projects / thirdparty / binutils-gdb.git / blame
| Commit | Line | Data |
|---|---|---|
| e23eba97 | 1 | /* BFD backend for RISC-V |
| 82704155 | 2 | Copyright (C) 2011-2019 Free Software Foundation, Inc. |
| e23eba97 NC |
3 | |
| 4 | Contributed by Andrew Waterman (andrew@sifive.com). | |
| 5 | Based on MIPS target. | |
| 6 | ||
| 7 | This file is part of BFD, the Binary File Descriptor library. | |
| 8 | ||
| 9 | This program is free software; you can redistribute it and/or modify | |
| 10 | it under the terms of the GNU General Public License as published by | |
| 11 | the Free Software Foundation; either version 3 of the License, or | |
| 12 | (at your option) any later version. | |
| 13 | ||
| 14 | This program is distributed in the hope that it will be useful, | |
| 15 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 16 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 17 | GNU General Public License for more details. | |
| 18 | ||
| 19 | You should have received a copy of the GNU General Public License | |
| 20 | along with this program; see the file COPYING3. If not, | |
| 21 | see <http://www.gnu.org/licenses/>. */ | |
| 22 | ||
| 23 | #include "sysdep.h" | |
| 24 | #include "bfd.h" | |
| 25 | #include "libbfd.h" | |
| 26 | ||
| 27 | /* This routine is provided two arch_infos and returns an arch_info | |
| 28 | that is compatible with both, or NULL if none exists. */ | |
| 29 | ||
| 30 | static const bfd_arch_info_type * | |
| 31 | riscv_compatible (const bfd_arch_info_type *a, const bfd_arch_info_type *b) | |
| 32 | { | |
| 33 | if (a->arch != b->arch) | |
| 34 | return NULL; | |
| 35 | ||
| 36 | /* Machine compatibility is checked in | |
| 37 | _bfd_riscv_elf_merge_private_bfd_data. */ | |
| 38 | ||
| 39 | return a; | |
| 40 | } | |
| 41 | ||
| 42 | #define N(BITS_WORD, BITS_ADDR, NUMBER, PRINT, DEFAULT, NEXT) \ | |
| 43 | { \ | |
| 44 | BITS_WORD, /* bits in a word */ \ | |
| 45 | BITS_ADDR, /* bits in an address */ \ | |
| 46 | 8, /* 8 bits in a byte */ \ | |
| 47 | bfd_arch_riscv, \ | |
| 48 | NUMBER, \ | |
| 49 | "riscv", \ | |
| 50 | PRINT, \ | |
| 51 | 3, \ | |
| 52 | DEFAULT, \ | |
| 53 | riscv_compatible, \ | |
| 54 | bfd_default_scan, \ | |
| 55 | bfd_arch_default_fill, \ | |
| 56 | NEXT, \ | |
| 57 | } | |
| 58 | ||
| 59 | /* This enum must be kept in the same order as arch_info_struct. */ | |
| 60 | enum | |
| 61 | { | |
| 62 | I_riscv64, | |
| 63 | I_riscv32 | |
| 64 | }; | |
| 65 | ||
| 66 | #define NN(index) (&arch_info_struct[(index) + 1]) | |
| 67 | ||
| 68 | /* This array must be kept in the same order as the anonymous enum above, | |
| 69 | and each entry except the last should end with NN (my enum value). */ | |
| 70 | static const bfd_arch_info_type arch_info_struct[] = | |
| 71 | { | |
| 72 | N (64, 64, bfd_mach_riscv64, "riscv:rv64", FALSE, NN (I_riscv64)), | |
| 73 | N (32, 32, bfd_mach_riscv32, "riscv:rv32", FALSE, 0) | |
| 74 | }; | |
| 75 | ||
| 76 | /* The default architecture is riscv:rv64. */ | |
| 77 | ||
| 78 | const bfd_arch_info_type bfd_riscv_arch = | |
| 79 | N (64, 64, 0, "riscv", TRUE, &arch_info_struct[0]); |