114 lines
3.1 KiB
C++
114 lines
3.1 KiB
C++
/*
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* Copyright (c) 2009 The Regents of The University of Michigan
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are
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* met: redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer;
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* redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution;
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* neither the name of the copyright holders nor the names of its
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* contributors may be used to endorse or promote products derived from
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* this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* Authors: Ali Saidi
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* Gabe Black
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*/
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#ifndef TRACECHILD_ARM_HH
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#define TRACECHILD_ARM_HH
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#include <cassert>
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#include <string>
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#include <sys/user.h>
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#include <sys/ptrace.h>
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#include "tracechild.hh"
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class ARMTraceChild : public TraceChild
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{
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public:
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enum RegNum
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{
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// r0 - r3 argument, temp, caller save
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// r4 - r10 callee save
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// r11 - FP
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// r12 - temp
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// r13 - stack
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// r14 - link
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// r15 - pc
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R0, R1, R2, R3, R4, R5, R6, R7,
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R8, R9, R10, FP, R12, SP, LR, PC,
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CPSR,
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numregs
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};
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private:
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char printBuffer[256];
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static const char *regNames[numregs];
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uint32_t getRegs(user_regs& myregs, int num);
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user_regs regs;
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user_regs oldregs;
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bool regDiffSinceUpdate[numregs];
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protected:
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bool update(int pid);
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public:
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ARMTraceChild();
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bool sendState(int socket);
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int getNumRegs()
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{
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return numregs;
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}
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bool diffSinceUpdate(int num)
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{
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assert(num < numregs && num >= 0);
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return regDiffSinceUpdate[num];
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}
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std::string getRegName(int num)
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{
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assert(num < numregs && num >= 0);
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return regNames[num];
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}
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int64_t getRegVal(int num);
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int64_t getOldRegVal(int num);
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bool step();
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uint64_t getPC()
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{
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return getRegVal(PC);
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}
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uint64_t getSP()
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{
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return getRegVal(SP);
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}
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char * printReg(int num);
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std::ostream & outputStartState(std::ostream & os);
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};
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#endif
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