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e23eba97 | 1 | /* BFD backend for RISC-V |
2571583a | 2 | Copyright (C) 2011-2017 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]); |