1/* BFD support for the Altera Nios II processor.
2   Copyright (C) 2012-2024 Free Software Foundation, Inc.
3   Contributed by Nigel Gray (ngray@altera.com).
4   Contributed by Mentor Graphics, Inc.
5
6   This file is part of BFD, the Binary File Descriptor library.
7
8   This program is free software; you can redistribute it and/or modify
9   it under the terms of the GNU General Public License as published by
10   the Free Software Foundation; either version 3 of the License, or
11   (at your option) any later version.
12
13   This program is distributed in the hope that it will be useful,
14   but WITHOUT ANY WARRANTY; without even the implied warranty of
15   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16   GNU General Public License for more details.
17
18   You should have received a copy of the GNU General Public License
19   along with this program; if not, write to the Free Software
20   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
21   MA 02110-1301, USA.  */
22
23#include "sysdep.h"
24#include "bfd.h"
25#include "libbfd.h"
26
27static const bfd_arch_info_type *
28nios2_compatible (const bfd_arch_info_type *a,
29		  const bfd_arch_info_type *b)
30{
31  if (a->arch != b->arch)
32    return NULL;
33
34  if (a->bits_per_word != b->bits_per_word)
35    return NULL;
36
37  if (a->mach == bfd_mach_nios2)
38    return a;
39  else if (b->mach == bfd_mach_nios2)
40    return b;
41  else if (a->mach != b->mach)
42    return NULL;
43
44  return a;
45}
46
47#define N(NUMBER, PRINT, DEFAULT, NEXT)			\
48  {							\
49    32, /* Bits in a word.  */				\
50    32, /* Bits in an address.  */			\
51    8,	/* Bits in a byte.  */				\
52    bfd_arch_nios2,					\
53    NUMBER,						\
54    "nios2",						\
55    PRINT,						\
56    3,							\
57    DEFAULT,						\
58    nios2_compatible,					\
59    bfd_default_scan,					\
60    bfd_arch_default_fill,				\
61    NEXT,						\
62    0 /* Maximum offset of a reloc from the start of an insn.  */ \
63  }
64
65#define NIOS2R1_NEXT &arch_info_struct[0]
66#define NIOS2R2_NEXT &arch_info_struct[1]
67
68static const bfd_arch_info_type arch_info_struct[2] =
69{
70  N (bfd_mach_nios2r1, "nios2:r1", false, NIOS2R2_NEXT),
71  N (bfd_mach_nios2r2, "nios2:r2", false, NULL),
72};
73
74const bfd_arch_info_type bfd_nios2_arch =
75  N (bfd_mach_nios2, "nios2", true, NIOS2R1_NEXT);
76