/usr/include/ctpp2/CTPP2VM.hpp is in libctpp2-dev 2.8.3-15.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* Copyright (c) 2004 - 2011 CTPP Team
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. 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.
* 4. Neither the name of the CTPP Team 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 REGENTS 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 REGENTS 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.
*
* CTPP2VM.hpp
*
* $CTPP$
*/
#ifndef _CTPP2_VM_HPP__
#define _CTPP2_VM_HPP__ 1
/**
@file CTPP2VM.hpp
@brief Virtual Machine
*/
#include "CTPP2VMArgStack.hpp"
#include "CTPP2VMCodeStack.hpp"
namespace CTPP // C++ Template Engine
{
// FWD
class OutputCollector;
class SyscallFactory;
class SyscallHandler;
struct VMMemoryCore;
class Logger;
/**
@class VM CTPP2VM.hpp <CTPP2VM.hpp>
@brief Virtual Machine implementation
*/
class CTPP2DECL VM
{
public:
/**
@brief Constructor
@param oISyscallFactory - factory with system calls
@param iIMaxArgStackSize - max. size of arguments stack
@param iIMaxCodeStackSize - max. size of code stack
@param iIMaxSteps - max. number of executed steps
@param iIDebugLevel - debugging level
*/
VM(SyscallFactory * pSyscallFactory,
const UINT_32 iIMaxArgStackSize = 4096,
const UINT_32 iIMaxCodeStackSize = 4096,
const UINT_32 iIMaxSteps = 10240,
const UINT_32 iIDebugLevel = 0);
/**
@brief Initialize virtual machine
*/
INT_32 Init(const VMMemoryCore * pMemoryCore,
OutputCollector * pOutputCollector,
Logger * pLogger);
/**
@brief Run program
@param oMemoryCore - ready-to-run core of program
@param iIP - instruction pointer
@param oCDT - initial data
@return stack depth
*/
INT_32 Run(const VMMemoryCore * pMemoryCore,
OutputCollector * pOutputCollector,
UINT_32 & iIP,
CDT & oCDT,
Logger * pLogger);
/**
@brief Reset virtual machine state
*/
INT_32 Reset();
/**
@brief A destructor
*/
~VM() throw();
private:
/** System calls factory */
SyscallFactory * pSyscallFactory;
/** Maximal arguments stack size */
const UINT_32 iMaxArgStackSize;
/** Maximal code stack size */
const UINT_32 iMaxCodeStackSize;
/** Maximum program execution
steps */
const UINT_32 iMaxSteps;
/** Debug level */
const UINT_32 iDebugLevel;
/** Number of system calls */
UINT_32 iMaxCalls;
/** Number of system calls */
UINT_32 iMaxUsedCalls;
/** System calls translation map */
SyscallHandler ** aCallTranslationMap;
/** Stack of arguments */
VMArgStack oVMArgStack;
/** Stack of code return points */
VMCodeStack oVMCodeStack;
/** Virtual machine registers */
CDT oRegs[8];
/** Virtual flags */
UINT_32 iFlags;
void CheckStackOnlyRegs(const UINT_32 iSrcReg, const UINT_32 iDstReg, const VMMemoryCore * pMemoryCore, const UINT_32 iIP);
};
} // namespace CTPP
#endif // _CTPP2_VM_HPP__
// End.
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