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  1. /* ARC ELF support for BFD.
  2.    Copyright (C) 1995-2015 Free Software Foundation, Inc.
  3.    Contributed by Doug Evans, (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 3 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., 51 Franklin Street - Fifth Floor, Boston,
  20.    MA 02110-1301, USA.  */
  21.  
  22. /* This file holds definitions specific to the ARC ELF ABI.  */
  23.  
  24. #ifndef _ELF_ARC_H
  25. #define _ELF_ARC_H
  26.  
  27. #include "elf/reloc-macros.h"
  28.  
  29. /* Relocations.  */
  30.  
  31. #define ARC_RELOC_HOWTO(TYPE, VALUE, SIZE, BITSIZE, RELOC_FUNCTION, OVERFLOW, FORMULA) \
  32.   RELOC_NUMBER(R_##TYPE, VALUE)
  33.  
  34. START_RELOC_NUMBERS (elf_arc_reloc_type)
  35. #include "arc-reloc.def"
  36. END_RELOC_NUMBERS (R_ARC_max)
  37.  
  38. #undef ARC_RELOC_HOWTO
  39.  
  40. /* Processor specific flags for the ELF header e_flags field.  */
  41.  
  42. /* Four bit ARC machine type field.  */
  43. #define EF_ARC_MACH_MSK  0x000000ff
  44. #define EF_ARC_OSABI_MSK 0x00000f00
  45. #define EF_ARC_ALL_MSK   (EF_ARC_MACH_MSK | EF_ARC_OSABI_MSK)
  46.  
  47. /* Four bit ARC machine type field.  */
  48.  
  49. #define EF_ARC_MACH 0x0000000f
  50.  
  51. /* Various CPU types.  */
  52. #define E_ARC_MACH_ARC600       0x00000002
  53. #define E_ARC_MACH_ARC601       0x00000004
  54. #define E_ARC_MACH_ARC700       0x00000003
  55.  
  56. /* Processor specific flags for the ELF header e_flags field.  */
  57. #define EF_ARC_CPU_GENERIC      0x00000000
  58. #define EF_ARC_CPU_ARCV2EM      0x00000005
  59. #define EF_ARC_CPU_ARCV2HS      0x00000006
  60.  
  61. /* ARC Linux specific ABIs.  */
  62. #define E_ARC_OSABI_ORIG        0x00000000   /* MUST be 0 for back-compat.  */
  63. #define E_ARC_OSABI_V2          0x00000200
  64. #define E_ARC_OSABI_V3          0x00000300
  65. #define E_ARC_OSABI_CURRENT     E_ARC_OSABI_V3
  66.  
  67. /* Leave bits 0xf0 alone in case we ever have more than 16 cpu types.  */
  68.  
  69. /* File contains position independent code.  */
  70.  
  71. #define EF_ARC_PIC 0x00000100
  72.  
  73. #endif /* _ELF_ARC_H */
  74.