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80 lines
1.8 KiB
80 lines
1.8 KiB
/*
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* Copyright 2002-2019 Intel Corporation.
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*
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* This software is provided to you as Sample Source Code as defined in the accompanying
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* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
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* section 1.L.
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*
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* This software and the related documents are provided as is, with no express or implied
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* warranties, other than those that are expressly stated in the License.
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*/
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#include <stdio.h>
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#include <stdlib.h>
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#include "pin.H"
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#include <iostream>
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UINT32 * lastEa;
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UINT32 lastValue;
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VOID CaptureEaAndValue(UINT32 * ea)
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{
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lastEa = ea;
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lastValue = *ea;
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}
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VOID TestValue(VOID * ip, UINT32 val)
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{
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if (val != lastValue)
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{
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fprintf(stderr, "Difference IP: %p, EA: %p, register value: %x, memory value: %x\n",
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ip, lastEa, val, lastValue);
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exit(1);
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}
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}
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ADDRINT imgStartAdd;
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USIZE imgSize;
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VOID ImageLoad(IMG img, VOID *v)
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{
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if (IMG_IsMainExecutable(img))
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{
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imgStartAdd = IMG_StartAddress(img);
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imgSize = IMG_SizeMapped(img);
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}
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}
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ADDRINT IsMainExe(ADDRINT InsAdd)
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{
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//instrument if ins is app instruction
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return (InsAdd >= imgStartAdd && InsAdd < (imgStartAdd + imgSize));
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}
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VOID Instruction(INS ins, VOID *v)
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{
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if (IsMainExe(INS_Address(ins))
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&& INS_Mnemonic(ins) == "MOV"
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&& INS_IsMemoryRead(ins)
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&& REG_is_gr(INS_RegW(ins, 0)))
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{
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INS_InsertCall(ins, IPOINT_BEFORE, AFUNPTR(CaptureEaAndValue), IARG_MEMORYREAD_EA, IARG_END);
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INS_InsertCall(ins, IPOINT_AFTER, AFUNPTR(TestValue), IARG_INST_PTR, IARG_REG_VALUE, INS_RegW(ins, 0), IARG_END);
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}
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}
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int main(int argc, char * argv[])
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{
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PIN_Init(argc, argv);
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PIN_InitSymbols();
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IMG_AddInstrumentFunction(ImageLoad, NULL);
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INS_AddInstrumentFunction(Instruction, NULL);
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// Never returns
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PIN_StartProgram();
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return 1;
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}
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