exec_elf.h revision 1.5.22.1
1 /* $NetBSD: exec_elf.h,v 1.5.22.1 2011/03/05 20:49:44 rmind Exp $ */ 2 3 /*- 4 * Copyright (c) 1994 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Christos Zoulas. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #ifndef _LIBTOS_EXEC_ELF_H_ 33 #define _LIBTOS_EXEC_ELF_H_ 34 35 /* 36 * The current ELF ABI specification is available at: 37 * http://www.sco.com/developer/gabi/ 38 * 39 * Current header definitions are in: 40 * http://www.sco.com/developer/gabi/latest/ch4.eheader.html 41 */ 42 43 /* 44 * Leo 10/10/2001: 45 * This is a copy of the file in sys/sys, but modified a bit to 46 * be used in a TOS/MiNT environment. I will probably trim it down 47 * in the near future. It is only used for loading kernels. 48 */ 49 #ifdef TOSTOOLS 50 typedef signed char __int8_t; 51 typedef unsigned char __uint8_t; 52 typedef short int __int16_t; 53 typedef unsigned short int __uint16_t; 54 typedef int __int32_t; 55 typedef unsigned int __uint32_t; 56 typedef long long int __int64_t; 57 typedef unsigned long long int __uint64_t; 58 #else 59 #include <machine/int_types.h> 60 #endif /* TOSTOOLS */ 61 62 typedef __uint8_t Elf_Byte; 63 64 typedef __uint32_t Elf32_Addr; 65 #define ELF32_FSZ_ADDR 4 66 typedef __uint32_t Elf32_Off; 67 #define ELF32_FSZ_OFF 4 68 typedef __int32_t Elf32_Sword; 69 #define ELF32_FSZ_SWORD 4 70 typedef __uint32_t Elf32_Word; 71 #define ELF32_FSZ_WORD 4 72 typedef __uint16_t Elf32_Half; 73 #define ELF32_FSZ_HALF 2 74 75 typedef __uint64_t Elf64_Addr; 76 #define ELF64_FSZ_ADDR 8 77 typedef __uint64_t Elf64_Off; 78 #define ELF64_FSZ_OFF 8 79 typedef __int32_t Elf64_Shalf; 80 #define ELF64_FSZ_SHALF 4 81 82 #ifdef __alpha__ 83 typedef __int64_t Elf64_Sword; 84 #define ELF64_FSZ_SWORD 8 85 typedef __uint64_t Elf64_Word; 86 #define ELF64_FSZ_WORD 8 87 #else 88 typedef __int32_t Elf64_Sword; 89 #define ELF64_FSZ_SWORD 4 90 typedef __uint32_t Elf64_Word; 91 #define ELF64_FSZ_WORD 4 92 #endif /* __alpha__ */ 93 94 typedef __int64_t Elf64_Sxword; 95 #define ELF64_FSZ_XWORD 8 96 typedef __uint64_t Elf64_Xword; 97 #define ELF64_FSZ_XWORD 8 98 typedef __uint16_t Elf64_Half; 99 #define ELF64_FSZ_HALF 2 100 101 /* 102 * ELF Header 103 */ 104 #define ELF_NIDENT 16 105 106 typedef struct { 107 unsigned char e_ident[ELF_NIDENT]; /* Id bytes */ 108 Elf32_Half e_type; /* file type */ 109 Elf32_Half e_machine; /* machine type */ 110 Elf32_Word e_version; /* version number */ 111 Elf32_Addr e_entry; /* entry point */ 112 Elf32_Off e_phoff; /* Program hdr offset */ 113 Elf32_Off e_shoff; /* Section hdr offset */ 114 Elf32_Word e_flags; /* Processor flags */ 115 Elf32_Half e_ehsize; /* sizeof ehdr */ 116 Elf32_Half e_phentsize; /* Program header entry size */ 117 Elf32_Half e_phnum; /* Number of program headers */ 118 Elf32_Half e_shentsize; /* Section header entry size */ 119 Elf32_Half e_shnum; /* Number of section headers */ 120 Elf32_Half e_shstrndx; /* String table index */ 121 } Elf32_Ehdr; 122 123 /* e_ident offsets */ 124 #define EI_MAG0 0 /* '\177' */ 125 #define EI_MAG1 1 /* 'E' */ 126 #define EI_MAG2 2 /* 'L' */ 127 #define EI_MAG3 3 /* 'F' */ 128 #define EI_CLASS 4 /* File class */ 129 #define EI_DATA 5 /* Data encoding */ 130 #define EI_VERSION 6 /* File version */ 131 #define EI_OSABI 7 /* Operating system/ABI identification */ 132 #define EI_ABIVERSION 8 /* ABI version */ 133 #define EI_PAD 9 /* Start of padding bytes up to EI_NIDENT*/ 134 135 /* e_ident[ELFMAG0,ELFMAG3] */ 136 #define ELFMAG0 0x7f 137 #define ELFMAG1 'E' 138 #define ELFMAG2 'L' 139 #define ELFMAG3 'F' 140 #define ELFMAG "\177ELF" 141 #define SELFMAG 4 142 143 /* e_ident[EI_CLASS] */ 144 #define ELFCLASSNONE 0 /* Invalid class */ 145 #define ELFCLASS32 1 /* 32-bit objects */ 146 #define ELFCLASS64 2 /* 64-bit objects */ 147 #define ELFCLASSNUM 3 148 149 /* e_ident[EI_DATA] */ 150 #define ELFDATANONE 0 /* Invalid data encoding */ 151 #define ELFDATA2LSB 1 /* 2's complement values, LSB first */ 152 #define ELFDATA2MSB 2 /* 2's complement values, MSB first */ 153 154 /* e_ident[EI_VERSION] */ 155 #define EV_NONE 0 /* Invalid version */ 156 #define EV_CURRENT 1 /* Current version */ 157 #define EV_NUM 2 158 159 /* e_ident[EI_OSABI] */ 160 #define ELFOSABI_SYSV 0 /* UNIX System V ABI */ 161 #define ELFOSABI_HPUX 1 /* HP-UX operating system */ 162 #define ELFOSABI_NETBSD 2 /* NetBSD */ 163 #define ELFOSABI_LINUX 3 /* GNU/Linux */ 164 #define ELFOSABI_HURD 4 /* GNU/Hurd */ 165 #define ELFOSABI_86OPEN 5 /* 86Open */ 166 #define ELFOSABI_SOLARIS 6 /* Solaris */ 167 #define ELFOSABI_MONTEREY 7 /* Monterey */ 168 #define ELFOSABI_IRIX 8 /* IRIX */ 169 #define ELFOSABI_FREEBSD 9 /* FreeBSD */ 170 #define ELFOSABI_TRU64 10 /* TRU64 UNIX */ 171 #define ELFOSABI_MODESTO 11 /* Novell Modesto */ 172 #define ELFOSABI_OPENBSD 12 /* OpenBSD */ 173 /* Unofficial OSABIs follow */ 174 #define ELFOSABI_ARM 97 /* ARM */ 175 #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ 176 177 /* e_type */ 178 #define ET_NONE 0 /* No file type */ 179 #define ET_REL 1 /* Relocatable file */ 180 #define ET_EXEC 2 /* Executable file */ 181 #define ET_DYN 3 /* Shared object file */ 182 #define ET_CORE 4 /* Core file */ 183 #define ET_NUM 5 184 185 #define ET_LOOS 0xfe00 /* Operating system specific range */ 186 #define ET_HIOS 0xfeff 187 #define ET_LOPROC 0xff00 /* Processor-specific range */ 188 #define ET_HIPROC 0xffff 189 190 /* e_machine */ 191 #define EM_NONE 0 /* No machine */ 192 #define EM_M32 1 /* AT&T WE 32100 */ 193 #define EM_SPARC 2 /* SPARC */ 194 #define EM_386 3 /* Intel 80386 */ 195 #define EM_68K 4 /* Motorola 68000 */ 196 #define EM_88K 5 /* Motorola 88000 */ 197 #define EM_486 6 /* Intel 80486 */ 198 #define EM_860 7 /* Intel 80860 */ 199 #define EM_MIPS 8 /* MIPS I Architecture */ 200 #define EM_S370 9 /* Amdahl UTS on System/370 */ 201 #define EM_MIPS_RS3_LE 10 /* MIPS RS3000 Little-endian */ 202 /* 11-14 - Reserved */ 203 #define EM_RS6000 11 /* IBM RS/6000 XXX reserved */ 204 #define EM_PARISC 15 /* Hewlett-Packard PA-RISC */ 205 #define EM_NCUBE 16 /* NCube XXX reserved */ 206 #define EM_VPP500 17 /* Fujitsu VPP500 */ 207 #define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */ 208 #define EM_960 19 /* Intel 80960 */ 209 #define EM_PPC 20 /* PowerPC */ 210 #define EM_PPC64 21 /* 64-bit PowerPC */ 211 /* 22-35 - Reserved */ 212 #define EM_V800 36 /* NEC V800 */ 213 #define EM_FR20 37 /* Fujitsu FR20 */ 214 #define EM_RH32 38 /* TRW RH-32 */ 215 #define EM_RCE 39 /* Motorola RCE */ 216 #define EM_ARM 40 /* Advanced RISC Machines ARM */ 217 #define EM_ALPHA 41 /* DIGITAL Alpha */ 218 #define EM_SH 42 /* Hitachi Super-H */ 219 #define EM_SPARCV9 43 /* SPARC Version 9 */ 220 #define EM_TRICORE 44 /* Siemens Tricore */ 221 #define EM_ARC 45 /* Argonaut RISC Core */ 222 #define EM_H8_300 46 /* Hitachi H8/300 */ 223 #define EM_H8_300H 47 /* Hitachi H8/300H */ 224 #define EM_H8S 48 /* Hitachi H8S */ 225 #define EM_H8_500 49 /* Hitachi H8/500 */ 226 #define EM_IA_64 50 /* Intel Merced Processor */ 227 #define EM_MIPS_X 51 /* Stanford MIPS-X */ 228 #define EM_COLDFIRE 52 /* Motorola Coldfire */ 229 #define EM_68HC12 53 /* Motorola MC68HC12 */ 230 #define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator */ 231 #define EM_PCP 55 /* Siemens PCP */ 232 #define EM_NCPU 56 /* Sony nCPU embedded RISC processor */ 233 #define EM_NDR1 57 /* Denso NDR1 microprocessor */ 234 #define EM_STARCORE 58 /* Motorola Star*Core processor */ 235 #define EM_ME16 59 /* Toyota ME16 processor */ 236 #define EM_ST100 60 /* STMicroelectronics ST100 processor */ 237 #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded family processor */ 238 #define EM_X86_64 62 /* AMD x86-64 architecture */ 239 #define EM_PDSP 63 /* Sony DSP Processor */ 240 /* 64-65 - Reserved */ 241 #define EM_FX66 66 /* Siemens FX66 microcontroller */ 242 #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */ 243 #define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */ 244 #define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */ 245 #define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */ 246 #define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */ 247 #define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */ 248 #define EM_SVX 73 /* Silicon Graphics SVx */ 249 #define EM_ST19 74 /* STMicroelectronics ST19 8-bit CPU */ 250 #define EM_VAX 75 /* Digital VAX */ 251 #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */ 252 #define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded CPU */ 253 #define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */ 254 #define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */ 255 #define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */ 256 #define EM_HUANY 81 /* Harvard's machine-independent format */ 257 #define EM_PRISM 82 /* SiTera Prism */ 258 #define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */ 259 #define EM_FR30 84 /* Fujitsu FR30 */ 260 #define EM_D10V 85 /* Mitsubishi D10V */ 261 #define EM_D30V 86 /* Mitsubishi D30V */ 262 #define EM_V850 87 /* NEC v850 */ 263 #define EM_M32R 88 /* Mitsubishi M32R */ 264 #define EM_MN10300 89 /* Matsushita MN10300 */ 265 #define EM_MN10200 90 /* Matsushita MN10200 */ 266 #define EM_PJ 91 /* picoJava */ 267 #define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */ 268 #define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */ 269 #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ 270 /* Unofficial machine types follow */ 271 #define EM_ALPHA_EXP 36902 /* used by NetBSD/alpha; obsolete */ 272 #define EM_NUM 36903 273 274 /* 275 * Program Header 276 */ 277 typedef struct { 278 Elf32_Word p_type; /* entry type */ 279 Elf32_Off p_offset; /* offset */ 280 Elf32_Addr p_vaddr; /* virtual address */ 281 Elf32_Addr p_paddr; /* physical address */ 282 Elf32_Word p_filesz; /* file size */ 283 Elf32_Word p_memsz; /* memory size */ 284 Elf32_Word p_flags; /* flags */ 285 Elf32_Word p_align; /* memory & file alignment */ 286 } Elf32_Phdr; 287 288 /* p_type */ 289 #define PT_NULL 0 /* Program header table entry unused */ 290 #define PT_LOAD 1 /* Loadable program segment */ 291 #define PT_DYNAMIC 2 /* Dynamic linking information */ 292 #define PT_INTERP 3 /* Program interpreter */ 293 #define PT_NOTE 4 /* Auxiliary information */ 294 #define PT_SHLIB 5 /* Reserved, unspecified semantics */ 295 #define PT_PHDR 6 /* Entry for header table itself */ 296 #define PT_NUM 7 297 298 /* p_flags */ 299 #define PF_R 0x4 /* Segment is readable */ 300 #define PF_W 0x2 /* Segment is writable */ 301 #define PF_X 0x1 /* Segment is executable */ 302 303 #define PF_MASKOS 0x0ff00000 /* Opersting system specific values */ 304 #define PF_MASKPROC 0xf0000000 /* Processor-specific values */ 305 306 #define PT_LOPROC 0x70000000 /* Processor-specific range */ 307 #define PT_HIPROC 0x7fffffff 308 309 #define PT_MIPS_REGINFO 0x70000000 310 311 /* 312 * Section Headers 313 */ 314 typedef struct { 315 Elf32_Word sh_name; /* section name (.shstrtab index) */ 316 Elf32_Word sh_type; /* section type */ 317 Elf32_Word sh_flags; /* section flags */ 318 Elf32_Addr sh_addr; /* virtual address */ 319 Elf32_Off sh_offset; /* file offset */ 320 Elf32_Word sh_size; /* section size */ 321 Elf32_Word sh_link; /* link to another */ 322 Elf32_Word sh_info; /* misc info */ 323 Elf32_Word sh_addralign; /* memory alignment */ 324 Elf32_Word sh_entsize; /* table entry size */ 325 } Elf32_Shdr; 326 327 /* sh_type */ 328 #define SHT_NULL 0 /* Section header table entry unused */ 329 #define SHT_PROGBITS 1 /* Program information */ 330 #define SHT_SYMTAB 2 /* Symbol table */ 331 #define SHT_STRTAB 3 /* String table */ 332 #define SHT_RELA 4 /* Relocation information w/ addend */ 333 #define SHT_HASH 5 /* Symbol hash table */ 334 #define SHT_DYNAMIC 6 /* Dynamic linking information */ 335 #define SHT_NOTE 7 /* Auxiliary information */ 336 #define SHT_NOBITS 8 /* No space allocated in file image */ 337 #define SHT_REL 9 /* Relocation information w/o addend */ 338 #define SHT_SHLIB 10 /* Reserved, unspecified semantics */ 339 #define SHT_DYNSYM 11 /* Symbol table for dynamic linker */ 340 #define SHT_NUM 12 341 342 #define SHT_LOOS 0x60000000 /* Operating system specific range */ 343 #define SHT_HIOS 0x6fffffff 344 #define SHT_LOPROC 0x70000000 /* Processor-specific range */ 345 #define SHT_HIPROC 0x7fffffff 346 #define SHT_LOUSER 0x80000000 /* Application-specific range */ 347 #define SHT_HIUSER 0xffffffff 348 349 /* sh_flags */ 350 #define SHF_WRITE 0x1 /* Section contains writable data */ 351 #define SHF_ALLOC 0x2 /* Section occupies memory */ 352 #define SHF_EXECINSTR 0x4 /* Section contains executable insns */ 353 354 #define SHF_MASKOS 0x0f000000 /* Operating system specific values */ 355 #define SHF_MASKPROC 0xf0000000 /* Processor-specific values */ 356 357 /* 358 * Symbol Table 359 */ 360 typedef struct { 361 Elf32_Word st_name; /* Symbol name (.symtab index) */ 362 Elf32_Word st_value; /* value of symbol */ 363 Elf32_Word st_size; /* size of symbol */ 364 Elf_Byte st_info; /* type / binding attrs */ 365 Elf_Byte st_other; /* unused */ 366 Elf32_Half st_shndx; /* section index of symbol */ 367 } Elf32_Sym; 368 369 /* Symbol Table index of the undefined symbol */ 370 #define ELF_SYM_UNDEFINED 0 371 372 /* st_info: Symbol Bindings */ 373 #define STB_LOCAL 0 /* local symbol */ 374 #define STB_GLOBAL 1 /* global symbol */ 375 #define STB_WEAK 2 /* weakly defined global symbol */ 376 #define STB_NUM 3 377 378 #define STB_LOOS 10 /* Operating system specific range */ 379 #define STB_HIOS 12 380 #define STB_LOPROC 13 /* Processor-specific range */ 381 #define STB_HIPROC 15 382 383 /* st_info: Symbol Types */ 384 #define STT_NOTYPE 0 /* Type not specified */ 385 #define STT_OBJECT 1 /* Associated with a data object */ 386 #define STT_FUNC 2 /* Associated with a function */ 387 #define STT_SECTION 3 /* Associated with a section */ 388 #define STT_FILE 4 /* Associated with a file name */ 389 #define STT_NUM 5 390 391 #define STT_LOOS 10 /* Operating system specific range */ 392 #define STT_HIOS 12 393 #define STT_LOPROC 13 /* Processor-specific range */ 394 #define STT_HIPROC 15 395 396 /* st_info utility macros */ 397 #define ELF32_ST_BIND(info) ((Elf32_Word)(info) >> 4) 398 #define ELF32_ST_TYPE(info) ((Elf32_Word)(info) & 0xf) 399 #define ELF32_ST_INFO(bind,type) ((Elf_Byte)(((bind) << 4) | ((type) & 0xf))) 400 401 /* 402 * Special section indexes 403 */ 404 #define SHN_UNDEF 0 /* Undefined section */ 405 406 #define SHN_LORESERVE 0xff00 /* Reserved range */ 407 #define SHN_ABS 0xfff1 /* Absolute symbols */ 408 #define SHN_COMMON 0xfff2 /* Common symbols */ 409 #define SHN_HIRESERVE 0xffff 410 411 #define SHN_LOPROC 0xff00 /* Processor-specific range */ 412 #define SHN_HIPROC 0xff1f 413 #define SHN_LOOS 0xff20 /* Operating system specific range */ 414 #define SHN_HIOS 0xff3f 415 416 #define SHN_MIPS_ACOMMON 0xff00 417 #define SHN_MIPS_TEXT 0xff01 418 #define SHN_MIPS_DATA 0xff02 419 #define SHN_MIPS_SCOMMON 0xff03 420 421 /* 422 * Relocation Entries 423 */ 424 typedef struct { 425 Elf32_Word r_offset; /* where to do it */ 426 Elf32_Word r_info; /* index & type of relocation */ 427 } Elf32_Rel; 428 429 typedef struct { 430 Elf32_Word r_offset; /* where to do it */ 431 Elf32_Word r_info; /* index & type of relocation */ 432 Elf32_Sword r_addend; /* adjustment value */ 433 } Elf32_Rela; 434 435 /* r_info utility macros */ 436 #define ELF32_R_SYM(info) ((info) >> 8) 437 #define ELF32_R_TYPE(info) ((info) & 0xff) 438 #define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type)) 439 440 /* 441 * Dynamic Section structure array 442 */ 443 typedef struct { 444 Elf32_Word d_tag; /* entry tag value */ 445 union { 446 Elf32_Addr d_ptr; 447 Elf32_Word d_val; 448 } d_un; 449 } Elf32_Dyn; 450 451 /* d_tag */ 452 #define DT_NULL 0 /* Marks end of dynamic array */ 453 #define DT_NEEDED 1 /* Name of needed library (DT_STRTAB offset) */ 454 #define DT_PLTRELSZ 2 /* Size, in bytes, of relocations in PLT */ 455 #define DT_PLTGOT 3 /* Address of PLT and/or GOT */ 456 #define DT_HASH 4 /* Address of symbol hash table */ 457 #define DT_STRTAB 5 /* Address of string table */ 458 #define DT_SYMTAB 6 /* Address of symbol table */ 459 #define DT_RELA 7 /* Address of Rela relocation table */ 460 #define DT_RELASZ 8 /* Size, in bytes, of DT_RELA table */ 461 #define DT_RELAENT 9 /* Size, in bytes, of one DT_RELA entry */ 462 #define DT_STRSZ 10 /* Size, in bytes, of DT_STRTAB table */ 463 #define DT_SYMENT 11 /* Size, in bytes, of one DT_SYMTAB entry */ 464 #define DT_INIT 12 /* Address of initialization function */ 465 #define DT_FINI 13 /* Address of termination function */ 466 #define DT_SONAME 14 /* Shared object name (DT_STRTAB offset) */ 467 #define DT_RPATH 15 /* Library search path (DT_STRTAB offset) */ 468 #define DT_SYMBOLIC 16 /* Start symbol search within local object */ 469 #define DT_REL 17 /* Address of Rel relocation table */ 470 #define DT_RELSZ 18 /* Size, in bytes, of DT_REL table */ 471 #define DT_RELENT 19 /* Size, in bytes, of one DT_REL entry */ 472 #define DT_PLTREL 20 /* Type of PLT relocation entries */ 473 #define DT_DEBUG 21 /* Used for debugging; unspecified */ 474 #define DT_TEXTREL 22 /* Relocations might modify non-writable seg */ 475 #define DT_JMPREL 23 /* Address of relocations associated with PLT */ 476 #define DT_BIND_NOW 24 /* Process all relocations at load-time */ 477 #define DT_INIT_ARRAY 25 /* Address of initialization function array */ 478 #define DT_FINI_ARRAY 26 /* Size, in bytes, of DT_INIT_ARRAY array */ 479 #define DT_INIT_ARRAYSZ 27 /* Address of termination function array */ 480 #define DT_FINI_ARRAYSZ 28 /* Size, in bytes, of DT_FINI_ARRAY array*/ 481 #define DT_NUM 29 482 483 #define DT_LOOS 0x60000000 /* Operating system specific range */ 484 #define DT_HIOS 0x6fffffff 485 #define DT_LOPROC 0x70000000 /* Processor-specific range */ 486 #define DT_HIPROC 0x7fffffff 487 488 /* 489 * Auxiliary Vectors 490 */ 491 typedef struct { 492 Elf32_Word a_type; /* 32-bit id */ 493 Elf32_Word a_v; /* 32-bit id */ 494 } Aux32Info; 495 496 /* a_type */ 497 #define AT_NULL 0 /* Marks end of array */ 498 #define AT_IGNORE 1 /* No meaning, a_un is undefined */ 499 #define AT_EXECFD 2 /* Open file descriptor of object file */ 500 #define AT_PHDR 3 /* &phdr[0] */ 501 #define AT_PHENT 4 /* sizeof(phdr[0]) */ 502 #define AT_PHNUM 5 /* # phdr entries */ 503 #define AT_PAGESZ 6 /* PAGESIZE */ 504 #define AT_BASE 7 /* Interpreter base addr */ 505 #define AT_FLAGS 8 /* Processor flags */ 506 #define AT_ENTRY 9 /* Entry address of executable */ 507 #define AT_DCACHEBSIZE 10 /* Data cache block size */ 508 #define AT_ICACHEBSIZE 11 /* Instruction cache block size */ 509 #define AT_UCACHEBSIZE 12 /* Unified cache block size */ 510 511 /* Vendor specific */ 512 #define AT_MIPS_NOTELF 10 /* XXX a_val != 0 -> MIPS XCOFF executable */ 513 514 #define AT_SUN_UID 2000 /* euid */ 515 #define AT_SUN_RUID 2001 /* ruid */ 516 #define AT_SUN_GID 2002 /* egid */ 517 #define AT_SUN_RGID 2003 /* rgid */ 518 519 /* Solaris kernel specific */ 520 #define AT_SUN_LDELF 2004 /* dynamic linker's ELF header */ 521 #define AT_SUN_LDSHDR 2005 /* dynamic linker's section header */ 522 #define AT_SUN_LDNAME 2006 /* dynamic linker's name */ 523 #define AT_SUN_LPGSIZE 2007 /* large pagesize */ 524 525 /* Other information */ 526 #define AT_SUN_PLATFORM 2008 /* sysinfo(SI_PLATFORM) */ 527 #define AT_SUN_HWCAP 2009 /* process hardware capabilities */ 528 #define AT_SUN_IFLUSH 2010 /* do we need to flush the instruction cache? */ 529 #define AT_SUN_CPU 2011 /* CPU name */ 530 /* ibcs2 emulation band aid */ 531 #define AT_SUN_EMUL_ENTRY 2012 /* coff entry point */ 532 #define AT_SUN_EMUL_EXECFD 2013 /* coff file descriptor */ 533 /* Executable's fully resolved name */ 534 #define AT_SUN_EXECNAME 2014 535 536 /* 537 * Note Headers 538 */ 539 typedef struct { 540 Elf32_Word n_namesz; 541 Elf32_Word n_descsz; 542 Elf32_Word n_type; 543 } Elf32_Nhdr; 544 545 #define ELF_NOTE_TYPE_ABI_TAG 1 546 547 /* GNU-specific note name and description sizes */ 548 #define ELF_NOTE_ABI_NAMESZ 4 549 #define ELF_NOTE_ABI_DESCSZ 16 550 /* GNU-specific note name */ 551 #define ELF_NOTE_ABI_NAME "GNU\0" 552 553 /* GNU-specific OS/version value stuff */ 554 #define ELF_NOTE_ABI_OS_LINUX 0 555 #define ELF_NOTE_ABI_OS_HURD 1 556 #define ELF_NOTE_ABI_OS_SOLARIS 2 557 558 /* NetBSD-specific note type: Emulation name. desc is emul name string. */ 559 #define ELF_NOTE_TYPE_NETBSD_TAG 1 560 561 /* NetBSD-specific note name and description sizes */ 562 #define ELF_NOTE_NETBSD_NAMESZ 7 563 #define ELF_NOTE_NETBSD_DESCSZ 4 564 /* NetBSD-specific note name */ 565 #define ELF_NOTE_NETBSD_NAME "NetBSD\0\0" 566 567 #if defined(ELFSIZE) 568 #define CONCAT(x,y) __CONCAT(x,y) 569 #define ELFNAME(x) CONCAT(elf,CONCAT(ELFSIZE,CONCAT(_,x))) 570 #define ELFNAME2(x,y) CONCAT(x,CONCAT(_elf,CONCAT(ELFSIZE,CONCAT(_,y)))) 571 #define ELFNAMEEND(x) CONCAT(x,CONCAT(_elf,ELFSIZE)) 572 #define ELFDEFNNAME(x) CONCAT(ELF,CONCAT(ELFSIZE,CONCAT(_,x))) 573 #endif 574 575 /* 576 * Leo: This is actually from machine/elf_machdep.h 577 */ 578 #define ELF32_MACHDEP_ENDIANNESS ELFDATA2MSB 579 #define ELF32_MACHDEP_ID_CASES \ 580 case EM_68K: \ 581 break; 582 583 #define ELF64_MACHDEP_ENDIANNESS XXX /* break compilation */ 584 #define ELF64_MACHDEP_ID_CASES \ 585 /* no 64-bit ELF machine types supported */ 586 587 #define ARCH_ELFSIZE 32 /* MD native binary size */ 588 589 /* m68k relocation types */ 590 #define R_68K_NONE 0 591 #define R_68K_32 1 592 #define R_68K_16 2 593 #define R_68K_8 3 594 #define R_68K_PC32 4 595 #define R_68K_PC16 5 596 #define R_68K_PC8 6 597 #define R_68K_GOT32 7 598 #define R_68K_GOT16 8 599 #define R_68K_GOT8 9 600 #define R_68K_GOT32O 10 601 #define R_68K_GOT16O 11 602 #define R_68K_GOT8O 12 603 #define R_68K_PLT32 13 604 #define R_68K_PLT16 14 605 #define R_68K_PLT8 15 606 #define R_68K_PLT32O 16 607 #define R_68K_PLT16O 17 608 #define R_68K_PLT8O 18 609 #define R_68K_COPY 19 610 #define R_68K_GLOB_DAT 20 611 #define R_68K_JMP_SLOT 21 612 #define R_68K_RELATIVE 22 613 614 #define R_TYPE(name) __CONCAT(R_68K_,name) 615 616 #define Elf_Ehdr Elf32_Ehdr 617 #define Elf_Phdr Elf32_Phdr 618 #define Elf_Shdr Elf32_Shdr 619 #define Elf_Sym Elf32_Sym 620 #define Elf_Rel Elf32_Rel 621 #define Elf_Rela Elf32_Rela 622 #define Elf_Dyn Elf32_Dyn 623 #define Elf_Word Elf32_Word 624 #define Elf_Sword Elf32_Sword 625 #define Elf_Addr Elf32_Addr 626 #define Elf_Off Elf32_Off 627 #define Elf_Nhdr Elf32_Nhdr 628 629 #define ELF_R_SYM ELF32_R_SYM 630 #define ELF_R_TYPE ELF32_R_TYPE 631 #define ELFCLASS ELFCLASS32 632 633 #define ELF_ST_BIND ELF32_ST_BIND 634 #define ELF_ST_TYPE ELF32_ST_TYPE 635 #define ELF_ST_INFO ELF32_ST_INFO 636 637 #define AuxInfo Aux32Info 638 639 #ifdef _KERNEL 640 641 #define ELF_AUX_ENTRIES 8 /* Size of aux array passed to loader */ 642 #define ELF32_NO_ADDR (~(Elf32_Addr)0) /* Indicates addr. not yet filled in */ 643 #define ELF64_NO_ADDR (~(Elf64_Addr)0) /* Indicates addr. not yet filled in */ 644 645 #if defined(ELFSIZE) && (ELFSIZE == 64) 646 #define ELF_NO_ADDR ELF64_NO_ADDR 647 #elif defined(ELFSIZE) && (ELFSIZE == 32) 648 #define ELF_NO_ADDR ELF32_NO_ADDR 649 #endif 650 651 #if defined(ELFSIZE) 652 struct elf_args { 653 Elf_Addr arg_entry; /* program entry point */ 654 Elf_Addr arg_interp; /* Interpreter load address */ 655 Elf_Addr arg_phaddr; /* program header address */ 656 Elf_Addr arg_phentsize; /* Size of program header */ 657 Elf_Addr arg_phnum; /* Number of program headers */ 658 }; 659 #endif 660 661 #endif /* _KERNEL */ 662 663 #endif /* !_LIBTOS_EXEC_ELF_H_ */ 664
Indexes created Fri Sep 26 08:10:20 GMT 2025