1 /* 2 * Copyright 2002-2016 Haiku, Inc. All rights reserved. 3 * Distributed under the terms of the MIT License. 4 */ 5 #ifndef _ELF_H 6 #define _ELF_H 7 8 9 #include <SupportDefs.h> 10 #include <ByteOrder.h> 11 12 13 typedef uint32 Elf32_Addr; 14 typedef uint16 Elf32_Half; 15 typedef uint32 Elf32_Off; 16 typedef int32 Elf32_Sword; 17 typedef uint32 Elf32_Word; 18 19 typedef Elf32_Half Elf32_Versym; 20 21 typedef uint64 Elf64_Addr; 22 typedef uint64 Elf64_Off; 23 typedef uint16 Elf64_Half; 24 typedef uint32 Elf64_Word; 25 typedef int32 Elf64_Sword; 26 typedef uint64 Elf64_Xword; 27 typedef int64 Elf64_Sxword; 28 29 typedef Elf64_Half Elf64_Versym; 30 31 32 /*** ELF header ***/ 33 34 #define EI_NIDENT 16 35 36 typedef struct { 37 uint8 e_ident[EI_NIDENT]; 38 Elf32_Half e_type; 39 Elf32_Half e_machine; 40 Elf32_Word e_version; 41 Elf32_Addr e_entry; 42 Elf32_Off e_phoff; 43 Elf32_Off e_shoff; 44 Elf32_Word e_flags; 45 Elf32_Half e_ehsize; 46 Elf32_Half e_phentsize; 47 Elf32_Half e_phnum; 48 Elf32_Half e_shentsize; 49 Elf32_Half e_shnum; 50 Elf32_Half e_shstrndx; 51 52 #ifdef __cplusplus 53 bool IsHostEndian() const; 54 #endif 55 } Elf32_Ehdr; 56 57 typedef struct { 58 uint8 e_ident[EI_NIDENT]; 59 Elf64_Half e_type; 60 Elf64_Half e_machine; 61 Elf64_Word e_version; 62 Elf64_Addr e_entry; 63 Elf64_Off e_phoff; 64 Elf64_Off e_shoff; 65 Elf64_Word e_flags; 66 Elf64_Half e_ehsize; 67 Elf64_Half e_phentsize; 68 Elf64_Half e_phnum; 69 Elf64_Half e_shentsize; 70 Elf64_Half e_shnum; 71 Elf64_Half e_shstrndx; 72 73 #ifdef __cplusplus 74 bool IsHostEndian() const; 75 #endif 76 } Elf64_Ehdr; 77 78 #define ELFMAG "\x7f""ELF" 79 #define SELFMAG 4 80 81 /* e_ident[] indices */ 82 #define EI_MAG0 0 83 #define EI_MAG1 1 84 #define EI_MAG2 2 85 #define EI_MAG3 3 86 #define EI_CLASS 4 87 #define EI_DATA 5 88 #define EI_VERSION 6 89 #define EI_PAD 7 90 91 /* e_type (Object file type) */ 92 #define ET_NONE 0 /* No file type */ 93 #define ET_REL 1 /* Relocatable file */ 94 #define ET_EXEC 2 /* Executable file */ 95 #define ET_DYN 3 /* Shared-object file */ 96 #define ET_CORE 4 /* Core file */ 97 #define ET_LOOS 0xfe00 /* OS-specific range start */ 98 #define ET_HIOS 0xfeff /* OS-specific range end */ 99 #define ET_LOPROC 0xff00 /* Processor-specific range start */ 100 #define ET_HIPROC 0xffff /* Processor-specific range end */ 101 102 /* e_machine (Architecture) */ 103 #define EM_NONE 0 /* No machine */ 104 #define EM_M32 1 /* AT&T WE 32100 */ 105 #define EM_SPARC 2 /* Sparc */ 106 #define EM_386 3 /* Intel 80386 */ 107 #define EM_68K 4 /* Motorola m68k family */ 108 #define EM_88K 5 /* Motorola m88k family */ 109 #define EM_486 6 /* Intel 80486, Reserved for future use */ 110 #define EM_860 7 /* Intel 80860 */ 111 #define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */ 112 #define EM_S370 9 /* IBM System/370 */ 113 #define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian, Deprecated */ 114 #define EM_PARISC 15 /* HPPA */ 115 #define EM_VPP550 17 /* Fujitsu VPP500 */ 116 #define EM_SPARC32PLUS 18 /* Sun "v8plus" */ 117 #define EM_960 19 /* Intel 80960 */ 118 #define EM_PPC 20 /* PowerPC */ 119 #define EM_PPC64 21 /* 64-bit PowerPC */ 120 #define EM_S390 22 /* IBM S/390 */ 121 #define EM_V800 36 /* NEC V800 series */ 122 #define EM_FR20 37 /* Fujitsu FR20 */ 123 #define EM_RH32 38 /* TRW RH32 */ 124 #define EM_MCORE 39 /* Motorola M*Core */ 125 #define EM_RCE 39 /* Old name for MCore */ 126 #define EM_ARM 40 /* ARM */ 127 #define EM_OLD_ALPHA 41 /* Digital Alpha */ 128 #define EM_SH 42 /* Renesas / SuperH SH */ 129 #define EM_SPARCV9 43 /* SPARC v9 64-bit */ 130 #define EM_TRICORE 44 /* Siemens Tricore embedded processor */ 131 #define EM_ARC 45 /* ARC Cores */ 132 #define EM_H8_300 46 /* Renesas H8/300 */ 133 #define EM_H8_300H 47 /* Renesas H8/300H */ 134 #define EM_H8S 48 /* Renesas H8S */ 135 #define EM_H8_500 49 /* Renesas H8/500 */ 136 #define EM_IA_64 50 /* Intel IA-64 Processor */ 137 #define EM_MIPS_X 51 /* Stanford MIPS-X */ 138 #define EM_COLDFIRE 52 /* Motorola Coldfire */ 139 #define EM_68HC12 53 /* Motorola M68HC12 */ 140 #define EM_MMA 54 /* Fujitsu Multimedia Accelerator */ 141 #define EM_PCP 55 /* Siemens PCP */ 142 #define EM_NCPU 56 /* Sony nCPU embedded RISC processor */ 143 #define EM_NDR1 57 /* Denso NDR1 microprocesspr */ 144 #define EM_STARCORE 58 /* Motorola Star*Core processor */ 145 #define EM_ME16 59 /* Toyota ME16 processor */ 146 #define EM_ST100 60 /* STMicroelectronics ST100 processor */ 147 #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded processor */ 148 #define EM_X86_64 62 /* Advanced Micro Devices X86-64 processor */ 149 150 /* architecture class (EI_CLASS) */ 151 #define ELFCLASSNONE 0 152 #define ELFCLASS32 1 153 #define ELFCLASS64 2 154 155 /* endian (EI_DATA) */ 156 #define ELFDATANONE 0 /* invalid */ 157 #define ELFDATA2LSB 1 /* little endian */ 158 #define ELFDATA2MSB 2 /* big endian */ 159 160 /* ELF version (EI_VERSION) */ 161 #define EV_NONE 0 /* invalid */ 162 #define EV_CURRENT 1 /* current version */ 163 164 /*** section header ***/ 165 166 typedef struct { 167 Elf32_Word sh_name; 168 Elf32_Word sh_type; 169 Elf32_Word sh_flags; 170 Elf32_Addr sh_addr; 171 Elf32_Off sh_offset; 172 Elf32_Word sh_size; 173 Elf32_Word sh_link; 174 Elf32_Word sh_info; 175 Elf32_Word sh_addralign; 176 Elf32_Word sh_entsize; 177 } Elf32_Shdr; 178 179 typedef struct { 180 Elf64_Word sh_name; 181 Elf64_Word sh_type; 182 Elf64_Xword sh_flags; 183 Elf64_Addr sh_addr; 184 Elf64_Off sh_offset; 185 Elf64_Xword sh_size; 186 Elf64_Word sh_link; 187 Elf64_Word sh_info; 188 Elf64_Xword sh_addralign; 189 Elf64_Xword sh_entsize; 190 } Elf64_Shdr; 191 192 /* special section indices */ 193 #define SHN_UNDEF 0 194 #define SHN_LORESERVE 0xff00 195 #define SHN_LOPROC 0xff00 196 #define SHN_HIPROC 0xff1f 197 #define SHN_ABS 0xfff1 198 #define SHN_COMMON 0xfff2 199 #define SHN_HIRESERVE 0xffff 200 201 /* section header type */ 202 #define SHT_NULL 0 203 #define SHT_PROGBITS 1 204 #define SHT_SYMTAB 2 205 #define SHT_STRTAB 3 206 #define SHT_RELA 4 207 #define SHT_HASH 5 208 #define SHT_DYNAMIC 6 209 #define SHT_NOTE 7 210 #define SHT_NOBITS 8 211 #define SHT_REL 9 212 #define SHT_SHLIB 10 213 #define SHT_DYNSYM 11 214 215 #define SHT_GNU_verdef 0x6ffffffd /* version definition section */ 216 #define SHT_GNU_verneed 0x6ffffffe /* version needs section */ 217 #define SHT_GNU_versym 0x6fffffff /* version symbol table */ 218 219 #define SHT_LOPROC 0x70000000 220 #define SHT_HIPROC 0x7fffffff 221 #define SHT_LOUSER 0x80000000 222 #define SHT_HIUSER 0xffffffff 223 224 /* section header flags */ 225 #define SHF_WRITE 1 226 #define SHF_ALLOC 2 227 #define SHF_EXECINSTR 4 228 229 #define SHF_MASKPROC 0xf0000000 230 231 232 /*** program header ***/ 233 234 typedef struct { 235 Elf32_Word p_type; 236 Elf32_Off p_offset; /* offset from the beginning of the file of the segment */ 237 Elf32_Addr p_vaddr; /* virtual address for the segment in memory */ 238 Elf32_Addr p_paddr; 239 Elf32_Word p_filesz; /* the size of the segment in the file */ 240 Elf32_Word p_memsz; /* the size of the segment in memory */ 241 Elf32_Word p_flags; 242 Elf32_Word p_align; 243 244 #ifdef __cplusplus 245 bool IsReadWrite() const; 246 bool IsExecutable() const; 247 #endif 248 } Elf32_Phdr; 249 250 typedef struct { 251 Elf64_Word p_type; 252 Elf64_Word p_flags; 253 Elf64_Off p_offset; /* offset from the beginning of the file of the segment */ 254 Elf64_Addr p_vaddr; /* virtual address for the segment in memory */ 255 Elf64_Addr p_paddr; 256 Elf64_Xword p_filesz; /* the size of the segment in the file */ 257 Elf64_Xword p_memsz; /* the size of the segment in memory */ 258 Elf64_Xword p_align; 259 260 #ifdef __cplusplus 261 bool IsReadWrite() const; 262 bool IsExecutable() const; 263 #endif 264 } Elf64_Phdr; 265 266 /* program header segment types */ 267 #define PT_NULL 0 268 #define PT_LOAD 1 269 #define PT_DYNAMIC 2 270 #define PT_INTERP 3 271 #define PT_NOTE 4 272 #define PT_SHLIB 5 273 #define PT_PHDR 6 274 #define PT_TLS 7 275 #define PT_STACK 0x6474e551 276 #define PT_RELRO 0x6474e552 277 278 #define PT_LOPROC 0x70000000 279 #define PT_ARM_UNWIND 0x70000001 280 #define PT_HIPROC 0x7fffffff 281 282 /* program header segment flags */ 283 #define PF_EXECUTE 0x1 284 #define PF_WRITE 0x2 285 #define PF_READ 0x4 286 #define PF_PROTECTION_MASK (PF_EXECUTE | PF_WRITE | PF_READ) 287 288 #define PF_MASKPROC 0xf0000000 289 290 291 /* symbol table entry */ 292 293 typedef struct { 294 Elf32_Word st_name; 295 Elf32_Addr st_value; 296 Elf32_Word st_size; 297 uint8 st_info; 298 uint8 st_other; 299 Elf32_Half st_shndx; 300 301 #ifdef __cplusplus 302 uint8 Bind() const; 303 uint8 Type() const; 304 void SetInfo(uint8 bind, uint8 type); 305 #endif 306 } Elf32_Sym; 307 308 typedef struct { 309 Elf64_Word st_name; 310 uint8 st_info; 311 uint8 st_other; 312 Elf64_Half st_shndx; 313 Elf64_Addr st_value; 314 Elf64_Xword st_size; 315 316 #ifdef __cplusplus 317 uint8 Bind() const; 318 uint8 Type() const; 319 void SetInfo(uint8 bind, uint8 type); 320 #endif 321 } Elf64_Sym; 322 323 #define ELF32_ST_BIND(i) ((i) >> 4) 324 #define ELF32_ST_TYPE(i) ((i) & 0xf) 325 #define ELF32_ST_INFO(b, t) (((b) << 4) + ((t) & 0xf)) 326 327 #define ELF64_ST_BIND(i) ((i) >> 4) 328 #define ELF64_ST_TYPE(i) ((i) & 0xf) 329 #define ELF64_ST_INFO(b, t) (((b) << 4) + ((t) & 0xf)) 330 331 /* symbol types */ 332 #define STT_NOTYPE 0 333 #define STT_OBJECT 1 334 #define STT_FUNC 2 335 #define STT_SECTION 3 336 #define STT_FILE 4 337 #define STT_TLS 6 338 #define STT_LOPROC 13 339 #define STT_HIPROC 15 340 341 /* symbol binding */ 342 #define STB_LOCAL 0 343 #define STB_GLOBAL 1 344 #define STB_WEAK 2 345 #define STB_LOPROC 13 346 #define STB_HIPROC 15 347 348 /* special symbol indices */ 349 #define STN_UNDEF 0 350 351 352 /* relocation table entry */ 353 354 typedef struct { 355 Elf32_Addr r_offset; 356 Elf32_Word r_info; 357 358 #ifdef __cplusplus 359 uint8 SymbolIndex() const; 360 uint8 Type() const; 361 #endif 362 } Elf32_Rel; 363 364 typedef struct { 365 Elf64_Addr r_offset; 366 Elf64_Xword r_info; 367 368 #ifdef __cplusplus 369 uint8 SymbolIndex() const; 370 uint8 Type() const; 371 #endif 372 } Elf64_Rel; 373 374 #ifdef __cplusplus 375 typedef struct Elf32_Rela : public Elf32_Rel { 376 #else 377 typedef struct { 378 Elf32_Addr r_offset; 379 Elf32_Word r_info; 380 #endif 381 Elf32_Sword r_addend; 382 } Elf32_Rela; 383 384 #ifdef __cplusplus 385 typedef struct Elf64_Rela : public Elf64_Rel { 386 #else 387 typedef struct { 388 Elf64_Addr r_offset; 389 Elf64_Xword r_info; 390 #endif 391 Elf64_Sxword r_addend; 392 } Elf64_Rela; 393 394 #define ELF32_R_SYM(i) ((i) >> 8) 395 #define ELF32_R_TYPE(i) ((unsigned char)(i)) 396 #define ELF32_R_INFO(s, t) (((s) << 8) + (unsigned char)(t)) 397 398 #define ELF64_R_SYM(i) ((i) >> 32) 399 #define ELF64_R_TYPE(i) ((i) & 0xffffffffL) 400 #define ELF64_R_INFO(s, t) ((((Elf64_Xword)(s)) << 32) + ((t) & 0xffffffffL)) 401 402 403 /* dynamic section entry */ 404 405 typedef struct { 406 Elf32_Sword d_tag; 407 union { 408 Elf32_Word d_val; 409 Elf32_Addr d_ptr; 410 } d_un; 411 } Elf32_Dyn; 412 413 typedef struct { 414 Elf64_Sxword d_tag; 415 union { 416 Elf64_Xword d_val; 417 Elf64_Addr d_ptr; 418 } d_un; 419 } Elf64_Dyn; 420 421 /* dynamic entry type */ 422 #define DT_NULL 0 423 #define DT_NEEDED 1 424 #define DT_PLTRELSZ 2 425 #define DT_PLTGOT 3 426 #define DT_HASH 4 427 #define DT_STRTAB 5 428 #define DT_SYMTAB 6 429 #define DT_RELA 7 430 #define DT_RELASZ 8 431 #define DT_RELAENT 9 432 #define DT_STRSZ 10 433 #define DT_SYMENT 11 434 #define DT_INIT 12 435 #define DT_FINI 13 436 #define DT_SONAME 14 437 #define DT_RPATH 15 438 #define DT_SYMBOLIC 16 439 #define DT_REL 17 440 #define DT_RELSZ 18 441 #define DT_RELENT 19 442 #define DT_PLTREL 20 443 #define DT_DEBUG 21 444 #define DT_TEXTREL 22 445 #define DT_JMPREL 23 446 #define DT_BIND_NOW 24 /* no lazy binding */ 447 #define DT_INIT_ARRAY 25 /* init function array */ 448 #define DT_FINI_ARRAY 26 /* termination function array */ 449 #define DT_INIT_ARRAYSZ 27 /* init function array size */ 450 #define DT_FINI_ARRAYSZ 28 /* termination function array size */ 451 #define DT_RUNPATH 29 /* library search path (supersedes DT_RPATH) */ 452 #define DT_FLAGS 30 /* flags (see below) */ 453 #define DT_ENCODING 32 454 #define DT_PREINIT_ARRAY 32 /* preinitialization array */ 455 #define DT_PREINIT_ARRAYSZ 33 /* preinitialization array size */ 456 457 #define DT_VERSYM 0x6ffffff0 /* symbol version table */ 458 #define DT_VERDEF 0x6ffffffc /* version definition table */ 459 #define DT_VERDEFNUM 0x6ffffffd /* number of version definitions */ 460 #define DT_VERNEED 0x6ffffffe /* table with needed versions */ 461 #define DT_VERNEEDNUM 0x6fffffff /* number of needed versions */ 462 463 #define DT_LOPROC 0x70000000 464 #define DT_HIPROC 0x7fffffff 465 466 /* DT_FLAGS values */ 467 #define DF_ORIGIN 0x01 468 #define DF_SYMBOLIC 0x02 469 #define DF_TEXTREL 0x04 470 #define DF_BIND_NOW 0x08 471 #define DF_STATIC_TLS 0x10 472 473 474 /* version definition section */ 475 476 typedef struct { 477 Elf32_Half vd_version; /* version revision */ 478 Elf32_Half vd_flags; /* version information flags */ 479 Elf32_Half vd_ndx; /* version index as specified in the 480 symbol version table */ 481 Elf32_Half vd_cnt; /* number of associated verdaux entries */ 482 Elf32_Word vd_hash; /* version name hash value */ 483 Elf32_Word vd_aux; /* byte offset to verdaux array */ 484 Elf32_Word vd_next; /* byte offset to next verdef entry */ 485 } Elf32_Verdef; 486 487 typedef struct { 488 Elf64_Half vd_version; /* version revision */ 489 Elf64_Half vd_flags; /* version information flags */ 490 Elf64_Half vd_ndx; /* version index as specified in the 491 symbol version table */ 492 Elf64_Half vd_cnt; /* number of associated verdaux entries */ 493 Elf64_Word vd_hash; /* version name hash value */ 494 Elf64_Word vd_aux; /* byte offset to verdaux array */ 495 Elf64_Word vd_next; /* byte offset to next verdef entry */ 496 } Elf64_Verdef; 497 498 /* values for vd_version (version revision) */ 499 #define VER_DEF_NONE 0 /* no version */ 500 #define VER_DEF_CURRENT 1 /* current version */ 501 #define VER_DEF_NUM 2 /* given version number */ 502 503 /* values for vd_flags (version information flags) */ 504 #define VER_FLG_BASE 0x1 /* version definition of file itself */ 505 #define VER_FLG_WEAK 0x2 /* weak version identifier */ 506 507 /* values for versym symbol index */ 508 #define VER_NDX_LOCAL 0 /* symbol is local */ 509 #define VER_NDX_GLOBAL 1 /* symbol is global/unversioned */ 510 #define VER_NDX_INITIAL 2 /* initial version -- that's the one given 511 to symbols when a library becomes 512 versioned; handled by the linker (and 513 runtime loader) similar to 514 VER_NDX_GLOBAL */ 515 #define VER_NDX_LORESERVE 0xff00 /* beginning of reserved entries */ 516 #define VER_NDX_ELIMINATE 0xff01 /* symbol is to be eliminated */ 517 518 #define VER_NDX_FLAG_HIDDEN 0x8000 /* flag: version is hidden */ 519 #define VER_NDX_MASK 0x7fff /* mask to get the actual version index */ 520 #define VER_NDX(x) ((x) & VER_NDX_MASK) 521 522 523 /* auxiliary version information */ 524 525 typedef struct { 526 Elf32_Word vda_name; /* string table offset to version or dependency 527 name */ 528 Elf32_Word vda_next; /* byte offset to next verdaux entry */ 529 } Elf32_Verdaux; 530 531 typedef struct { 532 Elf64_Word vda_name; /* string table offset to version or dependency 533 name */ 534 Elf64_Word vda_next; /* byte offset to next verdaux entry */ 535 } Elf64_Verdaux; 536 537 538 /* version dependency section */ 539 540 typedef struct { 541 Elf32_Half vn_version; /* version of structure */ 542 Elf32_Half vn_cnt; /* number of associated vernaux entries */ 543 Elf32_Word vn_file; /* byte offset to file name for this 544 dependency */ 545 Elf32_Word vn_aux; /* byte offset to vernaux array */ 546 Elf32_Word vn_next; /* byte offset to next verneed entry */ 547 } Elf32_Verneed; 548 549 typedef struct { 550 Elf64_Half vn_version; /* version of structure */ 551 Elf64_Half vn_cnt; /* number of associated vernaux entries */ 552 Elf64_Word vn_file; /* byte offset to file name for this 553 dependency */ 554 Elf64_Word vn_aux; /* byte offset to vernaux array */ 555 Elf64_Word vn_next; /* byte offset to next verneed entry */ 556 } Elf64_Verneed; 557 558 /* values for vn_version (version revision) */ 559 #define VER_NEED_NONE 0 /* no version */ 560 #define VER_NEED_CURRENT 1 /* current version */ 561 #define VER_NEED_NUM 2 /* given version number */ 562 563 564 /* auxiliary needed version information */ 565 566 typedef struct { 567 Elf32_Word vna_hash; /* dependency name hash value */ 568 Elf32_Half vna_flags; /* dependency specific information flags */ 569 Elf32_Half vna_other; /* version index as specified in the symbol 570 version table */ 571 Elf32_Word vna_name; /* string table offset to dependency name */ 572 Elf32_Word vna_next; /* byte offset to next vernaux entry */ 573 } Elf32_Vernaux; 574 575 typedef struct { 576 Elf64_Word vna_hash; /* dependency name hash value */ 577 Elf64_Half vna_flags; /* dependency specific information flags */ 578 Elf64_Half vna_other; /* version index as specified in the symbol 579 version table */ 580 Elf64_Word vna_name; /* string table offset to dependency name */ 581 Elf64_Word vna_next; /* byte offset to next vernaux entry */ 582 } Elf64_Vernaux; 583 584 /* values for vna_flags */ 585 #define VER_FLG_WEAK 0x2 /* weak version identifier */ 586 587 588 /*** core files ***/ 589 590 /* note section header */ 591 592 typedef struct { 593 Elf32_Word n_namesz; /* length of the note's name */ 594 Elf32_Word n_descsz; /* length of the note's descriptor */ 595 Elf32_Word n_type; /* note type */ 596 } Elf32_Nhdr; 597 598 typedef struct { 599 Elf64_Word n_namesz; /* length of the note's name */ 600 Elf64_Word n_descsz; /* length of the note's descriptor */ 601 Elf64_Word n_type; /* note type */ 602 } Elf64_Nhdr; 603 604 /* values for note name */ 605 #define ELF_NOTE_CORE "CORE" 606 #define ELF_NOTE_HAIKU "Haiku" 607 608 /* values for note type (n_type) */ 609 /* ELF_NOTE_CORE/... */ 610 #define NT_FILE 0x46494c45 /* mapped files */ 611 612 /* ELF_NOTE_HAIKU/... */ 613 #define NT_TEAM 0x7465616d /* team */ 614 #define NT_AREAS 0x61726561 /* areas */ 615 #define NT_IMAGES 0x696d6167 /* images */ 616 #define NT_THREADS 0x74687264 /* threads */ 617 #define NT_SYMBOLS 0x73796d73 /* symbols */ 618 619 /* NT_TEAM: uint32 entrySize; Elf32_Note_Team; char[] args */ 620 typedef struct { 621 int32 nt_id; /* team ID */ 622 int32 nt_uid; /* team owner ID */ 623 int32 nt_gid; /* team group ID */ 624 } Elf32_Note_Team; 625 626 typedef Elf32_Note_Team Elf64_Note_Team; 627 628 /* NT_AREAS: 629 * uint32 count; 630 * uint32 entrySize; 631 * Elf32_Note_Area_Entry[count]; 632 * char[] names 633 */ 634 typedef struct { 635 int32 na_id; /* area ID */ 636 uint32 na_lock; /* lock type (B_NO_LOCK, ...) */ 637 uint32 na_protection; /* protection (B_READ_AREA | ...) */ 638 uint32 na_base; /* area base address */ 639 uint32 na_size; /* area size */ 640 uint32 na_ram_size; /* physical memory used */ 641 } Elf32_Note_Area_Entry; 642 643 /* NT_AREAS: 644 * uint32 count; 645 * uint32 entrySize; 646 * Elf64_Note_Area_Entry[count]; 647 * char[] names 648 */ 649 typedef struct { 650 int32 na_id; /* area ID */ 651 uint32 na_lock; /* lock type (B_NO_LOCK, ...) */ 652 uint32 na_protection; /* protection (B_READ_AREA | ...) */ 653 uint32 na_pad1; 654 uint64 na_base; /* area base address */ 655 uint64 na_size; /* area size */ 656 uint64 na_ram_size; /* physical memory used */ 657 } Elf64_Note_Area_Entry; 658 659 /* NT_IMAGES: 660 * uint32 count; 661 * uint32 entrySize; 662 * Elf32_Note_Image_Entry[count]; 663 * char[] names 664 */ 665 typedef struct { 666 int32 ni_id; /* image ID */ 667 int32 ni_type; /* image type (B_APP_IMAGE, ...) */ 668 uint32 ni_init_routine; /* address of init function */ 669 uint32 ni_term_routine; /* address of termination function */ 670 int32 ni_device; /* device ID of mapped file */ 671 int64 ni_node; /* node ID of mapped file */ 672 uint32 ni_text_base; /* base address of text segment */ 673 uint32 ni_text_size; /* size of text segment */ 674 int32 ni_text_delta; /* delta of the text segment relative to 675 load address specified in the ELF file */ 676 uint32 ni_data_base; /* base address of data segment */ 677 uint32 ni_data_size; /* size of data segment */ 678 uint32 ni_symbol_table; /* address of dynamic symbol table */ 679 uint32 ni_symbol_hash; /* address of dynamic symbol hash */ 680 uint32 ni_string_table; /* address of dynamic string table */ 681 } Elf32_Note_Image_Entry; 682 683 /* NT_IMAGES: 684 * uint32 count; 685 * uint32 entrySize; 686 * Elf64_Note_Image_Entry[count]; 687 * char[] names 688 */ 689 typedef struct { 690 int32 ni_id; /* image ID */ 691 int32 ni_type; /* image type (B_APP_IMAGE, ...) */ 692 uint64 ni_init_routine; /* address of init function */ 693 uint64 ni_term_routine; /* address of termination function */ 694 uint32 ni_pad1; 695 int32 ni_device; /* device ID of mapped file */ 696 int64 ni_node; /* node ID of mapped file */ 697 uint64 ni_text_base; /* base address of text segment */ 698 uint64 ni_text_size; /* size of text segment */ 699 int64 ni_text_delta; /* delta of the text segment relative to 700 load address specified in the ELF file */ 701 uint64 ni_data_base; /* base address of data segment */ 702 uint64 ni_data_size; /* size of data segment */ 703 uint64 ni_symbol_table; /* address of dynamic symbol table */ 704 uint64 ni_symbol_hash; /* address of dynamic symbol hash */ 705 uint64 ni_string_table; /* address of dynamic string table */ 706 } Elf64_Note_Image_Entry; 707 708 /* NT_THREADS: 709 * uint32 count; 710 * uint32 entrySize; 711 * uint32 cpuStateSize; 712 * {Elf32_Note_Thread_Entry, uint8[cpuStateSize] cpuState}[count]; 713 * char[] names 714 */ 715 typedef struct { 716 int32 nth_id; /* thread ID */ 717 int32 nth_state; /* thread state (B_THREAD_RUNNING, ...) */ 718 int32 nth_priority; /* thread priority */ 719 uint32 nth_stack_base; /* thread stack base address */ 720 uint32 nth_stack_end; /* thread stack end address */ 721 } Elf32_Note_Thread_Entry; 722 723 /* NT_THREADS: 724 * uint32 count; 725 * uint32 entrySize; 726 * uint32 cpuStateSize; 727 * {Elf64_Note_Thread_Entry, uint8[cpuStateSize] cpuState}[count]; 728 * char[] names 729 */ 730 typedef struct { 731 int32 nth_id; /* thread ID */ 732 int32 nth_state; /* thread state (B_THREAD_RUNNING, ...) */ 733 int32 nth_priority; /* thread priority */ 734 uint32 nth_pad1; 735 uint64 nth_stack_base; /* thread stack base address */ 736 uint64 nth_stack_end; /* thread stack end address */ 737 } Elf64_Note_Thread_Entry; 738 739 /* NT_SYMBOLS: 740 * int32 imageId; 741 * uint32 symbolCount; 742 * uint32 entrySize; 743 * Elf{32,64}_Sym[count]; 744 * char[] strings 745 */ 746 747 748 /*** inline functions ***/ 749 750 #ifdef __cplusplus 751 752 inline bool 753 Elf32_Ehdr::IsHostEndian() const 754 { 755 #if B_HOST_IS_LENDIAN 756 return e_ident[EI_DATA] == ELFDATA2LSB; 757 #elif B_HOST_IS_BENDIAN 758 return e_ident[EI_DATA] == ELFDATA2MSB; 759 #endif 760 } 761 762 763 inline bool 764 Elf64_Ehdr::IsHostEndian() const 765 { 766 #if B_HOST_IS_LENDIAN 767 return e_ident[EI_DATA] == ELFDATA2LSB; 768 #elif B_HOST_IS_BENDIAN 769 return e_ident[EI_DATA] == ELFDATA2MSB; 770 #endif 771 } 772 773 774 inline bool 775 Elf32_Phdr::IsReadWrite() const 776 { 777 return !(~p_flags & (PF_READ | PF_WRITE)); 778 } 779 780 781 inline bool 782 Elf32_Phdr::IsExecutable() const 783 { 784 return (p_flags & PF_EXECUTE) != 0; 785 } 786 787 788 inline bool 789 Elf64_Phdr::IsReadWrite() const 790 { 791 return !(~p_flags & (PF_READ | PF_WRITE)); 792 } 793 794 795 inline bool 796 Elf64_Phdr::IsExecutable() const 797 { 798 return (p_flags & PF_EXECUTE) != 0; 799 } 800 801 802 inline uint8 803 Elf32_Sym::Bind() const 804 { 805 return ELF32_ST_BIND(st_info); 806 } 807 808 809 inline uint8 810 Elf32_Sym::Type() const 811 { 812 return ELF32_ST_TYPE(st_info); 813 } 814 815 816 inline void 817 Elf32_Sym::SetInfo(uint8 bind, uint8 type) 818 { 819 st_info = ELF32_ST_INFO(bind, type); 820 } 821 822 823 inline uint8 824 Elf64_Sym::Bind() const 825 { 826 return ELF64_ST_BIND(st_info); 827 } 828 829 830 inline uint8 831 Elf64_Sym::Type() const 832 { 833 return ELF64_ST_TYPE(st_info); 834 } 835 836 837 inline void 838 Elf64_Sym::SetInfo(uint8 bind, uint8 type) 839 { 840 st_info = ELF64_ST_INFO(bind, type); 841 } 842 843 844 inline uint8 845 Elf32_Rel::SymbolIndex() const 846 { 847 return ELF32_R_SYM(r_info); 848 } 849 850 851 inline uint8 852 Elf32_Rel::Type() const 853 { 854 return ELF32_R_TYPE(r_info); 855 } 856 857 858 inline uint8 859 Elf64_Rel::SymbolIndex() const 860 { 861 return ELF64_R_SYM(r_info); 862 } 863 864 865 inline uint8 866 Elf64_Rel::Type() const 867 { 868 return ELF64_R_TYPE(r_info); 869 } 870 871 #endif /* __cplusplus */ 872 873 874 #endif /* _ELF_H */ 875