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debugsrv/runmodedebug/rmdriver/inc/rm_debug_driver.h
changeset 42 0ff24a8f6ca2
child 56 aa2539c91954 
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/debugsrv/runmodedebug/rmdriver/inc/rm_debug_driver.h	Fri Aug 27 11:37:29 2010 +0300
@@ -0,0 +1,199 @@
+// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+
+
+/**
+ @file
+ @internalTechnology
+ @released
+*/
+
+#ifndef __RM_DEBUG_DRIVER_H__
+#define __RM_DEBUG_DRIVER_H__
+
+#include "d_rmd_stepping.h"
+#include "d_rmd_breakpoints.h"
+#include "d_driver_event_info.h"
+
+// From mmboot.h header
+const TLinAddr	KDataSectionEnd			=0x40000000u;
+const TLinAddr	KRomLinearBase			=0xF8000000u;
+
+
+#define ROM_LINEAR_BASE KRomLinearBase
+
+// Result checking
+#define ReturnIfError(x) { TInt y = x; if (KErrNone != y) return y; }
+
+//
+// class DRM_DebugDriverFactory
+//
+class DRM_DebugDriverFactory : public DLogicalDevice
+{
+public:
+
+	DRM_DebugDriverFactory();
+	virtual TInt Install();
+	virtual void GetCaps(TDes8& aDes) const;
+	virtual TInt Create(DLogicalChannelBase*& aChannel);
+};
+
+class DRM_DebugEventHandler;
+//
+// DRM_DebugChannel
+//
+class DRM_DebugChannel : public DLogicalChannel
+{
+public:
+
+	DRM_DebugChannel(DLogicalDevice* aLogicalDevice);
+	~DRM_DebugChannel();
+
+	virtual TInt DoCreate(TInt aUnit, const TDesC* anInfo, const TVersion& aVer);	
+	virtual void HandleMsg(TMessageBase* aMsg);
+	virtual TInt SendMsg(TMessageBase* aMsg);
+	TInt SendRequest(TMessageBase* aMsg);
+	
+	//called from the event handler
+	TBool RemoveProcess(TAny* a1, TAny* a2);
+	TBool StartThread(TAny* a1, TAny* a2);
+	TBool AddLibrary(TAny* a1, TAny* a2);
+	TBool RemoveLibrary(TAny* a1, TAny* a2);
+	TBool HandleEventKillThread(TAny* a1, TAny* a2);
+	TBool HandleSwException(TAny* a1, TAny* a2);
+	TBool HandleHwException(TAny* a1, TAny* a2);
+	TBool HandleUserTrace(TAny* a1, TAny* a2);
+	TBool HandleUnsupportedEvent(TAny* a1, TAny* a2) { return EFalse; }
+	TBool HandleAddProcessEvent(TAny* a1, TAny* a2);
+	TBool HandleRemoveProcessEvent(TAny* a1, TAny* a2);
+	
+	// Used to be able to signal events to the DSS
+	DThread* ClientThread(void) {return iClientThread; };
+	
+protected:
+	virtual void DoCancel(TInt aReqNo);
+	virtual void DoRequest(TInt aReqNo, TRequestStatus* aStatus, TAny* a1, TAny* a2);
+	virtual TInt DoControl(TInt aFunction, TAny *a1, TAny *a2);
+	
+private:
+	TInt PreAsyncGetValue(Debug::TEventInfo* aValue, TRequestStatus* aStatus);
+	TInt CreateDfcQ();
+	void DestroyDfcQ();
+	TBool HandleInvalidOpCodeException(TDriverEventInfo& aEventInfo, DThread* aCurrentThread);
+
+	TInt SetBreak(TSetBreakInfo* aBreakInfo);
+	TInt StepRange(DThread* aThread, TRM_DebugStepInfo* aStepInfo);
+	TInt ReadMemory(DThread* aThread, TRM_DebugMemoryInfo* aMemoryInfo);
+	TInt WriteMemory(DThread* aThread, TRM_DebugMemoryInfo* aMemoryInfo);
+	TInt ReadRegistersLegacy(DThread* aThread, TRM_DebugRegisterInfo* aRegisterInfo);
+	TInt WriteRegistersLegacy(DThread* aThread, const TRM_DebugRegisterInfo* aRegisterInfo);
+	TInt ReadRegisters(DThread* aThread, TRM_DebugRegisterInformation* aRegisterInfo) const;
+	TInt WriteRegisters(DThread* aThread, TRM_DebugRegisterInformation* aRegisterInfo) const;
+	TInt GetProcessInfo(TInt aIndex, TRM_DebugTaskInfo* aTaskInfo);
+	TInt GetThreadInfo(TInt aIndex, TRM_DebugTaskInfo* aTaskInfo);
+	TInt GetList(TListInformation* aListInformation) const;
+	
+	TInt Step(const TUint32 aThreadId, const TUint32 aNumSteps);
+	TInt KillProcess(const TUint32 aProcessId, const TInt aReason);
+
+	//Crash Flash	
+	TInt ReadCrashLog(TFlashInfo* aBuffer);
+	TInt WriteCrashLog(TFlashInfo* aBuffer) const;
+	TInt EraseCrashLog();
+
+	// Stop/go
+	TInt DoSuspendThread(DThread *aThread);
+	TInt DoResumeThread(DThread *aThread);
+	TInt DoStepRange(DThread *aThread, const TUint32 aStartAddress, const TUint32 aStopAddress, TBool aStepInto, TBool aResumeOnceOutOfRange, const TUint32 aNumSteps, TBool aUserRequest = EFalse);
+	TInt DoReadMemory(const DThread *aThread, const TUint32 aAddress, const TUint32 aLength, TDes8 &aData) const;
+	TInt DoWriteMemory(DThread *aThread, const TUint32 aAddress, const TUint32 aLength, TDes8 &aData);
+	TInt DoReadRegisters(DThread *aThread, const TInt16 aFirstRegister, const TInt16 aLastRegister, TDes8 &aValues);
+	TInt DoReadRegisters(DThread *aThread, const TDesC8 &aRegisterIds, TDes8 &aRegisterValues, TDes8 &aRegisterFlags) const;
+	TInt DoWriteRegisters(DThread *aThread, const TInt16 aFirstRegister, const TInt16 aLastRegister, TDesC8 &aValues);
+	TInt DoWriteRegisters(DThread *aThread, const TDesC8 &aRegisterIds, TDesC8 &aRegisterValues, TDes8 &aRegisterFlags) const;
+	TInt DoGetProcessInfo(const TInt aIndex, TRM_DebugTaskInfo *aInfo);
+	TInt DoGetThreadInfo(const TInt aIndex, TRM_DebugTaskInfo *aInfo);
+	TBool DoSecurityCheck();
+
+	TInt TryToReadMemory(const DThread *aThread, const TAny *aSrc, TAny *aDest, const TUint32 aLength) const;
+	TInt TryToWriteMemory(const DThread *aThread, TAny *aDest, const TAny *aSrc, const TUint32 aLength);
+	TInt32 ReadRegister(DThread *aThread, TInt aNum);
+	TInt32 ReadDebugRegisterValue(DThread *aThread, const Debug::TRegisterInfo aDebugRegisterId, T4ByteRegisterValue &aValue) const;
+	TInt32 ReadKernelRegisterValue(DThread *aThread, const TArmReg aKernelRegisterId, T4ByteRegisterValue &aValue) const;
+	
+	void NotifyEvent(const TDriverEventInfo& aEventInfo);
+
+	TInt GetTRegisterInfo(const TDesC8 &aRegisterIds, const TUint aIndex, Debug::TRegisterInfo &aValue) const;
+	TInt GetDebugRegisterId(const TArmReg aKernelRegister, Debug::TRegisterInfo& aDebugRegister) const;
+	TInt GetKernelRegisterId(const Debug::TRegisterInfo aDebugRegister, TArmReg& aKernelRegister) const;
+	TBool GetFlagAtOffset(const TUint32 aFlags, const TArmReg aIndex) const;
+
+	TInt AllocAndReadDes(DThread *aThread, const TDesC8& aSrcDes, TPtr8& aDestDes, const TBool aReadFromClient=ETrue, const TUint aOffset=0) const;
+
+	TInt AttachProcess(TAny* a1, TAny* a2);
+	TInt DetachProcess(TAny* a1, TAny* a2);
+	TInt DetachAgent(TAny* a1, TAny* a2);
+	TInt SetEventAction(TAny* a1, TAny* a2);
+	TBool CheckSuspended(const DThread *aThread) const;
+
+	// Needed so moved functions can access iBreakpoint list and related functions
+	friend class D_RMD_Breakpoints;
+	// Needed so moved functions can access stepping functionality
+	friend class DRMDStepping;
+
+	// helper function was previously in rm_debug_kerneldriver.cpp
+	inline TInt Bitcount(TUint32 val)
+		{
+			TInt nbits;
+
+			for (nbits = 0; val != 0; nbits++)
+			{
+				val &= val - 1;		// delete rightmost 1-bit in val
+			}
+			
+			return nbits;
+		}
+
+	// Security critical - this returns whether the specified process is debuggable or not
+	TInt IsDebuggable(const TUint32 aProcessId);
+	
+	TInt NotifyAgentsFromEventPid(const TDriverEventInfo& aEventInfo);
+
+private:
+	DThread* iClientThread;
+	DRM_DebugEventHandler* iEventHandler;
+	
+	TUint32 iExcludedROMAddressStart;
+	TUint32 iExcludedROMAddressEnd;
+	
+	TUint32 iPageSize;
+	
+	RArray<Debug::TProcessInfo> iDebugProcessList; //processes that we are debugging
+
+	D_RMD_Breakpoints* iBreakManager;	// new D_RMD_Breakpoints
+
+	DRMDStepping* iStepper;				// new DRMDStepping
+
+	DSemaphore* iStepLock;				// Synchronisation for stepping code.
+
+	TDynamicDfcQue* iDfcQ;
+
+	TBool	iInitialisedCodeModifier;	// Ensures we control its lifetime
+
+	TClientDataRequest<Debug::TEventInfo>* iAsyncGetValueRequest;
+};
+
+#endif //__RM_DEBUG_DRIVER_H__
FCL/sf/os/osrndtools