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_Word a_type; /* 32-bit id */ 58 Elf32_Word a_v; /* 32-bit id */ 59 } Aux32Info; 60 61 typedef struct { 62 Elf64_Xword a_type; /* 64-bit id */ 63 Elf64_Xword a_v; /* 64-bit id */ 64 } Aux64Info; 65 66 #define AT_NULL 0 /* end of vector */ 67 #define AT_IGNORE 1 /* entry should be ignored */ 68 #define AT_EXECFD 2 /* file descriptor of program */ 69 #define AT_PHDR 3 /* program headers for program */ 70 #define AT_PHENT 4 /* size of program header entry */ 71 #define AT_PHNUM 5 /* number of program headers */ 72 #define AT_PAGESZ 6 /* system page size */ 73 #define AT_BASE 7 /* base address of interpreter */ 74 #define AT_FLAGS 8 /* flags */ 75 #define AT_ENTRY 9 /* entry point of program */ 76 #define AT_LINUX_NOTELF 10 /* program is not ELF */ 77 #define AT_LINUX_UID 11 /* real uid */ 78 #define AT_LINUX_EUID 12 /* effective uid */ 79 #define AT_LINUX_GID 13 /* real gid */ 80 #define AT_LINUX_EGID 14 /* effective gid */ 81 #define AT_LINUX_PLATFORM 15 /* string identifying CPU for optimizations */ 82 #define AT_LINUX_HWCAP 16 /* arch dependent hints at CPU capabilities */ 83 #define AT_LINUX_CLKTCK 17 /* frequency at which times() increments */ 84 /* AT_* values 18 through 22 are reserved */ 85 #define AT_LINUX_SECURE 23 /* secure mode boolean */ 86 #define AT_LINUX_BASE_PLATFORM 24 /* string identifying real platform, may 87 * differ from AT_PLATFORM. */ 88 #define AT_LINUX_RANDOM 25 /* address of 16 random bytes */ 89 #define AT_LINUX_HWCAP2 26 /* extension of AT_HWCAP */ 90 #define AT_LINUX_EXECFN 31 /* filename of program */ 91 92 typedef struct { 93 Elf32_Char e_ident[EI_NIDENT]; 94 Elf32_Half e_type; 95 Elf32_Half e_machine; 96 Elf32_Word e_version; 97 Elf32_Addr e_entry; /* Entry point */ 98 Elf32_Off e_phoff; 99 Elf32_Off e_shoff; 100 Elf32_Word e_flags; 101 Elf32_Half e_ehsize; 102 Elf32_Half e_phentsize; 103 Elf32_Half e_phnum; 104 Elf32_Half e_shentsize; 105 Elf32_Half e_shnum; 106 Elf32_Half e_shstrndx; 107 } Elf32_Ehdr; 108 109 typedef struct { 110 Elf64_Char e_ident[EI_NIDENT]; 111 Elf64_Half e_type; 112 Elf64_Half e_machine; 113 Elf64_Word e_version; 114 Elf64_Addr e_entry; /* Entry point */ 115 Elf64_Off e_phoff; 116 Elf64_Off e_shoff; 117 Elf64_Word e_flags; 118 Elf64_Half e_ehsize; 119 Elf64_Half e_phentsize; 120 Elf64_Half e_phnum; 121 Elf64_Half e_shentsize; 122 Elf64_Half e_shnum; 123 Elf64_Half e_shstrndx; 124 } Elf64_Ehdr; 125 126 /* e_type */ 127 #define ET_REL 1 128 #define ET_EXEC 2 129 #define ET_DYN 3 130 #define ET_CORE 4 131 132 /* e_machine (used only for SunOS 5.x hardware capabilities) */ 133 #define EM_SPARC 2 134 #define EM_386 3 135 #define EM_SPARC32PLUS 18 136 #define EM_SPARCV9 43 137 #define EM_IA_64 50 138 #define EM_AMD64 62 139 140 /* sh_type */ 141 #define SHT_SYMTAB 2 142 #define SHT_NOTE 7 143 #define SHT_DYNSYM 11 144 #define SHT_SUNW_cap 0x6ffffff5 /* SunOS 5.x hw/sw capabilities */ 145 146 /* elf type */ 147 #define ELFDATANONE 0 /* e_ident[EI_DATA] */ 148 #define ELFDATA2LSB 1 149 #define ELFDATA2MSB 2 150 151 /* elf class */ 152 #define ELFCLASSNONE 0 153 #define ELFCLASS32 1 154 #define ELFCLASS64 2 155 156 /* magic number */ 157 #define EI_MAG0 0 /* e_ident[] indexes */ 158 #define EI_MAG1 1 159 #define EI_MAG2 2 160 #define EI_MAG3 3 161 #define EI_CLASS 4 162 #define EI_DATA 5 163 #define EI_VERSION 6 164 #define EI_PAD 7 165 166 #define ELFMAG0 0x7f /* EI_MAG */ 167 #define ELFMAG1 'E' 168 #define ELFMAG2 'L' 169 #define ELFMAG3 'F' 170 #define ELFMAG "\177ELF" 171 172 #define OLFMAG1 'O' 173 #define OLFMAG "\177OLF" 174 175 typedef struct { 176 Elf32_Word p_type; 177 Elf32_Off p_offset; 178 Elf32_Addr p_vaddr; 179 Elf32_Addr p_paddr; 180 Elf32_Word p_filesz; 181 Elf32_Word p_memsz; 182 Elf32_Word p_flags; 183 Elf32_Word p_align; 184 } Elf32_Phdr; 185 186 typedef struct { 187 Elf64_Word p_type; 188 Elf64_Word p_flags; 189 Elf64_Off p_offset; 190 Elf64_Addr p_vaddr; 191 Elf64_Addr p_paddr; 192 Elf64_Xword p_filesz; 193 Elf64_Xword p_memsz; 194 Elf64_Xword p_align; 195 } Elf64_Phdr; 196 197 #define PT_NULL 0 /* p_type */ 198 #define PT_LOAD 1 199 #define PT_DYNAMIC 2 200 #define PT_INTERP 3 201 #define PT_NOTE 4 202 #define PT_SHLIB 5 203 #define PT_PHDR 6 204 #define PT_NUM 7 205 206 typedef struct { 207 Elf32_Word sh_name; 208 Elf32_Word sh_type; 209 Elf32_Word sh_flags; 210 Elf32_Addr sh_addr; 211 Elf32_Off sh_offset; 212 Elf32_Word sh_size; 213 Elf32_Word sh_link; 214 Elf32_Word sh_info; 215 Elf32_Word sh_addralign; 216 Elf32_Word sh_entsize; 217 } Elf32_Shdr; 218 219 typedef struct { 220 Elf64_Word sh_name; 221 Elf64_Word sh_type; 222 Elf64_Off sh_flags; 223 Elf64_Addr sh_addr; 224 Elf64_Off sh_offset; 225 Elf64_Off sh_size; 226 Elf64_Word sh_link; 227 Elf64_Word sh_info; 228 Elf64_Off sh_addralign; 229 Elf64_Off sh_entsize; 230 } Elf64_Shdr; 231 232 #define NT_NETBSD_CORE_PROCINFO 1 233 #define NT_NETBSD_CORE_AUXV 2 234 235 struct NetBSD_elfcore_procinfo { 236 /* Version 1 fields start here. */ 237 uint32_t cpi_version; /* our version */ 238 uint32_t cpi_cpisize; /* sizeof(this struct) */ 239 uint32_t cpi_signo; /* killing signal */ 240 uint32_t cpi_sigcode; /* signal code */ 241 uint32_t cpi_sigpend[4]; /* pending signals */ 242 uint32_t cpi_sigmask[4]; /* blocked signals */ 243 uint32_t cpi_sigignore[4]; /* ignored signals */ 244 uint32_t cpi_sigcatch[4]; /* caught signals */ 245 int32_t cpi_pid; /* process ID */ 246 int32_t cpi_ppid; /* parent process ID */ 247 int32_t cpi_pgrp; /* process group ID */ 248 int32_t cpi_sid; /* session ID */ 249 uint32_t cpi_ruid; /* real user ID */ 250 uint32_t cpi_euid; /* effective user ID */ 251 uint32_t cpi_svuid; /* saved user ID */ 252 uint32_t cpi_rgid; /* real group ID */ 253 uint32_t cpi_egid; /* effective group ID */ 254 uint32_t cpi_svgid; /* saved group ID */ 255 uint32_t cpi_nlwps; /* number of LWPs */ 256 int8_t cpi_name[32]; /* copy of p->p_comm */ 257 /* Add version 2 fields below here. */ 258 int32_t cpi_siglwp; /* LWP target of killing signal */ 259 }; 260 261 /* Note header in a PT_NOTE section */ 262 typedef struct elf_note { 263 Elf32_Word n_namesz; /* Name size */ 264 Elf32_Word n_descsz; /* Content size */ 265 Elf32_Word n_type; /* Content type */ 266 } Elf32_Nhdr; 267 268 typedef struct { 269 Elf64_Word n_namesz; 270 Elf64_Word n_descsz; 271 Elf64_Word n_type; 272 } Elf64_Nhdr; 273 274 /* Notes used in ET_CORE */ 275 #define NT_PRSTATUS 1 276 #define NT_PRFPREG 2 277 #define NT_PRPSINFO 3 278 #define NT_PRXREG 4 279 #define NT_TASKSTRUCT 4 280 #define NT_PLATFORM 5 281 #define NT_AUXV 6 282 283 /* Note types used in executables */ 284 /* NetBSD executables (name = "NetBSD") */ 285 #define NT_NETBSD_VERSION 1 286 #define NT_NETBSD_EMULATION 2 287 #define NT_FREEBSD_VERSION 1 288 #define NT_OPENBSD_VERSION 1 289 #define NT_DRAGONFLY_VERSION 1 290 /* 291 * GNU executables (name = "GNU") 292 * word[0]: GNU OS tags 293 * word[1]: major version 294 * word[2]: minor version 295 * word[3]: tiny version 296 */ 297 #define NT_GNU_VERSION 1 298 299 /* GNU OS tags */ 300 #define GNU_OS_LINUX 0 301 #define GNU_OS_HURD 1 302 #define GNU_OS_SOLARIS 2 303 #define GNU_OS_KFREEBSD 3 304 #define GNU_OS_KNETBSD 4 305 306 /* 307 * GNU Hardware capability information 308 * word[0]: Number of entries 309 * word[1]: Bitmask of enabled entries 310 * Followed by a byte id, and a NUL terminated string per entry 311 */ 312 #define NT_GNU_HWCAP 2 313 314 /* 315 * GNU Build ID generated by ld 316 * 160 bit SHA1 [default] 317 * 128 bit md5 or uuid 318 */ 319 #define NT_GNU_BUILD_ID 3 320 321 /* 322 * NetBSD-specific note type: PaX. 323 * There should be 1 NOTE per executable. 324 * name: PaX\0 325 * namesz: 4 326 * desc: 327 * word[0]: capability bitmask 328 * descsz: 4 329 */ 330 #define NT_NETBSD_PAX 3 331 #define NT_NETBSD_PAX_MPROTECT 0x01 /* Force enable Mprotect */ 332 #define NT_NETBSD_PAX_NOMPROTECT 0x02 /* Force disable Mprotect */ 333 #define NT_NETBSD_PAX_GUARD 0x04 /* Force enable Segvguard */ 334 #define NT_NETBSD_PAX_NOGUARD 0x08 /* Force disable Servguard */ 335 #define NT_NETBSD_PAX_ASLR 0x10 /* Force enable ASLR */ 336 #define NT_NETBSD_PAX_NOASLR 0x20 /* Force disable ASLR */ 337 338 /* 339 * NetBSD-specific note type: MACHINE_ARCH. 340 * There should be 1 NOTE per executable. 341 * name: NetBSD\0 342 * namesz: 7 343 * desc: string 344 * descsz: variable 345 */ 346 #define NT_NETBSD_MARCH 5 347 348 /* 349 * NetBSD-specific note type: COMPILER MODEL. 350 * There should be 1 NOTE per executable. 351 * name: NetBSD\0 352 * namesz: 7 353 * desc: string 354 * descsz: variable 355 */ 356 #define NT_NETBSD_CMODEL 6 357 358 /* 359 * FreeBSD specific notes 360 */ 361 #define NT_FREEBSD_PROCSTAT_AUXV 16 362 363 #if !defined(ELFSIZE) && defined(ARCH_ELFSIZE) 364 #define ELFSIZE ARCH_ELFSIZE 365 #endif 366 /* SunOS 5.x hardware/software capabilities */ 367 typedef struct { 368 Elf32_Word c_tag; 369 union { 370 Elf32_Word c_val; 371 Elf32_Addr c_ptr; 372 } c_un; 373 } Elf32_Cap; 374 375 typedef struct { 376 Elf64_Xword c_tag; 377 union { 378 Elf64_Xword c_val; 379 Elf64_Addr c_ptr; 380 } c_un; 381 } Elf64_Cap; 382 383 /* SunOS 5.x hardware/software capability tags */ 384 #define CA_SUNW_NULL 0 385 #define CA_SUNW_HW_1 1 386 #define CA_SUNW_SF_1 2 387 388 /* SunOS 5.x software capabilities */ 389 #define SF1_SUNW_FPKNWN 0x01 390 #define SF1_SUNW_FPUSED 0x02 391 #define SF1_SUNW_MASK 0x03 392 393 /* SunOS 5.x hardware capabilities: sparc */ 394 #define AV_SPARC_MUL32 0x0001 395 #define AV_SPARC_DIV32 0x0002 396 #define AV_SPARC_FSMULD 0x0004 397 #define AV_SPARC_V8PLUS 0x0008 398 #define AV_SPARC_POPC 0x0010 399 #define AV_SPARC_VIS 0x0020 400 #define AV_SPARC_VIS2 0x0040 401 #define AV_SPARC_ASI_BLK_INIT 0x0080 402 #define AV_SPARC_FMAF 0x0100 403 #define AV_SPARC_FJFMAU 0x4000 404 #define AV_SPARC_IMA 0x8000 405 406 /* SunOS 5.x hardware capabilities: 386 */ 407 #define AV_386_FPU 0x00000001 408 #define AV_386_TSC 0x00000002 409 #define AV_386_CX8 0x00000004 410 #define AV_386_SEP 0x00000008 411 #define AV_386_AMD_SYSC 0x00000010 412 #define AV_386_CMOV 0x00000020 413 #define AV_386_MMX 0x00000040 414 #define AV_386_AMD_MMX 0x00000080 415 #define AV_386_AMD_3DNow 0x00000100 416 #define AV_386_AMD_3DNowx 0x00000200 417 #define AV_386_FXSR 0x00000400 418 #define AV_386_SSE 0x00000800 419 #define AV_386_SSE2 0x00001000 420 #define AV_386_PAUSE 0x00002000 421 #define AV_386_SSE3 0x00004000 422 #define AV_386_MON 0x00008000 423 #define AV_386_CX16 0x00010000 424 #define AV_386_AHF 0x00020000 425 #define AV_386_TSCP 0x00040000 426 #define AV_386_AMD_SSE4A 0x00080000 427 #define AV_386_POPCNT 0x00100000 428 #define AV_386_AMD_LZCNT 0x00200000 429 #define AV_386_SSSE3 0x00400000 430 #define AV_386_SSE4_1 0x00800000 431 #define AV_386_SSE4_2 0x01000000 432 433 #endif 434