elf/elf.h

   1 /* This file defines standard ELF types, structures, and macros.
   2    Copyright (C) 1995, 1996, 1997, 1998 Free Software Foundation, Inc.
   3    This file is part of the GNU C Library.
   4    Contributed by Ian Lance Taylor <ian@cygnus.com>.
   5
   6    The GNU C Library is free software; you can redistribute it and/or
   7    modify it under the terms of the GNU Library General Public License as
   8    published by the Free Software Foundation; either version 2 of the
   9    License, or (at your option) any later version.
  10
  11    The GNU C Library is distributed in the hope that it will be useful,
  12    but WITHOUT ANY WARRANTY; without even the implied warranty of
  13    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14    Library General Public License for more details.
  15
  16    You should have received a copy of the GNU Library General Public
  17    License along with the GNU C Library; see the file COPYING.LIB.  If not,
  18    write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  19    Boston, MA 02111-1307, USA.  */
  20
  21 #ifndef _ELF_H
  22 #define _ELF_H 1
  23
  24 #include <features.h>
  25
  26 __BEGIN_DECLS
  27
  28 /* Standard ELF types.  */
  29
  30 #include <stdint.h>
  31
  32 /* Type for a 16-bit quantity.  */
  33 typedef uint16_t Elf32_Half;
  34 typedef uint16_t Elf64_Half;
  35
  36 /* Types for signed and unsigned 32-bit quantities.  */
  37 typedef uint32_t Elf32_Word;
  38 typedef int32_t  Elf32_Sword;
  39 typedef uint32_t Elf64_Word;
  40 typedef int32_t  Elf64_Sword;
  41
  42 /* Types for signed and unsigned 64-bit quantities.  */
  43 typedef uint64_t Elf32_Xword;
  44 typedef int64_t  Elf32_Sxword;
  45 typedef uint64_t Elf64_Xword;
  46 typedef int64_t  Elf64_Sxword;
  47
  48 /* Type of addresses.  */
  49 typedef uint32_t Elf32_Addr;
  50 typedef uint64_t Elf64_Addr;
  51
  52 /* Type of file offsets.  */
  53 typedef uint32_t Elf32_Off;
  54 typedef uint64_t Elf64_Off;
  55
  56 /* Type for section indices, which are 16-bit quantities.  */
  57 typedef uint16_t Elf32_Section;
  58 typedef uint16_t Elf64_Section;
  59
  60 /* Type of symbol indices.  */
  61 typedef uint32_t Elf32_Symndx;
  62 typedef uint64_t Elf64_Symndx;
  63
  64
  65 /* The ELF file header.  This appears at the start of every ELF file.  */
  66
  67 #define EI_NIDENT (16)
  68
  69 typedef struct
  70 {
  71   unsigned char e_ident[EI_NIDENT];     /* Magic number and other info */
  72   Elf32_Half    e_type;                 /* Object file type */
  73   Elf32_Half    e_machine;              /* Architecture */
  74   Elf32_Word    e_version;              /* Object file version */
  75   Elf32_Addr    e_entry;                /* Entry point virtual address */
  76   Elf32_Off     e_phoff;                /* Program header table file offset */
  77   Elf32_Off     e_shoff;                /* Section header table file offset */
  78   Elf32_Word    e_flags;                /* Processor-specific flags */
  79   Elf32_Half    e_ehsize;               /* ELF header size in bytes */
  80   Elf32_Half    e_phentsize;            /* Program header table entry size */
  81   Elf32_Half    e_phnum;                /* Program header table entry count */
  82   Elf32_Half    e_shentsize;            /* Section header table entry size */
  83   Elf32_Half    e_shnum;                /* Section header table entry count */
  84   Elf32_Half    e_shstrndx;             /* Section header string table index */
  85 } Elf32_Ehdr;
  86
  87 typedef struct
  88 {
  89   unsigned char e_ident[EI_NIDENT];     /* Magic number and other info */
  90   Elf64_Half    e_type;                 /* Object file type */
  91   Elf64_Half    e_machine;              /* Architecture */
  92   Elf64_Word    e_version;              /* Object file version */
  93   Elf64_Addr    e_entry;                /* Entry point virtual address */
  94   Elf64_Off     e_phoff;                /* Program header table file offset */
  95   Elf64_Off     e_shoff;                /* Section header table file offset */
  96   Elf64_Word    e_flags;                /* Processor-specific flags */
  97   Elf64_Half    e_ehsize;               /* ELF header size in bytes */
  98   Elf64_Half    e_phentsize;            /* Program header table entry size */
  99   Elf64_Half    e_phnum;                /* Program header table entry count */
 100   Elf64_Half    e_shentsize;            /* Section header table entry size */
 101   Elf64_Half    e_shnum;                /* Section header table entry count */
 102   Elf64_Half    e_shstrndx;             /* Section header string table index */
 103 } Elf64_Ehdr;
 104
 105 /* Fields in the e_ident array.  The EI_* macros are indices into the
 106    array.  The macros under each EI_* macro are the values the byte
 107    may have.  */
 108
 109 #define EI_MAG0         0               /* File identification byte 0 index */
 110 #define ELFMAG0         0x7f            /* Magic number byte 0 */
 111
 112 #define EI_MAG1         1               /* File identification byte 1 index */
 113 #define ELFMAG1         'E'             /* Magic number byte 1 */
 114
 115 #define EI_MAG2         2               /* File identification byte 2 index */
 116 #define ELFMAG2         'L'             /* Magic number byte 2 */
 117
 118 #define EI_MAG3         3               /* File identification byte 3 index */
 119 #define ELFMAG3         'F'             /* Magic number byte 3 */
 120
 121 /* Conglomeration of the identification bytes, for easy testing as a word.  */
 122 #define ELFMAG          "\177ELF"
 123 #define SELFMAG         4
 124
 125 #define EI_CLASS        4               /* File class byte index */
 126 #define ELFCLASSNONE    0               /* Invalid class */
 127 #define ELFCLASS32      1               /* 32-bit objects */
 128 #define ELFCLASS64      2               /* 64-bit objects */
 129
 130 #define EI_DATA         5               /* Data encoding byte index */
 131 #define ELFDATANONE     0               /* Invalid data encoding */
 132 #define ELFDATA2LSB     1               /* 2's complement, little endian */
 133 #define ELFDATA2MSB     2               /* 2's complement, big endian */
 134
 135 #define EI_VERSION      6               /* File version byte index */
 136                                         /* Value must be EV_CURRENT */
 137
 138 #define EI_PAD          7               /* Byte index of padding bytes */
 139
 140 /* Legal values for e_type (object file type).  */
 141
 142 #define ET_NONE         0               /* No file type */
 143 #define ET_REL          1               /* Relocatable file */
 144 #define ET_EXEC         2               /* Executable file */
 145 #define ET_DYN          3               /* Shared object file */
 146 #define ET_CORE         4               /* Core file */
 147 #define ET_NUM          5               /* Number of defined types.  */
 148 #define ET_LOPROC       0xff00          /* Processor-specific */
 149 #define ET_HIPROC       0xffff          /* Processor-specific */
 150
 151 /* Legal values for e_machine (architecture).  */
 152
 153 #define EM_NONE         0               /* No machine */
 154 #define EM_M32          1               /* AT&T WE 32100 */
 155 #define EM_SPARC        2               /* SUN SPARC */
 156 #define EM_386          3               /* Intel 80386 */
 157 #define EM_68K          4               /* Motorola m68k family */
 158 #define EM_88K          5               /* Motorola m88k family */
 159 #define EM_486          6               /* Intel 80486 */
 160 #define EM_860          7               /* Intel 80860 */
 161 #define EM_MIPS         8               /* MIPS R3000 big-endian */
 162 #define EM_S370         9               /* Amdahl */
 163 #define EM_MIPS_RS4_BE 10               /* MIPS R4000 big-endian */
 164
 165 #define EM_PARISC      15               /* HPPA */
 166
 167 #define EM_SPARC32PLUS 18               /* Sun's "v8plus" */
 168
 169 #define EM_PPC         20               /* PowerPC */
 170
 171 #define EM_ARM          40              /* ARM */
 172
 173 #define EM_SPARCV9     43               /* SPARC v9 64-bit */
 174
 175 /* If it is necessary to assign new unofficial EM_* values, please
 176    pick large random numbers (0x8523, 0xa7f2, etc.) to minimize the
 177    chances of collision with official or non-GNU unofficial values.  */
 178
 179 #define EM_ALPHA        0x9026
 180
 181 /* Legal values for e_version (version).  */
 182
 183 #define EV_NONE         0               /* Invalid ELF version */
 184 #define EV_CURRENT      1               /* Current version */
 185
 186 /* Section header.  */
 187
 188 typedef struct
 189 {
 190   Elf32_Word    sh_name;                /* Section name (string tbl index) */
 191   Elf32_Word    sh_type;                /* Section type */
 192   Elf32_Word    sh_flags;               /* Section flags */
 193   Elf32_Addr    sh_addr;                /* Section virtual addr at execution */
 194   Elf32_Off     sh_offset;              /* Section file offset */
 195   Elf32_Word    sh_size;                /* Section size in bytes */
 196   Elf32_Word    sh_link;                /* Link to another section */
 197   Elf32_Word    sh_info;                /* Additional section information */
 198   Elf32_Word    sh_addralign;           /* Section alignment */
 199   Elf32_Word    sh_entsize;             /* Entry size if section holds table */
 200 } Elf32_Shdr;
 201
 202 typedef struct
 203 {
 204   Elf64_Word    sh_name;                /* Section name (string tbl index) */
 205   Elf64_Word    sh_type;                /* Section type */
 206   Elf64_Xword   sh_flags;               /* Section flags */
 207   Elf64_Addr    sh_addr;                /* Section virtual addr at execution */
 208   Elf64_Off     sh_offset;              /* Section file offset */
 209   Elf64_Xword   sh_size;                /* Section size in bytes */
 210   Elf64_Word    sh_link;                /* Link to another section */
 211   Elf64_Word    sh_info;                /* Additional section information */
 212   Elf64_Xword   sh_addralign;           /* Section alignment */
 213   Elf64_Xword   sh_entsize;             /* Entry size if section holds table */
 214 } Elf64_Shdr;
 215
 216 /* Special section indices.  */
 217
 218 #define SHN_UNDEF       0               /* Undefined section */
 219 #define SHN_LORESERVE   0xff00          /* Start of reserved indices */
 220 #define SHN_LOPROC      0xff00          /* Start of processor-specific */
 221 #define SHN_HIPROC      0xff1f          /* End of processor-specific */
 222 #define SHN_ABS         0xfff1          /* Associated symbol is absolute */
 223 #define SHN_COMMON      0xfff2          /* Associated symbol is common */
 224 #define SHN_HIRESERVE   0xffff          /* End of reserved indices */
 225
 226 /* Legal values for sh_type (section type).  */
 227
 228 #define SHT_NULL        0               /* Section header table entry unused */
 229 #define SHT_PROGBITS    1               /* Program data */
 230 #define SHT_SYMTAB      2               /* Symbol table */
 231 #define SHT_STRTAB      3               /* String table */
 232 #define SHT_RELA        4               /* Relocation entries with addends */
 233 #define SHT_HASH        5               /* Symbol hash table */
 234 #define SHT_DYNAMIC     6               /* Dynamic linking information */
 235 #define SHT_NOTE        7               /* Notes */
 236 #define SHT_NOBITS      8               /* Program space with no data (bss) */
 237 #define SHT_REL         9               /* Relocation entries, no addends */
 238 #define SHT_SHLIB       10              /* Reserved */
 239 #define SHT_DYNSYM      11              /* Dynamic linker symbol table */
 240 #define SHT_NUM         12              /* Number of defined types.  */
 241 #define SHT_LOSUNW      0x6ffffffd      /* Sun-specific low bound.  */
 242 #define SHT_GNU_verdef  0x6ffffffd      /* Version definition section.  */
 243 #define SHT_GNU_verneed 0x6ffffffe      /* Version needs section.  */
 244 #define SHT_GNU_versym  0x6fffffff      /* Version symbol table.  */
 245 #define SHT_HISUNW      0x6fffffff      /* Sun-specific high bound.  */
 246 #define SHT_LOPROC      0x70000000      /* Start of processor-specific */
 247 #define SHT_HIPROC      0x7fffffff      /* End of processor-specific */
 248 #define SHT_LOUSER      0x80000000      /* Start of application-specific */
 249 #define SHT_HIUSER      0x8fffffff      /* End of application-specific */
 250
 251 /* Legal values for sh_flags (section flags).  */
 252
 253 #define SHF_WRITE       (1 << 0)        /* Writable */
 254 #define SHF_ALLOC       (1 << 1)        /* Occupies memory during execution */
 255 #define SHF_EXECINSTR   (1 << 2)        /* Executable */
 256 #define SHF_MASKPROC    0xf0000000      /* Processor-specific */
 257
 258 /* Symbol table entry.  */
 259
 260 typedef struct
 261 {
 262   Elf32_Word    st_name;                /* Symbol name (string tbl index) */
 263   Elf32_Addr    st_value;               /* Symbol value */
 264   Elf32_Word    st_size;                /* Symbol size */
 265   unsigned char st_info;                /* Symbol type and binding */
 266   unsigned char st_other;               /* No defined meaning, 0 */
 267   Elf32_Section st_shndx;               /* Section index */
 268 } Elf32_Sym;
 269
 270 typedef struct
 271 {
 272   Elf64_Word    st_name;                /* Symbol name (string tbl index) */
 273   unsigned char st_info;                /* Symbol type and binding */
 274   unsigned char st_other;               /* No defined meaning, 0 */
 275   Elf64_Section st_shndx;               /* Section index */
 276   Elf64_Addr    st_value;               /* Symbol value */
 277   Elf64_Xword   st_size;                /* Symbol size */
 278 } Elf64_Sym;
 279
 280 /* Special section index.  */
 281
 282 #define SHN_UNDEF       0               /* No section, undefined symbol.  */
 283
 284 /* How to extract and insert information held in the st_info field.  */
 285
 286 #define ELF32_ST_BIND(val)              (((unsigned char) (val)) >> 4)
 287 #define ELF32_ST_TYPE(val)              ((val) & 0xf)
 288 #define ELF32_ST_INFO(bind, type)       (((bind) << 4) + ((type) & 0xf))
 289
 290 /* Both Elf32_Sym and Elf64_Sym use the same one-byte st_info field.  */
 291 #define ELF64_ST_BIND(val)              ELF32_ST_BIND (val)
 292 #define ELF64_ST_TYPE(val)              ELF32_ST_TYPE (val)
 293 #define ELF64_ST_INFO(bind, type)       ELF32_ST_INFO ((bind), (type))
 294
 295 /* Legal values for ST_BIND subfield of st_info (symbol binding).  */
 296
 297 #define STB_LOCAL       0               /* Local symbol */
 298 #define STB_GLOBAL      1               /* Global symbol */
 299 #define STB_WEAK        2               /* Weak symbol */
 300 #define STB_NUM         3               /* Number of defined types.  */
 301 #define STB_LOPROC      13              /* Start of processor-specific */
 302 #define STB_HIPROC      15              /* End of processor-specific */
 303
 304 /* Legal values for ST_TYPE subfield of st_info (symbol type).  */
 305
 306 #define STT_NOTYPE      0               /* Symbol type is unspecified */
 307 #define STT_OBJECT      1               /* Symbol is a data object */
 308 #define STT_FUNC        2               /* Symbol is a code object */
 309 #define STT_SECTION     3               /* Symbol associated with a section */
 310 #define STT_FILE        4               /* Symbol's name is file name */
 311 #define STT_NUM         5               /* Number of defined types.  */
 312 #define STT_LOPROC      13              /* Start of processor-specific */
 313 #define STT_HIPROC      15              /* End of processor-specific */
 314
 315
 316 /* Symbol table indices are found in the hash buckets and chain table
 317    of a symbol hash table section.  This special index value indicates
 318    the end of a chain, meaning no further symbols are found in that bucket.  */
 319
 320 #define STN_UNDEF       0               /* End of a chain.  */
 321
 322
 323 /* Relocation table entry without addend (in section of type SHT_REL).  */
 324
 325 typedef struct
 326 {
 327   Elf32_Addr    r_offset;               /* Address */
 328   Elf32_Word    r_info;                 /* Relocation type and symbol index */
 329 } Elf32_Rel;
 330
 331 /* I have seen two different definitions of the Elf64_Rel and
 332    Elf64_Rela structures, so we'll leave them out until Novell (or
 333    whoever) gets their act together.  */
 334 /* The following, at least, is used on Sparc v9, MIPS, and Alpha.  */
 335
 336 typedef struct
 337 {
 338   Elf64_Addr    r_offset;               /* Address */
 339   Elf64_Xword   r_info;                 /* Relocation type and symbol index */
 340 } Elf64_Rel;
 341
 342 /* Relocation table entry with addend (in section of type SHT_RELA).  */
 343
 344 typedef struct
 345 {
 346   Elf32_Addr    r_offset;               /* Address */
 347   Elf32_Word    r_info;                 /* Relocation type and symbol index */
 348   Elf32_Sword   r_addend;               /* Addend */
 349 } Elf32_Rela;
 350
 351 typedef struct
 352 {
 353   Elf64_Addr    r_offset;               /* Address */
 354   Elf64_Xword   r_info;                 /* Relocation type and symbol index */
 355   Elf64_Sxword  r_addend;               /* Addend */
 356 } Elf64_Rela;
 357
 358 /* How to extract and insert information held in the r_info field.  */
 359
 360 #define ELF32_R_SYM(val)                ((val) >> 8)
 361 #define ELF32_R_TYPE(val)               ((val) & 0xff)
 362 #define ELF32_R_INFO(sym, type)         (((sym) << 8) + ((type) & 0xff))
 363
 364 #define ELF64_R_SYM(i)                  ((i) >> 32)
 365 #define ELF64_R_TYPE(i)                 ((i) & 0xffffffff)
 366 #define ELF64_R_INFO(sym,type)          (((sym) << 32) + (type))
 367
 368 /* Program segment header.  */
 369
 370 typedef struct
 371 {
 372   Elf32_Word    p_type;                 /* Segment type */
 373   Elf32_Off     p_offset;               /* Segment file offset */
 374   Elf32_Addr    p_vaddr;                /* Segment virtual address */
 375   Elf32_Addr    p_paddr;                /* Segment physical address */
 376   Elf32_Word    p_filesz;               /* Segment size in file */
 377   Elf32_Word    p_memsz;                /* Segment size in memory */
 378   Elf32_Word    p_flags;                /* Segment flags */
 379   Elf32_Word    p_align;                /* Segment alignment */
 380 } Elf32_Phdr;
 381
 382 typedef struct
 383 {
 384   Elf64_Word    p_type;                 /* Segment type */
 385   Elf64_Word    p_flags;                /* Segment flags */
 386   Elf64_Off     p_offset;               /* Segment file offset */
 387   Elf64_Addr    p_vaddr;                /* Segment virtual address */
 388   Elf64_Addr    p_paddr;                /* Segment physical address */
 389   Elf64_Xword   p_filesz;               /* Segment size in file */
 390   Elf64_Xword   p_memsz;                /* Segment size in memory */
 391   Elf64_Xword   p_align;                /* Segment alignment */
 392 } Elf64_Phdr;
 393
 394 /* Legal values for p_type (segment type).  */
 395
 396 #define PT_NULL         0               /* Program header table entry unused */
 397 #define PT_LOAD         1               /* Loadable program segment */
 398 #define PT_DYNAMIC      2               /* Dynamic linking information */
 399 #define PT_INTERP       3               /* Program interpreter */
 400 #define PT_NOTE         4               /* Auxiliary information */
 401 #define PT_SHLIB        5               /* Reserved */
 402 #define PT_PHDR         6               /* Entry for header table itself */
 403 #define PT_NUM          7               /* Number of defined types.  */
 404 #define PT_LOPROC       0x70000000      /* Start of processor-specific */
 405 #define PT_HIPROC       0x7fffffff      /* End of processor-specific */
 406
 407 /* Legal values for p_flags (segment flags).  */
 408
 409 #define PF_X            (1 << 0)        /* Segment is executable */
 410 #define PF_W            (1 << 1)        /* Segment is writable */
 411 #define PF_R            (1 << 2)        /* Segment is readable */
 412 #define PF_MASKPROC     0xf0000000      /* Processor-specific */
 413
 414 /* Legal values for note segment descriptor types for core files. */
 415
 416 #define NT_PRSTATUS     1               /* Contains copy of prstatus struct */
 417 #define NT_FPREGSET     2               /* Contains copy of fpregset struct */
 418 #define NT_PRPSINFO     3               /* Contains copy of prpsinfo struct */
 419
 420 /* Legal values for the  note segment descriptor types for object files.  */
 421
 422 #define NT_VERSION      1               /* Contains a version string.  */
 423
 424
 425 /* Dynamic section entry.  */
 426
 427 typedef struct
 428 {
 429   Elf32_Sword   d_tag;                  /* Dynamic entry type */
 430   union
 431     {
 432       Elf32_Word d_val;                 /* Integer value */
 433       Elf32_Addr d_ptr;                 /* Address value */
 434     } d_un;
 435 } Elf32_Dyn;
 436
 437 typedef struct
 438 {
 439   Elf64_Sxword  d_tag;                  /* Dynamic entry type */
 440   union
 441     {
 442       Elf64_Xword d_val;                /* Integer value */
 443       Elf64_Addr d_ptr;                 /* Address value */
 444     } d_un;
 445 } Elf64_Dyn;
 446
 447 /* Legal values for d_tag (dynamic entry type).  */
 448
 449 #define DT_NULL         0               /* Marks end of dynamic section */
 450 #define DT_NEEDED       1               /* Name of needed library */
 451 #define DT_PLTRELSZ     2               /* Size in bytes of PLT relocs */
 452 #define DT_PLTGOT       3               /* Processor defined value */
 453 #define DT_HASH         4               /* Address of symbol hash table */
 454 #define DT_STRTAB       5               /* Address of string table */
 455 #define DT_SYMTAB       6               /* Address of symbol table */
 456 #define DT_RELA         7               /* Address of Rela relocs */
 457 #define DT_RELASZ       8               /* Total size of Rela relocs */
 458 #define DT_RELAENT      9               /* Size of one Rela reloc */
 459 #define DT_STRSZ        10              /* Size of string table */
 460 #define DT_SYMENT       11              /* Size of one symbol table entry */
 461 #define DT_INIT         12              /* Address of init function */
 462 #define DT_FINI         13              /* Address of termination function */
 463 #define DT_SONAME       14              /* Name of shared object */
 464 #define DT_RPATH        15              /* Library search path */
 465 #define DT_SYMBOLIC     16              /* Start symbol search here */
 466 #define DT_REL          17              /* Address of Rel relocs */
 467 #define DT_RELSZ        18              /* Total size of Rel relocs */
 468 #define DT_RELENT       19              /* Size of one Rel reloc */
 469 #define DT_PLTREL       20              /* Type of reloc in PLT */
 470 #define DT_DEBUG        21              /* For debugging; unspecified */
 471 #define DT_TEXTREL      22              /* Reloc might modify .text */
 472 #define DT_JMPREL       23              /* Address of PLT relocs */
 473 #define DT_NUM          24              /* Number used */
 474 #define DT_LOPROC       0x70000000      /* Start of processor-specific */
 475 #define DT_HIPROC       0x7fffffff      /* End of processor-specific */
 476 #define DT_PROCNUM      DT_MIPS_NUM     /* Most used by any processor */
 477
 478 /* The versioning entry types.  The next are defined as part of the
 479    GNU extension.  */
 480 #define DT_VERSYM       0x6ffffff0
 481
 482 /* These were chosen by Sun.  */
 483 #define DT_VERDEF       0x6ffffffc      /* Address of version definition
 484                                            table */
 485 #define DT_VERDEFNUM    0x6ffffffd      /* Number of version definitions */
 486 #define DT_VERNEED      0x6ffffffe      /* Address of table with needed
 487                                            versions */
 488 #define DT_VERNEEDNUM   0x6fffffff      /* Number of needed versions */
 489 #define DT_VERSIONTAGIDX(tag)   (DT_VERNEEDNUM - (tag)) /* Reverse order! */
 490 #define DT_VERSIONTAGNUM 16
 491
 492 /* Sun added these machine-independent extensions in the "processor-specific"
 493    range.  Be compatible.  */
 494 #define DT_AUXILIARY    0x7ffffffd      /* Shared object to load before self */
 495 #define DT_FILTER       0x7fffffff      /* Shared object to get values from */
 496 #define DT_EXTRATAGIDX(tag)     ((Elf32_Word)-((Elf32_Sword) (tag) <<1>>1)-1)
 497 #define DT_EXTRANUM     3
 498
 499 /* Version definition sections.  */
 500
 501 typedef struct
 502 {
 503   Elf32_Half    vd_version;             /* Version revision */
 504   Elf32_Half    vd_flags;               /* Version information */
 505   Elf32_Half    vd_ndx;                 /* Version Index */
 506   Elf32_Half    vd_cnt;                 /* Number of associated aux entries */
 507   Elf32_Word    vd_hash;                /* Version name hash value */
 508   Elf32_Word    vd_aux;                 /* Offset in bytes to verdaux array */
 509   Elf32_Word    vd_next;                /* Offset in bytes to next verdef
 510                                            entry */
 511 } Elf32_Verdef;
 512
 513 #if 0
 514 /* XXX We have no information what types should be used for 64 bit
 515    architectures.  What is following is only an intelligent guess.  */
 516 typedef struct
 517 {
 518   Elf64_Half    vd_version;             /* Version revision */
 519   Elf64_Half    vd_flags;               /* Version information */
 520   Elf64_Half    vd_ndx;                 /* Version Index */
 521   Elf64_Half    vd_cnt;                 /* Number of associated aux entries */
 522   Elf64_Word    vd_hash;                /* Version name hash value */
 523   Elf64_Word    vd_aux;                 /* Offset in bytes to verdaux array */
 524   Elf64_Word    vd_next;                /* Offset in bytes to next verdef
 525                                            entry */
 526 } Elf64_Verdef;
 527 #else
 528 /* The linker doesn't even parameterize the version info swapping
 529    routines.  I wonder if it should or is this good enough.  */
 530 typedef Elf32_Verdef Elf64_Verdef;
 531 #endif
 532
 533 /* Legal values for vd_version (version revision).  */
 534 #define VER_DEF_NONE    0               /* No version */
 535 #define VER_DEF_CURRENT 1               /* Current version */
 536 #define VER_DEF_NUM     2               /* Given version number */
 537
 538 /* Legal values for vd_flags (version information flags).  */
 539 #define VER_FLG_BASE    0x1             /* Version definition of file itself */
 540 #define VER_FLG_WEAK    0x2             /* Weak version identifier */
 541
 542 /* Auxialiary version information.  */
 543
 544 typedef struct
 545 {
 546   Elf32_Addr    vda_name;               /* Version or dependency names */
 547   Elf32_Word    vda_next;               /* Offset in bytes to next verdaux
 548                                            entry */
 549 } Elf32_Verdaux;
 550
 551 #if 0
 552 /* XXX We have no information what types should be used for 64 bit
 553    architectures.  What is following is only an intelligent guess.  */
 554 typedef struct
 555 {
 556   Elf64_Addr    vda_name;               /* Version or dependency names */
 557   Elf64_Word    vda_next;               /* Offset in bytes to next verdaux
 558                                            entry */
 559 } Elf64_Verdaux;
 560 #else
 561 /* The linker doesn't even parameterize this -- should it?  */
 562 typedef Elf32_Verdaux Elf64_Verdaux;
 563 #endif
 564
 565 /* Version dependency section.  */
 566
 567 typedef struct
 568 {
 569   Elf32_Half    vn_version;             /* Version of structure */
 570   Elf32_Half    vn_cnt;                 /* Number of associated aux entries */
 571   Elf32_Addr    vn_file;                /* Offset of filename for this
 572                                            dependency */
 573   Elf32_Word    vn_aux;                 /* Offset in bytes to vernaux array */
 574   Elf32_Word    vn_next;                /* Offset in bytes to next verneed
 575                                            entry */
 576 } Elf32_Verneed;
 577
 578 #if 0
 579 /* XXX We have no information what types should be used for 64 bit
 580    architectures.  What is following is only an intelligent guess.  */
 581 typedef struct
 582 {
 583   Elf64_Half    vn_version;             /* Version of structure */
 584   Elf64_Half    vn_cnt;                 /* Number of associated aux entries */
 585   Elf64_Addr    vn_file;                /* Offset of filename for this
 586                                            dependency */
 587   Elf64_Word    vn_aux;                 /* Offset in bytes to vernaux array */
 588   Elf64_Word    vn_next;                /* Offset in bytes to next verneed
 589                                            entry */
 590 } Elf64_Verneed;
 591 #else
 592 /* The linker doesn't even parameterize this -- should it?  */
 593 typedef Elf32_Verneed Elf64_Verneed;
 594 #endif
 595
 596 /* Legal values for vn_version (version revision).  */
 597 #define VER_NEED_NONE    0              /* No version */
 598 #define VER_NEED_CURRENT 1              /* Current version */
 599 #define VER_NEED_NUM     2              /* Given version number */
 600
 601 /* Auxiliary needed version information.  */
 602
 603 typedef struct
 604 {
 605   Elf32_Word    vna_hash;               /* Hash value of dependency name */
 606   Elf32_Half    vna_flags;              /* Dependency specific information */
 607   Elf32_Half    vna_other;              /* Unused */
 608   Elf32_Addr    vna_name;               /* Dependency name string offset */
 609   Elf32_Word    vna_next;               /* Offset in bytes to next vernaux
 610                                            entry */
 611 } Elf32_Vernaux;
 612
 613 #if 0
 614 /* XXX We have no information what types should be used for 64 bit
 615    architectures.  What is following is only an intelligent guess.  */
 616 typedef struct
 617 {
 618   Elf64_Word    vna_hash;               /* Hash value of dependency name */
 619   Elf64_Half    vna_flags;              /* Dependency specific information */
 620   Elf64_Half    vna_other;              /* Unused */
 621   Elf64_Addr    vna_name;               /* Dependency name string offset */
 622   Elf64_Word    vna_next;               /* Offset in bytes to next vernaux
 623                                            entry */
 624 } Elf64_Vernaux;
 625 #else
 626 /* The linker doesn't even parameterize these -- should it?  */
 627 typedef Elf32_Vernaux Elf64_Vernaux;
 628 #endif
 629
 630 /* Legal values for vna_flags.  */
 631 #define VER_FLG_WEAK    0x2             /* Weak verison identifier */
 632
 633
 634 /* Auxiliary vector.  */
 635
 636 /* This vector is normally only used by the program interpreter.  The
 637    usual definition in an ABI supplement uses the name auxv_t.  The
 638    vector is not usually defined in a standard <elf.h> file, but it
 639    can't hurt.  We rename it to avoid conflicts.  The sizes of these
 640    types are an arrangement between the exec server and the program
 641    interpreter, so we don't fully specify them here.  */
 642
 643 typedef struct
 644 {
 645   int a_type;                   /* Entry type */
 646   union
 647     {
 648       long int a_val;           /* Integer value */
 649       void *a_ptr;              /* Pointer value */
 650       void (*a_fcn) (void);     /* Function pointer value */
 651     } a_un;
 652 } Elf32_auxv_t;
 653
 654 typedef struct
 655 {
 656   long int a_type;              /* Entry type */
 657   union
 658     {
 659       long int a_val;           /* Integer value */
 660       void *a_ptr;              /* Pointer value */
 661       void (*a_fcn) (void);     /* Function pointer value */
 662     } a_un;
 663 } Elf64_auxv_t;
 664
 665 /* Legal values for a_type (entry type).  */
 666
 667 #define AT_NULL         0               /* End of vector */
 668 #define AT_IGNORE       1               /* Entry should be ignored */
 669 #define AT_EXECFD       2               /* File descriptor of program */
 670 #define AT_PHDR         3               /* Program headers for program */
 671 #define AT_PHENT        4               /* Size of program header entry */
 672 #define AT_PHNUM        5               /* Number of program headers */
 673 #define AT_PAGESZ       6               /* System page size */
 674 #define AT_BASE         7               /* Base address of interpreter */
 675 #define AT_FLAGS        8               /* Flags */
 676 #define AT_ENTRY        9               /* Entry point of program */
 677 #define AT_NOTELF       10              /* Program is not ELF */
 678 #define AT_UID          11              /* Real uid */
 679 #define AT_EUID         12              /* Effective uid */
 680 #define AT_GID          13              /* Real gid */
 681 #define AT_EGID         14              /* Effective gid */
 682
 683 /* Some more special a_type values describing the hardware.  */
 684 #define AT_PLATFORM     15              /* String identifying platform.  */
 685 #define AT_HWCAP        16              /* Machine dependent hints about
 686                                            processor capabilities.  */
 687
 688 /* Motorola 68k specific definitions.  */
 689
 690 /* m68k relocs.  */
 691
 692 #define R_68K_NONE      0               /* No reloc */
 693 #define R_68K_32        1               /* Direct 32 bit  */
 694 #define R_68K_16        2               /* Direct 16 bit  */
 695 #define R_68K_8         3               /* Direct 8 bit  */
 696 #define R_68K_PC32      4               /* PC relative 32 bit */
 697 #define R_68K_PC16      5               /* PC relative 16 bit */
 698 #define R_68K_PC8       6               /* PC relative 8 bit */
 699 #define R_68K_GOT32     7               /* 32 bit PC relative GOT entry */
 700 #define R_68K_GOT16     8               /* 16 bit PC relative GOT entry */
 701 #define R_68K_GOT8      9               /* 8 bit PC relative GOT entry */
 702 #define R_68K_GOT32O    10              /* 32 bit GOT offset */
 703 #define R_68K_GOT16O    11              /* 16 bit GOT offset */
 704 #define R_68K_GOT8O     12              /* 8 bit GOT offset */
 705 #define R_68K_PLT32     13              /* 32 bit PC relative PLT address */
 706 #define R_68K_PLT16     14              /* 16 bit PC relative PLT address */
 707 #define R_68K_PLT8      15              /* 8 bit PC relative PLT address */
 708 #define R_68K_PLT32O    16              /* 32 bit PLT offset */
 709 #define R_68K_PLT16O    17              /* 16 bit PLT offset */
 710 #define R_68K_PLT8O     18              /* 8 bit PLT offset */
 711 #define R_68K_COPY      19              /* Copy symbol at runtime */
 712 #define R_68K_GLOB_DAT  20              /* Create GOT entry */
 713 #define R_68K_JMP_SLOT  21              /* Create PLT entry */
 714 #define R_68K_RELATIVE  22              /* Adjust by program base */
 715
 716 /* Intel 80386 specific definitions.  */
 717
 718 /* i386 relocs.  */
 719
 720 #define R_386_NONE      0               /* No reloc */
 721 #define R_386_32        1               /* Direct 32 bit  */
 722 #define R_386_PC32      2               /* PC relative 32 bit */
 723 #define R_386_GOT32     3               /* 32 bit GOT entry */
 724 #define R_386_PLT32     4               /* 32 bit PLT address */
 725 #define R_386_COPY      5               /* Copy symbol at runtime */
 726 #define R_386_GLOB_DAT  6               /* Create GOT entry */
 727 #define R_386_JMP_SLOT  7               /* Create PLT entry */
 728 #define R_386_RELATIVE  8               /* Adjust by program base */
 729 #define R_386_GOTOFF    9               /* 32 bit offset to GOT */
 730 #define R_386_GOTPC     10              /* 32 bit PC relative offset to GOT */
 731
 732 /* SUN SPARC specific definitions.  */
 733
 734 /* Values for Elf64_Ehdr.e_flags.  */
 735
 736 #define EF_SPARCV9_MM           3
 737 #define EF_SPARCV9_TSO          0
 738 #define EF_SPARCV9_PSO          1
 739 #define EF_SPARCV9_RMO          2
 740 #define EF_SPARC_EXT_MASK       0xFFFF00
 741 #define EF_SPARC_SUN_US1        0x000200
 742 #define EF_SPARC_HAL_R1         0x000400
 743
 744 /* SPARC relocs.  */
 745
 746 #define R_SPARC_NONE    0               /* No reloc */
 747 #define R_SPARC_8       1               /* Direct 8 bit */
 748 #define R_SPARC_16      2               /* Direct 16 bit */
 749 #define R_SPARC_32      3               /* Direct 32 bit */
 750 #define R_SPARC_DISP8   4               /* PC relative 8 bit */
 751 #define R_SPARC_DISP16  5               /* PC relative 16 bit */
 752 #define R_SPARC_DISP32  6               /* PC relative 32 bit */
 753 #define R_SPARC_WDISP30 7               /* PC relative 30 bit shifted */
 754 #define R_SPARC_WDISP22 8               /* PC relative 22 bit shifted */
 755 #define R_SPARC_HI22    9               /* High 22 bit */
 756 #define R_SPARC_22      10              /* Direct 22 bit */
 757 #define R_SPARC_13      11              /* Direct 13 bit */
 758 #define R_SPARC_LO10    12              /* Truncated 10 bit */
 759 #define R_SPARC_GOT10   13              /* Truncated 10 bit GOT entry */
 760 #define R_SPARC_GOT13   14              /* 13 bit GOT entry */
 761 #define R_SPARC_GOT22   15              /* 22 bit GOT entry shifted */
 762 #define R_SPARC_PC10    16              /* PC relative 10 bit truncated */
 763 #define R_SPARC_PC22    17              /* PC relative 22 bit shifted */
 764 #define R_SPARC_WPLT30  18              /* 30 bit PC relative PLT address */
 765 #define R_SPARC_COPY    19              /* Copy symbol at runtime */
 766 #define R_SPARC_GLOB_DAT 20             /* Create GOT entry */
 767 #define R_SPARC_JMP_SLOT 21             /* Create PLT entry */
 768 #define R_SPARC_RELATIVE 22             /* Adjust by program base */
 769 #define R_SPARC_UA32    23              /* Direct 32 bit unaligned */
 770
 771 /* Additional Sparc64 relocs.  */
 772
 773 #define R_SPARC_PLT32   24              /* Direct 32 bit ref to PLT entry */
 774 #define R_SPARC_HIPLT22 25              /* High 22 bit PLT entry */
 775 #define R_SPARC_LOPLT10 26              /* Truncated 10 bit PLT entry */
 776 #define R_SPARC_PCPLT32 27              /* PC rel 32 bit ref to PLT entry */
 777 #define R_SPARC_PCPLT22 28              /* PC rel high 22 bit PLT entry */
 778 #define R_SPARC_PCPLT10 29              /* PC rel trunc 10 bit PLT entry */
 779 #define R_SPARC_10      30              /* Direct 10 bit */
 780 #define R_SPARC_11      31              /* Direct 11 bit */
 781 #define R_SPARC_64      32              /* Direct 64 bit */
 782 #define R_SPARC_OLO10   33              /* ?? */
 783 #define R_SPARC_HH22    34              /* Top 22 bits of direct 64 bit */
 784 #define R_SPARC_HM10    35              /* High middle 10 bits of ... */
 785 #define R_SPARC_LM22    36              /* Low middle 22 bits of ... */
 786 #define R_SPARC_PC_HH22 37              /* Top 22 bits of pc rel 64 bit */
 787 #define R_SPARC_PC_HM10 38              /* High middle 10 bit of ... */
 788 #define R_SPARC_PC_LM22 39              /* Low miggle 22 bits of ... */
 789 #define R_SPARC_WDISP16 40              /* PC relative 16 bit shifted */
 790 #define R_SPARC_WDISP19 41              /* PC relative 19 bit shifted */
 791 #define R_SPARC_7       43              /* Direct 7 bit */
 792 #define R_SPARC_5       44              /* Direct 5 bit */
 793 #define R_SPARC_6       45              /* Direct 6 bit */
 794 #define R_SPARC_DISP64  46              /* PC relative 64 bit */
 795 #define R_SPARC_PLT64   47              /* Direct 64 bit ref to PLT entry */
 796 #define R_SPARC_HIX22   48              /* High 22 bit complemented */
 797 #define R_SPARC_LOX10   49              /* Truncated 11 bit complemented */
 798 #define R_SPARC_H44     50              /* Direct high 12 of 44 bit */
 799 #define R_SPARC_M44     51              /* Direct mid 22 of 44 bit */
 800 #define R_SPARC_L44     52              /* Direct low 10 of 44 bit */
 801 #define R_SPARC_REGISTER 53             /* Global register usage */
 802 #define R_SPARC_UA64    54              /* Direct 64 bit unaligned */
 803 #define R_SPARC_UA16    55              /* Direct 16 bit unaligned */
 804
 805 /* For Sparc64, legal values for d_tag of Elf64_Dyn.  */
 806
 807 #define DT_SPARC_REGISTER 0x70000001
 808 #define DT_SPARC_NUM    2
 809
 810 /* Bits present in AT_HWCAP, primarily for Sparc32.  */
 811
 812 #define HWCAP_SPARC_FLUSH       1       /* The cpu supports flush insn.  */
 813 #define HWCAP_SPARC_STBAR       2
 814 #define HWCAP_SPARC_SWAP        4
 815 #define HWCAP_SPARC_MULDIV      8
 816 #define HWCAP_SPARC_V9          16      /* The cpu is v9, so v8plus is ok.  */
 817
 818 /* MIPS R3000 specific definitions.  */
 819
 820 /* Legal values for e_flags field of Elf32_Ehdr.  */
 821
 822 #define EF_MIPS_NOREORDER 1             /* A .noreorder directive was used */
 823 #define EF_MIPS_PIC       2             /* Contains PIC code */
 824 #define EF_MIPS_CPIC      4             /* Uses PIC calling sequence */
 825 #define EF_MIPS_ARCH      0xf0000000    /* MIPS architecture level */
 826
 827 /* Legal values for MIPS architecture level.  */
 828
 829 #define E_MIPS_ARCH_1     0x00000000    /* -mips1 code.  */
 830 #define E_MIPS_ARCH_2     0x10000000    /* -mips2 code.  */
 831 #define E_MIPS_ARCH_3     0x20000000    /* -mips3 code.  */
 832 #define E_MIPS_ARCH_4     0x30000000    /* -mips4 code.  */
 833 #define E_MIPS_ARCH_5     0x40000000    /* -mips5 code.  */
 834
 835 /* Special section indices.  */
 836
 837 #define SHN_MIPS_ACOMMON 0xff00         /* Allocated common symbols */
 838 #define SHN_MIPS_TEXT    0xff01         /* Allocated test symbols.  */
 839 #define SHN_MIPS_DATA    0xff02         /* Allocated data symbols.  */
 840 #define SHN_MIPS_SCOMMON 0xff03         /* Small common symbols */
 841 #define SHN_MIPS_SUNDEFINED 0xff04      /* Small undefined symbols */
 842
 843 /* Legal values for sh_type field of Elf32_Shdr.  */
 844
 845 #define SHT_MIPS_LIBLIST  0x70000000    /* Shared objects used in link */
 846 #define SHT_MIPS_CONFLICT 0x70000002    /* Conflicting symbols */
 847 #define SHT_MIPS_GPTAB    0x70000003    /* Global data area sizes */
 848 #define SHT_MIPS_UCODE    0x70000004    /* Reserved for SGI/MIPS compilers */
 849 #define SHT_MIPS_DEBUG    0x70000005    /* MIPS ECOFF debugging information */
 850 #define SHT_MIPS_REGINFO  0x70000006    /* Register usage information */
 851 #define SHT_MIPS_OPTIONS  0x7000000d    /* Miscellaneous options.  */
 852 #define SHT_MIPS_DWARF    0x7000001e    /* DWARF debugging information.  */
 853 #define SHT_MIPS_EVENTS   0x70000021    /* Event section.  */
 854
 855 /* Legal values for sh_flags field of Elf32_Shdr.  */
 856
 857 #define SHF_MIPS_GPREL  0x10000000      /* Must be part of global data area */
 858
 859 /* Entries found in sections of type SHT_MIPS_GPTAB.  */
 860
 861 typedef union
 862 {
 863   struct
 864     {
 865       Elf32_Word gt_current_g_value;    /* -G value used for compilation */
 866       Elf32_Word gt_unused;             /* Not used */
 867     } gt_header;                        /* First entry in section */
 868   struct
 869     {
 870       Elf32_Word gt_g_value;            /* If this value were used for -G */
 871       Elf32_Word gt_bytes;              /* This many bytes would be used */
 872     } gt_entry;                         /* Subsequent entries in section */
 873 } Elf32_gptab;
 874
 875 /* Entry found in sections of type SHT_MIPS_REGINFO.  */
 876
 877 typedef struct
 878 {
 879   Elf32_Word    ri_gprmask;             /* General registers used */
 880   Elf32_Word    ri_cprmask[4];          /* Coprocessor registers used */
 881   Elf32_Sword   ri_gp_value;            /* $gp register value */
 882 } Elf32_RegInfo;
 883
 884 /* MIPS relocs.  */
 885
 886 #define R_MIPS_NONE     0               /* No reloc */
 887 #define R_MIPS_16       1               /* Direct 16 bit */
 888 #define R_MIPS_32       2               /* Direct 32 bit */
 889 #define R_MIPS_REL32    3               /* PC relative 32 bit */
 890 #define R_MIPS_26       4               /* Direct 26 bit shifted */
 891 #define R_MIPS_HI16     5               /* High 16 bit */
 892 #define R_MIPS_LO16     6               /* Low 16 bit */
 893 #define R_MIPS_GPREL16  7               /* GP relative 16 bit */
 894 #define R_MIPS_LITERAL  8               /* 16 bit literal entry */
 895 #define R_MIPS_GOT16    9               /* 16 bit GOT entry */
 896 #define R_MIPS_PC16     10              /* PC relative 16 bit */
 897 #define R_MIPS_CALL16   11              /* 16 bit GOT entry for function */
 898 #define R_MIPS_GPREL32  12              /* GP relative 32 bit */
 899
 900 /* Legal values for p_type field of Elf32_Phdr.  */
 901
 902 #define PT_MIPS_REGINFO 0x70000000      /* Register usage information */
 903 #define PT_MIPS_RTPROC  0x70000001      /* Runtime procedure table. */
 904 #define PT_MIPS_OPTIONS 0x70000002
 905
 906 /* Legal values for d_tag field of Elf32_Dyn.  */
 907
 908 #define DT_MIPS_RLD_VERSION  0x70000001 /* Runtime linker interface version */
 909 #define DT_MIPS_TIME_STAMP   0x70000002 /* Timestamp */
 910 #define DT_MIPS_ICHECKSUM    0x70000003 /* Checksum */
 911 #define DT_MIPS_IVERSION     0x70000004 /* Version string (string tbl index) */
 912 #define DT_MIPS_FLAGS        0x70000005 /* Flags */
 913 #define DT_MIPS_BASE_ADDRESS 0x70000006 /* Base address */
 914 #define DT_MIPS_CONFLICT     0x70000008 /* Address of CONFLICT section */
 915 #define DT_MIPS_LIBLIST      0x70000009 /* Address of LIBLIST section */
 916 #define DT_MIPS_LOCAL_GOTNO  0x7000000a /* Number of local GOT entries */
 917 #define DT_MIPS_CONFLICTNO   0x7000000b /* Number of CONFLICT entries */
 918 #define DT_MIPS_LIBLISTNO    0x70000010 /* Number of LIBLIST entries */
 919 #define DT_MIPS_SYMTABNO     0x70000011 /* Number of DYNSYM entries */
 920 #define DT_MIPS_UNREFEXTNO   0x70000012 /* First external DYNSYM */
 921 #define DT_MIPS_GOTSYM       0x70000013 /* First GOT entry in DYNSYM */
 922 #define DT_MIPS_HIPAGENO     0x70000014 /* Number of GOT page table entries */
 923 #define DT_MIPS_RLD_MAP      0x70000016 /* Address of run time loader map.  */
 924 #define DT_MIPS_NUM          0x17
 925
 926 /* Legal values for DT_MIPS_FLAG Elf32_Dyn entry.  */
 927
 928 #define RHF_NONE                   0            /* No flags */
 929 #define RHF_QUICKSTART             (1 << 0)     /* Use quickstart */
 930 #define RHF_NOTPOT                 (1 << 1)     /* Hash size not power of 2 */
 931 #define RHF_NO_LIBRARY_REPLACEMENT (1 << 2)     /* Ignore LD_LIBRARY_PATH */
 932
 933 /* Entries found in sections of type SHT_MIPS_LIBLIST.  */
 934
 935 typedef struct
 936 {
 937   Elf32_Word    l_name;                 /* Name (string table index) */
 938   Elf32_Word    l_time_stamp;           /* Timestamp */
 939   Elf32_Word    l_checksum;             /* Checksum */
 940   Elf32_Word    l_version;              /* Interface version */
 941   Elf32_Word    l_flags;                /* Flags */
 942 } Elf32_Lib;
 943
 944 /* Legal values for l_flags.  */
 945
 946 #define LL_EXACT_MATCH    (1 << 0)      /* Require exact match */
 947 #define LL_IGNORE_INT_VER (1 << 1)      /* Ignore interface version */
 948
 949 /* Entries found in sections of type SHT_MIPS_CONFLICT.  */
 950
 951 typedef Elf32_Addr Elf32_Conflict;
 952
 953
 954 /* HPPA specific definitions.  */
 955
 956 /* Legal values for sh_type field of Elf32_Shdr.  */
 957
 958 #define SHT_PARISC_GOT          0x70000000 /* GOT for external data.  */
 959 #define SHT_PARISC_ARCH         0x70000001 /* Architecture extensions.  */
 960 #define SHT_PARISC_GLOBAL       0x70000002 /* Definition of $global$.  */
 961 #define SHT_PARISC_MILLI        0x70000003 /* Millicode routines.  */
 962 #define SHT_PARISC_UNWIND       0x70000004 /* Unwind information.  */
 963 #define SHT_PARISC_PLT          0x70000005 /* Procedure linkage table.  */
 964 #define SHT_PARISC_SDATA        0x70000006 /* Short initialized data.  */
 965 #define SHT_PARISC_SBSS         0x70000007 /* Short uninitialized data.  */
 966 #define SHT_PARISC_SYMEXTN      0x70000008 /* Argument/relocation info.  */
 967 #define SHT_PARISC_STUBS        0x70000009 /* Linker stubs.  */
 968
 969 /* Legal values for sh_flags field of Elf32_Shdr.  */
 970
 971 #define SHF_PARISC_SHORT        0x20000000 /* Section with short addressing. */
 972
 973 /* Legal values for ST_TYPE subfield of st_info (symbol type).  */
 974
 975 #define STT_PARISC_MILLICODE    13      /* Millicode function entry point.  */
 976
 977
 978 /* Alpha specific definitions.  */
 979
 980 /* Legal values for e_flags field of Elf64_Ehdr.  */
 981
 982 #define EF_ALPHA_32BIT          1       /* All addresses must be < 2GB.  */
 983 #define EF_ALPHA_CANRELAX       2       /* Relocations for relaxing exist.  */
 984
 985 /* Legal values for sh_type field of Elf64_Shdr.  */
 986
 987 /* These two are primerily concerned with ECOFF debugging info.  */
 988 #define SHT_ALPHA_DEBUG         0x70000001
 989 #define SHT_ALPHA_REGINFO       0x70000002
 990
 991 /* Legal values for sh_flags field of Elf64_Shdr.  */
 992
 993 #define SHF_ALPHA_GPREL         0x10000000
 994
 995 /* Alpha relocs.  */
 996
 997 #define R_ALPHA_NONE            0       /* No reloc */
 998 #define R_ALPHA_REFLONG         1       /* Direct 32 bit */
 999 #define R_ALPHA_REFQUAD         2       /* Direct 64 bit */
1000 #define R_ALPHA_GPREL32         3       /* GP relative 32 bit */
1001 #define R_ALPHA_LITERAL         4       /* GP relative 16 bit w/optimization */
1002 #define R_ALPHA_LITUSE          5       /* Optimization hint for LITERAL */
1003 #define R_ALPHA_GPDISP          6       /* Add displacement to GP */
1004 #define R_ALPHA_BRADDR          7       /* PC+4 relative 23 bit shifted */
1005 #define R_ALPHA_HINT            8       /* PC+4 relative 16 bit shifted */
1006 #define R_ALPHA_SREL16          9       /* PC relative 16 bit */
1007 #define R_ALPHA_SREL32          10      /* PC relative 32 bit */
1008 #define R_ALPHA_SREL64          11      /* PC relative 64 bit */
1009 #define R_ALPHA_OP_PUSH         12      /* OP stack push */
1010 #define R_ALPHA_OP_STORE        13      /* OP stack pop and store */
1011 #define R_ALPHA_OP_PSUB         14      /* OP stack subtract */
1012 #define R_ALPHA_OP_PRSHIFT      15      /* OP stack right shift */
1013 #define R_ALPHA_GPVALUE         16
1014 #define R_ALPHA_GPRELHIGH       17
1015 #define R_ALPHA_GPRELLOW        18
1016 #define R_ALPHA_IMMED_GP_16     19
1017 #define R_ALPHA_IMMED_GP_HI32   20
1018 #define R_ALPHA_IMMED_SCN_HI32  21
1019 #define R_ALPHA_IMMED_BR_HI32   22
1020 #define R_ALPHA_IMMED_LO32      23
1021 #define R_ALPHA_COPY            24      /* Copy symbol at runtime */
1022 #define R_ALPHA_GLOB_DAT        25      /* Create GOT entry */
1023 #define R_ALPHA_JMP_SLOT        26      /* Create PLT entry */
1024 #define R_ALPHA_RELATIVE        27      /* Adjust by program base */
1025
1026
1027 /* PowerPC specific declarations */
1028
1029 /* PowerPC relocations defined by the ABIs */
1030 #define R_PPC_NONE              0
1031 #define R_PPC_ADDR32            1
1032 #define R_PPC_ADDR24            2
1033 #define R_PPC_ADDR16            3
1034 #define R_PPC_ADDR16_LO         4
1035 #define R_PPC_ADDR16_HI         5
1036 #define R_PPC_ADDR16_HA         6
1037 #define R_PPC_ADDR14            7
1038 #define R_PPC_ADDR14_BRTAKEN    8
1039 #define R_PPC_ADDR14_BRNTAKEN   9
1040 #define R_PPC_REL24             10
1041 #define R_PPC_REL14             11
1042 #define R_PPC_REL14_BRTAKEN     12
1043 #define R_PPC_REL14_BRNTAKEN    13
1044 #define R_PPC_GOT16             14
1045 #define R_PPC_GOT16_LO          15
1046 #define R_PPC_GOT16_HI          16
1047 #define R_PPC_GOT16_HA          17
1048 #define R_PPC_PLTREL24          18
1049 #define R_PPC_COPY              19
1050 #define R_PPC_GLOB_DAT          20
1051 #define R_PPC_JMP_SLOT          21
1052 #define R_PPC_RELATIVE          22
1053 #define R_PPC_LOCAL24PC         23
1054 #define R_PPC_UADDR32           24
1055 #define R_PPC_UADDR16           25
1056 #define R_PPC_REL32             26
1057 #define R_PPC_PLT32             27
1058 #define R_PPC_PLTREL32          28
1059 #define R_PPC_PLT16_LO          29
1060 #define R_PPC_PLT16_HI          30
1061 #define R_PPC_PLT16_HA          31
1062 #define R_PPC_SDAREL16          32
1063 #define R_PPC_SECTOFF           33
1064 #define R_PPC_SECTOFF_LO        34
1065 #define R_PPC_SECTOFF_HI        35
1066 #define R_PPC_SECTOFF_HA        36
1067
1068 /* The remaining relocs are from the Embedded ELF ABI, and are not
1069    in the SVR4 ELF ABI.  */
1070 #define R_PPC_EMB_NADDR32       101
1071 #define R_PPC_EMB_NADDR16       102
1072 #define R_PPC_EMB_NADDR16_LO    103
1073 #define R_PPC_EMB_NADDR16_HI    104
1074 #define R_PPC_EMB_NADDR16_HA    105
1075 #define R_PPC_EMB_SDAI16        106
1076 #define R_PPC_EMB_SDA2I16       107
1077 #define R_PPC_EMB_SDA2REL       108
1078 #define R_PPC_EMB_SDA21         109
1079 #define R_PPC_EMB_MRKREF        110
1080 #define R_PPC_EMB_RELSEC16      111
1081 #define R_PPC_EMB_RELST_LO      112
1082 #define R_PPC_EMB_RELST_HI      113
1083 #define R_PPC_EMB_RELST_HA      114
1084 #define R_PPC_EMB_BIT_FLD       115
1085 #define R_PPC_EMB_RELSDA        116
1086
1087 /* This is a phony reloc to handle any old fashioned TOC16 references
1088    that may still be in object files.  */
1089 #define R_PPC_TOC16             255
1090
1091
1092 /* ARM specific declarations */
1093
1094 /* ARM relocs.  */
1095
1096 #define R_ARM_NONE      0               /* No reloc */
1097 #define R_ARM_PC24      1               /* PC relative 26 bit branch */
1098 #define R_ARM_ABS32     2               /* Direct 32 bit  */
1099 #define R_ARM_REL32     3               /* PC relative 32 bit */
1100 #define R_ARM_COPY      20              /* Copy symbol at runtime */
1101 #define R_ARM_GLOB_DAT  21              /* Create GOT entry */
1102 #define R_ARM_JUMP_SLOT 22              /* Create PLT entry */
1103 #define R_ARM_RELATIVE  23              /* Adjust by program base */
1104 #define R_ARM_GOTOFF    24              /* 32 bit offset to GOT */
1105 #define R_ARM_GOTPC     25              /* 32 bit PC relative offset to GOT */
1106 #define R_ARM_GOT32     26              /* 32 bit GOT entry */
1107 #define R_ARM_PLT32     27              /* 32 bit PLT address */
1108
1109 __END_DECLS
1110
1111 #endif  /* elf.h */