logging.cc revision 12375 
1/*
2 * Copyright (c) 2014, 2017 ARM Limited
3 * All rights reserved
4 *
5 * The license below extends only to copyright in the software and shall
6 * not be construed as granting a license to any other intellectual
7 * property including but not limited to intellectual property relating
8 * to a hardware implementation of the functionality of the software
9 * licensed hereunder.  You may use the software subject to the license
10 * terms below provided that you ensure that this notice is replicated
11 * unmodified and in its entirety in all distributions of the software,
12 * modified or unmodified, in source code or in binary form.
13 *
14 * Copyright (c) 2002-2005 The Regents of The University of Michigan
15 * All rights reserved.
16 *
17 * Redistribution and use in source and binary forms, with or without
18 * modification, are permitted provided that the following conditions are
19 * met: redistributions of source code must retain the above copyright
20 * notice, this list of conditions and the following disclaimer;
21 * redistributions in binary form must reproduce the above copyright
22 * notice, this list of conditions and the following disclaimer in the
23 * documentation and/or other materials provided with the distribution;
24 * neither the name of the copyright holders nor the names of its
25 * contributors may be used to endorse or promote products derived from
26 * this software without specific prior written permission.
27 *
28 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
29 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
30 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
31 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
32 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
33 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
34 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
35 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
36 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
37 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
38 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
39 *
40 * Authors: Nathan Binkert
41 *          Andreas Sandberg
42 */
43
44#include "base/logging.hh"
45
46#include <sstream>
47
48#include "base/hostinfo.hh"
49
50namespace {
51
52class NormalLogger : public Logger
53{
54  public:
55    using Logger::Logger;
56
57  protected:
58    void log(const Loc &loc, std::string s) override { std::cerr << s; }
59};
60
61class ExitLogger : public NormalLogger
62{
63  public:
64    using NormalLogger::NormalLogger;
65
66  protected:
67    void
68    log(const Loc &loc, std::string s) override
69    {
70        std::stringstream ss;
71        ccprintf(ss, "Memory Usage: %ld KBytes\n", memUsage());
72        NormalLogger::log(loc, s + ss.str());
73    }
74};
75
76class FatalLogger : public ExitLogger
77{
78  public:
79    using ExitLogger::ExitLogger;
80
81  protected:
82    void exit() override { ::exit(1); }
83};
84
85ExitLogger panicLogger("panic: ");
86FatalLogger fatalLogger("fatal: ");
87NormalLogger warnLogger("warn: ");
88NormalLogger infoLogger("info: ");
89NormalLogger hackLogger("hack: ");
90
91} // anonymous namespace
92
93Logger &Logger::getPanic() { return panicLogger; }
94Logger &Logger::getFatal() { return fatalLogger; }
95Logger &Logger::getWarn() { return warnLogger; }
96Logger &Logger::getInfo() { return infoLogger; }
97Logger &Logger::getHack() { return hackLogger; }
98