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/* BFD backend for RISC-V
Copyright (C) 2011-2020 Free Software Foundation, Inc.
Contributed by Andrew Waterman (andrew@sifive.com).
Based on MIPS target.
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; see the file COPYING3. If not,
see <http://www.gnu.org/licenses/>. */
#include "sysdep.h"
#include "bfd.h"
#include "libbfd.h"
/* This routine is provided two arch_infos and returns an arch_info
that is compatible with both, or NULL if none exists. */
static const bfd_arch_info_type *
riscv_compatible (const bfd_arch_info_type *a, const bfd_arch_info_type *b)
{
if (a->arch != b->arch)
return NULL;
/* Machine compatibility is checked in
_bfd_riscv_elf_merge_private_bfd_data. */
return a;
}
#define N(BITS, NUMBER, PRINT, DEFAULT, NEXT) \
{ \
BITS, /* Bits in a word. */ \
BITS, /* Bits in an address. */ \
8, /* Bits in a byte. */ \
bfd_arch_riscv, \
NUMBER, \
"riscv", \
PRINT, \
3, \
DEFAULT, \
riscv_compatible, \
bfd_default_scan, \
bfd_arch_default_fill, \
NEXT, \
0 /* Maximum offset of a reloc from the start of an insn. */\
}
/* This enum must be kept in the same order as arch_info_struct. */
enum
{
I_riscv64,
I_riscv32
};
#define NN(index) (&arch_info_struct[(index) + 1])
/* This array must be kept in the same order as the anonymous enum above,
and each entry except the last should end with NN (my enum value). */
static const bfd_arch_info_type arch_info_struct[] =
{
N (64, bfd_mach_riscv64, "riscv:rv64", FALSE, NN (I_riscv64)),
N (32, bfd_mach_riscv32, "riscv:rv32", FALSE, NULL)
};
/* The default architecture is riscv:rv64. */
const bfd_arch_info_type bfd_riscv_arch =
N (64, 0, "riscv", TRUE, &arch_info_struct[0]);
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