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
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
|
/*
* Copyright (c) 2014 ARM Limited
* All rights reserved
*
* Copyright (c) 2001-2006 The Regents of The University of Michigan
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are
* met: redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer;
* redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution;
* neither the name of the copyright holders nor the names of its
* contributors may be used to endorse or promote products derived from
* this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* Authors: Nathan Binkert
* Steve Reinhardt
* Andrew Bardsley
*/
#ifndef __BASE_TRACE_HH__
#define __BASE_TRACE_HH__
#include <string>
#include "base/cprintf.hh"
#include "base/debug.hh"
#include "base/match.hh"
#include "base/types.hh"
#include "sim/core.hh"
namespace Trace {
/** Debug logging base class. Handles formatting and outputting
* time/name/message messages */
class Logger
{
protected:
/** Name match for objects to ignore */
ObjectMatch ignore;
public:
/** Log a single message */
template <typename ...Args>
void dprintf(Tick when, const std::string &name, const char *fmt,
const Args &...args)
{
if (!name.empty() && ignore.match(name))
return;
std::ostringstream line;
ccprintf(line, fmt, args...);
logMessage(when, name, line.str());
}
/** Dump a block of data of length len */
virtual void dump(Tick when, const std::string &name,
const void *d, int len);
/** Log formatted message */
virtual void logMessage(Tick when, const std::string &name,
const std::string &message) = 0;
/** Return an ostream that can be used to send messages to
* the 'same place' as formatted logMessage messages. This
* can be implemented to use a logger's underlying ostream,
* to provide an ostream which formats the output in some
* way, or just set to one of std::cout, std::cerr */
virtual std::ostream &getOstream() = 0;
/** Set objects to ignore */
void setIgnore(ObjectMatch &ignore_) { ignore = ignore_; }
/** Add objects to ignore */
void addIgnore(const ObjectMatch &ignore_) { ignore.add(ignore_); }
virtual ~Logger() { }
};
/** Logging wrapper for ostreams with the format:
* <when>: <name>: <message-body> */
class OstreamLogger : public Logger
{
protected:
std::ostream &stream;
public:
OstreamLogger(std::ostream &stream_) : stream(stream_)
{ }
void logMessage(Tick when, const std::string &name,
const std::string &message) override;
std::ostream &getOstream() override { return stream; }
};
/** Get the current global debug logger. This takes ownership of the given
* logger which should be allocated using 'new' */
Logger *getDebugLogger();
/** Get the ostream from the current global logger */
std::ostream &output();
/** Delete the current global logger and assign a new one */
void setDebugLogger(Logger *logger);
/** Enable/disable debug logging */
void enable();
void disable();
} // namespace Trace
// This silly little class allows us to wrap a string in a functor
// object so that we can give a name() that DPRINTF will like
struct StringWrap
{
std::string str;
StringWrap(const std::string &s) : str(s) {}
const std::string &operator()() const { return str; }
};
// Return the global context name "global". This function gets called when
// the DPRINTF macros are used in a context without a visible name() function
const std::string &name();
// Interface for things with names. (cf. SimObject but without other
// functionality). This is useful when using DPRINTF
class Named
{
protected:
const std::string _name;
public:
Named(const std::string &name_) : _name(name_) { }
public:
const std::string &name() const { return _name; }
};
//
// DPRINTF is a debugging trace facility that allows one to
// selectively enable tracing statements. To use DPRINTF, there must
// be a function or functor called name() that returns a const
// std::string & in the current scope.
//
// If you desire that the automatic printing not occur, use DPRINTFR
// (R for raw)
//
#if TRACING_ON
#define DTRACE(x) (Debug::x)
#define DDUMP(x, data, count) do { \
using namespace Debug; \
if (DTRACE(x)) \
Trace::getDebugLogger()->dump(curTick(), name(), data, count); \
} while (0)
#define DPRINTF(x, ...) do { \
using namespace Debug; \
if (DTRACE(x)) { \
Trace::getDebugLogger()->dprintf(curTick(), name(), \
__VA_ARGS__); \
} \
} while (0)
#define DPRINTFS(x, s, ...) do { \
using namespace Debug; \
if (DTRACE(x)) { \
Trace::getDebugLogger()->dprintf(curTick(), s->name(), \
__VA_ARGS__); \
} \
} while (0)
#define DPRINTFR(x, ...) do { \
using namespace Debug; \
if (DTRACE(x)) { \
Trace::getDebugLogger()->dprintf((Tick)-1, std::string(), \
__VA_ARGS__); \
} \
} while (0)
#define DDUMPN(data, count) do { \
Trace::getDebugLogger()->dump(curTick(), name(), data, count); \
} while (0)
#define DPRINTFN(...) do { \
Trace::getDebugLogger()->dprintf(curTick(), name(), __VA_ARGS__); \
} while (0)
#define DPRINTFNR(...) do { \
Trace::getDebugLogger()->dprintf((Tick)-1, std::string(), __VA_ARGS__); \
} while (0)
#else // !TRACING_ON
#define DTRACE(x) (false)
#define DDUMP(x, data, count) do {} while (0)
#define DPRINTF(x, ...) do {} while (0)
#define DPRINTFS(x, ...) do {} while (0)
#define DPRINTFR(...) do {} while (0)
#define DDUMPN(data, count) do {} while (0)
#define DPRINTFN(...) do {} while (0)
#define DPRINTFNR(...) do {} while (0)
#endif // TRACING_ON
#endif // __BASE_TRACE_HH__
|