include/elf/sparc.h

   1 /* SPARC ELF support for BFD.
   2    Copyright (C) 1996, 1997 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 /* This name is used in the V9 ABI.  */
  34 #define EF_SPARC_EXT_MASK       0xffff00        /* reserved for vendor extensions */
  35
  36 /* V9 memory models */
  37 #define EF_SPARCV9_MM           0x3             /* memory model mask */
  38 #define EF_SPARCV9_TSO          0x0             /* total store ordering */
  39 #define EF_SPARCV9_PSO          0x1             /* partial store ordering */
  40 #define EF_SPARCV9_RMO          0x2             /* relaxed store ordering */
  41
  42 /* Section indices.  */
  43
  44 #define SHN_BEFORE              0xff00          /* used with SHF_ORDERED */
  45 #define SHN_AFTER               0xff01          /* used with SHF_ORDERED */
  46
  47 /* Section flags.  */
  48
  49 #define SHF_EXCLUDE             0x80000000      /* exclude from linking */
  50 #define SHF_ORDERED             0x40000000      /* treat sh_link,sh_info specially */
  51
  52 /* Symbol types.  */
  53
  54 #define STT_REGISTER            13              /* global reg reserved to app. */
  55
  56 /* Relocation types.  */
  57
  58 enum elf_sparc_reloc_type {
  59     R_SPARC_NONE = 0,
  60     R_SPARC_8, R_SPARC_16, R_SPARC_32,
  61     R_SPARC_DISP8, R_SPARC_DISP16, R_SPARC_DISP32,
  62     R_SPARC_WDISP30, R_SPARC_WDISP22,
  63     R_SPARC_HI22, R_SPARC_22,
  64     R_SPARC_13, R_SPARC_LO10,
  65     R_SPARC_GOT10, R_SPARC_GOT13, R_SPARC_GOT22,
  66     R_SPARC_PC10, R_SPARC_PC22,
  67     R_SPARC_WPLT30,
  68     R_SPARC_COPY,
  69     R_SPARC_GLOB_DAT, R_SPARC_JMP_SLOT,
  70     R_SPARC_RELATIVE,
  71     R_SPARC_UA32,
  72
  73     /* ??? These 6 relocs are new but not currently used.  For binary
  74        compatility in the sparc64-elf toolchain, we leave them out.
  75        A non-binary upward compatible change is expected for sparc64-elf.  */
  76 #ifndef SPARC64_OLD_RELOCS
  77     /* ??? New relocs on the UltraSPARC.  Not sure what they're for yet.  */
  78     R_SPARC_PLT32, R_SPARC_HIPLT22, R_SPARC_LOPLT10,
  79     R_SPARC_PCPLT32, R_SPARC_PCPLT22, R_SPARC_PCPLT10,
  80 #endif
  81
  82     /* v9 relocs */
  83     R_SPARC_10, R_SPARC_11, R_SPARC_64,
  84     R_SPARC_OLO10, R_SPARC_HH22, R_SPARC_HM10, R_SPARC_LM22,
  85     R_SPARC_PC_HH22, R_SPARC_PC_HM10, R_SPARC_PC_LM22,
  86     R_SPARC_WDISP16, R_SPARC_WDISP19,
  87     R_SPARC_UNUSED_42,
  88     R_SPARC_7, R_SPARC_5, R_SPARC_6,
  89     R_SPARC_DISP64, R_SPARC_PLT64,
  90     R_SPARC_HIX22, R_SPARC_LOX10,
  91     R_SPARC_H44, R_SPARC_M44, R_SPARC_L44,
  92     R_SPARC_REGISTER,
  93
  94     R_SPARC_max
  95 };
  96
  97 /* Relocation macros.  */
  98
  99 #define ELF64_R_TYPE_DATA(info)         (((bfd_vma) (info) << 32) >> 40)
 100 #define ELF64_R_TYPE_ID(info)           (((bfd_vma) (info) << 56) >> 56)
 101 #define ELF64_R_TYPE_INFO(data, type)   (((bfd_vma) (data) << 8) \
 102                                          + (bfd_vma) (type))
 103
 104 #define DT_SPARC_REGISTER       0x70000001
 105
 106 /*
 107  * FIXME: NOT ABI -- GET RID OF THIS
 108  * Defines the format used by the .plt.  Currently defined values are
 109  *   0 -- reserved to SI
 110  *   1 -- absolute address in .got.plt
 111  *   2 -- got-relative address in .got.plt
 112  */
 113
 114 #define DT_SPARC_PLTFMT         0x70000001
 115
 116 #endif /* _ELF_SPARC_H */