185909Simp/* $NetBSD: exec_elf.h,v 1.8 2020/10/10 21:25:51 thorpej Exp $ */ 285909Simp 3122116Sbde/*- 4122116Sbde * Copyright (c) 1994 The NetBSD Foundation, Inc. 5122116Sbde * All rights reserved. 685909Simp * 785909Simp * This code is derived from software contributed to The NetBSD Foundation 885909Simp * by Christos Zoulas. 985909Simp * 1085909Simp * Redistribution and use in source and binary forms, with or without 1185909Simp * modification, are permitted provided that the following conditions 1285909Simp * are met: 1391512Sobrien * 1. Redistributions of source code must retain the above copyright 14116341Smarkm * notice, this list of conditions and the following disclaimer. 1585909Simp * 2. Redistributions in binary form must reproduce the above copyright 1685909Simp * notice, this list of conditions and the following disclaimer in the 1785909Simp * documentation and/or other materials provided with the distribution. 1885909Simp * 19126890Strhodes * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20126890Strhodes * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21126890Strhodes * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22127543Skensmith * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23127204Sobrien * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24127259Smarcel * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25127259Smarcel * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26127543Skensmith * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27127543Skensmith * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28127204Sobrien * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 2985909Simp * POSSIBILITY OF SUCH DAMAGE. 30127204Sobrien */ 31126890Strhodes 32124834Sru#ifndef _LIBTOS_EXEC_ELF_H_ 33126890Strhodes#define _LIBTOS_EXEC_ELF_H_ 34124834Sru 3585909Simp/* 36126890Strhodes * The current ELF ABI specification is available at: 37126890Strhodes * http://www.sco.com/developer/gabi/ 38126890Strhodes * 3985909Simp * Current header definitions are in: 40126890Strhodes * http://www.sco.com/developer/gabi/latest/ch4.eheader.html 4185909Simp */ 42126890Strhodes 43126890Strhodes/* 44126890Strhodes * Leo 10/10/2001: 45126890Strhodes * This is a copy of the file in sys/sys, but modified a bit to 46126890Strhodes * be used in a TOS/MiNT environment. I will probably trim it down 4785909Simp * in the near future. It is only used for loading kernels. 48126890Strhodes */ 49126890Strhodes#ifdef TOSTOOLS 50126938Strhodestypedef signed char __int8_t; 5185909Simptypedef unsigned char __uint8_t; 5285909Simptypedef short int __int16_t; 5385909Simptypedef unsigned short int __uint16_t; 54130416Smlaiertypedef int __int32_t; 55130416Smlaiertypedef unsigned int __uint32_t; 56130416Smlaiertypedef long long int __int64_t; 5785909Simptypedef unsigned long long int __uint64_t; 5885909Simp#else 5985909Simp#include <machine/int_types.h> 60126263Smlaier#endif /* TOSTOOLS */ 61126263Smlaier 62126263Smlaiertypedef __uint8_t Elf_Byte; 63116817Ssam 64116817Ssamtypedef __uint32_t Elf32_Addr; 65116817Ssam#define ELF32_FSZ_ADDR 4 66121613Shartitypedef __uint32_t Elf32_Off; 67121613Sharti#define ELF32_FSZ_OFF 4 68121613Shartitypedef __int32_t Elf32_Sword; 6999932Sbde#define ELF32_FSZ_SWORD 4 70122116Sbdetypedef __uint32_t Elf32_Word; 71126890Strhodes#define ELF32_FSZ_WORD 4 72124834Srutypedef __uint16_t Elf32_Half; 73122116Sbde#define ELF32_FSZ_HALF 2 74126890Strhodes 7585909Simptypedef __uint64_t Elf64_Addr; 7685909Simp#define ELF64_FSZ_ADDR 8 7785909Simptypedef __uint64_t Elf64_Off; 7885909Simp#define ELF64_FSZ_OFF 8 7999923Sbde 80126938Strhodes#ifdef __alpha__ 81126938Strhodestypedef __int64_t Elf64_Sword; 82126938Strhodes#define ELF64_FSZ_SWORD 8 8399932Sbdetypedef __uint64_t Elf64_Word; 84126938Strhodes#define ELF64_FSZ_WORD 8 8599932Sbde#else 8699932Sbdetypedef __int32_t Elf64_Sword; 87126890Strhodes#define ELF64_FSZ_SWORD 4 88126890Strhodestypedef __uint32_t Elf64_Word; 89126890Strhodes#define ELF64_FSZ_WORD 4 90126890Strhodes#endif /* __alpha__ */ 91123989Sbde 92126890Strhodestypedef __int64_t Elf64_Sxword; 9399932Sbde#define ELF64_FSZ_XWORD 8 94126890Strhodestypedef __uint64_t Elf64_Xword; 95126890Strhodes#define ELF64_FSZ_XWORD 8 96126890Strhodestypedef __uint16_t Elf64_Half; 9799923Sbde#define ELF64_FSZ_HALF 2 98126890Strhodes 9999923Sbde/* 10099932Sbde * ELF Header 10185909Simp */ 10291002Speter#define ELF_NIDENT 16 10385909Simp 10485909Simptypedef struct { 10585909Simp unsigned char e_ident[ELF_NIDENT]; /* Id bytes */ 10685909Simp Elf32_Half e_type; /* file type */ 107116341Smarkm Elf32_Half e_machine; /* machine type */ 108116341Smarkm Elf32_Word e_version; /* version number */ 109116341Smarkm Elf32_Addr e_entry; /* entry point */ 11091002Speter Elf32_Off e_phoff; /* Program hdr offset */ 11191002Speter Elf32_Off e_shoff; /* Section hdr offset */ 11291002Speter Elf32_Word e_flags; /* Processor flags */ 113105489Smux Elf32_Half e_ehsize; /* sizeof ehdr */ 11485909Simp Elf32_Half e_phentsize; /* Program header entry size */ 115105462Smux Elf32_Half e_phnum; /* Number of program headers */ 116105462Smux Elf32_Half e_shentsize; /* Section header entry size */ 11785909Simp Elf32_Half e_shnum; /* Number of section headers */ 118116341Smarkm Elf32_Half e_shstrndx; /* String table index */ 119116341Smarkm} Elf32_Ehdr; 120131210Simp 121111684Sru/* e_ident offsets */ 12285909Simp#define EI_MAG0 0 /* '\177' */ 123111684Sru#define EI_MAG1 1 /* 'E' */ 124111684Sru#define EI_MAG2 2 /* 'L' */ 125111684Sru#define EI_MAG3 3 /* 'F' */ 126123966Sbde#define EI_CLASS 4 /* File class */ 12789180Smsmith#define EI_DATA 5 /* Data encoding */ 12885909Simp#define EI_VERSION 6 /* File version */ 12985909Simp#define EI_OSABI 7 /* Operating system/ABI identification */ 130123966Sbde#define EI_ABIVERSION 8 /* ABI version */ 13185909Simp#define EI_PAD 9 /* Start of padding bytes up to EI_NIDENT*/ 13285909Simp 13388893Simp/* e_ident[ELFMAG0,ELFMAG3] */ 13488893Simp#define ELFMAG0 0x7f 13588893Simp#define ELFMAG1 'E' 13688893Simp#define ELFMAG2 'L' 13790789Sphk#define ELFMAG3 'F' 13890789Sphk#define ELFMAG "\177ELF" 13990789Sphk#define SELFMAG 4 14088893Simp 14188893Simp/* e_ident[EI_CLASS] */ 14288893Simp#define ELFCLASSNONE 0 /* Invalid class */ 14388893Simp#define ELFCLASS32 1 /* 32-bit objects */ 144125772Sru#define ELFCLASS64 2 /* 64-bit objects */ 14588893Simp#define ELFCLASSNUM 3 146 147/* e_ident[EI_DATA] */ 148#define ELFDATANONE 0 /* Invalid data encoding */ 149#define ELFDATA2LSB 1 /* 2's complement values, LSB first */ 150#define ELFDATA2MSB 2 /* 2's complement values, MSB first */ 151 152/* e_ident[EI_VERSION] */ 153#define EV_NONE 0 /* Invalid version */ 154#define EV_CURRENT 1 /* Current version */ 155#define EV_NUM 2 156 157/* e_ident[EI_OSABI] */ 158#define ELFOSABI_SYSV 0 /* UNIX System V ABI */ 159#define ELFOSABI_HPUX 1 /* HP-UX operating system */ 160#define ELFOSABI_NETBSD 2 /* NetBSD */ 161#define ELFOSABI_LINUX 3 /* GNU/Linux */ 162#define ELFOSABI_HURD 4 /* GNU/Hurd */ 163#define ELFOSABI_86OPEN 5 /* 86Open */ 164#define ELFOSABI_SOLARIS 6 /* Solaris */ 165#define ELFOSABI_MONTEREY 7 /* Monterey */ 166#define ELFOSABI_IRIX 8 /* IRIX */ 167#define ELFOSABI_FREEBSD 9 /* FreeBSD */ 168#define ELFOSABI_TRU64 10 /* TRU64 UNIX */ 169#define ELFOSABI_MODESTO 11 /* Novell Modesto */ 170#define ELFOSABI_OPENBSD 12 /* OpenBSD */ 171/* Unofficial OSABIs follow */ 172#define ELFOSABI_ARM 97 /* ARM */ 173#define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */ 174 175/* e_type */ 176#define ET_NONE 0 /* No file type */ 177#define ET_REL 1 /* Relocatable file */ 178#define ET_EXEC 2 /* Executable file */ 179#define ET_DYN 3 /* Shared object file */ 180#define ET_CORE 4 /* Core file */ 181#define ET_NUM 5 182 183#define ET_LOOS 0xfe00 /* Operating system specific range */ 184#define ET_HIOS 0xfeff 185#define ET_LOPROC 0xff00 /* Processor-specific range */ 186#define ET_HIPROC 0xffff 187 188/* e_machine */ 189#define EM_NONE 0 /* No machine */ 190#define EM_M32 1 /* AT&T WE 32100 */ 191#define EM_SPARC 2 /* SPARC */ 192#define EM_386 3 /* Intel 80386 */ 193#define EM_68K 4 /* Motorola 68000 */ 194#define EM_88K 5 /* Motorola 88000 */ 195#define EM_486 6 /* Intel 80486 */ 196#define EM_860 7 /* Intel 80860 */ 197#define EM_MIPS 8 /* MIPS I Architecture */ 198#define EM_S370 9 /* Amdahl UTS on System/370 */ 199#define EM_MIPS_RS3_LE 10 /* MIPS RS3000 Little-endian */ 200 /* 11-14 - Reserved */ 201#define EM_RS6000 11 /* IBM RS/6000 XXX reserved */ 202#define EM_PARISC 15 /* Hewlett-Packard PA-RISC */ 203#define EM_NCUBE 16 /* NCube XXX reserved */ 204#define EM_VPP500 17 /* Fujitsu VPP500 */ 205#define EM_SPARC32PLUS 18 /* Enhanced instruction set SPARC */ 206#define EM_960 19 /* Intel 80960 */ 207#define EM_PPC 20 /* PowerPC */ 208#define EM_PPC64 21 /* 64-bit PowerPC */ 209 /* 22-35 - Reserved */ 210#define EM_V800 36 /* NEC V800 */ 211#define EM_FR20 37 /* Fujitsu FR20 */ 212#define EM_RH32 38 /* TRW RH-32 */ 213#define EM_RCE 39 /* Motorola RCE */ 214#define EM_ARM 40 /* Advanced RISC Machines ARM */ 215#define EM_OLD_ALPHA 41 /* DIGITAL Alpha (obsolete) */ 216#define EM_SH 42 /* Hitachi Super-H */ 217#define EM_SPARCV9 43 /* SPARC Version 9 */ 218#define EM_TRICORE 44 /* Siemens Tricore */ 219#define EM_ARC 45 /* Argonaut RISC Core */ 220#define EM_H8_300 46 /* Hitachi H8/300 */ 221#define EM_H8_300H 47 /* Hitachi H8/300H */ 222#define EM_H8S 48 /* Hitachi H8S */ 223#define EM_H8_500 49 /* Hitachi H8/500 */ 224#define EM_IA_64 50 /* Intel Merced Processor */ 225#define EM_MIPS_X 51 /* Stanford MIPS-X */ 226#define EM_COLDFIRE 52 /* Motorola Coldfire */ 227#define EM_68HC12 53 /* Motorola MC68HC12 */ 228#define EM_MMA 54 /* Fujitsu MMA Multimedia Accelerator */ 229#define EM_PCP 55 /* Siemens PCP */ 230#define EM_NCPU 56 /* Sony nCPU embedded RISC processor */ 231#define EM_NDR1 57 /* Denso NDR1 microprocessor */ 232#define EM_STARCORE 58 /* Motorola Star*Core processor */ 233#define EM_ME16 59 /* Toyota ME16 processor */ 234#define EM_ST100 60 /* STMicroelectronics ST100 processor */ 235#define EM_TINYJ 61 /* Advanced Logic Corp. TinyJ embedded family processor */ 236#define EM_X86_64 62 /* AMD x86-64 architecture */ 237#define EM_PDSP 63 /* Sony DSP Processor */ 238 /* 64-65 - Reserved */ 239#define EM_FX66 66 /* Siemens FX66 microcontroller */ 240#define EM_ST9PLUS 67 /* STMicroelectronics ST9+ 8/16 bit microcontroller */ 241#define EM_ST7 68 /* STMicroelectronics ST7 8-bit microcontroller */ 242#define EM_68HC16 69 /* Motorola MC68HC16 Microcontroller */ 243#define EM_68HC11 70 /* Motorola MC68HC11 Microcontroller */ 244#define EM_68HC08 71 /* Motorola MC68HC08 Microcontroller */ 245#define EM_68HC05 72 /* Motorola MC68HC05 Microcontroller */ 246#define EM_SVX 73 /* Silicon Graphics SVx */ 247#define EM_ST19 74 /* STMicroelectronics ST19 8-bit CPU */ 248#define EM_VAX 75 /* Digital VAX */ 249#define EM_CRIS 76 /* Axis Communications 32-bit embedded processor */ 250#define EM_JAVELIN 77 /* Infineon Technologies 32-bit embedded CPU */ 251#define EM_FIREPATH 78 /* Element 14 64-bit DSP processor */ 252#define EM_ZSP 79 /* LSI Logic's 16-bit DSP processor */ 253#define EM_MMIX 80 /* Donald Knuth's educational 64-bit processor */ 254#define EM_HUANY 81 /* Harvard's machine-independent format */ 255#define EM_PRISM 82 /* SiTera Prism */ 256#define EM_AVR 83 /* Atmel AVR 8-bit microcontroller */ 257#define EM_FR30 84 /* Fujitsu FR30 */ 258#define EM_D10V 85 /* Mitsubishi D10V */ 259#define EM_D30V 86 /* Mitsubishi D30V */ 260#define EM_V850 87 /* NEC v850 */ 261#define EM_M32R 88 /* Mitsubishi M32R */ 262#define EM_MN10300 89 /* Matsushita MN10300 */ 263#define EM_MN10200 90 /* Matsushita MN10200 */ 264#define EM_PJ 91 /* picoJava */ 265#define EM_OPENRISC 92 /* OpenRISC 32-bit embedded processor */ 266#define EM_ARC_A5 93 /* ARC Cores Tangent-A5 */ 267#define EM_XTENSA 94 /* Tensilica Xtensa Architecture */ 268 269/* Unofficial machine types follow */ 270#define EM_ALPHA 36902 /* DIGITAL Alpha */ 271#define EM_NUM 36903 272 273/* 274 * Program Header 275 */ 276typedef struct { 277 Elf32_Word p_type; /* entry type */ 278 Elf32_Off p_offset; /* offset */ 279 Elf32_Addr p_vaddr; /* virtual address */ 280 Elf32_Addr p_paddr; /* physical address */ 281 Elf32_Word p_filesz; /* file size */ 282 Elf32_Word p_memsz; /* memory size */ 283 Elf32_Word p_flags; /* flags */ 284 Elf32_Word p_align; /* memory & file alignment */ 285} Elf32_Phdr; 286 287/* p_type */ 288#define PT_NULL 0 /* Program header table entry unused */ 289#define PT_LOAD 1 /* Loadable program segment */ 290#define PT_DYNAMIC 2 /* Dynamic linking information */ 291#define PT_INTERP 3 /* Program interpreter */ 292#define PT_NOTE 4 /* Auxiliary information */ 293#define PT_SHLIB 5 /* Reserved, unspecified semantics */ 294#define PT_PHDR 6 /* Entry for header table itself */ 295#define PT_NUM 7 296 297/* p_flags */ 298#define PF_R 0x4 /* Segment is readable */ 299#define PF_W 0x2 /* Segment is writable */ 300#define PF_X 0x1 /* Segment is executable */ 301 302#define PF_MASKOS 0x0ff00000 /* Opersting system specific values */ 303#define PF_MASKPROC 0xf0000000 /* Processor-specific values */ 304 305#define PT_LOPROC 0x70000000 /* Processor-specific range */ 306#define PT_HIPROC 0x7fffffff 307 308#define PT_MIPS_REGINFO 0x70000000 309 310/* 311 * Section Headers 312 */ 313typedef struct { 314 Elf32_Word sh_name; /* section name (.shstrtab index) */ 315 Elf32_Word sh_type; /* section type */ 316 Elf32_Word sh_flags; /* section flags */ 317 Elf32_Addr sh_addr; /* virtual address */ 318 Elf32_Off sh_offset; /* file offset */ 319 Elf32_Word sh_size; /* section size */ 320 Elf32_Word sh_link; /* link to another */ 321 Elf32_Word sh_info; /* misc info */ 322 Elf32_Word sh_addralign; /* memory alignment */ 323 Elf32_Word sh_entsize; /* table entry size */ 324} Elf32_Shdr; 325 326/* sh_type */ 327#define SHT_NULL 0 /* Section header table entry unused */ 328#define SHT_PROGBITS 1 /* Program information */ 329#define SHT_SYMTAB 2 /* Symbol table */ 330#define SHT_STRTAB 3 /* String table */ 331#define SHT_RELA 4 /* Relocation information w/ addend */ 332#define SHT_HASH 5 /* Symbol hash table */ 333#define SHT_DYNAMIC 6 /* Dynamic linking information */ 334#define SHT_NOTE 7 /* Auxiliary information */ 335#define SHT_NOBITS 8 /* No space allocated in file image */ 336#define SHT_REL 9 /* Relocation information w/o addend */ 337#define SHT_SHLIB 10 /* Reserved, unspecified semantics */ 338#define SHT_DYNSYM 11 /* Symbol table for dynamic linker */ 339#define SHT_NUM 12 340 341#define SHT_LOOS 0x60000000 /* Operating system specific range */ 342#define SHT_HIOS 0x6fffffff 343#define SHT_LOPROC 0x70000000 /* Processor-specific range */ 344#define SHT_HIPROC 0x7fffffff 345#define SHT_LOUSER 0x80000000 /* Application-specific range */ 346#define SHT_HIUSER 0xffffffff 347 348/* sh_flags */ 349#define SHF_WRITE 0x1 /* Section contains writable data */ 350#define SHF_ALLOC 0x2 /* Section occupies memory */ 351#define SHF_EXECINSTR 0x4 /* Section contains executable insns */ 352 353#define SHF_MASKOS 0x0f000000 /* Operating system specific values */ 354#define SHF_MASKPROC 0xf0000000 /* Processor-specific values */ 355 356/* 357 * Symbol Table 358 */ 359typedef struct { 360 Elf32_Word st_name; /* Symbol name (.symtab index) */ 361 Elf32_Word st_value; /* value of symbol */ 362 Elf32_Word st_size; /* size of symbol */ 363 Elf_Byte st_info; /* type / binding attrs */ 364 Elf_Byte st_other; /* unused */ 365 Elf32_Half st_shndx; /* section index of symbol */ 366} Elf32_Sym; 367 368/* Symbol Table index of the undefined symbol */ 369#define ELF_SYM_UNDEFINED 0 370 371/* st_info: Symbol Bindings */ 372#define STB_LOCAL 0 /* local symbol */ 373#define STB_GLOBAL 1 /* global symbol */ 374#define STB_WEAK 2 /* weakly defined global symbol */ 375#define STB_NUM 3 376 377#define STB_LOOS 10 /* Operating system specific range */ 378#define STB_HIOS 12 379#define STB_LOPROC 13 /* Processor-specific range */ 380#define STB_HIPROC 15 381 382/* st_info: Symbol Types */ 383#define STT_NOTYPE 0 /* Type not specified */ 384#define STT_OBJECT 1 /* Associated with a data object */ 385#define STT_FUNC 2 /* Associated with a function */ 386#define STT_SECTION 3 /* Associated with a section */ 387#define STT_FILE 4 /* Associated with a file name */ 388#define STT_NUM 5 389 390#define STT_LOOS 10 /* Operating system specific range */ 391#define STT_HIOS 12 392#define STT_LOPROC 13 /* Processor-specific range */ 393#define STT_HIPROC 15 394 395/* st_info utility macros */ 396#define ELF32_ST_BIND(info) ((Elf32_Word)(info) >> 4) 397#define ELF32_ST_TYPE(info) ((Elf32_Word)(info) & 0xf) 398#define ELF32_ST_INFO(bind,type) ((Elf_Byte)(((bind) << 4) | ((type) & 0xf))) 399 400/* 401 * Special section indexes 402 */ 403#define SHN_UNDEF 0 /* Undefined section */ 404 405#define SHN_LORESERVE 0xff00 /* Reserved range */ 406#define SHN_ABS 0xfff1 /* Absolute symbols */ 407#define SHN_COMMON 0xfff2 /* Common symbols */ 408#define SHN_HIRESERVE 0xffff 409 410#define SHN_LOPROC 0xff00 /* Processor-specific range */ 411#define SHN_HIPROC 0xff1f 412#define SHN_LOOS 0xff20 /* Operating system specific range */ 413#define SHN_HIOS 0xff3f 414 415#define SHN_MIPS_ACOMMON 0xff00 416#define SHN_MIPS_TEXT 0xff01 417#define SHN_MIPS_DATA 0xff02 418#define SHN_MIPS_SCOMMON 0xff03 419 420/* 421 * Relocation Entries 422 */ 423typedef struct { 424 Elf32_Word r_offset; /* where to do it */ 425 Elf32_Word r_info; /* index & type of relocation */ 426} Elf32_Rel; 427 428typedef struct { 429 Elf32_Word r_offset; /* where to do it */ 430 Elf32_Word r_info; /* index & type of relocation */ 431 Elf32_Sword r_addend; /* adjustment value */ 432} Elf32_Rela; 433 434/* r_info utility macros */ 435#define ELF32_R_SYM(info) ((info) >> 8) 436#define ELF32_R_TYPE(info) ((info) & 0xff) 437#define ELF32_R_INFO(sym, type) (((sym) << 8) + (unsigned char)(type)) 438 439/* 440 * Dynamic Section structure array 441 */ 442typedef struct { 443 Elf32_Word d_tag; /* entry tag value */ 444 union { 445 Elf32_Addr d_ptr; 446 Elf32_Word d_val; 447 } d_un; 448} Elf32_Dyn; 449 450/* d_tag */ 451#define DT_NULL 0 /* Marks end of dynamic array */ 452#define DT_NEEDED 1 /* Name of needed library (DT_STRTAB offset) */ 453#define DT_PLTRELSZ 2 /* Size, in bytes, of relocations in PLT */ 454#define DT_PLTGOT 3 /* Address of PLT and/or GOT */ 455#define DT_HASH 4 /* Address of symbol hash table */ 456#define DT_STRTAB 5 /* Address of string table */ 457#define DT_SYMTAB 6 /* Address of symbol table */ 458#define DT_RELA 7 /* Address of Rela relocation table */ 459#define DT_RELASZ 8 /* Size, in bytes, of DT_RELA table */ 460#define DT_RELAENT 9 /* Size, in bytes, of one DT_RELA entry */ 461#define DT_STRSZ 10 /* Size, in bytes, of DT_STRTAB table */ 462#define DT_SYMENT 11 /* Size, in bytes, of one DT_SYMTAB entry */ 463#define DT_INIT 12 /* Address of initialization function */ 464#define DT_FINI 13 /* Address of termination function */ 465#define DT_SONAME 14 /* Shared object name (DT_STRTAB offset) */ 466#define DT_RPATH 15 /* Library search path (DT_STRTAB offset) */ 467#define DT_SYMBOLIC 16 /* Start symbol search within local object */ 468#define DT_REL 17 /* Address of Rel relocation table */ 469#define DT_RELSZ 18 /* Size, in bytes, of DT_REL table */ 470#define DT_RELENT 19 /* Size, in bytes, of one DT_REL entry */ 471#define DT_PLTREL 20 /* Type of PLT relocation entries */ 472#define DT_DEBUG 21 /* Used for debugging; unspecified */ 473#define DT_TEXTREL 22 /* Relocations might modify non-writable seg */ 474#define DT_JMPREL 23 /* Address of relocations associated with PLT */ 475#define DT_BIND_NOW 24 /* Process all relocations at load-time */ 476#define DT_INIT_ARRAY 25 /* Address of initialization function array */ 477#define DT_FINI_ARRAY 26 /* Size, in bytes, of DT_INIT_ARRAY array */ 478#define DT_INIT_ARRAYSZ 27 /* Address of termination function array */ 479#define DT_FINI_ARRAYSZ 28 /* Size, in bytes, of DT_FINI_ARRAY array*/ 480#define DT_NUM 29 481 482#define DT_LOOS 0x60000000 /* Operating system specific range */ 483#define DT_HIOS 0x6fffffff 484#define DT_LOPROC 0x70000000 /* Processor-specific range */ 485#define DT_HIPROC 0x7fffffff 486 487/* 488 * Auxiliary Vectors 489 */ 490typedef struct { 491 Elf32_Word a_type; /* 32-bit id */ 492 Elf32_Word a_v; /* 32-bit id */ 493} Aux32Info; 494 495/* a_type */ 496#define AT_NULL 0 /* Marks end of array */ 497#define AT_IGNORE 1 /* No meaning, a_un is undefined */ 498#define AT_EXECFD 2 /* Open file descriptor of object file */ 499#define AT_PHDR 3 /* &phdr[0] */ 500#define AT_PHENT 4 /* sizeof(phdr[0]) */ 501#define AT_PHNUM 5 /* # phdr entries */ 502#define AT_PAGESZ 6 /* PAGESIZE */ 503#define AT_BASE 7 /* Interpreter base addr */ 504#define AT_FLAGS 8 /* Processor flags */ 505#define AT_ENTRY 9 /* Entry address of executable */ 506#define AT_DCACHEBSIZE 10 /* Data cache block size */ 507#define AT_ICACHEBSIZE 11 /* Instruction cache block size */ 508#define AT_UCACHEBSIZE 12 /* Unified cache block size */ 509 510 /* Vendor specific */ 511#define AT_MIPS_NOTELF 10 /* XXX a_val != 0 -> MIPS XCOFF executable */ 512 513#define AT_SUN_UID 2000 /* euid */ 514#define AT_SUN_RUID 2001 /* ruid */ 515#define AT_SUN_GID 2002 /* egid */ 516#define AT_SUN_RGID 2003 /* rgid */ 517 518 /* Solaris kernel specific */ 519#define AT_SUN_LDELF 2004 /* dynamic linker's ELF header */ 520#define AT_SUN_LDSHDR 2005 /* dynamic linker's section header */ 521#define AT_SUN_LDNAME 2006 /* dynamic linker's name */ 522#define AT_SUN_LPGSIZE 2007 /* large pagesize */ 523 524 /* Other information */ 525#define AT_SUN_PLATFORM 2008 /* sysinfo(SI_PLATFORM) */ 526#define AT_SUN_HWCAP 2009 /* process hardware capabilities */ 527#define AT_SUN_IFLUSH 2010 /* do we need to flush the instruction cache? */ 528#define AT_SUN_CPU 2011 /* CPU name */ 529 /* ibcs2 emulation band aid */ 530#define AT_SUN_EMUL_ENTRY 2012 /* coff entry point */ 531#define AT_SUN_EMUL_EXECFD 2013 /* coff file descriptor */ 532 /* Executable's fully resolved name */ 533#define AT_SUN_EXECNAME 2014 534 535/* 536 * Note Headers 537 */ 538typedef struct { 539 Elf32_Word n_namesz; 540 Elf32_Word n_descsz; 541 Elf32_Word n_type; 542} Elf32_Nhdr; 543 544#define ELF_NOTE_TYPE_ABI_TAG 1 545 546/* GNU-specific note name and description sizes */ 547#define ELF_NOTE_ABI_NAMESZ 4 548#define ELF_NOTE_ABI_DESCSZ 16 549/* GNU-specific note name */ 550#define ELF_NOTE_ABI_NAME "GNU\0" 551 552/* GNU-specific OS/version value stuff */ 553#define ELF_NOTE_ABI_OS_LINUX 0 554#define ELF_NOTE_ABI_OS_HURD 1 555#define ELF_NOTE_ABI_OS_SOLARIS 2 556 557/* NetBSD-specific note type: Emulation name. desc is emul name string. */ 558#define ELF_NOTE_TYPE_NETBSD_TAG 1 559 560/* NetBSD-specific note name and description sizes */ 561#define ELF_NOTE_NETBSD_NAMESZ 7 562#define ELF_NOTE_NETBSD_DESCSZ 4 563/* NetBSD-specific note name */ 564#define ELF_NOTE_NETBSD_NAME "NetBSD\0\0" 565 566#if defined(ELFSIZE) 567#define CONCAT(x,y) __CONCAT(x,y) 568#define ELFNAME(x) CONCAT(elf,CONCAT(ELFSIZE,CONCAT(_,x))) 569#define ELFNAME2(x,y) CONCAT(x,CONCAT(_elf,CONCAT(ELFSIZE,CONCAT(_,y)))) 570#define ELFNAMEEND(x) CONCAT(x,CONCAT(_elf,ELFSIZE)) 571#define ELFDEFNNAME(x) CONCAT(ELF,CONCAT(ELFSIZE,CONCAT(_,x))) 572#endif 573 574/* 575 * Leo: This is actually from machine/elf_machdep.h 576 */ 577#define ELF32_MACHDEP_ENDIANNESS ELFDATA2MSB 578#define ELF32_MACHDEP_ID_CASES \ 579 case EM_68K: \ 580 break; 581 582#define ELF64_MACHDEP_ENDIANNESS XXX /* break compilation */ 583#define ELF64_MACHDEP_ID_CASES \ 584 /* no 64-bit ELF machine types supported */ 585 586#define ARCH_ELFSIZE 32 /* MD native binary size */ 587 588/* m68k relocation types */ 589#define R_68K_NONE 0 590#define R_68K_32 1 591#define R_68K_16 2 592#define R_68K_8 3 593#define R_68K_PC32 4 594#define R_68K_PC16 5 595#define R_68K_PC8 6 596#define R_68K_GOT32 7 597#define R_68K_GOT16 8 598#define R_68K_GOT8 9 599#define R_68K_GOT32O 10 600#define R_68K_GOT16O 11 601#define R_68K_GOT8O 12 602#define R_68K_PLT32 13 603#define R_68K_PLT16 14 604#define R_68K_PLT8 15 605#define R_68K_PLT32O 16 606#define R_68K_PLT16O 17 607#define R_68K_PLT8O 18 608#define R_68K_COPY 19 609#define R_68K_GLOB_DAT 20 610#define R_68K_JMP_SLOT 21 611#define R_68K_RELATIVE 22 612 613#define R_TYPE(name) __CONCAT(R_68K_,name) 614 615#define Elf_Ehdr Elf32_Ehdr 616#define Elf_Phdr Elf32_Phdr 617#define Elf_Shdr Elf32_Shdr 618#define Elf_Sym Elf32_Sym 619#define Elf_Rel Elf32_Rel 620#define Elf_Rela Elf32_Rela 621#define Elf_Dyn Elf32_Dyn 622#define Elf_Word Elf32_Word 623#define Elf_Sword Elf32_Sword 624#define Elf_Addr Elf32_Addr 625#define Elf_Off Elf32_Off 626#define Elf_Nhdr Elf32_Nhdr 627 628#define ELF_R_SYM ELF32_R_SYM 629#define ELF_R_TYPE ELF32_R_TYPE 630#define ELFCLASS ELFCLASS32 631 632#define ELF_ST_BIND ELF32_ST_BIND 633#define ELF_ST_TYPE ELF32_ST_TYPE 634#define ELF_ST_INFO ELF32_ST_INFO 635 636#define AuxInfo Aux32Info 637 638#endif /* !_LIBTOS_EXEC_ELF_H_ */ 639