1 #ifndef _LINUX_ELF_H 2 #define _LINUX_ELF_H 3 4 #include <linux/types.h> 5 #include <asm/elf.h> 6 7 /* 32-bit ELF base types. */ 8 typedef __u32 Elf32_Addr; 9 typedef __u16 Elf32_Half; 10 typedef __u32 Elf32_Off; 11 typedef __s32 Elf32_Sword; 12 typedef __u32 Elf32_Word; 13 14 /* 64-bit ELF base types. */ 15 typedef __u64 Elf64_Addr; 16 typedef __u16 Elf64_Half; 17 typedef __s16 Elf64_SHalf; 18 typedef __u64 Elf64_Off; 19 typedef __s32 Elf64_Sword; 20 typedef __u32 Elf64_Word; 21 typedef __u64 Elf64_Xword; 22 typedef __s64 Elf64_Sxword; 23 24 /* These constants are for the segment types stored in the image headers */ 25 #define PT_NULL 0 26 #define PT_LOAD 1 27 #define PT_DYNAMIC 2 28 #define PT_INTERP 3 29 #define PT_NOTE 4 30 #define PT_SHLIB 5 31 #define PT_PHDR 6 32 #define PT_LOPROC 0x70000000 33 #define PT_HIPROC 0x7fffffff 34 #define PT_MIPS_REGINFO 0x70000000 35 #define PT_MIPS_OPTIONS 0x70000001 36 37 /* Flags in the e_flags field of the header */ 38 #define EF_MIPS_NOREORDER 0x00000001 39 #define EF_MIPS_PIC 0x00000002 40 #define EF_MIPS_CPIC 0x00000004 41 #define EF_MIPS_ABI2 0x00000020 42 #define EF_MIPS_OPTIONS_FIRST 0x00000080 43 #define EF_MIPS_32BITMODE 0x00000100 44 #define EF_MIPS_ABI 0x0000f000 45 #define EF_MIPS_ARCH 0xf0000000 46 47 /* These constants define the different elf file types */ 48 #define ET_NONE 0 49 #define ET_REL 1 50 #define ET_EXEC 2 51 #define ET_DYN 3 52 #define ET_CORE 4 53 #define ET_LOPROC 0xff00 54 #define ET_HIPROC 0xffff 55 56 /* These constants define the various ELF target machines */ 57 #define EM_NONE 0 58 #define EM_M32 1 59 #define EM_SPARC 2 60 #define EM_386 3 61 #define EM_68K 4 62 #define EM_88K 5 63 #define EM_486 6 /* Perhaps disused */ 64 #define EM_860 7 65 66 #define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */ 67 68 #define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian */ 69 70 #define EM_PARISC 15 /* HPPA */ 71 72 #define EM_SPARC32PLUS 18 /* Sun's "v8plus" */ 73 74 #define EM_PPC 20 /* PowerPC */ 75 #define EM_PPC64 21 /* PowerPC64 */ 76 77 #define EM_SH 42 /* SuperH */ 78 79 #define EM_SPARCV9 43 /* SPARC v9 64-bit */ 80 81 #define EM_IA_64 50 /* HP/Intel IA-64 */ 82 83 #define EM_X86_64 62 /* AMD x86-64 */ 84 85 #define EM_S390 22 /* IBM S/390 */ 86 87 #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */ 88 89 /* 90 * This is an interim value that we will use until the committee comes 91 * up with a final number. 92 */ 93 #define EM_ALPHA 0x9026 94 95 /* 96 * This is the old interim value for S/390 architecture 97 */ 98 #define EM_S390_OLD 0xA390 99 100 /* This is the info that is needed to parse the dynamic section of the file */ 101 #define DT_NULL 0 102 #define DT_NEEDED 1 103 #define DT_PLTRELSZ 2 104 #define DT_PLTGOT 3 105 #define DT_HASH 4 106 #define DT_STRTAB 5 107 #define DT_SYMTAB 6 108 #define DT_RELA 7 109 #define DT_RELASZ 8 110 #define DT_RELAENT 9 111 #define DT_STRSZ 10 112 #define DT_SYMENT 11 113 #define DT_INIT 12 114 #define DT_FINI 13 115 #define DT_SONAME 14 116 #define DT_RPATH 15 117 #define DT_SYMBOLIC 16 118 #define DT_REL 17 119 #define DT_RELSZ 18 120 #define DT_RELENT 19 121 #define DT_PLTREL 20 122 #define DT_DEBUG 21 123 #define DT_TEXTREL 22 124 #define DT_JMPREL 23 125 #define DT_LOPROC 0x70000000 126 #define DT_HIPROC 0x7fffffff 127 #define DT_MIPS_RLD_VERSION 0x70000001 128 #define DT_MIPS_TIME_STAMP 0x70000002 129 #define DT_MIPS_ICHECKSUM 0x70000003 130 #define DT_MIPS_IVERSION 0x70000004 131 #define DT_MIPS_FLAGS 0x70000005 132 #define RHF_NONE 0 133 #define RHF_HARDWAY 1 134 #define RHF_NOTPOT 2 135 #define DT_MIPS_BASE_ADDRESS 0x70000006 136 #define DT_MIPS_CONFLICT 0x70000008 137 #define DT_MIPS_LIBLIST 0x70000009 138 #define DT_MIPS_LOCAL_GOTNO 0x7000000a 139 #define DT_MIPS_CONFLICTNO 0x7000000b 140 #define DT_MIPS_LIBLISTNO 0x70000010 141 #define DT_MIPS_SYMTABNO 0x70000011 142 #define DT_MIPS_UNREFEXTNO 0x70000012 143 #define DT_MIPS_GOTSYM 0x70000013 144 #define DT_MIPS_HIPAGENO 0x70000014 145 #define DT_MIPS_RLD_MAP 0x70000016 146 147 /* This info is needed when parsing the symbol table */ 148 #define STB_LOCAL 0 149 #define STB_GLOBAL 1 150 #define STB_WEAK 2 151 152 #define STT_NOTYPE 0 153 #define STT_OBJECT 1 154 #define STT_FUNC 2 155 #define STT_SECTION 3 156 #define STT_FILE 4 157 158 #define ELF32_ST_BIND(x) ((x) >> 4) 159 #define ELF32_ST_TYPE(x) (((unsigned int) x) & 0xf) 160 161 /* Symbolic values for the entries in the auxiliary table 162 put on the initial stack */ 163 #define AT_NULL 0 /* end of vector */ 164 #define AT_IGNORE 1 /* entry should be ignored */ 165 #define AT_EXECFD 2 /* file descriptor of program */ 166 #define AT_PHDR 3 /* program headers for program */ 167 #define AT_PHENT 4 /* size of program header entry */ 168 #define AT_PHNUM 5 /* number of program headers */ 169 #define AT_PAGESZ 6 /* system page size */ 170 #define AT_BASE 7 /* base address of interpreter */ 171 #define AT_FLAGS 8 /* flags */ 172 #define AT_ENTRY 9 /* entry point of program */ 173 #define AT_NOTELF 10 /* program is not ELF */ 174 #define AT_UID 11 /* real uid */ 175 #define AT_EUID 12 /* effective uid */ 176 #define AT_GID 13 /* real gid */ 177 #define AT_EGID 14 /* effective gid */ 178 #define AT_PLATFORM 15 /* string identifying CPU for optimizations */ 179 #define AT_HWCAP 16 /* arch dependent hints at CPU capabilities */ 180 #define AT_CLKTCK 17 /* frequency at which times() increments */ 181 182 typedef struct dynamic{ 183 Elf32_Sword d_tag; 184 union{ 185 Elf32_Sword d_val; 186 Elf32_Addr d_ptr; 187 } d_un; 188 } Elf32_Dyn; 189 190 typedef struct { 191 Elf64_Sxword d_tag; /* entry tag value */ 192 union { 193 Elf64_Xword d_val; 194 Elf64_Addr d_ptr; 195 } d_un; 196 } Elf64_Dyn; 197 198 /* The following are used with relocations */ 199 #define ELF32_R_SYM(x) ((x) >> 8) 200 #define ELF32_R_TYPE(x) ((x) & 0xff) 201 202 #define R_386_NONE 0 203 #define R_386_32 1 204 #define R_386_PC32 2 205 #define R_386_GOT32 3 206 #define R_386_PLT32 4 207 #define R_386_COPY 5 208 #define R_386_GLOB_DAT 6 209 #define R_386_JMP_SLOT 7 210 #define R_386_RELATIVE 8 211 #define R_386_GOTOFF 9 212 #define R_386_GOTPC 10 213 #define R_386_NUM 11 214 215 #define R_MIPS_NONE 0 216 #define R_MIPS_16 1 217 #define R_MIPS_32 2 218 #define R_MIPS_REL32 3 219 #define R_MIPS_26 4 220 #define R_MIPS_HI16 5 221 #define R_MIPS_LO16 6 222 #define R_MIPS_GPREL16 7 223 #define R_MIPS_LITERAL 8 224 #define R_MIPS_GOT16 9 225 #define R_MIPS_PC16 10 226 #define R_MIPS_CALL16 11 227 #define R_MIPS_GPREL32 12 228 /* The remaining relocs are defined on Irix, although they are not 229 in the MIPS ELF ABI. */ 230 #define R_MIPS_UNUSED1 13 231 #define R_MIPS_UNUSED2 14 232 #define R_MIPS_UNUSED3 15 233 #define R_MIPS_SHIFT5 16 234 #define R_MIPS_SHIFT6 17 235 #define R_MIPS_64 18 236 #define R_MIPS_GOT_DISP 19 237 #define R_MIPS_GOT_PAGE 20 238 #define R_MIPS_GOT_OFST 21 239 /* 240 * The following two relocation types are specified in the MIPS ABI 241 * conformance guide version 1.2 but not yet in the psABI. 242 */ 243 #define R_MIPS_GOTHI16 22 244 #define R_MIPS_GOTLO16 23 245 #define R_MIPS_SUB 24 246 #define R_MIPS_INSERT_A 25 247 #define R_MIPS_INSERT_B 26 248 #define R_MIPS_DELETE 27 249 #define R_MIPS_HIGHER 28 250 #define R_MIPS_HIGHEST 29 251 /* 252 * The following two relocation types are specified in the MIPS ABI 253 * conformance guide version 1.2 but not yet in the psABI. 254 */ 255 #define R_MIPS_CALLHI16 30 256 #define R_MIPS_CALLLO16 31 257 /* 258 * This range is reserved for vendor specific relocations. 259 */ 260 #define R_MIPS_LOVENDOR 100 261 #define R_MIPS_HIVENDOR 127 262 263 264 /* 265 * Sparc ELF relocation types 266 */ 267 #define R_SPARC_NONE 0 268 #define R_SPARC_8 1 269 #define R_SPARC_16 2 270 #define R_SPARC_32 3 271 #define R_SPARC_DISP8 4 272 #define R_SPARC_DISP16 5 273 #define R_SPARC_DISP32 6 274 #define R_SPARC_WDISP30 7 275 #define R_SPARC_WDISP22 8 276 #define R_SPARC_HI22 9 277 #define R_SPARC_22 10 278 #define R_SPARC_13 11 279 #define R_SPARC_LO10 12 280 #define R_SPARC_GOT10 13 281 #define R_SPARC_GOT13 14 282 #define R_SPARC_GOT22 15 283 #define R_SPARC_PC10 16 284 #define R_SPARC_PC22 17 285 #define R_SPARC_WPLT30 18 286 #define R_SPARC_COPY 19 287 #define R_SPARC_GLOB_DAT 20 288 #define R_SPARC_JMP_SLOT 21 289 #define R_SPARC_RELATIVE 22 290 #define R_SPARC_UA32 23 291 #define R_SPARC_PLT32 24 292 #define R_SPARC_HIPLT22 25 293 #define R_SPARC_LOPLT10 26 294 #define R_SPARC_PCPLT32 27 295 #define R_SPARC_PCPLT22 28 296 #define R_SPARC_PCPLT10 29 297 #define R_SPARC_10 30 298 #define R_SPARC_11 31 299 #define R_SPARC_WDISP16 40 300 #define R_SPARC_WDISP19 41 301 #define R_SPARC_7 43 302 #define R_SPARC_5 44 303 #define R_SPARC_6 45 304 305 /* Bits present in AT_HWCAP, primarily for Sparc32. */ 306 307 #define HWCAP_SPARC_FLUSH 1 /* CPU supports flush instruction. */ 308 #define HWCAP_SPARC_STBAR 2 309 #define HWCAP_SPARC_SWAP 4 310 #define HWCAP_SPARC_MULDIV 8 311 #define HWCAP_SPARC_V9 16 312 #define HWCAP_SPARC_ULTRA3 32 313 314 /* 315 * 68k ELF relocation types 316 */ 317 #define R_68K_NONE 0 318 #define R_68K_32 1 319 #define R_68K_16 2 320 #define R_68K_8 3 321 #define R_68K_PC32 4 322 #define R_68K_PC16 5 323 #define R_68K_PC8 6 324 #define R_68K_GOT32 7 325 #define R_68K_GOT16 8 326 #define R_68K_GOT8 9 327 #define R_68K_GOT32O 10 328 #define R_68K_GOT16O 11 329 #define R_68K_GOT8O 12 330 #define R_68K_PLT32 13 331 #define R_68K_PLT16 14 332 #define R_68K_PLT8 15 333 #define R_68K_PLT32O 16 334 #define R_68K_PLT16O 17 335 #define R_68K_PLT8O 18 336 #define R_68K_COPY 19 337 #define R_68K_GLOB_DAT 20 338 #define R_68K_JMP_SLOT 21 339 #define R_68K_RELATIVE 22 340 341 /* 342 * Alpha ELF relocation types 343 */ 344 #define R_ALPHA_NONE 0 /* No reloc */ 345 #define R_ALPHA_REFLONG 1 /* Direct 32 bit */ 346 #define R_ALPHA_REFQUAD 2 /* Direct 64 bit */ 347 #define R_ALPHA_GPREL32 3 /* GP relative 32 bit */ 348 #define R_ALPHA_LITERAL 4 /* GP relative 16 bit w/optimization */ 349 #define R_ALPHA_LITUSE 5 /* Optimization hint for LITERAL */ 350 #define R_ALPHA_GPDISP 6 /* Add displacement to GP */ 351 #define R_ALPHA_BRADDR 7 /* PC+4 relative 23 bit shifted */ 352 #define R_ALPHA_HINT 8 /* PC+4 relative 16 bit shifted */ 353 #define R_ALPHA_SREL16 9 /* PC relative 16 bit */ 354 #define R_ALPHA_SREL32 10 /* PC relative 32 bit */ 355 #define R_ALPHA_SREL64 11 /* PC relative 64 bit */ 356 #define R_ALPHA_OP_PUSH 12 /* OP stack push */ 357 #define R_ALPHA_OP_STORE 13 /* OP stack pop and store */ 358 #define R_ALPHA_OP_PSUB 14 /* OP stack subtract */ 359 #define R_ALPHA_OP_PRSHIFT 15 /* OP stack right shift */ 360 #define R_ALPHA_GPVALUE 16 361 #define R_ALPHA_GPRELHIGH 17 362 #define R_ALPHA_GPRELLOW 18 363 #define R_ALPHA_IMMED_GP_16 19 364 #define R_ALPHA_IMMED_GP_HI32 20 365 #define R_ALPHA_IMMED_SCN_HI32 21 366 #define R_ALPHA_IMMED_BR_HI32 22 367 #define R_ALPHA_IMMED_LO32 23 368 #define R_ALPHA_COPY 24 /* Copy symbol at runtime */ 369 #define R_ALPHA_GLOB_DAT 25 /* Create GOT entry */ 370 #define R_ALPHA_JMP_SLOT 26 /* Create PLT entry */ 371 #define R_ALPHA_RELATIVE 27 /* Adjust by program base */ 372 373 /* Legal values for e_flags field of Elf64_Ehdr. */ 374 375 #define EF_ALPHA_32BIT 1 /* All addresses are below 2GB */ 376 377 378 typedef struct elf32_rel { 379 Elf32_Addr r_offset; 380 Elf32_Word r_info; 381 } Elf32_Rel; 382 383 typedef struct elf64_rel { 384 Elf64_Addr r_offset; /* Location at which to apply the action */ 385 Elf64_Xword r_info; /* index and type of relocation */ 386 } Elf64_Rel; 387 388 typedef struct elf32_rela{ 389 Elf32_Addr r_offset; 390 Elf32_Word r_info; 391 Elf32_Sword r_addend; 392 } Elf32_Rela; 393 394 typedef struct elf64_rela { 395 Elf64_Addr r_offset; /* Location at which to apply the action */ 396 Elf64_Xword r_info; /* index and type of relocation */ 397 Elf64_Sxword r_addend; /* Constant addend used to compute value */ 398 } Elf64_Rela; 399 400 typedef struct elf32_sym{ 401 Elf32_Word st_name; 402 Elf32_Addr st_value; 403 Elf32_Word st_size; 404 unsigned char st_info; 405 unsigned char st_other; 406 Elf32_Half st_shndx; 407 } Elf32_Sym; 408 409 typedef struct elf64_sym { 410 Elf64_Word st_name; /* Symbol name, index in string tbl */ 411 unsigned char st_info; /* Type and binding attributes */ 412 unsigned char st_other; /* No defined meaning, 0 */ 413 Elf64_Half st_shndx; /* Associated section index */ 414 Elf64_Addr st_value; /* Value of the symbol */ 415 Elf64_Xword st_size; /* Associated symbol size */ 416 } Elf64_Sym; 417 418 419 #define EI_NIDENT 16 420 421 typedef struct elf32_hdr{ 422 unsigned char e_ident[EI_NIDENT]; 423 Elf32_Half e_type; 424 Elf32_Half e_machine; 425 Elf32_Word e_version; 426 Elf32_Addr e_entry; /* Entry point */ 427 Elf32_Off e_phoff; 428 Elf32_Off e_shoff; 429 Elf32_Word e_flags; 430 Elf32_Half e_ehsize; 431 Elf32_Half e_phentsize; 432 Elf32_Half e_phnum; 433 Elf32_Half e_shentsize; 434 Elf32_Half e_shnum; 435 Elf32_Half e_shstrndx; 436 } Elf32_Ehdr; 437 438 typedef struct elf64_hdr { 439 unsigned char e_ident[16]; /* ELF "magic number" */ 440 Elf64_Half e_type; 441 Elf64_Half e_machine; 442 Elf64_Word e_version; 443 Elf64_Addr e_entry; /* Entry point virtual address */ 444 Elf64_Off e_phoff; /* Program header table file offset */ 445 Elf64_Off e_shoff; /* Section header table file offset */ 446 Elf64_Word e_flags; 447 Elf64_Half e_ehsize; 448 Elf64_Half e_phentsize; 449 Elf64_Half e_phnum; 450 Elf64_Half e_shentsize; 451 Elf64_Half e_shnum; 452 Elf64_Half e_shstrndx; 453 } Elf64_Ehdr; 454 455 /* These constants define the permissions on sections in the program 456 header, p_flags. */ 457 #define PF_R 0x4 458 #define PF_W 0x2 459 #define PF_X 0x1 460 461 typedef struct elf32_phdr{ 462 Elf32_Word p_type; 463 Elf32_Off p_offset; 464 Elf32_Addr p_vaddr; 465 Elf32_Addr p_paddr; 466 Elf32_Word p_filesz; 467 Elf32_Word p_memsz; 468 Elf32_Word p_flags; 469 Elf32_Word p_align; 470 } Elf32_Phdr; 471 472 typedef struct elf64_phdr { 473 Elf64_Word p_type; 474 Elf64_Word p_flags; 475 Elf64_Off p_offset; /* Segment file offset */ 476 Elf64_Addr p_vaddr; /* Segment virtual address */ 477 Elf64_Addr p_paddr; /* Segment physical address */ 478 Elf64_Xword p_filesz; /* Segment size in file */ 479 Elf64_Xword p_memsz; /* Segment size in memory */ 480 Elf64_Xword p_align; /* Segment alignment, file & memory */ 481 } Elf64_Phdr; 482 483 /* sh_type */ 484 #define SHT_NULL 0 485 #define SHT_PROGBITS 1 486 #define SHT_SYMTAB 2 487 #define SHT_STRTAB 3 488 #define SHT_RELA 4 489 #define SHT_HASH 5 490 #define SHT_DYNAMIC 6 491 #define SHT_NOTE 7 492 #define SHT_NOBITS 8 493 #define SHT_REL 9 494 #define SHT_SHLIB 10 495 #define SHT_DYNSYM 11 496 #define SHT_NUM 12 497 #define SHT_LOPROC 0x70000000 498 #define SHT_HIPROC 0x7fffffff 499 #define SHT_LOUSER 0x80000000 500 #define SHT_HIUSER 0xffffffff 501 #define SHT_MIPS_LIST 0x70000000 502 #define SHT_MIPS_CONFLICT 0x70000002 503 #define SHT_MIPS_GPTAB 0x70000003 504 #define SHT_MIPS_UCODE 0x70000004 505 506 /* sh_flags */ 507 #define SHF_WRITE 0x1 508 #define SHF_ALLOC 0x2 509 #define SHF_EXECINSTR 0x4 510 #define SHF_MASKPROC 0xf0000000 511 #define SHF_MIPS_GPREL 0x10000000 512 513 /* special section indexes */ 514 #define SHN_UNDEF 0 515 #define SHN_LORESERVE 0xff00 516 #define SHN_LOPROC 0xff00 517 #define SHN_HIPROC 0xff1f 518 #define SHN_ABS 0xfff1 519 #define SHN_COMMON 0xfff2 520 #define SHN_HIRESERVE 0xffff 521 #define SHN_MIPS_ACCOMON 0xff00 522 523 typedef struct { 524 Elf32_Word sh_name; 525 Elf32_Word sh_type; 526 Elf32_Word sh_flags; 527 Elf32_Addr sh_addr; 528 Elf32_Off sh_offset; 529 Elf32_Word sh_size; 530 Elf32_Word sh_link; 531 Elf32_Word sh_info; 532 Elf32_Word sh_addralign; 533 Elf32_Word sh_entsize; 534 } Elf32_Shdr; 535 536 typedef struct elf64_shdr { 537 Elf64_Word sh_name; /* Section name, index in string tbl */ 538 Elf64_Word sh_type; /* Type of section */ 539 Elf64_Xword sh_flags; /* Miscellaneous section attributes */ 540 Elf64_Addr sh_addr; /* Section virtual addr at execution */ 541 Elf64_Off sh_offset; /* Section file offset */ 542 Elf64_Xword sh_size; /* Size of section in bytes */ 543 Elf64_Word sh_link; /* Index of another section */ 544 Elf64_Word sh_info; /* Additional section information */ 545 Elf64_Xword sh_addralign; /* Section alignment */ 546 Elf64_Xword sh_entsize; /* Entry size if section holds table */ 547 } Elf64_Shdr; 548 549 #define EI_MAG0 0 /* e_ident[] indexes */ 550 #define EI_MAG1 1 551 #define EI_MAG2 2 552 #define EI_MAG3 3 553 #define EI_CLASS 4 554 #define EI_DATA 5 555 #define EI_VERSION 6 556 #define EI_PAD 7 557 558 #define ELFMAG0 0x7f /* EI_MAG */ 559 #define ELFMAG1 'E' 560 #define ELFMAG2 'L' 561 #define ELFMAG3 'F' 562 #define ELFMAG "\177ELF" 563 #define SELFMAG 4 564 565 #define ELFCLASSNONE 0 /* EI_CLASS */ 566 #define ELFCLASS32 1 567 #define ELFCLASS64 2 568 #define ELFCLASSNUM 3 569 570 #define ELFDATANONE 0 /* e_ident[EI_DATA] */ 571 #define ELFDATA2LSB 1 572 #define ELFDATA2MSB 2 573 574 #define EV_NONE 0 /* e_version, EI_VERSION */ 575 #define EV_CURRENT 1 576 #define EV_NUM 2 577 578 /* Notes used in ET_CORE */ 579 #define NT_PRSTATUS 1 580 #define NT_PRFPREG 2 581 #define NT_PRPSINFO 3 582 #define NT_TASKSTRUCT 4 583 #define NT_PRFPXREG 20 584 585 /* Note header in a PT_NOTE section */ 586 typedef struct elf32_note { 587 Elf32_Word n_namesz; /* Name size */ 588 Elf32_Word n_descsz; /* Content size */ 589 Elf32_Word n_type; /* Content type */ 590 } Elf32_Nhdr; 591 592 /* Note header in a PT_NOTE section */ 593 typedef struct elf64_note { 594 Elf64_Word n_namesz; /* Name size */ 595 Elf64_Word n_descsz; /* Content size */ 596 Elf64_Word n_type; /* Content type */ 597 } Elf64_Nhdr; 598 599 #if ELF_CLASS == ELFCLASS32 600 601 extern Elf32_Dyn _DYNAMIC []; 602 #define elfhdr elf32_hdr 603 #define elf_phdr elf32_phdr 604 #define elf_note elf32_note 605 606 #else 607 608 extern Elf64_Dyn _DYNAMIC []; 609 #define elfhdr elf64_hdr 610 #define elf_phdr elf64_phdr 611 #define elf_note elf64_note 612 613 #endif 614 615 616 #endif /* _LINUX_ELF_H */ 617