/* Altera Nios II ELF support for BFD.
Copyright (C) 2012-2024 Free Software Foundation, Inc.
Contributed by Nigel Gray (
[email protected]).
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 */
