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127 lines
4.5 KiB
127 lines
4.5 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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/* ===================================================================== */
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/*! @file
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Replace an original function with a custom function defined in the tool. The
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new function can have either the same or different signature from that of its
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original function.
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*/
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/* ===================================================================== */
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#include "pin.H"
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#include <iostream>
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#include <limits.h>
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#include <stdlib.h>
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using std::cout;
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using std::endl;
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/* ===================================================================== */
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static short (*pf_bar)( short, short, unsigned short, long, long, unsigned long,
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short, short, unsigned short, long, long, unsigned long );
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/* ===================================================================== */
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int Boo( CONTEXT * ctxt, AFUNPTR pf_Green )
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{
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short ret = 0;
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PIN_CallApplicationFunction( ctxt, PIN_ThreadId(),
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CALLINGSTD_DEFAULT, pf_Green, NULL,
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PIN_PARG(short), &ret,
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PIN_PARG(short), SHRT_MIN,
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PIN_PARG(short), SHRT_MAX,
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PIN_PARG(unsigned short), USHRT_MAX,
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PIN_PARG(long), LONG_MIN,
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PIN_PARG(long), LONG_MAX,
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PIN_PARG(unsigned long), ULONG_MAX,
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PIN_PARG(short), SHRT_MIN,
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PIN_PARG(short), SHRT_MAX,
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PIN_PARG(unsigned short), USHRT_MAX,
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PIN_PARG(long), LONG_MIN,
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PIN_PARG(long), LONG_MAX,
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PIN_PARG(unsigned long), ULONG_MAX,
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PIN_PARG_END() );
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if ( ret == 1 )
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cout << " Correct return value " << endl;
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else
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cout << "ret = " << ret << endl;
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return ret;
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}
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/* ===================================================================== */
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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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PROTO proto = PROTO_Allocate( PIN_PARG(short), CALLINGSTD_DEFAULT,
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"Bar13", PIN_PARG(short), PIN_PARG(short),
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PIN_PARG(unsigned short), PIN_PARG(long),
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PIN_PARG(long), PIN_PARG(unsigned long),
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PIN_PARG(short), PIN_PARG(short),
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PIN_PARG(unsigned short), PIN_PARG(long),
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PIN_PARG(long), PIN_PARG(unsigned long),
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PIN_PARG_END() );
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VOID * pf_Green;
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RTN rtn1 = RTN_FindByName(img, "Green13");
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if (RTN_Valid(rtn1))
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pf_Green = reinterpret_cast<VOID *>(RTN_Address(rtn1));
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else
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{
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cout << "Green13 cannot be found." << endl;
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exit(1);
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}
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RTN rtn = RTN_FindByName(img, "Bar13");
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if (RTN_Valid(rtn))
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{
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cout << "Replacing " << RTN_Name(rtn) << " in " << IMG_Name(img) << endl;
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pf_bar = (short (*)( short, short, unsigned short, long, long, unsigned long,
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short, short, unsigned short, long, long, unsigned long ))
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RTN_ReplaceSignature(
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rtn, AFUNPTR(Boo),
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IARG_PROTOTYPE, proto,
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IARG_CONTEXT,
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IARG_PTR, pf_Green,
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IARG_END);
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}
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PROTO_Free( proto );
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}
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}
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/* ===================================================================== */
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int main(INT32 argc, CHAR *argv[])
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{
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PIN_InitSymbols();
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PIN_Init(argc, argv);
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IMG_AddInstrumentFunction(ImageLoad, 0);
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PIN_StartProgram();
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return 0;
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}
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/* ===================================================================== */
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/* eof */
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/* ===================================================================== */
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