02881a7bf3
The DTRACE() macro tests both Trace::enabled and the specific flag. This change uses the same administrative interface for enabling/disabling tracing, but masks the SimpleFlags settings directly. This eliminates a load for every DTRACE() test, e.g. DPRINTF.
160 lines
4 KiB
C++
160 lines
4 KiB
C++
/*
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* Copyright (c) 2014 ARM Limited
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* All rights reserved
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*
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* Copyright (c) 2001-2006 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Nathan Binkert
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* Steve Reinhardt
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* Andrew Bardsley
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*/
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#include <cctype>
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#include <fstream>
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#include <iostream>
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#include <sstream>
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#include <string>
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#include "base/debug.hh"
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#include "base/misc.hh"
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#include "base/output.hh"
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#include "base/str.hh"
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#include "base/trace.hh"
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const std::string &name()
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{
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static const std::string default_name("global");
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return default_name;
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}
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namespace Trace
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{
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// This variable holds the output logger for debug information. Other
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// than setting up/redirecting this logger, do *NOT* reference this
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// directly
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Logger *debug_logger = NULL;
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Logger *
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getDebugLogger()
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{
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/* Set a default logger to cerr when no other logger is set */
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if (!debug_logger)
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debug_logger = new OstreamLogger(std::cerr);
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return debug_logger;
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}
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std::ostream &
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output()
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{
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return getDebugLogger()->getOstream();
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}
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void
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setDebugLogger(Logger *logger)
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{
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if (!logger)
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warn("Trying to set debug logger to NULL\n");
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else
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debug_logger = logger;
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}
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void
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enable()
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{
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Debug::SimpleFlag::enableAll();
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}
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void
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disable()
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{
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Debug::SimpleFlag::disableAll();
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}
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ObjectMatch ignore;
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void
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Logger::dump(Tick when, const std::string &name, const void *d, int len)
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{
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if (!name.empty() && ignore.match(name))
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return;
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const char *data = static_cast<const char *>(d);
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int c, i, j;
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for (i = 0; i < len; i += 16) {
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std::ostringstream line;
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ccprintf(line, "%08x ", i);
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c = len - i;
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if (c > 16) c = 16;
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for (j = 0; j < c; j++) {
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ccprintf(line, "%02x ", data[i + j] & 0xff);
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if ((j & 0xf) == 7 && j > 0)
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ccprintf(line, " ");
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}
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for (; j < 16; j++)
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ccprintf(line, " ");
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ccprintf(line, " ");
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for (j = 0; j < c; j++) {
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int ch = data[i + j] & 0x7f;
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ccprintf(line, "%c", (char)(isprint(ch) ? ch : ' '));
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}
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ccprintf(line, "\n");
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logMessage(when, name, line.str());
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if (c < 16)
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break;
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}
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}
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void
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OstreamLogger::logMessage(Tick when, const std::string &name,
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const std::string &message)
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{
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if (!name.empty() && ignore.match(name))
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return;
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if (when != MaxTick)
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ccprintf(stream, "%7d: ", when);
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if (!name.empty())
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stream << name << ": ";
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stream << message;
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stream.flush();
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}
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} // namespace Trace
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