--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/dbgagents/trkagent/eka2driver/TrkDriver.h Tue Mar 02 10:33:16 2010 +0530
@@ -0,0 +1,351 @@
+/*
+* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).
+* All rights reserved.
+* This component and the accompanying materials are made available
+* under the terms of "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:
+*
+*/
+
+
+#ifndef __TRKDRIVER_H__
+#define __TRKDRIVER_H__
+
+// Debug messages
+#ifdef _DEBUG
+#define LOG_MSG(x) __KTRACE_OPT(KDEBUGGER, Kern::Printf(x))
+#define LOG_MSG2(x, y) __KTRACE_OPT(KDEBUGGER, Kern::Printf(x, y))
+#else
+#define LOG_MSG(x)
+#define LOG_MSG2(x, y)
+#endif
+
+
+//
+// Macros
+//
+const TUint32 KArmBreakPoint = 0xE7F123F4;
+const TUint16 KThumbBreakPoint = 0xDE56;
+
+// From mmboot.h header
+const TLinAddr KDataSectionEnd =0x40000000u;
+const TLinAddr KRomLinearBase =0xF8000000u;
+
+const TLinAddr KSuperPageMovingLinAddr =0x60000000u;
+const TLinAddr KSuperPageMultipleLinAddr =0xC0000000u;
+const TLinAddr KKernDataEndMovingLinAddr =0x655FFFFFu;//0xF3FFFFFFu;
+const TLinAddr KKernDataEndMultipleLinAddr =0xFFEFFFFFu;
+
+#define NUMBER_OF_TEMP_BREAKPOINTS 10
+#define NUMBER_OF_EVENTS_TO_QUEUE 50
+#define NUMBER_OF_LIBS_TO_REGISTER 100
+#define ROM_LINEAR_BASE KRomLinearBase
+
+//for multiple memory model
+#define NUMBER_OF_MAX_BREAKPOINTS 100
+
+// Result checking
+#define ReturnIfError(x) { TInt y = x; if (KErrNone != y) return y; }
+
+// Register definitions
+#define SP_REGISTER 13
+#define LINK_REGISTER 14
+#define PC_REGISTER 15
+#define STATUS_REGISTER 16
+
+// ARM instruction bitmasks
+#define ARM_OPCODE(x) (((TUint32)(x) & 0x0E000000) >> 25)
+
+// Generic instruction defines
+#define ARM_RM(x) ((TUint32)(x) & 0x0000000F) // bit 0- 4
+#define ARM_RS(x) (((TUint32)(x) & 0x00000F00) >> 8) // bit 8-11
+#define ARM_RD(x) (((TUint32)(x) & 0x0000F000) >> 12) // bit 12-15
+#define ARM_RN(x) (((TUint32)(x) & 0x000F0000) >> 16) // bit 16-19
+#define ARM_LOAD(x) (((TUint32)(x) & 0x00100000) >> 20) // bit 20
+
+// Data processing instruction defines
+#define ARM_DATA_SHIFT(x) (((TUint32)(x) & 0x00000060) >> 5) // bit 5- 6
+#define ARM_DATA_C(x) (((TUint32)(x) & 0x00000F80) >> 7) // bit 7-11
+#define ARM_DATA_IMM(x) ((TUint32)(x) & 0x000000FF) // bit 0-7
+#define ARM_DATA_ROT(x) (((TUint32)(x) & 0x00000F00) >> 8) // bit 8-11
+
+// Single date transfer instruction defines
+#define ARM_SINGLE_IMM(x) ((TUint32)(x) & 0x00000FFF) // bit 0-11
+#define ARM_SINGLE_BYTE(x) (((TUint32)(x) & 0x00400000) >> 22) // bit 22
+#define ARM_SINGLE_U(x) (((TUint32)(x) & 0x00800000) >> 23) // bit 23
+#define ARM_SINGLE_PRE(x) (((TUint32)(x) & 0x01000000) >> 24) // bit 24
+
+// Block data transfer instruction defines
+#define ARM_BLOCK_REGLIST(x) ((TUint32)(x) & 0x0000FFFF) // bit 0-15
+#define ARM_BLOCK_U(x) (((TUint32)(x) & 0x00800000) >> 23) // bit 23
+#define ARM_BLOCK_PRE(x) (((TUint32)(x) & 0x01000000) >> 24) // bit 24
+
+// Branch instruction defines
+#define ARM_B_ADDR(x) ((x & 0x00800000) ? ((TUint32)(x) & 0x00FFFFFF | 0xFF000000) : (TUint32)(x) & 0x00FFFFFF)
+#define ARM_INSTR_B_DEST(x,a) (ARM_B_ADDR(x) << 2) + ((TUint32)(a) + 8)
+
+#define ARM_CARRY_BIT 0x20000000 // bit 30
+
+
+// Thumb instruction bitmasks
+#define THUMB_OPCODE(x) (((TUint16)(x) & 0xF800) >> 11)
+#define THUMB_INST_7_15(x) (((TUint16)(x) & 0xFF80) >> 7)
+#define THUMB_INST_8_15(x) (((TUint16)(x) & 0xFF00) >> 8)
+
+
+const TUint8 KArm4Stub[8] = { 0x00, 0xC0, 0x9F, 0xE5, 0x00, 0xF0, 0x9C, 0xE5 };
+const TUint8 KArmIStub[12] = { 0x04, 0xC0, 0x9F, 0xE5, 0x00, 0xC0, 0x9C, 0xE5, 0x1C, 0xFF, 0x2F, 0xE1 };
+const TUint8 KFastArmIStub[12] = { 0x04, 0xC0, 0x9F, 0xE5, 0x1C, 0xFF, 0x2F, 0xE1, 0x00, 0x00, 0x00, 0x00 };
+const TUint8 KThumbStub[12] = { 0x40, 0xB4, 0x02, 0x4E, 0x36, 0x68, 0xB4, 0x46, 0x40, 0xBC, 0x60, 0x47 };
+const TUint8 KThumbStub2[8] = { 0x01, 0x4B, 0x1B, 0x68, 0x18, 0x47, 0xC0, 0x46 };
+const TUint8 KFastThumbStub[12] = { 0x40, 0xB4, 0x02, 0x4E, 0xB4, 0x46, 0x40, 0xBC, 0x60, 0x47, 0xC0, 0x46 };
+const TUint8 KFastThumbStub2[8] = { 0x01, 0x4B, 0x18, 0x47, 0xC0, 0x46, 0xC0, 0x46 };
+
+const unsigned char KRvctArm4Stub[4] = { 0x04, 0xF0, 0x1F, 0xE5 };
+
+//
+// class TBreakEntry
+//
+class TBreakEntry
+{
+public:
+
+ inline TBreakEntry() { Reset(); };
+
+ inline TBreakEntry(TUint32 aId, TUint32 aThreadId, TUint32 aAddress, TBool aThumbMode)
+ : iId(aId),
+ iThreadId(aThreadId),
+ iAddress(aAddress),
+ iThumbMode(aThumbMode)
+ {
+ iInstruction.FillZ(4);
+ iPageAddress = 0;
+ iDisabledForStep = EFalse;
+ iObsoleteLibraryBreakpoint = EFalse;
+ iResumeOnceOutOfRange = EFalse;
+ iSteppingInto = EFalse;
+ iRangeStart = 0;
+ iRangeEnd = 0;
+ iThreadSpecific = EFalse;
+ };
+
+ inline void Reset()
+ {
+ iThreadId = 0;
+ iAddress = 0;
+ iThumbMode = EFalse;
+ iInstruction.FillZ(4);
+ iPageAddress = 0;
+ iDisabledForStep = EFalse;
+ iObsoleteLibraryBreakpoint = EFalse;
+ iResumeOnceOutOfRange = EFalse;
+ iSteppingInto = EFalse;
+ iRangeStart = 0;
+ iRangeEnd = 0;
+ };
+
+public:
+
+ TInt32 iId;
+ TUint32 iThreadId;
+ TUint32 iAddress;
+ TBool iThumbMode;
+ TBuf8<4> iInstruction;
+ TUint32 iPageAddress;
+ TBool iDisabledForStep;
+ TBool iObsoleteLibraryBreakpoint;
+ TBool iResumeOnceOutOfRange;
+ TBool iSteppingInto;
+ TUint32 iRangeStart;
+ TUint32 iRangeEnd;
+ TBool iThreadSpecific;
+};
+
+class TProcessInfo
+{
+ public:
+
+ inline TProcessInfo() { Reset(); }
+
+ inline TProcessInfo(TUint32 aId, TUint32 aCodeAddress, TUint32 aCodeSize, TUint32 aDataAddress)
+ : iId(aId),
+ iCodeAddress(aCodeAddress),
+ iCodeSize(aCodeSize),
+ iDataAddress(aDataAddress) { }
+
+ inline void Reset()
+ {
+ iId = 0;
+ iCodeAddress = 0;
+ iCodeSize = 0;
+ iDataAddress = 0;
+ }
+
+ public:
+ TUint32 iId;
+ TUint32 iCodeAddress;
+ TUint32 iCodeSize;
+ TUint32 iDataAddress;
+};
+
+
+//
+// class DMetroTrkDriverFactory
+//
+class DMetroTrkDriverFactory : public DLogicalDevice
+{
+public:
+
+ DMetroTrkDriverFactory();
+ virtual TInt Install();
+ virtual void GetCaps(TDes8& aDes) const;
+ virtual TInt Create(DLogicalChannelBase*& aChannel);
+};
+
+class DMetroTrkEventHandler;
+//
+// DMetroTrkChannel
+//
+class DMetroTrkChannel : public DLogicalChannel
+{
+public:
+
+ DMetroTrkChannel(DLogicalDevice* aLogicalDevice);
+ ~DMetroTrkChannel();
+
+ virtual TInt DoCreate(TInt aUnit, const TDesC* anInfo, const TVersion& aVer);
+ virtual void HandleMsg(TMessageBase* aMsg);
+
+ //called from the event handler
+ void AddProcess(DProcess *aProcess, DThread* aThread);
+ void StartThread(DThread *aThread);
+ void RemoveProcess(DProcess *aProcess);
+ void AddLibrary(DLibrary *aLibrary, DThread *aThread);
+ void RemoveLibrary(DLibrary *aLibrary);
+ void AddCodeSegment(DCodeSeg *aCodeSeg, DProcess *aProcess);
+ void RemoveCodeSegment(DCodeSeg *aCodeSeg, DProcess *aProcess);
+ TBool HandleEventKillThread(DThread* aThread);
+ TBool HandleSwException(TExcType aExcType);
+ TBool HandleHwException(TArmExcInfo* aExcInfo);
+ TBool HandleUserTrace(TText* aStr, TInt aLen);
+
+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:
+ void HandleException(SEventInfo& aEventInfo, DThread* aCurrentThread);
+
+ TInt SetBreak(TUint32 aThreadId, TMetroTrkBreakInfo* aBreakInfo);
+ TInt StepRange(DThread* aThread, TMetroTrkStepInfo* aStepInfo);
+ TInt ReadMemory(DThread* aThread, TMetroTrkMemoryInfo* aMemoryInfo);
+ TInt WriteMemory(DThread* aThread, TMetroTrkMemoryInfo* aMemoryInfo);
+ TInt ReadRegisters(DThread* aThread, TMetroTrkRegisterInfo* aRegisterInfo);
+ TInt WriteRegisters(DThread* aThread, TMetroTrkRegisterInfo* aRegisterInfo);
+ TInt GetProcessInfo(TInt aIndex, TMetroTrkTaskInfo* aTaskInfo);
+ TInt GetThreadInfo(TInt aIndex, TMetroTrkTaskInfo* aTaskInfo);
+ TInt GetProcessAddresses(DThread* aThread, TMetroTrkProcessInfo* aProcessInfo);
+ TInt GetStaticLibraryInfo(TInt aIndex, SEventInfo* aEventInfo);
+ TInt GetLibraryInfo(TMetroTrkLibInfo* aLibInfo);
+ TInt GetExeInfo(TMetroTrkExeInfo* aExeInfo);
+ TInt GetProcUidInfo(TMetroTrkProcUidInfo* aProcUidInfo);
+ TInt DetachProcess(DProcess* aProcess);
+
+ TInt DoSetBreak(const TUint32 aProcessId, const TUint32 aThreadId, const TUint32 aAddress, const TBool aThumbMode, TInt32 &aId);
+ TInt DoEnableBreak(TBreakEntry &aEntry, TBool aSaveOldInstruction);
+ TInt DoClearBreak(const TInt32 aId);
+ TInt DoChangeBreakThread(TUint32 aThreadId, TInt32 aId);
+ TInt DoSuspendThread(DThread *aThread);
+ TInt DoResumeThread(DThread *aThread);
+ TInt DoStepRange(DThread *aThread, const TUint32 aStartAddress, const TUint32 aStopAddress, TBool aStepInto, TBool aResumeOnceOutOfRange, TBool aUserRequest = EFalse);
+ TInt DoReadMemory(DThread *aThread, const TUint32 aAddress, const TInt16 aLength, TDes8 &aData);
+ TInt DoWriteMemory(DThread *aThread, const TUint32 aAddress, const TInt16 aLength, TDes8 &aData);
+ TInt DoReadRegisters(DThread *aThread, const TInt16 aFirstRegister, const TInt16 aLastRegister, TDes8 &aValues);
+ TInt DoWriteRegisters(DThread *aThread, const TInt16 aFirstRegister, const TInt16 aLastRegister, TDesC8 &aValues);
+ TInt DoGetProcessInfo(const TInt aIndex, TMetroTrkTaskInfo *aInfo);
+ TInt DoGetThreadInfo(const TInt aIndex, TMetroTrkTaskInfo *aInfo);
+ TInt DoGetProcessAddresses(DThread *aThread, TUint32 &aCodeAddress, TUint32 &aDataAddress);
+ TInt DoGetStaticLibraryInfo(const TInt aIndex, SEventInfo *aInfo);
+ TInt DoGetLibraryInfo(TDesC8 &aDllName, TMetroTrkLibInfo* aLibInfo);
+ TInt DoGetExeInfo(TDesC8 &aExeName, TMetroTrkExeInfo* aExeInfo);
+ TInt DoGetProcUidInfo(TMetroTrkProcUidInfo* aProcUidInfo);
+
+ TBool DoSecurityCheck();
+ TInt TryToReadMemory(DThread *aThread, TAny *aSrc, TAny *aDest, TInt16 aLength);
+ TInt TryToWriteMemory(DThread *aThread, TAny *aDest, TAny *aSrc, TInt16 aLength);
+ TInt32 ReadRegister(DThread *aThread, TInt aNum);
+ TInt ModifyBreaksForStep(DThread *aThread, TUint32 aRangeStart, TUint32 aRangeEnd, TBool aStepInto, TBool aResumeOnceOutOfRange, TBool aCheckForStubs);
+ TBool IsExecuted(TUint8 aCondition, TUint32 aStatusRegister);
+ void ClearAllBreakPoints();
+ TInt DisableBreakAtAddress(TUint32 aAddress);
+ TInt DoEnableDisabledBreak(TUint32 aThreadId);
+ TUint32 ShiftedRegValue(DThread *aThread, TUint32 aInstruction, TUint32 aCurrentPC, TUint32 aStatusRegister);
+ TBool InstructionModifiesPC(DThread *aThread, TUint8 *aInstruction, TBool aThumbMode, TBool aStepInto);
+ TUint32 PCAfterInstructionExecutes(DThread *aThread, TUint32 aCurrentPC, TUint32 aStatusRegister, TInt aInstSize, TBool aStepInto, TUint32 &aNewRangeEnd, TBool &aChangingModes);
+ void DecodeDataProcessingInstruction(TUint8 aOpcode, TUint32 aOp1, TUint32 aOp2, TUint32 aStatusRegister, TUint32 &aBreakAddress);
+ TBool IsPreviousInstructionMovePCToLR(DThread *aThread);
+
+ TBool IsAddressInRom(TUint32 aAddress);
+ TBool IsAddressSecure(TUint32 aAddress);
+ TBool IsRegisterSecure(TInt registerIndex);
+
+ TInt AllocateShadowPageIfNecessary(TUint32 aAddress, TUint32 &aPageAddress);
+ TInt FreeShadowPageIfNecessary(TUint32 aAddress, TUint32 aPageAddress);
+
+ void NotifyEvent(SEventInfo aEventInfo, TBool isTraceEvent=EFalse);
+ DThread* ThreadFromId(TUint32 aId);
+ DProcess* ProcessFromId(TUint32 aId);
+ TBool GetSystemThreadRegisters(TArmRegSet* aArmRegSet);
+ TInt DoGetLibInfoFromCodeSegList(TDesC8 &aDllName, TMetroTrkLibInfo *aInfo);
+ TInt DoGetLibInfoFromKernLibContainer(TDesC8 &aDllName, TMetroTrkLibInfo *aInfo);
+
+ TBool HasManufacturerCaps(DThread* aThread);
+ TBool IsBeingDebugged(const DThread* aThread);
+
+ void CheckLibraryNotifyList(TUint32 aProcessId);
+
+private:
+ DThread* iClientThread;
+ DMetroTrkEventHandler* iEventHandler;
+
+ TUint32 iExcludedROMAddressStart;
+ TUint32 iExcludedROMAddressEnd;
+
+ RArray<TBreakEntry> iBreakPointList;
+ TInt iNextBreakId;
+
+ SEventInfo *iEventInfo;
+ RArray<SEventInfo> iEventQueue;
+ RArray<SEventInfo> iTraceEventQueue;
+ TRequestStatus* iRequestGetEventStatus;
+
+ TUint32 iPageSize;
+
+ TBool iNotifyLibLoadedEvent;
+ TBool iMultipleMemModel;
+
+ RArray<TProcessInfo> iDebugProcessList; //processes that we are debugging
+ RArray<SEventInfo> iProcessNotifyList;
+
+ TDfcQue* iDFCQue;
+
+ TArmExcInfo iCurrentExcInfo;
+ TBool iExcInfoValid;
+ TBool iDebugging;
+ // PANIC_BACKPORT
+ RPointerArray<NFastSemaphore> iFrozenThreadSemaphores;
+ // END PANIC_BACKPORT
+ RArray<TTrkLibName> iLibraryNotifyList;
+
+};
+
+#endif //__TRKDRIVER_H__