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
|
/*
* Copyright The Mbed TLS Contributors
* SPDX-License-Identifier: Apache-2.0
*
* Licensed under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
* This file is part of mbed TLS (https://tls.mbed.org)
*/
/**
* \file mps_trace.h
*
* \brief Tracing module for MPS
*/
#ifndef MBEDTLS_MPS_MBEDTLS_MPS_TRACE_H
#define MBEDTLS_MPS_MBEDTLS_MPS_TRACE_H
#include "common.h"
#include "mps_common.h"
#include "mps_trace.h"
#if defined(MBEDTLS_PLATFORM_C)
#include "mbedtls/platform.h"
#else
#include <stdio.h>
#define mbedtls_printf printf
#define mbedtls_vsnprintf vsnprintf
#endif /* MBEDTLS_PLATFORM_C */
#if defined(MBEDTLS_MPS_ENABLE_TRACE)
/*
* Adapt this to enable/disable tracing output
* from the various layers of the MPS.
*/
#define MBEDTLS_MPS_TRACE_ENABLE_LAYER_1
#define MBEDTLS_MPS_TRACE_ENABLE_LAYER_2
#define MBEDTLS_MPS_TRACE_ENABLE_LAYER_3
#define MBEDTLS_MPS_TRACE_ENABLE_LAYER_4
#define MBEDTLS_MPS_TRACE_ENABLE_READER
#define MBEDTLS_MPS_TRACE_ENABLE_WRITER
/*
* To use the existing trace module, only change
* MBEDTLS_MPS_TRACE_ENABLE_XXX above, but don't modify the
* rest of this file.
*/
typedef enum
{
MBEDTLS_MPS_TRACE_TYPE_COMMENT,
MBEDTLS_MPS_TRACE_TYPE_CALL,
MBEDTLS_MPS_TRACE_TYPE_ERROR,
MBEDTLS_MPS_TRACE_TYPE_RETURN
} mbedtls_mps_trace_type;
#define MBEDTLS_MPS_TRACE_BIT_LAYER_1 1
#define MBEDTLS_MPS_TRACE_BIT_LAYER_2 2
#define MBEDTLS_MPS_TRACE_BIT_LAYER_3 3
#define MBEDTLS_MPS_TRACE_BIT_LAYER_4 4
#define MBEDTLS_MPS_TRACE_BIT_WRITER 5
#define MBEDTLS_MPS_TRACE_BIT_READER 6
#if defined(MBEDTLS_MPS_TRACE_ENABLE_LAYER_1)
#define MBEDTLS_MPS_TRACE_MASK_LAYER_1 (1u << MBEDTLS_MPS_TRACE_BIT_LAYER_1 )
#else
#define MBEDTLS_MPS_TRACE_MASK_LAYER_1 0
#endif
#if defined(MBEDTLS_MPS_TRACE_ENABLE_LAYER_2)
#define MBEDTLS_MPS_TRACE_MASK_LAYER_2 (1u << MBEDTLS_MPS_TRACE_BIT_LAYER_2 )
#else
#define MBEDTLS_MPS_TRACE_MASK_LAYER_2 0
#endif
#if defined(MBEDTLS_MPS_TRACE_ENABLE_LAYER_3)
#define MBEDTLS_MPS_TRACE_MASK_LAYER_3 (1u << MBEDTLS_MPS_TRACE_BIT_LAYER_3 )
#else
#define MBEDTLS_MPS_TRACE_MASK_LAYER_3 0
#endif
#if defined(MBEDTLS_MPS_TRACE_ENABLE_LAYER_4)
#define MBEDTLS_MPS_TRACE_MASK_LAYER_4 (1u << MBEDTLS_MPS_TRACE_BIT_LAYER_4 )
#else
#define MBEDTLS_MPS_TRACE_MASK_LAYER_4 0
#endif
#if defined(MBEDTLS_MPS_TRACE_ENABLE_READER)
#define MBEDTLS_MPS_TRACE_MASK_READER (1u << MBEDTLS_MPS_TRACE_BIT_READER )
#else
#define MBEDTLS_MPS_TRACE_MASK_READER 0
#endif
#if defined(MBEDTLS_MPS_TRACE_ENABLE_WRITER)
#define MBEDTLS_MPS_TRACE_MASK_WRITER (1u << MBEDTLS_MPS_TRACE_BIT_WRITER )
#else
#define MBEDTLS_MPS_TRACE_MASK_WRITER 0
#endif
#define MBEDTLS_MPS_TRACE_MASK ( MBEDTLS_MPS_TRACE_MASK_LAYER_1 | \
MBEDTLS_MPS_TRACE_MASK_LAYER_2 | \
MBEDTLS_MPS_TRACE_MASK_LAYER_3 | \
MBEDTLS_MPS_TRACE_MASK_LAYER_4 | \
MBEDTLS_MPS_TRACE_MASK_READER | \
MBEDTLS_MPS_TRACE_MASK_WRITER )
/* We have to avoid globals because E-ACSL chokes on them...
* Wrap everything in stub functions. */
int mbedtls_mps_trace_get_depth( void );
void mbedtls_mps_trace_inc_depth( void );
void mbedtls_mps_trace_dec_depth( void );
void mbedtls_mps_trace_color( int id );
void mbedtls_mps_trace_indent( int level, mbedtls_mps_trace_type ty );
void mbedtls_mps_trace_print_msg( int id, int line, const char *format, ... );
#define MBEDTLS_MPS_TRACE( type, ... ) \
do { \
if( ! ( MBEDTLS_MPS_TRACE_MASK & ( 1u << mbedtls_mps_trace_id ) ) ) \
break; \
mbedtls_mps_trace_indent( mbedtls_mps_trace_get_depth(), type ); \
mbedtls_mps_trace_color( mbedtls_mps_trace_id ); \
mbedtls_mps_trace_print_msg( mbedtls_mps_trace_id, __LINE__, __VA_ARGS__ ); \
mbedtls_mps_trace_color( 0 ); \
} while( 0 )
#define MBEDTLS_MPS_TRACE_INIT( ... ) \
do { \
if( ! ( MBEDTLS_MPS_TRACE_MASK & ( 1u << mbedtls_mps_trace_id ) ) ) \
break; \
MBEDTLS_MPS_TRACE( MBEDTLS_MPS_TRACE_TYPE_CALL, __VA_ARGS__ ); \
mbedtls_mps_trace_inc_depth(); \
} while( 0 )
#define MBEDTLS_MPS_TRACE_END( val ) \
do { \
if( ! ( MBEDTLS_MPS_TRACE_MASK & ( 1u << mbedtls_mps_trace_id ) ) ) \
break; \
MBEDTLS_MPS_TRACE( MBEDTLS_MPS_TRACE_TYPE_RETURN, "%d (-%#04x)", \
(int) (val), -((unsigned)(val)) ); \
mbedtls_mps_trace_dec_depth(); \
} while( 0 )
#define MBEDTLS_MPS_TRACE_RETURN( val ) \
do { \
/* Breaks tail recursion. */ \
int ret__ = val; \
MBEDTLS_MPS_TRACE_END( ret__ ); \
return( ret__ ); \
} while( 0 )
#else /* MBEDTLS_MPS_TRACE */
#define MBEDTLS_MPS_TRACE( type, ... ) do { } while( 0 )
#define MBEDTLS_MPS_TRACE_INIT( ... ) do { } while( 0 )
#define MBEDTLS_MPS_TRACE_END do { } while( 0 )
#define MBEDTLS_MPS_TRACE_RETURN( val ) return( val );
#endif /* MBEDTLS_MPS_TRACE */
#endif /* MBEDTLS_MPS_MBEDTLS_MPS_TRACE_H */
|