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/*
* Copyright (c) 2003-2005 The Regents of The University of Michigan
* Copyright (c) 2010 The Hewlett-Packard Development Company
* 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
*/
#ifndef __BASE_DEBUG_HH__
#define __BASE_DEBUG_HH__
#include <map>
#include <string>
#include <vector>
namespace Debug {
void breakpoint();
class Flag
{
protected:
const char *_name;
const char *_desc;
public:
Flag(const char *name, const char *desc);
virtual ~Flag();
std::string name() const { return _name; }
std::string desc() const { return _desc; }
virtual std::vector<Flag *> kids() { return std::vector<Flag*>(); }
virtual void enable() = 0;
virtual void disable() = 0;
virtual void sync() {}
};
class SimpleFlag : public Flag
{
static bool _active; // whether debug tracings are enabled
protected:
bool _tracing; // tracing is enabled and flag is on
bool _status; // flag status
public:
SimpleFlag(const char *name, const char *desc)
: Flag(name, desc), _status(false)
{ }
bool status() const { return _tracing; }
operator bool() const { return _tracing; }
bool operator!() const { return !_tracing; }
void enable() { _status = true; sync(); }
void disable() { _status = false; sync(); }
void sync() { _tracing = _active && _status; }
static void enableAll();
static void disableAll();
};
class CompoundFlag : public Flag
{
protected:
std::vector<Flag *> _kids;
void
addFlag(Flag *f)
{
if (f != nullptr)
_kids.push_back(f);
}
public:
CompoundFlag(const char *name, const char *desc,
Flag *f00 = nullptr, Flag *f01 = nullptr,
Flag *f02 = nullptr, Flag *f03 = nullptr,
Flag *f04 = nullptr, Flag *f05 = nullptr,
Flag *f06 = nullptr, Flag *f07 = nullptr,
Flag *f08 = nullptr, Flag *f09 = nullptr,
Flag *f10 = nullptr, Flag *f11 = nullptr,
Flag *f12 = nullptr, Flag *f13 = nullptr,
Flag *f14 = nullptr, Flag *f15 = nullptr,
Flag *f16 = nullptr, Flag *f17 = nullptr,
Flag *f18 = nullptr, Flag *f19 = nullptr)
: Flag(name, desc)
{
addFlag(f00); addFlag(f01); addFlag(f02); addFlag(f03); addFlag(f04);
addFlag(f05); addFlag(f06); addFlag(f07); addFlag(f08); addFlag(f09);
addFlag(f10); addFlag(f11); addFlag(f12); addFlag(f13); addFlag(f14);
addFlag(f15); addFlag(f16); addFlag(f17); addFlag(f18); addFlag(f19);
}
std::vector<Flag *> kids() { return _kids; }
void enable();
void disable();
};
typedef std::map<std::string, Flag *> FlagsMap;
FlagsMap &allFlags();
Flag *findFlag(const std::string &name);
extern Flag *const All;
bool changeFlag(const char *s, bool value);
} // namespace Debug
void setDebugFlag(const char *string);
void clearDebugFlag(const char *string);
void dumpDebugFlags();
#endif // __BASE_DEBUG_HH__
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