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 /* e_ident[] indices */ 79 #define EI_MAG0 0 80 #define EI_MAG1 1 81 #define EI_MAG2 2 82 #define EI_MAG3 3 83 #define EI_CLASS 4 84 #define EI_DATA 5 85 #define EI_VERSION 6 86 #define EI_PAD 7 87 88 /* Values for the magic number bytes. */ 89 #define ELFMAG0 0x7f 90 #define ELFMAG1 'E' 91 #define ELFMAG2 'L' 92 #define ELFMAG3 'F' 93 #define ELFMAG "\x7f""ELF" 94 #define SELFMAG 4 95 96 /* e_type (Object file type) */ 97 #define ET_NONE 0 /* No file type */ 98 #define ET_REL 1 /* Relocatable file */ 99 #define ET_EXEC 2 /* Executable file */ 100 #define ET_DYN 3 /* Shared-object file */ 101 #define ET_CORE 4 /* Core file */ 102 #define ET_LOOS 0xfe00 /* OS-specific range start */ 103 #define ET_HIOS 0xfeff /* OS-specific range end */ 104 #define ET_LOPROC 0xff00 /* Processor-specific range start */ 105 #define ET_HIPROC 0xffff /* Processor-specific range end */ 106 107 /* e_machine (Architecture) */ 108 #define EM_NONE 0 /* No machine */ 109 #define EM_M32 1 /* AT&T WE 32100 */ 110 #define EM_SPARC 2 /* Sparc */ 111 #define EM_386 3 /* Intel 80386 */ 112 #define EM_68K 4 /* Motorola m68k family */ 113 #define EM_88K 5 /* Motorola m88k family */ 114 #define EM_486 6 /* Intel 80486, Reserved for future use */ 115 #define EM_860 7 /* Intel 80860 */ 116 #define EM_MIPS 8 /* MIPS R3000 (officially, big-endian only) */ 117 #define EM_S370 9 /* IBM System/370 */ 118 #define EM_MIPS_RS3_LE 10 /* MIPS R3000 little-endian, Deprecated */ 119 #define EM_PARISC 15 /* HPPA */ 120 #define EM_VPP550 17 /* Fujitsu VPP500 */ 121 #define EM_SPARC32PLUS 18 /* Sun "v8plus" */ 122 #define EM_960 19 /* Intel 80960 */ 123 #define EM_PPC 20 /* PowerPC */ 124 #define EM_PPC64 21 /* 64-bit PowerPC */ 125 #define EM_S390 22 /* IBM S/390 */ 126 #define EM_V800 36 /* NEC V800 series */ 127 #define EM_FR20 37 /* Fujitsu FR20 */ 128 #define EM_RH32 38 /* TRW RH32 */ 129 #define EM_MCORE 39 /* Motorola M*Core */ 130 #define EM_RCE 39 /* Old name for MCore */ 131 #define EM_ARM 40 /* ARM */ 132 #define EM_OLD_ALPHA 41 /* Digital Alpha */ 133 #define EM_SH 42 /* Renesas / SuperH SH */ 134 #define EM_SPARCV9 43 /* SPARC v9 64-bit */ 135 #define EM_TRICORE 44 /* Siemens Tricore embedded processor */ 136 #define EM_ARC 45 /* ARC Cores */ 137 #define EM_H8_300 46 /* Renesas H8/300 */ 138 #define EM_H8_300H 47 /* Renesas H8/300H */ 139 #define EM_H8S 48 /* Renesas H8S */ 140 #define EM_H8_500 49 /* Renesas H8/500 */ 141 #define EM_IA_64 50 /* Intel IA-64 Processor */ 142 #define EM_MIPS_X 51 /* Stanford MIPS-X */ 143 #define EM_COLDFIRE 52 /* Motorola Coldfire */ 144 #define EM_68HC12 53 /* Motorola M68HC12 */ 145 #define EM_MMA 54 /* Fujitsu Multimedia Accelerator */ 146 #define EM_PCP 55 /* Siemens PCP */ 147 #define EM_NCPU 56 /* Sony nCPU embedded RISC processor */ 148 #define EM_NDR1 57 /* Denso NDR1 microprocesspr */ 149 #define EM_STARCORE 58 /* Motorola Star*Core processor */ 150 #define EM_ME16 59 /* Toyota ME16 processor */ 151 #define EM_ST100 60 /* STMicroelectronics ST100 processor */ 152 #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded processor */ 153 #define EM_X86_64 62 /* Advanced Micro Devices X86-64 processor */ 154 155 /* architecture class (EI_CLASS) */ 156 #define ELFCLASSNONE 0 157 #define ELFCLASS32 1 158 #define ELFCLASS64 2 159 160 /* endian (EI_DATA) */ 161 #define ELFDATANONE 0 /* invalid */ 162 #define ELFDATA2LSB 1 /* little endian */ 163 #define ELFDATA2MSB 2 /* big endian */ 164 165 /* ELF version (EI_VERSION) */ 166 #define EV_NONE 0 /* invalid */ 167 #define EV_CURRENT 1 /* current version */ 168 169 /*** section header ***/ 170 171 typedef struct { 172 Elf32_Word sh_name; 173 Elf32_Word sh_type; 174 Elf32_Word sh_flags; 175 Elf32_Addr sh_addr; 176 Elf32_Off sh_offset; 177 Elf32_Word sh_size; 178 Elf32_Word sh_link; 179 Elf32_Word sh_info; 180 Elf32_Word sh_addralign; 181 Elf32_Word sh_entsize; 182 } Elf32_Shdr; 183 184 typedef struct { 185 Elf64_Word sh_name; 186 Elf64_Word sh_type; 187 Elf64_Xword sh_flags; 188 Elf64_Addr sh_addr; 189 Elf64_Off sh_offset; 190 Elf64_Xword sh_size; 191 Elf64_Word sh_link; 192 Elf64_Word sh_info; 193 Elf64_Xword sh_addralign; 194 Elf64_Xword sh_entsize; 195 } Elf64_Shdr; 196 197 /* special section indices */ 198 #define SHN_UNDEF 0 199 #define SHN_LORESERVE 0xff00 200 #define SHN_LOPROC 0xff00 201 #define SHN_HIPROC 0xff1f 202 #define SHN_ABS 0xfff1 203 #define SHN_COMMON 0xfff2 204 #define SHN_HIRESERVE 0xffff 205 206 /* section header type */ 207 #define SHT_NULL 0 208 #define SHT_PROGBITS 1 209 #define SHT_SYMTAB 2 210 #define SHT_STRTAB 3 211 #define SHT_RELA 4 212 #define SHT_HASH 5 213 #define SHT_DYNAMIC 6 214 #define SHT_NOTE 7 215 #define SHT_NOBITS 8 216 #define SHT_REL 9 217 #define SHT_SHLIB 10 218 #define SHT_DYNSYM 11 219 220 #define SHT_GNU_verdef 0x6ffffffd /* version definition section */ 221 #define SHT_GNU_verneed 0x6ffffffe /* version needs section */ 222 #define SHT_GNU_versym 0x6fffffff /* version symbol table */ 223 224 #define SHT_LOPROC 0x70000000 225 #define SHT_HIPROC 0x7fffffff 226 #define SHT_LOUSER 0x80000000 227 #define SHT_HIUSER 0xffffffff 228 229 /* section header flags */ 230 #define SHF_WRITE 1 231 #define SHF_ALLOC 2 232 #define SHF_EXECINSTR 4 233 234 #define SHF_MASKPROC 0xf0000000 235 236 237 /*** program header ***/ 238 239 typedef struct { 240 Elf32_Word p_type; 241 Elf32_Off p_offset; /* offset from the beginning of the file of the segment */ 242 Elf32_Addr p_vaddr; /* virtual address for the segment in memory */ 243 Elf32_Addr p_paddr; 244 Elf32_Word p_filesz; /* the size of the segment in the file */ 245 Elf32_Word p_memsz; /* the size of the segment in memory */ 246 Elf32_Word p_flags; 247 Elf32_Word p_align; 248 249 #ifdef __cplusplus 250 bool IsReadWrite() const; 251 bool IsExecutable() const; 252 #endif 253 } Elf32_Phdr; 254 255 typedef struct { 256 Elf64_Word p_type; 257 Elf64_Word p_flags; 258 Elf64_Off p_offset; /* offset from the beginning of the file of the segment */ 259 Elf64_Addr p_vaddr; /* virtual address for the segment in memory */ 260 Elf64_Addr p_paddr; 261 Elf64_Xword p_filesz; /* the size of the segment in the file */ 262 Elf64_Xword p_memsz; /* the size of the segment in memory */ 263 Elf64_Xword p_align; 264 265 #ifdef __cplusplus 266 bool IsReadWrite() const; 267 bool IsExecutable() const; 268 #endif 269 } Elf64_Phdr; 270 271 /* program header segment types */ 272 #define PT_NULL 0 273 #define PT_LOAD 1 274 #define PT_DYNAMIC 2 275 #define PT_INTERP 3 276 #define PT_NOTE 4 277 #define PT_SHLIB 5 278 #define PT_PHDR 6 279 #define PT_TLS 7 280 #define PT_STACK 0x6474e551 281 #define PT_RELRO 0x6474e552 282 283 #define PT_LOPROC 0x70000000 284 #define PT_ARM_UNWIND 0x70000001 285 #define PT_HIPROC 0x7fffffff 286 287 /* program header segment flags */ 288 #define PF_EXECUTE 0x1 289 #define PF_WRITE 0x2 290 #define PF_READ 0x4 291 #define PF_PROTECTION_MASK (PF_EXECUTE | PF_WRITE | PF_READ) 292 293 #define PF_MASKPROC 0xf0000000 294 295 296 /* symbol table entry */ 297 298 typedef struct { 299 Elf32_Word st_name; 300 Elf32_Addr st_value; 301 Elf32_Word st_size; 302 uint8 st_info; 303 uint8 st_other; 304 Elf32_Half st_shndx; 305 306 #ifdef __cplusplus 307 uint8 Bind() const; 308 uint8 Type() const; 309 void SetInfo(uint8 bind, uint8 type); 310 #endif 311 } Elf32_Sym; 312 313 typedef struct { 314 Elf64_Word st_name; 315 uint8 st_info; 316 uint8 st_other; 317 Elf64_Half st_shndx; 318 Elf64_Addr st_value; 319 Elf64_Xword st_size; 320 321 #ifdef __cplusplus 322 uint8 Bind() const; 323 uint8 Type() const; 324 void SetInfo(uint8 bind, uint8 type); 325 #endif 326 } Elf64_Sym; 327 328 #define ELF32_ST_BIND(i) ((i) >> 4) 329 #define ELF32_ST_TYPE(i) ((i) & 0xf) 330 #define ELF32_ST_INFO(b, t) (((b) << 4) + ((t) & 0xf)) 331 332 #define ELF64_ST_BIND(i) ((i) >> 4) 333 #define ELF64_ST_TYPE(i) ((i) & 0xf) 334 #define ELF64_ST_INFO(b, t) (((b) << 4) + ((t) & 0xf)) 335 336 /* symbol types */ 337 #define STT_NOTYPE 0 338 #define STT_OBJECT 1 339 #define STT_FUNC 2 340 #define STT_SECTION 3 341 #define STT_FILE 4 342 #define STT_TLS 6 343 #define STT_LOPROC 13 344 #define STT_HIPROC 15 345 346 /* symbol binding */ 347 #define STB_LOCAL 0 348 #define STB_GLOBAL 1 349 #define STB_WEAK 2 350 #define STB_LOPROC 13 351 #define STB_HIPROC 15 352 353 /* special symbol indices */ 354 #define STN_UNDEF 0 355 356 357 /* relocation table entry */ 358 359 typedef struct { 360 Elf32_Addr r_offset; 361 Elf32_Word r_info; 362 363 #ifdef __cplusplus 364 uint8 SymbolIndex() const; 365 uint8 Type() const; 366 #endif 367 } Elf32_Rel; 368 369 typedef struct { 370 Elf64_Addr r_offset; 371 Elf64_Xword r_info; 372 373 #ifdef __cplusplus 374 uint8 SymbolIndex() const; 375 uint8 Type() const; 376 #endif 377 } Elf64_Rel; 378 379 #ifdef __cplusplus 380 typedef struct Elf32_Rela : public Elf32_Rel { 381 #else 382 typedef struct { 383 Elf32_Addr r_offset; 384 Elf32_Word r_info; 385 #endif 386 Elf32_Sword r_addend; 387 } Elf32_Rela; 388 389 #ifdef __cplusplus 390 typedef struct Elf64_Rela : public Elf64_Rel { 391 #else 392 typedef struct { 393 Elf64_Addr r_offset; 394 Elf64_Xword r_info; 395 #endif 396 Elf64_Sxword r_addend; 397 } Elf64_Rela; 398 399 #define ELF32_R_SYM(i) ((i) >> 8) 400 #define ELF32_R_TYPE(i) ((unsigned char)(i)) 401 #define ELF32_R_INFO(s, t) (((s) << 8) + (unsigned char)(t)) 402 403 #define ELF64_R_SYM(i) ((i) >> 32) 404 #define ELF64_R_TYPE(i) ((i) & 0xffffffffL) 405 #define ELF64_R_INFO(s, t) ((((Elf64_Xword)(s)) << 32) + ((t) & 0xffffffffL)) 406 407 408 /* dynamic section entry */ 409 410 typedef struct { 411 Elf32_Sword d_tag; 412 union { 413 Elf32_Word d_val; 414 Elf32_Addr d_ptr; 415 } d_un; 416 } Elf32_Dyn; 417 418 typedef struct { 419 Elf64_Sxword d_tag; 420 union { 421 Elf64_Xword d_val; 422 Elf64_Addr d_ptr; 423 } d_un; 424 } Elf64_Dyn; 425 426 /* dynamic entry type */ 427 #define DT_NULL 0 428 #define DT_NEEDED 1 429 #define DT_PLTRELSZ 2 430 #define DT_PLTGOT 3 431 #define DT_HASH 4 432 #define DT_STRTAB 5 433 #define DT_SYMTAB 6 434 #define DT_RELA 7 435 #define DT_RELASZ 8 436 #define DT_RELAENT 9 437 #define DT_STRSZ 10 438 #define DT_SYMENT 11 439 #define DT_INIT 12 440 #define DT_FINI 13 441 #define DT_SONAME 14 442 #define DT_RPATH 15 443 #define DT_SYMBOLIC 16 444 #define DT_REL 17 445 #define DT_RELSZ 18 446 #define DT_RELENT 19 447 #define DT_PLTREL 20 448 #define DT_DEBUG 21 449 #define DT_TEXTREL 22 450 #define DT_JMPREL 23 451 #define DT_BIND_NOW 24 /* no lazy binding */ 452 #define DT_INIT_ARRAY 25 /* init function array */ 453 #define DT_FINI_ARRAY 26 /* termination function array */ 454 #define DT_INIT_ARRAYSZ 27 /* init function array size */ 455 #define DT_FINI_ARRAYSZ 28 /* termination function array size */ 456 #define DT_RUNPATH 29 /* library search path (supersedes DT_RPATH) */ 457 #define DT_FLAGS 30 /* flags (see below) */ 458 #define DT_ENCODING 32 459 #define DT_PREINIT_ARRAY 32 /* preinitialization array */ 460 #define DT_PREINIT_ARRAYSZ 33 /* preinitialization array size */ 461 462 #define DT_VERSYM 0x6ffffff0 /* symbol version table */ 463 #define DT_VERDEF 0x6ffffffc /* version definition table */ 464 #define DT_VERDEFNUM 0x6ffffffd /* number of version definitions */ 465 #define DT_VERNEED 0x6ffffffe /* table with needed versions */ 466 #define DT_VERNEEDNUM 0x6fffffff /* number of needed versions */ 467 468 #define DT_LOPROC 0x70000000 469 #define DT_HIPROC 0x7fffffff 470 471 /* DT_FLAGS values */ 472 #define DF_ORIGIN 0x01 473 #define DF_SYMBOLIC 0x02 474 #define DF_TEXTREL 0x04 475 #define DF_BIND_NOW 0x08 476 #define DF_STATIC_TLS 0x10 477 478 479 /* version definition section */ 480 481 typedef struct { 482 Elf32_Half vd_version; /* version revision */ 483 Elf32_Half vd_flags; /* version information flags */ 484 Elf32_Half vd_ndx; /* version index as specified in the 485 symbol version table */ 486 Elf32_Half vd_cnt; /* number of associated verdaux entries */ 487 Elf32_Word vd_hash; /* version name hash value */ 488 Elf32_Word vd_aux; /* byte offset to verdaux array */ 489 Elf32_Word vd_next; /* byte offset to next verdef entry */ 490 } Elf32_Verdef; 491 492 typedef struct { 493 Elf64_Half vd_version; /* version revision */ 494 Elf64_Half vd_flags; /* version information flags */ 495 Elf64_Half vd_ndx; /* version index as specified in the 496 symbol version table */ 497 Elf64_Half vd_cnt; /* number of associated verdaux entries */ 498 Elf64_Word vd_hash; /* version name hash value */ 499 Elf64_Word vd_aux; /* byte offset to verdaux array */ 500 Elf64_Word vd_next; /* byte offset to next verdef entry */ 501 } Elf64_Verdef; 502 503 /* values for vd_version (version revision) */ 504 #define VER_DEF_NONE 0 /* no version */ 505 #define VER_DEF_CURRENT 1 /* current version */ 506 #define VER_DEF_NUM 2 /* given version number */ 507 508 /* values for vd_flags (version information flags) */ 509 #define VER_FLG_BASE 0x1 /* version definition of file itself */ 510 #define VER_FLG_WEAK 0x2 /* weak version identifier */ 511 512 /* values for versym symbol index */ 513 #define VER_NDX_LOCAL 0 /* symbol is local */ 514 #define VER_NDX_GLOBAL 1 /* symbol is global/unversioned */ 515 #define VER_NDX_INITIAL 2 /* initial version -- that's the one given 516 to symbols when a library becomes 517 versioned; handled by the linker (and 518 runtime loader) similar to 519 VER_NDX_GLOBAL */ 520 #define VER_NDX_LORESERVE 0xff00 /* beginning of reserved entries */ 521 #define VER_NDX_ELIMINATE 0xff01 /* symbol is to be eliminated */ 522 523 #define VER_NDX_FLAG_HIDDEN 0x8000 /* flag: version is hidden */ 524 #define VER_NDX_MASK 0x7fff /* mask to get the actual version index */ 525 #define VER_NDX(x) ((x) & VER_NDX_MASK) 526 527 528 /* auxiliary version information */ 529 530 typedef struct { 531 Elf32_Word vda_name; /* string table offset to version or dependency 532 name */ 533 Elf32_Word vda_next; /* byte offset to next verdaux entry */ 534 } Elf32_Verdaux; 535 536 typedef struct { 537 Elf64_Word vda_name; /* string table offset to version or dependency 538 name */ 539 Elf64_Word vda_next; /* byte offset to next verdaux entry */ 540 } Elf64_Verdaux; 541 542 543 /* version dependency section */ 544 545 typedef struct { 546 Elf32_Half vn_version; /* version of structure */ 547 Elf32_Half vn_cnt; /* number of associated vernaux entries */ 548 Elf32_Word vn_file; /* byte offset to file name for this 549 dependency */ 550 Elf32_Word vn_aux; /* byte offset to vernaux array */ 551 Elf32_Word vn_next; /* byte offset to next verneed entry */ 552 } Elf32_Verneed; 553 554 typedef struct { 555 Elf64_Half vn_version; /* version of structure */ 556 Elf64_Half vn_cnt; /* number of associated vernaux entries */ 557 Elf64_Word vn_file; /* byte offset to file name for this 558 dependency */ 559 Elf64_Word vn_aux; /* byte offset to vernaux array */ 560 Elf64_Word vn_next; /* byte offset to next verneed entry */ 561 } Elf64_Verneed; 562 563 /* values for vn_version (version revision) */ 564 #define VER_NEED_NONE 0 /* no version */ 565 #define VER_NEED_CURRENT 1 /* current version */ 566 #define VER_NEED_NUM 2 /* given version number */ 567 568 569 /* auxiliary needed version information */ 570 571 typedef struct { 572 Elf32_Word vna_hash; /* dependency name hash value */ 573 Elf32_Half vna_flags; /* dependency specific information flags */ 574 Elf32_Half vna_other; /* version index as specified in the symbol 575 version table */ 576 Elf32_Word vna_name; /* string table offset to dependency name */ 577 Elf32_Word vna_next; /* byte offset to next vernaux entry */ 578 } Elf32_Vernaux; 579 580 typedef struct { 581 Elf64_Word vna_hash; /* dependency name hash value */ 582 Elf64_Half vna_flags; /* dependency specific information flags */ 583 Elf64_Half vna_other; /* version index as specified in the symbol 584 version table */ 585 Elf64_Word vna_name; /* string table offset to dependency name */ 586 Elf64_Word vna_next; /* byte offset to next vernaux entry */ 587 } Elf64_Vernaux; 588 589 /* values for vna_flags */ 590 #define VER_FLG_WEAK 0x2 /* weak version identifier */ 591 592 593 /*** core files ***/ 594 595 /* note section header */ 596 597 typedef struct { 598 Elf32_Word n_namesz; /* length of the note's name */ 599 Elf32_Word n_descsz; /* length of the note's descriptor */ 600 Elf32_Word n_type; /* note type */ 601 } Elf32_Nhdr; 602 603 typedef struct { 604 Elf64_Word n_namesz; /* length of the note's name */ 605 Elf64_Word n_descsz; /* length of the note's descriptor */ 606 Elf64_Word n_type; /* note type */ 607 } Elf64_Nhdr; 608 609 /* values for note name */ 610 #define ELF_NOTE_CORE "CORE" 611 #define ELF_NOTE_HAIKU "Haiku" 612 613 /* values for note type (n_type) */ 614 /* ELF_NOTE_CORE/... */ 615 #define NT_FILE 0x46494c45 /* mapped files */ 616 617 /* ELF_NOTE_HAIKU/... */ 618 #define NT_TEAM 0x7465616d /* team */ 619 #define NT_AREAS 0x61726561 /* areas */ 620 #define NT_IMAGES 0x696d6167 /* images */ 621 #define NT_THREADS 0x74687264 /* threads */ 622 #define NT_SYMBOLS 0x73796d73 /* symbols */ 623 624 /* NT_TEAM: uint32 entrySize; Elf32_Note_Team; char[] args */ 625 typedef struct { 626 int32 nt_id; /* team ID */ 627 int32 nt_uid; /* team owner ID */ 628 int32 nt_gid; /* team group ID */ 629 } Elf32_Note_Team; 630 631 typedef Elf32_Note_Team Elf64_Note_Team; 632 633 /* NT_AREAS: 634 * uint32 count; 635 * uint32 entrySize; 636 * Elf32_Note_Area_Entry[count]; 637 * char[] names 638 */ 639 typedef struct { 640 int32 na_id; /* area ID */ 641 uint32 na_lock; /* lock type (B_NO_LOCK, ...) */ 642 uint32 na_protection; /* protection (B_READ_AREA | ...) */ 643 uint32 na_base; /* area base address */ 644 uint32 na_size; /* area size */ 645 uint32 na_ram_size; /* physical memory used */ 646 } Elf32_Note_Area_Entry; 647 648 /* NT_AREAS: 649 * uint32 count; 650 * uint32 entrySize; 651 * Elf64_Note_Area_Entry[count]; 652 * char[] names 653 */ 654 typedef struct { 655 int32 na_id; /* area ID */ 656 uint32 na_lock; /* lock type (B_NO_LOCK, ...) */ 657 uint32 na_protection; /* protection (B_READ_AREA | ...) */ 658 uint32 na_pad1; 659 uint64 na_base; /* area base address */ 660 uint64 na_size; /* area size */ 661 uint64 na_ram_size; /* physical memory used */ 662 } Elf64_Note_Area_Entry; 663 664 /* NT_IMAGES: 665 * uint32 count; 666 * uint32 entrySize; 667 * Elf32_Note_Image_Entry[count]; 668 * char[] names 669 */ 670 typedef struct { 671 int32 ni_id; /* image ID */ 672 int32 ni_type; /* image type (B_APP_IMAGE, ...) */ 673 uint32 ni_init_routine; /* address of init function */ 674 uint32 ni_term_routine; /* address of termination function */ 675 int32 ni_device; /* device ID of mapped file */ 676 int64 ni_node; /* node ID of mapped file */ 677 uint32 ni_text_base; /* base address of text segment */ 678 uint32 ni_text_size; /* size of text segment */ 679 int32 ni_text_delta; /* delta of the text segment relative to 680 load address specified in the ELF file */ 681 uint32 ni_data_base; /* base address of data segment */ 682 uint32 ni_data_size; /* size of data segment */ 683 uint32 ni_symbol_table; /* address of dynamic symbol table */ 684 uint32 ni_symbol_hash; /* address of dynamic symbol hash */ 685 uint32 ni_string_table; /* address of dynamic string table */ 686 } Elf32_Note_Image_Entry; 687 688 /* NT_IMAGES: 689 * uint32 count; 690 * uint32 entrySize; 691 * Elf64_Note_Image_Entry[count]; 692 * char[] names 693 */ 694 typedef struct { 695 int32 ni_id; /* image ID */ 696 int32 ni_type; /* image type (B_APP_IMAGE, ...) */ 697 uint64 ni_init_routine; /* address of init function */ 698 uint64 ni_term_routine; /* address of termination function */ 699 uint32 ni_pad1; 700 int32 ni_device; /* device ID of mapped file */ 701 int64 ni_node; /* node ID of mapped file */ 702 uint64 ni_text_base; /* base address of text segment */ 703 uint64 ni_text_size; /* size of text segment */ 704 int64 ni_text_delta; /* delta of the text segment relative to 705 load address specified in the ELF file */ 706 uint64 ni_data_base; /* base address of data segment */ 707 uint64 ni_data_size; /* size of data segment */ 708 uint64 ni_symbol_table; /* address of dynamic symbol table */ 709 uint64 ni_symbol_hash; /* address of dynamic symbol hash */ 710 uint64 ni_string_table; /* address of dynamic string table */ 711 } Elf64_Note_Image_Entry; 712 713 /* NT_THREADS: 714 * uint32 count; 715 * uint32 entrySize; 716 * uint32 cpuStateSize; 717 * {Elf32_Note_Thread_Entry, uint8[cpuStateSize] cpuState}[count]; 718 * char[] names 719 */ 720 typedef struct { 721 int32 nth_id; /* thread ID */ 722 int32 nth_state; /* thread state (B_THREAD_RUNNING, ...) */ 723 int32 nth_priority; /* thread priority */ 724 uint32 nth_stack_base; /* thread stack base address */ 725 uint32 nth_stack_end; /* thread stack end address */ 726 } Elf32_Note_Thread_Entry; 727 728 /* NT_THREADS: 729 * uint32 count; 730 * uint32 entrySize; 731 * uint32 cpuStateSize; 732 * {Elf64_Note_Thread_Entry, uint8[cpuStateSize] cpuState}[count]; 733 * char[] names 734 */ 735 typedef struct { 736 int32 nth_id; /* thread ID */ 737 int32 nth_state; /* thread state (B_THREAD_RUNNING, ...) */ 738 int32 nth_priority; /* thread priority */ 739 uint32 nth_pad1; 740 uint64 nth_stack_base; /* thread stack base address */ 741 uint64 nth_stack_end; /* thread stack end address */ 742 } Elf64_Note_Thread_Entry; 743 744 /* NT_SYMBOLS: 745 * int32 imageId; 746 * uint32 symbolCount; 747 * uint32 entrySize; 748 * Elf{32,64}_Sym[count]; 749 * char[] strings 750 */ 751 752 753 /*** inline functions ***/ 754 755 #ifdef __cplusplus 756 757 inline bool 758 Elf32_Ehdr::IsHostEndian() const 759 { 760 #if B_HOST_IS_LENDIAN 761 return e_ident[EI_DATA] == ELFDATA2LSB; 762 #elif B_HOST_IS_BENDIAN 763 return e_ident[EI_DATA] == ELFDATA2MSB; 764 #endif 765 } 766 767 768 inline bool 769 Elf64_Ehdr::IsHostEndian() const 770 { 771 #if B_HOST_IS_LENDIAN 772 return e_ident[EI_DATA] == ELFDATA2LSB; 773 #elif B_HOST_IS_BENDIAN 774 return e_ident[EI_DATA] == ELFDATA2MSB; 775 #endif 776 } 777 778 779 inline bool 780 Elf32_Phdr::IsReadWrite() const 781 { 782 return !(~p_flags & (PF_READ | PF_WRITE)); 783 } 784 785 786 inline bool 787 Elf32_Phdr::IsExecutable() const 788 { 789 return (p_flags & PF_EXECUTE) != 0; 790 } 791 792 793 inline bool 794 Elf64_Phdr::IsReadWrite() const 795 { 796 return !(~p_flags & (PF_READ | PF_WRITE)); 797 } 798 799 800 inline bool 801 Elf64_Phdr::IsExecutable() const 802 { 803 return (p_flags & PF_EXECUTE) != 0; 804 } 805 806 807 inline uint8 808 Elf32_Sym::Bind() const 809 { 810 return ELF32_ST_BIND(st_info); 811 } 812 813 814 inline uint8 815 Elf32_Sym::Type() const 816 { 817 return ELF32_ST_TYPE(st_info); 818 } 819 820 821 inline void 822 Elf32_Sym::SetInfo(uint8 bind, uint8 type) 823 { 824 st_info = ELF32_ST_INFO(bind, type); 825 } 826 827 828 inline uint8 829 Elf64_Sym::Bind() const 830 { 831 return ELF64_ST_BIND(st_info); 832 } 833 834 835 inline uint8 836 Elf64_Sym::Type() const 837 { 838 return ELF64_ST_TYPE(st_info); 839 } 840 841 842 inline void 843 Elf64_Sym::SetInfo(uint8 bind, uint8 type) 844 { 845 st_info = ELF64_ST_INFO(bind, type); 846 } 847 848 849 inline uint8 850 Elf32_Rel::SymbolIndex() const 851 { 852 return ELF32_R_SYM(r_info); 853 } 854 855 856 inline uint8 857 Elf32_Rel::Type() const 858 { 859 return ELF32_R_TYPE(r_info); 860 } 861 862 863 inline uint8 864 Elf64_Rel::SymbolIndex() const 865 { 866 return ELF64_R_SYM(r_info); 867 } 868 869 870 inline uint8 871 Elf64_Rel::Type() const 872 { 873 return ELF64_R_TYPE(r_info); 874 } 875 876 #endif /* __cplusplus */ 877 878 879 #endif /* _ELF_H */ 880