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
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 2 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, 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
30 static const bfd_arch_info_type *rs6000_compatible
31 PARAMS ((const bfd_arch_info_type *, const bfd_arch_info_type *));
32
33 static const bfd_arch_info_type *
rs6000_compatible(a,b)34 rs6000_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
53 static 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
99 const 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