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 29 #ifndef _ELF_H 30 #define _ELF_H 31 32 #include <sys/cdefs.h> 33 34 #include <bits/auxvec.h> 35 #include <bits/elf_arm.h> 36 #include <bits/elf_arm64.h> 37 #include <bits/elf_mips.h> 38 #include <bits/elf_x86.h> 39 #include <bits/elf_x86_64.h> 40 #include <linux/elf.h> 41 #include <linux/elf-em.h> 42 43 /* http://www.sco.com/developers/gabi/latest/ch4.intro.html */ 44 typedef __u64 Elf32_Xword; 45 typedef __s64 Elf32_Sxword; 46 47 typedef struct { 48 __u32 a_type; 49 union { 50 __u32 a_val; 51 } a_un; 52 } Elf32_auxv_t; 53 54 typedef struct { 55 __u64 a_type; 56 union { 57 __u64 a_val; 58 } a_un; 59 } Elf64_auxv_t; 60 61 /* http://www.sco.com/developers/gabi/latest/ch4.sheader.html */ 62 typedef struct { 63 Elf32_Word ch_type; 64 Elf32_Word ch_size; 65 Elf32_Word ch_addralign; 66 } Elf32_Chdr; 67 typedef struct { 68 Elf64_Word ch_type; 69 Elf64_Word ch_reserved; 70 Elf64_Xword ch_size; 71 Elf64_Xword ch_addralign; 72 } Elf64_Chdr; 73 74 typedef struct { 75 Elf32_Word l_name; 76 Elf32_Word l_time_stamp; 77 Elf32_Word l_checksum; 78 Elf32_Word l_version; 79 Elf32_Word l_flags; 80 } Elf32_Lib; 81 typedef struct { 82 Elf64_Word l_name; 83 Elf64_Word l_time_stamp; 84 Elf64_Word l_checksum; 85 Elf64_Word l_version; 86 Elf64_Word l_flags; 87 } Elf64_Lib; 88 /* ElfW(Lib)::l_flags values. */ 89 #define LL_NONE 0x0 90 #define LL_EXACT_MATCH 0x1 91 #define LL_IGNORE_INT_VER 0x2 92 #define LL_REQUIRE_MINOR 0x4 93 #define LL_EXPORTS 0x8 94 #define LL_DELAY_LOAD 0x10 95 #define LL_DELTA 0x20 96 97 typedef struct { 98 Elf32_Xword m_value; 99 Elf32_Word m_info; 100 Elf32_Word m_poffset; 101 Elf32_Half m_repeat; 102 Elf32_Half m_stride; 103 } Elf32_Move; 104 typedef struct { 105 Elf64_Xword m_value; 106 Elf64_Xword m_info; 107 Elf64_Xword m_poffset; 108 Elf64_Half m_repeat; 109 Elf64_Half m_stride; 110 } Elf64_Move; 111 112 typedef __u16 Elf32_Section; 113 typedef __u16 Elf64_Section; 114 115 typedef struct { 116 Elf32_Half si_boundto; 117 Elf32_Half si_flags; 118 } Elf32_Syminfo; 119 typedef struct { 120 Elf64_Half si_boundto; 121 Elf64_Half si_flags; 122 } Elf64_Syminfo; 123 /* ElfW(Syminfo)::si_boundto values. */ 124 #define SYMINFO_BT_SELF 0xffff 125 #define SYMINFO_BT_PARENT 0xfffe 126 /* ElfW(Syminfo)::si_flags values. */ 127 #define SYMINFO_FLG_DIRECT 0x1 128 #define SYMINFO_FLG_PASSTHRU 0x2 129 #define SYMINFO_FLG_COPY 0x4 130 #define SYMINFO_FLG_LAZYLOAD 0x8 131 132 typedef Elf32_Half Elf32_Versym; 133 typedef Elf64_Half Elf64_Versym; 134 135 typedef struct { 136 Elf32_Half vd_version; 137 Elf32_Half vd_flags; 138 Elf32_Half vd_ndx; 139 Elf32_Half vd_cnt; 140 Elf32_Word vd_hash; 141 Elf32_Word vd_aux; 142 Elf32_Word vd_next; 143 } Elf32_Verdef; 144 145 typedef struct { 146 Elf32_Word vda_name; 147 Elf32_Word vda_next; 148 } Elf32_Verdaux; 149 150 typedef struct { 151 Elf64_Half vd_version; 152 Elf64_Half vd_flags; 153 Elf64_Half vd_ndx; 154 Elf64_Half vd_cnt; 155 Elf64_Word vd_hash; 156 Elf64_Word vd_aux; 157 Elf64_Word vd_next; 158 } Elf64_Verdef; 159 160 typedef struct { 161 Elf64_Word vda_name; 162 Elf64_Word vda_next; 163 } Elf64_Verdaux; 164 165 typedef struct { 166 Elf32_Half vn_version; 167 Elf32_Half vn_cnt; 168 Elf32_Word vn_file; 169 Elf32_Word vn_aux; 170 Elf32_Word vn_next; 171 } Elf32_Verneed; 172 173 typedef struct { 174 Elf32_Word vna_hash; 175 Elf32_Half vna_flags; 176 Elf32_Half vna_other; 177 Elf32_Word vna_name; 178 Elf32_Word vna_next; 179 } Elf32_Vernaux; 180 181 typedef struct { 182 Elf64_Half vn_version; 183 Elf64_Half vn_cnt; 184 Elf64_Word vn_file; 185 Elf64_Word vn_aux; 186 Elf64_Word vn_next; 187 } Elf64_Verneed; 188 189 typedef struct { 190 Elf64_Word vna_hash; 191 Elf64_Half vna_flags; 192 Elf64_Half vna_other; 193 Elf64_Word vna_name; 194 Elf64_Word vna_next; 195 } Elf64_Vernaux; 196 197 /* Relocation table entry for relative (in section of type SHT_RELR). */ 198 typedef Elf32_Word Elf32_Relr; 199 typedef Elf64_Xword Elf64_Relr; 200 201 /* http://www.sco.com/developers/gabi/latest/ch5.dynamic.html */ 202 #define DF_ORIGIN 0x00000001 203 #define DF_SYMBOLIC 0x00000002 204 #define DF_TEXTREL 0x00000004 205 #define DF_BIND_NOW 0x00000008 206 #define DF_STATIC_TLS 0x00000010 207 208 #define DF_1_NOW 0x00000001 /* Perform complete relocation processing. */ 209 #define DF_1_GLOBAL 0x00000002 /* implies RTLD_GLOBAL */ 210 #define DF_1_GROUP 0x00000004 211 #define DF_1_NODELETE 0x00000008 /* implies RTLD_NODELETE */ 212 #define DF_1_LOADFLTR 0x00000010 213 #define DF_1_INITFIRST 0x00000020 214 #define DF_1_NOOPEN 0x00000040 /* Object can not be used with dlopen(3) */ 215 #define DF_1_ORIGIN 0x00000080 216 #define DF_1_DIRECT 0x00000100 217 #define DF_1_TRANS 0x00000200 218 #define DF_1_INTERPOSE 0x00000400 219 #define DF_1_NODEFLIB 0x00000800 220 #define DF_1_NODUMP 0x00001000 /* Object cannot be dumped with dldump(3) */ 221 #define DF_1_CONFALT 0x00002000 222 #define DF_1_ENDFILTEE 0x00004000 223 #define DF_1_DISPRELDNE 0x00008000 224 #define DF_1_DISPRELPND 0x00010000 225 #define DF_1_NODIRECT 0x00020000 226 #define DF_1_IGNMULDEF 0x00040000 /* Internal use */ 227 #define DF_1_NOKSYMS 0x00080000 /* Internal use */ 228 #define DF_1_NOHDR 0x00100000 /* Internal use */ 229 #define DF_1_EDITED 0x00200000 230 #define DF_1_NORELOC 0x00400000 /* Internal use */ 231 #define DF_1_SYMINTPOSE 0x00800000 232 #define DF_1_GLOBAUDIT 0x01000000 233 #define DF_1_SINGLETON 0x02000000 234 #define DF_1_STUB 0x04000000 235 #define DF_1_PIE 0x08000000 236 237 /* http://www.sco.com/developers/gabi/latest/ch5.dynamic.html */ 238 #define DT_BIND_NOW 24 239 #define DT_INIT_ARRAY 25 240 #define DT_FINI_ARRAY 26 241 #define DT_INIT_ARRAYSZ 27 242 #define DT_FINI_ARRAYSZ 28 243 #define DT_RUNPATH 29 244 #define DT_FLAGS 30 245 /* glibc and BSD disagree for DT_ENCODING; glibc looks wrong. */ 246 #define DT_PREINIT_ARRAY 32 247 #define DT_PREINIT_ARRAYSZ 33 248 249 /* Experimental support for SHT_RELR sections. For details, see proposal 250 at https://groups.google.com/forum/#!topic/generic-abi/bX460iggiKg */ 251 #define DT_RELR 0x6fffe000 252 #define DT_RELRSZ 0x6fffe001 253 #define DT_RELRENT 0x6fffe003 254 #define DT_RELRCOUNT 0x6fffe005 255 256 /* Android compressed rel/rela sections */ 257 #define DT_ANDROID_REL (DT_LOOS + 2) 258 #define DT_ANDROID_RELSZ (DT_LOOS + 3) 259 #define DT_ANDROID_RELA (DT_LOOS + 4) 260 #define DT_ANDROID_RELASZ (DT_LOOS + 5) 261 262 #define DT_GNU_HASH 0x6ffffef5 263 #define DT_TLSDESC_PLT 0x6ffffef6 264 #define DT_TLSDESC_GOT 0x6ffffef7 265 266 /* http://www.sco.com/developers/gabi/latest/ch4.eheader.html */ 267 #define EI_ABIVERSION 8 268 #undef EI_PAD 269 #define EI_PAD 9 270 271 /* http://www.sco.com/developers/gabi/latest/ch4.sheader.html */ 272 #define ELFCOMPRESS_ZLIB 1 273 #define ELFCOMPRESS_LOOS 0x60000000 274 #define ELFCOMPRESS_HIOS 0x6fffffff 275 #define ELFCOMPRESS_LOPROC 0x70000000 276 #define ELFCOMPRESS_HIPROC 0x7fffffff 277 278 /* http://www.sco.com/developers/gabi/latest/ch4.eheader.html */ 279 #define ELFOSABI_SYSV 0 /* Synonym for ELFOSABI_NONE used by valgrind. */ 280 #define ELFOSABI_HPUX 1 281 #define ELFOSABI_NETBSD 2 282 #define ELFOSABI_GNU 3 /* Synonym for ELFOSABI_LINUX. */ 283 #define ELFOSABI_SOLARIS 6 284 #define ELFOSABI_AIX 7 285 #define ELFOSABI_IRIX 8 286 #define ELFOSABI_FREEBSD 9 287 #define ELFOSABI_TRU64 10 288 #define ELFOSABI_MODESTO 11 289 #define ELFOSABI_OPENBSD 12 290 #define ELFOSABI_OPENVMS 13 291 #define ELFOSABI_NSK 14 292 #define ELFOSABI_AROS 15 293 #define ELFOSABI_FENIXOS 16 294 #define ELFOSABI_CLOUDABI 17 295 #define ELFOSABI_OPENVOS 18 296 #define ELFOSABI_ARM_AEABI 64 297 298 /* http://www.sco.com/developers/gabi/latest/ch4.reloc.html */ 299 #define ELF32_R_INFO(sym, type) ((((Elf32_Word)sym) << 8) | ((type) & 0xff)) 300 #define ELF64_R_INFO(sym, type) ((((Elf64_Xword)sym) << 32) | ((type) & 0xffffffff)) 301 302 /* http://www.sco.com/developers/gabi/latest/ch4.symtab.html */ 303 #undef ELF_ST_TYPE 304 #define ELF_ST_TYPE(x) ((x) & 0xf) 305 #define ELF_ST_INFO(b,t) (((b) << 4) + ((t) & 0xf)) 306 #define ELF32_ST_INFO(b,t) ELF_ST_INFO(b,t) 307 #define ELF64_ST_INFO(b,t) ELF_ST_INFO(b,t) 308 309 /* http://www.sco.com/developers/gabi/latest/ch4.eheader.html */ 310 #define EM_S370 9 311 #define EM_VPP500 17 312 #define EM_960 19 313 #define EM_V800 36 314 #define EM_FR20 37 315 #define EM_RH32 38 316 #define EM_RCE 39 317 #define EM_FAKE_ALPHA 41 318 #define EM_TRICORE 44 319 #define EM_ARC 45 320 #define EM_H8_300H 47 321 #define EM_H8S 48 322 #define EM_H8_500 49 323 #define EM_MIPS_X 51 324 #define EM_COLDFIRE 52 325 #define EM_68HC12 53 326 #define EM_MMA 54 327 #define EM_PCP 55 328 #define EM_NCPU 56 329 #define EM_NDR1 57 330 #define EM_STARCORE 58 331 #define EM_ME16 59 332 #define EM_ST100 60 333 #define EM_TINYJ 61 334 #define EM_PDSP 63 335 #define EM_PDP10 64 336 #define EM_PDP11 65 337 #define EM_FX66 66 338 #define EM_ST9PLUS 67 339 #define EM_ST7 68 340 #define EM_68HC16 69 341 #define EM_68HC11 70 342 #define EM_68HC08 71 343 #define EM_68HC05 72 344 #define EM_SVX 73 345 #define EM_ST19 74 346 #define EM_VAX 75 347 #define EM_JAVELIN 77 348 #define EM_FIREPATH 78 349 #define EM_ZSP 79 350 #define EM_MMIX 80 351 #define EM_HUANY 81 352 #define EM_PRISM 82 353 #define EM_AVR 83 354 #define EM_FR30 84 355 #define EM_D10V 85 356 #define EM_D30V 86 357 #define EM_V850 87 358 #define EM_MN10200 90 359 #define EM_PJ 91 360 #define EM_ARC_COMPACT 93 361 #define EM_XTENSA 94 362 #define EM_VIDEOCORE 95 363 #define EM_TMM_GPP 96 364 #define EM_NS32K 97 365 #define EM_TPC 98 366 #define EM_SNP1K 99 367 #define EM_ST200 100 368 #define EM_IP2K 101 369 #define EM_MAX 102 370 #define EM_CR 103 371 #define EM_F2MC16 104 372 #define EM_MSP430 105 373 #define EM_SE_C33 107 374 #define EM_SEP 108 375 #define EM_ARCA 109 376 #define EM_UNICORE 110 377 #define EM_EXCESS 111 378 #define EM_DXP 112 379 #define EM_CRX 114 380 #define EM_XGATE 115 381 #define EM_C166 116 382 #define EM_M16C 117 383 #define EM_DSPIC30F 118 384 #define EM_CE 119 385 #define EM_M32C 120 386 #define EM_TSK3000 131 387 #define EM_RS08 132 388 #define EM_SHARC 133 389 #define EM_ECOG2 134 390 #define EM_SCORE7 135 391 #define EM_DSP24 136 392 #define EM_VIDEOCORE3 137 393 #define EM_LATTICEMICO32 138 394 #define EM_SE_C17 139 395 #define EM_TI_C2000 141 396 #define EM_TI_C5500 142 397 #define EM_MMDSP_PLUS 160 398 #define EM_CYPRESS_M8C 161 399 #define EM_R32C 162 400 #define EM_TRIMEDIA 163 401 #define EM_QDSP6 164 402 #define EM_8051 165 403 #define EM_STXP7X 166 404 #define EM_NDS32 167 405 #define EM_ECOG1 168 406 #define EM_ECOG1X 168 407 #define EM_MAXQ30 169 408 #define EM_XIMO16 170 409 #define EM_MANIK 171 410 #define EM_CRAYNV2 172 411 #define EM_RX 173 412 #define EM_METAG 174 413 #define EM_MCST_ELBRUS 175 414 #define EM_ECOG16 176 415 #define EM_CR16 177 416 #define EM_ETPU 178 417 #define EM_SLE9X 179 418 #define EM_L10M 180 419 #define EM_K10M 181 420 #define EM_AVR32 185 421 #define EM_STM8 186 422 #define EM_TILE64 187 423 #define EM_CUDA 190 424 #define EM_CLOUDSHIELD 192 425 #define EM_COREA_1ST 193 426 #define EM_COREA_2ND 194 427 #define EM_ARC_COMPACT2 195 428 #define EM_OPEN8 196 429 #define EM_RL78 197 430 #define EM_VIDEOCORE5 198 431 #define EM_78KOR 199 432 #define EM_56800EX 200 433 #define EM_BA1 201 434 #define EM_BA2 202 435 #define EM_XCORE 203 436 #define EM_MCHP_PIC 204 437 #define EM_INTEL205 205 438 #define EM_INTEL206 206 439 #define EM_INTEL207 207 440 #define EM_INTEL208 208 441 #define EM_INTEL209 209 442 #define EM_KM32 210 443 #define EM_KMX32 211 444 #define EM_KMX16 212 445 #define EM_KMX8 213 446 #define EM_KVARC 214 447 #define EM_CDP 215 448 #define EM_COGE 216 449 #define EM_COOL 217 450 #define EM_NORC 218 451 #define EM_CSR_KALIMBA 219 452 #define EM_Z80 220 453 #define EM_VISIUM 221 454 #define EM_FT32 222 455 #define EM_MOXIE 223 456 #define EM_AMDGPU 224 457 #define EM_RISCV 243 458 459 /* http://www.sco.com/developers/gabi/latest/ch4.eheader.html */ 460 #define ET_LOOS 0xfe00 461 #define ET_HIOS 0xfeff 462 463 /* http://www.sco.com/developers/gabi/latest/ch4.sheader.html */ 464 #define GRP_COMDAT 0x1 465 #define GRP_MASKOS 0x0ff00000 466 #define GRP_MASKPROC 0xf0000000 467 468 /* http://www.sco.com/developers/gabi/latest/ch5.pheader.html */ 469 #define PF_X 0x1 470 #define PF_W 0x2 471 #define PF_R 0x4 472 #define PF_MASKOS 0x0ff00000 473 #define PF_MASKPROC 0xf0000000 474 475 #define PT_GNU_RELRO 0x6474e552 476 477 #define STB_LOOS 10 478 #define STB_HIOS 12 479 #define STB_LOPROC 13 480 #define STB_HIPROC 15 481 482 /* http://www.sco.com/developers/gabi/latest/ch4.sheader.html */ 483 #define SHF_MERGE 0x10 484 #define SHF_STRINGS 0x20 485 #define SHF_INFO_LINK 0x40 486 #define SHF_LINK_ORDER 0x80 487 #define SHF_OS_NONCONFORMING 0x100 488 #define SHF_GROUP 0x200 489 #define SHF_TLS 0x400 490 #define SHF_COMPRESSED 0x800 491 #define SHF_MASKOS 0x0ff00000 492 #define SHF_MASKPROC 0xf0000000 493 494 /* http://www.sco.com/developers/gabi/latest/ch4.sheader.html */ 495 #define SHN_LOOS 0xff20 496 #define SHN_HIOS 0xff3f 497 #define SHN_XINDEX 0xffff 498 499 /* http://www.sco.com/developers/gabi/latest/ch4.sheader.html */ 500 #define SHT_INIT_ARRAY 14 501 #define SHT_FINI_ARRAY 15 502 #define SHT_PREINIT_ARRAY 16 503 #define SHT_GROUP 17 504 #define SHT_SYMTAB_SHNDX 18 505 #undef SHT_NUM 506 #define SHT_NUM 19 507 #define SHT_LOOS 0x60000000 508 #define SHT_HIOS 0x6fffffff 509 510 /* Experimental support for SHT_RELR sections. For details, see proposal 511 at https://groups.google.com/forum/#!topic/generic-abi/bX460iggiKg */ 512 #define SHT_RELR 0x6fffff00 513 514 /* http://www.sco.com/developers/gabi/latest/ch4.symtab.html */ 515 #define STN_UNDEF 0 516 517 /* http://www.sco.com/developers/gabi/latest/ch4.symtab.html */ 518 #define STT_GNU_IFUNC 10 519 #define STT_LOOS 10 520 #define STT_HIOS 12 521 #define STT_LOPROC 13 522 #define STT_HIPROC 15 523 524 /* http://www.sco.com/developers/gabi/latest/ch4.symtab.html */ 525 #define STV_DEFAULT 0 526 #define STV_INTERNAL 1 527 #define STV_HIDDEN 2 528 #define STV_PROTECTED 3 529 530 /* The kernel uses NT_PRFPREG but glibc also offers NT_FPREGSET */ 531 #define NT_FPREGSET NT_PRFPREG 532 533 #define ELF_NOTE_GNU "GNU" 534 535 #define NT_GNU_BUILD_ID 3 536 537 #define VER_FLG_BASE 0x1 538 #define VER_FLG_WEAK 0x2 539 540 #define VER_NDX_LOCAL 0 541 #define VER_NDX_GLOBAL 1 542 543 #endif /* _ELF_H */ 544