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 #ifndef _ELF_H 29 #define _ELF_H 30 31 #include <linux/auxvec.h> 32 #include <linux/elf.h> 33 #include <linux/elf-em.h> 34 35 #include <machine/elf_machdep.h> 36 37 #define ELF32_R_INFO(sym, type) ((((Elf32_Word)sym) << 8) | ((type) & 0xff)) 38 #define ELF64_R_INFO(sym, type) ((((Elf64_Xword)sym) << 32) | ((type) & 0xffffffff)) 39 40 typedef __s64 Elf32_Sxword; 41 42 typedef struct { 43 __u32 a_type; 44 union { 45 __u32 a_val; 46 } a_un; 47 } Elf32_auxv_t; 48 49 typedef struct { 50 __u64 a_type; 51 union { 52 __u64 a_val; 53 } a_un; 54 } Elf64_auxv_t; 55 56 typedef Elf32_Half Elf32_Versym; 57 typedef Elf64_Half Elf64_Versym; 58 59 typedef struct { 60 Elf32_Half vd_version; 61 Elf32_Half vd_flags; 62 Elf32_Half vd_ndx; 63 Elf32_Half vd_cnt; 64 Elf32_Word vd_hash; 65 Elf32_Word vd_aux; 66 Elf32_Word vd_next; 67 } Elf32_Verdef; 68 69 typedef struct { 70 Elf32_Word vda_name; 71 Elf32_Word vda_next; 72 } Elf32_Verdaux; 73 74 typedef struct { 75 Elf64_Half vd_version; 76 Elf64_Half vd_flags; 77 Elf64_Half vd_ndx; 78 Elf64_Half vd_cnt; 79 Elf64_Word vd_hash; 80 Elf64_Word vd_aux; 81 Elf64_Word vd_next; 82 } Elf64_Verdef; 83 84 typedef struct { 85 Elf64_Word vda_name; 86 Elf64_Word vda_next; 87 } Elf64_Verdaux; 88 89 typedef struct { 90 Elf32_Half vn_version; 91 Elf32_Half vn_cnt; 92 Elf32_Word vn_file; 93 Elf32_Word vn_aux; 94 Elf32_Word vn_next; 95 } Elf32_Verneed; 96 97 typedef struct { 98 Elf32_Word vna_hash; 99 Elf32_Half vna_flags; 100 Elf32_Half vna_other; 101 Elf32_Word vna_name; 102 Elf32_Word vna_next; 103 } Elf32_Vernaux; 104 105 typedef struct { 106 Elf64_Half vn_version; 107 Elf64_Half vn_cnt; 108 Elf64_Word vn_file; 109 Elf64_Word vn_aux; 110 Elf64_Word vn_next; 111 } Elf64_Verneed; 112 113 typedef struct { 114 Elf64_Word vna_hash; 115 Elf64_Half vna_flags; 116 Elf64_Half vna_other; 117 Elf64_Word vna_name; 118 Elf64_Word vna_next; 119 } Elf64_Vernaux; 120 121 #define DF_ORIGIN 0x00000001 122 #define DF_SYMBOLIC 0x00000002 123 #define DF_TEXTREL 0x00000004 124 #define DF_BIND_NOW 0x00000008 125 #define DF_STATIC_TLS 0x00000010 126 127 #define DF_1_NOW 0x00000001 /* Perform complete relocation processing. */ 128 #define DF_1_GLOBAL 0x00000002 /* implies RTLD_GLOBAL */ 129 #define DF_1_GROUP 0x00000004 130 #define DF_1_NODELETE 0x00000008 /* implies RTLD_NODELETE */ 131 #define DF_1_LOADFLTR 0x00000010 132 #define DF_1_INITFIRST 0x00000020 133 #define DF_1_NOOPEN 0x00000040 /* Object can not be used with dlopen(3) */ 134 #define DF_1_ORIGIN 0x00000080 135 #define DF_1_DIRECT 0x00000100 136 #define DF_1_TRANS 0x00000200 137 #define DF_1_INTERPOSE 0x00000400 138 #define DF_1_NODEFLIB 0x00000800 139 #define DF_1_NODUMP 0x00001000 /* Object cannot be dumped with dldump(3) */ 140 #define DF_1_CONFALT 0x00002000 141 #define DF_1_ENDFILTEE 0x00004000 142 #define DF_1_DISPRELDNE 0x00008000 143 #define DF_1_DISPRELPND 0x00010000 144 #define DF_1_NODIRECT 0x00020000 145 #define DF_1_IGNMULDEF 0x00040000 /* Internal use */ 146 #define DF_1_NOKSYMS 0x00080000 /* Internal use */ 147 #define DF_1_NOHDR 0x00100000 /* Internal use */ 148 #define DF_1_EDITED 0x00200000 149 #define DF_1_NORELOC 0x00400000 /* Internal use */ 150 #define DF_1_SYMINTPOSE 0x00800000 151 #define DF_1_GLOBAUDIT 0x01000000 152 #define DF_1_SINGLETON 0x02000000 153 #define DF_1_STUB 0x04000000 154 #define DF_1_PIE 0x08000000 155 156 #define DT_BIND_NOW 24 157 #define DT_INIT_ARRAY 25 158 #define DT_FINI_ARRAY 26 159 #define DT_INIT_ARRAYSZ 27 160 #define DT_FINI_ARRAYSZ 28 161 #define DT_RUNPATH 29 162 #define DT_FLAGS 30 163 /* glibc and BSD disagree for DT_ENCODING; glibc looks wrong. */ 164 #define DT_PREINIT_ARRAY 32 165 #define DT_PREINIT_ARRAYSZ 33 166 167 /* Android compressed rel/rela sections */ 168 #define DT_ANDROID_REL (DT_LOOS + 2) 169 #define DT_ANDROID_RELSZ (DT_LOOS + 3) 170 171 #define DT_ANDROID_RELA (DT_LOOS + 4) 172 #define DT_ANDROID_RELASZ (DT_LOOS + 5) 173 174 /* gnu hash entry */ 175 #define DT_GNU_HASH 0x6ffffef5 176 177 #define ELFOSABI_SYSV 0 /* Synonym for ELFOSABI_NONE used by valgrind. */ 178 179 #define PT_GNU_RELRO 0x6474e552 180 181 #define STB_LOOS 10 182 #define STB_HIOS 12 183 #define STB_LOPROC 13 184 #define STB_HIPROC 15 185 186 #define SHT_LOOS 0x60000000 187 #define SHT_HIOS 0x6fffffff 188 189 #define STT_GNU_IFUNC 10 190 #define STT_LOOS 10 191 #define STT_HIOS 12 192 #define STT_LOPROC 13 193 #define STT_HIPROC 15 194 195 #define STV_DEFAULT 0 196 #define STV_INTERNAL 1 197 #define STV_HIDDEN 2 198 #define STV_PROTECTED 3 199 200 /* The kernel uses NT_PRFPREG but glibc also offers NT_FPREGSET */ 201 #define NT_FPREGSET NT_PRFPREG 202 203 #define ELF_NOTE_GNU "GNU" 204 205 #define NT_GNU_BUILD_ID 3 206 207 #define VER_FLG_BASE 0x1 208 #define VER_FLG_WEAK 0x2 209 210 #define VER_NDX_LOCAL 0 211 #define VER_NDX_GLOBAL 1 212 213 #endif /* _ELF_H */ 214
