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97 lines
2.6 KiB
97 lines
2.6 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 "pin.H"
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#include <string>
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#include <iostream>
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namespace WINDOWS
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{
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#include <windows.h>
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}
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using std::cout;
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using std::vector;
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using std::endl;
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//=======================================================================
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// This is a tool that instruments the GetLastError() function and changes
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// TEB.LastErrorValue. This change should not be seen in the application.
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//
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// Also this tool uses very big automatic variables in order to verify that
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// pin handles stack bounds in TEB correctly.
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//=======================================================================
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// Address of the GetLastError API.
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ADDRINT pfnGetLastError = 0;
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typedef UINT64 COUNTER;
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const UINT32 MAX_INDEX = 8000;
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const UINT32 VECT_SIZE = 4;
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struct CSTATS
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{
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CSTATS()
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{
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memset(counters, 0, sizeof(COUNTER)*MAX_INDEX);
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}
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COUNTER counters[MAX_INDEX];
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};
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// very big static object initialized before main()
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vector<CSTATS> MyGlobalVect(VECT_SIZE);
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//=======================================================================
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//
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VOID InGetLastError()
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{
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static BOOL first = TRUE;
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if (first)
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{
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cout << "In GetLastError" << endl;
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// test very big variables on stack
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first = FALSE;
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vector<CSTATS> myVect(VECT_SIZE);
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myVect[0].counters[0] = 1;
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MyGlobalVect = myVect;
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CSTATS myStat;
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myStat.counters[0] = 2;
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MyGlobalVect[1] = myStat;
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}
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// Change TEB.LastErrorValue to something different from 777
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WINDOWS::SetLastError(999);
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}
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//=======================================================================
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// This function is called for every instruction and instruments the
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// GetLastError() function
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VOID Instruction(INS ins, VOID *v)
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{
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if (INS_Address(ins) == pfnGetLastError)
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{
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INS_InsertCall(ins, IPOINT_BEFORE, AFUNPTR(InGetLastError), IARG_END);
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}
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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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pfnGetLastError = (ADDRINT)WINDOWS::GetProcAddress(
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WINDOWS::GetModuleHandle("kernel32.dll"), "GetLastError");
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PIN_Init( argc, argv );
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INS_AddInstrumentFunction(Instruction, 0);
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PIN_StartProgram();
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return 0;
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}
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