1 /* BFD back-end for rs6000 support
2 Copyright (C) 1990-2016 Free Software Foundation, Inc.
3 Written by Mimi Phuong-Thao Vo of IBM
4 and John Gilmore of Cygnus Support.
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
27 /* The RS/6000 architecture is compatible with the PowerPC common
28 architecture. */
29
30 static const bfd_arch_info_type *
rs6000_compatible(const bfd_arch_info_type * a,const bfd_arch_info_type * b)31 rs6000_compatible (const bfd_arch_info_type *a,
32 const bfd_arch_info_type *b)
33 {
34 BFD_ASSERT (a->arch == bfd_arch_rs6000);
35 switch (b->arch)
36 {
37 default:
38 return NULL;
39 case bfd_arch_rs6000:
40 return bfd_default_compatible (a, b);
41 case bfd_arch_powerpc:
42 if (a->mach == bfd_mach_rs6k)
43 return b;
44 return NULL;
45 }
46 /*NOTREACHED*/
47 }
48
49 static const bfd_arch_info_type arch_info_struct[] =
50 {
51 {
52 32, /* 32 bits in a word */
53 32, /* 32 bits in an address */
54 8, /* 8 bits in a byte */
55 bfd_arch_rs6000,
56 bfd_mach_rs6k_rs1,
57 "rs6000",
58 "rs6000:rs1",
59 3,
60 FALSE, /* not the default */
61 rs6000_compatible,
62 bfd_default_scan,
63 bfd_arch_default_fill,
64 &arch_info_struct[1]
65 },
66 {
67 32, /* 32 bits in a word */
68 32, /* 32 bits in an address */
69 8, /* 8 bits in a byte */
70 bfd_arch_rs6000,
71 bfd_mach_rs6k_rsc,
72 "rs6000",
73 "rs6000:rsc",
74 3,
75 FALSE, /* not the default */
76 rs6000_compatible,
77 bfd_default_scan,
78 bfd_arch_default_fill,
79 &arch_info_struct[2]
80 },
81 {
82 32, /* 32 bits in a word */
83 32, /* 32 bits in an address */
84 8, /* 8 bits in a byte */
85 bfd_arch_rs6000,
86 bfd_mach_rs6k_rs2,
87 "rs6000",
88 "rs6000:rs2",
89 3,
90 FALSE, /* not the default */
91 rs6000_compatible,
92 bfd_default_scan,
93 bfd_arch_default_fill,
94 0
95 }
96 };
97
98 const bfd_arch_info_type bfd_rs6000_arch =
99 {
100 32, /* 32 bits in a word */
101 32, /* 32 bits in an address */
102 8, /* 8 bits in a byte */
103 bfd_arch_rs6000,
104 bfd_mach_rs6k, /* POWER common architecture */
105 "rs6000",
106 "rs6000:6000",
107 3,
108 TRUE, /* the default */
109 rs6000_compatible,
110 bfd_default_scan,
111 bfd_arch_default_fill,
112 &arch_info_struct[0]
113 };
114