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120 lines
3.0 KiB
120 lines
3.0 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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// This tool replaces sleep().
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//
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#include "pin.H"
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#include <iostream>
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#include "tool_macros.h"
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using std::cerr;
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using std::endl;
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using std::string;
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#if defined(TARGET_MAC) && defined(TARGET_IA32)
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# define SLEEP_SUFFIX "$UNIX2003"
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#else
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# define SLEEP_SUFFIX
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#endif
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/* ===================================================================== */
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/* Global Variables */
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/* ===================================================================== */
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static void (*pf_sleep)(int);
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/* ===================================================================== */
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/* Replacement Functions */
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/* ===================================================================== */
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void SleepProbe( int b )
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{
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cerr << "SleepProbe: calling sleep" << endl;
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if (pf_sleep)
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{
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(pf_sleep)( b );
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}
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}
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/* ===================================================================== */
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#if defined (TARGET_WINDOWS)
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// Returns TRUE if baseName matches tail of imageName. Comparison is case-insensitive.
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// Parameters:
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// imageName image file name in either form with extension
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// baseName image base name with extension (e.g. kernel32.dll)
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BOOL MatchedImageName(const string & imageName, const string & baseName)
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{
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if (imageName.size() >= baseName.size())
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{
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return _stricmp(imageName.c_str() + imageName.size() - baseName.size(), baseName.c_str()) == 0;
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}
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return FALSE;
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}
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#endif
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/* ===================================================================== */
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// Called every time a new image is loaded
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// Look for routines that we want to probe
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VOID ImageLoad(IMG img, VOID *v)
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{
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#if defined (TARGET_WINDOWS)
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RTN sleepRtn = RTN_Invalid();
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// Look for Sleep only in kernel32.dll
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if (MatchedImageName(IMG_Name(img), "kernel32.dll"))
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{
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sleepRtn = RTN_FindByName(img, C_MANGLE("Sleep"));
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}
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#else
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RTN sleepRtn = RTN_FindByName(img, C_MANGLE("sleep") SLEEP_SUFFIX);
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#endif
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if (RTN_Valid(sleepRtn))
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{
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if ( RTN_IsSafeForProbedReplacement( sleepRtn ) )
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{
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pf_sleep = (void (*)(int)) RTN_ReplaceProbed(sleepRtn,
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AFUNPTR(SleepProbe));
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cerr << "Inserted probe for Sleep:" << IMG_Name(img) << endl;
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}
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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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PIN_InitSymbols();
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PIN_Init(argc,argv);
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IMG_AddInstrumentFunction(ImageLoad, 0);
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PIN_StartProgramProbed();
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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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