1/* BFD back-end for rs6000 support
2   Copyright 1990, 1991, 1993, 1995, 2000, 2002, 2003, 2007
3   Free Software Foundation, Inc.
4   Written by Mimi Phuong-Thao Vo of IBM
5   and John Gilmore of Cygnus Support.
6
7This file is part of BFD, the Binary File Descriptor library.
8
9This program is free software; you can redistribute it and/or modify
10it under the terms of the GNU General Public License as published by
11the Free Software Foundation; either version 2 of the License, or
12(at your option) any later version.
13
14This program is distributed in the hope that it will be useful,
15but WITHOUT ANY WARRANTY; without even the implied warranty of
16MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17GNU General Public License for more details.
18
19You should have received a copy of the GNU General Public License
20along with this program; if not, write to the Free Software
21Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA.  */
22
23#include "sysdep.h"
24#include "bfd.h"
25#include "libbfd.h"
26
27/* The RS/6000 architecture is compatible with the PowerPC common
28   architecture.  */
29
30static const bfd_arch_info_type *rs6000_compatible
31  PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
32
33static const bfd_arch_info_type *
34rs6000_compatible (a,b)
35     const bfd_arch_info_type *a;
36     const bfd_arch_info_type *b;
37{
38  BFD_ASSERT (a->arch == bfd_arch_rs6000);
39  switch (b->arch)
40    {
41    default:
42      return NULL;
43    case bfd_arch_rs6000:
44      return bfd_default_compatible (a, b);
45    case bfd_arch_powerpc:
46      if (a->mach == bfd_mach_rs6k)
47	return b;
48      return NULL;
49    }
50  /*NOTREACHED*/
51}
52
53static const bfd_arch_info_type arch_info_struct[] =
54{
55  {
56    32,	/* 32 bits in a word */
57    32,	/* 32 bits in an address */
58    8,	/* 8 bits in a byte */
59    bfd_arch_rs6000,
60    bfd_mach_rs6k_rs1,
61    "rs6000",
62    "rs6000:rs1",
63    3,
64    FALSE, /* not the default */
65    rs6000_compatible,
66    bfd_default_scan,
67    &arch_info_struct[1]
68  },
69  {
70    32,	/* 32 bits in a word */
71    32,	/* 32 bits in an address */
72    8,	/* 8 bits in a byte */
73    bfd_arch_rs6000,
74    bfd_mach_rs6k_rsc,
75    "rs6000",
76    "rs6000:rsc",
77    3,
78    FALSE, /* not the default */
79    rs6000_compatible,
80    bfd_default_scan,
81    &arch_info_struct[2]
82  },
83  {
84    32,	/* 32 bits in a word */
85    32,	/* 32 bits in an address */
86    8,	/* 8 bits in a byte */
87    bfd_arch_rs6000,
88    bfd_mach_rs6k_rs2,
89    "rs6000",
90    "rs6000:rs2",
91    3,
92    FALSE, /* not the default */
93    rs6000_compatible,
94    bfd_default_scan,
95    0
96  }
97};
98
99const bfd_arch_info_type bfd_rs6000_arch =
100  {
101    32,	/* 32 bits in a word */
102    32,	/* 32 bits in an address */
103    8,	/* 8 bits in a byte */
104    bfd_arch_rs6000,
105    bfd_mach_rs6k,	/* POWER common architecture */
106    "rs6000",
107    "rs6000:6000",
108    3,
109    TRUE, /* the default */
110    rs6000_compatible,
111    bfd_default_scan,
112    &arch_info_struct[0]
113  };
114