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309 lines
9.3 KiB
309 lines
9.3 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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* JIT mode detach-reattach test which confirms that each thread get its respective thread detach callbacks.
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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 <sched.h>
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#include <linux/unistd.h>
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#include <sys/syscall.h>
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using std::ofstream;
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using std::string;
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using std::endl;
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#define MAX_ITERATION 2
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const char * FIRST_DLL_NAME = "my_dll.so";
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const char * SECOND_DLL_NAME = "my_dll_1.so";
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using std::cerr;
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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", "reattachImageLoadCallbackAttached_jit.out", "specify file name");
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ofstream TraceFile;
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PIN_LOCK pinLock;
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/* ===================================================================== */
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/* Session control checks that there is no callbacks mix between different
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* attach-detach iterations
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*/
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class SESSION_CONTROL
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{
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public:
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SESSION_CONTROL():_currentIteration(0),
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_threadCounter(0),
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_startAttachSession(FALSE),
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_startDetachSession(FALSE)
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{}
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static VOID AttachedThreadStart(THREADID threadIndex, CONTEXT *ctxt, VOID *arg);
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static VOID DedicatedThread(VOID *arg);
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VOID StartIteration(UINT32 it) { _currentIteration = it; _threadCounter = 0;}
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UINT32 CurrentIteration() { return _currentIteration; }
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BOOL GotFirstThreadNotification(UINT32 it)
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{
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return ((it == _currentIteration) && (_threadCounter > 0));
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}
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static SESSION_CONTROL* Instance() { return &m_instance; }
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VOID StartDetach()
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{
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_startDetachSession = TRUE;
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_startAttachSession = FALSE;
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}
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VOID StartAttach()
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{
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_startAttachSession = TRUE;
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_startDetachSession = FALSE;
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}
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VOID WaitForDetach() { while (!_startDetachSession) sched_yield(); }
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VOID WaitForAttach() { while (!_startAttachSession) sched_yield(); }
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private:
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UINT32 _currentIteration;
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UINT32 _threadCounter;
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volatile BOOL _startAttachSession;
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volatile BOOL _startDetachSession;
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static SESSION_CONTROL m_instance;
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};
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SESSION_CONTROL SESSION_CONTROL::m_instance;
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SESSION_CONTROL *SessionControl() { return SESSION_CONTROL::Instance(); }
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/* Detach session
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* Callbacks and function replacements
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*/
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class DETACH_SESSION
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{
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public:
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// Detach completion notification
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static VOID DetachCompleted(VOID *v);
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static VOID DetachThreadStart(THREADID threadIndex, const CONTEXT *ctxt, VOID *arg);
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static VOID ImageLoad(IMG img, VOID *v);
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};
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/* Reattach session */
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class REATTACH_SESSION
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{
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public:
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static VOID ImageLoad(IMG img, VOID *v);
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static VOID AttachedThreadStart(THREADID threadIndex, CONTEXT *ctxt, VOID *arg);
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};
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/*
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* Pin-tool detach-completed callback
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* Called from Pin
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*/
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VOID DETACH_SESSION::DetachCompleted(VOID *v)
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{
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unsigned long iteration = (unsigned long)v;
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if (iteration != SessionControl()->CurrentIteration())
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{
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cerr << "At " << __FUNCTION__ << "Iteration error: Expected " << SessionControl()->CurrentIteration()
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<< " Received " << iteration << " In DetachThreadStart" << endl;
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PIN_ExitProcess (1);
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}
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PIN_GetLock(&pinLock, PIN_GetTid());
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TraceFile << "Detach session " << iteration << " Detach completed; tid = "
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<< PIN_GetTid() << endl;
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if (iteration == MAX_ITERATION)
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{
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TraceFile << "TEST PASSED" << endl;
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TraceFile.close();
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PIN_ExitProcess(0);
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}
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PIN_ReleaseLock(&pinLock);
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SessionControl()->StartAttach();
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}
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BOOL afterAttachProbe(void)
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{
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return TRUE;
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}
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VOID AttachMain(VOID *arg)
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{
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UINT32 reattachIteration = *(reinterpret_cast <UINT32 *> (&arg));
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SessionControl()->StartIteration(reattachIteration);
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IMG_AddInstrumentFunction(REATTACH_SESSION::ImageLoad, arg);
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PIN_AddDetachFunction(DETACH_SESSION::DetachCompleted, arg);
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PIN_AddThreadAttachFunction(SESSION_CONTROL::AttachedThreadStart, arg);
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PIN_AddThreadDetachFunction(DETACH_SESSION::DetachThreadStart, arg);
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}
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VOID SESSION_CONTROL::DedicatedThread(VOID *arg)
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{
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ADDRINT reattachIteration = 2;
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while (1)
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{
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SessionControl()->WaitForDetach();
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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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SessionControl()->WaitForAttach();
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PIN_GetLock(&pinLock, PIN_GetTid());
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TraceFile << "Pin tool: sending attach request" << endl;
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PIN_ReleaseLock(&pinLock);
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while (ATTACH_FAILED_DETACH == PIN_Attach(AttachMain, (VOID *)reattachIteration))
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{
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sched_yield();
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}
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reattachIteration++;
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}
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}
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/* Thread start notification in the first session */
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VOID SESSION_CONTROL::AttachedThreadStart(THREADID threadIndex, CONTEXT *ctxt, VOID *arg)
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{
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unsigned long iteration = (unsigned long)arg;
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if (iteration != SessionControl()->CurrentIteration())
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{
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cerr << "At " << __FUNCTION__ << "Iteration error: Expected " << SessionControl()->CurrentIteration()
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<< " Received " << iteration << " In DetachThreadStart" << endl;
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PIN_ExitProcess (1);
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}
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PIN_GetLock(&pinLock, PIN_GetTid());
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++(SessionControl()->_threadCounter) ;
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TraceFile << "Thread start " <<" notification at session " << iteration << " tid " << PIN_GetTid()<< endl;
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PIN_ReleaseLock(&pinLock);
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}
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VOID DETACH_SESSION::DetachThreadStart(THREADID threadIndex, const CONTEXT *ctxt, VOID *arg)
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{
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unsigned long iteration = (unsigned long)arg;
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if (iteration != SessionControl()->CurrentIteration())
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{
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cerr << "At " << __FUNCTION__ << "Iteration error: Expected " << SessionControl()->CurrentIteration()
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<< " Received " << iteration << " In DetachThreadStart" << endl;
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PIN_ExitProcess (1);
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}
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PIN_GetLock(&pinLock, PIN_GetTid());
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TraceFile << "Thread detach " << " notification at session " << iteration << " tid " << PIN_GetTid() << endl;
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PIN_ReleaseLock(&pinLock);
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}
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/*
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*Image load callback for the first Pin session
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*/
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VOID DETACH_SESSION::ImageLoad(IMG img, VOID *v)
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{
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unsigned long iteration = (unsigned long)v;
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if (iteration != SessionControl()->CurrentIteration())
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{
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cerr << "At " << __FUNCTION__ << "Iteration error: Expected " << SessionControl()->CurrentIteration()
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<< " Received " << iteration << " In DetachThreadStart" << endl;
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PIN_ExitProcess (1);
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}
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if ( IMG_IsMainExecutable(img))
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{
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RTN rtn = RTN_FindByName(img, "AfterAttach1");
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// relevent only in the attach scenario.
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if (RTN_Valid(rtn))
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{
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RTN_Replace(rtn, AFUNPTR(afterAttachProbe));
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}
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}
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PIN_GetLock(&pinLock, PIN_GetTid());
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TraceFile <<"Load image " << IMG_Name(img) << " in iteration " << iteration << endl;
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PIN_ReleaseLock(&pinLock);
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size_t found;
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found= IMG_Name(img).find(FIRST_DLL_NAME);
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if ( found!=string::npos )
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{
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SessionControl()->StartDetach();
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}
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}
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/*
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*Image load callback for the second Pin session
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*/
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VOID REATTACH_SESSION::ImageLoad(IMG img, VOID *v)
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{
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unsigned long iteration = (unsigned long)v;
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if (iteration != SessionControl()->CurrentIteration())
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{
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cerr << "At " << __FUNCTION__ << "Iteration error: Expected " << SessionControl()->CurrentIteration()
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<< " Received " << iteration << " In DetachThreadStart" << endl;
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PIN_ExitProcess (1);
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}
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if ( IMG_IsMainExecutable(img))
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{
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RTN rtn = RTN_FindByName(img, "AfterAttach2");
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if (RTN_Valid(rtn))
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{
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RTN_Replace(rtn, AFUNPTR(afterAttachProbe));
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}
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}
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PIN_GetLock(&pinLock, PIN_GetTid());
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TraceFile <<"Load image " << IMG_Name(img) <<" in iteration " << iteration <<endl;
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PIN_ReleaseLock(&pinLock);
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size_t found;
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found= IMG_Name(img).find(SECOND_DLL_NAME);
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if ( found!=string::npos )
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{
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SessionControl()->StartDetach();
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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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SessionControl()->StartIteration(1);
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PIN_InitLock(&pinLock);
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TraceFile.open(KnobOutputFile.Value().c_str());
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IMG_AddInstrumentFunction(DETACH_SESSION::ImageLoad,(VOID *) 1);
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PIN_AddDetachFunction(DETACH_SESSION::DetachCompleted, (VOID *)1);
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PIN_AddThreadAttachFunction(SESSION_CONTROL::AttachedThreadStart, (VOID *)1);
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PIN_AddThreadDetachFunction(DETACH_SESSION::DetachThreadStart, (VOID *)1);
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THREADID tid = PIN_SpawnInternalThread(SESSION_CONTROL::DedicatedThread, NULL, 0x40000, NULL);
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assert(tid != INVALID_THREADID);
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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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