icount5.cpp

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#include <iostream>
#include "pin.H"
#include "InstLib/instlib.H"

using namespace INSTLIB;
FILTER filter;



UINT64 before = 0;
UINT64 after = 0;
UINT64 noFallThrough = 0;

VOID docount_before(BOOL hasFallTrough)
{
    before++;
    if ( ! hasFallTrough) noFallThrough++;
}

VOID docount_after()
{
    after++;
}

VOID Trace(TRACE trace, VOID *v)
{

  if (!filter.SelectTrace(trace))
        return;
    INS ins;
    
    for (BBL bbl = TRACE_BblHead(trace); BBL_Valid(bbl); bbl = BBL_Next(bbl))
    {
        for (ins = BBL_InsHead(bbl); INS_Valid(ins); ins = INS_Next(ins))
        {
            UINT32 hasFallThrough = INS_HasFallThrough(ins);
            INS_InsertCall(ins, IPOINT_BEFORE, AFUNPTR(docount_before), IARG_UINT32, hasFallThrough, IARG_END);
            if (hasFallThrough)
            {
                INS_InsertCall(ins, IPOINT_AFTER, AFUNPTR(docount_after), IARG_END);
            }
        }
    }
}

VOID Fini(INT32 code, VOID *v)
{
    std::cerr << "Count before: " << before << endl;
    std::cerr << "Count after: " << after << endl;
    std::cerr << "Count no fall-through: " << noFallThrough << endl;
}


int main(INT32 argc, CHAR **argv)
{
    PIN_Init(argc, argv);
    TRACE_AddInstrumentFunction(Trace, 0);
    PIN_AddFiniFunction(Fini, 0);
    
    filter.Activate();
    // Never returns
    PIN_StartProgram();
    
    return 0;
}