int numLinks;
int numUnlinks;

    numLinks = 0;
    numUnlinks = 0;

/* ================================================================== */
/*
 Print details of links patched
*/
VOID WatchLinks(ADDRINT branch_pc, ADDRINT target_pc)
{
    numLinks++;
    TraceFile << "LINK #" << dec << numLinks;
    TraceFile << "\tcache pc=0x" << hex << branch_pc;
    TraceFile << " \tpatched to pc=0x" << hex << target_pc << endl;
}
/* ================================================================== */
/*
 Print details of links unpatched
*/
VOID WatchUnlinks(ADDRINT branch_pc, ADDRINT stub_pc)
{
    numUnlinks++;
    TraceFile << "UNLINK #" << dec << numUnlinks;
    TraceFile << "\tcache pc=0x" << hex << branch_pc;
    TraceFile << " \trestored to stub pc=0x" << hex << stub_pc << endl;
}

/* ================================================================== */
/*
 Print details at the end of the run
*/
VOID PrintDetailsOnExit(INT32 code, VOID *v)
{
    int traces = CODECACHE_NumTracesInCache();

    TraceFile << endl << "------------------------" << endl;
    TraceFile << dec << traces << " traces" << endl;
    TraceFile << numLinks << " links set in the code cache" << endl;
    TraceFile << numUnlinks << " links removed from the code cache" << endl;
    TraceFile << "#eof" << endl;
    TraceFile.close();
}

    // Register a routine that gets called when patch a link in
    //  the code cache
    CODECACHE_AddTraceLinkedFunction(WatchLinks, 0);

    // Register a routine that gets called when we unpatch a link in
    //  the code cache
    CODECACHE_AddTraceUnlinkedFunction(WatchUnlinks, 0);