include/elf/nios2.h

   1 /* Altera Nios II ELF support for BFD.
   2    Copyright (C) 2012, 2013 Free Software Foundation, Inc.
   3    Contributed by Nigel Gray (ngray@altera.com).
   4    Contributed by Mentor Graphics, Inc.
   5
   6    This file is part of BFD, the Binary File Descriptor library.
   7
   8    This program is free software; you can redistribute it and/or modify
   9    it under the terms of the GNU General Public License as published by
  10    the Free Software Foundation; either version 3 of the License, or
  11    (at your option) any later version.
  12
  13    This program is distributed in the hope that it will be useful,
  14    but WITHOUT ANY WARRANTY; without even the implied warranty of
  15    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  16    GNU General Public License for more details.
  17
  18    You should have received a copy of the GNU General Public License
  19    along with this program; if not, write to the Free Software
  20    Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
  21    MA 02110-1301, USA.  */
  22
  23
  24 /* This file holds definitions specific to the Altera Nios II ELF ABI.  Note
  25    that most of this is not actually implemented by BFD.  */
  26
  27 #ifndef _ELF_NIOS2_H
  28 #define _ELF_NIOS2_H
  29
  30 #include "elf/reloc-macros.h"
  31
  32 /* The order of these numbers must match the order in
  33    the elf_nios2_howto_table_rel table for the lookup
  34    function to work properly.  */
  35
  36 START_RELOC_NUMBERS (elf_nios2_reloc_type)
  37   RELOC_NUMBER (R_NIOS2_NONE,     0)
  38   RELOC_NUMBER (R_NIOS2_S16,      1)
  39   RELOC_NUMBER (R_NIOS2_U16,      2)
  40   RELOC_NUMBER (R_NIOS2_PCREL16, 3)
  41   RELOC_NUMBER (R_NIOS2_CALL26,  4)
  42   RELOC_NUMBER (R_NIOS2_IMM5,     5)
  43   RELOC_NUMBER (R_NIOS2_CACHE_OPX, 6)
  44   RELOC_NUMBER (R_NIOS2_IMM6,     7)
  45   RELOC_NUMBER (R_NIOS2_IMM8,     8)
  46   RELOC_NUMBER (R_NIOS2_HI16,     9)
  47   RELOC_NUMBER (R_NIOS2_LO16,     10)
  48   RELOC_NUMBER (R_NIOS2_HIADJ16, 11)
  49   RELOC_NUMBER (R_NIOS2_BFD_RELOC_32, 12)
  50   RELOC_NUMBER (R_NIOS2_BFD_RELOC_16, 13)
  51   RELOC_NUMBER (R_NIOS2_BFD_RELOC_8, 14)
  52   RELOC_NUMBER (R_NIOS2_GPREL, 15)
  53   RELOC_NUMBER (R_NIOS2_GNU_VTINHERIT, 16)
  54   RELOC_NUMBER (R_NIOS2_GNU_VTENTRY, 17)
  55   RELOC_NUMBER (R_NIOS2_UJMP, 18)
  56   RELOC_NUMBER (R_NIOS2_CJMP, 19)
  57   RELOC_NUMBER (R_NIOS2_CALLR, 20)
  58   RELOC_NUMBER (R_NIOS2_ALIGN, 21)
  59   RELOC_NUMBER (R_NIOS2_GOT16, 22)
  60   RELOC_NUMBER (R_NIOS2_CALL16, 23)
  61   RELOC_NUMBER (R_NIOS2_GOTOFF_LO, 24)
  62   RELOC_NUMBER (R_NIOS2_GOTOFF_HA, 25)
  63   RELOC_NUMBER (R_NIOS2_PCREL_LO, 26)
  64   RELOC_NUMBER (R_NIOS2_PCREL_HA, 27)
  65   RELOC_NUMBER (R_NIOS2_TLS_GD16, 28)
  66   RELOC_NUMBER (R_NIOS2_TLS_LDM16, 29)
  67   RELOC_NUMBER (R_NIOS2_TLS_LDO16, 30)
  68   RELOC_NUMBER (R_NIOS2_TLS_IE16, 31)
  69   RELOC_NUMBER (R_NIOS2_TLS_LE16, 32)
  70   RELOC_NUMBER (R_NIOS2_TLS_DTPMOD, 33)
  71   RELOC_NUMBER (R_NIOS2_TLS_DTPREL, 34)
  72   RELOC_NUMBER (R_NIOS2_TLS_TPREL, 35)
  73   RELOC_NUMBER (R_NIOS2_COPY, 36)
  74   RELOC_NUMBER (R_NIOS2_GLOB_DAT, 37)
  75   RELOC_NUMBER (R_NIOS2_JUMP_SLOT, 38)
  76   RELOC_NUMBER (R_NIOS2_RELATIVE, 39)
  77   RELOC_NUMBER (R_NIOS2_GOTOFF, 40)
  78   RELOC_NUMBER (R_NIOS2_ILLEGAL, 41)
  79 END_RELOC_NUMBERS (R_NIOS2_maxext)
  80
  81 /* Processor-specific section flags.  */
  82
  83 /* This is used to mark gp-relative sections.  */
  84 #define SHF_NIOS2_GPREL 0x10000000
  85
  86 /* Processor-specific dynamic array tags.  */
  87
  88 /* Address of _gp.  */
  89 #define DT_NIOS2_GP 0x70000002
  90
  91 #endif /* _ELF_NIOS2_H */