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/*
* Copyright 2002-2019 Intel Corporation.
*
* This software is provided to you as Sample Source Code as defined in the accompanying
* End User License Agreement for the Intel(R) Software Development Products ("Agreement")
* section 1.L.
*
* This software and the related documents are provided as is, with no express or implied
* warranties, other than those that are expressly stated in the License.
*/
//
// This tool replaces sleep().
//
#include "pin.H"
#include <iostream>
#include "tool_macros.h"
using std::cerr;
using std::endl;
using std::string;
#if defined(TARGET_MAC) && defined(TARGET_IA32)
# define SLEEP_SUFFIX "$UNIX2003"
#else
# define SLEEP_SUFFIX
#endif
/* ===================================================================== */
/* Global Variables */
/* ===================================================================== */
static void (*pf_sleep)(int);
/* ===================================================================== */
/* Replacement Functions */
/* ===================================================================== */
void SleepProbe( int b )
{
cerr << "SleepProbe: calling sleep" << endl;
if (pf_sleep)
{
(pf_sleep)( b );
}
}
/* ===================================================================== */
#if defined (TARGET_WINDOWS)
// Returns TRUE if baseName matches tail of imageName. Comparison is case-insensitive.
// Parameters:
// imageName image file name in either form with extension
// baseName image base name with extension (e.g. kernel32.dll)
BOOL MatchedImageName(const string & imageName, const string & baseName)
{
if (imageName.size() >= baseName.size())
{
return _stricmp(imageName.c_str() + imageName.size() - baseName.size(), baseName.c_str()) == 0;
}
return FALSE;
}
#endif
/* ===================================================================== */
// Called every time a new image is loaded
// Look for routines that we want to probe
VOID ImageLoad(IMG img, VOID *v)
{
#if defined (TARGET_WINDOWS)
RTN sleepRtn = RTN_Invalid();
// Look for Sleep only in kernel32.dll
if (MatchedImageName(IMG_Name(img), "kernel32.dll"))
{
sleepRtn = RTN_FindByName(img, C_MANGLE("Sleep"));
}
#else
RTN sleepRtn = RTN_FindByName(img, C_MANGLE("sleep") SLEEP_SUFFIX);
#endif
if (RTN_Valid(sleepRtn))
{
if ( RTN_IsSafeForProbedReplacement( sleepRtn ) )
{
pf_sleep = (void (*)(int)) RTN_ReplaceProbed(sleepRtn,
AFUNPTR(SleepProbe));
cerr << "Inserted probe for Sleep:" << IMG_Name(img) << endl;
}
}
}
/* ===================================================================== */
int main(int argc, CHAR *argv[])
{
PIN_InitSymbols();
PIN_Init(argc,argv);
IMG_AddInstrumentFunction(ImageLoad, 0);
PIN_StartProgramProbed();
return 0;
}
/* ===================================================================== */
/* eof */
/* ===================================================================== */