1 /* 2 * Copyright (C) 2008 The Android Open Source Project 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * * Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * * Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in 12 * the documentation and/or other materials provided with the 13 * distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 16 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 17 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS 18 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE 19 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, 20 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, 21 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS 22 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED 23 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, 24 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT 25 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #ifndef _ELF_H 30 #define _ELF_H 31 32 #include <sys/cdefs.h> 33 34 #include <linux/auxvec.h> 35 #include <linux/elf.h> 36 #include <linux/elf-em.h> 37 #include <machine/elf_machdep.h> 38 39 #define ELF32_R_INFO(sym, type) ((((Elf32_Word)sym) << 8) | ((type) & 0xff)) 40 #define ELF64_R_INFO(sym, type) ((((Elf64_Xword)sym) << 32) | ((type) & 0xffffffff)) 41 42 typedef __s64 Elf32_Sxword; 43 44 typedef struct { 45 __u32 a_type; 46 union { 47 __u32 a_val; 48 } a_un; 49 } Elf32_auxv_t; 50 51 typedef struct { 52 __u64 a_type; 53 union { 54 __u64 a_val; 55 } a_un; 56 } Elf64_auxv_t; 57 58 typedef Elf32_Half Elf32_Versym; 59 typedef Elf64_Half Elf64_Versym; 60 61 typedef struct { 62 Elf32_Half vd_version; 63 Elf32_Half vd_flags; 64 Elf32_Half vd_ndx; 65 Elf32_Half vd_cnt; 66 Elf32_Word vd_hash; 67 Elf32_Word vd_aux; 68 Elf32_Word vd_next; 69 } Elf32_Verdef; 70 71 typedef struct { 72 Elf32_Word vda_name; 73 Elf32_Word vda_next; 74 } Elf32_Verdaux; 75 76 typedef struct { 77 Elf64_Half vd_version; 78 Elf64_Half vd_flags; 79 Elf64_Half vd_ndx; 80 Elf64_Half vd_cnt; 81 Elf64_Word vd_hash; 82 Elf64_Word vd_aux; 83 Elf64_Word vd_next; 84 } Elf64_Verdef; 85 86 typedef struct { 87 Elf64_Word vda_name; 88 Elf64_Word vda_next; 89 } Elf64_Verdaux; 90 91 typedef struct { 92 Elf32_Half vn_version; 93 Elf32_Half vn_cnt; 94 Elf32_Word vn_file; 95 Elf32_Word vn_aux; 96 Elf32_Word vn_next; 97 } Elf32_Verneed; 98 99 typedef struct { 100 Elf32_Word vna_hash; 101 Elf32_Half vna_flags; 102 Elf32_Half vna_other; 103 Elf32_Word vna_name; 104 Elf32_Word vna_next; 105 } Elf32_Vernaux; 106 107 typedef struct { 108 Elf64_Half vn_version; 109 Elf64_Half vn_cnt; 110 Elf64_Word vn_file; 111 Elf64_Word vn_aux; 112 Elf64_Word vn_next; 113 } Elf64_Verneed; 114 115 typedef struct { 116 Elf64_Word vna_hash; 117 Elf64_Half vna_flags; 118 Elf64_Half vna_other; 119 Elf64_Word vna_name; 120 Elf64_Word vna_next; 121 } Elf64_Vernaux; 122 123 #define DF_ORIGIN 0x00000001 124 #define DF_SYMBOLIC 0x00000002 125 #define DF_TEXTREL 0x00000004 126 #define DF_BIND_NOW 0x00000008 127 #define DF_STATIC_TLS 0x00000010 128 129 #define DF_1_NOW 0x00000001 /* Perform complete relocation processing. */ 130 #define DF_1_GLOBAL 0x00000002 /* implies RTLD_GLOBAL */ 131 #define DF_1_GROUP 0x00000004 132 #define DF_1_NODELETE 0x00000008 /* implies RTLD_NODELETE */ 133 #define DF_1_LOADFLTR 0x00000010 134 #define DF_1_INITFIRST 0x00000020 135 #define DF_1_NOOPEN 0x00000040 /* Object can not be used with dlopen(3) */ 136 #define DF_1_ORIGIN 0x00000080 137 #define DF_1_DIRECT 0x00000100 138 #define DF_1_TRANS 0x00000200 139 #define DF_1_INTERPOSE 0x00000400 140 #define DF_1_NODEFLIB 0x00000800 141 #define DF_1_NODUMP 0x00001000 /* Object cannot be dumped with dldump(3) */ 142 #define DF_1_CONFALT 0x00002000 143 #define DF_1_ENDFILTEE 0x00004000 144 #define DF_1_DISPRELDNE 0x00008000 145 #define DF_1_DISPRELPND 0x00010000 146 #define DF_1_NODIRECT 0x00020000 147 #define DF_1_IGNMULDEF 0x00040000 /* Internal use */ 148 #define DF_1_NOKSYMS 0x00080000 /* Internal use */ 149 #define DF_1_NOHDR 0x00100000 /* Internal use */ 150 #define DF_1_EDITED 0x00200000 151 #define DF_1_NORELOC 0x00400000 /* Internal use */ 152 #define DF_1_SYMINTPOSE 0x00800000 153 #define DF_1_GLOBAUDIT 0x01000000 154 #define DF_1_SINGLETON 0x02000000 155 #define DF_1_STUB 0x04000000 156 #define DF_1_PIE 0x08000000 157 158 #define DT_BIND_NOW 24 159 #define DT_INIT_ARRAY 25 160 #define DT_FINI_ARRAY 26 161 #define DT_INIT_ARRAYSZ 27 162 #define DT_FINI_ARRAYSZ 28 163 #define DT_RUNPATH 29 164 #define DT_FLAGS 30 165 /* glibc and BSD disagree for DT_ENCODING; glibc looks wrong. */ 166 #define DT_PREINIT_ARRAY 32 167 #define DT_PREINIT_ARRAYSZ 33 168 169 /* Android compressed rel/rela sections */ 170 #define DT_ANDROID_REL (DT_LOOS + 2) 171 #define DT_ANDROID_RELSZ (DT_LOOS + 3) 172 173 #define DT_ANDROID_RELA (DT_LOOS + 4) 174 #define DT_ANDROID_RELASZ (DT_LOOS + 5) 175 176 /* gnu hash entry */ 177 #define DT_GNU_HASH 0x6ffffef5 178 179 #define ELFOSABI_SYSV 0 /* Synonym for ELFOSABI_NONE used by valgrind. */ 180 181 #define PT_GNU_RELRO 0x6474e552 182 183 #define STB_LOOS 10 184 #define STB_HIOS 12 185 #define STB_LOPROC 13 186 #define STB_HIPROC 15 187 188 #define SHT_LOOS 0x60000000 189 #define SHT_HIOS 0x6fffffff 190 191 #define STT_GNU_IFUNC 10 192 #define STT_LOOS 10 193 #define STT_HIOS 12 194 #define STT_LOPROC 13 195 #define STT_HIPROC 15 196 197 #define STV_DEFAULT 0 198 #define STV_INTERNAL 1 199 #define STV_HIDDEN 2 200 #define STV_PROTECTED 3 201 202 /* The kernel uses NT_PRFPREG but glibc also offers NT_FPREGSET */ 203 #define NT_FPREGSET NT_PRFPREG 204 205 #define ELF_NOTE_GNU "GNU" 206 207 #define NT_GNU_BUILD_ID 3 208 209 #define VER_FLG_BASE 0x1 210 #define VER_FLG_WEAK 0x2 211 212 #define VER_NDX_LOCAL 0 213 #define VER_NDX_GLOBAL 1 214 215 #endif /* _ELF_H */ 216