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  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 */
  92.