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54 lines
1.4 KiB
54 lines
1.4 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 "pin.H"
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#include <iostream>
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#include <fstream>
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#include <mmintrin.h>
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#include <emmintrin.h>
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#include <xmmintrin.h>
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void convert_dword_to_double(double* result, UINT32 i) {
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__m128d mmin, mmout;
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mmin = _mm_setzero_pd();
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mmout = _mm_cvtsi32_sd(mmin,i);
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_mm_store_sd(result, mmout);
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}
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void convert(ADDRINT memea) {
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double d; // uses XMM, not X87 for data
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UINT32 i = (UINT32)memea;
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convert_dword_to_double(&d, i);
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}
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void convert_load_addr(INS ins, void* v) {
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if (INS_Opcode(ins) == XED_ICLASS_MOV &&
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INS_IsMemoryRead(ins) &&
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INS_OperandIsReg(ins, 0) &&
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INS_OperandIsMemory(ins, 1))
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{
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// op0 <- *op1
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INS_InsertCall(ins,
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IPOINT_BEFORE,
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AFUNPTR(convert),
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IARG_MEMORYREAD_EA,
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IARG_END);
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}
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}
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int main(int argc, char * argv[]) {
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PIN_Init(argc, argv);
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INS_AddInstrumentFunction(convert_load_addr, 0);
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PIN_StartProgram(); // Never returns
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return 0;
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}
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