1/* Altera Nios II ELF support for BFD. 2 Copyright (C) 2012-2022 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 36START_RELOC_NUMBERS (elf_nios2_reloc_type) 37 /* Relocs used by both R1 and R2, with different howtos to match 38 the respective encodings. */ 39 RELOC_NUMBER (R_NIOS2_NONE, 0) 40 RELOC_NUMBER (R_NIOS2_S16, 1) 41 RELOC_NUMBER (R_NIOS2_U16, 2) 42 RELOC_NUMBER (R_NIOS2_PCREL16, 3) 43 RELOC_NUMBER (R_NIOS2_CALL26, 4) 44 RELOC_NUMBER (R_NIOS2_IMM5, 5) 45 RELOC_NUMBER (R_NIOS2_CACHE_OPX, 6) 46 RELOC_NUMBER (R_NIOS2_IMM6, 7) 47 RELOC_NUMBER (R_NIOS2_IMM8, 8) 48 RELOC_NUMBER (R_NIOS2_HI16, 9) 49 RELOC_NUMBER (R_NIOS2_LO16, 10) 50 RELOC_NUMBER (R_NIOS2_HIADJ16, 11) 51 RELOC_NUMBER (R_NIOS2_BFD_RELOC_32, 12) 52 RELOC_NUMBER (R_NIOS2_BFD_RELOC_16, 13) 53 RELOC_NUMBER (R_NIOS2_BFD_RELOC_8, 14) 54 RELOC_NUMBER (R_NIOS2_GPREL, 15) 55 RELOC_NUMBER (R_NIOS2_GNU_VTINHERIT, 16) 56 RELOC_NUMBER (R_NIOS2_GNU_VTENTRY, 17) 57 RELOC_NUMBER (R_NIOS2_UJMP, 18) 58 RELOC_NUMBER (R_NIOS2_CJMP, 19) 59 RELOC_NUMBER (R_NIOS2_CALLR, 20) 60 RELOC_NUMBER (R_NIOS2_ALIGN, 21) 61 RELOC_NUMBER (R_NIOS2_GOT16, 22) 62 RELOC_NUMBER (R_NIOS2_CALL16, 23) 63 RELOC_NUMBER (R_NIOS2_GOTOFF_LO, 24) 64 RELOC_NUMBER (R_NIOS2_GOTOFF_HA, 25) 65 RELOC_NUMBER (R_NIOS2_PCREL_LO, 26) 66 RELOC_NUMBER (R_NIOS2_PCREL_HA, 27) 67 RELOC_NUMBER (R_NIOS2_TLS_GD16, 28) 68 RELOC_NUMBER (R_NIOS2_TLS_LDM16, 29) 69 RELOC_NUMBER (R_NIOS2_TLS_LDO16, 30) 70 RELOC_NUMBER (R_NIOS2_TLS_IE16, 31) 71 RELOC_NUMBER (R_NIOS2_TLS_LE16, 32) 72 RELOC_NUMBER (R_NIOS2_TLS_DTPMOD, 33) 73 RELOC_NUMBER (R_NIOS2_TLS_DTPREL, 34) 74 RELOC_NUMBER (R_NIOS2_TLS_TPREL, 35) 75 RELOC_NUMBER (R_NIOS2_COPY, 36) 76 RELOC_NUMBER (R_NIOS2_GLOB_DAT, 37) 77 RELOC_NUMBER (R_NIOS2_JUMP_SLOT, 38) 78 RELOC_NUMBER (R_NIOS2_RELATIVE, 39) 79 RELOC_NUMBER (R_NIOS2_GOTOFF, 40) 80 RELOC_NUMBER (R_NIOS2_CALL26_NOAT, 41) 81 RELOC_NUMBER (R_NIOS2_GOT_LO, 42) 82 RELOC_NUMBER (R_NIOS2_GOT_HA, 43) 83 RELOC_NUMBER (R_NIOS2_CALL_LO, 44) 84 RELOC_NUMBER (R_NIOS2_CALL_HA, 45) 85 86 /* Relocs specific to R2. */ 87 RELOC_NUMBER (R_NIOS2_R2_S12, 64) 88 RELOC_NUMBER (R_NIOS2_R2_I10_1_PCREL, 65) 89 RELOC_NUMBER (R_NIOS2_R2_T1I7_1_PCREL, 66) 90 RELOC_NUMBER (R_NIOS2_R2_T1I7_2, 67) 91 RELOC_NUMBER (R_NIOS2_R2_T2I4, 68) 92 RELOC_NUMBER (R_NIOS2_R2_T2I4_1, 69) 93 RELOC_NUMBER (R_NIOS2_R2_T2I4_2, 70) 94 RELOC_NUMBER (R_NIOS2_R2_X1I7_2, 71) 95 RELOC_NUMBER (R_NIOS2_R2_X2L5, 72) 96 RELOC_NUMBER (R_NIOS2_R2_F1I5_2, 73) 97 RELOC_NUMBER (R_NIOS2_R2_L5I4X1, 74) 98 RELOC_NUMBER (R_NIOS2_R2_T1X1I6, 75) 99 RELOC_NUMBER (R_NIOS2_R2_T1X1I6_2, 76) 100 101 /* Last reloc. */ 102 RELOC_NUMBER (R_NIOS2_ILLEGAL, 77) 103END_RELOC_NUMBERS (R_NIOS2_maxext) 104 105/* Processor-specific section flags. */ 106 107/* This is used to mark gp-relative sections. */ 108#define SHF_NIOS2_GPREL 0x10000000 109 110/* Processor-specific dynamic array tags. */ 111 112/* Address of _gp. */ 113#define DT_NIOS2_GP 0x70000002 114 115/* Processor specific flags for the Elf header e_flags field. */ 116 117#define EF_NIOS2_ARCH_R1 0x00000000 118#define EF_NIOS2_ARCH_R2 0x00000001 119 120#endif /* _ELF_NIOS2_H */ 121