/* Altera Nios II ELF support for BFD.

   Copyright (C) 2012-2026 Free Software Foundation, Inc.

   Contributed by Nigel Gray (ngray@altera.com).

   Contributed by Mentor Graphics, Inc.

   This file is part of BFD, the Binary File Descriptor library.

   This program is free software; you can redistribute it and/or modify

   it under the terms of the GNU General Public License as published by

   the Free Software Foundation; either version 3 of the License, or

   (at your option) any later version.

   This program is distributed in the hope that it will be useful,

   but WITHOUT ANY WARRANTY; without even the implied warranty of

   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

   GNU General Public License for more details.

   You should have received a copy of the GNU General Public License

   along with this program; if not, write to the Free Software

   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,

   MA 02110-1301, USA.  */

/* This file holds definitions specific to the Altera Nios II ELF ABI.  Note

   that most of this is not actually implemented by BFD.  */

#ifndef _ELF_NIOS2_H

#define _ELF_NIOS2_H

#include "elf/reloc-macros.h"

/* The order of these numbers must match the order in

   the elf_nios2_howto_table_rel table for the lookup

   function to work properly.  */

START_RELOC_NUMBERS (elf_nios2_reloc_type)

  /* Relocs used by both R1 and R2, with different howtos to match

     the respective encodings.  */

  RELOC_NUMBER (R_NIOS2_NONE,   0)

  RELOC_NUMBER (R_NIOS2_S16,    1)

  RELOC_NUMBER (R_NIOS2_U16,    2)

  RELOC_NUMBER (R_NIOS2_PCREL16, 3)

  RELOC_NUMBER (R_NIOS2_CALL26,  4)

  RELOC_NUMBER (R_NIOS2_IMM5,   5)

  RELOC_NUMBER (R_NIOS2_CACHE_OPX, 6)

  RELOC_NUMBER (R_NIOS2_IMM6,   7)

  RELOC_NUMBER (R_NIOS2_IMM8,   8)

  RELOC_NUMBER (R_NIOS2_HI16,   9)

  RELOC_NUMBER (R_NIOS2_LO16,   10)

  RELOC_NUMBER (R_NIOS2_HIADJ16, 11)

  RELOC_NUMBER (R_NIOS2_BFD_RELOC_32, 12)

  RELOC_NUMBER (R_NIOS2_BFD_RELOC_16, 13)

  RELOC_NUMBER (R_NIOS2_BFD_RELOC_8, 14)

  RELOC_NUMBER (R_NIOS2_GPREL, 15)

  RELOC_NUMBER (R_NIOS2_GNU_VTINHERIT, 16)

  RELOC_NUMBER (R_NIOS2_GNU_VTENTRY, 17)

  RELOC_NUMBER (R_NIOS2_UJMP, 18)

  RELOC_NUMBER (R_NIOS2_CJMP, 19)

  RELOC_NUMBER (R_NIOS2_CALLR, 20)

  RELOC_NUMBER (R_NIOS2_ALIGN, 21)

  RELOC_NUMBER (R_NIOS2_GOT16, 22)

  RELOC_NUMBER (R_NIOS2_CALL16, 23)

  RELOC_NUMBER (R_NIOS2_GOTOFF_LO, 24)

  RELOC_NUMBER (R_NIOS2_GOTOFF_HA, 25)

  RELOC_NUMBER (R_NIOS2_PCREL_LO, 26)

  RELOC_NUMBER (R_NIOS2_PCREL_HA, 27)

  RELOC_NUMBER (R_NIOS2_TLS_GD16, 28)

  RELOC_NUMBER (R_NIOS2_TLS_LDM16, 29)

  RELOC_NUMBER (R_NIOS2_TLS_LDO16, 30)

  RELOC_NUMBER (R_NIOS2_TLS_IE16, 31)

  RELOC_NUMBER (R_NIOS2_TLS_LE16, 32)

  RELOC_NUMBER (R_NIOS2_TLS_DTPMOD, 33)

  RELOC_NUMBER (R_NIOS2_TLS_DTPREL, 34)

  RELOC_NUMBER (R_NIOS2_TLS_TPREL, 35)

  RELOC_NUMBER (R_NIOS2_COPY, 36)

  RELOC_NUMBER (R_NIOS2_GLOB_DAT, 37)

  RELOC_NUMBER (R_NIOS2_JUMP_SLOT, 38)

  RELOC_NUMBER (R_NIOS2_RELATIVE, 39)

  RELOC_NUMBER (R_NIOS2_GOTOFF, 40)

  RELOC_NUMBER (R_NIOS2_CALL26_NOAT,  41)

  RELOC_NUMBER (R_NIOS2_GOT_LO, 42)

  RELOC_NUMBER (R_NIOS2_GOT_HA, 43)

  RELOC_NUMBER (R_NIOS2_CALL_LO, 44)

  RELOC_NUMBER (R_NIOS2_CALL_HA, 45)

  /* Relocs specific to R2.  */

  RELOC_NUMBER (R_NIOS2_R2_S12, 64)

  RELOC_NUMBER (R_NIOS2_R2_I10_1_PCREL, 65)

  RELOC_NUMBER (R_NIOS2_R2_T1I7_1_PCREL, 66)

  RELOC_NUMBER (R_NIOS2_R2_T1I7_2, 67)

  RELOC_NUMBER (R_NIOS2_R2_T2I4, 68)

  RELOC_NUMBER (R_NIOS2_R2_T2I4_1, 69)

  RELOC_NUMBER (R_NIOS2_R2_T2I4_2, 70)

  RELOC_NUMBER (R_NIOS2_R2_X1I7_2, 71)

  RELOC_NUMBER (R_NIOS2_R2_X2L5, 72)

  RELOC_NUMBER (R_NIOS2_R2_F1I5_2, 73)

  RELOC_NUMBER (R_NIOS2_R2_L5I4X1, 74)

  RELOC_NUMBER (R_NIOS2_R2_T1X1I6, 75)

  RELOC_NUMBER (R_NIOS2_R2_T1X1I6_2, 76)

  /* Last reloc.  */

  RELOC_NUMBER (R_NIOS2_ILLEGAL, 77)

END_RELOC_NUMBERS (R_NIOS2_maxext)

/* Processor-specific section flags.  */

/* This is used to mark gp-relative sections.  */

#define SHF_NIOS2_GPREL 0x10000000

/* Processor-specific dynamic array tags.  */

/* Address of _gp.  */

#define DT_NIOS2_GP 0x70000002

/* Processor specific flags for the Elf header e_flags field.  */

#define EF_NIOS2_ARCH_R1 0x00000000

#define EF_NIOS2_ARCH_R2 0x00000001

#endif /* _ELF_NIOS2_H */