contrib/file/src/readelf.h

   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