_getscn __P((Elf *__elf, size_t __index)); |
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| 182 | extern Elf32_Shdr *elf32_getshdr __P((Elf_Scn *__scn)); |
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| 183 | extern unsigned long elf_hash __P((const char *__name)); |
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| 184 | extern Elf_Kind elf_kind __P((Elf *__elf)); |
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| 185 | extern size_t elf_ndxscn __P((Elf_Scn *__scn)); |
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| 186 | extern Elf_Data *elf_newdata __P((Elf_Scn *__scn)); |
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| 187 | extern Elf32_Ehdr *elf32_newehdr __P((Elf *__elf)); |
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| 188 | extern Elf32_Phdr *elf32_newphdr __P((Elf *__elf, size_t __count)); |
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| 189 | extern Elf_Scn *elf_newscn __P((Elf *__elf)); |
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| 190 | extern Elf_Cmd elf_next __P((Elf *__elf)); |
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| 191 | extern Elf_Scn *elf_nextscn __P((Elf *__elf, Elf_Scn *__scn)); |
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| 192 | extern size_t elf_rand __P((Elf *__elf, size_t __offset)); |
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| 193 | extern Elf_Data *elf_rawdata __P((Elf_Scn *__scn, Elf_Data *__data)); |
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| 194 | extern char *elf_rawfile __P((Elf *__elf, size_t *__ptr)); |
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| 195 | extern char *elf_strptr __P((Elf *__elf, size_t __section, size_t __offset)); |
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| 196 | extern off_t elf_update __P((Elf *__elf, Elf_Cmd __cmd)); |
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| 197 | extern unsigned elf_version __P((unsigned __ver)); |
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| 198 | extern Elf_Data *elf32_xlatetof __P((Elf_Data *__dst, const Elf_Data *__src, |
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| 199 | unsigned __encode)); |
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| 200 | extern Elf_Data *elf32_xlatetom __P((Elf_Data *__dst, const Elf_Data *__src, |
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| 201 | unsigned __encode)); |
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| 202 | |||
| 203 | #if __LIBELF64 |
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| 204 | /* |
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| 205 | * 64-bit ELF functions |
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| 206 | * Not available on all platforms |
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| 207 | */ |
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| 208 | extern Elf64_Ehdr *elf64_getehdr __P((Elf *__elf)); |
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| 209 | extern Elf64_Ehdr *elf64_newehdr __P((Elf *__elf)); |
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| 210 | extern Elf64_Phdr *elf64_getphdr __P((Elf *__elf)); |
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| 211 | extern Elf64_Phdr *elf64_newphdr __P((Elf *__elf, size_t __count)); |
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| 212 | extern Elf64_Shdr *elf64_getshdr __P((Elf_Scn *__scn)); |
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| 213 | extern size_t elf64_fsize __P((Elf_Type __type, size_t __count, |
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| 214 | unsigned __ver)); |
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| 215 | extern Elf_Data *elf64_xlatetof __P((Elf_Data *__dst, const Elf_Data *__src, |
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| 216 | unsigned __encode)); |
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| 217 | extern Elf_Data *elf64_xlatetom __P((Elf_Data *__dst, const Elf_Data *__src, |
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| 218 | unsigned __encode)); |
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| 219 | #endif /* __LIBELF64 */ |
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| 220 | |||
| 221 | /* |
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| 222 | * More function declarations |
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| 223 | * These functions are NOT available |
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| 224 | * in the SYSV version of libelf! |
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| 225 | */ |
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| 226 | extern size_t elf_delscn __P((Elf *__elf, Elf_Scn *__scn)); |
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| 227 | |||
| 228 | #ifdef __cplusplus |
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| 229 | } |
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| 230 | #endif /* __cplusplus */ |
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| 231 | |||
| 232 | #endif /* _LIBELF_H */ |