exec_elf.h revision 1.2
1 /* $NetBSD: exec_elf.h,v 1.2 2001/10/11 07:07:42 leo 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 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 #ifndef _LIBTOS_EXEC_ELF_H_ 40 #define _LIBTOS_EXEC_ELF_H_ 41 42 /* 43 * The current ELF ABI specification is available at: 44 * http://www.sco.com/developer/gabi/ 45 * 46 * Current header definitions are in: 47 * http://www.sco.com/developer/gabi/latest/ch4.eheader.html 48 */ 49 50 /* 51 * Leo 10/10/2001: 52 * This is a copy of the file in sys/sys, but modified a bit to 53 * be used in a TOS/MiNT environment. I will probably trim it down 54 * in the near future. It is only used for loading kernels. 55 */ 56 #ifdef TOSTOOLS 57 typedef signed char __int8_t; 58 typedef unsigned char __uint8_t; 59 typedef short int __int16_t; 60 typedef unsigned short int __uint16_t; 61 typedef int __int32_t; 62 typedef unsigned int __uint32_t; 63 typedef long long int __int64_t; 64 typedef unsigned long long int __uint64_t; 65 #else 66 #include <machine/int_types.h> 67 #endif /* TOSTOOLS */ 68 69 typedef __uint8_t Elf_Byte; 70 71 typedef __uint32_t Elf32_Addr; 72 #define ELF32_FSZ_ADDR 4 73 typedef __uint32_t Elf32_Off; 74 #define ELF32_FSZ_OFF 4 75 typedef __int32_t Elf32_Sword; 76 #define ELF32_FSZ_SWORD 4 77 typedef __uint32_t Elf32_Word; 78 #define ELF32_FSZ_WORD 4 79 typedef __uint16_t Elf32_Half; 80 #define ELF32_FSZ_HALF 2 81 82 typedef __uint64_t Elf64_Addr; 83 #define ELF64_FSZ_ADDR 8 84 typedef __uint64_t Elf64_Off; 85 #define ELF64_FSZ_OFF 8 86 typedef __int32_t Elf64_Shalf; 87 #define ELF64_FSZ_SHALF 4 88 89 #ifdef __alpha__ 90 typedef __int64_t Elf64_Sword; 91 #define ELF64_FSZ_SWORD 8 92 typedef __uint64_t Elf64_Word; 93 #define ELF64_FSZ_WORD 8 94 #else 95 typedef __int32_t Elf64_Sword; 96 #define ELF64_FSZ_SWORD 4 97 typedef __uint32_t Elf64_Word; 98 #define ELF64_FSZ_WORD 4 99 #endif /* __alpha__ */ 100 101 typedef __int64_t Elf64_Sxword; 102 #define ELF64_FSZ_XWORD 8 103 typedef __uint64_t Elf64_Xword; 104 #define ELF64_FSZ_XWORD 8 105 typedef __uint32_t Elf64_Half; 106 #define ELF64_FSZ_HALF 4 107 typedef __uint16_t Elf64_Quarter; 108 #define ELF64_FSZ_QUARTER 2 109 110 /* 111 * ELF Header 112 */ 113 #define ELF_NIDENT 16 114 115 typedef struct { 116 unsigned char e_ident[ELF_NIDENT]; /* Id bytes */ 117 Elf32_Half e_type; /* file type */ 118 Elf32_Half e_machine; /* machine type */ 119 Elf32_Word e_version; /* version number */ 120 Elf32_Addr e_entry; /* entry point */ 121 Elf32_Off e_phoff; /* Program hdr offset */ 122 Elf32_Off e_shoff; /* Section hdr offset */ 123 Elf32_Word e_flags; /* Processor flags */ 124 Elf32_Half e_ehsize; /* sizeof ehdr */ 125 Elf32_Half e_phentsize; /* Program header entry size */ 126 Elf32_Half e_phnum; /* Number of program headers */ 127 Elf32_Half e_shentsize; /* Section header entry size */ 128 Elf32_Half e_shnum; /* Number of section headers */ 129 Elf32_Half e_shstrndx; /* String table index */ 130 } Elf32_Ehdr; 131 132 /* e_ident offsets */ 133 #define EI_MAG0 0 /* '\177' */ 134 #define EI_MAG1 1 /* 'E' */ 135 #define EI_MAG2 2 /* 'L' */ 136 #define EI_MAG3 3 /* 'F' */ 137 #define EI_CLASS 4 /* File class */ 138 #define EI_DATA 5 /* Data encoding */ 139 #define EI_VERSION 6 /* File version */ 140 #define EI_OSABI 7 /* Operating system/ABI identification */ 141 #define EI_ABIVERSION 8 /* ABI version */ 142 #define EI_PAD 9 /* Start of padding bytes up to EI_NIDENT*/ 143 144 /* e_ident[ELFMAG0,ELFMAG3] */ 145 #define ELFMAG0 0x7f 146 #define ELFMAG1 'E' 147 #define ELFMAG2 'L' 148 #define ELFMAG3 'F' 149 #define ELFMAG "\177ELF" 150 #define SELFMAG 4 151 152 /* e_ident[EI_CLASS] */ 153 #define ELFCLASSNONE 0 /* Invalid class */ 154 #define ELFCLASS32 1 /* 32-bit objects */ 155 #define ELFCLASS64 2 /* 64-bit objects */ 156 #define ELFCLASSNUM 3 157 158 /* e_ident[EI_DATA] */ 159 #define ELFDATANONE 0 /* Invalid data encoding */ 160 #define ELFDATA2LSB 1 /* 2's complement values, LSB first */ 161 #define ELFDATA2MSB 2 /* 2's complement values, MSB first */ 162 163 /* e_ident[EI_VERSION] */ 164 #define EV_NONE 0 /* Invalid version */ 165 #define EV_CURRENT 1 /* Current version */ 166 #define EV_NUM 2 167 168 /* e_ident[EI_OSABI] */ 169 #define ELFOSABI_SYSV 0 /* UNIX System V ABI */ 170 #define ELFOSABI_HPUX 1 /* HP-UX operating system */ 171 #define ELFOSABI_NETBSD 2 /* NetBSD */ 172 #define ELFOSABI_LINUX 3 /* GNU/Linux */ 173 #define ELFOSABI_HURD 4 /* GNU/Hurd */ 174 #define ELFOSABI_86OPEN 5 /* 86Open */ 175 #define ELFOSABI_SOLARIS 6 /* Solaris */ 176 #define ELFOSABI_MONTEREY 7 /* Monterey */ 177 #define ELFOSABI_IRIX 8 /* IRIX */ 178 #define ELFOSABI_FREEBSD 9 /* FreeBSD */ 179 #define ELFOSABI_TRU64 10 /* TRU64 UNIX */ 180 #define ELFOSABI_MODESTO 11 /* Novell Modesto */ 181 #define ELFOSABI_OPENBSD 12 /* OpenBSD */ 182 /* Unofficial OSABIs follow */ 183 #define ELFOSABI_ARM 97 /* ARM */ 184 #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ 185 186 /* e_type */ 187 #define ET_NONE 0 /* No file type */ 188 #define ET_REL 1 /* Relocatable file */ 189 #define ET_EXEC 2 /* Executable file */ 190 #define ET_DYN 3 /* Shared object file */ 191 #define ET_CORE 4 /* Core file */ 192 #define ET_NUM 5 193 194 #define ET_LOOS 0xfe00 /* Operating system specific range */ 195 #define ET_HIOS 0xfeff 196 #define ET_LOPROC 0xff00 /* Processor-specific range */ 197 #define ET_HIPROC 0xffff 198 199 /* e_machine */ 200 #define EM_NONE 0 /* No machine */ 201 #define EM_M32 1 /* AT&T WE 32100 */ 202 #define EM_SPARC 2 /* SPARC */ 203 #define EM_386 3 /* Intel 80386 */ 204 #define EM_68K 4 /* Motorola 68000 */ 205 #define EM_88K 5 /* Motorola 88000 */ 206 #define EM_486 6 /* Intel 80486 */ 207 #define EM_860 7 /* Intel 80860 */ 208 #define EM_MIPS 8 /* MIPS I Architecture */ 209 #define EM_S370 9 /* Amdahl UTS on System/370 */ 210 #define EM_MIPS_RS3_LE 10 /* MIPS RS3000 Little-endian */ 211 /* 11-14 - Reserved */ 212 #define EM_RS6000 11 /* IBM RS/6000 XXX reserved */ 213 #define EM_PARISC 15 /* Hewlett-Packard PA-RISC */ 214 #define EM_NCUBE 16 /* NCube XXX reserved */ 215 #define EM_VPP500 17 /* Fujitsu VPP500 */ 216 #define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */ 217 #define EM_960 19 /* Intel 80960 */ 218 #define EM_PPC 20 /* PowerPC */ 219 #define EM_PPC64 21 /* 64-bit PowerPC */ 220 /* 22-35 - Reserved */ 221 #define EM_V800 36 /* NEC V800 */ 222 #define EM_FR20 37 /* Fujitsu FR20 */ 223 #define EM_RH32 38 /* TRW RH-32 */ 224 #define EM_RCE 39 /* Motorola RCE */ 225 #define EM_ARM 40 /* Advanced RISC Machines ARM */ 226 #define EM_ALPHA 41 /* DIGITAL Alpha */ 227 #define EM_SH 42 /* Hitachi Super-H */ 228 #define EM_SPARCV9 43 /* SPARC Version 9 */ 229 #define EM_TRICORE 44 /* Siemens Tricore */ 230 #define EM_ARC 45 /* Argonaut RISC Core */ 231 #define EM_H8_300 46 /* Hitachi H8/300 */ 232 #define EM_H8_300H 47 /* Hitachi H8/300H */ 233 #define EM_H8S 48 /* Hitachi H8S */ 234 #define EM_H8_500 49 /* Hitachi H8/500 */ 235 #define EM_IA_64 50 /* Intel Merced Processor */ 236 #define EM_MIPS_X 51 /* Stanford MIPS-X */ 237 #define EM_COLDFIRE 52 /* Motorola Coldfire */ 238 #define EM_68HC12 53 /* Motorola MC68HC12 */ 239 #define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator */ 240 #define EM_PCP 55 /* Siemens PCP */ 241 #define EM_NCPU 56 /* Sony nCPU embedded RISC processor */ 242 #define EM_NDR1 57 /* Denso NDR1 microprocessor */ 243 #define EM_STARCORE 58 /* Motorola Star*Core processor */ 244 #define EM_ME16 59 /* Toyota ME16 processor */ 245 #define EM_ST100 60 /* STMicroelectronics ST100 processor */ 246 #define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded family processor */ 247 #define EM_X86_64 62 /* AMD x86-64 architecture */ 248 #define EM_PDSP 63 /* Sony DSP Processor */ 249 /* 64-65 - Reserved */ 250 #define EM_FX66 66 /* Siemens FX66 microcontroller */ 251 #define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */ 252 #define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */ 253 #define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */ 254 #define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */ 255 #define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */ 256 #define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */ 257 #define EM_SVX 73 /* Silicon Graphics SVx */ 258 #define EM_ST19 74 /* STMicroelectronics ST19 8-bit cpu */ 259 #define EM_VAX 75 /* Digital VAX */ 260 #define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */ 261 #define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded cpu */ 262 #define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */ 263 #define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */ 264 #define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */ 265 #define EM_HUANY 81 /* Harvard's machine-independent format */ 266 #define EM_PRISM 82 /* SiTera Prism */ 267 #define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */ 268 #define EM_FR30 84 /* Fujitsu FR30 */ 269 #define EM_D10V 85 /* Mitsubishi D10V */ 270 #define EM_D30V 86 /* Mitsubishi D30V */ 271 #define EM_V850 87 /* NEC v850 */ 272 #define EM_M32R 88 /* Mitsubishi M32R */ 273 #define EM_MN10300 89 /* Matsushita MN10300 */ 274 #define EM_MN10200 90 /* Matsushita MN10200 */ 275 #define EM_PJ 91 /* picoJava */ 276 #define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */ 277 #define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */ 278 #define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ 279 /* Unofficial machine types follow */ 280 #define EM_ALPHA_EXP 36902 /* used by NetBSD/alpha; obsolete */ 281 #define EM_NUM 36903 282 283 /* 284 * Program Header 285 */ 286 typedef struct { 287 Elf32_Word p_type; /* entry type */ 288 Elf32_Off p_offset; /* offset */ 289 Elf32_Addr p_vaddr; /* virtual address */ 290 Elf32_Addr p_paddr; /* physical address */ 291 Elf32_Word p_filesz; /* file size */ 292 Elf32_Word p_memsz; /* memory size */ 293 Elf32_Word p_flags; /* flags */ 294 Elf32_Word p_align; /* memory & file alignment */ 295 } Elf32_Phdr; 296 297 /* p_type */ 298 #define PT_NULL 0 /* Program header table entry unused */ 299 #define PT_LOAD 1 /* Loadable program segment */ 300 #define PT_DYNAMIC 2 /* Dynamic linking information */ 301 #define PT_INTERP 3 /* Program interpreter */ 302 #define PT_NOTE 4 /* Auxiliary information */ 303 #define PT_SHLIB 5 /* Reserved, unspecified semantics */ 304 #define PT_PHDR 6 /* Entry for header table itself */ 305 #define PT_NUM 7 306 307 /* p_flags */ 308 #define PF_R 0x4 /* Segment is readable */ 309 #define PF_W 0x2 /* Segment is writable */ 310 #define PF_X 0x1 /* Segment is executable */ 311 312 #define PF_MASKOS 0x0ff00000 /* Opersting system specific values */ 313 #define PF_MASKPROC 0xf0000000 /* Processor-specific values */ 314 315 #define PT_LOPROC 0x70000000 /* Processor-specific range */ 316 #define PT_HIPROC 0x7fffffff 317 318 #define PT_MIPS_REGINFO 0x70000000 319 320 /* 321 * Section Headers 322 */ 323 typedef struct { 324 Elf32_Word sh_name; /* section name (.shstrtab index) */ 325 Elf32_Word sh_type; /* section type */ 326 Elf32_Word sh_flags; /* section flags */ 327 Elf32_Addr sh_addr; /* virtual address */ 328 Elf32_Off sh_offset; /* file offset */ 329 Elf32_Word sh_size; /* section size */ 330 Elf32_Word sh_link; /* link to another */ 331 Elf32_Word sh_info; /* misc info */ 332 Elf32_Word sh_addralign; /* memory alignment */ 333 Elf32_Word sh_entsize; /* table entry size */ 334 } Elf32_Shdr; 335 336 /* sh_type */ 337 #define SHT_NULL 0 /* Section header table entry unused */ 338 #define SHT_PROGBITS 1 /* Program information */ 339 #define SHT_SYMTAB 2 /* Symbol table */ 340 #define SHT_STRTAB 3 /* String table */ 341 #define SHT_RELA 4 /* Relocation information w/ addend */ 342 #define SHT_HASH 5 /* Symbol hash table */ 343 #define SHT_DYNAMIC 6 /* Dynamic linking information */ 344 #define SHT_NOTE 7 /* Auxiliary information */ 345 #define SHT_NOBITS 8 /* No space allocated in file image */ 346 #define SHT_REL 9 /* Relocation information w/o addend */ 347 #define SHT_SHLIB 10 /* Reserved, unspecified semantics */ 348 #define SHT_DYNSYM 11 /* Symbol table for dynamic linker */ 349 #define SHT_NUM 12 350 351 #define SHT_LOOS 0x60000000 /* Operating system specific range */ 352 #define SHT_HIOS 0x6fffffff 353 #define SHT_LOPROC 0x70000000 /* Processor-specific range */ 354 #define SHT_HIPROC 0x7fffffff 355 #define SHT_LOUSER 0x80000000 /* Application-specific range */ 356 #define SHT_HIUSER 0xffffffff 357 358 /* sh_flags */ 359 #define SHF_WRITE 0x1 /* Section contains writable data */ 360 #define SHF_ALLOC 0x2 /* Section occupies memory */ 361 #define SHF_EXECINSTR 0x4 /* Section contains executable insns */ 362 363 #define SHF_MASKOS 0x0f000000 /* Operating system specific values */ 364 #define SHF_MASKPROC 0xf0000000 /* Processor-specific values */ 365 366 /* 367 * Symbol Table 368 */ 369 typedef struct { 370 Elf32_Word st_name; /* Symbol name (.symtab index) */ 371 Elf32_Word st_value; /* value of symbol */ 372 Elf32_Word st_size; /* size of symbol */ 373 Elf_Byte st_info; /* type / binding attrs */ 374 Elf_Byte st_other; /* unused */ 375 Elf32_Half st_shndx; /* section index of symbol */ 376 } Elf32_Sym; 377 378 /* Symbol Table index of the undefined symbol */ 379 #define ELF_SYM_UNDEFINED 0 380 381 /* st_info: Symbol Bindings */ 382 #define STB_LOCAL 0 /* local symbol */ 383 #define STB_GLOBAL 1 /* global symbol */ 384 #define STB_WEAK 2 /* weakly defined global symbol */ 385 #define STB_NUM 3 386 387 #define STB_LOOS 10 /* Operating system specific range */ 388 #define STB_HIOS 12 389 #define STB_LOPROC 13 /* Processor-specific range */ 390 #define STB_HIPROC 15 391 392 /* st_info: Symbol Types */ 393 #define STT_NOTYPE 0 /* Type not specified */ 394 #define STT_OBJECT 1 /* Associated with a data object */ 395 #define STT_FUNC 2 /* Associated with a function */ 396 #define STT_SECTION 3 /* Associated with a section */ 397 #define STT_FILE 4 /* Associated with a file name */ 398 #define STT_NUM 5 399 400 #define STT_LOOS 10 /* Operating system specific range */ 401 #define STT_HIOS 12 402 #define STT_LOPROC 13 /* Processor-specific range */ 403 #define STT_HIPROC 15 404 405 /* st_info utility macros */ 406 #define ELF32_ST_BIND(info) ((Elf32_Word)(info) >> 4) 407 #define ELF32_ST_TYPE(info) ((Elf32_Word)(info) & 0xf) 408 #define ELF32_ST_INFO(bind,type) ((Elf_Byte)(((bind) << 4) | ((type) & 0xf))) 409 410 /* 411 * Special section indexes 412 */ 413 #define SHN_UNDEF 0 /* Undefined section */ 414 415 #define SHN_LORESERVE 0xff00 /* Reserved range */ 416 #define SHN_ABS 0xfff1 /* Absolute symbols */ 417 #define SHN_COMMON 0xfff2 /* Common symbols */ 418 #define SHN_HIRESERVE 0xffff 419 420 #define SHN_LOPROC 0xff00 /* Processor-specific range */ 421 #define SHN_HIPROC 0xff1f 422 #define SHN_LOOS 0xff20 /* Operating system specific range */ 423 #define SHN_HIOS 0xff3f 424 425 #define SHN_MIPS_ACOMMON 0xff00 426 #define SHN_MIPS_TEXT 0xff01 427 #define SHN_MIPS_DATA 0xff02 428 #define SHN_MIPS_SCOMMON 0xff03 429 430 /* 431 * Relocation Entries 432 */ 433 typedef struct { 434 Elf32_Word r_offset; /* where to do it */ 435 Elf32_Word r_info; /* index & type of relocation */ 436 } Elf32_Rel; 437 438 typedef struct { 439 Elf32_Word r_offset; /* where to do it */ 440 Elf32_Word r_info; /* index & type of relocation */ 441 Elf32_Sword r_addend; /* adjustment value */ 442 } Elf32_Rela; 443 444 /* r_info utility macros */ 445 #define ELF32_R_SYM(info) ((info) >> 8) 446 #define ELF32_R_TYPE(info) ((info) & 0xff) 447 #define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type)) 448 449 /* 450 * Dynamic Section structure array 451 */ 452 typedef struct { 453 Elf32_Word d_tag; /* entry tag value */ 454 union { 455 Elf32_Addr d_ptr; 456 Elf32_Word d_val; 457 } d_un; 458 } Elf32_Dyn; 459 460 /* d_tag */ 461 #define DT_NULL 0 /* Marks end of dynamic array */ 462 #define DT_NEEDED 1 /* Name of needed library (DT_STRTAB offset) */ 463 #define DT_PLTRELSZ 2 /* Size, in bytes, of relocations in PLT */ 464 #define DT_PLTGOT 3 /* Address of PLT and/or GOT */ 465 #define DT_HASH 4 /* Address of symbol hash table */ 466 #define DT_STRTAB 5 /* Address of string table */ 467 #define DT_SYMTAB 6 /* Address of symbol table */ 468 #define DT_RELA 7 /* Address of Rela relocation table */ 469 #define DT_RELASZ 8 /* Size, in bytes, of DT_RELA table */ 470 #define DT_RELAENT 9 /* Size, in bytes, of one DT_RELA entry */ 471 #define DT_STRSZ 10 /* Size, in bytes, of DT_STRTAB table */ 472 #define DT_SYMENT 11 /* Size, in bytes, of one DT_SYMTAB entry */ 473 #define DT_INIT 12 /* Address of initialization function */ 474 #define DT_FINI 13 /* Address of termination function */ 475 #define DT_SONAME 14 /* Shared object name (DT_STRTAB offset) */ 476 #define DT_RPATH 15 /* Library search path (DT_STRTAB offset) */ 477 #define DT_SYMBOLIC 16 /* Start symbol search within local object */ 478 #define DT_REL 17 /* Address of Rel relocation table */ 479 #define DT_RELSZ 18 /* Size, in bytes, of DT_REL table */ 480 #define DT_RELENT 19 /* Size, in bytes, of one DT_REL entry */ 481 #define DT_PLTREL 20 /* Type of PLT relocation entries */ 482 #define DT_DEBUG 21 /* Used for debugging; unspecified */ 483 #define DT_TEXTREL 22 /* Relocations might modify non-writable seg */ 484 #define DT_JMPREL 23 /* Address of relocations associated with PLT */ 485 #define DT_BIND_NOW 24 /* Process all relocations at load-time */ 486 #define DT_INIT_ARRAY 25 /* Address of initialization function array */ 487 #define DT_FINI_ARRAY 26 /* Size, in bytes, of DT_INIT_ARRAY array */ 488 #define DT_INIT_ARRAYSZ 27 /* Address of termination function array */ 489 #define DT_FINI_ARRAYSZ 28 /* Size, in bytes, of DT_FINI_ARRAY array*/ 490 #define DT_NUM 29 491 492 #define DT_LOOS 0x60000000 /* Operating system specific range */ 493 #define DT_HIOS 0x6fffffff 494 #define DT_LOPROC 0x70000000 /* Processor-specific range */ 495 #define DT_HIPROC 0x7fffffff 496 497 /* 498 * Auxiliary Vectors 499 */ 500 typedef struct { 501 Elf32_Word a_type; /* 32-bit id */ 502 Elf32_Word a_v; /* 32-bit id */ 503 } Aux32Info; 504 505 /* a_type */ 506 #define AT_NULL 0 /* Marks end of array */ 507 #define AT_IGNORE 1 /* No meaning, a_un is undefined */ 508 #define AT_EXECFD 2 /* Open file descriptor of object file */ 509 #define AT_PHDR 3 /* &phdr[0] */ 510 #define AT_PHENT 4 /* sizeof(phdr[0]) */ 511 #define AT_PHNUM 5 /* # phdr entries */ 512 #define AT_PAGESZ 6 /* PAGESIZE */ 513 #define AT_BASE 7 /* Interpreter base addr */ 514 #define AT_FLAGS 8 /* Processor flags */ 515 #define AT_ENTRY 9 /* Entry address of executable */ 516 #define AT_DCACHEBSIZE 10 /* Data cache block size */ 517 #define AT_ICACHEBSIZE 11 /* Instruction cache block size */ 518 #define AT_UCACHEBSIZE 12 /* Unified cache block size */ 519 520 /* Vendor specific */ 521 #define AT_MIPS_NOTELF 10 /* XXX a_val != 0 -> MIPS XCOFF executable */ 522 523 #define AT_SUN_UID 2000 /* euid */ 524 #define AT_SUN_RUID 2001 /* ruid */ 525 #define AT_SUN_GID 2002 /* egid */ 526 #define AT_SUN_RGID 2003 /* rgid */ 527 528 /* Solaris kernel specific */ 529 #define AT_SUN_LDELF 2004 /* dynamic linker's ELF header */ 530 #define AT_SUN_LDSHDR 2005 /* dynamic linker's section header */ 531 #define AT_SUN_LDNAME 2006 /* dynamic linker's name */ 532 #define AT_SUN_LPGSIZE 2007 /* large pagesize */ 533 534 /* Other information */ 535 #define AT_SUN_PLATFORM 2008 /* sysinfo(SI_PLATFORM) */ 536 #define AT_SUN_HWCAP 2009 /* process hardware capabilities */ 537 #define AT_SUN_IFLUSH 2010 /* do we need to flush the instruction cache? */ 538 #define AT_SUN_CPU 2011 /* cpu name */ 539 /* ibcs2 emulation band aid */ 540 #define AT_SUN_EMUL_ENTRY 2012 /* coff entry point */ 541 #define AT_SUN_EMUL_EXECFD 2013 /* coff file descriptor */ 542 /* Executable's fully resolved name */ 543 #define AT_SUN_EXECNAME 2014 544 545 /* 546 * Note Headers 547 */ 548 typedef struct { 549 Elf32_Word n_namesz; 550 Elf32_Word n_descsz; 551 Elf32_Word n_type; 552 } Elf32_Nhdr; 553 554 #define ELF_NOTE_TYPE_ABI_TAG 1 555 556 /* GNU-specific note name and description sizes */ 557 #define ELF_NOTE_ABI_NAMESZ 4 558 #define ELF_NOTE_ABI_DESCSZ 16 559 /* GNU-specific note name */ 560 #define ELF_NOTE_ABI_NAME "GNU\0" 561 562 /* GNU-specific OS/version value stuff */ 563 #define ELF_NOTE_ABI_OS_LINUX 0 564 #define ELF_NOTE_ABI_OS_HURD 1 565 #define ELF_NOTE_ABI_OS_SOLARIS 2 566 567 /* NetBSD-specific note type: Emulation name. desc is emul name string. */ 568 #define ELF_NOTE_TYPE_NETBSD_TAG 1 569 570 /* NetBSD-specific note name and description sizes */ 571 #define ELF_NOTE_NETBSD_NAMESZ 7 572 #define ELF_NOTE_NETBSD_DESCSZ 4 573 /* NetBSD-specific note name */ 574 #define ELF_NOTE_NETBSD_NAME "NetBSD\0\0" 575 576 #if defined(ELFSIZE) 577 #define CONCAT(x,y) __CONCAT(x,y) 578 #define ELFNAME(x) CONCAT(elf,CONCAT(ELFSIZE,CONCAT(_,x))) 579 #define ELFNAME2(x,y) CONCAT(x,CONCAT(_elf,CONCAT(ELFSIZE,CONCAT(_,y)))) 580 #define ELFNAMEEND(x) CONCAT(x,CONCAT(_elf,ELFSIZE)) 581 #define ELFDEFNNAME(x) CONCAT(ELF,CONCAT(ELFSIZE,CONCAT(_,x))) 582 #endif 583 584 /* 585 * Leo: This is actually from machine/elf_machdep.h 586 */ 587 #define ELF32_MACHDEP_ENDIANNESS ELFDATA2MSB 588 #define ELF32_MACHDEP_ID_CASES \ 589 case EM_68K: \ 590 break; 591 592 #define ELF64_MACHDEP_ENDIANNESS XXX /* break compilation */ 593 #define ELF64_MACHDEP_ID_CASES \ 594 /* no 64-bit ELF machine types supported */ 595 596 #define ARCH_ELFSIZE 32 /* MD native binary size */ 597 598 /* m68k relocation types */ 599 #define R_68K_NONE 0 600 #define R_68K_32 1 601 #define R_68K_16 2 602 #define R_68K_8 3 603 #define R_68K_PC32 4 604 #define R_68K_PC16 5 605 #define R_68K_PC8 6 606 #define R_68K_GOT32 7 607 #define R_68K_GOT16 8 608 #define R_68K_GOT8 9 609 #define R_68K_GOT32O 10 610 #define R_68K_GOT16O 11 611 #define R_68K_GOT8O 12 612 #define R_68K_PLT32 13 613 #define R_68K_PLT16 14 614 #define R_68K_PLT8 15 615 #define R_68K_PLT32O 16 616 #define R_68K_PLT16O 17 617 #define R_68K_PLT8O 18 618 #define R_68K_COPY 19 619 #define R_68K_GLOB_DAT 20 620 #define R_68K_JMP_SLOT 21 621 #define R_68K_RELATIVE 22 622 623 #define R_TYPE(name) __CONCAT(R_68K_,name) 624 625 #define Elf_Ehdr Elf32_Ehdr 626 #define Elf_Phdr Elf32_Phdr 627 #define Elf_Shdr Elf32_Shdr 628 #define Elf_Sym Elf32_Sym 629 #define Elf_Rel Elf32_Rel 630 #define Elf_Rela Elf32_Rela 631 #define Elf_Dyn Elf32_Dyn 632 #define Elf_Word Elf32_Word 633 #define Elf_Sword Elf32_Sword 634 #define Elf_Addr Elf32_Addr 635 #define Elf_Off Elf32_Off 636 #define Elf_Nhdr Elf32_Nhdr 637 638 #define ELF_R_SYM ELF32_R_SYM 639 #define ELF_R_TYPE ELF32_R_TYPE 640 #define ELFCLASS ELFCLASS32 641 642 #define ELF_ST_BIND ELF32_ST_BIND 643 #define ELF_ST_TYPE ELF32_ST_TYPE 644 #define ELF_ST_INFO ELF32_ST_INFO 645 646 #define AuxInfo Aux32Info 647 648 #ifdef _KERNEL 649 650 #define ELF_AUX_ENTRIES 8 /* Size of aux array passed to loader */ 651 #define ELF32_NO_ADDR (~(Elf32_Addr)0) /* Indicates addr. not yet filled in */ 652 #define ELF64_NO_ADDR (~(Elf64_Addr)0) /* Indicates addr. not yet filled in */ 653 654 #if defined(ELFSIZE) && (ELFSIZE == 64) 655 #define ELF_NO_ADDR ELF64_NO_ADDR 656 #elif defined(ELFSIZE) && (ELFSIZE == 32) 657 #define ELF_NO_ADDR ELF32_NO_ADDR 658 #endif 659 660 #if defined(ELFSIZE) 661 struct elf_args { 662 Elf_Addr arg_entry; /* program entry point */ 663 Elf_Addr arg_interp; /* Interpreter load address */ 664 Elf_Addr arg_phaddr; /* program header address */ 665 Elf_Addr arg_phentsize; /* Size of program header */ 666 Elf_Addr arg_phnum; /* Number of program headers */ 667 }; 668 #endif 669 670 #endif /* _KERNEL */ 671 672 #endif /* !_LIBTOS_EXEC_ELF_H_ */ 673
Indexes created Wed Sep 24 22:09:59 GMT 2025