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121 lines
4.1 KiB
C
121 lines
4.1 KiB
C
/* Altera Nios II ELF support for BFD.
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Copyright (C) 2012-2021 Free Software Foundation, Inc.
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Contributed by Nigel Gray (ngray@altera.com).
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Contributed by Mentor Graphics, Inc.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
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MA 02110-1301, USA. */
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/* This file holds definitions specific to the Altera Nios II ELF ABI. Note
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that most of this is not actually implemented by BFD. */
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#ifndef _ELF_NIOS2_H
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#define _ELF_NIOS2_H
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#include "elf/reloc-macros.h"
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/* The order of these numbers must match the order in
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the elf_nios2_howto_table_rel table for the lookup
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function to work properly. */
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START_RELOC_NUMBERS (elf_nios2_reloc_type)
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/* Relocs used by both R1 and R2, with different howtos to match
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the respective encodings. */
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RELOC_NUMBER (R_NIOS2_NONE, 0)
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RELOC_NUMBER (R_NIOS2_S16, 1)
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RELOC_NUMBER (R_NIOS2_U16, 2)
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RELOC_NUMBER (R_NIOS2_PCREL16, 3)
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RELOC_NUMBER (R_NIOS2_CALL26, 4)
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RELOC_NUMBER (R_NIOS2_IMM5, 5)
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RELOC_NUMBER (R_NIOS2_CACHE_OPX, 6)
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RELOC_NUMBER (R_NIOS2_IMM6, 7)
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RELOC_NUMBER (R_NIOS2_IMM8, 8)
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RELOC_NUMBER (R_NIOS2_HI16, 9)
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RELOC_NUMBER (R_NIOS2_LO16, 10)
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RELOC_NUMBER (R_NIOS2_HIADJ16, 11)
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RELOC_NUMBER (R_NIOS2_BFD_RELOC_32, 12)
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RELOC_NUMBER (R_NIOS2_BFD_RELOC_16, 13)
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RELOC_NUMBER (R_NIOS2_BFD_RELOC_8, 14)
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RELOC_NUMBER (R_NIOS2_GPREL, 15)
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RELOC_NUMBER (R_NIOS2_GNU_VTINHERIT, 16)
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RELOC_NUMBER (R_NIOS2_GNU_VTENTRY, 17)
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RELOC_NUMBER (R_NIOS2_UJMP, 18)
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RELOC_NUMBER (R_NIOS2_CJMP, 19)
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RELOC_NUMBER (R_NIOS2_CALLR, 20)
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RELOC_NUMBER (R_NIOS2_ALIGN, 21)
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RELOC_NUMBER (R_NIOS2_GOT16, 22)
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RELOC_NUMBER (R_NIOS2_CALL16, 23)
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RELOC_NUMBER (R_NIOS2_GOTOFF_LO, 24)
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RELOC_NUMBER (R_NIOS2_GOTOFF_HA, 25)
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RELOC_NUMBER (R_NIOS2_PCREL_LO, 26)
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RELOC_NUMBER (R_NIOS2_PCREL_HA, 27)
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RELOC_NUMBER (R_NIOS2_TLS_GD16, 28)
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RELOC_NUMBER (R_NIOS2_TLS_LDM16, 29)
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RELOC_NUMBER (R_NIOS2_TLS_LDO16, 30)
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RELOC_NUMBER (R_NIOS2_TLS_IE16, 31)
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RELOC_NUMBER (R_NIOS2_TLS_LE16, 32)
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RELOC_NUMBER (R_NIOS2_TLS_DTPMOD, 33)
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RELOC_NUMBER (R_NIOS2_TLS_DTPREL, 34)
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RELOC_NUMBER (R_NIOS2_TLS_TPREL, 35)
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RELOC_NUMBER (R_NIOS2_COPY, 36)
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RELOC_NUMBER (R_NIOS2_GLOB_DAT, 37)
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RELOC_NUMBER (R_NIOS2_JUMP_SLOT, 38)
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RELOC_NUMBER (R_NIOS2_RELATIVE, 39)
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RELOC_NUMBER (R_NIOS2_GOTOFF, 40)
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RELOC_NUMBER (R_NIOS2_CALL26_NOAT, 41)
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RELOC_NUMBER (R_NIOS2_GOT_LO, 42)
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RELOC_NUMBER (R_NIOS2_GOT_HA, 43)
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RELOC_NUMBER (R_NIOS2_CALL_LO, 44)
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RELOC_NUMBER (R_NIOS2_CALL_HA, 45)
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/* Relocs specific to R2. */
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RELOC_NUMBER (R_NIOS2_R2_S12, 64)
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RELOC_NUMBER (R_NIOS2_R2_I10_1_PCREL, 65)
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RELOC_NUMBER (R_NIOS2_R2_T1I7_1_PCREL, 66)
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RELOC_NUMBER (R_NIOS2_R2_T1I7_2, 67)
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RELOC_NUMBER (R_NIOS2_R2_T2I4, 68)
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RELOC_NUMBER (R_NIOS2_R2_T2I4_1, 69)
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RELOC_NUMBER (R_NIOS2_R2_T2I4_2, 70)
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RELOC_NUMBER (R_NIOS2_R2_X1I7_2, 71)
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RELOC_NUMBER (R_NIOS2_R2_X2L5, 72)
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RELOC_NUMBER (R_NIOS2_R2_F1I5_2, 73)
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RELOC_NUMBER (R_NIOS2_R2_L5I4X1, 74)
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RELOC_NUMBER (R_NIOS2_R2_T1X1I6, 75)
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RELOC_NUMBER (R_NIOS2_R2_T1X1I6_2, 76)
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/* Last reloc. */
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RELOC_NUMBER (R_NIOS2_ILLEGAL, 77)
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END_RELOC_NUMBERS (R_NIOS2_maxext)
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/* Processor-specific section flags. */
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/* This is used to mark gp-relative sections. */
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#define SHF_NIOS2_GPREL 0x10000000
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/* Processor-specific dynamic array tags. */
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/* Address of _gp. */
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#define DT_NIOS2_GP 0x70000002
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/* Processor specific flags for the Elf header e_flags field. */
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#define EF_NIOS2_ARCH_R1 0x00000000
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#define EF_NIOS2_ARCH_R2 0x00000001
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#endif /* _ELF_NIOS2_H */
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