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/*
* Copyright (c) 2014, 2019 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
*/
#include "base/trace.hh"
#include <cctype>
#include <fstream>
#include <iostream>
#include <sstream>
#include <string>
#include "base/atomicio.hh"
#include "base/debug.hh"
#include "base/logging.hh"
#include "base/output.hh"
#include "base/str.hh"
#include "debug/FmtFlag.hh"
#include "debug/FmtStackTrace.hh"
#include "debug/FmtTicksOff.hh"
#include "sim/backtrace.hh"
const std::string &name()
{
static const std::string default_name("global");
return default_name;
}
namespace Trace
{
// This variable holds the output logger for debug information. Other
// than setting up/redirecting this logger, do *NOT* reference this
// directly
Logger *debug_logger = NULL;
Logger *
getDebugLogger()
{
/* Set a default logger to cerr when no other logger is set */
if (!debug_logger)
debug_logger = new OstreamLogger(std::cerr);
return debug_logger;
}
std::ostream &
output()
{
return getDebugLogger()->getOstream();
}
void
setDebugLogger(Logger *logger)
{
if (!logger)
warn("Trying to set debug logger to NULL\n");
else
debug_logger = logger;
}
void
enable()
{
Debug::SimpleFlag::enableAll();
}
void
disable()
{
Debug::SimpleFlag::disableAll();
}
ObjectMatch ignore;
void
Logger::dump(Tick when, const std::string &name,
const void *d, int len, const std::string &flag)
{
if (!name.empty() && ignore.match(name))
return;
const char *data = static_cast<const char *>(d);
int c, i, j;
for (i = 0; i < len; i += 16) {
std::ostringstream line;
ccprintf(line, "%08x ", i);
c = len - i;
if (c > 16) c = 16;
for (j = 0; j < c; j++) {
ccprintf(line, "%02x ", data[i + j] & 0xff);
if ((j & 0xf) == 7 && j > 0)
ccprintf(line, " ");
}
for (; j < 16; j++)
ccprintf(line, " ");
ccprintf(line, " ");
for (j = 0; j < c; j++) {
int ch = data[i + j] & 0x7f;
ccprintf(line, "%c", (char)(isprint(ch) ? ch : ' '));
}
ccprintf(line, "\n");
logMessage(when, name, flag, line.str());
if (c < 16)
break;
}
}
void
OstreamLogger::logMessage(Tick when, const std::string &name,
const std::string &flag, const std::string &message)
{
if (!name.empty() && ignore.match(name))
return;
if (!DTRACE(FmtTicksOff) && (when != MaxTick))
ccprintf(stream, "%7d: ", when);
if (DTRACE(FmtFlag) && !flag.empty())
stream << flag << ": ";
if (!name.empty())
stream << name << ": ";
stream << message;
stream.flush();
if (DTRACE(FmtStackTrace)) {
print_backtrace();
STATIC_ERR("\n");
}
}
} // namespace Trace
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