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64 lines
1.3 KiB
64 lines
1.3 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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unsigned int n = 0xdeadbeef;
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unsigned int res = 0;
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VOID ahal()
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{
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#if defined(PIN_GNU_COMPATIBLE)
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asm("mov %0,%%eax; mov %%ah,%%al; mov %%eax,%1" : "=m"(n) : "m"(res) : "eax");
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#elif defined(PIN_MS_COMPATIBLE)
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__asm {
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mov eax, [n]
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mov al, ah
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mov [res], eax
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}
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#endif
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}
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VOID Check(INT32 code, VOID *v)
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{
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if (res != 0xdeadbebe)
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{
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printf("n %x res %x\n",n,res);
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exit(1);
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}
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}
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VOID Instruction(INS ins, VOID *v)
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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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INS_InsertCall(ins, IPOINT_AFTER, (AFUNPTR)ahal, IARG_END);
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INS_InsertCall(ins, IPOINT_AFTER, (AFUNPTR)Check, IARG_END);
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}
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first = false;
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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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INS_AddInstrumentFunction(Instruction, 0);
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// Never returns
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PIN_StartProgram();
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return 0;
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}
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