1/* BFD back-end for rs6000 support
2   Copyright 1990, 1991, 1993, 1995, 2000, 2002, 2003, 2005, 2007
3   Free Software Foundation, Inc.
4   Written by Mimi Phuong-Thao Vo of IBM
5   and John Gilmore of Cygnus Support.
6
7   This file is part of BFD, the Binary File Descriptor library.
8
9   This program is free software; you can redistribute it and/or modify
10   it under the terms of the GNU General Public License as published by
11   the Free Software Foundation; either version 3 of the License, or
12   (at your option) any later version.
13
14   This program is distributed in the hope that it will be useful,
15   but WITHOUT ANY WARRANTY; without even the implied warranty of
16   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
17   GNU General Public License for more details.
18
19   You should have received a copy of the GNU General Public License
20   along with this program; if not, write to the Free Software
21   Foundation, Inc., 51 Franklin Street - Fifth Floor, Boston,
22   MA 02110-1301, USA.  */
23
24#include "sysdep.h"
25#include "bfd.h"
26#include "libbfd.h"
27
28/* The RS/6000 architecture is compatible with the PowerPC common
29   architecture.  */
30
31static const bfd_arch_info_type *rs6000_compatible
32  PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
33
34static const bfd_arch_info_type *
35rs6000_compatible (a,b)
36     const bfd_arch_info_type *a;
37     const bfd_arch_info_type *b;
38{
39  BFD_ASSERT (a->arch == bfd_arch_rs6000);
40  switch (b->arch)
41    {
42    default:
43      return NULL;
44    case bfd_arch_rs6000:
45      return bfd_default_compatible (a, b);
46    case bfd_arch_powerpc:
47      if (a->mach == bfd_mach_rs6k)
48	return b;
49      return NULL;
50    }
51  /*NOTREACHED*/
52}
53
54static const bfd_arch_info_type arch_info_struct[] =
55{
56  {
57    32,	/* 32 bits in a word */
58    32,	/* 32 bits in an address */
59    8,	/* 8 bits in a byte */
60    bfd_arch_rs6000,
61    bfd_mach_rs6k_rs1,
62    "rs6000",
63    "rs6000:rs1",
64    3,
65    FALSE, /* not the default */
66    rs6000_compatible,
67    bfd_default_scan,
68    &arch_info_struct[1]
69  },
70  {
71    32,	/* 32 bits in a word */
72    32,	/* 32 bits in an address */
73    8,	/* 8 bits in a byte */
74    bfd_arch_rs6000,
75    bfd_mach_rs6k_rsc,
76    "rs6000",
77    "rs6000:rsc",
78    3,
79    FALSE, /* not the default */
80    rs6000_compatible,
81    bfd_default_scan,
82    &arch_info_struct[2]
83  },
84  {
85    32,	/* 32 bits in a word */
86    32,	/* 32 bits in an address */
87    8,	/* 8 bits in a byte */
88    bfd_arch_rs6000,
89    bfd_mach_rs6k_rs2,
90    "rs6000",
91    "rs6000:rs2",
92    3,
93    FALSE, /* not the default */
94    rs6000_compatible,
95    bfd_default_scan,
96    0
97  }
98};
99
100const bfd_arch_info_type bfd_rs6000_arch =
101  {
102    32,	/* 32 bits in a word */
103    32,	/* 32 bits in an address */
104    8,	/* 8 bits in a byte */
105    bfd_arch_rs6000,
106    bfd_mach_rs6k,	/* POWER common architecture */
107    "rs6000",
108    "rs6000:6000",
109    3,
110    TRUE, /* the default */
111    rs6000_compatible,
112    bfd_default_scan,
113    &arch_info_struct[0]
114  };
115