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/*
* Copyright (c) 2006 The Regents of The University of Michigan
* 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: Gabe Black
*/
#ifndef REGSTATE_I386_HH
#define REGSTATE_I386_HH
#include <linux/user.h>
#include <sys/types.h>
#include <sys/ptrace.h>
#include <cassert>
#include <string>
#include "base/tracechild.hh"
class I386TraceChild : public TraceChild
{
public:
enum RegNum
{
//GPRs
EAX, EBX, ECX, EDX,
//Index registers
ESI, EDI,
//Base pointer and stack pointer
EBP, ESP,
//Segmentation registers
CS, DS, ES, FS, GS, SS,
//PC
EIP,
numregs
};
private:
int64_t getRegs(user_regs_struct & myregs, int num);
user_regs_struct regs;
user_regs_struct oldregs;
bool regDiffSinceUpdate[numregs];
protected:
bool update(int pid);
public:
I386TraceChild();
int64_t getRegVal(int num);
int64_t getOldRegVal(int num);
uint64_t getPC() {return getRegVal(EIP);}
uint64_t getSP() {return getRegVal(ESP);}
std::ostream &
outputStartState(std::ostream & output)
{
output << "Printing i386 initial state not yet implemented"
<< std::endl;
return output;
}
};
#endif
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