1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
|
/* Register names and numbers for i386 DWARF.
Copyright (C) 2005, 2006 Red Hat, Inc.
This file is part of Red Hat elfutils.
Red Hat elfutils is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by the
Free Software Foundation; version 2 of the License.
Red Hat elfutils is distributed in the hope that it will be useful, but
WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
General Public License for more details.
You should have received a copy of the GNU General Public License along
with Red Hat elfutils; if not, write to the Free Software Foundation,
Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301 USA.
Red Hat elfutils is an included package of the Open Invention Network.
An included package of the Open Invention Network is a package for which
Open Invention Network licensees cross-license their patents. No patent
license is granted, either expressly or impliedly, by designation as an
included package. Should you wish to participate in the Open Invention
Network licensing program, please visit www.openinventionnetwork.com
<http://www.openinventionnetwork.com>. */
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <string.h>
#include <dwarf.h>
#define BACKEND i386_
#include "libebl_CPU.h"
ssize_t
i386_register_info (Ebl *ebl __attribute__ ((unused)),
int regno, char *name, size_t namelen,
const char **prefix, const char **setname,
int *bits, int *type)
{
if (name == NULL)
return 46;
if (regno < 0 || regno > 45 || namelen < 6)
return -1;
*prefix = "%";
*bits = 32;
*type = DW_ATE_unsigned;
if (regno < 11)
{
*setname = "integer";
if (regno < 9)
*type = DW_ATE_signed;
}
else if (regno < 19)
{
*setname = "x87";
*type = DW_ATE_float;
*bits = 80;
}
else if (regno < 29)
{
*setname = "SSE";
*bits = 128;
}
else if (regno < 37)
{
*setname = "MMX";
*bits = 64;
}
else if (regno < 40)
*setname = "FPU-control";
else
{
*setname = "segment";
*bits = 16;
}
switch (regno)
{
static const char baseregs[][2] =
{
"ax", "cx", "dx", "bx", "sp", "bp", "si", "di", "ip"
};
case 4:
case 5:
case 8:
*type = DW_ATE_address;
case 0 ... 3:
case 6 ... 7:
name[0] = 'e';
name[1] = baseregs[regno][0];
name[2] = baseregs[regno][1];
namelen = 3;
break;
case 9:
return stpcpy (name, "eflags") + 1 - name;
case 10:
return stpcpy (name, "trapno") + 1 - name;
case 11 ... 18:
name[0] = 's';
name[1] = 't';
name[2] = regno - 11 + '0';
namelen = 3;
break;
case 21 ... 28:
name[0] = 'x';
name[1] = 'm';
name[2] = 'm';
name[3] = regno - 21 + '0';
namelen = 4;
break;
case 29 ... 36:
name[0] = 'm';
name[1] = 'm';
name[2] = regno - 29 + '0';
namelen = 3;
break;
case 37:
return stpcpy (name, "fctrl") + 1 - name;
case 38:
return stpcpy (name, "fstat") + 1 - name;
case 39:
return stpcpy (name, "mxcsr") + 1 - name;
case 40 ... 45:
name[0] = "ecsdfg"[regno - 40];
name[1] = 's';
namelen = 2;
break;
default:
*setname = NULL;
return 0;
}
name[namelen++] = '\0';
return namelen;
}
|
