2016-11-02 00:45:57 +08:00
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/* BFD backend for RISC-V
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2020-01-01 15:57:01 +08:00
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Copyright (C) 2011-2020 Free Software Foundation, Inc.
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2016-11-02 00:45:57 +08:00
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Contributed by Andrew Waterman (andrew@sifive.com).
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Based on MIPS target.
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This file is part of BFD, the Binary File Descriptor library.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; see the file COPYING3. If not,
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see <http://www.gnu.org/licenses/>. */
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#include "sysdep.h"
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#include "bfd.h"
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#include "libbfd.h"
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/* This routine is provided two arch_infos and returns an arch_info
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that is compatible with both, or NULL if none exists. */
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static const bfd_arch_info_type *
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riscv_compatible (const bfd_arch_info_type *a, const bfd_arch_info_type *b)
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{
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if (a->arch != b->arch)
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return NULL;
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/* Machine compatibility is checked in
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_bfd_riscv_elf_merge_private_bfd_data. */
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return a;
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}
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2019-09-10 22:20:58 +08:00
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#define N(BITS, NUMBER, PRINT, DEFAULT, NEXT) \
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2016-11-02 00:45:57 +08:00
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{ \
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2019-09-10 22:20:58 +08:00
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BITS, /* Bits in a word. */ \
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BITS, /* Bits in an address. */ \
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8, /* Bits in a byte. */ \
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2016-11-02 00:45:57 +08:00
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bfd_arch_riscv, \
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NUMBER, \
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"riscv", \
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PRINT, \
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3, \
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DEFAULT, \
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riscv_compatible, \
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bfd_default_scan, \
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bfd_arch_default_fill, \
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NEXT, \
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0 /* Maximum offset of a reloc from the start of an insn. */\
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2016-11-02 00:45:57 +08:00
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}
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/* This enum must be kept in the same order as arch_info_struct. */
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enum
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{
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I_riscv64,
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I_riscv32
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};
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#define NN(index) (&arch_info_struct[(index) + 1])
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/* This array must be kept in the same order as the anonymous enum above,
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and each entry except the last should end with NN (my enum value). */
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static const bfd_arch_info_type arch_info_struct[] =
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{
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N (64, bfd_mach_riscv64, "riscv:rv64", FALSE, NN (I_riscv64)),
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N (32, bfd_mach_riscv32, "riscv:rv32", FALSE, NULL)
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2016-11-02 00:45:57 +08:00
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};
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/* The default architecture is riscv:rv64. */
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const bfd_arch_info_type bfd_riscv_arch =
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N (64, 0, "riscv", TRUE, &arch_info_struct[0]);
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