summaryrefslogtreecommitdiff
path: root/bfd/cpu-h8300.c
blob: 2a5c604df646db54a56bfb6fc4478a2532ba4fbb (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
/* BFD library support routines for the Renesas H8/300 architecture.
   Copyright 1990, 1991, 1992, 1993, 1994, 1995, 1996, 2000, 2001, 2002, 2003
   Free Software Foundation, Inc.
   Hacked by Steve Chamberlain of Cygnus Support.

   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 2 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; if not, write to the Free Software
   Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.  */

#include "bfd.h"
#include "sysdep.h"
#include "libbfd.h"

static bfd_boolean h8300_scan
  PARAMS ((const struct bfd_arch_info *, const char *));
static const bfd_arch_info_type * compatible
  PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));

static bfd_boolean
h8300_scan (info, string)
     const struct bfd_arch_info *info;
     const char *string;
{
  if (*string != 'h' && *string != 'H')
    return FALSE;

  string++;
  if (*string != '8')
    return FALSE;

  string++;
  if (*string == '/')
    string++;

  if (*string != '3')
    return FALSE;
  string++;
  if (*string != '0')
    return FALSE;
  string++;
  if (*string != '0')
    return FALSE;
  string++;
  if (*string == '-')
    string++;

  /* In ELF linker scripts, we typically express the architecture/machine
     as architecture:machine.

     So if we've matched so far and encounter a colon, try to match the
     string following the colon.  */
  if (*string == ':')
    {
      string++;
      return h8300_scan (info, string);
    }

  if (*string == 'h' || *string == 'H')
    {
      string++;
      if (*string == 'n' || *string == 'N')
	return (info->mach == bfd_mach_h8300hn);

      return (info->mach == bfd_mach_h8300h);
    }
  else if (*string == 's' || *string == 'S')
    {
      string++;
      if (*string == 'n' || *string == 'N')
	return (info->mach == bfd_mach_h8300sn);

      return (info->mach == bfd_mach_h8300s);
    }
  else
    return info->mach == bfd_mach_h8300;
}

/* This routine is provided two arch_infos and works out the machine
   which would be compatible with both and returns a pointer to its
   info structure.  */

static const bfd_arch_info_type *
compatible (in, out)
     const bfd_arch_info_type *in;
     const bfd_arch_info_type *out;
{
  /* It's really not a good idea to mix and match modes.  */
  if (in->arch != out->arch || in->mach != out->mach)
    return 0;
  else
    return in;
}

static const bfd_arch_info_type h8300sn_info_struct =
{
  32,				/* 32 bits in a word.  */
  32,				/* 32 bits in an address.  */
  8,				/* 8 bits in a byte.  */
  bfd_arch_h8300,
  bfd_mach_h8300sn,
  "h8300sn",			/* Architecture name.  */
  "h8300sn",			/* Printable name.  */
  1,
  FALSE,			/* The default machine.  */
  compatible,
  h8300_scan,
  0
};


static const bfd_arch_info_type h8300hn_info_struct =
{
  32,				/* 32 bits in a word.  */
  32,				/* 32 bits in an address.  */
  8,				/* 8 bits in a byte.  */
  bfd_arch_h8300,
  bfd_mach_h8300hn,
  "h8300hn",			/* Architecture name.  */
  "h8300hn",			/* Printable name.  */
  1,
  FALSE,			/* The default machine.  */
  compatible,
  h8300_scan,
  &h8300sn_info_struct
};

static const bfd_arch_info_type h8300s_info_struct =
{
  32,				/* 32 bits in a word.  */
  32,				/* 32 bits in an address.  */
  8,				/* 8 bits in a byte.  */
  bfd_arch_h8300,
  bfd_mach_h8300s,
  "h8300s",			/* Architecture name.  */
  "h8300s",			/* Printable name.  */
  1,
  FALSE,			/* The default machine.  */
  compatible,
  h8300_scan,
  & h8300hn_info_struct
};

static const bfd_arch_info_type h8300h_info_struct =
{
  32,				/* 32 bits in a word.  */
  32,				/* 32 bits in an address.  */
  8,				/* 8 bits in a byte.  */
  bfd_arch_h8300,
  bfd_mach_h8300h,
  "h8300h",			/* Architecture name.  */
  "h8300h",			/* Printable name.  */
  1,
  FALSE,			/* The default machine.  */
  compatible,
  h8300_scan,
  &h8300s_info_struct
};

const bfd_arch_info_type bfd_h8300_arch =
{
  16,				/* 16 bits in a word.  */
  16,				/* 16 bits in an address.  */
  8,				/* 8 bits in a byte.  */
  bfd_arch_h8300,
  bfd_mach_h8300,
  "h8300",			/* Architecture name.  */
  "h8300",			/* Printable name.  */
  1,
  TRUE,				/* The default machine.  */
  compatible,
  h8300_scan,
  &h8300h_info_struct
};