1 /* Register names and numbers for TILE-Gx DWARF.
2 Copyright (C) 2012 Tilera Corporation
3 This file is part of elfutils.
4
5 This file is free software; you can redistribute it and/or modify
6 it under the terms of either
7
8 * the GNU Lesser General Public License as published by the Free
9 Software Foundation; either version 3 of the License, or (at
10 your option) any later version
11
12 or
13
14 * the GNU General Public License as published by the Free
15 Software Foundation; either version 2 of the License, or (at
16 your option) any later version
17
18 or both in parallel, as here.
19
20 elfutils is distributed in the hope that it will be useful, but
21 WITHOUT ANY WARRANTY; without even the implied warranty of
22 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
23 General Public License for more details.
24
25 You should have received copies of the GNU General Public License and
26 the GNU Lesser General Public License along with this program. If
27 not, see <http://www.gnu.org/licenses/>. */
28
29 #ifdef HAVE_CONFIG_H
30 # include <config.h>
31 #endif
32
33 #include <stdio.h>
34 #include <string.h>
35 #include <dwarf.h>
36
37 #define BACKEND tilegx_
38 #include "libebl_CPU.h"
39
40 ssize_t
tilegx_register_info(Ebl * ebl,int regno,char * name,size_t namelen,const char ** prefix,const char ** setname,int * bits,int * type)41 tilegx_register_info (Ebl *ebl __attribute__ ((unused)),
42 int regno, char *name, size_t namelen,
43 const char **prefix, const char **setname,
44 int *bits, int *type)
45 {
46 if (name == NULL)
47 return 65;
48
49 if (regno < 0 || regno > 64 || namelen < 5)
50 return -1;
51
52 *prefix = "";
53 *setname = "integer";
54 *bits = 64;
55
56 switch (regno)
57 {
58 case 0 ... 9:
59 *type = DW_ATE_signed;
60 name[0] = 'r';
61 name[1] = regno + '0';
62 namelen = 2;
63 break;
64
65 case 10 ... 52:
66 *type = DW_ATE_signed;
67 name[0] = 'r';
68 name[1] = regno / 10 + '0';
69 name[2] = regno % 10 + '0';
70 namelen = 3;
71 break;
72
73 case 53:
74 *type = DW_ATE_address;
75 return stpcpy (name, "tp") + 1 - name;
76
77 case 54:
78 *type = DW_ATE_address;
79 return stpcpy (name, "sp") + 1 - name;
80
81 case 55:
82 *type = DW_ATE_address;
83 return stpcpy (name, "lr") + 1 - name;
84
85 case 56:
86 *type = DW_ATE_unsigned;
87 return stpcpy (name, "sn") + 1 - name;
88
89 case 57:
90 *type = DW_ATE_unsigned;
91 return stpcpy (name, "idn0") + 1 - name;
92
93 case 58:
94 *type = DW_ATE_unsigned;
95 return stpcpy (name, "idn1") + 1 - name;
96
97 case 59:
98 *type = DW_ATE_unsigned;
99 return stpcpy (name, "udn0") + 1 - name;
100
101 case 60:
102 *type = DW_ATE_unsigned;
103 return stpcpy (name, "udn1") + 1 - name;
104
105 case 61:
106 *type = DW_ATE_unsigned;
107 return stpcpy (name, "udn2") + 1 - name;
108
109 case 62:
110 *type = DW_ATE_unsigned;
111 return stpcpy (name, "udn3") + 1 - name;
112
113 case 63:
114 *type = DW_ATE_unsigned;
115 return stpcpy (name, "zero") + 1 - name;
116
117 case 64:
118 *type = DW_ATE_address;
119 return stpcpy (name, "pc") + 1 - name;
120
121 /* Can't happen. */
122 default:
123 *setname = NULL;
124 return 0;
125 }
126
127 name[namelen++] = '\0';
128 return namelen;
129 }
130