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OMRPersistentInfo.hpp
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OMRPersistentInfo.hpp
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/*******************************************************************************
* Copyright (c) 2000, 2021 IBM Corp. and others
*
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which accompanies this
* distribution and is available at http://eclipse.org/legal/epl-2.0
* or the Apache License, Version 2.0 which accompanies this distribution
* and is available at https://www.apache.org/licenses/LICENSE-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License, v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception [1] and GNU General Public
* License, version 2 with the OpenJDK Assembly Exception [2].
*
* [1] https://www.gnu.org/software/classpath/license.html
* [2] http://openjdk.java.net/legal/assembly-exception.html
*
* SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 OR GPL-2.0 WITH Classpath-exception-2.0 OR LicenseRef-GPL-2.0 WITH Assembly-exception
*******************************************************************************/
#ifndef OMR_PERSISTENTINFO_INCL
#define OMR_PERSISTENTINFO_INCL
#ifndef OMR_PERSISTENTINFO_CONNECTOR
#define OMR_PERSISTENTINFO_CONNECTOR
namespace OMR { class PersistentInfo; }
namespace OMR { typedef PersistentInfo PersistentInfoConnector; }
#endif
#include <stddef.h>
#include <stdint.h>
#include "codegen/TableOfConstants.hpp"
class TR_AddressSet;
class TR_FrontEnd;
class TR_PersistentMemory;
class TR_PseudoRandomNumbersListElement;
namespace OMR { class Options; }
namespace TR { class PersistentInfo; }
namespace TR { class DebugCounterGroup; }
namespace TR { class Monitor; }
#define PSEUDO_RANDOM_NUMBERS_SIZE 1000
class TR_PseudoRandomNumbersListElement
{
public:
TR_PseudoRandomNumbersListElement()
:_next(0), _curIndex(0)
{}
int32_t _pseudoRandomNumbers[PSEUDO_RANDOM_NUMBERS_SIZE];
int32_t _curIndex;
TR_PseudoRandomNumbersListElement *_next;
};
namespace OMR
{
class PersistentInfo
{
public:
friend class ::OMR::Options;
PersistentInfo(TR_PersistentMemory *pm) :
_persistentMemory(pm),
_lastDebugCounterResetSeconds(0),
_pseudoRandomNumbersListHead(NULL),
_curPseudoRandomNumbersListElem(NULL),
_curIndex(0),
_dynamicCounters(NULL),
_staticCounters(NULL),
_persistentTOC(NULL)
{}
TR::PersistentInfo * self();
TR::DebugCounterGroup *getStaticCounters() { if (!_staticCounters) createCounters(_persistentMemory); return _staticCounters; }
TR::DebugCounterGroup *getDynamicCounters(){ if (!_dynamicCounters) createCounters(_persistentMemory); return _dynamicCounters; }
int64_t getLastDebugCounterResetSeconds() const { return _lastDebugCounterResetSeconds; }
void setLastDebugCounterResetSeconds(int64_t newValue) { _lastDebugCounterResetSeconds = newValue; }
void createCounters(TR_PersistentMemory *mem);
// For CFG.
int32_t getCurIndex() { return _curIndex; }
TR_PseudoRandomNumbersListElement *getCurPseudoRandomNumbersListElem() { return _curPseudoRandomNumbersListElem; }
TR_PseudoRandomNumbersListElement *getPseudoRandomNumbersList() { return _pseudoRandomNumbersListHead; }
TR_PseudoRandomNumbersListElement **getPseudoRandomNumbersListPtr() { return &_pseudoRandomNumbersListHead; }
TR_PseudoRandomNumbersListElement *advanceCurPseudoRandomNumbersListElem() { return NULL; }
int32_t getNextPseudoRandomNumber(int32_t i)
{
advanceCurPseudoRandomNumbersListElem();
if (_curPseudoRandomNumbersListElem)
return _curPseudoRandomNumbersListElem->_pseudoRandomNumbers[_curIndex];
else
return i;
}
TableOfConstants *getPersistentTOC() {return _persistentTOC;}
void setPersistentTOC(TableOfConstants *toc) {_persistentTOC = toc;}
bool isObsoleteClass(void *v, TR_FrontEnd *fe) { return false; } // Has class been unloaded, replaced (HCR), etc.
bool isRuntimeInstrumentationEnabled() { return false; }
protected:
TR_PersistentMemory *_persistentMemory;
TR_PseudoRandomNumbersListElement *_pseudoRandomNumbersListHead;
TR_PseudoRandomNumbersListElement *_curPseudoRandomNumbersListElem;
int32_t _curIndex;
private:
TR::DebugCounterGroup *_staticCounters;
TR::DebugCounterGroup *_dynamicCounters;
int64_t _lastDebugCounterResetSeconds;
TableOfConstants *_persistentTOC;
};
}
#endif