| /* Altera Nios II ELF support for BFD. |
| Copyright (C) 2012-2021 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 */ |
