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
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
|
/***************************************************************************
* Copyright (C) 2005 by Dominic Rath *
* Dominic.Rath@gmx.de *
* *
* Copyright (C) 2007,2008 Øyvind Harboe *
* oyvind.harboe@zylin.com *
* *
* This program 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; either version 2 of the License, or *
* (at your option) any later version. *
* *
* This program 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 this program. If not, see <http://www.gnu.org/licenses/>. *
***************************************************************************/
#ifndef OPENOCD_TARGET_REGISTER_H
#define OPENOCD_TARGET_REGISTER_H
#include "helper/replacements.h"
#include "helper/types.h"
struct target;
enum reg_type {
REG_TYPE_BOOL,
REG_TYPE_INT,
REG_TYPE_INT8,
REG_TYPE_INT16,
REG_TYPE_INT32,
REG_TYPE_INT64,
REG_TYPE_INT128,
REG_TYPE_UINT,
REG_TYPE_UINT8,
REG_TYPE_UINT16,
REG_TYPE_UINT32,
REG_TYPE_UINT64,
REG_TYPE_UINT128,
REG_TYPE_CODE_PTR,
REG_TYPE_DATA_PTR,
REG_TYPE_FLOAT,
REG_TYPE_IEEE_SINGLE,
REG_TYPE_IEEE_DOUBLE,
REG_TYPE_ARCH_DEFINED,
};
struct reg_feature {
const char *name;
};
struct reg_data_type_vector {
struct reg_data_type *type;
uint32_t count;
};
struct reg_data_type_union_field {
const char *name;
struct reg_data_type *type;
struct reg_data_type_union_field *next;
};
struct reg_data_type_union {
struct reg_data_type_union_field *fields;
};
struct reg_data_type_bitfield {
uint32_t start;
uint32_t end;
enum reg_type type;
};
struct reg_data_type_struct_field {
const char *name;
bool use_bitfields;
union {
struct reg_data_type_bitfield *bitfield;
struct reg_data_type *type;
};
struct reg_data_type_struct_field *next;
};
struct reg_data_type_struct {
uint32_t size;
struct reg_data_type_struct_field *fields;
};
struct reg_data_type_flags_field {
const char *name;
struct reg_data_type_bitfield *bitfield;
struct reg_data_type_flags_field *next;
};
struct reg_data_type_flags {
uint32_t size;
struct reg_data_type_flags_field *fields;
};
enum reg_data_type_class {
REG_TYPE_CLASS_VECTOR,
REG_TYPE_CLASS_UNION,
REG_TYPE_CLASS_STRUCT,
REG_TYPE_CLASS_FLAGS,
};
struct reg_data_type {
enum reg_type type;
const char *id;
enum reg_data_type_class type_class;
union {
struct reg_data_type_vector *reg_type_vector;
struct reg_data_type_union *reg_type_union;
struct reg_data_type_struct *reg_type_struct;
struct reg_data_type_flags *reg_type_flags;
};
};
struct reg {
/* Canonical name of the register. */
const char *name;
/* Number that gdb uses to access this register. */
uint32_t number;
/* TODO. This should probably be const. */
struct reg_feature *feature;
/* TODO: When true, the caller will save this register before running any algorithm. */
bool caller_save;
/* Pointer to place where the value is stored, in the format understood by
* the binarybuffer.h functions. */
uint8_t *value;
/* The stored value needs to be written to the target. */
bool dirty;
/* When true, value is valid. */
bool valid;
/* When false, the register doesn't actually exist in the target. */
bool exist;
/* Hide the register from gdb and omit it in 'reg' cmd output */
bool hidden;
/* Size of the register in bits. */
uint32_t size;
/* Used for generating XML description of registers. Can be set to NULL for
* targets that don't use that. */
struct reg_data_type *reg_data_type;
/* Used for generating XML description of registers. Can be set to NULL for
* targets that don't use that. */
const char *group;
/* Pointer to architecture-specific info for this register. */
void *arch_info;
const struct reg_arch_type *type;
};
struct reg_cache {
const char *name;
struct reg_cache *next;
struct reg *reg_list;
unsigned num_regs;
};
struct reg_arch_type {
int (*get)(struct reg *reg);
int (*set)(struct reg *reg, uint8_t *buf);
};
struct reg *register_get_by_number(struct reg_cache *first,
uint32_t reg_num, bool search_all);
struct reg *register_get_by_name(struct reg_cache *first,
const char *name, bool search_all);
struct reg_cache **register_get_last_cache_p(struct reg_cache **first);
void register_unlink_cache(struct reg_cache **cache_p, const struct reg_cache *cache);
void register_cache_invalidate(struct reg_cache *cache);
void register_init_dummy(struct reg *reg);
#endif /* OPENOCD_TARGET_REGISTER_H */
|
