1 /* BFD backend for RISC-V
2 Copyright (C) 2011-2017 Free Software Foundation, Inc.
4 Contributed by Andrew Waterman (andrew@sifive.com).
7 This file is part of BFD, the Binary File Descriptor library.
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.
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.
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/>. */
27 /* This routine is provided two arch_infos and returns an arch_info
28 that is compatible with both, or NULL if none exists. */
30 static const bfd_arch_info_type *
31 riscv_compatible (const bfd_arch_info_type *a, const bfd_arch_info_type *b)
33 if (a->arch != b->arch)
36 /* Machine compatibility is checked in
37 _bfd_riscv_elf_merge_private_bfd_data. */
42 #define N(BITS_WORD, BITS_ADDR, NUMBER, PRINT, DEFAULT, NEXT) \
44 BITS_WORD, /* bits in a word */ \
45 BITS_ADDR, /* bits in an address */ \
46 8, /* 8 bits in a byte */ \
55 bfd_arch_default_fill, \
59 /* This enum must be kept in the same order as arch_info_struct. */
66 #define NN(index) (&arch_info_struct[(index) + 1])
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[] =
72 N (64, 64, bfd_mach_riscv64, "riscv:rv64", FALSE, NN (I_riscv64)),
73 N (32, 32, bfd_mach_riscv32, "riscv:rv32", FALSE, 0)
76 /* The default architecture is riscv:rv64. */
78 const bfd_arch_info_type bfd_riscv_arch =
79 N (64, 64, 0, "riscv", TRUE, &arch_info_struct[0]);