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