include/elf/hppa.h

   1 /* HPPA ELF support for BFD.
   2    Copyright (C) 1993, 1994, 1999 Free Software Foundation, Inc.
   3
   4 This file is part of BFD, the Binary File Descriptor library.
   5
   6 This program is free software; you can redistribute it and/or modify
   7 it under the terms of the GNU General Public License as published by
   8 the Free Software Foundation; either version 2 of the License, or
   9 (at your option) any later version.
  10
  11 This program 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
  14 GNU General Public License for more details.
  15
  16 You should have received a copy of the GNU General Public License
  17 along with this program; if not, write to the Free Software
  18 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  19
  20 /* This file holds definitions specific to the HPPA ELF ABI.  Note
  21    that most of this is not actually implemented by BFD.  */
  22
  23 #ifndef _ELF_HPPA_H
  24 #define _ELF_HPPA_H
  25
  26 /* Processor specific flags for the ELF header e_flags field.  */
  27
  28 /* Trap null address dereferences.  */
  29 #define EF_PARISC_TRAPNIL       0x00010000
  30
  31 /* .PARISC.archext section is present.  */
  32 #define EF_PARISC_EXT           0x00020000
  33
  34 /* Program expects little-endian mode.  */
  35 #define EF_PARISC_LSB           0x00040000
  36
  37 /* Program expects wide mode.  */
  38 #define EF_PARISC_WIDE          0x00080000
  39
  40 /* Do not allow kernel-assisted branch prediction.  */
  41 #define EF_PARISC_NO_KABP       0x00100000
  42
  43 /* Allow lazy swap for dynamically allocated program segments.  */
  44 #define EF_PARISC_LAZYSWAP      0x00400000
  45
  46 /* Architecture version */
  47 #define EF_PARISC_ARCH          0x0000ffff
  48
  49 #define EFA_PARISC_1_0                  0x020b
  50 #define EFA_PARISC_1_1                  0x0210
  51 #define EFA_PARISC_2_0                  0x0214
  52
  53 /* Special section indices.  */
  54 /* A symbol that has been declared as a tentative definition in an ANSI C
  55    compilation.  */
  56 #define SHN_PARISC_ANSI_COMMON  0xff00
  57
  58 /* A symbol that has been declared as a common block using the
  59    huge memory model.  */
  60 #define SHN_PARISC_HUGE_COMMON  0xff01
  61
  62 /* Processor specific section types.  */
  63
  64 /* Section contains product specific extension bits.  */
  65 #define SHT_PARISC_EXT          0x70000000
  66
  67 /* Section contains unwind table entries.  */
  68 #define SHT_PARISC_UNWIND       0x70000001
  69
  70 /* Section contains debug information for optimized code.  */
  71 #define SHT_PARISC_DOC          0x70000002
  72
  73 /* Section contains code annotations.  */
  74 #define SHT_PARISC_ANNOT        0x70000003
  75
  76 /* These are strictly for compatibility with the older elf32-hppa
  77    implementation.  Hopefully we can eliminate them in the future.  */
  78 /* Optional section holding argument location/relocation info.  */
  79 #define SHT_PARISC_SYMEXTN    SHT_LOPROC+8
  80
  81 /* Option section for linker stubs.  */
  82 #define SHT_PARISC_STUBS      SHT_LOPROC+9
  83
  84 /* Processor specific section flags.  */
  85
  86 /* Section contains code compiled for static branch prediction.  */
  87 #define SHF_PARISC_SBP          0x80000000
  88
  89 /* Section should be allocated from from GP.  */
  90 #define SHF_PARISC_HUGE         0x40000000
  91
  92 /* Section should go near GP.  */
  93 #define SHF_PARISC_SHORT        0x20000000
  94
  95
  96 /* Identifies the entry point of a millicode routine.  */
  97 #define STT_PARISC_MILLI        13
  98
  99 /* ELF/HPPA relocation types */
 100
 101 /* Note: PA-ELF is defined to use only RELA relocations.  */
 102 #include "elf/reloc-macros.h"
 103
 104 START_RELOC_NUMBERS (elf_hppa_reloc_type)
 105      RELOC_NUMBER (R_PARISC_NONE,      0)       /* No reloc */
 106
 107      /* These relocation types do simple base + offset relocations.  */
 108
 109      RELOC_NUMBER (R_PARISC_DIR32,  1)
 110      RELOC_NUMBER (R_PARISC_DIR21L, 2)
 111      RELOC_NUMBER (R_PARISC_DIR17R, 3)
 112      RELOC_NUMBER (R_PARISC_DIR17F, 4)
 113      RELOC_NUMBER (R_PARISC_DIR14R, 6)
 114
 115     /* PC-relative relocation types
 116        Typically used for calls.
 117        Note PCREL17C and PCREL17F differ only in overflow handling.
 118        PCREL17C never reports a relocation error.
 119
 120        When supporting argument relocations, function calls must be
 121        accompanied by parameter relocation information.  This information is
 122        carried in the ten high-order bits of the addend field.  The remaining
 123        22 bits of of the addend field are sign-extended to form the Addend.
 124
 125        Note the code to build argument relocations depends on the
 126        addend being zero.  A consequence of this limitation is GAS
 127        can not perform relocation reductions for function symbols.  */
 128
 129     RELOC_NUMBER (R_PARISC_PCREL32, 9)
 130     RELOC_NUMBER (R_PARISC_PCREL21L, 10)
 131     RELOC_NUMBER (R_PARISC_PCREL17R, 11)
 132     RELOC_NUMBER (R_PARISC_PCREL17F, 12)
 133     RELOC_NUMBER (R_PARISC_PCREL17C, 13)
 134     RELOC_NUMBER (R_PARISC_PCREL14R, 14)
 135     RELOC_NUMBER (R_PARISC_PCREL14F, 15)
 136
 137     /* DP-relative relocation types.  */
 138     RELOC_NUMBER (R_PARISC_DPREL21L, 18)
 139     RELOC_NUMBER (R_PARISC_DPREL14WR, 19)
 140     RELOC_NUMBER (R_PARISC_DPREL14DR, 20)
 141     RELOC_NUMBER (R_PARISC_DPREL14R, 22)
 142     RELOC_NUMBER (R_PARISC_DPREL14F, 23)
 143
 144     /* Data linkage table (DLT) relocation types
 145
 146        SOM DLT_REL fixup requests are used to for static data references
 147        from position-independent code within shared libraries.  They are
 148        similar to the GOT relocation types in some SVR4 implementations.  */
 149
 150     RELOC_NUMBER (R_PARISC_DLTREL21L, 26)
 151     RELOC_NUMBER (R_PARISC_DLTREL14R, 30)
 152     RELOC_NUMBER (R_PARISC_DLTREL14F, 31)
 153
 154     /* DLT indirect relocation types  */
 155     RELOC_NUMBER (R_PARISC_DLTIND21L, 34)
 156     RELOC_NUMBER (R_PARISC_DLTIND14R, 38)
 157     RELOC_NUMBER (R_PARISC_DLTIND14F, 39)
 158
 159     /* Base relative relocation types.  Ugh.  These imply lots of state */
 160     RELOC_NUMBER (R_PARISC_SETBASE, 40)
 161     RELOC_NUMBER (R_PARISC_SECREL32, 41)
 162     RELOC_NUMBER (R_PARISC_BASEREL21L, 42)
 163     RELOC_NUMBER (R_PARISC_BASEREL17R, 43)
 164     RELOC_NUMBER (R_PARISC_BASEREL17F, 44)
 165     RELOC_NUMBER (R_PARISC_BASEREL14R, 46)
 166     RELOC_NUMBER (R_PARISC_BASEREL14F, 47)
 167
 168     /* Segment relative relocation types.  */
 169     RELOC_NUMBER (R_PARISC_SEGBASE, 48)
 170     RELOC_NUMBER (R_PARISC_SEGREL32, 49)
 171
 172     /* Offsets from the PLT.  */
 173     RELOC_NUMBER (R_PARISC_PLTOFF21L, 50)
 174     RELOC_NUMBER (R_PARISC_PLTOFF14R, 54)
 175     RELOC_NUMBER (R_PARISC_PLTOFF14F, 55)
 176
 177     RELOC_NUMBER (R_PARISC_LTOFF_FPTR32, 57)
 178     RELOC_NUMBER (R_PARISC_LTOFF_FPTR21L, 58)
 179     RELOC_NUMBER (R_PARISC_LTOFF_FPTR14R, 62)
 180
 181     RELOC_NUMBER (R_PARISC_FPTR64, 64)
 182
 183     /* Plabel relocation types.  */
 184     RELOC_NUMBER (R_PARISC_PLABEL32, 65)
 185     RELOC_NUMBER (R_PARISC_PLABEL21L, 66)
 186     RELOC_NUMBER (R_PARISC_PLABEL14R, 70)
 187
 188     /* PCREL relocations.  */
 189     RELOC_NUMBER (R_PARISC_PCREL64, 72)
 190     RELOC_NUMBER (R_PARISC_PCREL22C, 73)
 191     RELOC_NUMBER (R_PARISC_PCREL22F, 74)
 192     RELOC_NUMBER (R_PARISC_PCREL14WR, 75)
 193     RELOC_NUMBER (R_PARISC_PCREL14DR, 76)
 194     RELOC_NUMBER (R_PARISC_PCREL16F, 77)
 195     RELOC_NUMBER (R_PARISC_PCREL16WF, 78)
 196     RELOC_NUMBER (R_PARISC_PCREL16DF, 79)
 197
 198
 199     RELOC_NUMBER (R_PARISC_DIR64, 80)
 200     RELOC_NUMBER (R_PARISC_DIR64WR, 81)
 201     RELOC_NUMBER (R_PARISC_DIR64DR, 82)
 202     RELOC_NUMBER (R_PARISC_DIR14WR, 83)
 203     RELOC_NUMBER (R_PARISC_DIR14DR, 84)
 204     RELOC_NUMBER (R_PARISC_DIR16F, 85)
 205     RELOC_NUMBER (R_PARISC_DIR16WF, 86)
 206     RELOC_NUMBER (R_PARISC_DIR16DF, 87)
 207
 208     RELOC_NUMBER (R_PARISC_GPREL64, 88)
 209
 210     RELOC_NUMBER (R_PARISC_DLTREL14WR, 91)
 211     RELOC_NUMBER (R_PARISC_DLTREL14DR, 92)
 212     RELOC_NUMBER (R_PARISC_GPREL16F, 93)
 213     RELOC_NUMBER (R_PARISC_GPREL16WF, 94)
 214     RELOC_NUMBER (R_PARISC_GPREL16DF, 95)
 215
 216
 217     RELOC_NUMBER (R_PARISC_LTOFF64, 96)
 218     RELOC_NUMBER (R_PARISC_DLTIND14WR, 99)
 219     RELOC_NUMBER (R_PARISC_DLTIND14DR, 100)
 220     RELOC_NUMBER (R_PARISC_LTOFF16F, 101)
 221     RELOC_NUMBER (R_PARISC_LTOFF16WF, 102)
 222     RELOC_NUMBER (R_PARISC_LTOFF16DF, 103)
 223
 224     RELOC_NUMBER (R_PARISC_SECREL64, 104)
 225
 226     RELOC_NUMBER (R_PARISC_BASEREL14WR, 107)
 227     RELOC_NUMBER (R_PARISC_BASEREL14DR, 108)
 228
 229     RELOC_NUMBER (R_PARISC_SEGREL64, 112)
 230
 231     RELOC_NUMBER (R_PARISC_PLTOFF14WR, 115)
 232     RELOC_NUMBER (R_PARISC_PLTOFF14DR, 116)
 233     RELOC_NUMBER (R_PARISC_PLTOFF16F, 117)
 234     RELOC_NUMBER (R_PARISC_PLTOFF16WF, 118)
 235     RELOC_NUMBER (R_PARISC_PLTOFF16DF, 119)
 236
 237     RELOC_NUMBER (R_PARISC_LTOFF_FPTR64, 120)
 238     RELOC_NUMBER (R_PARISC_LTOFF_FPTR14WR, 123)
 239     RELOC_NUMBER (R_PARISC_LTOFF_FPTR14DR, 124)
 240     RELOC_NUMBER (R_PARISC_LTOFF_FPTR16F, 125)
 241     RELOC_NUMBER (R_PARISC_LTOFF_FPTR16WF, 126)
 242     RELOC_NUMBER (R_PARISC_LTOFF_FPTR16DF, 127)
 243
 244
 245     RELOC_NUMBER (R_PARISC_COPY, 128)
 246     RELOC_NUMBER (R_PARISC_IPLT, 129)
 247     RELOC_NUMBER (R_PARISC_EPLT, 130)
 248
 249     RELOC_NUMBER (R_PARISC_TPREL32, 153)
 250     RELOC_NUMBER (R_PARISC_TPREL21L, 154)
 251     RELOC_NUMBER (R_PARISC_TPREL14R, 158)
 252
 253     RELOC_NUMBER (R_PARISC_LTOFF_TP21L, 162)
 254     RELOC_NUMBER (R_PARISC_LTOFF_TP14R, 166)
 255     RELOC_NUMBER (R_PARISC_LTOFF_TP14F, 167)
 256
 257     RELOC_NUMBER (R_PARISC_TPREL64, 216)
 258     RELOC_NUMBER (R_PARISC_TPREL14WR, 219)
 259     RELOC_NUMBER (R_PARISC_TPREL14DR, 220)
 260     RELOC_NUMBER (R_PARISC_TPREL16F, 221)
 261     RELOC_NUMBER (R_PARISC_TPREL16WF, 222)
 262     RELOC_NUMBER (R_PARISC_TPREL16DF, 223)
 263
 264     RELOC_NUMBER (R_PARISC_LTOFF_TP64, 224)
 265     RELOC_NUMBER (R_PARISC_LTOFF_TP14WR, 227)
 266     RELOC_NUMBER (R_PARISC_LTOFF_TP14DR, 228)
 267     RELOC_NUMBER (R_PARISC_LTOFF_TP16F, 229)
 268     RELOC_NUMBER (R_PARISC_LTOFF_TP16WF, 230)
 269     RELOC_NUMBER (R_PARISC_LTOFF_TP16DF, 231)
 270 END_RELOC_NUMBERS (R_PARISC_UNIMPLEMENTED)
 271
 272 #ifndef RELOC_MACROS_GEN_FUNC
 273 typedef enum elf_hppa_reloc_type elf_hppa_reloc_type;
 274 #endif
 275
 276 #define PT_PARISC_ARCHEXT       0x70000000
 277 #define PT_PARISC_UNWIND        0x70000001
 278 #define PF_PARISC_SBP           0x08000000
 279 #define PF_HP_PAGE_SIZE         0x00100000
 280 #define PF_HP_FAR_SHARED        0x00200000
 281 #define PF_HP_NEAR_SHARED       0x00400000
 282 #define PF_HP_CODE              0x01000000
 283 #define PF_HP_MODIFY            0x02000000
 284 #define PF_HP_LAZYSWAP          0x04000000
 285 #define PF_HP_SBP               0x08000000
 286
 287 \f
 288 /* Processor specific dynamic array tags.  */
 289
 290 #define DT_HP_LOAD_MAP          (DT_LOOS + 0x0)
 291 #define DT_HP_DLD_FLAGS         (DT_LOOS + 0x1)
 292 #define DT_HP_DLD_HOOK          (DT_LOOS + 0x2)
 293 #define DT_HP_UX10_INIT         (DT_LOOS + 0x3)
 294 #define DT_HP_UX10_INITSZ       (DT_LOOS + 0x4)
 295 #define DT_HP_PREINIT           (DT_LOOS + 0x5)
 296 #define DT_HP_PREINITSZ         (DT_LOOS + 0x6)
 297 #define DT_HP_NEEDED            (DT_LOOS + 0x7)
 298 #define DT_HP_TIME_STAMP        (DT_LOOS + 0x8)
 299 #define DT_HP_CHECKSUM          (DT_LOOS + 0x9)
 300 #define DT_HP_GST_SIZE          (DT_LOOS + 0xa)
 301 #define DT_HP_GST_VERSION       (DT_LOOS + 0xb)
 302 #define DT_HP_GST_HASHVAL       (DT_LOOS + 0xc)
 303
 304 /* Values for DT_HP_DLD_FLAGS.  */
 305 #define DT_HP_DEBUG_PRIVATE             0x0001 /* Map text private */
 306 #define DT_HP_DEBUG_CALLBACK            0x0002 /* Callback */
 307 #define DT_HP_DEBUG_CALLBACK_BOR        0x0004 /* BOR callback */
 308 #define DT_HP_NO_ENVVAR                 0x0008 /* No env var */
 309 #define DT_HP_BIND_NOW                  0x0010 /* Bind now */
 310 #define DT_HP_BIND_NONFATAL             0x0020 /* Bind non-fatal */
 311 #define DT_HP_BIND_VERBOSE              0x0040 /* Bind verbose */
 312 #define DT_HP_BIND_RESTRICTED           0x0080 /* Bind restricted */
 313 #define DT_HP_BIND_SYMBOLIC             0x0100 /* Bind symbolic */
 314 #define DT_HP_RPATH_FIRST               0x0200 /* RPATH first */
 315 #define DT_HP_BIND_DEPTH_FIRST          0x0400 /* Bind depth-first */
 316
 317 /* Program header extensions.  */
 318 #define PT_HP_TLS               (PT_LOOS + 0x0)
 319 #define PT_HP_CORE_NONE         (PT_LOOS + 0x1)
 320 #define PT_HP_CORE_VERSION      (PT_LOOS + 0x2)
 321 #define PT_HP_CORE_KERNEL       (PT_LOOS + 0x3)
 322 #define PT_HP_CORE_COMM         (PT_LOOS + 0x4)
 323 #define PT_HP_CORE_PROC         (PT_LOOS + 0x5)
 324 #define PT_HP_CORE_LOADABLE     (PT_LOOS + 0x6)
 325 #define PT_HP_CORE_STACK        (PT_LOOS + 0x7)
 326 #define PT_HP_CORE_SHM          (PT_LOOS + 0x8)
 327 #define PT_HP_CORE_MMF          (PT_LOOS + 0x9)
 328 #define PT_HP_PARALLEL          (PT_LOOS + 0x10)
 329 #define PT_HP_FASTBIND          (PT_LOOS + 0x11)
 330
 331 /* Additional symbol types.  */
 332 #define STT_HP_OPAQUE           (STT_LOOS + 0x1)
 333 #define STT_HP_STUB             (STT_LOOS + 0x2)
 334
 335 #endif /* _ELF_HPPA_H */