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140 lines
3.3 KiB
140 lines
3.3 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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/*! @file
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*/
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#include "pin.H"
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#include <iostream>
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#include <fstream>
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#include <stdlib.h>
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#include <assert.h>
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#include <tool_macros.h>
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using std::ofstream;
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using std::string;
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using std::ios;
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using std::hex;
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using std::cerr;
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using std::dec;
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using std::endl;
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/* ===================================================================== */
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/* Commandline Switches */
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/* ===================================================================== */
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KNOB<string> KnobOutputFile(KNOB_MODE_WRITEONCE, "pintool",
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"o", "jit_tool.out", "specify file name");
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ofstream TraceFile;
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/* ===================================================================== */
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INT32 Usage()
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{
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cerr <<
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"This pin tool tests MT attach in JIT mode.\n"
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"\n";
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cerr << KNOB_BASE::StringKnobSummary();
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cerr << endl;
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return -1;
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}
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PIN_LOCK pinLock;
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VOID DetachPinFromMTApplication(unsigned int numOfThreads)
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{
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PIN_GetLock(&pinLock, PIN_GetTid());
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TraceFile << "Pin tool: sending detach request" << endl;
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PIN_ReleaseLock(&pinLock);
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PIN_Detach();
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}
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int HoldAppThread()
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{
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return 1;
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}
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UINT32 threadCounter=0;
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VOID ThreadStart(THREADID threadid, CONTEXT *ctxt, INT32 flags, VOID *v)
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{
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PIN_GetLock(&pinLock, PIN_GetTid());
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TraceFile << "Thread counter is updated to " << dec << (threadCounter+1) << endl;
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++threadCounter;
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PIN_ReleaseLock(&pinLock);
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}
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BOOL AllThreadsNotifed(unsigned int numOfThreads)
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{
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PIN_GetLock(&pinLock, PIN_GetTid());
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// Check that we don't have any extra thread
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assert(threadCounter <= numOfThreads);
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if (threadCounter == numOfThreads)
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{
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TraceFile.close();
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PIN_ReleaseLock(&pinLock);
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return TRUE;
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}
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PIN_ReleaseLock(&pinLock);
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return FALSE;
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}
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VOID ImageLoad(IMG img, void *v)
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{
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RTN rtn = RTN_FindByName(img, C_MANGLE("DetachPin"));
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if (RTN_Valid(rtn))
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{
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TraceFile << "DetachPin instrumented " << endl;
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RTN_Replace(rtn, AFUNPTR(DetachPinFromMTApplication));
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}
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rtn = RTN_FindByName(img, C_MANGLE("ThreadHoldByPin"));
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if (RTN_Valid(rtn))
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{
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TraceFile << "ThreadHoldByPin instrumented " << endl;
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RTN_Replace(rtn, AFUNPTR(HoldAppThread));
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}
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rtn = RTN_FindByName(img, C_MANGLE("ThreadsReady"));
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if (RTN_Valid(rtn))
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{
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TraceFile << "ThreadsReady instrumented " << endl;
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RTN_Replace(rtn, AFUNPTR(AllThreadsNotifed));
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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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if( PIN_Init(argc,argv) )
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{
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return Usage();
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}
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TraceFile.open(KnobOutputFile.Value().c_str());
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TraceFile << hex;
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TraceFile.setf(ios::showbase);
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PIN_InitLock(&pinLock);
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IMG_AddInstrumentFunction(ImageLoad, 0);
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PIN_AddThreadStartFunction(ThreadStart, 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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