include/elf/common.h

   1 /* ELF support for BFD.
   2    Copyright 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000,
   3    2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012,
   4    2013
   5    Free Software Foundation, Inc.
   6
   7    Written by Fred Fish @ Cygnus Support, from information published
   8    in "UNIX System V Release 4, Programmers Guide: ANSI C and
   9    Programming Support Tools".
  10
  11    This file is part of BFD, the Binary File Descriptor library.
  12
  13    This program is free software; you can redistribute it and/or modify
  14    it under the terms of the GNU General Public License as published by
  15    the Free Software Foundation; either version 3 of the License, or
  16    (at your option) any later version.
  17
  18    This program is distributed in the hope that it will be useful,
  19    but WITHOUT ANY WARRANTY; without even the implied warranty of
  20    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  21    GNU General Public License for more details.
  22
  23    You should have received a copy of the GNU General Public License
  24    along with this program; if not, write to the Free Software
  25    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  26    MA 02110-1301, USA.  */
  27
  28 /* This file is part of ELF support for BFD, and contains the portions
  29    that are common to both the internal and external representations.
  30    For example, ELFMAG0 is the byte 0x7F in both the internal (in-memory)
  31    and external (in-file) representations.  */
  32
  33 #ifndef _ELF_COMMON_H
  34 #define _ELF_COMMON_H
  35
  36 /* Fields in e_ident[].  */
  37
  38 #define EI_MAG0         0       /* File identification byte 0 index */
  39 #define ELFMAG0            0x7F /* Magic number byte 0 */
  40
  41 #define EI_MAG1         1       /* File identification byte 1 index */
  42 #define ELFMAG1             'E' /* Magic number byte 1 */
  43
  44 #define EI_MAG2         2       /* File identification byte 2 index */
  45 #define ELFMAG2             'L' /* Magic number byte 2 */
  46
  47 #define EI_MAG3         3       /* File identification byte 3 index */
  48 #define ELFMAG3             'F' /* Magic number byte 3 */
  49
  50 #define EI_CLASS        4       /* File class */
  51 #define ELFCLASSNONE          0 /* Invalid class */
  52 #define ELFCLASS32            1 /* 32-bit objects */
  53 #define ELFCLASS64            2 /* 64-bit objects */
  54
  55 #define EI_DATA         5       /* Data encoding */
  56 #define ELFDATANONE           0 /* Invalid data encoding */
  57 #define ELFDATA2LSB           1 /* 2's complement, little endian */
  58 #define ELFDATA2MSB           2 /* 2's complement, big endian */
  59
  60 #define EI_VERSION      6       /* File version */
  61
  62 #define EI_OSABI        7       /* Operating System/ABI indication */
  63 #define ELFOSABI_NONE         0 /* UNIX System V ABI */
  64 #define ELFOSABI_HPUX         1 /* HP-UX operating system */
  65 #define ELFOSABI_NETBSD       2 /* NetBSD */
  66 #define ELFOSABI_GNU          3 /* GNU */
  67 #define ELFOSABI_LINUX        3 /* Alias for ELFOSABI_GNU */
  68 #define ELFOSABI_SOLARIS      6 /* Solaris */
  69 #define ELFOSABI_AIX          7 /* AIX */
  70 #define ELFOSABI_IRIX         8 /* IRIX */
  71 #define ELFOSABI_FREEBSD      9 /* FreeBSD */
  72 #define ELFOSABI_TRU64       10 /* TRU64 UNIX */
  73 #define ELFOSABI_MODESTO     11 /* Novell Modesto */
  74 #define ELFOSABI_OPENBSD     12 /* OpenBSD */
  75 #define ELFOSABI_OPENVMS     13 /* OpenVMS */
  76 #define ELFOSABI_NSK         14 /* Hewlett-Packard Non-Stop Kernel */
  77 #define ELFOSABI_AROS        15 /* AROS */
  78 #define ELFOSABI_FENIXOS     16 /* FenixOS */
  79 #define ELFOSABI_C6000_ELFABI 64 /* Bare-metal TMS320C6000 */
  80 #define ELFOSABI_C6000_LINUX 65 /* Linux TMS320C6000 */
  81 #define ELFOSABI_ARM         97 /* ARM */
  82 #define ELFOSABI_STANDALONE 255 /* Standalone (embedded) application */
  83
  84 #define EI_ABIVERSION   8       /* ABI version */
  85
  86 #define EI_PAD          9       /* Start of padding bytes */
  87
  88
  89 /* Values for e_type, which identifies the object file type.  */
  90
  91 #define ET_NONE         0       /* No file type */
  92 #define ET_REL          1       /* Relocatable file */
  93 #define ET_EXEC         2       /* Executable file */
  94 #define ET_DYN          3       /* Shared object file */
  95 #define ET_CORE         4       /* Core file */
  96 #define ET_LOOS         0xFE00  /* Operating system-specific */
  97 #define ET_HIOS         0xFEFF  /* Operating system-specific */
  98 #define ET_LOPROC       0xFF00  /* Processor-specific */
  99 #define ET_HIPROC       0xFFFF  /* Processor-specific */
 100
 101 /* Values for e_machine, which identifies the architecture.  These numbers
 102    are officially assigned by registry@sco.com.  See below for a list of
 103    ad-hoc numbers used during initial development.  */
 104
 105 #define EM_NONE           0     /* No machine */
 106 #define EM_M32            1     /* AT&T WE 32100 */
 107 #define EM_SPARC          2     /* SUN SPARC */
 108 #define EM_386            3     /* Intel 80386 */
 109 #define EM_68K            4     /* Motorola m68k family */
 110 #define EM_88K            5     /* Motorola m88k family */
 111 #define EM_486            6     /* Intel 80486 *//* Reserved for future use */
 112 #define EM_860            7     /* Intel 80860 */
 113 #define EM_MIPS           8     /* MIPS R3000 (officially, big-endian only) */
 114 #define EM_S370           9     /* IBM System/370 */
 115 #define EM_MIPS_RS3_LE   10     /* MIPS R3000 little-endian (Oct 4 1999 Draft) Deprecated */
 116 #define EM_res011        11     /* Reserved */
 117 #define EM_res012        12     /* Reserved */
 118 #define EM_res013        13     /* Reserved */
 119 #define EM_res014        14     /* Reserved */
 120 #define EM_PARISC        15     /* HPPA */
 121 #define EM_res016        16     /* Reserved */
 122 #define EM_VPP550        17     /* Fujitsu VPP500 */
 123 #define EM_SPARC32PLUS   18     /* Sun's "v8plus" */
 124 #define EM_960           19     /* Intel 80960 */
 125 #define EM_PPC           20     /* PowerPC */
 126 #define EM_PPC64         21     /* 64-bit PowerPC */
 127 #define EM_S390          22     /* IBM S/390 */
 128 #define EM_SPU           23     /* Sony/Toshiba/IBM SPU */
 129 #define EM_res024        24     /* Reserved */
 130 #define EM_res025        25     /* Reserved */
 131 #define EM_res026        26     /* Reserved */
 132 #define EM_res027        27     /* Reserved */
 133 #define EM_res028        28     /* Reserved */
 134 #define EM_res029        29     /* Reserved */
 135 #define EM_res030        30     /* Reserved */
 136 #define EM_res031        31     /* Reserved */
 137 #define EM_res032        32     /* Reserved */
 138 #define EM_res033        33     /* Reserved */
 139 #define EM_res034        34     /* Reserved */
 140 #define EM_res035        35     /* Reserved */
 141 #define EM_V800          36     /* NEC V800 series */
 142 #define EM_FR20          37     /* Fujitsu FR20 */
 143 #define EM_RH32          38     /* TRW RH32 */
 144 #define EM_MCORE         39     /* Motorola M*Core */ /* May also be taken by Fujitsu MMA */
 145 #define EM_RCE           39     /* Old name for MCore */
 146 #define EM_ARM           40     /* ARM */
 147 #define EM_OLD_ALPHA     41     /* Digital Alpha */
 148 #define EM_SH            42     /* Renesas (formerly Hitachi) / SuperH SH */
 149 #define EM_SPARCV9       43     /* SPARC v9 64-bit */
 150 #define EM_TRICORE       44     /* Siemens Tricore embedded processor */
 151 #define EM_ARC           45     /* ARC Cores */
 152 #define EM_H8_300        46     /* Renesas (formerly Hitachi) H8/300 */
 153 #define EM_H8_300H       47     /* Renesas (formerly Hitachi) H8/300H */
 154 #define EM_H8S           48     /* Renesas (formerly Hitachi) H8S */
 155 #define EM_H8_500        49     /* Renesas (formerly Hitachi) H8/500 */
 156 #define EM_IA_64         50     /* Intel IA-64 Processor */
 157 #define EM_MIPS_X        51     /* Stanford MIPS-X */
 158 #define EM_COLDFIRE      52     /* Motorola Coldfire */
 159 #define EM_68HC12        53     /* Motorola M68HC12 */
 160 #define EM_MMA           54     /* Fujitsu Multimedia Accelerator */
 161 #define EM_PCP           55     /* Siemens PCP */
 162 #define EM_NCPU          56     /* Sony nCPU embedded RISC processor */
 163 #define EM_NDR1          57     /* Denso NDR1 microprocessor */
 164 #define EM_STARCORE      58     /* Motorola Star*Core processor */
 165 #define EM_ME16          59     /* Toyota ME16 processor */
 166 #define EM_ST100         60     /* STMicroelectronics ST100 processor */
 167 #define EM_TINYJ         61     /* Advanced Logic Corp. TinyJ embedded processor */
 168 #define EM_X86_64        62     /* Advanced Micro Devices X86-64 processor */
 169 #define EM_PDSP          63     /* Sony DSP Processor */
 170 #define EM_PDP10         64     /* Digital Equipment Corp. PDP-10 */
 171 #define EM_PDP11         65     /* Digital Equipment Corp. PDP-11 */
 172 #define EM_FX66          66     /* Siemens FX66 microcontroller */
 173 #define EM_ST9PLUS       67     /* STMicroelectronics ST9+ 8/16 bit microcontroller */
 174 #define EM_ST7           68     /* STMicroelectronics ST7 8-bit microcontroller */
 175 #define EM_68HC16        69     /* Motorola MC68HC16 Microcontroller */
 176 #define EM_68HC11        70     /* Motorola MC68HC11 Microcontroller */
 177 #define EM_68HC08        71     /* Motorola MC68HC08 Microcontroller */
 178 #define EM_68HC05        72     /* Motorola MC68HC05 Microcontroller */
 179 #define EM_SVX           73     /* Silicon Graphics SVx */
 180 #define EM_ST19          74     /* STMicroelectronics ST19 8-bit cpu */
 181 #define EM_VAX           75     /* Digital VAX */
 182 #define EM_CRIS          76     /* Axis Communications 32-bit embedded processor */
 183 #define EM_JAVELIN       77     /* Infineon Technologies 32-bit embedded cpu */
 184 #define EM_FIREPATH      78     /* Element 14 64-bit DSP processor */
 185 #define EM_ZSP           79     /* LSI Logic's 16-bit DSP processor */
 186 #define EM_MMIX          80     /* Donald Knuth's educational 64-bit processor */
 187 #define EM_HUANY         81     /* Harvard's machine-independent format */
 188 #define EM_PRISM         82     /* SiTera Prism */
 189 #define EM_AVR           83     /* Atmel AVR 8-bit microcontroller */
 190 #define EM_FR30          84     /* Fujitsu FR30 */
 191 #define EM_D10V          85     /* Mitsubishi D10V */
 192 #define EM_D30V          86     /* Mitsubishi D30V */
 193 #define EM_V850          87     /* Renesas V850 (formerly NEC V850) */
 194 #define EM_M32R          88     /* Renesas M32R (formerly Mitsubishi M32R) */
 195 #define EM_MN10300       89     /* Matsushita MN10300 */
 196 #define EM_MN10200       90     /* Matsushita MN10200 */
 197 #define EM_PJ            91     /* picoJava */
 198 #define EM_OPENRISC      92     /* OpenRISC 32-bit embedded processor */
 199 #define EM_ARC_A5        93     /* ARC Cores Tangent-A5 */
 200 #define EM_XTENSA        94     /* Tensilica Xtensa Architecture */
 201 #define EM_VIDEOCORE     95     /* Alphamosaic VideoCore processor */
 202 #define EM_TMM_GPP       96     /* Thompson Multimedia General Purpose Processor */
 203 #define EM_NS32K         97     /* National Semiconductor 32000 series */
 204 #define EM_TPC           98     /* Tenor Network TPC processor */
 205 #define EM_SNP1K         99     /* Trebia SNP 1000 processor */
 206 #define EM_ST200        100     /* STMicroelectronics ST200 microcontroller */
 207 #define EM_IP2K         101     /* Ubicom IP2022 micro controller */
 208 #define EM_MAX          102     /* MAX Processor */
 209 #define EM_CR           103     /* National Semiconductor CompactRISC */
 210 #define EM_F2MC16       104     /* Fujitsu F2MC16 */
 211 #define EM_MSP430       105     /* TI msp430 micro controller */
 212 #define EM_BLACKFIN     106     /* ADI Blackfin */
 213 #define EM_SE_C33       107     /* S1C33 Family of Seiko Epson processors */
 214 #define EM_SEP          108     /* Sharp embedded microprocessor */
 215 #define EM_ARCA         109     /* Arca RISC Microprocessor */
 216 #define EM_UNICORE      110     /* Microprocessor series from PKU-Unity Ltd. and MPRC of Peking University */
 217 #define EM_EXCESS       111     /* eXcess: 16/32/64-bit configurable embedded CPU */
 218 #define EM_DXP          112     /* Icera Semiconductor Inc. Deep Execution Processor */
 219 #define EM_ALTERA_NIOS2 113     /* Altera Nios II soft-core processor */
 220 #define EM_CRX          114     /* National Semiconductor CRX */
 221 #define EM_XGATE        115     /* Motorola XGATE embedded processor */
 222 #define EM_C166         116     /* Infineon C16x/XC16x processor */
 223 #define EM_M16C         117     /* Renesas M16C series microprocessors */
 224 #define EM_DSPIC30F     118     /* Microchip Technology dsPIC30F Digital Signal Controller */
 225 #define EM_CE           119     /* Freescale Communication Engine RISC core */
 226 #define EM_M32C         120     /* Renesas M32C series microprocessors */
 227 #define EM_res121       121     /* Reserved */
 228 #define EM_res122       122     /* Reserved */
 229 #define EM_res123       123     /* Reserved */
 230 #define EM_res124       124     /* Reserved */
 231 #define EM_res125       125     /* Reserved */
 232 #define EM_res126       126     /* Reserved */
 233 #define EM_res127       127     /* Reserved */
 234 #define EM_res128       128     /* Reserved */
 235 #define EM_res129       129     /* Reserved */
 236 #define EM_res130       130     /* Reserved */
 237 #define EM_TSK3000      131     /* Altium TSK3000 core */
 238 #define EM_RS08         132     /* Freescale RS08 embedded processor */
 239 #define EM_res133       133     /* Reserved */
 240 #define EM_ECOG2        134     /* Cyan Technology eCOG2 microprocessor */
 241 #define EM_SCORE        135     /* Sunplus Score */
 242 #define EM_SCORE7       135     /* Sunplus S+core7 RISC processor */
 243 #define EM_DSP24        136     /* New Japan Radio (NJR) 24-bit DSP Processor */
 244 #define EM_VIDEOCORE3   137     /* Broadcom VideoCore III processor */
 245 #define EM_LATTICEMICO32 138    /* RISC processor for Lattice FPGA architecture */
 246 #define EM_SE_C17       139     /* Seiko Epson C17 family */
 247 #define EM_TI_C6000     140     /* Texas Instruments TMS320C6000 DSP family */
 248 #define EM_TI_C2000     141     /* Texas Instruments TMS320C2000 DSP family */
 249 #define EM_TI_C5500     142     /* Texas Instruments TMS320C55x DSP family */
 250 #define EM_res143       143     /* Reserved */
 251 #define EM_res144       144     /* Reserved */
 252 #define EM_res145       145     /* Reserved */
 253 #define EM_res146       146     /* Reserved */
 254 #define EM_res147       147     /* Reserved */
 255 #define EM_res148       148     /* Reserved */
 256 #define EM_res149       149     /* Reserved */
 257 #define EM_res150       150     /* Reserved */
 258 #define EM_res151       151     /* Reserved */
 259 #define EM_res152       152     /* Reserved */
 260 #define EM_res153       153     /* Reserved */
 261 #define EM_res154       154     /* Reserved */
 262 #define EM_res155       155     /* Reserved */
 263 #define EM_res156       156     /* Reserved */
 264 #define EM_res157       157     /* Reserved */
 265 #define EM_res158       158     /* Reserved */
 266 #define EM_res159       159     /* Reserved */
 267 #define EM_MMDSP_PLUS   160     /* STMicroelectronics 64bit VLIW Data Signal Processor */
 268 #define EM_CYPRESS_M8C  161     /* Cypress M8C microprocessor */
 269 #define EM_R32C         162     /* Renesas R32C series microprocessors */
 270 #define EM_TRIMEDIA     163     /* NXP Semiconductors TriMedia architecture family */
 271 #define EM_QDSP6        164     /* QUALCOMM DSP6 Processor */
 272 #define EM_8051         165     /* Intel 8051 and variants */
 273 #define EM_STXP7X       166     /* STMicroelectronics STxP7x family */
 274 #define EM_NDS32        167     /* Andes Technology compact code size embedded RISC processor family */
 275 #define EM_ECOG1        168     /* Cyan Technology eCOG1X family */
 276 #define EM_ECOG1X       168     /* Cyan Technology eCOG1X family */
 277 #define EM_MAXQ30       169     /* Dallas Semiconductor MAXQ30 Core Micro-controllers */
 278 #define EM_XIMO16       170     /* New Japan Radio (NJR) 16-bit DSP Processor */
 279 #define EM_MANIK        171     /* M2000 Reconfigurable RISC Microprocessor */
 280 #define EM_CRAYNV2      172     /* Cray Inc. NV2 vector architecture */
 281 #define EM_RX           173     /* Renesas RX family */
 282 #define EM_METAG        174     /* Imagination Technologies Meta processor architecture */
 283 #define EM_MCST_ELBRUS  175     /* MCST Elbrus general purpose hardware architecture */
 284 #define EM_ECOG16       176     /* Cyan Technology eCOG16 family */
 285 #define EM_CR16         177     /* National Semiconductor CompactRISC 16-bit processor */
 286 #define EM_ETPU         178     /* Freescale Extended Time Processing Unit */
 287 #define EM_SLE9X        179     /* Infineon Technologies SLE9X core */
 288 #define EM_L1OM         180     /* Intel L1OM */
 289 #define EM_K1OM         181     /* Intel K1OM */
 290 #define EM_INTEL182     182     /* Reserved by Intel */
 291 #define EM_AARCH64      183     /* ARM 64-bit architecture */
 292 #define EM_ARM184       184     /* Reserved by ARM */
 293 #define EM_AVR32        185     /* Atmel Corporation 32-bit microprocessor family */
 294 #define EM_STM8 186     /* STMicroeletronics STM8 8-bit microcontroller */
 295 #define EM_TILE64       187     /* Tilera TILE64 multicore architecture family */
 296 #define EM_TILEPRO      188     /* Tilera TILEPro multicore architecture family */
 297 #define EM_MICROBLAZE   189     /* Xilinx MicroBlaze 32-bit RISC soft processor core */
 298 #define EM_CUDA         190     /* NVIDIA CUDA architecture */
 299 #define EM_TILEGX       191     /* Tilera TILE-Gx multicore architecture family */
 300 #define EM_RL78         197     /* Renesas RL78 family.  */
 301 #define EM_78K0R        199     /* Renesas 78K0R.  */
 302
 303 /* If it is necessary to assign new unofficial EM_* values, please pick large
 304    random numbers (0x8523, 0xa7f2, etc.) to minimize the chances of collision
 305    with official or non-GNU unofficial values.
 306
 307    NOTE: Do not just increment the most recent number by one.
 308    Somebody else somewhere will do exactly the same thing, and you
 309    will have a collision.  Instead, pick a random number.
 310
 311    Normally, each entity or maintainer responsible for a machine with an
 312    unofficial e_machine number should eventually ask registry@sco.com for
 313    an officially blessed number to be added to the list above.  */
 314
 315 /* Old version of Sparc v9, from before the ABI;
 316    This should be removed shortly.  */
 317 #define EM_OLD_SPARCV9          11
 318
 319 /* Old version of PowerPC, this should be removed shortly. */
 320 #define EM_PPC_OLD              17
 321
 322 /* picoJava */
 323 #define EM_PJ_OLD               99
 324
 325 /* Old, unofficial value for National Semiconductor CompactRISC - CR16 */
 326 #define EM_CR16_OLD             115
 327
 328 /* AVR magic number.  Written in the absense of an ABI.  */
 329 #define EM_AVR_OLD              0x1057
 330
 331 /* MSP430 magic number.  Written in the absense of everything.  */
 332 #define EM_MSP430_OLD           0x1059
 333
 334 /* Morpho MT.   Written in the absense of an ABI.  */
 335 #define EM_MT                   0x2530
 336
 337 /* FR30 magic number - no EABI available.  */
 338 #define EM_CYGNUS_FR30          0x3330
 339
 340 /* OpenRISC magic number.  Written in the absense of an ABI.  */
 341 #define EM_OPENRISC_OLD         0x3426
 342
 343 /* DLX magic number.  Written in the absense of an ABI.  */
 344 #define EM_DLX                  0x5aa5
 345
 346 /* FRV magic number - no EABI available??.  */
 347 #define EM_CYGNUS_FRV           0x5441
 348
 349 /* Infineon Technologies 16-bit microcontroller with C166-V2 core.  */
 350 #define EM_XC16X                0x4688
 351
 352 /* D10V backend magic number.  Written in the absence of an ABI.  */
 353 #define EM_CYGNUS_D10V          0x7650
 354
 355 /* D30V backend magic number.  Written in the absence of an ABI.  */
 356 #define EM_CYGNUS_D30V          0x7676
 357
 358 /* Ubicom IP2xxx;   Written in the absense of an ABI.  */
 359 #define EM_IP2K_OLD             0x8217
 360
 361 /* (Deprecated) Temporary number for the OpenRISC processor.  */
 362 #define EM_OR32                 0x8472
 363
 364 /* Cygnus PowerPC ELF backend.  Written in the absence of an ABI.  */
 365 #define EM_CYGNUS_POWERPC       0x9025
 366
 367 /* Alpha backend magic number.  Written in the absence of an ABI.  */
 368 #define EM_ALPHA                0x9026
 369
 370 /* Cygnus M32R ELF backend.  Written in the absence of an ABI.  */
 371 #define EM_CYGNUS_M32R          0x9041
 372
 373 /* V850 backend magic number.  Written in the absense of an ABI.  */
 374 #define EM_CYGNUS_V850          0x9080
 375
 376 /* old S/390 backend magic number. Written in the absence of an ABI.  */
 377 #define EM_S390_OLD             0xa390
 378
 379 /* Old, unofficial value for Xtensa.  */
 380 #define EM_XTENSA_OLD           0xabc7
 381
 382 #define EM_XSTORMY16            0xad45
 383
 384 /* mn10200 and mn10300 backend magic numbers.
 385    Written in the absense of an ABI.  */
 386 #define EM_CYGNUS_MN10300       0xbeef
 387 #define EM_CYGNUS_MN10200       0xdead
 388
 389 /* Renesas M32C and M16C.  */
 390 #define EM_M32C_OLD             0xFEB0
 391
 392 /* Vitesse IQ2000.  */
 393 #define EM_IQ2000               0xFEBA
 394
 395 /* NIOS magic number - no EABI available.  */
 396 #define EM_NIOS32               0xFEBB
 397
 398 #define EM_CYGNUS_MEP           0xF00D  /* Toshiba MeP */
 399
 400 #define EM_MOXIE                0xFEED  /* Moxie */
 401
 402 /* Old Sunplus S+core7 backend magic number. Written in the absence of an ABI.  */
 403 #define EM_SCORE_OLD            95
 404
 405 #define EM_MICROBLAZE_OLD       0xbaab  /* Old MicroBlaze */
 406
 407 #define EM_ADAPTEVA_EPIPHANY   0x1223  /* Adapteva's Epiphany architecture.  */
 408
 409 /* See the above comment before you add a new EM_* value here.  */
 410
 411 /* Values for e_version.  */
 412
 413 #define EV_NONE         0               /* Invalid ELF version */
 414 #define EV_CURRENT      1               /* Current version */
 415
 416 /* Value for e_phnum. */
 417 #define PN_XNUM         0xffff          /* Extended numbering */
 418
 419 /* Values for program header, p_type field.  */
 420
 421 #define PT_NULL         0               /* Program header table entry unused */
 422 #define PT_LOAD         1               /* Loadable program segment */
 423 #define PT_DYNAMIC      2               /* Dynamic linking information */
 424 #define PT_INTERP       3               /* Program interpreter */
 425 #define PT_NOTE         4               /* Auxiliary information */
 426 #define PT_SHLIB        5               /* Reserved, unspecified semantics */
 427 #define PT_PHDR         6               /* Entry for header table itself */
 428 #define PT_TLS          7               /* Thread local storage segment */
 429 #define PT_LOOS         0x60000000      /* OS-specific */
 430 #define PT_HIOS         0x6fffffff      /* OS-specific */
 431 #define PT_LOPROC       0x70000000      /* Processor-specific */
 432 #define PT_HIPROC       0x7FFFFFFF      /* Processor-specific */
 433
 434 #define PT_GNU_EH_FRAME (PT_LOOS + 0x474e550) /* Frame unwind information */
 435 #define PT_SUNW_EH_FRAME PT_GNU_EH_FRAME      /* Solaris uses the same value */
 436 #define PT_GNU_STACK    (PT_LOOS + 0x474e551) /* Stack flags */
 437 #define PT_GNU_RELRO    (PT_LOOS + 0x474e552) /* Read-only after relocation */
 438
 439 /* Program segment permissions, in program header p_flags field.  */
 440
 441 #define PF_X            (1 << 0)        /* Segment is executable */
 442 #define PF_W            (1 << 1)        /* Segment is writable */
 443 #define PF_R            (1 << 2)        /* Segment is readable */
 444 /* #define PF_MASKOS    0x0F000000    *//* OS-specific reserved bits */
 445 #define PF_MASKOS       0x0FF00000      /* New value, Oct 4, 1999 Draft */
 446 #define PF_MASKPROC     0xF0000000      /* Processor-specific reserved bits */
 447
 448 /* Values for section header, sh_type field.  */
 449
 450 #define SHT_NULL        0               /* Section header table entry unused */
 451 #define SHT_PROGBITS    1               /* Program specific (private) data */
 452 #define SHT_SYMTAB      2               /* Link editing symbol table */
 453 #define SHT_STRTAB      3               /* A string table */
 454 #define SHT_RELA        4               /* Relocation entries with addends */
 455 #define SHT_HASH        5               /* A symbol hash table */
 456 #define SHT_DYNAMIC     6               /* Information for dynamic linking */
 457 #define SHT_NOTE        7               /* Information that marks file */
 458 #define SHT_NOBITS      8               /* Section occupies no space in file */
 459 #define SHT_REL         9               /* Relocation entries, no addends */
 460 #define SHT_SHLIB       10              /* Reserved, unspecified semantics */
 461 #define SHT_DYNSYM      11              /* Dynamic linking symbol table */
 462
 463 #define SHT_INIT_ARRAY    14            /* Array of ptrs to init functions */
 464 #define SHT_FINI_ARRAY    15            /* Array of ptrs to finish functions */
 465 #define SHT_PREINIT_ARRAY 16            /* Array of ptrs to pre-init funcs */
 466 #define SHT_GROUP         17            /* Section contains a section group */
 467 #define SHT_SYMTAB_SHNDX  18            /* Indicies for SHN_XINDEX entries */
 468
 469 #define SHT_LOOS        0x60000000      /* First of OS specific semantics */
 470 #define SHT_HIOS        0x6fffffff      /* Last of OS specific semantics */
 471
 472 #define SHT_GNU_INCREMENTAL_INPUTS 0x6fff4700   /* incremental build data */
 473 #define SHT_GNU_ATTRIBUTES 0x6ffffff5   /* Object attributes */
 474 #define SHT_GNU_HASH    0x6ffffff6      /* GNU style symbol hash table */
 475 #define SHT_GNU_LIBLIST 0x6ffffff7      /* List of prelink dependencies */
 476
 477 /* The next three section types are defined by Solaris, and are named
 478    SHT_SUNW*.  We use them in GNU code, so we also define SHT_GNU*
 479    versions.  */
 480 #define SHT_SUNW_verdef 0x6ffffffd      /* Versions defined by file */
 481 #define SHT_SUNW_verneed 0x6ffffffe     /* Versions needed by file */
 482 #define SHT_SUNW_versym 0x6fffffff      /* Symbol versions */
 483
 484 #define SHT_GNU_verdef  SHT_SUNW_verdef
 485 #define SHT_GNU_verneed SHT_SUNW_verneed
 486 #define SHT_GNU_versym  SHT_SUNW_versym
 487
 488 #define SHT_LOPROC      0x70000000      /* Processor-specific semantics, lo */
 489 #define SHT_HIPROC      0x7FFFFFFF      /* Processor-specific semantics, hi */
 490 #define SHT_LOUSER      0x80000000      /* Application-specific semantics */
 491 /* #define SHT_HIUSER   0x8FFFFFFF    *//* Application-specific semantics */
 492 #define SHT_HIUSER      0xFFFFFFFF      /* New value, defined in Oct 4, 1999 Draft */
 493
 494 /* Values for section header, sh_flags field.  */
 495
 496 #define SHF_WRITE       (1 << 0)        /* Writable data during execution */
 497 #define SHF_ALLOC       (1 << 1)        /* Occupies memory during execution */
 498 #define SHF_EXECINSTR   (1 << 2)        /* Executable machine instructions */
 499 #define SHF_MERGE       (1 << 4)        /* Data in this section can be merged */
 500 #define SHF_STRINGS     (1 << 5)        /* Contains null terminated character strings */
 501 #define SHF_INFO_LINK   (1 << 6)        /* sh_info holds section header table index */
 502 #define SHF_LINK_ORDER  (1 << 7)        /* Preserve section ordering when linking */
 503 #define SHF_OS_NONCONFORMING (1 << 8)   /* OS specific processing required */
 504 #define SHF_GROUP       (1 << 9)        /* Member of a section group */
 505 #define SHF_TLS         (1 << 10)       /* Thread local storage section */
 506
 507 /* #define SHF_MASKOS   0x0F000000    *//* OS-specific semantics */
 508 #define SHF_MASKOS      0x0FF00000      /* New value, Oct 4, 1999 Draft */
 509 #define SHF_MASKPROC    0xF0000000      /* Processor-specific semantics */
 510
 511 /* This used to be implemented as a processor specific section flag.
 512    We just make it generic.  */
 513 #define SHF_EXCLUDE     0x80000000      /* Link editor is to exclude
 514                                            this section from executable
 515                                            and shared library that it
 516                                            builds when those objects
 517                                            are not to be further
 518                                            relocated.  */
 519
 520 /* Values of note segment descriptor types for core files.  */
 521
 522 #define NT_PRSTATUS     1               /* Contains copy of prstatus struct */
 523 #define NT_FPREGSET     2               /* Contains copy of fpregset struct */
 524 #define NT_PRPSINFO     3               /* Contains copy of prpsinfo struct */
 525 #define NT_TASKSTRUCT   4               /* Contains copy of task struct */
 526 #define NT_AUXV         6               /* Contains copy of Elfxx_auxv_t */
 527 #define NT_PRXFPREG     0x46e62b7f      /* Contains a user_xfpregs_struct; */
 528                                         /*   note name must be "LINUX".  */
 529 #define NT_PPC_VMX      0x100           /* PowerPC Altivec/VMX registers */
 530                                         /*   note name must be "LINUX".  */
 531 #define NT_PPC_VSX      0x102           /* PowerPC VSX registers */
 532                                         /*   note name must be "LINUX".  */
 533 #define NT_386_TLS      0x200           /* x86 TLS information */
 534                                         /*   note name must be "LINUX".  */
 535 #define NT_386_IOPERM   0x201           /* x86 io permissions */
 536                                         /*   note name must be "LINUX".  */
 537 #define NT_X86_XSTATE   0x202           /* x86 XSAVE extended state */
 538                                         /*   note name must be "LINUX".  */
 539 #define NT_S390_HIGH_GPRS 0x300         /* S/390 upper halves of GPRs  */
 540                                         /*   note name must be "LINUX".  */
 541 #define NT_S390_TIMER   0x301           /* S390 timer */
 542                                         /*   note name must be "LINUX".  */
 543 #define NT_S390_TODCMP  0x302           /* S390 TOD clock comparator */
 544                                         /*   note name must be "LINUX".  */
 545 #define NT_S390_TODPREG 0x303           /* S390 TOD programmable register */
 546                                         /*   note name must be "LINUX".  */
 547 #define NT_S390_CTRS    0x304           /* S390 control registers */
 548                                         /*   note name must be "LINUX".  */
 549 #define NT_S390_PREFIX  0x305           /* S390 prefix register */
 550                                         /*   note name must be "LINUX".  */
 551 #define NT_S390_LAST_BREAK      0x306   /* S390 breaking event address */
 552                                         /*   note name must be "LINUX".  */
 553 #define NT_S390_SYSTEM_CALL     0x307   /* S390 system call restart data */
 554                                         /*   note name must be "LINUX".  */
 555 #define NT_ARM_VFP      0x400           /* ARM VFP registers */
 556 /* The following definitions should really use NT_AARCH_..., but defined
 557    this way for compatibility with Linux.  */
 558 #define NT_ARM_TLS      0x401           /* AArch TLS registers */
 559                                         /*   note name must be "LINUX".  */
 560 #define NT_ARM_HW_BREAK 0x402           /* AArch hardware breakpoint registers */
 561                                         /*   note name must be "LINUX".  */
 562 #define NT_ARM_HW_WATCH 0x403           /* AArch hardware watchpoint registers */
 563                                         /*   note name must be "LINUX".  */
 564 #define NT_SIGINFO      0x53494749      /* Fields of siginfo_t.  */
 565 #define NT_FILE         0x46494c45      /* Description of mapped files.  */
 566
 567 /* Note segments for core files on dir-style procfs systems.  */
 568
 569 #define NT_PSTATUS      10              /* Has a struct pstatus */
 570 #define NT_FPREGS       12              /* Has a struct fpregset */
 571 #define NT_PSINFO       13              /* Has a struct psinfo */
 572 #define NT_LWPSTATUS    16              /* Has a struct lwpstatus_t */
 573 #define NT_LWPSINFO     17              /* Has a struct lwpsinfo_t */
 574 #define NT_WIN32PSTATUS 18              /* Has a struct win32_pstatus */
 575
 576 /* Note segment for SystemTap probes.  */
 577 #define NT_STAPSDT      3
 578
 579 /* Note segments for core files on NetBSD systems.  Note name
 580    must start with "NetBSD-CORE".  */
 581
 582 #define NT_NETBSDCORE_PROCINFO  1       /* Has a struct procinfo */
 583 #define NT_NETBSDCORE_FIRSTMACH 32      /* start of machdep note types */
 584
 585
 586 /* Note segments for core files on OpenBSD systems.  Note name is
 587    "OpenBSD".  */
 588
 589 #define NT_OPENBSD_PROCINFO     10
 590 #define NT_OPENBSD_AUXV         11
 591 #define NT_OPENBSD_REGS         20
 592 #define NT_OPENBSD_FPREGS       21
 593 #define NT_OPENBSD_XFPREGS      22
 594 #define NT_OPENBSD_WCOOKIE      23
 595
 596
 597 /* Note segments for core files on SPU systems.  Note name
 598    must start with "SPU/".  */
 599
 600 #define NT_SPU          1
 601
 602 /* Values of note segment descriptor types for object files.  */
 603
 604 #define NT_VERSION      1               /* Contains a version string.  */
 605 #define NT_ARCH         2               /* Contains an architecture string.  */
 606
 607 /* Values for notes in non-core files using name "GNU".  */
 608
 609 #define NT_GNU_ABI_TAG          1
 610 #define NT_GNU_HWCAP            2       /* Used by ld.so and kernel vDSO.  */
 611 #define NT_GNU_BUILD_ID         3       /* Generated by ld --build-id.  */
 612 #define NT_GNU_GOLD_VERSION     4       /* Generated by gold.  */
 613
 614 /* Values used in GNU .note.ABI-tag notes (NT_GNU_ABI_TAG).  */
 615 #define GNU_ABI_TAG_LINUX       0
 616 #define GNU_ABI_TAG_HURD        1
 617 #define GNU_ABI_TAG_SOLARIS     2
 618 #define GNU_ABI_TAG_FREEBSD     3
 619 #define GNU_ABI_TAG_NETBSD      4
 620
 621 /* Values for NetBSD .note.netbsd.ident notes.  Note name is "NetBSD".  */
 622
 623 #define NT_NETBSD_IDENT         1
 624
 625 /* Values for OpenBSD .note.openbsd.ident notes.  Note name is "OpenBSD".  */
 626
 627 #define NT_OPENBSD_IDENT        1
 628
 629 /* Values for FreeBSD .note.ABI-tag notes.  Note name is "FreeBSD".  */
 630
 631 #define NT_FREEBSD_ABI_TAG      1
 632
 633 /* These three macros disassemble and assemble a symbol table st_info field,
 634    which contains the symbol binding and symbol type.  The STB_ and STT_
 635    defines identify the binding and type.  */
 636
 637 #define ELF_ST_BIND(val)                (((unsigned int)(val)) >> 4)
 638 #define ELF_ST_TYPE(val)                ((val) & 0xF)
 639 #define ELF_ST_INFO(bind,type)          (((bind) << 4) + ((type) & 0xF))
 640
 641 /* The 64bit and 32bit versions of these macros are identical, but
 642    the ELF spec defines them, so here they are.  */
 643 #define ELF32_ST_BIND  ELF_ST_BIND
 644 #define ELF32_ST_TYPE  ELF_ST_TYPE
 645 #define ELF32_ST_INFO  ELF_ST_INFO
 646 #define ELF64_ST_BIND  ELF_ST_BIND
 647 #define ELF64_ST_TYPE  ELF_ST_TYPE
 648 #define ELF64_ST_INFO  ELF_ST_INFO
 649
 650 /* This macro disassembles and assembles a symbol's visibility into
 651    the st_other field.  The STV_ defines specify the actual visibility.  */
 652
 653 #define ELF_ST_VISIBILITY(v)            ((v) & 0x3)
 654 /* The remaining bits in the st_other field are not currently used.
 655    They should be set to zero.  */
 656
 657 #define ELF32_ST_VISIBILITY  ELF_ST_VISIBILITY
 658 #define ELF64_ST_VISIBILITY  ELF_ST_VISIBILITY
 659
 660
 661 #define STN_UNDEF       0               /* Undefined symbol index */
 662
 663 #define STB_LOCAL       0               /* Symbol not visible outside obj */
 664 #define STB_GLOBAL      1               /* Symbol visible outside obj */
 665 #define STB_WEAK        2               /* Like globals, lower precedence */
 666 #define STB_LOOS        10              /* OS-specific semantics */
 667 #define STB_GNU_UNIQUE  10              /* Symbol is unique in namespace */
 668 #define STB_HIOS        12              /* OS-specific semantics */
 669 #define STB_LOPROC      13              /* Processor-specific semantics */
 670 #define STB_HIPROC      15              /* Processor-specific semantics */
 671
 672 #define STT_NOTYPE      0               /* Symbol type is unspecified */
 673 #define STT_OBJECT      1               /* Symbol is a data object */
 674 #define STT_FUNC        2               /* Symbol is a code object */
 675 #define STT_SECTION     3               /* Symbol associated with a section */
 676 #define STT_FILE        4               /* Symbol gives a file name */
 677 #define STT_COMMON      5               /* An uninitialised common block */
 678 #define STT_TLS         6               /* Thread local data object */
 679 #define STT_RELC        8               /* Complex relocation expression */
 680 #define STT_SRELC       9               /* Signed Complex relocation expression */
 681 #define STT_LOOS        10              /* OS-specific semantics */
 682 #define STT_GNU_IFUNC   10              /* Symbol is an indirect code object */
 683 #define STT_HIOS        12              /* OS-specific semantics */
 684 #define STT_LOPROC      13              /* Processor-specific semantics */
 685 #define STT_HIPROC      15              /* Processor-specific semantics */
 686
 687 /* The following constants control how a symbol may be accessed once it has
 688    become part of an executable or shared library.  */
 689
 690 #define STV_DEFAULT     0               /* Visibility is specified by binding type */
 691 #define STV_INTERNAL    1               /* OS specific version of STV_HIDDEN */
 692 #define STV_HIDDEN      2               /* Can only be seen inside currect component */
 693 #define STV_PROTECTED   3               /* Treat as STB_LOCAL inside current component */
 694
 695 /* Relocation info handling macros.  */
 696
 697 #define ELF32_R_SYM(i)          ((i) >> 8)
 698 #define ELF32_R_TYPE(i)         ((i) & 0xff)
 699 #define ELF32_R_INFO(s,t)       (((s) << 8) + ((t) & 0xff))
 700
 701 #define ELF64_R_SYM(i)          ((i) >> 32)
 702 #define ELF64_R_TYPE(i)         ((i) & 0xffffffff)
 703 #define ELF64_R_INFO(s,t)       (((bfd_vma) (s) << 31 << 1) + (bfd_vma) (t))
 704
 705 /* Dynamic section tags.  */
 706
 707 #define DT_NULL         0
 708 #define DT_NEEDED       1
 709 #define DT_PLTRELSZ     2
 710 #define DT_PLTGOT       3
 711 #define DT_HASH         4
 712 #define DT_STRTAB       5
 713 #define DT_SYMTAB       6
 714 #define DT_RELA         7
 715 #define DT_RELASZ       8
 716 #define DT_RELAENT      9
 717 #define DT_STRSZ        10
 718 #define DT_SYMENT       11
 719 #define DT_INIT         12
 720 #define DT_FINI         13
 721 #define DT_SONAME       14
 722 #define DT_RPATH        15
 723 #define DT_SYMBOLIC     16
 724 #define DT_REL          17
 725 #define DT_RELSZ        18
 726 #define DT_RELENT       19
 727 #define DT_PLTREL       20
 728 #define DT_DEBUG        21
 729 #define DT_TEXTREL      22
 730 #define DT_JMPREL       23
 731 #define DT_BIND_NOW     24
 732 #define DT_INIT_ARRAY   25
 733 #define DT_FINI_ARRAY   26
 734 #define DT_INIT_ARRAYSZ 27
 735 #define DT_FINI_ARRAYSZ 28
 736 #define DT_RUNPATH      29
 737 #define DT_FLAGS        30
 738 #define DT_ENCODING     32
 739 #define DT_PREINIT_ARRAY   32
 740 #define DT_PREINIT_ARRAYSZ 33
 741
 742 /* Note, the Oct 4, 1999 draft of the ELF ABI changed the values
 743    for DT_LOOS and DT_HIOS.  Some implementations however, use
 744    values outside of the new range (see below).  */
 745 #define OLD_DT_LOOS     0x60000000
 746 #define DT_LOOS         0x6000000d
 747 #define DT_HIOS         0x6ffff000
 748 #define OLD_DT_HIOS     0x6fffffff
 749
 750 #define DT_LOPROC       0x70000000
 751 #define DT_HIPROC       0x7fffffff
 752
 753 /* The next 2 dynamic tag ranges, integer value range (DT_VALRNGLO to
 754    DT_VALRNGHI) and virtual address range (DT_ADDRRNGLO to DT_ADDRRNGHI),
 755    are used on Solaris.  We support them everywhere.  Note these values
 756    lie outside of the (new) range for OS specific values.  This is a
 757    deliberate special case and we maintain it for backwards compatability.
 758  */
 759 #define DT_VALRNGLO     0x6ffffd00
 760 #define DT_GNU_PRELINKED 0x6ffffdf5
 761 #define DT_GNU_CONFLICTSZ 0x6ffffdf6
 762 #define DT_GNU_LIBLISTSZ 0x6ffffdf7
 763 #define DT_CHECKSUM     0x6ffffdf8
 764 #define DT_PLTPADSZ     0x6ffffdf9
 765 #define DT_MOVEENT      0x6ffffdfa
 766 #define DT_MOVESZ       0x6ffffdfb
 767 #define DT_FEATURE      0x6ffffdfc
 768 #define DT_POSFLAG_1    0x6ffffdfd
 769 #define DT_SYMINSZ      0x6ffffdfe
 770 #define DT_SYMINENT     0x6ffffdff
 771 #define DT_VALRNGHI     0x6ffffdff
 772
 773 #define DT_ADDRRNGLO    0x6ffffe00
 774 #define DT_GNU_HASH     0x6ffffef5
 775 #define DT_TLSDESC_PLT  0x6ffffef6
 776 #define DT_TLSDESC_GOT  0x6ffffef7
 777 #define DT_GNU_CONFLICT 0x6ffffef8
 778 #define DT_GNU_LIBLIST  0x6ffffef9
 779 #define DT_CONFIG       0x6ffffefa
 780 #define DT_DEPAUDIT     0x6ffffefb
 781 #define DT_AUDIT        0x6ffffefc
 782 #define DT_PLTPAD       0x6ffffefd
 783 #define DT_MOVETAB      0x6ffffefe
 784 #define DT_SYMINFO      0x6ffffeff
 785 #define DT_ADDRRNGHI    0x6ffffeff
 786
 787 #define DT_RELACOUNT    0x6ffffff9
 788 #define DT_RELCOUNT     0x6ffffffa
 789 #define DT_FLAGS_1      0x6ffffffb
 790 #define DT_VERDEF       0x6ffffffc
 791 #define DT_VERDEFNUM    0x6ffffffd
 792 #define DT_VERNEED      0x6ffffffe
 793 #define DT_VERNEEDNUM   0x6fffffff
 794
 795 /* This tag is a GNU extension to the Solaris version scheme.  */
 796 #define DT_VERSYM       0x6ffffff0
 797
 798 #define DT_LOPROC       0x70000000
 799 #define DT_HIPROC       0x7fffffff
 800
 801 /* These section tags are used on Solaris.  We support them
 802    everywhere, and hope they do not conflict.  */
 803
 804 #define DT_AUXILIARY    0x7ffffffd
 805 #define DT_USED         0x7ffffffe
 806 #define DT_FILTER       0x7fffffff
 807
 808
 809 /* Values used in DT_FEATURE .dynamic entry.  */
 810 #define DTF_1_PARINIT   0x00000001
 811 /* From
 812
 813    http://docs.sun.com:80/ab2/coll.45.13/LLM/@Ab2PageView/21165?Ab2Lang=C&Ab2Enc=iso-8859-1
 814
 815    DTF_1_CONFEXP is the same as DTF_1_PARINIT. It is a typo. The value
 816    defined here is the same as the one in <sys/link.h> on Solaris 8.  */
 817 #define DTF_1_CONFEXP   0x00000002
 818
 819 /* Flag values used in the DT_POSFLAG_1 .dynamic entry.  */
 820 #define DF_P1_LAZYLOAD  0x00000001
 821 #define DF_P1_GROUPPERM 0x00000002
 822
 823 /* Flag value in in the DT_FLAGS_1 .dynamic entry.  */
 824 #define DF_1_NOW        0x00000001
 825 #define DF_1_GLOBAL     0x00000002
 826 #define DF_1_GROUP      0x00000004
 827 #define DF_1_NODELETE   0x00000008
 828 #define DF_1_LOADFLTR   0x00000010
 829 #define DF_1_INITFIRST  0x00000020
 830 #define DF_1_NOOPEN     0x00000040
 831 #define DF_1_ORIGIN     0x00000080
 832 #define DF_1_DIRECT     0x00000100
 833 #define DF_1_TRANS      0x00000200
 834 #define DF_1_INTERPOSE  0x00000400
 835 #define DF_1_NODEFLIB   0x00000800
 836 #define DF_1_NODUMP     0x00001000
 837 #define DF_1_CONFALT    0x00002000
 838 #define DF_1_ENDFILTEE  0x00004000
 839 #define DF_1_DISPRELDNE 0x00008000
 840 #define DF_1_DISPRELPND 0x00010000
 841 #define DF_1_NODIRECT   0x00020000
 842 #define DF_1_IGNMULDEF  0x00040000
 843 #define DF_1_NOKSYMS    0x00080000
 844 #define DF_1_NOHDR      0x00100000
 845 #define DF_1_EDITED     0x00200000
 846 #define DF_1_NORELOC    0x00400000
 847 #define DF_1_SYMINTPOSE 0x00800000
 848 #define DF_1_GLOBAUDIT  0x01000000
 849 #define DF_1_SINGLETON  0x02000000
 850
 851 /* Flag values for the DT_FLAGS entry.  */
 852 #define DF_ORIGIN       (1 << 0)
 853 #define DF_SYMBOLIC     (1 << 1)
 854 #define DF_TEXTREL      (1 << 2)
 855 #define DF_BIND_NOW     (1 << 3)
 856 #define DF_STATIC_TLS   (1 << 4)
 857
 858 /* These constants are used for the version number of a Elf32_Verdef
 859    structure.  */
 860
 861 #define VER_DEF_NONE            0
 862 #define VER_DEF_CURRENT         1
 863
 864 /* These constants appear in the vd_flags field of a Elf32_Verdef
 865    structure.
 866
 867    Cf. the Solaris Linker and Libraries Guide, Ch. 7, Object File Format,
 868    Versioning Sections, for a description:
 869
 870    http://docs.sun.com/app/docs/doc/819-0690/chapter6-93046?l=en&a=view  */
 871
 872 #define VER_FLG_BASE            0x1
 873 #define VER_FLG_WEAK            0x2
 874 #define VER_FLG_INFO            0x4
 875
 876 /* These special constants can be found in an Elf32_Versym field.  */
 877
 878 #define VER_NDX_LOCAL           0
 879 #define VER_NDX_GLOBAL          1
 880
 881 /* These constants are used for the version number of a Elf32_Verneed
 882    structure.  */
 883
 884 #define VER_NEED_NONE           0
 885 #define VER_NEED_CURRENT        1
 886
 887 /* This flag appears in a Versym structure.  It means that the symbol
 888    is hidden, and is only visible with an explicit version number.
 889    This is a GNU extension.  */
 890
 891 #define VERSYM_HIDDEN           0x8000
 892
 893 /* This is the mask for the rest of the Versym information.  */
 894
 895 #define VERSYM_VERSION          0x7fff
 896
 897 /* This is a special token which appears as part of a symbol name.  It
 898    indictes that the rest of the name is actually the name of a
 899    version node, and is not part of the actual name.  This is a GNU
 900    extension.  For example, the symbol name `stat@ver2' is taken to
 901    mean the symbol `stat' in version `ver2'.  */
 902
 903 #define ELF_VER_CHR     '@'
 904
 905 /* Possible values for si_boundto.  */
 906
 907 #define SYMINFO_BT_SELF         0xffff  /* Symbol bound to self */
 908 #define SYMINFO_BT_PARENT       0xfffe  /* Symbol bound to parent */
 909 #define SYMINFO_BT_LOWRESERVE   0xff00  /* Beginning of reserved entries */
 910
 911 /* Possible bitmasks for si_flags.  */
 912
 913 #define SYMINFO_FLG_DIRECT      0x0001  /* Direct bound symbol */
 914 #define SYMINFO_FLG_PASSTHRU    0x0002  /* Pass-thru symbol for translator */
 915 #define SYMINFO_FLG_COPY        0x0004  /* Symbol is a copy-reloc */
 916 #define SYMINFO_FLG_LAZYLOAD    0x0008  /* Symbol bound to object to be lazy loaded */
 917
 918 /* Syminfo version values.  */
 919
 920 #define SYMINFO_NONE            0
 921 #define SYMINFO_CURRENT         1
 922 #define SYMINFO_NUM             2
 923
 924 /* Section Group Flags.  */
 925
 926 #define GRP_COMDAT              0x1     /* A COMDAT group */
 927
 928 /* Auxv a_type values.  */
 929
 930 #define AT_NULL         0               /* End of vector */
 931 #define AT_IGNORE       1               /* Entry should be ignored */
 932 #define AT_EXECFD       2               /* File descriptor of program */
 933 #define AT_PHDR         3               /* Program headers for program */
 934 #define AT_PHENT        4               /* Size of program header entry */
 935 #define AT_PHNUM        5               /* Number of program headers */
 936 #define AT_PAGESZ       6               /* System page size */
 937 #define AT_BASE         7               /* Base address of interpreter */
 938 #define AT_FLAGS        8               /* Flags */
 939 #define AT_ENTRY        9               /* Entry point of program */
 940 #define AT_NOTELF       10              /* Program is not ELF */
 941 #define AT_UID          11              /* Real uid */
 942 #define AT_EUID         12              /* Effective uid */
 943 #define AT_GID          13              /* Real gid */
 944 #define AT_EGID         14              /* Effective gid */
 945 #define AT_CLKTCK       17              /* Frequency of times() */
 946 #define AT_PLATFORM     15              /* String identifying platform.  */
 947 #define AT_HWCAP        16              /* Machine dependent hints about
 948                                            processor capabilities.  */
 949 #define AT_FPUCW        18              /* Used FPU control word.  */
 950 #define AT_DCACHEBSIZE  19              /* Data cache block size.  */
 951 #define AT_ICACHEBSIZE  20              /* Instruction cache block size.  */
 952 #define AT_UCACHEBSIZE  21              /* Unified cache block size.  */
 953 #define AT_IGNOREPPC    22              /* Entry should be ignored */
 954 #define AT_SECURE       23              /* Boolean, was exec setuid-like?  */
 955 #define AT_BASE_PLATFORM 24             /* String identifying real platform,
 956                                            may differ from AT_PLATFORM.  */
 957 #define AT_RANDOM       25              /* Address of 16 random bytes.  */
 958 #define AT_EXECFN       31              /* Filename of executable.  */
 959 /* Pointer to the global system page used for system calls and other
 960    nice things.  */
 961 #define AT_SYSINFO      32
 962 #define AT_SYSINFO_EHDR 33 /* Pointer to ELF header of system-supplied DSO.  */
 963
 964 /* More complete cache descriptions than AT_[DIU]CACHEBSIZE.  If the
 965    value is -1, then the cache doesn't exist.  Otherwise:
 966
 967    bit 0-3:  Cache set-associativity; 0 means fully associative.
 968    bit 4-7:  Log2 of cacheline size.
 969    bit 8-31:  Size of the entire cache >> 8.  */
 970
 971 #define AT_L1I_CACHESHAPE 34
 972 #define AT_L1D_CACHESHAPE 35
 973 #define AT_L2_CACHESHAPE  36
 974 #define AT_L3_CACHESHAPE  37
 975
 976 #define AT_SUN_UID      2000    /* Effective user ID.  */
 977 #define AT_SUN_RUID     2001    /* Real user ID.  */
 978 #define AT_SUN_GID      2002    /* Effective group ID.  */
 979 #define AT_SUN_RGID     2003    /* Real group ID.  */
 980 #define AT_SUN_LDELF    2004    /* Dynamic linker's ELF header.  */
 981 #define AT_SUN_LDSHDR   2005    /* Dynamic linker's section headers.  */
 982 #define AT_SUN_LDNAME   2006    /* String giving name of dynamic linker.  */
 983 #define AT_SUN_LPAGESZ  2007    /* Large pagesize.   */
 984 #define AT_SUN_PLATFORM 2008    /* Platform name string.  */
 985 #define AT_SUN_HWCAP    2009    /* Machine dependent hints about
 986                                    processor capabilities.  */
 987 #define AT_SUN_IFLUSH   2010    /* Should flush icache? */
 988 #define AT_SUN_CPU      2011    /* CPU name string.  */
 989 #define AT_SUN_EMUL_ENTRY 2012  /* COFF entry point address.  */
 990 #define AT_SUN_EMUL_EXECFD 2013 /* COFF executable file descriptor.  */
 991 #define AT_SUN_EXECNAME 2014    /* Canonicalized file name given to execve.  */
 992 #define AT_SUN_MMU      2015    /* String for name of MMU module.   */
 993 #define AT_SUN_LDDATA   2016    /* Dynamic linker's data segment address.  */
 994 #define AT_SUN_AUXFLAGS 2017    /* AF_SUN_ flags passed from the kernel.  */
 995
 996
 997 #endif /* _ELF_COMMON_H */