1 /* 2 * Copyright (c) Christos Zoulas 2003. 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 * 1. Redistributions of source code must retain the above copyright 9 * notice immediately at the beginning of the file, without modification, 10 * this list of conditions, and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR 19 * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 25 * SUCH DAMAGE. 26 */ 27 /* 28 * @(#)Id: readelf.h,v 1.9 2002/05/16 18:45:56 christos Exp 29 * 30 * Provide elf data structures for non-elf machines, allowing file 31 * non-elf hosts to determine if an elf binary is stripped. 32 * Note: cobbled from the linux header file, with modifications 33 */ 34 #ifndef __fake_elf_h__ 35 #define __fake_elf_h__ 36 37 #if HAVE_STDINT_H 38 #include <stdint.h> 39 #endif 40 41 typedef uint32_t Elf32_Addr; 42 typedef uint32_t Elf32_Off; 43 typedef uint16_t Elf32_Half; 44 typedef uint32_t Elf32_Word; 45 typedef uint8_t Elf32_Char; 46 47 typedef uint64_t Elf64_Addr; 48 typedef uint64_t Elf64_Off; 49 typedef uint64_t Elf64_Xword; 50 typedef uint16_t Elf64_Half; 51 typedef uint32_t Elf64_Word; 52 typedef uint8_t Elf64_Char; 53 54 #define EI_NIDENT 16 55 56 typedef struct { 57 Elf32_Char e_ident[EI_NIDENT]; 58 Elf32_Half e_type; 59 Elf32_Half e_machine; 60 Elf32_Word e_version; 61 Elf32_Addr e_entry; /* Entry point */ 62 Elf32_Off e_phoff; 63 Elf32_Off e_shoff; 64 Elf32_Word e_flags; 65 Elf32_Half e_ehsize; 66 Elf32_Half e_phentsize; 67 Elf32_Half e_phnum; 68 Elf32_Half e_shentsize; 69 Elf32_Half e_shnum; 70 Elf32_Half e_shstrndx; 71 } Elf32_Ehdr; 72 73 typedef struct { 74 Elf64_Char e_ident[EI_NIDENT]; 75 Elf64_Half e_type; 76 Elf64_Half e_machine; 77 Elf64_Word e_version; 78 Elf64_Addr e_entry; /* Entry point */ 79 Elf64_Off e_phoff; 80 Elf64_Off e_shoff; 81 Elf64_Word e_flags; 82 Elf64_Half e_ehsize; 83 Elf64_Half e_phentsize; 84 Elf64_Half e_phnum; 85 Elf64_Half e_shentsize; 86 Elf64_Half e_shnum; 87 Elf64_Half e_shstrndx; 88 } Elf64_Ehdr; 89 90 /* e_type */ 91 #define ET_REL 1 92 #define ET_EXEC 2 93 #define ET_DYN 3 94 #define ET_CORE 4 95 96 /* e_machine (used only for SunOS 5.x hardware capabilities) */ 97 #define EM_SPARC 2 98 #define EM_386 3 99 #define EM_SPARC32PLUS 18 100 #define EM_SPARCV9 43 101 #define EM_IA_64 50 102 #define EM_AMD64 62 103 104 /* sh_type */ 105 #define SHT_SYMTAB 2 106 #define SHT_NOTE 7 107 #define SHT_DYNSYM 11 108 #define SHT_SUNW_cap 0x6ffffff5 /* SunOS 5.x hw/sw capabilites */ 109 110 /* elf type */ 111 #define ELFDATANONE 0 /* e_ident[EI_DATA] */ 112 #define ELFDATA2LSB 1 113 #define ELFDATA2MSB 2 114 115 /* elf class */ 116 #define ELFCLASSNONE 0 117 #define ELFCLASS32 1 118 #define ELFCLASS64 2 119 120 /* magic number */ 121 #define EI_MAG0 0 /* e_ident[] indexes */ 122 #define EI_MAG1 1 123 #define EI_MAG2 2 124 #define EI_MAG3 3 125 #define EI_CLASS 4 126 #define EI_DATA 5 127 #define EI_VERSION 6 128 #define EI_PAD 7 129 130 #define ELFMAG0 0x7f /* EI_MAG */ 131 #define ELFMAG1 'E' 132 #define ELFMAG2 'L' 133 #define ELFMAG3 'F' 134 #define ELFMAG "\177ELF" 135 136 #define OLFMAG1 'O' 137 #define OLFMAG "\177OLF" 138 139 typedef struct { 140 Elf32_Word p_type; 141 Elf32_Off p_offset; 142 Elf32_Addr p_vaddr; 143 Elf32_Addr p_paddr; 144 Elf32_Word p_filesz; 145 Elf32_Word p_memsz; 146 Elf32_Word p_flags; 147 Elf32_Word p_align; 148 } Elf32_Phdr; 149 150 typedef struct { 151 Elf64_Word p_type; 152 Elf64_Word p_flags; 153 Elf64_Off p_offset; 154 Elf64_Addr p_vaddr; 155 Elf64_Addr p_paddr; 156 Elf64_Xword p_filesz; 157 Elf64_Xword p_memsz; 158 Elf64_Xword p_align; 159 } Elf64_Phdr; 160 161 #define PT_NULL 0 /* p_type */ 162 #define PT_LOAD 1 163 #define PT_DYNAMIC 2 164 #define PT_INTERP 3 165 #define PT_NOTE 4 166 #define PT_SHLIB 5 167 #define PT_PHDR 6 168 #define PT_NUM 7 169 170 typedef struct { 171 Elf32_Word sh_name; 172 Elf32_Word sh_type; 173 Elf32_Word sh_flags; 174 Elf32_Addr sh_addr; 175 Elf32_Off sh_offset; 176 Elf32_Word sh_size; 177 Elf32_Word sh_link; 178 Elf32_Word sh_info; 179 Elf32_Word sh_addralign; 180 Elf32_Word sh_entsize; 181 } Elf32_Shdr; 182 183 typedef struct { 184 Elf64_Word sh_name; 185 Elf64_Word sh_type; 186 Elf64_Off sh_flags; 187 Elf64_Addr sh_addr; 188 Elf64_Off sh_offset; 189 Elf64_Off sh_size; 190 Elf64_Word sh_link; 191 Elf64_Word sh_info; 192 Elf64_Off sh_addralign; 193 Elf64_Off sh_entsize; 194 } Elf64_Shdr; 195 196 #define NT_NETBSD_CORE_PROCINFO 1 197 198 /* Note header in a PT_NOTE section */ 199 typedef struct elf_note { 200 Elf32_Word n_namesz; /* Name size */ 201 Elf32_Word n_descsz; /* Content size */ 202 Elf32_Word n_type; /* Content type */ 203 } Elf32_Nhdr; 204 205 typedef struct { 206 Elf64_Word n_namesz; 207 Elf64_Word n_descsz; 208 Elf64_Word n_type; 209 } Elf64_Nhdr; 210 211 /* Notes used in ET_CORE */ 212 #define NT_PRSTATUS 1 213 #define NT_PRFPREG 2 214 #define NT_PRPSINFO 3 215 #define NT_PRXREG 4 216 #define NT_TASKSTRUCT 4 217 #define NT_PLATFORM 5 218 #define NT_AUXV 6 219 220 /* Note types used in executables */ 221 /* NetBSD executables (name = "NetBSD") */ 222 #define NT_NETBSD_VERSION 1 223 #define NT_NETBSD_EMULATION 2 224 #define NT_FREEBSD_VERSION 1 225 #define NT_OPENBSD_VERSION 1 226 #define NT_DRAGONFLY_VERSION 1 227 /* 228 * GNU executables (name = "GNU") 229 * word[0]: GNU OS tags 230 * word[1]: major version 231 * word[2]: minor version 232 * word[3]: tiny version 233 */ 234 #define NT_GNU_VERSION 1 235 236 /* GNU OS tags */ 237 #define GNU_OS_LINUX 0 238 #define GNU_OS_HURD 1 239 #define GNU_OS_SOLARIS 2 240 #define GNU_OS_KFREEBSD 3 241 #define GNU_OS_KNETBSD 4 242 243 /* 244 * GNU Hardware capability information 245 * word[0]: Number of entries 246 * word[1]: Bitmask of enabled entries 247 * Followed by a byte id, and a NUL terminated string per entry 248 */ 249 #define NT_GNU_HWCAP 2 250 251 /* 252 * GNU Build ID generated by ld 253 * 160 bit SHA1 [default] 254 * 128 bit md5 or uuid 255 */ 256 #define NT_GNU_BUILD_ID 3 257 258 /* 259 * NetBSD-specific note type: PaX. 260 * There should be 1 NOTE per executable. 261 * name: PaX\0 262 * namesz: 4 263 * desc: 264 * word[0]: capability bitmask 265 * descsz: 4 266 */ 267 #define NT_NETBSD_PAX 3 268 #define NT_NETBSD_PAX_MPROTECT 0x01 /* Force enable Mprotect */ 269 #define NT_NETBSD_PAX_NOMPROTECT 0x02 /* Force disable Mprotect */ 270 #define NT_NETBSD_PAX_GUARD 0x04 /* Force enable Segvguard */ 271 #define NT_NETBSD_PAX_NOGUARD 0x08 /* Force disable Servguard */ 272 #define NT_NETBSD_PAX_ASLR 0x10 /* Force enable ASLR */ 273 #define NT_NETBSD_PAX_NOASLR 0x20 /* Force disable ASLR */ 274 275 /* 276 * NetBSD-specific note type: MACHINE_ARCH. 277 * There should be 1 NOTE per executable. 278 * name: NetBSD\0 279 * namesz: 7 280 * desc: string 281 * descsz: variable 282 */ 283 #define NT_NETBSD_MARCH 5 284 285 /* 286 * NetBSD-specific note type: COMPILER MODEL. 287 * There should be 1 NOTE per executable. 288 * name: NetBSD\0 289 * namesz: 7 290 * desc: string 291 * descsz: variable 292 */ 293 #define NT_NETBSD_CMODEL 6 294 295 #if !defined(ELFSIZE) && defined(ARCH_ELFSIZE) 296 #define ELFSIZE ARCH_ELFSIZE 297 #endif 298 /* SunOS 5.x hardware/software capabilities */ 299 typedef struct { 300 Elf32_Word c_tag; 301 union { 302 Elf32_Word c_val; 303 Elf32_Addr c_ptr; 304 } c_un; 305 } Elf32_Cap; 306 307 typedef struct { 308 Elf64_Xword c_tag; 309 union { 310 Elf64_Xword c_val; 311 Elf64_Addr c_ptr; 312 } c_un; 313 } Elf64_Cap; 314 315 /* SunOS 5.x hardware/software capability tags */ 316 #define CA_SUNW_NULL 0 317 #define CA_SUNW_HW_1 1 318 #define CA_SUNW_SF_1 2 319 320 /* SunOS 5.x software capabilities */ 321 #define SF1_SUNW_FPKNWN 0x01 322 #define SF1_SUNW_FPUSED 0x02 323 #define SF1_SUNW_MASK 0x03 324 325 /* SunOS 5.x hardware capabilities: sparc */ 326 #define AV_SPARC_MUL32 0x0001 327 #define AV_SPARC_DIV32 0x0002 328 #define AV_SPARC_FSMULD 0x0004 329 #define AV_SPARC_V8PLUS 0x0008 330 #define AV_SPARC_POPC 0x0010 331 #define AV_SPARC_VIS 0x0020 332 #define AV_SPARC_VIS2 0x0040 333 #define AV_SPARC_ASI_BLK_INIT 0x0080 334 #define AV_SPARC_FMAF 0x0100 335 #define AV_SPARC_FJFMAU 0x4000 336 #define AV_SPARC_IMA 0x8000 337 338 /* SunOS 5.x hardware capabilities: 386 */ 339 #define AV_386_FPU 0x00000001 340 #define AV_386_TSC 0x00000002 341 #define AV_386_CX8 0x00000004 342 #define AV_386_SEP 0x00000008 343 #define AV_386_AMD_SYSC 0x00000010 344 #define AV_386_CMOV 0x00000020 345 #define AV_386_MMX 0x00000040 346 #define AV_386_AMD_MMX 0x00000080 347 #define AV_386_AMD_3DNow 0x00000100 348 #define AV_386_AMD_3DNowx 0x00000200 349 #define AV_386_FXSR 0x00000400 350 #define AV_386_SSE 0x00000800 351 #define AV_386_SSE2 0x00001000 352 #define AV_386_PAUSE 0x00002000 353 #define AV_386_SSE3 0x00004000 354 #define AV_386_MON 0x00008000 355 #define AV_386_CX16 0x00010000 356 #define AV_386_AHF 0x00020000 357 #define AV_386_TSCP 0x00040000 358 #define AV_386_AMD_SSE4A 0x00080000 359 #define AV_386_POPCNT 0x00100000 360 #define AV_386_AMD_LZCNT 0x00200000 361 #define AV_386_SSSE3 0x00400000 362 #define AV_386_SSE4_1 0x00800000 363 #define AV_386_SSE4_2 0x01000000 364 365 #endif 366