1 /* Register names and numbers for SH DWARF.
2 Copyright (C) 2010 Red Hat, Inc.
3 This file is part of Red Hat elfutils.
4 Contributed by Matt Fleming <matt@console-pimps.org>.
5
6 Red Hat elfutils is free software; you can redistribute it and/or modify
7 it under the terms of the GNU General Public License as published by the
8 Free Software Foundation; version 2 of the License.
9
10 Red Hat elfutils is distributed in the hope that it will be useful, but
11 WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 General Public License for more details.
14
15 You should have received a copy of the GNU General Public License along
16 with Red Hat elfutils; if not, write to the Free Software Foundation,
17 Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
18
19 Red Hat elfutils is an included package of the Open Invention Network.
20 An included package of the Open Invention Network is a package for which
21 Open Invention Network licensees cross-license their patents. No patent
22 license is granted, either expressly or impliedly, by designation as an
23 included package. Should you wish to participate in the Open Invention
24 Network licensing program, please visit www.openinventionnetwork.com
25 <http://www.openinventionnetwork.com>. */
26
27 #ifdef HAVE_CONFIG_H
28 # include <config.h>
29 #endif
30
31 #include <assert.h>
32 #include <dwarf.h>
33 #include <string.h>
34
35 #define BACKEND sh_
36 #include "libebl_CPU.h"
37
38 ssize_t
sh_register_info(Ebl * ebl,int regno,char * name,size_t namelen,const char ** prefix,const char ** setname,int * bits,int * type)39 sh_register_info (Ebl *ebl __attribute__ ((unused)),
40 int regno, char *name, size_t namelen,
41 const char **prefix, const char **setname,
42 int *bits, int *type)
43 {
44 if (name == NULL)
45 return 104;
46
47 if (regno < 0 || regno > 103 || namelen < 6)
48 return -1;
49
50 *prefix = NULL;
51 *bits = 32;
52 *type = DW_ATE_signed;
53
54 switch (regno)
55 {
56 case 0 ... 9:
57 *setname = "integer";
58 name[0] = 'r';
59 name[1] = regno + '0';
60 namelen = 2;
61 break;
62
63 case 10 ... 15:
64 *setname = "integer";
65 name[0] = 'r';
66 name[1] = '1';
67 name[2] = regno - 10 + '0';
68 namelen = 3;
69 break;
70
71 case 16:
72 *setname = "system";
73 *type = DW_ATE_address;
74 name[0] = 'p';
75 name[1] = 'c';
76 namelen = 2;
77 break;
78
79 case 17:
80 *setname = "system";
81 *type = DW_ATE_address;
82 name[0] = 'p';
83 name[1] = 'r';
84 namelen = 2;
85 break;
86
87 case 18:
88 *setname = "control";
89 *type = DW_ATE_unsigned;
90 name[0] = 's';
91 name[1] = 'r';
92 namelen = 2;
93 break;
94
95 case 19:
96 *setname = "control";
97 *type = DW_ATE_unsigned;
98 name[0] = 'g';
99 name[1] = 'b';
100 name[2] = 'r';
101 namelen = 3;
102 break;
103
104 case 20:
105 *setname = "system";
106 name[0] = 'm';
107 name[1] = 'a';
108 name[2] = 'c';
109 name[3] = 'h';
110 namelen = 4;
111 break;
112
113 case 21:
114 *setname = "system";
115 name[0] = 'm';
116 name[1] = 'a';
117 name[2] = 'c';
118 name[3] = 'l';
119 namelen = 4;
120
121 break;
122
123 case 23:
124 *setname = "system";
125 *type = DW_ATE_unsigned;
126 name[0] = 'f';
127 name[1] = 'p';
128 name[2] = 'u';
129 name[3] = 'l';
130 namelen = 4;
131 break;
132
133 case 24:
134 *setname = "system";
135 *type = DW_ATE_unsigned;
136 name[0] = 'f';
137 name[1] = 'p';
138 name[2] = 's';
139 name[3] = 'c';
140 name[4] = 'r';
141 namelen = 5;
142 break;
143
144 case 25 ... 34:
145 *setname = "fpu";
146 *type = DW_ATE_float;
147 name[0] = 'f';
148 name[1] = 'r';
149 name[2] = regno - 25 + '0';
150 namelen = 3;
151 break;
152
153 case 35 ... 40:
154 *setname = "fpu";
155 *type = DW_ATE_float;
156 name[0] = 'f';
157 name[1] = 'r';
158 name[2] = '1';
159 name[3] = regno - 35 + '0';
160 namelen = 4;
161 break;
162
163 case 87 ... 96:
164 *type = DW_ATE_float;
165 *setname = "fpu";
166 name[0] = 'x';
167 name[1] = 'f';
168 name[2] = regno - 87 + '0';
169 namelen = 3;
170 break;
171
172 case 97 ... 103:
173 *type = DW_ATE_float;
174 *setname = "fpu";
175 name[0] = 'x';
176 name[1] = 'f';
177 name[2] = '1';
178 name[3] = regno - 97 + '0';
179 namelen = 4;
180 break;
181
182 default:
183 return 0;
184 }
185
186 name[namelen++] = '\0';
187 return namelen;
188 }
189