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multicorejit.h
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multicorejit.h
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// Licensed to the .NET Foundation under one or more agreements.
// The .NET Foundation licenses this file to you under the MIT license.
// See the LICENSE file in the project root for more information.
//
// File: MultiCoreJIT.h
//
//
// Multicore JIT interface to other part of the VM (Thread, AppDomain, JIT)
//
// ======================================================================================
#ifndef __MULTICORE_JIT_H__
#define __MULTICORE_JIT_H__
class MulticoreJitRecorder;
class MulticoreJitCounter
{
volatile LONG m_nValue;
public:
MulticoreJitCounter()
{
LIMITED_METHOD_CONTRACT;
m_nValue = 0;
}
inline LONG GetValue() const
{
LIMITED_METHOD_CONTRACT;
return m_nValue;
}
LONG Increment()
{
LIMITED_METHOD_CONTRACT;
return InterlockedIncrement(& m_nValue);
}
LONG Decrement()
{
LIMITED_METHOD_CONTRACT;
return InterlockedDecrement(& m_nValue);
}
};
// Statistics, information shared by recorder and player
struct MulticoreJitPlayerStat
{
unsigned short m_nTotalMethod;
unsigned short m_nHasNativeCode;
unsigned short m_nTryCompiling;
unsigned short m_nFilteredMethods;
unsigned short m_nMissingModuleSkip;
unsigned short m_nTotalDelay;
unsigned short m_nDelayCount;
unsigned short m_nWalkBack;
HRESULT m_hr;
void Clear()
{
LIMITED_METHOD_CONTRACT;
memset(this, 0, sizeof(MulticoreJitPlayerStat));
}
};
// Code Storage
class MulticoreJitCodeStorage
{
private:
MapSHashWithRemove<PVOID,PCODE> m_nativeCodeMap;
CrstExplicitInit m_crstCodeMap; // protecting m_nativeCodeMap
unsigned m_nStored;
unsigned m_nReturned;
public:
void Init();
#ifdef DACCESS_COMPILE
~MulticoreJitCodeStorage()
{
LIMITED_METHOD_CONTRACT;
}
#else
~MulticoreJitCodeStorage();
#endif
void StoreMethodCode(MethodDesc * pMethod, PCODE pCode);
PCODE QueryMethodCode(MethodDesc * pMethod, BOOL shouldRemoveCode);
inline unsigned GetRemainingMethodCount() const
{
LIMITED_METHOD_CONTRACT;
return m_nativeCodeMap.GetCount();
}
inline unsigned GetStored() const
{
LIMITED_METHOD_CONTRACT;
return m_nStored;
}
inline unsigned GetReturned() const
{
LIMITED_METHOD_CONTRACT;
return m_nReturned;
}
};
const LONG SETPROFILEROOTCALLED = 1;
// Multicore JIT attachment to AppDomain class
class MulticoreJitManager
{
private:
MulticoreJitCounter m_ProfileSession; // Sequential profile session within the domain,
// incremented for every StartProfile/StopProfile/AbortProfile call to signal older players to quit
// We're just afraid of keeping pointer to player
MulticoreJitRecorder * m_pMulticoreJitRecorder; // pointer to current recorder
SString m_profileRoot; // profile root string
LONG m_fSetProfileRootCalled; // SetProfileRoot has been called
LONG m_fAutoStartCalled;
bool m_fRecorderActive; // Manager open for recording/event, turned on when initialized properly, turned off when at full capacity
bool m_fAppxMode;
CrstExplicitInit m_playerLock; // Thread protection (accessing m_pMulticoreJitRecorder)
MulticoreJitPlayerStat m_stats; // Statistics: normally gathered by player, written to profile
MulticoreJitCodeStorage m_MulticoreJitCodeStorage;
public:
#ifndef DACCESS_COMPILE
MulticoreJitManager();
~MulticoreJitManager();
#else
MulticoreJitManager()
{
LIMITED_METHOD_CONTRACT;
m_pMulticoreJitRecorder = NULL;
m_fSetProfileRootCalled = 0;
m_fAutoStartCalled = 0;
m_fRecorderActive = false;
m_fAppxMode = false;
}
~MulticoreJitManager()
{
LIMITED_METHOD_CONTRACT;
}
#endif
inline bool IsRecorderActive() const
{
LIMITED_METHOD_CONTRACT;
return m_fRecorderActive;
}
inline MulticoreJitCounter & GetProfileSession()
{
LIMITED_METHOD_CONTRACT;
return m_ProfileSession;
}
// Check for environment variable to automatically start multicore JIT
void AutoStartProfile(AppDomain * pDomain);
// Multicore JIT API function: SetProfileRoot
void SetProfileRoot(AppDomain * pDomain, const WCHAR * pProfilePath);
// Multicore JIT API function: StartProfile
void StartProfile(AppDomain * pDomain, ICLRPrivBinder * pBinderContext, const WCHAR * pProfile, int suffix = -1);
// Multicore JIT API function (internal): AbortProfile
void AbortProfile();
// Called at AppDomain shut down to automatically shut down remaining profiling
void StopProfile(bool appDomainShutdown);
static void StopProfileAll();
// Track module loading event for recording
void RecordModuleLoad(Module * pModule, FileLoadLevel loadLevel);
static bool IsMethodSupported(MethodDesc * pMethod);
PCODE RequestMethodCode(MethodDesc * pMethod);
void RecordMethodJit(MethodDesc * pMethod);
MulticoreJitPlayerStat & GetStats()
{
LIMITED_METHOD_CONTRACT;
return m_stats;
}
MulticoreJitCodeStorage & GetMulticoreJitCodeStorage()
{
LIMITED_METHOD_CONTRACT;
return m_MulticoreJitCodeStorage;
}
static void DisableMulticoreJit();
static bool IsSupportedModule(Module * pModule, bool fMethodJit, bool fAppx);
static FileLoadLevel GetModuleFileLoadLevel(Module * pModule);
static bool ModuleHasNoCode(Module * pModule);
};
// For ecall.cpp
class MultiCoreJITNative
{
public:
static void QCALLTYPE InternalSetProfileRoot(__in_z LPCWSTR directoryPath);
static void QCALLTYPE InternalStartProfile(__in_z LPCWSTR wszProfile, INT_PTR ptrNativeAssemblyLoadContext);
};
#endif // __MULTICORE_JIT_H__