Subversion Repositories hf-risc

/* BFD backend for RISC-V

   Copyright 2011-2015 Free Software Foundation, Inc.

   Contributed by Andrew Waterman (waterman@cs.berkeley.edu) at UC Berkeley.

   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_WORD, BITS_ADDR, NUMBER, PRINT, DEFAULT, NEXT)           \

  {                                                     \

    BITS_WORD, /*  bits in a word */                    \

    BITS_ADDR, /* bits in an address */                 \

    8,  /* 8 bits in a byte */                          \

    bfd_arch_riscv,                                     \

    NUMBER,                                             \

    "riscv",                                            \

    PRINT,                                              \

    3,                                                  \

    DEFAULT,                                            \

    riscv_compatible,                                   \

    bfd_default_scan,                                   \

    bfd_arch_default_fill,                              \

    NEXT,                                               \

  }

enum

{

  I_riscv64,

  I_riscv32

};

#define NN(index) (&arch_info_struct[(index) + 1])

static const bfd_arch_info_type arch_info_struct[] =

{

  N (64, 64, bfd_mach_riscv64, "riscv:rv64", FALSE, NN (I_riscv64)),

  N (32, 32, bfd_mach_riscv32, "riscv:rv32", FALSE, 0)

};

/* The default architecture is riscv:rv64.  */

const bfd_arch_info_type bfd_riscv_arch =

  N (64, 64, 0, "riscv", TRUE, &arch_info_struct[0]);