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/*
* Copyright (c) 2007 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_AMD64_HH
#define REGSTATE_AMD64_HH
#include <sys/user.h>
#include <sys/types.h>
#include <sys/ptrace.h>
#include <cassert>
#include <string>
#include "base/tracechild.hh"
class AMD64TraceChild : public TraceChild
{
public:
enum RegNum
{
//GPRs
RAX, RCX, RDX, RBX,
//Base pointer and stack pointer
RSP, RBP,
//Index registers
RSI, RDI,
//New 64 bit mode registers
R8, R9, R10, R11, R12, R13, R14, R15,
//Segmentation registers
CS, DS, ES, FS, GS, SS, FS_BASE, GS_BASE,
//PC
RIP,
//Flags
EFLAGS,
//MMX
MMX0_0, MMX0_1,
MMX1_0, MMX1_1,
MMX2_0, MMX2_1,
MMX3_0, MMX3_1,
MMX4_0, MMX4_1,
MMX5_0, MMX5_1,
MMX6_0, MMX6_1,
MMX7_0, MMX7_1,
//XMM
XMM0_0, XMM0_1, XMM0_2, XMM0_3,
XMM1_0, XMM1_1, XMM1_2, XMM1_3,
XMM2_0, XMM2_1, XMM2_2, XMM2_3,
XMM3_0, XMM3_1, XMM3_2, XMM3_3,
XMM4_0, XMM4_1, XMM4_2, XMM4_3,
XMM5_0, XMM5_1, XMM5_2, XMM5_3,
XMM6_0, XMM6_1, XMM6_2, XMM6_3,
XMM7_0, XMM7_1, XMM7_2, XMM7_3,
XMM8_0, XMM8_1, XMM8_2, XMM8_3,
XMM9_0, XMM9_1, XMM9_2, XMM9_3,
XMM10_0, XMM10_1, XMM10_2, XMM10_3,
XMM11_0, XMM11_1, XMM11_2, XMM11_3,
XMM12_0, XMM12_1, XMM12_2, XMM12_3,
XMM13_0, XMM13_1, XMM13_2, XMM13_3,
XMM14_0, XMM14_1, XMM14_2, XMM14_3,
XMM15_0, XMM15_1, XMM15_2, XMM15_3,
numregs
};
private:
int64_t getRegs(user_regs_struct & myregs,
user_fpregs_struct &myfpregs,int num);
user_regs_struct regs;
user_regs_struct oldregs;
user_fpregs_struct fpregs;
user_fpregs_struct oldfpregs;
bool regDiffSinceUpdate[numregs];
uint64_t findSyscall();
protected:
bool update(int pid);
public:
AMD64TraceChild();
bool sendState(int socket);
int64_t getRegVal(int num);
int64_t getOldRegVal(int num);
uint64_t getPC() {return getRegVal(RIP);}
uint64_t getSP() {return getRegVal(RSP);}
std::ostream & outputStartState(std::ostream & output);
bool step();
};
#endif
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