include/elf/sparc.h

   1 /* SPARC ELF support for BFD.
   2    Copyright (C) 1996, 1997, 1998 Free Software Foundation, Inc.
   3    By Doug Evans, Cygnus Support, <dje@cygnus.com>.
   4
   5 This file is part of BFD, the Binary File Descriptor library.
   6
   7 This program is free software; you can redistribute it and/or modify
   8 it under the terms of the GNU General Public License as published by
   9 the Free Software Foundation; either version 2 of the License, or
  10 (at your option) any later version.
  11
  12 This program is distributed in the hope that it will be useful,
  13 but WITHOUT ANY WARRANTY; without even the implied warranty of
  14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15 GNU General Public License for more details.
  16
  17 You should have received a copy of the GNU General Public License
  18 along with this program; if not, write to the Free Software
  19 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */
  20
  21 #ifndef _ELF_SPARC_H
  22 #define _ELF_SPARC_H
  23
  24 /* Processor specific flags for the ELF header e_flags field.  */
  25
  26 /* These are defined by Sun.  */
  27
  28 #define EF_SPARC_32PLUS_MASK    0xffff00        /* bits indicating V8+ type */
  29 #define EF_SPARC_32PLUS         0x000100        /* generic V8+ features */
  30 #define EF_SPARC_SUN_US1        0x000200        /* Sun UltraSPARC1 extensions */
  31 #define EF_SPARC_HAL_R1         0x000400        /* HAL R1 extensions */
  32
  33 #define EF_SPARC_LEDATA         0x800000        /* little endian data */
  34
  35 /* This name is used in the V9 ABI.  */
  36 #define EF_SPARC_EXT_MASK       0xffff00        /* reserved for vendor extensions */
  37
  38 /* V9 memory models */
  39 #define EF_SPARCV9_MM           0x3             /* memory model mask */
  40 #define EF_SPARCV9_TSO          0x0             /* total store ordering */
  41 #define EF_SPARCV9_PSO          0x1             /* partial store ordering */
  42 #define EF_SPARCV9_RMO          0x2             /* relaxed store ordering */
  43
  44 /* Section indices.  */
  45
  46 #define SHN_BEFORE              0xff00          /* used with SHF_ORDERED */
  47 #define SHN_AFTER               0xff01          /* used with SHF_ORDERED */
  48
  49 /* Section flags.  */
  50
  51 #define SHF_EXCLUDE             0x80000000      /* exclude from linking */
  52 #define SHF_ORDERED             0x40000000      /* treat sh_link,sh_info specially */
  53
  54 /* Symbol types.  */
  55
  56 #define STT_REGISTER            13              /* global reg reserved to app. */
  57
  58 #include "elf/reloc-macros.h"
  59
  60 /* Relocation types.  */
  61 START_RELOC_NUMBERS (elf_sparc_reloc_type)
  62   RELOC_NUMBER (R_SPARC_NONE, 0)
  63   RELOC_NUMBER (R_SPARC_8, 1)
  64   RELOC_NUMBER (R_SPARC_16, 2)
  65   RELOC_NUMBER (R_SPARC_32, 3)
  66   RELOC_NUMBER (R_SPARC_DISP8, 4)
  67   RELOC_NUMBER (R_SPARC_DISP16, 5)
  68   RELOC_NUMBER (R_SPARC_DISP32, 6)
  69   RELOC_NUMBER (R_SPARC_WDISP30, 7)
  70   RELOC_NUMBER (R_SPARC_WDISP22, 8)
  71   RELOC_NUMBER (R_SPARC_HI22, 9)
  72   RELOC_NUMBER (R_SPARC_22, 10)
  73   RELOC_NUMBER (R_SPARC_13, 11)
  74   RELOC_NUMBER (R_SPARC_LO10, 12)
  75   RELOC_NUMBER (R_SPARC_GOT10, 13)
  76   RELOC_NUMBER (R_SPARC_GOT13, 14)
  77   RELOC_NUMBER (R_SPARC_GOT22, 15)
  78   RELOC_NUMBER (R_SPARC_PC10, 16)
  79   RELOC_NUMBER (R_SPARC_PC22, 17)
  80   RELOC_NUMBER (R_SPARC_WPLT30, 18)
  81   RELOC_NUMBER (R_SPARC_COPY, 19)
  82   RELOC_NUMBER (R_SPARC_GLOB_DAT, 20)
  83   RELOC_NUMBER (R_SPARC_JMP_SLOT, 21)
  84   RELOC_NUMBER (R_SPARC_RELATIVE, 22)
  85   RELOC_NUMBER (R_SPARC_UA32, 23)
  86
  87   /* ??? These 6 relocs are new but not currently used.  For binary
  88      compatility in the sparc64-elf toolchain, we leave them out.
  89      A non-binary upward compatible change is expected for sparc64-elf.  */
  90 #ifndef SPARC64_OLD_RELOCS
  91   /* ??? New relocs on the UltraSPARC.  Not sure what they're for yet.  */
  92   RELOC_NUMBER (R_SPARC_PLT32, 24)
  93   RELOC_NUMBER (R_SPARC_HIPLT22, 25)
  94   RELOC_NUMBER (R_SPARC_LOPLT10, 26)
  95   RELOC_NUMBER (R_SPARC_PCPLT32, 27)
  96   RELOC_NUMBER (R_SPARC_PCPLT22, 28)
  97   RELOC_NUMBER (R_SPARC_PCPLT10, 29)
  98 #endif
  99
 100   /* v9 relocs */
 101   RELOC_NUMBER (R_SPARC_10, 30)
 102   RELOC_NUMBER (R_SPARC_11, 31)
 103   RELOC_NUMBER (R_SPARC_64, 32)
 104   RELOC_NUMBER (R_SPARC_OLO10, 33)
 105   RELOC_NUMBER (R_SPARC_HH22, 34)
 106   RELOC_NUMBER (R_SPARC_HM10, 35)
 107   RELOC_NUMBER (R_SPARC_LM22, 36)
 108   RELOC_NUMBER (R_SPARC_PC_HH22, 37)
 109   RELOC_NUMBER (R_SPARC_PC_HM10, 38)
 110   RELOC_NUMBER (R_SPARC_PC_LM22, 39)
 111   RELOC_NUMBER (R_SPARC_WDISP16, 40)
 112   RELOC_NUMBER (R_SPARC_WDISP19, 41)
 113   RELOC_NUMBER (R_SPARC_UNUSED_42, 42)
 114   RELOC_NUMBER (R_SPARC_7, 43)
 115   RELOC_NUMBER (R_SPARC_5, 44)
 116   RELOC_NUMBER (R_SPARC_6, 45)
 117   RELOC_NUMBER (R_SPARC_DISP64, 46)
 118   RELOC_NUMBER (R_SPARC_PLT64, 47)
 119   RELOC_NUMBER (R_SPARC_HIX22, 48)
 120   RELOC_NUMBER (R_SPARC_LOX10, 49)
 121   RELOC_NUMBER (R_SPARC_H44, 50)
 122   RELOC_NUMBER (R_SPARC_M44, 51)
 123   RELOC_NUMBER (R_SPARC_L44, 52)
 124   RELOC_NUMBER (R_SPARC_REGISTER, 53)
 125   RELOC_NUMBER (R_SPARC_UA64, 54)
 126   RELOC_NUMBER (R_SPARC_UA16, 55)
 127
 128   /* little endian data relocs */
 129   RELOC_NUMBER (R_SPARC_REV32, 56)
 130
 131   RELOC_NUMBER (R_SPARC_GNU_VTINHERIT, 250)
 132   RELOC_NUMBER (R_SPARC_GNU_VTENTRY, 251)
 133
 134   EMPTY_RELOC  (R_SPARC_max)
 135 END_RELOC_NUMBERS
 136
 137 /* Relocation macros.  */
 138
 139 #define ELF64_R_TYPE_DATA(info)         (((bfd_vma) (info) << 32) >> 40)
 140 #define ELF64_R_TYPE_ID(info)           (((bfd_vma) (info) << 56) >> 56)
 141 #define ELF64_R_TYPE_INFO(data, type)   (((bfd_vma) (data) << 8) \
 142                                          + (bfd_vma) (type))
 143
 144 #define DT_SPARC_REGISTER       0x70000001
 145
 146 /*
 147  * FIXME: NOT ABI -- GET RID OF THIS
 148  * Defines the format used by the .plt.  Currently defined values are
 149  *   0 -- reserved to SI
 150  *   1 -- absolute address in .got.plt
 151  *   2 -- got-relative address in .got.plt
 152  */
 153
 154 #define DT_SPARC_PLTFMT         0x70000001
 155
 156 #endif /* _ELF_SPARC_H */