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/*
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* Copyright (c) 2004 Nokia Corporation and/or its subsidiary(-ies).
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* All rights reserved.
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* This component and the accompanying materials are made available
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* under the terms of "Eclipse Public License v1.0"
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* which accompanies this distribution, and is available
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* at the URL "http://www.eclipse.org/legal/epl-v10.html".
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*
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* Initial Contributors:
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* Nokia Corporation - initial contribution.
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*
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* Contributors:
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*
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* Description:
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*
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*/
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#ifdef __WINS__
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#error - this driver cannot be built for emulation
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#endif
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#include <e32def.h>
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#include <e32cmn.h>
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#include <u32std.h>
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#include <kernel.h>
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#include <kern_priv.h>
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#include <nk_trace.h>
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//#include <mmboot.h>
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#include <arm.h>
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#include <cache.h>
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#include <platform.h>
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#include <nkern.h>
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#include <u32hal.h>
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#include "TrkKernelDriver.h"
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#include "TrkDriver.h"
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#include "TrkEventHandler.h"
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#define KTrkAppSecurUid 0x200170BB
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#define KTrkExeSecurUid 0x200159E2
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#define KTrkSrvSecurUid 0x200170B7
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// Uncomment the line below for reading kernel thread registers.
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// There is a problem using NKern::Lock before calling UserContextType on old releases like S60 3.0
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// So for now, disabling the supporting reading kern thread registers as we are not really supporting
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// device driver debugging anyway.
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//#define SUPPORT_KERNCONTEXT
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//
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// Static function definitions
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//
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static TInt Bitcount(TUint32 val)
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{
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TInt nbits;
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for (nbits = 0; val != 0; nbits++)
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{
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val &= val - 1; // delete rightmost 1-bit in val
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}
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return nbits;
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}
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static TUint8 tolower(TUint8 c)
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{
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if (c >= 'A' && c <= 'Z')
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c = c + ('a' - 'A');
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return c;
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}
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static TInt _strnicmp(const TUint8 *s1, const TUint8 *s2, int n)
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{
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int i;
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TUint8 c1, c2;
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for (i=0; i<n; i++)
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{
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c1 = tolower(*s1++);
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c2 = tolower(*s2++);
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if (c1 < c2) return -1;
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if (c1 > c2) return 1;
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if (!c1) return 0;
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}
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return 0;
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}
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//
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//
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// DMetroTrkDriverFactory implementation
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//
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//
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//
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// DMetroTrkDriverFactory constructor
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//
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DMetroTrkDriverFactory::DMetroTrkDriverFactory()
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{
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iVersion = TVersion(KMajorVersionNumber,KMinorVersionNumber,KBuildVersionNumber);
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}
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//
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// DMetroTrkDriverFactory::Create
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//
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TInt DMetroTrkDriverFactory::Create(DLogicalChannelBase*& aChannel)
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{
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if (iOpenChannels != 0)
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return KErrInUse; // a channel is already open
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aChannel = new DMetroTrkChannel(this);
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return aChannel ? KErrNone : KErrNoMemory;
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}
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//
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// DMetroTrkDriverFactory::Install
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//
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TInt DMetroTrkDriverFactory::Install()
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{
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return(SetName(&KMetroTrkDriverName));
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}
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//
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// DMetroTrkDriverFactory::Install
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//
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void DMetroTrkDriverFactory::GetCaps(TDes8& aDes) const
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{
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TCapsMetroTrkDriver b;
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b.iVersion = TVersion(KMajorVersionNumber, KMinorVersionNumber, KBuildVersionNumber);
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Kern::InfoCopy(aDes,(TUint8*)&b, sizeof(b));
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}
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//
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//
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// DMetroTrkChannel implementation
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//
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//
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//
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// DMetroTrkChannel constructor
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//
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DMetroTrkChannel::DMetroTrkChannel(DLogicalDevice* aLogicalDevice)
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: iExcludedROMAddressStart(ROM_LINEAR_BASE),
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iExcludedROMAddressEnd(0),
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iBreakPointList(NUMBER_OF_TEMP_BREAKPOINTS, 0),
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iNextBreakId(NUMBER_OF_TEMP_BREAKPOINTS),
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iEventInfo(NULL),
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iEventQueue(NUMBER_OF_EVENTS_TO_QUEUE, 0),
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iTraceEventQueue(NUMBER_OF_EVENTS_TO_QUEUE, 0),
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iRequestGetEventStatus(NULL),
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iPageSize(0x1000),
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iNotifyLibLoadedEvent(ETrue),
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iMultipleMemModel(EFalse),
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iExcInfoValid(EFalse),
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iDebugging(ETrue)
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{
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LOG_MSG("DMetroTrkChannel::DMetroTrkChannel()");
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iDevice = aLogicalDevice;
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iClientThread = &Kern::CurrentThread();
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TInt err = iClientThread->Open();
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iBreakPointList.Reset();
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TBreakEntry emptyTempBreak;
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for (TInt i = 0; i < NUMBER_OF_TEMP_BREAKPOINTS; i++)
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{
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emptyTempBreak.iId = i;
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if (KErrNone != iBreakPointList.Append(emptyTempBreak))
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{
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LOG_MSG("Error appending blank temp break entry");
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}
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}
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SEventInfo emptyEvent;
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for (TInt i=0; i<NUMBER_OF_EVENTS_TO_QUEUE; i++)
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{
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if (KErrNone != iEventQueue.Append(emptyEvent))
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{
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LOG_MSG("Error appending blank event entry");
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}
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}
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for (TInt i=0; i<NUMBER_OF_EVENTS_TO_QUEUE; i++)
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{
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if (KErrNone != iTraceEventQueue.Append(emptyEvent))
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{
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LOG_MSG("Error appending blank trace event entry");
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}
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}
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TTrkLibName emptyLib;
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for (TInt i=0; i<NUMBER_OF_LIBS_TO_REGISTER; i++)
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{
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if (KErrNone != iLibraryNotifyList.Append(emptyLib))
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{
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LOG_MSG("Error appending blank empty lib entry");
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}
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}
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iPageSize = Kern::RoundToPageSize(1);
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}
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//
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// DMetroTrkChannel destructor
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//
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DMetroTrkChannel::~DMetroTrkChannel()
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{
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LOG_MSG("DMetroTrkChannel::~DMetroTrkChannel()");
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iDebugging = EFalse;
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Kern::SafeClose((DObject*&)iClientThread, NULL);
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ClearAllBreakPoints();
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// close the breakpoint list and free the memory associated with it
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iBreakPointList.Close();
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// close the event queue and free the memory associated with it
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iEventQueue.Close();
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// close the trace event queue and free the memory associated with it
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iTraceEventQueue.Close();
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//close the debug process list
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iDebugProcessList.Close();
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//close the process notify list
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iProcessNotifyList.Close();
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//close the code modifier
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DebugSupport::CloseCodeModifier();
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// PANIC_BACKPORT
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// Resume all the frozen threads with semaphores.
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for(TInt i=0; i<iFrozenThreadSemaphores.Count(); i++)
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{
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NKern::FSSignal(iFrozenThreadSemaphores[i]);
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NKern::ThreadEnterCS();
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delete iFrozenThreadSemaphores[i];
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NKern::ThreadLeaveCS();
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iFrozenThreadSemaphores.Remove(i);
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}
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//Reset the array and delete the objects that its members point to
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iFrozenThreadSemaphores.ResetAndDestroy();
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// END PANIC_BACKPORT
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}
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//
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// DMetroTrkChannel::DoCreate
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//
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TInt DMetroTrkChannel::DoCreate(TInt /*aUnit*/, const TDesC* anInfo, const TVersion& aVer)
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{
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LOG_MSG("DMetroTrkChannel::DoCreate()");
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if (!Kern::QueryVersionSupported(TVersion(KMajorVersionNumber, KMinorVersionNumber, KBuildVersionNumber), aVer))
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return KErrNotSupported;
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// Do the security check here so that any arbitrary application doesn't make
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// use of Trk kernel driver.
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if (!DoSecurityCheck())
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{
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return KErrPermissionDenied;
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}
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if (anInfo)
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{
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// this is the end address of the user library.
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// this doesn't seem to be valid for EKA2.
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// right now we dont need this for EKA2 since we are not worried
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// about kernel being stopped as kernel is multithreaded.
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// just retaining this for future use.
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TBuf8<32> buf;
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TInt err = Kern::ThreadRawRead(iClientThread, anInfo, &buf, 32);
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if(err != KErrNone)
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return err;
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//iExcludedROMAddressEnd = *(TUint32 *)(&(buf.Ptr()[20]));
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}
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//check whether the memory model is multiple or not.
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TUint32 memModelAttrib = (TUint32)Kern::HalFunction(EHalGroupKernel, EKernelHalMemModelInfo, NULL, NULL);
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if ((memModelAttrib & EMemModelTypeMask) == EMemModelTypeMultiple)
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{
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//Multiple memory model
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iMultipleMemModel = ETrue;
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}
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TUint caps; //ignored for now
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TInt err = DebugSupport::InitialiseCodeModifier(caps, NUMBER_OF_MAX_BREAKPOINTS);
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//if code modifier initializer failed,
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//return here, since we can't set an breakpoints
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if(err != KErrNone)
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return err;
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//Setup the driver for receiving client messages
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iDFCQue = NULL;
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TBuf8<KMaxInfoName> trkDFC = _L8("TRK DFC");
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err = Kern::DfcQCreate(iDFCQue, 27, &trkDFC);
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if (err == KErrNone)
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{
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SetDfcQ(iDFCQue);
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}
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else
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{
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SetDfcQ(Kern::DfcQue0());
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}
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iMsgQ.Receive();
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iEventHandler = new DMetroTrkEventHandler;
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if (!iEventHandler)
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return KErrNoMemory;
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err = iEventHandler->Create(iDevice, this, iClientThread);
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if (err != KErrNone)
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return err;
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return iEventHandler->Start();
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}
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//
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// DMetroTrkChannel::DoCancel
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//
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void DMetroTrkChannel::DoCancel(TInt aReqNo)
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{
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LOG_MSG("DMetroTrkChannel::DoCancel()");
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switch(aReqNo)
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{
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case RMetroTrkDriver::ERequestGetEventCancel:
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{
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Kern::RequestComplete(iClientThread, iRequestGetEventStatus, KErrCancel);
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iEventInfo = NULL;
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iRequestGetEventStatus = 0;
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}
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break;
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}
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}
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//
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// DMetroTrkChannel::DoRequest
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//
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void DMetroTrkChannel::DoRequest(TInt aReqNo, TRequestStatus* aStatus, TAny* a1, TAny* a2)
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{
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LOG_MSG("DMetroTrkChannel::DoRequest()");
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switch(aReqNo)
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{
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case RMetroTrkDriver::ERequestGetEvent:
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{
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// check to see if we have any queued up events
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for (TInt i=0; i<NUMBER_OF_EVENTS_TO_QUEUE; i++)
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{
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if (SEventInfo::EUnknown != iEventQueue[i].iEventType)
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{
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LOG_MSG("DoRequest - slot NOT empty");
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// iClientThread is the user side debugger thread, so use it to write the info to it memory
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TInt err = Kern::ThreadRawWrite(iClientThread, a1, (TUint8 *)&iEventQueue[i], sizeof(SEventInfo), iClientThread);
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if (KErrNone != err)
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LOG_MSG2("Error writing event info: %d", err);
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// signal the debugger thread
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Kern::RequestComplete(iClientThread, aStatus, KErrNone);
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iEventQueue[i].Reset();
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return;
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}
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|
378 |
LOG_MSG("DoRequest - slot empty");
|
|
|
379 |
}
|
|
|
380 |
|
|
|
381 |
// check to see if we have any queued up trace events
|
|
|
382 |
for (TInt i=0; i<NUMBER_OF_EVENTS_TO_QUEUE; i++)
|
|
|
383 |
{
|
|
|
384 |
if (SEventInfo::EUnknown != iTraceEventQueue[i].iEventType)
|
|
|
385 |
{
|
|
|
386 |
LOG_MSG("DoRequest - slot NOT empty");
|
|
|
387 |
// iClientThread is the user side debugger thread, so use it to write the info to it memory
|
|
|
388 |
TInt err = Kern::ThreadRawWrite(iClientThread, a1, (TUint8 *)&iTraceEventQueue[i], sizeof(SEventInfo), iClientThread);
|
|
|
389 |
if (KErrNone != err)
|
|
|
390 |
LOG_MSG2("Error writing trace event info: %d", err);
|
|
|
391 |
|
|
|
392 |
// signal the debugger thread
|
|
|
393 |
Kern::RequestComplete(iClientThread, aStatus, KErrNone);
|
|
|
394 |
|
|
|
395 |
iTraceEventQueue[i].Reset();
|
|
|
396 |
return;
|
|
|
397 |
}
|
|
|
398 |
|
|
|
399 |
LOG_MSG("DoRequest - trace slot empty");
|
|
|
400 |
}
|
|
|
401 |
|
|
|
402 |
// store the pointer so we can modify it later
|
|
|
403 |
iEventInfo = (SEventInfo *)a1;
|
|
|
404 |
iRequestGetEventStatus = aStatus;
|
|
|
405 |
break;
|
|
|
406 |
}
|
|
|
407 |
default:
|
|
|
408 |
Kern::RequestComplete(iClientThread, aStatus, KErrNotSupported);
|
|
|
409 |
}
|
|
|
410 |
|
|
|
411 |
}
|
|
|
412 |
|
|
|
413 |
//
|
|
|
414 |
// DMetroTrkChannel::DoControl
|
|
|
415 |
//
|
|
|
416 |
TInt DMetroTrkChannel::DoControl(TInt aFunction, TAny* a1, TAny* a2)
|
|
|
417 |
{
|
|
|
418 |
LOG_MSG("DMetroTrkChannel::DoControl()");
|
|
|
419 |
|
|
|
420 |
LOG_MSG2("DoControl Function %d", aFunction);
|
|
|
421 |
|
|
|
422 |
TInt err = KErrNone;
|
|
|
423 |
|
|
|
424 |
switch(aFunction)
|
|
|
425 |
{
|
|
|
426 |
case RMetroTrkDriver::EControlSetBreak:
|
|
|
427 |
{
|
|
|
428 |
err = SetBreak((TUint32)a1, (TMetroTrkBreakInfo*)a2);
|
|
|
429 |
break;
|
|
|
430 |
}
|
|
|
431 |
case RMetroTrkDriver::EControlClearBreak:
|
|
|
432 |
{
|
|
|
433 |
err = DoClearBreak((TInt32)a1);
|
|
|
434 |
break;
|
|
|
435 |
}
|
|
|
436 |
case RMetroTrkDriver::EControlChangeBreakThread:
|
|
|
437 |
{
|
|
|
438 |
err = DoChangeBreakThread((TUint32)a1, (TInt32)a2);
|
|
|
439 |
break;
|
|
|
440 |
}
|
|
|
441 |
case RMetroTrkDriver::EControlSuspendThread:
|
|
|
442 |
{
|
|
|
443 |
err = DoSuspendThread(ThreadFromId((TUint32)a1));
|
|
|
444 |
break;
|
|
|
445 |
}
|
|
|
446 |
case RMetroTrkDriver::EControlResumeThread:
|
|
|
447 |
{
|
|
|
448 |
err = DoResumeThread(ThreadFromId((TUint32)a1));
|
|
|
449 |
break;
|
|
|
450 |
}
|
|
|
451 |
case RMetroTrkDriver::EControlStepRange:
|
|
|
452 |
{
|
|
|
453 |
err = StepRange(ThreadFromId((TUint32)a1), (TMetroTrkStepInfo*)a2);
|
|
|
454 |
break;
|
|
|
455 |
}
|
|
|
456 |
case RMetroTrkDriver::EControlReadMemory:
|
|
|
457 |
{
|
|
|
458 |
err = ReadMemory(ThreadFromId((TUint32)a1), (TMetroTrkMemoryInfo*)a2);
|
|
|
459 |
break;
|
|
|
460 |
}
|
|
|
461 |
case RMetroTrkDriver::EControlWriteMemory:
|
|
|
462 |
{
|
|
|
463 |
err = WriteMemory(ThreadFromId((TUint32)a1), (TMetroTrkMemoryInfo*)a2);
|
|
|
464 |
break;
|
|
|
465 |
}
|
|
|
466 |
case RMetroTrkDriver::EControlReadRegisters:
|
|
|
467 |
{
|
|
|
468 |
err = ReadRegisters(ThreadFromId((TUint32)a1), (TMetroTrkRegisterInfo*)a2);
|
|
|
469 |
break;
|
|
|
470 |
}
|
|
|
471 |
case RMetroTrkDriver::EControlWriteRegisters:
|
|
|
472 |
{
|
|
|
473 |
err = WriteRegisters(ThreadFromId((TUint32)a1), (TMetroTrkRegisterInfo*)a2);
|
|
|
474 |
break;
|
|
|
475 |
}
|
|
|
476 |
case RMetroTrkDriver::EControlGetProcessInfo:
|
|
|
477 |
{
|
|
|
478 |
err = GetProcessInfo((TInt)a1, (TMetroTrkTaskInfo*)a2);
|
|
|
479 |
break;
|
|
|
480 |
}
|
|
|
481 |
case RMetroTrkDriver::EControlGetThreadInfo:
|
|
|
482 |
{
|
|
|
483 |
err = GetThreadInfo((TInt)a1, (TMetroTrkTaskInfo*)a2);
|
|
|
484 |
break;
|
|
|
485 |
}
|
|
|
486 |
case RMetroTrkDriver::EControlGetProcessAddresses:
|
|
|
487 |
{
|
|
|
488 |
err = GetProcessAddresses(ThreadFromId((TUint32)a1), (TMetroTrkProcessInfo*)a2);
|
|
|
489 |
break;
|
|
|
490 |
}
|
|
|
491 |
case RMetroTrkDriver::EControlGetStaticLibraryInfo:
|
|
|
492 |
{
|
|
|
493 |
err = GetStaticLibraryInfo((TInt)a1, (SEventInfo*)a2);
|
|
|
494 |
break;
|
|
|
495 |
}
|
|
|
496 |
case RMetroTrkDriver::EControlEnableLibLoadedEvent:
|
|
|
497 |
{
|
|
|
498 |
iNotifyLibLoadedEvent = ETrue;
|
|
|
499 |
break;
|
|
|
500 |
}
|
|
|
501 |
case RMetroTrkDriver::EControlDisableLibLoadedEvent:
|
|
|
502 |
{
|
|
|
503 |
iNotifyLibLoadedEvent = EFalse;
|
|
|
504 |
break;
|
|
|
505 |
}
|
|
|
506 |
case RMetroTrkDriver::EControlGetLibraryInfo:
|
|
|
507 |
{
|
|
|
508 |
err = GetLibraryInfo((TMetroTrkLibInfo*)a1);
|
|
|
509 |
break;
|
|
|
510 |
}
|
|
|
511 |
case RMetroTrkDriver::EControlGetExeInfo:
|
|
|
512 |
{
|
|
|
513 |
err = GetExeInfo((TMetroTrkExeInfo*)a1);
|
|
|
514 |
break;
|
|
|
515 |
}
|
|
|
516 |
case RMetroTrkDriver::EControlGetProcUidInfo:
|
|
|
517 |
{
|
|
|
518 |
err = GetProcUidInfo((TMetroTrkProcUidInfo*)a1);
|
|
|
519 |
break;
|
|
|
520 |
}
|
|
|
521 |
case RMetroTrkDriver::EControlDetachProcess:
|
|
|
522 |
{
|
|
|
523 |
err = DetachProcess(ProcessFromId((TInt32)a1));
|
|
|
524 |
break;
|
|
|
525 |
}
|
|
|
526 |
default:
|
|
|
527 |
{
|
|
|
528 |
return KErrGeneral;
|
|
|
529 |
}
|
|
|
530 |
}
|
|
|
531 |
|
|
|
532 |
if (KErrNone != err)
|
|
|
533 |
{
|
|
|
534 |
LOG_MSG2("Error %d from control function", err);
|
|
|
535 |
}
|
|
|
536 |
|
|
|
537 |
return err;
|
|
|
538 |
}
|
|
|
539 |
|
|
|
540 |
void DMetroTrkChannel::HandleMsg(TMessageBase* aMsg)
|
|
|
541 |
{
|
|
|
542 |
LOG_MSG("DMetroTrkChannel::HandleMsg()");
|
|
|
543 |
|
|
|
544 |
TThreadMessage& m = *(TThreadMessage*)aMsg;
|
|
|
545 |
TInt id = m.iValue;
|
|
|
546 |
|
|
|
547 |
|
|
|
548 |
if (id == (TInt)ECloseMsg)
|
|
|
549 |
{
|
|
|
550 |
if (iEventHandler)
|
|
|
551 |
{
|
|
|
552 |
iDebugging = EFalse;
|
|
|
553 |
iEventHandler->Stop();
|
|
|
554 |
iEventHandler->Close();
|
|
|
555 |
iEventHandler = NULL;
|
|
|
556 |
}
|
|
|
557 |
m.Complete(KErrNone, EFalse);
|
|
|
558 |
return;
|
|
|
559 |
}
|
|
|
560 |
|
|
|
561 |
if (id == KMaxTInt)
|
|
|
562 |
{
|
|
|
563 |
// DoCancel
|
|
|
564 |
DoCancel(m.Int0());
|
|
|
565 |
m.Complete(KErrNone, ETrue);
|
|
|
566 |
return;
|
|
|
567 |
}
|
|
|
568 |
|
|
|
569 |
if (id < 0)
|
|
|
570 |
{
|
|
|
571 |
// DoRequest
|
|
|
572 |
TRequestStatus* pStatus = (TRequestStatus*)m.Ptr0();
|
|
|
573 |
DoRequest(~id, pStatus, m.Ptr1(), m.Ptr2());
|
|
|
574 |
m.Complete(KErrNone, ETrue);
|
|
|
575 |
}
|
|
|
576 |
else
|
|
|
577 |
{
|
|
|
578 |
// DoControl
|
|
|
579 |
TInt err = DoControl(id, m.Ptr0(), m.Ptr1());
|
|
|
580 |
m.Complete(err, ETrue);
|
|
|
581 |
}
|
|
|
582 |
}
|
|
|
583 |
|
|
|
584 |
//
|
|
|
585 |
// DMetroTrkChannel::AddProcess
|
|
|
586 |
//
|
|
|
587 |
void DMetroTrkChannel::AddProcess(DProcess *aProcess, DThread *aThread)
|
|
|
588 |
{
|
|
|
589 |
LOG_MSG("DMetroTrkChannel::AddProcess()");
|
|
|
590 |
// check to see if we are still debugging, otherwise just return
|
|
|
591 |
if (!iDebugging)
|
|
|
592 |
return;
|
|
|
593 |
|
|
|
594 |
if (aProcess)
|
|
|
595 |
{
|
|
|
596 |
if (!aThread)
|
|
|
597 |
LOG_MSG("Creator thread not available");
|
|
|
598 |
|
|
|
599 |
// check to see if this process is being started by debug agent.
|
|
|
600 |
// If this is the case, we don't need to notify the agent since the debug agent already knows about it.
|
|
|
601 |
if (aThread && aThread->iOwningProcess->iId == iClientThread->iOwningProcess->iId)
|
|
|
602 |
return;
|
|
|
603 |
|
|
|
604 |
SEventInfo processEventInfo;
|
|
|
605 |
processEventInfo.iEventType = processEventInfo.EProcessAdded;
|
|
|
606 |
processEventInfo.iProcessId = aProcess->iId;
|
|
|
607 |
processEventInfo.iFileName.Copy(*aProcess->iName);
|
|
|
608 |
processEventInfo.iUid = aProcess->iUids.iUid[2].iUid;
|
|
|
609 |
|
|
|
610 |
// Kernel hasn't created teh code segment yet for this process,
|
|
|
611 |
// so queue this event separately and wait for start thread event to notify.
|
|
|
612 |
iProcessNotifyList.Append(processEventInfo);
|
|
|
613 |
}
|
|
|
614 |
}
|
|
|
615 |
|
|
|
616 |
//
|
|
|
617 |
// DMetroTrkChannel::StartThread
|
|
|
618 |
//
|
|
|
619 |
void DMetroTrkChannel::StartThread(DThread *aThread)
|
|
|
620 |
{
|
|
|
621 |
LOG_MSG("DMetroTrkChannel::StartThread()");
|
|
|
622 |
// check to see if we are still debugging, otherwise just return
|
|
|
623 |
if (!iDebugging)
|
|
|
624 |
return;
|
|
|
625 |
|
|
|
626 |
// Using the lib loaded event flag for notifying processes as well.
|
|
|
627 |
// Check if lib loaded event is disabled. Lib loaded event
|
|
|
628 |
// is disabled temporarily in some situations, when the engine
|
|
|
629 |
// is performing some complex operations like installing sis
|
|
|
630 |
// files, in which case, suspending the thread for lib loaded
|
|
|
631 |
// events would end up in a dead lock. This is due to the fact
|
|
|
632 |
// that the active object that handles the event notification
|
|
|
633 |
// wouldn't get a chance to run since the code in TRK engine
|
|
|
634 |
// which handles the commands from the host debugger is also
|
|
|
635 |
// done in an active object which runs in the same thread.
|
|
|
636 |
if (!iNotifyLibLoadedEvent)
|
|
|
637 |
return;
|
|
|
638 |
|
|
|
639 |
if (aThread && aThread->iOwningProcess)
|
|
|
640 |
{
|
|
|
641 |
DCodeSeg* codeSeg = aThread->iOwningProcess->iCodeSeg;
|
|
|
642 |
if (codeSeg)
|
|
|
643 |
{
|
|
|
644 |
TModuleMemoryInfo processMemoryInfo;
|
|
|
645 |
TInt err = codeSeg->GetMemoryInfo(processMemoryInfo, aThread->iOwningProcess);
|
|
|
646 |
if (err == KErrNone)
|
|
|
647 |
{
|
|
|
648 |
for (TInt i = 0; i < iProcessNotifyList.Count(); i++)
|
|
|
649 |
{
|
|
|
650 |
if (iProcessNotifyList[i].iProcessId == aThread->iOwningProcess->iId)
|
|
|
651 |
{
|
|
|
652 |
// Suspend the thread so that the host debugger can set breakpoints.
|
|
|
653 |
Kern::ThreadSuspend(*aThread, 1);
|
|
|
654 |
iProcessNotifyList[i].iThreadId = aThread->iId;
|
|
|
655 |
iProcessNotifyList[i].iCodeAddress = processMemoryInfo.iCodeBase;
|
|
|
656 |
iProcessNotifyList[i].iDataAddress = processMemoryInfo.iInitialisedDataBase;
|
|
|
657 |
// Notify the process added event now that we have the code segment for the process
|
|
|
658 |
NotifyEvent(iProcessNotifyList[i]);
|
|
|
659 |
// Now remove from the list
|
|
|
660 |
iProcessNotifyList.Remove(i);
|
|
|
661 |
break;
|
|
|
662 |
}
|
|
|
663 |
}
|
|
|
664 |
}
|
|
|
665 |
else
|
|
|
666 |
{
|
|
|
667 |
LOG_MSG2("Error in getting memory info: %d", err);
|
|
|
668 |
}
|
|
|
669 |
}
|
|
|
670 |
else
|
|
|
671 |
{
|
|
|
672 |
LOG_MSG2("Invalid code segment found for the started thread: %d", aThread->iId);
|
|
|
673 |
}
|
|
|
674 |
}
|
|
|
675 |
}
|
|
|
676 |
|
|
|
677 |
//
|
|
|
678 |
// DMetroTrkChannel::RemoveProcess
|
|
|
679 |
//
|
|
|
680 |
void DMetroTrkChannel::RemoveProcess(DProcess *aProcess)
|
|
|
681 |
{
|
|
|
682 |
LOG_MSG("DMetroTrkChannel::RemoveProcess()");
|
|
|
683 |
// check to see if we are still debugging, otherwise just return
|
|
|
684 |
if (!iDebugging)
|
|
|
685 |
return;
|
|
|
686 |
|
|
|
687 |
// this is called when a process dies. we want to mark any breakpoints in this
|
|
|
688 |
// process space as obsolete. the main reason for this is so we don't return
|
|
|
689 |
// an error when the host debugger tries to clear breakpoints for the process
|
|
|
690 |
|
|
|
691 |
TUint32 codeAddress = 0;
|
|
|
692 |
TUint32 codeSize = 0;
|
|
|
693 |
|
|
|
694 |
LOG_MSG2("Process being removed, Name %S", aProcess->iName);
|
|
|
695 |
|
|
|
696 |
DCodeSeg* codeSeg = aProcess->iCodeSeg;
|
|
|
697 |
|
|
|
698 |
if (codeSeg)
|
|
|
699 |
{
|
|
|
700 |
TModuleMemoryInfo processMemoryInfo;
|
|
|
701 |
TInt err = codeSeg->GetMemoryInfo(processMemoryInfo, aProcess);
|
|
|
702 |
if (err != KErrNone)
|
|
|
703 |
{
|
|
|
704 |
|
|
|
705 |
codeAddress = processMemoryInfo.iCodeBase;
|
|
|
706 |
codeSize = processMemoryInfo.iCodeSize;
|
|
|
707 |
}
|
|
|
708 |
else
|
|
|
709 |
{
|
|
|
710 |
LOG_MSG2("Error in getting memory info: %d", err);
|
|
|
711 |
}
|
|
|
712 |
|
|
|
713 |
}
|
|
|
714 |
|
|
|
715 |
if (!codeAddress || !codeSize)
|
|
|
716 |
{
|
|
|
717 |
LOG_MSG2("Code segment not available for process %d", aProcess->iId);
|
|
|
718 |
// make sure there is not already a breakpoint at this address
|
|
|
719 |
for (TInt i = 0; i < iDebugProcessList.Count(); i++)
|
|
|
720 |
{
|
|
|
721 |
if (iDebugProcessList[i].iId == aProcess->iId)
|
|
|
722 |
{
|
|
|
723 |
codeAddress = iDebugProcessList[i].iCodeAddress;
|
|
|
724 |
codeSize = iDebugProcessList[i].iCodeSize;
|
|
|
725 |
|
|
|
726 |
//now remove from the list
|
|
|
727 |
iDebugProcessList.Remove(i);
|
|
|
728 |
break;
|
|
|
729 |
}
|
|
|
730 |
}
|
|
|
731 |
}
|
|
|
732 |
|
|
|
733 |
if (!codeAddress || !codeSize)
|
|
|
734 |
return;
|
|
|
735 |
|
|
|
736 |
// first invalidate all breakpoints that were set in the library code
|
|
|
737 |
for (TInt i=0; i<iBreakPointList.Count(); i++)
|
|
|
738 |
{
|
|
|
739 |
if ((iBreakPointList[i].iAddress >= codeAddress) && (iBreakPointList[i].iAddress < (codeAddress + codeSize)))
|
|
|
740 |
{
|
|
|
741 |
LOG_MSG2("Disabling process breakpoint at address %x", iBreakPointList[i].iAddress);
|
|
|
742 |
iBreakPointList[i].iObsoleteLibraryBreakpoint = ETrue;
|
|
|
743 |
}
|
|
|
744 |
}
|
|
|
745 |
}
|
|
|
746 |
|
|
|
747 |
|
|
|
748 |
//
|
|
|
749 |
// DMetroTrkChannel::AddLibrary
|
|
|
750 |
//
|
|
|
751 |
void DMetroTrkChannel::AddLibrary(DLibrary *aLibrary, DThread *aThread)
|
|
|
752 |
{
|
|
|
753 |
LOG_MSG("DMetroTrkChannel::AddLibrary()");
|
|
|
754 |
|
|
|
755 |
LOG_MSG2(("Lib loaded: %S"), aLibrary->iName);
|
|
|
756 |
|
|
|
757 |
// check to see if we are still debugging, otherwise just return
|
|
|
758 |
if (!iDebugging)
|
|
|
759 |
return;
|
|
|
760 |
|
|
|
761 |
// Check if lib loaded event is disabled. Lib loaded event
|
|
|
762 |
// is disabled temporarily in some situations, when the engine
|
|
|
763 |
// is performing some complex operations like installing sis
|
|
|
764 |
// files, in which case, suspending the thread for lib loaded
|
|
|
765 |
// events would end up in a dead lock. This is due to the fact
|
|
|
766 |
// that the active object that handles the event notification
|
|
|
767 |
// wouldn't get a chance to run since the code in TRK engine
|
|
|
768 |
// which handles the commands from the host debugger is also
|
|
|
769 |
// done in an active object which runs in the same thread.
|
|
|
770 |
if (!iNotifyLibLoadedEvent)
|
|
|
771 |
return;
|
|
|
772 |
|
|
|
773 |
TBool isDebugging = EFalse;
|
|
|
774 |
for (TInt i = 0; i < iDebugProcessList.Count(); i++)
|
|
|
775 |
{
|
|
|
776 |
if (iDebugProcessList[i].iId == aThread->iOwningProcess->iId)
|
|
|
777 |
{
|
|
|
778 |
isDebugging = ETrue;
|
|
|
779 |
break;
|
|
|
780 |
}
|
|
|
781 |
}
|
|
|
782 |
if (isDebugging == EFalse)
|
|
|
783 |
return;
|
|
|
784 |
|
|
|
785 |
if (aThread)
|
|
|
786 |
{
|
|
|
787 |
// make sure this is not the debugger thread
|
|
|
788 |
if ((aThread != iClientThread) && (aThread->iOwningProcess->iId != iClientThread->iOwningProcess->iId))
|
|
|
789 |
{
|
|
|
790 |
SEventInfo info;
|
|
|
791 |
|
|
|
792 |
Kern::ThreadSuspend(*aThread, 1);
|
|
|
793 |
|
|
|
794 |
info.iEventType = SEventInfo::ELibraryLoaded;
|
|
|
795 |
info.iProcessId = aThread->iOwningProcess->iId;
|
|
|
796 |
info.iThreadId = aThread->iId;
|
|
|
797 |
|
|
|
798 |
//get the code address
|
|
|
799 |
DCodeSeg* codeSeg = aLibrary->iCodeSeg;
|
|
|
800 |
if (!codeSeg)
|
|
|
801 |
{
|
|
|
802 |
LOG_MSG2("Code segment not available for library %S", aLibrary->iName);
|
|
|
803 |
return;
|
|
|
804 |
}
|
|
|
805 |
|
|
|
806 |
TModuleMemoryInfo memoryInfo;
|
|
|
807 |
TInt err = codeSeg->GetMemoryInfo(memoryInfo, NULL); //NULL for DProcess should be ok;
|
|
|
808 |
if (err != KErrNone)
|
|
|
809 |
{
|
|
|
810 |
LOG_MSG2("Error in getting memory info: %d", err);
|
|
|
811 |
return;
|
|
|
812 |
}
|
|
|
813 |
|
|
|
814 |
info.iCodeAddress = memoryInfo.iCodeBase;
|
|
|
815 |
info.iDataAddress = memoryInfo.iInitialisedDataBase;
|
|
|
816 |
|
|
|
817 |
info.iFileName.Copy(*(aLibrary->iName)); //just the name, without uid info.
|
|
|
818 |
|
|
|
819 |
// now remove this library if its in our notify list
|
|
|
820 |
for (TInt i =0; i<iLibraryNotifyList.Count(); i++)
|
|
|
821 |
{
|
|
|
822 |
if (!iLibraryNotifyList[i].iEmptySlot &&
|
|
|
823 |
!_strnicmp(iLibraryNotifyList[i].iName.Ptr(), info.iFileName.Ptr(), info.iFileName.Length()))
|
|
|
824 |
{
|
|
|
825 |
iLibraryNotifyList[i].iEmptySlot = ETrue;
|
|
|
826 |
break;
|
|
|
827 |
}
|
|
|
828 |
}
|
|
|
829 |
// now check to see if any libs are loaded because of this library load event.
|
|
|
830 |
CheckLibraryNotifyList(info.iProcessId);
|
|
|
831 |
//queue up or complete the event
|
|
|
832 |
NotifyEvent(info);
|
|
|
833 |
}
|
|
|
834 |
|
|
|
835 |
}
|
|
|
836 |
|
|
|
837 |
}
|
|
|
838 |
|
|
|
839 |
//
|
|
|
840 |
// DMetroTrkChannel::RemoveLibrary
|
|
|
841 |
//
|
|
|
842 |
void DMetroTrkChannel::RemoveLibrary(DLibrary *aLibrary)
|
|
|
843 |
{
|
|
|
844 |
LOG_MSG("DMetroTrkChannel::RemoveLibrary()");
|
|
|
845 |
LOG_MSG2(("Lib unloaded: %S"), aLibrary->iName);
|
|
|
846 |
|
|
|
847 |
// check to see if we are still debugging, otherwise just return
|
|
|
848 |
if (!iDebugging)
|
|
|
849 |
return;
|
|
|
850 |
|
|
|
851 |
// this is called when all handles to this library have been closed. this can happen when a process dies, or when a dll is
|
|
|
852 |
// unloaded while the process lives on. in former case, we don't need to notify the host debugger because that process is
|
|
|
853 |
// dying anyway. for the latter case, we do need to notify the host so it can unload the symbolics, etc.
|
|
|
854 |
|
|
|
855 |
DThread* aThread = &Kern::CurrentThread();
|
|
|
856 |
|
|
|
857 |
if ((aThread) &&
|
|
|
858 |
(aThread != iClientThread) &&
|
|
|
859 |
(aThread->iOwningProcess->iId != iClientThread->iOwningProcess->iId))
|
|
|
860 |
{
|
|
|
861 |
//the library gets unloaded only when the mapcount is 0.
|
|
|
862 |
if (aLibrary->iMapCount != 0)
|
|
|
863 |
return;
|
|
|
864 |
|
|
|
865 |
DCodeSeg* codeSeg = aLibrary->iCodeSeg;
|
|
|
866 |
if (!codeSeg)
|
|
|
867 |
{
|
|
|
868 |
LOG_MSG2("Code segment not available for library %S", aLibrary->iName);
|
|
|
869 |
return;
|
|
|
870 |
}
|
|
|
871 |
|
|
|
872 |
TModuleMemoryInfo processMemoryInfo;
|
|
|
873 |
TInt err = codeSeg->GetMemoryInfo(processMemoryInfo, NULL); //passing NULL for the DProcess argument should be ok;
|
|
|
874 |
if (err != KErrNone)
|
|
|
875 |
{
|
|
|
876 |
LOG_MSG2("Error in getting memory info: %d", err);
|
|
|
877 |
return;
|
|
|
878 |
}
|
|
|
879 |
|
|
|
880 |
TUint32 codeAddress = processMemoryInfo.iCodeBase;
|
|
|
881 |
TUint32 codeSize = processMemoryInfo.iCodeSize;
|
|
|
882 |
|
|
|
883 |
// first invalidate all breakpoints that were set in the library code
|
|
|
884 |
for (TInt i=0; i<iBreakPointList.Count(); i++)
|
|
|
885 |
{
|
|
|
886 |
if ((iBreakPointList[i].iAddress >= codeAddress) && (iBreakPointList[i].iAddress < (codeAddress + codeSize)))
|
|
|
887 |
{
|
|
|
888 |
LOG_MSG2("Disabling library breakpoint at address %x", iBreakPointList[i].iAddress);
|
|
|
889 |
iBreakPointList[i].iObsoleteLibraryBreakpoint = ETrue;
|
|
|
890 |
}
|
|
|
891 |
}
|
|
|
892 |
|
|
|
893 |
DProcess *process = &Kern::CurrentProcess();
|
|
|
894 |
if (process)
|
|
|
895 |
{
|
|
|
896 |
RArray<SCodeSegEntry>* dynamicCode = &(process->iDynamicCode);
|
|
|
897 |
if (dynamicCode)
|
|
|
898 |
{
|
|
|
899 |
for (TInt j=0; j<dynamicCode->Count(); j++)
|
|
|
900 |
{
|
|
|
901 |
if ((*dynamicCode)[j].iLib == aLibrary)
|
|
|
902 |
{
|
|
|
903 |
SEventInfo info;
|
|
|
904 |
|
|
|
905 |
info.iEventType = SEventInfo::ELibraryUnloaded;
|
|
|
906 |
info.iFileName.Copy(*(aLibrary->iName)); //lib name without uid info
|
|
|
907 |
//info.iFileName.ZeroTerminate();
|
|
|
908 |
info.iProcessId = process->iId;
|
|
|
909 |
info.iThreadId = 0xFFFFFFFF; // don't care!
|
|
|
910 |
|
|
|
911 |
//queue up or complete the event
|
|
|
912 |
NotifyEvent(info);
|
|
|
913 |
}
|
|
|
914 |
}
|
|
|
915 |
}
|
|
|
916 |
}
|
|
|
917 |
}
|
|
|
918 |
}
|
|
|
919 |
|
|
|
920 |
|
|
|
921 |
//
|
|
|
922 |
// DMetroTrkChannel::AddCodeSegment
|
|
|
923 |
//
|
|
|
924 |
void DMetroTrkChannel::AddCodeSegment(DCodeSeg *aCodeSeg, DProcess *aProcess)
|
|
|
925 |
{
|
|
|
926 |
LOG_MSG("DMetroTrkChannel::AddCodeSegment()");
|
|
|
927 |
|
|
|
928 |
// Check if lib loaded event is disabled. Lib loaded event
|
|
|
929 |
// is disabled temporarily in some situations, when the engine
|
|
|
930 |
// is performing some complex operations like installing sis
|
|
|
931 |
// files, in which case, suspending the thread for lib loaded
|
|
|
932 |
// events would end up in a dead lock. This is due to the fact
|
|
|
933 |
// that the active object that handles the event notification
|
|
|
934 |
// wouldn't get a chance to run since the code in TRK engine
|
|
|
935 |
// which handles the commands from the host debugger is also
|
|
|
936 |
// done in an active object which runs in the same thread.
|
|
|
937 |
if (!iNotifyLibLoadedEvent)
|
|
|
938 |
return;
|
|
|
939 |
|
|
|
940 |
TBool isDebugging = EFalse;
|
|
|
941 |
for (TInt i = 0; i < iDebugProcessList.Count(); i++)
|
|
|
942 |
{
|
|
|
943 |
if (iDebugProcessList[i].iId == aProcess->iId)
|
|
|
944 |
{
|
|
|
945 |
isDebugging = ETrue;
|
|
|
946 |
break;
|
|
|
947 |
}
|
|
|
948 |
}
|
|
|
949 |
if (isDebugging == EFalse)
|
|
|
950 |
return;
|
|
|
951 |
|
|
|
952 |
if (aCodeSeg)
|
|
|
953 |
{
|
|
|
954 |
const TUint8* ptr = aCodeSeg->iFileName->Ptr();
|
|
|
955 |
if (aCodeSeg->IsDll())
|
|
|
956 |
{
|
|
|
957 |
LOG_MSG2("DLL code segment is loaded: %s", ptr);
|
|
|
958 |
|
|
|
959 |
DThread* mainThread = aProcess->FirstThread();
|
|
|
960 |
if (mainThread)
|
|
|
961 |
{
|
|
|
962 |
// make sure this is not the debugger thread
|
|
|
963 |
if ((mainThread->iId != iClientThread->iId) && (aProcess->iId != iClientThread->iOwningProcess->iId))
|
|
|
964 |
{
|
|
|
965 |
SEventInfo info;
|
|
|
966 |
|
|
|
967 |
//DoSuspendThread(mainThread);
|
|
|
968 |
Kern::ThreadSuspend(*mainThread, 1);
|
|
|
969 |
|
|
|
970 |
info.iEventType = SEventInfo::ELibraryLoaded;
|
|
|
971 |
info.iProcessId = aProcess->iId;
|
|
|
972 |
info.iThreadId = mainThread->iId;
|
|
|
973 |
|
|
|
974 |
TModuleMemoryInfo memoryInfo;
|
|
|
975 |
TInt err = aCodeSeg->GetMemoryInfo(memoryInfo, NULL); //NULL for DProcess should be ok;
|
|
|
976 |
if (err != KErrNone)
|
|
|
977 |
{
|
|
|
978 |
LOG_MSG2("Error in getting memory info: %d", err);
|
|
|
979 |
return;
|
|
|
980 |
}
|
|
|
981 |
|
|
|
982 |
info.iCodeAddress = memoryInfo.iCodeBase;
|
|
|
983 |
info.iDataAddress = memoryInfo.iInitialisedDataBase;
|
|
|
984 |
|
|
|
985 |
info.iFileName.Copy(aCodeSeg->iRootName); //just the name, without uid info.
|
|
|
986 |
|
|
|
987 |
//queue up or complete the event
|
|
|
988 |
NotifyEvent(info);
|
|
|
989 |
}
|
|
|
990 |
|
|
|
991 |
}
|
|
|
992 |
else
|
|
|
993 |
{
|
|
|
994 |
LOG_MSG2("Invalid main thread for this process: %d", aProcess->iId);
|
|
|
995 |
}
|
|
|
996 |
|
|
|
997 |
}
|
|
|
998 |
else
|
|
|
999 |
{
|
|
|
1000 |
if (aCodeSeg->IsExe())
|
|
|
1001 |
LOG_MSG2("EXE code segment is loaded: %s", ptr);
|
|
|
1002 |
}
|
|
|
1003 |
|
|
|
1004 |
}
|
|
|
1005 |
|
|
|
1006 |
}
|
|
|
1007 |
|
|
|
1008 |
//
|
|
|
1009 |
// DMetroTrkChannel::RemoveCodeSegment
|
|
|
1010 |
//
|
|
|
1011 |
void DMetroTrkChannel::RemoveCodeSegment(DCodeSeg *aCodeSeg, DProcess *aProcess)
|
|
|
1012 |
{
|
|
|
1013 |
LOG_MSG("DMetroTrkChannel::RemoveCodeSegment()");
|
|
|
1014 |
|
|
|
1015 |
// We don't do anything right now as we are not using the code segment events.
|
|
|
1016 |
|
|
|
1017 |
}
|
|
|
1018 |
|
|
|
1019 |
//
|
|
|
1020 |
// DMetroTrkChannel::HandleEventKillThread
|
|
|
1021 |
//
|
|
|
1022 |
TBool DMetroTrkChannel::HandleEventKillThread(DThread* aThread)
|
|
|
1023 |
{
|
|
|
1024 |
LOG_MSG("DMetroTrkChannel::HandleEventKillThread");
|
|
|
1025 |
// check to see if we are still debugging, otherwise just return
|
|
|
1026 |
if (!iDebugging)
|
|
|
1027 |
return EFalse;
|
|
|
1028 |
|
|
|
1029 |
if (!aThread)
|
|
|
1030 |
{
|
|
|
1031 |
LOG_MSG("Invalid thread handle");
|
|
|
1032 |
return EFalse;
|
|
|
1033 |
}
|
|
|
1034 |
|
|
|
1035 |
|
|
|
1036 |
DThread* currentThread = &Kern::CurrentThread();
|
|
|
1037 |
if (!currentThread)
|
|
|
1038 |
{
|
|
|
1039 |
LOG_MSG("Error getting current thread");
|
|
|
1040 |
return EFalse;
|
|
|
1041 |
}
|
|
|
1042 |
|
|
|
1043 |
//Kern::ThreadSuspend(*currentThread, 1);
|
|
|
1044 |
|
|
|
1045 |
if (aThread->iExitType != EExitPanic)
|
|
|
1046 |
{
|
|
|
1047 |
return EFalse;
|
|
|
1048 |
}
|
|
|
1049 |
|
|
|
1050 |
SEventInfo info;
|
|
|
1051 |
|
|
|
1052 |
info.iProcessId = aThread->iOwningProcess->iId;
|
|
|
1053 |
info.iThreadId = aThread->iId;
|
|
|
1054 |
info.iCurrentPC = ReadRegister(aThread, 14);//PC_REGISTER);
|
|
|
1055 |
info.iPanicCategory.Copy(aThread->iExitCategory);
|
|
|
1056 |
|
|
|
1057 |
info.iExceptionNumber = 100;//aThread->iExitReason;
|
|
|
1058 |
info.iPanicReason = aThread->iExitReason;
|
|
|
1059 |
info.iEventType = SEventInfo::EThreadPanic;
|
|
|
1060 |
|
|
|
1061 |
// if its not an invalide opcode exception, check to see if we are debugging
|
|
|
1062 |
// the process.
|
|
|
1063 |
TBool isDebugging = EFalse;
|
|
|
1064 |
for (TInt i = 0; i < iDebugProcessList.Count(); i++)
|
|
|
1065 |
{
|
|
|
1066 |
if (iDebugProcessList[i].iId == info.iProcessId)
|
|
|
1067 |
{
|
|
|
1068 |
isDebugging = ETrue;
|
|
|
1069 |
break;
|
|
|
1070 |
}
|
|
|
1071 |
}
|
|
|
1072 |
if (!isDebugging)
|
|
|
1073 |
return EFalse;
|
|
|
1074 |
|
|
|
1075 |
#define DOFREEZE 1
|
|
|
1076 |
// PANIC_BACKPORT
|
|
|
1077 |
#if DOFREEZE
|
|
|
1078 |
NKern::ThreadEnterCS();
|
|
|
1079 |
NFastSemaphore* sem = new NFastSemaphore();
|
|
|
1080 |
NKern::ThreadLeaveCS();
|
|
|
1081 |
// sem->iOwningThread = &(Kern::CurrentThread().iNThread);
|
|
|
1082 |
sem->iOwningThread = &aThread->iNThread;
|
|
|
1083 |
iFrozenThreadSemaphores.Append(sem);
|
|
|
1084 |
// First do the notify, then FSWait
|
|
|
1085 |
NotifyEvent(info);
|
|
|
1086 |
NKern::FSWait(sem);
|
|
|
1087 |
return ETrue;
|
|
|
1088 |
#else
|
|
|
1089 |
NotifyEvent(info);
|
|
|
1090 |
LOG_MSG("DMetroTrkChannel::HandleEventKillThread - Panic Do Nothing");
|
|
|
1091 |
return EFalse;
|
|
|
1092 |
#endif
|
|
|
1093 |
// END PANIC_BACKPORT
|
|
|
1094 |
}
|
|
|
1095 |
|
|
|
1096 |
//
|
|
|
1097 |
// DMetroTrkChannel::HandleSwException
|
|
|
1098 |
//
|
|
|
1099 |
TBool DMetroTrkChannel::HandleSwException(TExcType aExcType)
|
|
|
1100 |
{
|
|
|
1101 |
LOG_MSG("DMetroTrkChannel::HandleSwException");
|
|
|
1102 |
|
|
|
1103 |
SEventInfo info;
|
|
|
1104 |
|
|
|
1105 |
DThread* currentThread = &Kern::CurrentThread();
|
|
|
1106 |
if (!currentThread)
|
|
|
1107 |
{
|
|
|
1108 |
LOG_MSG("Error getting current thread");
|
|
|
1109 |
return EFalse;
|
|
|
1110 |
}
|
|
|
1111 |
|
|
|
1112 |
info.iProcessId = currentThread->iOwningProcess->iId;
|
|
|
1113 |
info.iThreadId = currentThread->iId;
|
|
|
1114 |
info.iCurrentPC = ReadRegister(currentThread, PC_REGISTER);
|
|
|
1115 |
info.iExceptionNumber = aExcType;
|
|
|
1116 |
info.iEventType = SEventInfo::EThreadException;
|
|
|
1117 |
|
|
|
1118 |
if (info.iExceptionNumber != EExcInvalidOpCode)
|
|
|
1119 |
{
|
|
|
1120 |
// if its not an invalide opcode exception, check to see if we are debugging
|
|
|
1121 |
// the process.
|
|
|
1122 |
TBool isDebugging = EFalse;
|
|
|
1123 |
for (TInt i = 0; i < iDebugProcessList.Count(); i++)
|
|
|
1124 |
{
|
|
|
1125 |
if (iDebugProcessList[i].iId == info.iProcessId)
|
|
|
1126 |
{
|
|
|
1127 |
isDebugging = ETrue;
|
|
|
1128 |
break;
|
|
|
1129 |
}
|
|
|
1130 |
}
|
|
|
1131 |
if (!isDebugging)
|
|
|
1132 |
return EFalse;
|
|
|
1133 |
}
|
|
|
1134 |
|
|
|
1135 |
NThread nThread = currentThread->iNThread;
|
|
|
1136 |
|
|
|
1137 |
if (nThread.iSuspendCount == 0)
|
|
|
1138 |
Kern::ThreadSuspend(*currentThread, 1);
|
|
|
1139 |
|
|
|
1140 |
HandleException(info, currentThread);
|
|
|
1141 |
|
|
|
1142 |
return ETrue;
|
|
|
1143 |
}
|
|
|
1144 |
|
|
|
1145 |
//
|
|
|
1146 |
// DMetroTrkChannel::HandleHwException
|
|
|
1147 |
//
|
|
|
1148 |
TBool DMetroTrkChannel::HandleHwException(TArmExcInfo* aExcInfo)
|
|
|
1149 |
{
|
|
|
1150 |
LOG_MSG("DMetroTrkChannel::HandleHwException()");
|
|
|
1151 |
|
|
|
1152 |
SEventInfo info;
|
|
|
1153 |
|
|
|
1154 |
DThread* currentThread = &Kern::CurrentThread();
|
|
|
1155 |
|
|
|
1156 |
if (!currentThread)
|
|
|
1157 |
{
|
|
|
1158 |
LOG_MSG("Error getting current thread");
|
|
|
1159 |
return EFalse;
|
|
|
1160 |
}
|
|
|
1161 |
|
|
|
1162 |
//store the exception info as its needed to read the context for system threads
|
|
|
1163 |
iExcInfoValid = ETrue;
|
|
|
1164 |
iCurrentExcInfo = *aExcInfo;
|
|
|
1165 |
|
|
|
1166 |
info.iProcessId = currentThread->iOwningProcess->iId;
|
|
|
1167 |
info.iThreadId = currentThread->iId;
|
|
|
1168 |
info.iCurrentPC = aExcInfo->iR15;
|
|
|
1169 |
|
|
|
1170 |
switch (aExcInfo->iExcCode)
|
|
|
1171 |
{
|
|
|
1172 |
case 0:
|
|
|
1173 |
info.iExceptionNumber = EExcCodeAbort;
|
|
|
1174 |
break;
|
|
|
1175 |
case 1:
|
|
|
1176 |
info.iExceptionNumber = EExcDataAbort;
|
|
|
1177 |
break;
|
|
|
1178 |
case 2:
|
|
|
1179 |
info.iExceptionNumber = EExcInvalidOpCode;
|
|
|
1180 |
break;
|
|
|
1181 |
default:
|
|
|
1182 |
return EFalse;
|
|
|
1183 |
|
|
|
1184 |
}
|
|
|
1185 |
info.iEventType = SEventInfo::EThreadException;
|
|
|
1186 |
|
|
|
1187 |
if (info.iExceptionNumber != EExcInvalidOpCode)
|
|
|
1188 |
{
|
|
|
1189 |
// if its not an invalide opcode exception, check to see if we are debugging
|
|
|
1190 |
// the process.
|
|
|
1191 |
TBool isDebugging = EFalse;
|
|
|
1192 |
for (TInt i = 0; i < iDebugProcessList.Count(); i++)
|
|
|
1193 |
{
|
|
|
1194 |
if (iDebugProcessList[i].iId == info.iProcessId)
|
|
|
1195 |
{
|
|
|
1196 |
isDebugging = ETrue;
|
|
|
1197 |
break;
|
|
|
1198 |
}
|
|
|
1199 |
}
|
|
|
1200 |
if (!isDebugging)
|
|
|
1201 |
return EFalse;
|
|
|
1202 |
}
|
|
|
1203 |
|
|
|
1204 |
NThread nThread = currentThread->iNThread;
|
|
|
1205 |
|
|
|
1206 |
if (nThread.iSuspendCount == 0) //don't suspend the thread if its already suspended.
|
|
|
1207 |
Kern::ThreadSuspend(*currentThread, 1);
|
|
|
1208 |
|
|
|
1209 |
HandleException(info, currentThread);
|
|
|
1210 |
|
|
|
1211 |
return ETrue;
|
|
|
1212 |
}
|
|
|
1213 |
|
|
|
1214 |
//
|
|
|
1215 |
// DMetroTrkChannel::HandleException
|
|
|
1216 |
//
|
|
|
1217 |
void DMetroTrkChannel::HandleException(SEventInfo& aEventInfo, DThread* aCurrentThread)
|
|
|
1218 |
{
|
|
|
1219 |
TInt err = KErrNone;
|
|
|
1220 |
// see if it was a breakpoint that stopped the thread
|
|
|
1221 |
if (((TInt)2 == aEventInfo.iExceptionNumber) || ((TInt)EExcInvalidOpCode == aEventInfo.iExceptionNumber))
|
|
|
1222 |
{
|
|
|
1223 |
TUint32 inst = KArmBreakPoint;
|
|
|
1224 |
TInt instSize = 4;
|
|
|
1225 |
|
|
|
1226 |
// change these for thumb mode
|
|
|
1227 |
if (ReadRegister(aCurrentThread, STATUS_REGISTER) & ECpuThumb)
|
|
|
1228 |
{
|
|
|
1229 |
inst = KThumbBreakPoint;
|
|
|
1230 |
instSize = 2;
|
|
|
1231 |
}
|
|
|
1232 |
|
|
|
1233 |
TUint32 instruction = 0;
|
|
|
1234 |
err = Kern::ThreadRawRead(aCurrentThread, (TUint32 *)aEventInfo.iCurrentPC, (TUint8 *)&instruction, instSize);
|
|
|
1235 |
|
|
|
1236 |
if (KErrNone != err)
|
|
|
1237 |
LOG_MSG2("Error reading instruction at currentpc: %d", err);
|
|
|
1238 |
|
|
|
1239 |
if (!memcompare((TUint8 *)&inst, instSize, (TUint8 *)&instruction, instSize))
|
|
|
1240 |
{
|
|
|
1241 |
// the exception was a breakpoint instruction. see if we have a breakpoint at that address
|
|
|
1242 |
for (TInt i=0; i<iBreakPointList.Count(); i++)
|
|
|
1243 |
{
|
|
|
1244 |
TBreakEntry breakEntry = iBreakPointList[i];
|
|
|
1245 |
|
|
|
1246 |
if (breakEntry.iAddress == aEventInfo.iCurrentPC)
|
|
|
1247 |
{
|
|
|
1248 |
LOG_MSG2("Breakpoint with Id %d has been hit", breakEntry.iId);
|
|
|
1249 |
|
|
|
1250 |
//change the event type to breakpoint type
|
|
|
1251 |
aEventInfo.iEventType = SEventInfo::EThreadBreakPoint;
|
|
|
1252 |
|
|
|
1253 |
|
|
|
1254 |
// enable any breakpoints we had to disable for this thread
|
|
|
1255 |
err = DoEnableDisabledBreak(aEventInfo.iThreadId);
|
|
|
1256 |
if (KErrNone != err)
|
|
|
1257 |
LOG_MSG2("Error %d enabling disabled breakpoints", err);
|
|
|
1258 |
|
|
|
1259 |
// see if this is a temp breakpoint
|
|
|
1260 |
if (i < NUMBER_OF_TEMP_BREAKPOINTS)
|
|
|
1261 |
{
|
|
|
1262 |
// this was a temp breakpoint, so we need to clear it now
|
|
|
1263 |
err = DoClearBreak(i);
|
|
|
1264 |
if (KErrNone != err)
|
|
|
1265 |
LOG_MSG2("Error %d clearing temp breakpoint", err);
|
|
|
1266 |
|
|
|
1267 |
// if we're not out of range yet, go ahead and single step again
|
|
|
1268 |
// if we are out of range, either continue or report the event depending
|
|
|
1269 |
// on the iResumeOnceOutOfRange flag
|
|
|
1270 |
if ((aEventInfo.iCurrentPC > breakEntry.iRangeStart) && (aEventInfo.iCurrentPC < breakEntry.iRangeEnd))
|
|
|
1271 |
{
|
|
|
1272 |
LOG_MSG("PC is still in range, stepping will continue");
|
|
|
1273 |
err = DoStepRange(aCurrentThread, breakEntry.iRangeStart, breakEntry.iRangeEnd, breakEntry.iSteppingInto, breakEntry.iResumeOnceOutOfRange, breakEntry.iSteppingInto);
|
|
|
1274 |
if (KErrNone != err)
|
|
|
1275 |
{
|
|
|
1276 |
LOG_MSG2("Error in DoStepRange: %d. Resuming thread.", err);
|
|
|
1277 |
err = DoResumeThread(aCurrentThread);
|
|
|
1278 |
if (KErrNone != err)
|
|
|
1279 |
LOG_MSG2("Error in DoResumeThread: %d", err);
|
|
|
1280 |
}
|
|
|
1281 |
return;
|
|
|
1282 |
}
|
|
|
1283 |
else
|
|
|
1284 |
{
|
|
|
1285 |
if (breakEntry.iResumeOnceOutOfRange)
|
|
|
1286 |
{
|
|
|
1287 |
LOG_MSG("PC is out of range, continuing thread");
|
|
|
1288 |
DoResumeThread(aCurrentThread);
|
|
|
1289 |
|
|
|
1290 |
return;
|
|
|
1291 |
}
|
|
|
1292 |
}
|
|
|
1293 |
}
|
|
|
1294 |
|
|
|
1295 |
// if the breakpoint is thread specific, make sure it's the right thread
|
|
|
1296 |
// if not, just continue the thread. take special care if it's the debugger
|
|
|
1297 |
// thread. if it hits a regular breakpoint, we NEVER want to stop at it. if
|
|
|
1298 |
// it hits a temp breakpoint, we're probably just stepping past a real breakpoint
|
|
|
1299 |
// and we do need to handle it.
|
|
|
1300 |
if (((breakEntry.iThreadId != aEventInfo.iThreadId) && breakEntry.iThreadSpecific)/*(breakEntry.iThreadId != 0xFFFFFFFF))*/ ||
|
|
|
1301 |
((aEventInfo.iProcessId == iClientThread->iOwningProcess->iId) && (breakEntry.iThreadId != aEventInfo.iThreadId)))
|
|
|
1302 |
{
|
|
|
1303 |
LOG_MSG("breakpoint does not match threadId, calling DoResumeThread");
|
|
|
1304 |
err = DoResumeThread(aCurrentThread);
|
|
|
1305 |
if (KErrNone != err)
|
|
|
1306 |
LOG_MSG2("Error in DoResumeThread: %d", err);
|
|
|
1307 |
|
|
|
1308 |
return;
|
|
|
1309 |
}
|
|
|
1310 |
|
|
|
1311 |
//normal user break point, just notify the event
|
|
|
1312 |
break;
|
|
|
1313 |
}
|
|
|
1314 |
}
|
|
|
1315 |
|
|
|
1316 |
}
|
|
|
1317 |
}
|
|
|
1318 |
|
|
|
1319 |
NotifyEvent(aEventInfo);
|
|
|
1320 |
}
|
|
|
1321 |
|
|
|
1322 |
//
|
|
|
1323 |
// DMetroTrkChannel::HandleUserTrace
|
|
|
1324 |
//
|
|
|
1325 |
TBool DMetroTrkChannel::HandleUserTrace(TText* aStr, TInt aLen)
|
|
|
1326 |
{
|
|
|
1327 |
LOG_MSG("DMetroTrkChannel::HandleUserTrace()");
|
|
|
1328 |
|
|
|
1329 |
// handle user trace events only for app trk.
|
|
|
1330 |
#ifndef __OEM_TRK__
|
|
|
1331 |
// check to see if we are still debugging, otherwise just return
|
|
|
1332 |
if (!iDebugging)
|
|
|
1333 |
return EFalse;
|
|
|
1334 |
|
|
|
1335 |
DThread* currentThread = &Kern::CurrentThread();
|
|
|
1336 |
|
|
|
1337 |
if (!currentThread)
|
|
|
1338 |
{
|
|
|
1339 |
LOG_MSG("Error getting current thread");
|
|
|
1340 |
return EFalse;
|
|
|
1341 |
}
|
|
|
1342 |
|
|
|
1343 |
if (currentThread->iOwningProcess->iId == iClientThread->iOwningProcess->iId)
|
|
|
1344 |
return EFalse;
|
|
|
1345 |
|
|
|
1346 |
// only send traces for processes you are debugging
|
|
|
1347 |
TBool isDebugging = EFalse;
|
|
|
1348 |
for (TInt i = 0; i < iDebugProcessList.Count(); i++)
|
|
|
1349 |
{
|
|
|
1350 |
if (iDebugProcessList[i].iId == currentThread->iOwningProcess->iId)
|
|
|
1351 |
{
|
|
|
1352 |
isDebugging = ETrue;
|
|
|
1353 |
break;
|
|
|
1354 |
}
|
|
|
1355 |
}
|
|
|
1356 |
if (!isDebugging)
|
|
|
1357 |
return EFalse;
|
|
|
1358 |
|
|
|
1359 |
if (aLen > 0)
|
|
|
1360 |
{
|
|
|
1361 |
SEventInfo info;
|
|
|
1362 |
|
|
|
1363 |
// This is a temporary solution for grabbing the rdebug printfs.
|
|
|
1364 |
// With the current TRK implementation, we don't have a mechanism for
|
|
|
1365 |
// using dynamically allocated buffers between the engine and the driver.
|
|
|
1366 |
// So for now we are limiting the printf strings to 256 bytes.
|
|
|
1367 |
TUint8 traceStr[260];
|
|
|
1368 |
info.iTraceDataLen = aLen;
|
|
|
1369 |
|
|
|
1370 |
if (info.iTraceDataLen > 256)
|
|
|
1371 |
info.iTraceDataLen = 256;
|
|
|
1372 |
|
|
|
1373 |
XTRAPD(r, XT_DEFAULT, kumemget(traceStr, aStr, info.iTraceDataLen));
|
|
|
1374 |
|
|
|
1375 |
if (r == KErrNone)
|
|
|
1376 |
{
|
|
|
1377 |
info.iEventType = SEventInfo::EUserTrace;
|
|
|
1378 |
traceStr[info.iTraceDataLen] = '\r';
|
|
|
1379 |
traceStr[info.iTraceDataLen+1] = '\n';
|
|
|
1380 |
info.iTraceDataLen += 2; // account for \r and \n.
|
|
|
1381 |
|
|
|
1382 |
info.iTraceData.Copy((TUint8*)traceStr, info.iTraceDataLen);
|
|
|
1383 |
NotifyEvent(info, ETrue);
|
|
|
1384 |
}
|
|
|
1385 |
else
|
|
|
1386 |
{
|
|
|
1387 |
return EFalse;
|
|
|
1388 |
}
|
|
|
1389 |
}
|
|
|
1390 |
#endif
|
|
|
1391 |
|
|
|
1392 |
return ETrue;
|
|
|
1393 |
}
|
|
|
1394 |
|
|
|
1395 |
|
|
|
1396 |
//
|
|
|
1397 |
// DMetroTrkChannel::SetBreak
|
|
|
1398 |
//
|
|
|
1399 |
TInt DMetroTrkChannel::SetBreak(TUint32 aThreadId, TMetroTrkBreakInfo* aBreakInfo)
|
|
|
1400 |
{
|
|
|
1401 |
LOG_MSG("DMetroTrkChannel::SetBreak()");
|
|
|
1402 |
|
|
|
1403 |
TInt err = KErrNone;
|
|
|
1404 |
|
|
|
1405 |
if (!aBreakInfo)
|
|
|
1406 |
return KErrArgument;
|
|
|
1407 |
|
|
|
1408 |
//User side memory is not accessible directly
|
|
|
1409 |
TMetroTrkBreakInfo info(0, 0, 0, 0);
|
|
|
1410 |
err = Kern::ThreadRawRead(iClientThread, aBreakInfo, (TUint8*)&info, sizeof(TMetroTrkBreakInfo));
|
|
|
1411 |
if (err != KErrNone)
|
|
|
1412 |
return err;
|
|
|
1413 |
|
|
|
1414 |
if (!info.iId) //first check if the iId address is valid
|
|
|
1415 |
return KErrArgument;
|
|
|
1416 |
|
|
|
1417 |
if (err == KErrNone)
|
|
|
1418 |
{
|
|
|
1419 |
TInt32 iId;
|
|
|
1420 |
|
|
|
1421 |
err = DoSetBreak(info.iProcessId, aThreadId, info.iAddress, info.iThumbMode, iId);
|
|
|
1422 |
|
|
|
1423 |
if (err == KErrNone)
|
|
|
1424 |
{
|
|
|
1425 |
err = Kern::ThreadRawWrite(iClientThread, (TUint8 *)info.iId, &iId, sizeof(TInt32), iClientThread);
|
|
|
1426 |
}
|
|
|
1427 |
}
|
|
|
1428 |
return err;
|
|
|
1429 |
}
|
|
|
1430 |
|
|
|
1431 |
//
|
|
|
1432 |
// DMetroTrkChannel::StepRange
|
|
|
1433 |
//
|
|
|
1434 |
TInt DMetroTrkChannel::StepRange(DThread* aThread, TMetroTrkStepInfo* aStepInfo)
|
|
|
1435 |
{
|
|
|
1436 |
LOG_MSG("DMetroTrkChannel::StepRange()");
|
|
|
1437 |
|
|
|
1438 |
TInt err = KErrNone;
|
|
|
1439 |
|
|
|
1440 |
if (!aStepInfo)
|
|
|
1441 |
return KErrArgument;
|
|
|
1442 |
|
|
|
1443 |
TMetroTrkStepInfo info(0, 0, 0);
|
|
|
1444 |
err = Kern::ThreadRawRead(iClientThread, aStepInfo, (TUint8*)&info, sizeof(TMetroTrkStepInfo));
|
|
|
1445 |
|
|
|
1446 |
if (err != KErrNone)
|
|
|
1447 |
return err;
|
|
|
1448 |
|
|
|
1449 |
err = DoStepRange(aThread, info.iStartAddress, info.iStopAddress, info.iStepInto, EFalse, ETrue);
|
|
|
1450 |
|
|
|
1451 |
return err;
|
|
|
1452 |
}
|
|
|
1453 |
|
|
|
1454 |
//
|
|
|
1455 |
// DMetroTrkChannel::ReadMemory
|
|
|
1456 |
//
|
|
|
1457 |
TInt DMetroTrkChannel::ReadMemory(DThread* aThread, TMetroTrkMemoryInfo* aMemoryInfo)
|
|
|
1458 |
{
|
|
|
1459 |
LOG_MSG("DMetroTrkChannel::ReadMemory()");
|
|
|
1460 |
|
|
|
1461 |
TInt err = KErrNone;
|
|
|
1462 |
|
|
|
1463 |
if (!aMemoryInfo)
|
|
|
1464 |
return KErrArgument;
|
|
|
1465 |
|
|
|
1466 |
#ifndef __OEM_TRK__
|
|
|
1467 |
if (!IsBeingDebugged(aThread))
|
|
|
1468 |
return KErrPermissionDenied;
|
|
|
1469 |
#endif
|
|
|
1470 |
|
|
|
1471 |
TMetroTrkMemoryInfo info(0, 0, 0);
|
|
|
1472 |
err = Kern::ThreadRawRead(iClientThread, aMemoryInfo, (TUint8*)&info, sizeof(TMetroTrkMemoryInfo));
|
|
|
1473 |
if (err != KErrNone)
|
|
|
1474 |
return err;
|
|
|
1475 |
|
|
|
1476 |
if (!info.iData)
|
|
|
1477 |
return KErrArgument;
|
|
|
1478 |
|
|
|
1479 |
TUint8 *data = (TUint8*)Kern::Alloc(info.iLength);
|
|
|
1480 |
if (!data)
|
|
|
1481 |
return KErrNoMemory;
|
|
|
1482 |
|
|
|
1483 |
TPtr8 dataDes(data, info.iLength);
|
|
|
1484 |
|
|
|
1485 |
err = DoReadMemory(aThread, info.iAddress, info.iLength, dataDes);
|
|
|
1486 |
if (err != KErrNone)
|
|
|
1487 |
return err;
|
|
|
1488 |
|
|
|
1489 |
err = Kern::ThreadDesWrite(iClientThread, info.iData, dataDes, 0, KChunkShiftBy0, iClientThread);
|
|
|
1490 |
|
|
|
1491 |
Kern::Free(data);
|
|
|
1492 |
|
|
|
1493 |
return err;
|
|
|
1494 |
}
|
|
|
1495 |
|
|
|
1496 |
//
|
|
|
1497 |
// DMetroTrkChannel::WriteMemory
|
|
|
1498 |
//
|
|
|
1499 |
TInt DMetroTrkChannel::WriteMemory(DThread* aThread, TMetroTrkMemoryInfo* aMemoryInfo)
|
|
|
1500 |
{
|
|
|
1501 |
LOG_MSG("DMetroTrkChannel::WriteMemory()");
|
|
|
1502 |
|
|
|
1503 |
TInt err = KErrNone;
|
|
|
1504 |
|
|
|
1505 |
if (!aMemoryInfo)
|
|
|
1506 |
return KErrArgument;
|
|
|
1507 |
|
|
|
1508 |
#ifndef __OEM_TRK__
|
|
|
1509 |
if (!IsBeingDebugged(aThread))
|
|
|
1510 |
return KErrPermissionDenied;
|
|
|
1511 |
#endif
|
|
|
1512 |
|
|
|
1513 |
TMetroTrkMemoryInfo info(0, 0, 0);
|
|
|
1514 |
err = Kern::ThreadRawRead(iClientThread, aMemoryInfo, (TUint8*)&info, sizeof(TMetroTrkMemoryInfo));
|
|
|
1515 |
if (err != KErrNone)
|
|
|
1516 |
return err;
|
|
|
1517 |
|
|
|
1518 |
if (!info.iData)
|
|
|
1519 |
return KErrArgument;
|
|
|
1520 |
|
|
|
1521 |
TUint8 *data = (TUint8*)Kern::Alloc(info.iLength);
|
|
|
1522 |
if (!data)
|
|
|
1523 |
return KErrNoMemory;
|
|
|
1524 |
|
|
|
1525 |
TPtr8 dataDes(data, info.iLength);
|
|
|
1526 |
|
|
|
1527 |
err = Kern::ThreadDesRead(iClientThread, info.iData, dataDes, 0);
|
|
|
1528 |
if (err != KErrNone)
|
|
|
1529 |
return err;
|
|
|
1530 |
|
|
|
1531 |
err = DoWriteMemory(aThread, info.iAddress, info.iLength, dataDes);
|
|
|
1532 |
|
|
|
1533 |
Kern::Free(data);
|
|
|
1534 |
|
|
|
1535 |
return err;
|
|
|
1536 |
}
|
|
|
1537 |
|
|
|
1538 |
//
|
|
|
1539 |
// DMetroTrkChannel::ReadRegisters
|
|
|
1540 |
//
|
|
|
1541 |
TInt DMetroTrkChannel::ReadRegisters(DThread* aThread, TMetroTrkRegisterInfo* aRegisterInfo)
|
|
|
1542 |
{
|
|
|
1543 |
LOG_MSG("DMetroTrkChannel::ReadRegisters()");
|
|
|
1544 |
|
|
|
1545 |
TInt err = KErrNone;
|
|
|
1546 |
|
|
|
1547 |
if (!aRegisterInfo)
|
|
|
1548 |
return KErrArgument;
|
|
|
1549 |
|
|
|
1550 |
#ifndef __OEM_TRK__
|
|
|
1551 |
if (!IsBeingDebugged(aThread))
|
|
|
1552 |
return KErrPermissionDenied;
|
|
|
1553 |
#endif
|
|
|
1554 |
|
|
|
1555 |
TMetroTrkRegisterInfo info(0, 0, 0);
|
|
|
1556 |
err = Kern::ThreadRawRead(iClientThread, aRegisterInfo, (TUint8*)&info, sizeof(TMetroTrkRegisterInfo));
|
|
|
1557 |
if (err != KErrNone)
|
|
|
1558 |
return err;
|
|
|
1559 |
|
|
|
1560 |
if (!info.iValues)
|
|
|
1561 |
return KErrArgument;
|
|
|
1562 |
|
|
|
1563 |
TUint length = (info.iLastRegister - info.iFirstRegister + 1) * 4;
|
|
|
1564 |
TUint8 *values = (TUint8*)Kern::Alloc(length);
|
|
|
1565 |
if (!values)
|
|
|
1566 |
return KErrNoMemory;
|
|
|
1567 |
|
|
|
1568 |
TPtr8 valuesDes(values, length);
|
|
|
1569 |
|
|
|
1570 |
err = DoReadRegisters(aThread, info.iFirstRegister, info.iLastRegister, valuesDes);
|
|
|
1571 |
if (err != KErrNone)
|
|
|
1572 |
return err;
|
|
|
1573 |
|
|
|
1574 |
err = Kern::ThreadDesWrite(iClientThread, info.iValues, valuesDes, 0, KChunkShiftBy0, iClientThread);
|
|
|
1575 |
|
|
|
1576 |
Kern::Free(values);
|
|
|
1577 |
|
|
|
1578 |
return err;
|
|
|
1579 |
}
|
|
|
1580 |
|
|
|
1581 |
//
|
|
|
1582 |
// DMetroTrkChannel::WriteRegisters
|
|
|
1583 |
//
|
|
|
1584 |
TInt DMetroTrkChannel::WriteRegisters(DThread* aThread, TMetroTrkRegisterInfo* aRegisterInfo)
|
|
|
1585 |
{
|
|
|
1586 |
LOG_MSG("DMetroTrkChannel::WriteRegisters()");
|
|
|
1587 |
|
|
|
1588 |
TInt err = KErrNone;
|
|
|
1589 |
|
|
|
1590 |
if (!aRegisterInfo)
|
|
|
1591 |
return KErrArgument;
|
|
|
1592 |
|
|
|
1593 |
#ifndef __OEM_TRK__
|
|
|
1594 |
if (!IsBeingDebugged(aThread))
|
|
|
1595 |
return KErrPermissionDenied;
|
|
|
1596 |
#endif
|
|
|
1597 |
|
|
|
1598 |
TMetroTrkRegisterInfo info(0, 0, 0);
|
|
|
1599 |
err = Kern::ThreadRawRead(iClientThread, aRegisterInfo, (TUint8*)&info, sizeof(TMetroTrkRegisterInfo));
|
|
|
1600 |
if (err != KErrNone)
|
|
|
1601 |
return err;
|
|
|
1602 |
|
|
|
1603 |
if (!info.iValues)
|
|
|
1604 |
return KErrArgument;
|
|
|
1605 |
|
|
|
1606 |
TUint length = (info.iLastRegister - info.iFirstRegister + 1) * 4;
|
|
|
1607 |
|
|
|
1608 |
TUint8 *values = (TUint8*)Kern::Alloc(length);
|
|
|
1609 |
if (!values)
|
|
|
1610 |
return KErrNoMemory;
|
|
|
1611 |
|
|
|
1612 |
TPtr8 valuesDes(values, length);
|
|
|
1613 |
|
|
|
1614 |
err = Kern::ThreadDesRead(iClientThread, info.iValues, valuesDes, 0);
|
|
|
1615 |
if (err != KErrNone)
|
|
|
1616 |
return err;
|
|
|
1617 |
|
|
|
1618 |
err = DoWriteRegisters(aThread, info.iFirstRegister, info.iLastRegister, valuesDes);
|
|
|
1619 |
|
|
|
1620 |
Kern::Free(values);
|
|
|
1621 |
|
|
|
1622 |
return err;
|
|
|
1623 |
}
|
|
|
1624 |
|
|
|
1625 |
//
|
|
|
1626 |
// DMetroTrkChannel::GetProcessInfo
|
|
|
1627 |
//
|
|
|
1628 |
TInt DMetroTrkChannel::GetProcessInfo(TInt aIndex, TMetroTrkTaskInfo* aTaskInfo)
|
|
|
1629 |
{
|
|
|
1630 |
LOG_MSG("DMetroTrkChannel::GetProcessInfo()");
|
|
|
1631 |
|
|
|
1632 |
TInt err = KErrNone;
|
|
|
1633 |
|
|
|
1634 |
if (!aTaskInfo)
|
|
|
1635 |
return KErrArgument;
|
|
|
1636 |
|
|
|
1637 |
TMetroTrkTaskInfo info(0);
|
|
|
1638 |
|
|
|
1639 |
err = DoGetProcessInfo(aIndex, &info);
|
|
|
1640 |
|
|
|
1641 |
if (err != KErrNone)
|
|
|
1642 |
return err;
|
|
|
1643 |
|
|
|
1644 |
err = Kern::ThreadRawWrite(iClientThread, aTaskInfo, &info, sizeof(TMetroTrkTaskInfo), iClientThread);
|
|
|
1645 |
|
|
|
1646 |
return err;
|
|
|
1647 |
}
|
|
|
1648 |
|
|
|
1649 |
//
|
|
|
1650 |
// DMetroTrkChannel::GetThreadInfo
|
|
|
1651 |
//
|
|
|
1652 |
TInt DMetroTrkChannel::GetThreadInfo(TInt aIndex, TMetroTrkTaskInfo* aTaskInfo)
|
|
|
1653 |
{
|
|
|
1654 |
LOG_MSG("DMetroTrkChannel::GetThreadInfo()");
|
|
|
1655 |
|
|
|
1656 |
TInt err = KErrNone;
|
|
|
1657 |
|
|
|
1658 |
if (!aTaskInfo)
|
|
|
1659 |
return KErrArgument;
|
|
|
1660 |
|
|
|
1661 |
TMetroTrkTaskInfo info(0);
|
|
|
1662 |
err = Kern::ThreadRawRead(iClientThread, aTaskInfo, (TUint8*)&info, sizeof(TMetroTrkTaskInfo));
|
|
|
1663 |
if (err != KErrNone)
|
|
|
1664 |
return err;
|
|
|
1665 |
|
|
|
1666 |
err = DoGetThreadInfo(aIndex, &info);
|
|
|
1667 |
|
|
|
1668 |
if (err != KErrNone)
|
|
|
1669 |
return err;
|
|
|
1670 |
|
|
|
1671 |
err = Kern::ThreadRawWrite(iClientThread, aTaskInfo, &info, sizeof(TMetroTrkTaskInfo), iClientThread);
|
|
|
1672 |
|
|
|
1673 |
return err;
|
|
|
1674 |
}
|
|
|
1675 |
|
|
|
1676 |
//
|
|
|
1677 |
// DMetroTrkChannel::GetProcessAddresses
|
|
|
1678 |
//
|
|
|
1679 |
TInt DMetroTrkChannel::GetProcessAddresses(DThread* aThread, TMetroTrkProcessInfo* aProcessInfo)
|
|
|
1680 |
{
|
|
|
1681 |
LOG_MSG("DMetroTrkChannel::GetProcessAddresses()");
|
|
|
1682 |
|
|
|
1683 |
TInt err = KErrNone;
|
|
|
1684 |
|
|
|
1685 |
if (!aProcessInfo)
|
|
|
1686 |
return KErrArgument;
|
|
|
1687 |
|
|
|
1688 |
TMetroTrkProcessInfo info(0, 0);
|
|
|
1689 |
err = Kern::ThreadRawRead(iClientThread, aProcessInfo, (TUint8*)&info, sizeof(TMetroTrkProcessInfo));
|
|
|
1690 |
|
|
|
1691 |
if (err != KErrNone)
|
|
|
1692 |
return err;
|
|
|
1693 |
|
|
|
1694 |
if (!info.iCodeAddress || !info.iDataAddress)
|
|
|
1695 |
return KErrArgument;
|
|
|
1696 |
|
|
|
1697 |
TUint32 codeAddress;
|
|
|
1698 |
TUint32 dataAddress;
|
|
|
1699 |
|
|
|
1700 |
err = DoGetProcessAddresses(aThread, codeAddress, dataAddress);
|
|
|
1701 |
|
|
|
1702 |
if (err != KErrNone)
|
|
|
1703 |
return err;
|
|
|
1704 |
|
|
|
1705 |
err = Kern::ThreadRawWrite(iClientThread, info.iCodeAddress, (TUint8*)&codeAddress, sizeof(TUint32), iClientThread);
|
|
|
1706 |
err = Kern::ThreadRawWrite(iClientThread, info.iDataAddress, (TUint8*)&dataAddress, sizeof(TUint32), iClientThread);
|
|
|
1707 |
|
|
|
1708 |
return err;
|
|
|
1709 |
}
|
|
|
1710 |
|
|
|
1711 |
//
|
|
|
1712 |
// DMetroTrkChannel::GetStaticLibraryInfo
|
|
|
1713 |
//
|
|
|
1714 |
TInt DMetroTrkChannel::GetStaticLibraryInfo(TInt aIndex, SEventInfo* aEventInfo)
|
|
|
1715 |
{
|
|
|
1716 |
LOG_MSG("DMetroTrkChannel::GetStaticLibraryInfo()");
|
|
|
1717 |
|
|
|
1718 |
TInt err = KErrNone;
|
|
|
1719 |
|
|
|
1720 |
if (!aEventInfo)
|
|
|
1721 |
return KErrArgument;
|
|
|
1722 |
|
|
|
1723 |
SEventInfo info;
|
|
|
1724 |
|
|
|
1725 |
err = Kern::ThreadRawRead(iClientThread, aEventInfo, (TUint8*)&info, sizeof(SEventInfo));
|
|
|
1726 |
|
|
|
1727 |
if (err != KErrNone)
|
|
|
1728 |
return err;
|
|
|
1729 |
|
|
|
1730 |
err = DoGetStaticLibraryInfo(aIndex, &info);
|
|
|
1731 |
|
|
|
1732 |
if (err != KErrNone)
|
|
|
1733 |
return err;
|
|
|
1734 |
|
|
|
1735 |
err = Kern::ThreadRawWrite(iClientThread, aEventInfo, &info, sizeof(SEventInfo), iClientThread);
|
|
|
1736 |
|
|
|
1737 |
return err;
|
|
|
1738 |
}
|
|
|
1739 |
|
|
|
1740 |
//
|
|
|
1741 |
// DMetroTrkChannel::GetLibInfo
|
|
|
1742 |
//
|
|
|
1743 |
TInt DMetroTrkChannel::GetLibraryInfo(TMetroTrkLibInfo* aLibInfo)
|
|
|
1744 |
{
|
|
|
1745 |
LOG_MSG("DMetroTrkChannel::GetLibraryInfo()");
|
|
|
1746 |
|
|
|
1747 |
TInt err = KErrNone;
|
|
|
1748 |
|
|
|
1749 |
if (!aLibInfo)
|
|
|
1750 |
return KErrArgument;
|
|
|
1751 |
|
|
|
1752 |
TMetroTrkLibInfo info(0, 0);
|
|
|
1753 |
|
|
|
1754 |
err = Kern::ThreadRawRead(iClientThread, aLibInfo, (TUint8*)&info, sizeof(TMetroTrkLibInfo));
|
|
|
1755 |
|
|
|
1756 |
if (err != KErrNone)
|
|
|
1757 |
return err;
|
|
|
1758 |
|
|
|
1759 |
if (!info.iFileName)
|
|
|
1760 |
return KErrArgument;
|
|
|
1761 |
|
|
|
1762 |
TUint8 *dllName = (TUint8*)Kern::Alloc(info.iFileNameLength);
|
|
|
1763 |
if (!dllName)
|
|
|
1764 |
return KErrNoMemory;
|
|
|
1765 |
|
|
|
1766 |
TPtr8 dllNameDes(dllName, info.iFileNameLength);
|
|
|
1767 |
|
|
|
1768 |
err = Kern::ThreadDesRead(iClientThread, info.iFileName, dllNameDes, 0);
|
|
|
1769 |
if (!err)
|
|
|
1770 |
{
|
|
|
1771 |
err = DoGetLibraryInfo(dllNameDes, &info);
|
|
|
1772 |
|
|
|
1773 |
if (!err)
|
|
|
1774 |
err = Kern::ThreadRawWrite(iClientThread, aLibInfo, &info, sizeof(TMetroTrkLibInfo), iClientThread);
|
|
|
1775 |
|
|
|
1776 |
// we couldn't find the library info, so add to our list to look for
|
|
|
1777 |
// when a library is loaded or a process is loaded.
|
|
|
1778 |
if (err != KErrNone)
|
|
|
1779 |
{
|
|
|
1780 |
for (TInt i=0; i<NUMBER_OF_LIBS_TO_REGISTER; i++)
|
|
|
1781 |
{
|
|
|
1782 |
if (!iLibraryNotifyList[i].iName.Length() && iLibraryNotifyList[i].iEmptySlot)
|
|
|
1783 |
{
|
|
|
1784 |
iLibraryNotifyList[i].iName.Copy(dllNameDes);
|
|
|
1785 |
iLibraryNotifyList[i].iEmptySlot = EFalse;
|
|
|
1786 |
break;
|
|
|
1787 |
}
|
|
|
1788 |
else if (!iLibraryNotifyList[i].iEmptySlot && !_strnicmp(iLibraryNotifyList[i].iName.Ptr(), dllNameDes.Ptr(), dllNameDes.Length()))
|
|
|
1789 |
{
|
|
|
1790 |
break;
|
|
|
1791 |
}
|
|
|
1792 |
}
|
|
|
1793 |
}
|
|
|
1794 |
}
|
|
|
1795 |
|
|
|
1796 |
// now free the allocated memory
|
|
|
1797 |
Kern::Free(dllName);
|
|
|
1798 |
|
|
|
1799 |
return err;
|
|
|
1800 |
}
|
|
|
1801 |
|
|
|
1802 |
//
|
|
|
1803 |
// DMetroTrkChannel::GetExeInfo
|
|
|
1804 |
//
|
|
|
1805 |
TInt DMetroTrkChannel::GetExeInfo(TMetroTrkExeInfo* aExeInfo)
|
|
|
1806 |
{
|
|
|
1807 |
LOG_MSG("DMetroTrkChannel::GetExeInfo()");
|
|
|
1808 |
|
|
|
1809 |
TInt err = KErrNone;
|
|
|
1810 |
|
|
|
1811 |
if (!aExeInfo)
|
|
|
1812 |
return KErrArgument;
|
|
|
1813 |
|
|
|
1814 |
TMetroTrkExeInfo info(0, 0, 0);
|
|
|
1815 |
|
|
|
1816 |
err = Kern::ThreadRawRead(iClientThread, aExeInfo, (TUint8*)&info, sizeof(TMetroTrkExeInfo));
|
|
|
1817 |
|
|
|
1818 |
if (err != KErrNone)
|
|
|
1819 |
return err;
|
|
|
1820 |
|
|
|
1821 |
if (!info.iFileName)
|
|
|
1822 |
return KErrArgument;
|
|
|
1823 |
|
|
|
1824 |
TUint8 *exeName = (TUint8*)Kern::Alloc(info.iFileNameLength);
|
|
|
1825 |
if (!exeName)
|
|
|
1826 |
return KErrNoMemory;
|
|
|
1827 |
|
|
|
1828 |
TPtr8 exeNameDes(exeName, info.iFileNameLength);
|
|
|
1829 |
|
|
|
1830 |
err = Kern::ThreadDesRead(iClientThread, info.iFileName, exeNameDes, 0);
|
|
|
1831 |
if (KErrNone == err)
|
|
|
1832 |
{
|
|
|
1833 |
err = DoGetExeInfo(exeNameDes, &info);
|
|
|
1834 |
if (KErrNone == err)
|
|
|
1835 |
{
|
|
|
1836 |
err = Kern::ThreadRawWrite(iClientThread, aExeInfo, &info, sizeof(TMetroTrkExeInfo), iClientThread);
|
|
|
1837 |
}
|
|
|
1838 |
}
|
|
|
1839 |
|
|
|
1840 |
Kern::Free(exeName);
|
|
|
1841 |
|
|
|
1842 |
return err;
|
|
|
1843 |
}
|
|
|
1844 |
|
|
|
1845 |
//
|
|
|
1846 |
// DMetroTrkChannel::GetProcUidInfo
|
|
|
1847 |
//
|
|
|
1848 |
TInt DMetroTrkChannel::GetProcUidInfo(TMetroTrkProcUidInfo* aProcUidInfo)
|
|
|
1849 |
{
|
|
|
1850 |
LOG_MSG("DMetroTrkChannel::GetProcUidInfo()");
|
|
|
1851 |
|
|
|
1852 |
TInt err = KErrNone;
|
|
|
1853 |
|
|
|
1854 |
if (!aProcUidInfo)
|
|
|
1855 |
return KErrArgument;
|
|
|
1856 |
|
|
|
1857 |
TMetroTrkProcUidInfo info(0);
|
|
|
1858 |
|
|
|
1859 |
err = Kern::ThreadRawRead(iClientThread, aProcUidInfo, (TUint8*)&info, sizeof(TMetroTrkProcUidInfo));
|
|
|
1860 |
|
|
|
1861 |
if (err != KErrNone)
|
|
|
1862 |
return err;
|
|
|
1863 |
|
|
|
1864 |
err = DoGetProcUidInfo(&info);
|
|
|
1865 |
|
|
|
1866 |
if (err != KErrNone)
|
|
|
1867 |
return err;
|
|
|
1868 |
|
|
|
1869 |
err = Kern::ThreadRawWrite(iClientThread, aProcUidInfo, &info, sizeof(TMetroTrkProcUidInfo), iClientThread);
|
|
|
1870 |
|
|
|
1871 |
return err;
|
|
|
1872 |
}
|
|
|
1873 |
|
|
|
1874 |
//
|
|
|
1875 |
//DMetroTrkChannel::DetachProcess
|
|
|
1876 |
//
|
|
|
1877 |
TInt DMetroTrkChannel::DetachProcess(DProcess *aProcess)
|
|
|
1878 |
{
|
|
|
1879 |
LOG_MSG("DMetroTrkChannel::DetachProcess()");
|
|
|
1880 |
// check to see if we are still debugging, otherwise just return
|
|
|
1881 |
if (!iDebugging || !aProcess)
|
|
|
1882 |
return KErrArgument;
|
|
|
1883 |
|
|
|
1884 |
// This is called when a process has been detached.
|
|
|
1885 |
// We want to mark any breakpoints in this process space as clear.
|
|
|
1886 |
TUint32 codeAddress = 0;
|
|
|
1887 |
TUint32 codeSize = 0;
|
|
|
1888 |
|
|
|
1889 |
LOG_MSG2("Process being Detached, Name %S", aProcess->iName);
|
|
|
1890 |
|
|
|
1891 |
// make sure there is not already a breakpoint at this address
|
|
|
1892 |
for (TInt i = 0; i < iDebugProcessList.Count(); i++)
|
|
|
1893 |
{
|
|
|
1894 |
if (iDebugProcessList[i].iId == aProcess->iId)
|
|
|
1895 |
{
|
|
|
1896 |
codeAddress = iDebugProcessList[i].iCodeAddress;
|
|
|
1897 |
codeSize = iDebugProcessList[i].iCodeSize;
|
|
|
1898 |
//now remove from the list
|
|
|
1899 |
iDebugProcessList.Remove(i);
|
|
|
1900 |
break;
|
|
|
1901 |
}
|
|
|
1902 |
}
|
|
|
1903 |
|
|
|
1904 |
if (!codeAddress || !codeSize)
|
|
|
1905 |
return KErrArgument;
|
|
|
1906 |
|
|
|
1907 |
// first invalidate all breakpoints that were set in the library code
|
|
|
1908 |
for (TInt i=0; i<iBreakPointList.Count(); i++)
|
|
|
1909 |
{
|
|
|
1910 |
if ((iBreakPointList[i].iAddress >= codeAddress) && (iBreakPointList[i].iAddress < (codeAddress + codeSize)))
|
|
|
1911 |
{
|
|
|
1912 |
LOG_MSG2("Clearing process breakpoint at address %x", iBreakPointList[i].iAddress);
|
|
|
1913 |
// clear the break here
|
|
|
1914 |
TInt32 err = KErrNone;
|
|
|
1915 |
err = DoClearBreak(iBreakPointList[i].iId);
|
|
|
1916 |
|
|
|
1917 |
//If not able to clear the break point host debugger make obselete.
|
|
|
1918 |
if (KErrNone != err)
|
|
|
1919 |
{
|
|
|
1920 |
LOG_MSG2("Clearing process breakpoint at address %x failed", iBreakPointList[i].iAddress);
|
|
|
1921 |
}
|
|
|
1922 |
}
|
|
|
1923 |
}
|
|
|
1924 |
|
|
|
1925 |
return KErrNone;
|
|
|
1926 |
}
|
|
|
1927 |
|
|
|
1928 |
|
|
|
1929 |
//
|
|
|
1930 |
// DMetroTrkChannel::DoSetBreak
|
|
|
1931 |
//
|
|
|
1932 |
TInt DMetroTrkChannel::DoSetBreak(const TUint32 aProcessId, const TUint32 aThreadId, const TUint32 aAddress, const TBool aThumbMode, TInt32 &aId)
|
|
|
1933 |
{
|
|
|
1934 |
LOG_MSG("DMetroTrkChannel::DoSetBreak()");
|
|
|
1935 |
|
|
|
1936 |
// do not allow breakpoints in the excluded ROM region
|
|
|
1937 |
//if ((aAddress >= iExcludedROMAddressStart) && (aAddress < iExcludedROMAddressEnd))
|
|
|
1938 |
//{
|
|
|
1939 |
// return KErrNotSupported;
|
|
|
1940 |
//}
|
|
|
1941 |
|
|
|
1942 |
// make sure there is not already a breakpoint at this address
|
|
|
1943 |
for (TInt i = NUMBER_OF_TEMP_BREAKPOINTS; i < iBreakPointList.Count(); i++)
|
|
|
1944 |
{
|
|
|
1945 |
if (iBreakPointList[i].iAddress == aAddress)
|
|
|
1946 |
{
|
|
|
1947 |
return KErrAlreadyExists;
|
|
|
1948 |
}
|
|
|
1949 |
}
|
|
|
1950 |
|
|
|
1951 |
// increment the break id
|
|
|
1952 |
aId = iNextBreakId++;
|
|
|
1953 |
|
|
|
1954 |
// create the new breakpoint entry
|
|
|
1955 |
TBreakEntry breakEntry(aId, aThreadId, aAddress, aThumbMode);
|
|
|
1956 |
|
|
|
1957 |
// IDE currently sends non-thread specific breakpoints (threadId == 0xffffffff)
|
|
|
1958 |
// if this changes, we will get a real thread ID
|
|
|
1959 |
// This check must be done before calling DoEnableBreak as it will replace the
|
|
|
1960 |
// the breakentry threadId with a real one
|
|
|
1961 |
if (aThreadId == 0xFFFFFFFF)
|
|
|
1962 |
{
|
|
|
1963 |
breakEntry.iThreadSpecific = EFalse;
|
|
|
1964 |
breakEntry.iThreadId = aProcessId+1; //process wide break, just use the main thread id for this process
|
|
|
1965 |
}
|
|
|
1966 |
else
|
|
|
1967 |
{
|
|
|
1968 |
breakEntry.iThreadSpecific = ETrue;
|
|
|
1969 |
}
|
|
|
1970 |
|
|
|
1971 |
TInt err = DoEnableBreak(breakEntry, ETrue);
|
|
|
1972 |
|
|
|
1973 |
if (KErrNone == err)
|
|
|
1974 |
{
|
|
|
1975 |
ReturnIfError(iBreakPointList.Append(breakEntry));
|
|
|
1976 |
}
|
|
|
1977 |
|
|
|
1978 |
return err;
|
|
|
1979 |
}
|
|
|
1980 |
|
|
|
1981 |
|
|
|
1982 |
//
|
|
|
1983 |
// DMetroTrkChannel::DoEnableBreak
|
|
|
1984 |
//
|
|
|
1985 |
TInt DMetroTrkChannel::DoEnableBreak(TBreakEntry &aEntry, TBool aSaveOldInstruction)
|
|
|
1986 |
{
|
|
|
1987 |
LOG_MSG("DMetroTrkChannel::DoEnableBreak()");
|
|
|
1988 |
|
|
|
1989 |
// default to arm mode
|
|
|
1990 |
TUint32 inst = KArmBreakPoint;
|
|
|
1991 |
TInt instSize = 4;
|
|
|
1992 |
|
|
|
1993 |
if (aEntry.iThumbMode)
|
|
|
1994 |
{
|
|
|
1995 |
LOG_MSG("Thumb Breakpoint");
|
|
|
1996 |
inst = KThumbBreakPoint;
|
|
|
1997 |
instSize = 2;
|
|
|
1998 |
}
|
|
|
1999 |
|
|
|
2000 |
TInt err = KErrNone;
|
|
|
2001 |
|
|
|
2002 |
// Get thread id from the process that we are debugging
|
|
|
2003 |
TProcessInfo * proc = NULL;
|
|
|
2004 |
TUint32 threadId = NULL;
|
|
|
2005 |
|
|
|
2006 |
threadId = aEntry.iThreadId;
|
|
|
2007 |
|
|
|
2008 |
if (!threadId || threadId==0xFFFFFFFF) //threadId=0xFFFFFFFF is special case with CW debugger.
|
|
|
2009 |
{
|
|
|
2010 |
for (TInt i=0; i<iDebugProcessList.Count(); i++)
|
|
|
2011 |
{
|
|
|
2012 |
proc = &iDebugProcessList[i];
|
|
|
2013 |
if ( proc && (proc->iCodeAddress <= aEntry.iAddress) && (aEntry.iAddress <= (proc->iCodeAddress + proc->iCodeSize)))
|
|
|
2014 |
{
|
|
|
2015 |
threadId = proc->iId+1;
|
|
|
2016 |
break;
|
|
|
2017 |
}
|
|
|
2018 |
}
|
|
|
2019 |
}
|
|
|
2020 |
|
|
|
2021 |
DThread* threadObj = ThreadFromId(threadId);
|
|
|
2022 |
//if we don't have the right thread id for the address,
|
|
|
2023 |
//then try with the thread id of the process that we are debugging
|
|
|
2024 |
if (!threadObj && iDebugProcessList.Count())
|
|
|
2025 |
{
|
|
|
2026 |
proc = &iDebugProcessList[0];
|
|
|
2027 |
if (proc)
|
|
|
2028 |
{
|
|
|
2029 |
threadId = proc->iId+1;
|
|
|
2030 |
}
|
|
|
2031 |
threadObj = ThreadFromId(threadId);
|
|
|
2032 |
}
|
|
|
2033 |
|
|
|
2034 |
if (threadObj)
|
|
|
2035 |
{
|
|
|
2036 |
if (aSaveOldInstruction)
|
|
|
2037 |
{
|
|
|
2038 |
TUint32 instruction;
|
|
|
2039 |
|
|
|
2040 |
// read the instruction at the address so we can store it in the break entry for when we clear this breakpoint
|
|
|
2041 |
// trap exceptions in case the address is invalid
|
|
|
2042 |
XTRAPD(r, XT_DEFAULT, err = TryToReadMemory(threadObj, (TAny *)aEntry.iAddress, (TAny *)&instruction, instSize));
|
|
|
2043 |
|
|
|
2044 |
ReturnIfError((KErrNone == r) ? err : r);
|
|
|
2045 |
|
|
|
2046 |
aEntry.iInstruction.Copy((TUint8 *)&instruction, instSize);
|
|
|
2047 |
}
|
|
|
2048 |
|
|
|
2049 |
aEntry.iThreadId = threadId; //set the thread ID here
|
|
|
2050 |
XTRAPD(r, XT_DEFAULT, err = DebugSupport::ModifyCode(threadObj, aEntry.iAddress, instSize, inst, DebugSupport::EBreakpointGlobal));
|
|
|
2051 |
err = (DebugSupport::EBreakpointGlobal == r) ? KErrNone : r;
|
|
|
2052 |
}
|
|
|
2053 |
else
|
|
|
2054 |
{
|
|
|
2055 |
err = KErrBadHandle;
|
|
|
2056 |
}
|
|
|
2057 |
|
|
|
2058 |
|
|
|
2059 |
return err;
|
|
|
2060 |
}
|
|
|
2061 |
|
|
|
2062 |
//
|
|
|
2063 |
// DMetroTrkChannel::DoClearBreak
|
|
|
2064 |
//
|
|
|
2065 |
TInt DMetroTrkChannel::DoClearBreak(const TInt32 aId)
|
|
|
2066 |
{
|
|
|
2067 |
LOG_MSG("DMetroTrkChannel::DoClearBreak()");
|
|
|
2068 |
|
|
|
2069 |
// find the break entry matching this id. note that the breakpoints are already sorted in ascending order by id
|
|
|
2070 |
TBreakEntry entry;
|
|
|
2071 |
entry.iId = aId;
|
|
|
2072 |
TInt index = iBreakPointList.FindInSignedKeyOrder(entry);
|
|
|
2073 |
|
|
|
2074 |
TInt err = KErrNone;
|
|
|
2075 |
if (index >= 0)
|
|
|
2076 |
{
|
|
|
2077 |
// if this breakpoint was set in a library and that library has already been unloaded, don't try to clear it
|
|
|
2078 |
if (!iBreakPointList[index].iObsoleteLibraryBreakpoint)
|
|
|
2079 |
{
|
|
|
2080 |
LOG_MSG2("Clearing breakpoint at address %x", iBreakPointList[index].iAddress);
|
|
|
2081 |
|
|
|
2082 |
DThread* threadObj = ThreadFromId(iBreakPointList[index].iThreadId);
|
|
|
2083 |
// In case of multiple memory model, if the thread doesn't exist any more, don't try to clear it.
|
|
|
2084 |
// For example it might be in a static library which was unloaded when the thread exited,
|
|
|
2085 |
// but we didn't get told so we didn't mark it as iObsoleteLibraryBreakpoint.
|
|
|
2086 |
if (threadObj != NULL)
|
|
|
2087 |
{
|
|
|
2088 |
XTRAPD(r, XT_DEFAULT, err = DebugSupport::RestoreCode(threadObj, iBreakPointList[index].iAddress));
|
|
|
2089 |
err = (KErrNone == r) ? err : r;
|
|
|
2090 |
|
|
|
2091 |
}
|
|
|
2092 |
else
|
|
|
2093 |
{
|
|
|
2094 |
err = KErrBadHandle;
|
|
|
2095 |
}
|
|
|
2096 |
}
|
|
|
2097 |
|
|
|
2098 |
if (KErrNone == err)
|
|
|
2099 |
{
|
|
|
2100 |
// if this is a temp breakpoint, just clear out the values, otherwise remove it from the list
|
|
|
2101 |
if (index < NUMBER_OF_TEMP_BREAKPOINTS)
|
|
|
2102 |
{
|
|
|
2103 |
iBreakPointList[index].Reset();
|
|
|
2104 |
}
|
|
|
2105 |
else
|
|
|
2106 |
{
|
|
|
2107 |
iBreakPointList.Remove(index);
|
|
|
2108 |
}
|
|
|
2109 |
}
|
|
|
2110 |
else
|
|
|
2111 |
{
|
|
|
2112 |
LOG_MSG2("Error clearing breakpoint %d", err);
|
|
|
2113 |
}
|
|
|
2114 |
|
|
|
2115 |
return err;
|
|
|
2116 |
}
|
|
|
2117 |
|
|
|
2118 |
LOG_MSG2("Break Id %d not found", aId);
|
|
|
2119 |
|
|
|
2120 |
return KErrNotFound;
|
|
|
2121 |
}
|
|
|
2122 |
|
|
|
2123 |
|
|
|
2124 |
//
|
|
|
2125 |
// DMetroTrkChannel::DoChangeBreakThread
|
|
|
2126 |
//
|
|
|
2127 |
TInt DMetroTrkChannel::DoChangeBreakThread(TUint32 aThreadId, TInt32 aId)
|
|
|
2128 |
{
|
|
|
2129 |
LOG_MSG("DMetroTrkChannel::DoChangeBreakThread()");
|
|
|
2130 |
|
|
|
2131 |
// find the break entry matching this id. note that the breakpoints are already sorted in ascending order by id
|
|
|
2132 |
TBreakEntry entry;
|
|
|
2133 |
entry.iId = aId;
|
|
|
2134 |
TInt index = iBreakPointList.FindInSignedKeyOrder(entry);
|
|
|
2135 |
|
|
|
2136 |
if (index >=0)
|
|
|
2137 |
{
|
|
|
2138 |
// change the thread id for this breakpoint
|
|
|
2139 |
iBreakPointList[index].iThreadId = aThreadId;
|
|
|
2140 |
return KErrNone;
|
|
|
2141 |
}
|
|
|
2142 |
|
|
|
2143 |
return KErrNotFound;
|
|
|
2144 |
}
|
|
|
2145 |
|
|
|
2146 |
//
|
|
|
2147 |
// DMetroTrkChannel::DoSuspendThread
|
|
|
2148 |
//
|
|
|
2149 |
TInt DMetroTrkChannel::DoSuspendThread(DThread *aThread)
|
|
|
2150 |
{
|
|
|
2151 |
LOG_MSG("DMetroTrkChannel::DoSuspendThread()");
|
|
|
2152 |
|
|
|
2153 |
if (!aThread)
|
|
|
2154 |
{
|
|
|
2155 |
LOG_MSG("Invalid dthread object");
|
|
|
2156 |
return KErrArgument;
|
|
|
2157 |
}
|
|
|
2158 |
|
|
|
2159 |
NThread nThread = aThread->iNThread;
|
|
|
2160 |
|
|
|
2161 |
if (nThread.iSuspendCount == 0)
|
|
|
2162 |
Kern::ThreadSuspend(*aThread, 1);
|
|
|
2163 |
|
|
|
2164 |
return KErrNone;
|
|
|
2165 |
}
|
|
|
2166 |
|
|
|
2167 |
//
|
|
|
2168 |
// DMetroTrkChannel::DoResumeThread
|
|
|
2169 |
//
|
|
|
2170 |
TInt DMetroTrkChannel::DoResumeThread(DThread *aThread)
|
|
|
2171 |
{
|
|
|
2172 |
LOG_MSG("DMetroTrkChannel::DoResumeThread()");
|
|
|
2173 |
|
|
|
2174 |
if (!aThread)
|
|
|
2175 |
return KErrArgument;
|
|
|
2176 |
|
|
|
2177 |
// get the current PC
|
|
|
2178 |
TUint32 currentPC = ReadRegister(aThread, PC_REGISTER);
|
|
|
2179 |
|
|
|
2180 |
// if there is a breakpoint at the current PC, we need to single step past it
|
|
|
2181 |
for (TInt i=NUMBER_OF_TEMP_BREAKPOINTS; i<iBreakPointList.Count(); i++)
|
|
|
2182 |
{
|
|
|
2183 |
if (iBreakPointList[i].iAddress == currentPC)
|
|
|
2184 |
{
|
|
|
2185 |
return DoStepRange(aThread, currentPC, currentPC+1, ETrue, ETrue);
|
|
|
2186 |
}
|
|
|
2187 |
}
|
|
|
2188 |
|
|
|
2189 |
// PANIC_BACKPORT
|
|
|
2190 |
// if frozen use semaphore
|
|
|
2191 |
for(TInt i=0; i<iFrozenThreadSemaphores.Count(); i++)
|
|
|
2192 |
{
|
|
|
2193 |
if(iFrozenThreadSemaphores[i]->iOwningThread == &aThread->iNThread)
|
|
|
2194 |
{
|
|
|
2195 |
NKern::FSSignal(iFrozenThreadSemaphores[i]);
|
|
|
2196 |
NKern::ThreadEnterCS();
|
|
|
2197 |
delete iFrozenThreadSemaphores[i];
|
|
|
2198 |
NKern::ThreadLeaveCS();
|
|
|
2199 |
iFrozenThreadSemaphores.Remove(i);
|
|
|
2200 |
return KErrNone;
|
|
|
2201 |
}
|
|
|
2202 |
}
|
|
|
2203 |
// END PANIC_BACKPORT
|
|
|
2204 |
|
|
|
2205 |
// else use ThreadResume
|
|
|
2206 |
Kern::ThreadResume(*aThread);
|
|
|
2207 |
|
|
|
2208 |
return KErrNone;
|
|
|
2209 |
}
|
|
|
2210 |
|
|
|
2211 |
//
|
|
|
2212 |
// DMetroTrkChannel::DoStepRange
|
|
|
2213 |
//
|
|
|
2214 |
TInt DMetroTrkChannel::DoStepRange(DThread *aThread, const TUint32 aStartAddress, const TUint32 aStopAddress, TBool aStepInto, TBool aResumeOnceOutOfRange, TBool aUserRequest)
|
|
|
2215 |
{
|
|
|
2216 |
LOG_MSG("DMetroTrkChannel::DoStepRange()");
|
|
|
2217 |
|
|
|
2218 |
if (!aThread)
|
|
|
2219 |
return KErrArgument;
|
|
|
2220 |
|
|
|
2221 |
TUint32 startAddress = (aStartAddress & 0x1) ? aStartAddress + 1 : aStartAddress;
|
|
|
2222 |
TUint32 stopAddress = (aStopAddress & 0x1) ? aStopAddress + 1 : aStopAddress;
|
|
|
2223 |
|
|
|
2224 |
// don't allow the user to step in the excluded ROM region. this could be called
|
|
|
2225 |
// internally however. for example, the the special breakpoints we set to handle
|
|
|
2226 |
// panics, exceptions, and library loaded events are in the user library, and we
|
|
|
2227 |
// will need to step past the breakpoint before continuing the thread.
|
|
|
2228 |
//if (aUserRequest && (startAddress >= iExcludedROMAddressStart) && (startAddress < iExcludedROMAddressEnd))
|
|
|
2229 |
//{
|
|
|
2230 |
// return KErrNotSupported;
|
|
|
2231 |
//}
|
|
|
2232 |
|
|
|
2233 |
// set the temp breakpoint, and disable the breakpoint at the current PC if necessary
|
|
|
2234 |
// if its not a user request, and we are just trying to resume from a breakpoint,
|
|
|
2235 |
// then we don't need to check for stubs. The last parameter aUserRequest tells
|
|
|
2236 |
// ModifyBreaksForStep to check for stubs or not. In some cases, the check for stubs
|
|
|
2237 |
// is true even if its not a user request.For example, this is true in cases where
|
|
|
2238 |
// we are doing a step range and the instruction in the range modified PC.
|
|
|
2239 |
// in this case, DoStepRange will be called from the exception handler where
|
|
|
2240 |
// we need to check for the stubs for the valid behavior. So truly, we don't need to check
|
|
|
2241 |
// for stubs only when resuming from a breakpoint.
|
|
|
2242 |
ReturnIfError(ModifyBreaksForStep(aThread, startAddress, stopAddress, aStepInto, aResumeOnceOutOfRange, aUserRequest));
|
|
|
2243 |
|
|
|
2244 |
// PANIC_BACKPORT
|
|
|
2245 |
// if frozen use semaphore
|
|
|
2246 |
for(TInt i=0; i<iFrozenThreadSemaphores.Count(); i++)
|
|
|
2247 |
{
|
|
|
2248 |
if(iFrozenThreadSemaphores[i]->iOwningThread == &aThread->iNThread)
|
|
|
2249 |
{
|
|
|
2250 |
NKern::FSSignal(iFrozenThreadSemaphores[i]);
|
|
|
2251 |
NKern::ThreadEnterCS();
|
|
|
2252 |
delete iFrozenThreadSemaphores[i];
|
|
|
2253 |
NKern::ThreadLeaveCS();
|
|
|
2254 |
iFrozenThreadSemaphores.Remove(i);
|
|
|
2255 |
return KErrNone;
|
|
|
2256 |
}
|
|
|
2257 |
}
|
|
|
2258 |
|
|
|
2259 |
// END PANIC_BACKPORT
|
|
|
2260 |
// else use ThreadResume
|
|
|
2261 |
Kern::ThreadResume(*aThread);
|
|
|
2262 |
|
|
|
2263 |
return KErrNone;
|
|
|
2264 |
}
|
|
|
2265 |
|
|
|
2266 |
//
|
|
|
2267 |
// DMetroTrkChannel::DoReadMemory
|
|
|
2268 |
//
|
|
|
2269 |
TInt DMetroTrkChannel::DoReadMemory(DThread *aThread, const TUint32 aAddress, const TInt16 aLength, TDes8 &aData)
|
|
|
2270 |
{
|
|
|
2271 |
LOG_MSG("DMetroTrkChannel::DoReadMemory()");
|
|
|
2272 |
|
|
|
2273 |
// make sure the parameters are valid
|
|
|
2274 |
if (aLength > aData.MaxSize())
|
|
|
2275 |
return KErrArgument;
|
|
|
2276 |
|
|
|
2277 |
TInt err = KErrNone;
|
|
|
2278 |
|
|
|
2279 |
// trap exceptions in case the address is invalid
|
|
|
2280 |
XTRAPD(r, XT_DEFAULT, err = TryToReadMemory(aThread, (TAny *)aAddress, (TAny *)aData.Ptr(), aLength));
|
|
|
2281 |
|
|
|
2282 |
err = (KErrNone == r) ? err : r;
|
|
|
2283 |
|
|
|
2284 |
if (KErrNone == err)
|
|
|
2285 |
{
|
|
|
2286 |
aData.SetLength(aLength);
|
|
|
2287 |
|
|
|
2288 |
TPtr8 data((TUint8 *)aData.Ptr(), aLength, aLength);
|
|
|
2289 |
|
|
|
2290 |
// if we have any breakpoints in this range, put the actual instruction in the buffer
|
|
|
2291 |
for (TInt i = NUMBER_OF_TEMP_BREAKPOINTS; i < iBreakPointList.Count(); i++)
|
|
|
2292 |
{
|
|
|
2293 |
if ((iBreakPointList[i].iAddress >= aAddress) && (iBreakPointList[i].iAddress < (aAddress + aLength)))
|
|
|
2294 |
{
|
|
|
2295 |
TInt instSize = (TInt)(iBreakPointList[i].iThumbMode ? 2 : 4);
|
|
|
2296 |
memcpy((TAny*)&data[iBreakPointList[i].iAddress - aAddress], (TAny *)iBreakPointList[i].iInstruction.Ptr(), instSize);
|
|
|
2297 |
}
|
|
|
2298 |
}
|
|
|
2299 |
}
|
|
|
2300 |
|
|
|
2301 |
return err;
|
|
|
2302 |
}
|
|
|
2303 |
|
|
|
2304 |
//
|
|
|
2305 |
// DMetroTrkChannel::DoWriteMemory
|
|
|
2306 |
//
|
|
|
2307 |
TInt DMetroTrkChannel::DoWriteMemory(DThread *aThread, const TUint32 aAddress, const TInt16 aLength, TDes8 &aData)
|
|
|
2308 |
{
|
|
|
2309 |
LOG_MSG("DMetroTrkChannel::DoWriteMemory()");
|
|
|
2310 |
|
|
|
2311 |
// make sure the parameters are valid
|
|
|
2312 |
if (aLength > aData.Length())
|
|
|
2313 |
return KErrArgument;
|
|
|
2314 |
|
|
|
2315 |
TInt err = KErrNone;
|
|
|
2316 |
|
|
|
2317 |
// trap exceptions in case the address is invalid
|
|
|
2318 |
XTRAPD(r, XT_DEFAULT, err = TryToWriteMemory(aThread, (TAny *)aAddress, (TAny *)aData.Ptr(), aLength));
|
|
|
2319 |
|
|
|
2320 |
err = (KErrNone == r) ? err : r;
|
|
|
2321 |
|
|
|
2322 |
// reset any breakpoints we may have just overwritten
|
|
|
2323 |
if (KErrNone == err)
|
|
|
2324 |
{
|
|
|
2325 |
TPtr8 data((TUint8 *)aData.Ptr(), aLength, aLength);
|
|
|
2326 |
|
|
|
2327 |
for (TInt i = NUMBER_OF_TEMP_BREAKPOINTS; i < iBreakPointList.Count(); i++)
|
|
|
2328 |
{
|
|
|
2329 |
if ((iBreakPointList[i].iAddress >= aAddress) && (iBreakPointList[i].iAddress < (aAddress + aLength)))
|
|
|
2330 |
{
|
|
|
2331 |
// default to arm mode
|
|
|
2332 |
TUint32 inst = KArmBreakPoint;
|
|
|
2333 |
TInt instSize = 4;
|
|
|
2334 |
|
|
|
2335 |
if (iBreakPointList[i].iThumbMode)
|
|
|
2336 |
{
|
|
|
2337 |
inst = KThumbBreakPoint;
|
|
|
2338 |
instSize = 2;
|
|
|
2339 |
}
|
|
|
2340 |
|
|
|
2341 |
iBreakPointList[i].iInstruction.Copy(&data[iBreakPointList[i].iAddress - aAddress], instSize);
|
|
|
2342 |
//memcpy((TAny*)iBreakPointList[i].iAddress, (TAny *)&inst, instSize);
|
|
|
2343 |
TryToWriteMemory(aThread, (TAny*)iBreakPointList[i].iAddress, (TAny *)&inst, instSize);
|
|
|
2344 |
}
|
|
|
2345 |
}
|
|
|
2346 |
|
|
|
2347 |
}
|
|
|
2348 |
|
|
|
2349 |
return err;
|
|
|
2350 |
}
|
|
|
2351 |
|
|
|
2352 |
//
|
|
|
2353 |
// DMetroTrkChannel::DoReadRegisters
|
|
|
2354 |
//
|
|
|
2355 |
TInt DMetroTrkChannel::DoReadRegisters(DThread *aThread, const TInt16 aFirstRegister, const TInt16 aLastRegister, TDes8 &aValues)
|
|
|
2356 |
{
|
|
|
2357 |
LOG_MSG("DMetroTrkChannel::DoReadRegisters()");
|
|
|
2358 |
|
|
|
2359 |
// make sure the parameters are valid
|
|
|
2360 |
if (!aThread || (aFirstRegister < 0) || (aLastRegister >= (TInt16)(sizeof(TArmRegSet)/sizeof(TArmReg))))
|
|
|
2361 |
return KErrArgument;
|
|
|
2362 |
|
|
|
2363 |
// make sure the descriptor is big enough to hold the requested data
|
|
|
2364 |
if ((TInt)((aLastRegister - aFirstRegister + 1) * sizeof(TArmReg)) > (aValues.MaxSize()))
|
|
|
2365 |
return KErrArgument;
|
|
|
2366 |
|
|
|
2367 |
TArmRegSet regSet;
|
|
|
2368 |
TUint32 unused;
|
|
|
2369 |
|
|
|
2370 |
#ifdef SUPPORT_KERNCONTEXT
|
|
|
2371 |
NKern::Lock(); // lock the kernel before callin UserContextType as its required by this function
|
|
|
2372 |
NThread nThread = aThread->iNThread;
|
|
|
2373 |
NThread::TUserContextType userContextType = nThread.UserContextType();
|
|
|
2374 |
NKern::Unlock(); //unlock the kernel now
|
|
|
2375 |
|
|
|
2376 |
if (userContextType == NThread::EContextNone || userContextType == NThread::EContextKernel)
|
|
|
2377 |
{
|
|
|
2378 |
//NKern::ThreadGetSystemContext(&aThread->iNThread, ®Set, unused);
|
|
|
2379 |
if (!GetSystemThreadRegisters(®Set))
|
|
|
2380 |
return KErrGeneral;
|
|
|
2381 |
}
|
|
|
2382 |
else
|
|
|
2383 |
#endif
|
|
|
2384 |
{
|
|
|
2385 |
NKern::ThreadGetUserContext(&aThread->iNThread, ®Set, unused);
|
|
|
2386 |
}
|
|
|
2387 |
|
|
|
2388 |
TArmReg *reg = ®Set.iR0;
|
|
|
2389 |
|
|
|
2390 |
if (!reg)
|
|
|
2391 |
return KErrGeneral;
|
|
|
2392 |
|
|
|
2393 |
for (TInt16 i = aFirstRegister; i <= aLastRegister; i++)
|
|
|
2394 |
aValues.Append((TUint8 *)®[i], sizeof(TArmReg));
|
|
|
2395 |
|
|
|
2396 |
return KErrNone;
|
|
|
2397 |
}
|
|
|
2398 |
|
|
|
2399 |
//
|
|
|
2400 |
// DMetroTrkChannel::DoWriteRegisters
|
|
|
2401 |
//
|
|
|
2402 |
TInt DMetroTrkChannel::DoWriteRegisters(DThread *aThread, const TInt16 aFirstRegister, const TInt16 aLastRegister, TDesC8 &aValues)
|
|
|
2403 |
{
|
|
|
2404 |
LOG_MSG("DMetroTrkChannel::DoWriteRegisters()");
|
|
|
2405 |
|
|
|
2406 |
// make sure the parameters are valid
|
|
|
2407 |
if (!aThread || (aFirstRegister < 0) || (aLastRegister >= (TInt16)(sizeof(TArmRegSet)/sizeof(TArmReg))))
|
|
|
2408 |
return KErrArgument;
|
|
|
2409 |
|
|
|
2410 |
// make sure the descriptor is big enough to hold the data to write
|
|
|
2411 |
if ((TInt)((aLastRegister - aFirstRegister + 1) * sizeof(TArmReg)) > (aValues.Length()))
|
|
|
2412 |
return KErrArgument;
|
|
|
2413 |
|
|
|
2414 |
TArmRegSet regSet;
|
|
|
2415 |
TUint32 unused;
|
|
|
2416 |
|
|
|
2417 |
NKern::ThreadGetUserContext(&aThread->iNThread, ®Set, unused);
|
|
|
2418 |
|
|
|
2419 |
TArmReg *reg = ®Set.iR0;
|
|
|
2420 |
|
|
|
2421 |
for (TInt16 i = aFirstRegister; i <= aLastRegister; i++)
|
|
|
2422 |
{
|
|
|
2423 |
#ifndef __OEM_TRK__
|
|
|
2424 |
if (IsRegisterSecure(i))
|
|
|
2425 |
return KErrNotSupported;
|
|
|
2426 |
#endif
|
|
|
2427 |
reg[i] = *(TUint32 *)&aValues[(i-aFirstRegister)*sizeof(TArmReg)];
|
|
|
2428 |
}
|
|
|
2429 |
|
|
|
2430 |
|
|
|
2431 |
NKern::ThreadSetUserContext(&aThread->iNThread, ®Set);
|
|
|
2432 |
|
|
|
2433 |
return KErrNone;
|
|
|
2434 |
}
|
|
|
2435 |
|
|
|
2436 |
//
|
|
|
2437 |
// DMetroTrkChannel::DoGetProcessInfo
|
|
|
2438 |
//
|
|
|
2439 |
TInt DMetroTrkChannel::DoGetProcessInfo(const TInt aIndex, TMetroTrkTaskInfo *aInfo)
|
|
|
2440 |
{
|
|
|
2441 |
LOG_MSG("DMetroTrkChannel::DoGetProcessInfo()");
|
|
|
2442 |
|
|
|
2443 |
DObjectCon *processes = Kern::Containers()[EProcess];
|
|
|
2444 |
if (!processes)
|
|
|
2445 |
return KErrGeneral;
|
|
|
2446 |
|
|
|
2447 |
TInt err = KErrNone;
|
|
|
2448 |
|
|
|
2449 |
NKern::ThreadEnterCS(); // Prevent us from dying or suspending whilst holding a DMutex
|
|
|
2450 |
processes->Wait(); // Obtain the container mutex so the list does get changed under us
|
|
|
2451 |
|
|
|
2452 |
// make sure the index is valid
|
|
|
2453 |
if ((aIndex >= 0) && (aIndex < processes->Count())) // >= because the index is zero based
|
|
|
2454 |
{
|
|
|
2455 |
DProcess *process = (DProcess *)((*processes)[aIndex]);
|
|
|
2456 |
|
|
|
2457 |
if (process)
|
|
|
2458 |
{
|
|
|
2459 |
process->Name(aInfo->iName);
|
|
|
2460 |
aInfo->iId = process->iId;
|
|
|
2461 |
aInfo->iPriority = (TUint32)process->iPriority;
|
|
|
2462 |
}
|
|
|
2463 |
else
|
|
|
2464 |
{
|
|
|
2465 |
LOG_MSG2("Process %d not found", aIndex);
|
|
|
2466 |
err = KErrArgument;
|
|
|
2467 |
}
|
|
|
2468 |
}
|
|
|
2469 |
else
|
|
|
2470 |
{
|
|
|
2471 |
err = KErrArgument;
|
|
|
2472 |
}
|
|
|
2473 |
|
|
|
2474 |
processes->Signal();
|
|
|
2475 |
NKern::ThreadLeaveCS();
|
|
|
2476 |
|
|
|
2477 |
return err;
|
|
|
2478 |
}
|
|
|
2479 |
|
|
|
2480 |
//
|
|
|
2481 |
// DMetroTrkChannel::DoGetThreadInfo
|
|
|
2482 |
//
|
|
|
2483 |
TInt DMetroTrkChannel::DoGetThreadInfo(const TInt aIndex, TMetroTrkTaskInfo *aInfo)
|
|
|
2484 |
{
|
|
|
2485 |
LOG_MSG("DMetroTrkChannel::DoGetThreadInfo()");
|
|
|
2486 |
|
|
|
2487 |
DObjectCon *threads = Kern::Containers()[EThread];
|
|
|
2488 |
if (!threads)
|
|
|
2489 |
return KErrGeneral;
|
|
|
2490 |
|
|
|
2491 |
NKern::ThreadEnterCS(); // Prevent us from dying or suspending whilst holding a DMutex
|
|
|
2492 |
threads->Wait(); // Obtain the container mutex so the list does get changed under us
|
|
|
2493 |
|
|
|
2494 |
TInt err = KErrNone;
|
|
|
2495 |
if ((aIndex >= 0) && (aIndex < threads->Count()))
|
|
|
2496 |
{
|
|
|
2497 |
DThread *thread = NULL;
|
|
|
2498 |
|
|
|
2499 |
TInt threadsForProcessCount = 0;
|
|
|
2500 |
TBool found = EFalse;
|
|
|
2501 |
|
|
|
2502 |
for (TInt i=0; i<threads->Count(); i++)
|
|
|
2503 |
{
|
|
|
2504 |
thread = (DThread *)((*threads)[i]);
|
|
|
2505 |
|
|
|
2506 |
if (thread && (aInfo->iOtherId == thread->iOwningProcess->iId))
|
|
|
2507 |
{
|
|
|
2508 |
if (threadsForProcessCount == aIndex)
|
|
|
2509 |
{
|
|
|
2510 |
thread->Name(aInfo->iName);
|
|
|
2511 |
aInfo->iId = thread->iId;
|
|
|
2512 |
aInfo->iPriority = (TUint32)thread->iThreadPriority;
|
|
|
2513 |
found = ETrue;
|
|
|
2514 |
break;
|
|
|
2515 |
}
|
|
|
2516 |
threadsForProcessCount++;
|
|
|
2517 |
}
|
|
|
2518 |
}
|
|
|
2519 |
|
|
|
2520 |
if (!found)
|
|
|
2521 |
{
|
|
|
2522 |
LOG_MSG("Thread for process matching index not found");
|
|
|
2523 |
err = KErrArgument;
|
|
|
2524 |
}
|
|
|
2525 |
|
|
|
2526 |
}
|
|
|
2527 |
else
|
|
|
2528 |
{
|
|
|
2529 |
err = KErrArgument;
|
|
|
2530 |
}
|
|
|
2531 |
|
|
|
2532 |
threads->Signal();
|
|
|
2533 |
NKern::ThreadLeaveCS();
|
|
|
2534 |
|
|
|
2535 |
return err;
|
|
|
2536 |
}
|
|
|
2537 |
|
|
|
2538 |
//
|
|
|
2539 |
// DMetroTrkChannel::DoGetProcessAddresses
|
|
|
2540 |
//
|
|
|
2541 |
TInt DMetroTrkChannel::DoGetProcessAddresses(DThread *aThread, TUint32 &aCodeAddress, TUint32 &aDataAddress)
|
|
|
2542 |
{
|
|
|
2543 |
LOG_MSG("DMetroTrkChannel::DoGetProcessAddresses()");
|
|
|
2544 |
|
|
|
2545 |
if (!aThread)
|
|
|
2546 |
return KErrArgument;
|
|
|
2547 |
|
|
|
2548 |
#ifndef __OEM_TRK__
|
|
|
2549 |
if (HasManufacturerCaps(aThread))
|
|
|
2550 |
return KErrPermissionDenied;
|
|
|
2551 |
#endif
|
|
|
2552 |
|
|
|
2553 |
DProcess *process = (DProcess *)aThread->iOwningProcess;
|
|
|
2554 |
|
|
|
2555 |
if (!process)
|
|
|
2556 |
return KErrArgument;
|
|
|
2557 |
|
|
|
2558 |
DCodeSeg* codeSeg = process->iCodeSeg;
|
|
|
2559 |
if (!codeSeg)
|
|
|
2560 |
return KErrArgument;
|
|
|
2561 |
|
|
|
2562 |
TModuleMemoryInfo processMemoryInfo;
|
|
|
2563 |
TInt err = codeSeg->GetMemoryInfo(processMemoryInfo, process);
|
|
|
2564 |
if (err != KErrNone)
|
|
|
2565 |
return err;
|
|
|
2566 |
|
|
|
2567 |
aCodeAddress = processMemoryInfo.iCodeBase;
|
|
|
2568 |
aDataAddress = processMemoryInfo.iInitialisedDataBase;
|
|
|
2569 |
|
|
|
2570 |
//add this process to the list of processes that we are debugging
|
|
|
2571 |
TProcessInfo processInfo(process->iId, aCodeAddress, processMemoryInfo.iCodeSize, aDataAddress);
|
|
|
2572 |
iDebugProcessList.Append(processInfo);
|
|
|
2573 |
|
|
|
2574 |
return KErrNone;
|
|
|
2575 |
}
|
|
|
2576 |
|
|
|
2577 |
//
|
|
|
2578 |
// DMetroTrkChannel::DoGetStaticLibraryInfo
|
|
|
2579 |
//
|
|
|
2580 |
|
|
|
2581 |
TInt DMetroTrkChannel::DoGetStaticLibraryInfo(const TInt aIndex, SEventInfo *aInfo)
|
|
|
2582 |
{
|
|
|
2583 |
LOG_MSG("DMetroTrkChannel::DoGetStaticLibraryInfo()");
|
|
|
2584 |
|
|
|
2585 |
if (!aInfo)
|
|
|
2586 |
return KErrArgument;
|
|
|
2587 |
|
|
|
2588 |
DThread *thread = ThreadFromId(aInfo->iThreadId);
|
|
|
2589 |
|
|
|
2590 |
if (!thread)
|
|
|
2591 |
return KErrArgument;
|
|
|
2592 |
|
|
|
2593 |
DProcess *process = (DProcess *)thread->iOwningProcess;
|
|
|
2594 |
|
|
|
2595 |
|
|
|
2596 |
if (!process)
|
|
|
2597 |
return KErrArgument;
|
|
|
2598 |
|
|
|
2599 |
|
|
|
2600 |
DCodeSeg *processCodeSeg = process->iCodeSeg;
|
|
|
2601 |
|
|
|
2602 |
if (!processCodeSeg)
|
|
|
2603 |
return KErrArgument;
|
|
|
2604 |
|
|
|
2605 |
int count = processCodeSeg->iDepCount;
|
|
|
2606 |
LOG_MSG2("code segment count %d", count);
|
|
|
2607 |
|
|
|
2608 |
|
|
|
2609 |
if (aIndex < 0 || aIndex >= count)
|
|
|
2610 |
return KErrArgument;
|
|
|
2611 |
|
|
|
2612 |
DCodeSeg **codeSegList = processCodeSeg->iDeps;
|
|
|
2613 |
if (!codeSegList)
|
|
|
2614 |
return KErrArgument;
|
|
|
2615 |
|
|
|
2616 |
DCodeSeg* codeSeg = codeSegList[aIndex];
|
|
|
2617 |
if (!codeSeg)
|
|
|
2618 |
{
|
|
|
2619 |
return KErrArgument;
|
|
|
2620 |
}
|
|
|
2621 |
if (!codeSeg->IsDll())
|
|
|
2622 |
{
|
|
|
2623 |
LOG_MSG(" -- code segment is not for a dll");
|
|
|
2624 |
return KErrArgument;
|
|
|
2625 |
}
|
|
|
2626 |
TModuleMemoryInfo memoryInfo;
|
|
|
2627 |
TInt err = codeSeg->GetMemoryInfo(memoryInfo, NULL); //NULL for DProcess should be ok;
|
|
|
2628 |
if (err != KErrNone)
|
|
|
2629 |
{
|
|
|
2630 |
LOG_MSG2("Error in getting TModuleMemoryInfo info: %d", err);
|
|
|
2631 |
return KErrArgument;
|
|
|
2632 |
}
|
|
|
2633 |
|
|
|
2634 |
aInfo->iEventType = SEventInfo::ELibraryLoaded;
|
|
|
2635 |
aInfo->iFileName.Copy(*(codeSeg->iFileName)); //just the name, without uid info.
|
|
|
2636 |
aInfo->iCodeAddress = memoryInfo.iCodeBase;
|
|
|
2637 |
aInfo->iDataAddress = memoryInfo.iInitialisedDataBase;
|
|
|
2638 |
//this way, host debugger will not resume the thread, instead engine will resume
|
|
|
2639 |
//after going through the list of all static libraries..
|
|
|
2640 |
aInfo->iThreadId = 0xFFFFFFFF;
|
|
|
2641 |
|
|
|
2642 |
LOG_MSG2("library name: %S", codeSeg->iFileName);
|
|
|
2643 |
LOG_MSG2("code address: %x", aInfo->iCodeAddress);
|
|
|
2644 |
LOG_MSG2("data address: %x", aInfo->iDataAddress);
|
|
|
2645 |
|
|
|
2646 |
return KErrNone;
|
|
|
2647 |
}
|
|
|
2648 |
|
|
|
2649 |
|
|
|
2650 |
//
|
|
|
2651 |
// DMetroTrkChannel::DoGetLibraryInfo
|
|
|
2652 |
//
|
|
|
2653 |
TInt DMetroTrkChannel::DoGetLibraryInfo(TDesC8 &aDllName, TMetroTrkLibInfo *aInfo)
|
|
|
2654 |
{
|
|
|
2655 |
LOG_MSG("DMetroTrkChannel::DoGetLibraryInfo()");
|
|
|
2656 |
|
|
|
2657 |
TInt err = KErrArgument;
|
|
|
2658 |
|
|
|
2659 |
if (!aInfo)
|
|
|
2660 |
return err;
|
|
|
2661 |
|
|
|
2662 |
err = DoGetLibInfoFromCodeSegList(aDllName, aInfo);
|
|
|
2663 |
|
|
|
2664 |
return err;
|
|
|
2665 |
}
|
|
|
2666 |
|
|
|
2667 |
//
|
|
|
2668 |
// DMetroTrkChannel::DoGetExeInfo
|
|
|
2669 |
//
|
|
|
2670 |
TInt DMetroTrkChannel::DoGetExeInfo(TDesC8 &aExeName, TMetroTrkExeInfo* aExeInfo)
|
|
|
2671 |
{
|
|
|
2672 |
LOG_MSG("DMetroTrkChannel::DoGetExeInfo()");
|
|
|
2673 |
|
|
|
2674 |
DObjectCon *processes = Kern::Containers()[EProcess];
|
|
|
2675 |
if (!processes)
|
|
|
2676 |
return KErrGeneral;
|
|
|
2677 |
|
|
|
2678 |
NKern::ThreadEnterCS(); // Prevent us from dying or suspending whilst holding a DMutex
|
|
|
2679 |
processes->Wait(); // Obtain the container mutex so the list does get changed under us
|
|
|
2680 |
|
|
|
2681 |
TInt err = KErrNotFound; //set err to KErrNotFound
|
|
|
2682 |
for (TInt i=0; i < processes->Count(); i++) // >= because the index is zero based
|
|
|
2683 |
{
|
|
|
2684 |
DProcess *process = (DProcess *)((*processes)[i]);
|
|
|
2685 |
if (process && (0x0 != aExeInfo->iUid) && (aExeInfo->iUid == process->iUids.iUid[2].iUid))
|
|
|
2686 |
{
|
|
|
2687 |
DCodeSeg* codeSeg = process->iCodeSeg;
|
|
|
2688 |
DThread* mainThread = process->FirstThread();
|
|
|
2689 |
if (codeSeg && mainThread)
|
|
|
2690 |
{
|
|
|
2691 |
aExeInfo->iProcessID = process->iId;
|
|
|
2692 |
aExeInfo->iThreadID = mainThread->iId;
|
|
|
2693 |
|
|
|
2694 |
TModuleMemoryInfo memoryInfo;
|
|
|
2695 |
err = codeSeg->GetMemoryInfo(memoryInfo, NULL);
|
|
|
2696 |
if (KErrNone == err)
|
|
|
2697 |
{
|
|
|
2698 |
aExeInfo->iCodeAddress = memoryInfo.iCodeBase;
|
|
|
2699 |
aExeInfo->iDataAddress = memoryInfo.iInitialisedDataBase;
|
|
|
2700 |
break;
|
|
|
2701 |
}
|
|
|
2702 |
}
|
|
|
2703 |
}
|
|
|
2704 |
}
|
|
|
2705 |
|
|
|
2706 |
processes->Signal();
|
|
|
2707 |
NKern::ThreadLeaveCS();
|
|
|
2708 |
|
|
|
2709 |
return err;
|
|
|
2710 |
}
|
|
|
2711 |
|
|
|
2712 |
|
|
|
2713 |
//
|
|
|
2714 |
// DMetroTrkChannel::DoGetProcUidInfo
|
|
|
2715 |
//
|
|
|
2716 |
TInt DMetroTrkChannel::DoGetProcUidInfo(TMetroTrkProcUidInfo* aProcUidInfo)
|
|
|
2717 |
{
|
|
|
2718 |
LOG_MSG("DMetroTrkChannel::DoGetProcUidInfo()");
|
|
|
2719 |
|
|
|
2720 |
TInt err = KErrNotFound;
|
|
|
2721 |
DProcess* process = ProcessFromId(aProcUidInfo->iProcessID);
|
|
|
2722 |
if (process)
|
|
|
2723 |
{
|
|
|
2724 |
aProcUidInfo->iUid1 = process->iUids.iUid[0].iUid;
|
|
|
2725 |
aProcUidInfo->iUid2 = process->iUids.iUid[1].iUid;
|
|
|
2726 |
aProcUidInfo->iUid3 = process->iUids.iUid[2].iUid;
|
|
|
2727 |
aProcUidInfo->iSecurID = process->iS.iSecureId;
|
|
|
2728 |
aProcUidInfo->iVendorID = process->iS.iVendorId;
|
|
|
2729 |
|
|
|
2730 |
err = KErrNone;
|
|
|
2731 |
}
|
|
|
2732 |
return err;
|
|
|
2733 |
}
|
|
|
2734 |
|
|
|
2735 |
//
|
|
|
2736 |
// DMetroTrkChannel::DoGetLibInfoFromCodeSegList
|
|
|
2737 |
//
|
|
|
2738 |
TInt DMetroTrkChannel::DoGetLibInfoFromCodeSegList(TDesC8 &aDllName, TMetroTrkLibInfo *aInfo)
|
|
|
2739 |
{
|
|
|
2740 |
LOG_MSG("DMetroTrkChannel::DoGetLibInfoFromCodeSegList()");
|
|
|
2741 |
|
|
|
2742 |
TInt err = KErrArgument;
|
|
|
2743 |
|
|
|
2744 |
//get global code seg list
|
|
|
2745 |
SDblQue* codeSegList = Kern::CodeSegList();
|
|
|
2746 |
if (!codeSegList)
|
|
|
2747 |
return KErrBadHandle;
|
|
|
2748 |
|
|
|
2749 |
//iterate through the list
|
|
|
2750 |
for (SDblQueLink* codeSegPtr = codeSegList->First(); codeSegPtr!=(SDblQueLink*) (codeSegList); codeSegPtr=codeSegPtr->iNext)
|
|
|
2751 |
{
|
|
|
2752 |
DEpocCodeSeg* codeSeg = (DEpocCodeSeg*)_LOFF(codeSegPtr,DCodeSeg, iLink);
|
|
|
2753 |
if (codeSeg && codeSeg->IsDll())
|
|
|
2754 |
{
|
|
|
2755 |
if (codeSeg->iFileName) //If this is valid, the rootname will also be valid.
|
|
|
2756 |
{
|
|
|
2757 |
// some dll names from the code segment list have some characters towards the end.
|
|
|
2758 |
// Not sure why.
|
|
|
2759 |
// To account for this, we need to compare those strings that are
|
|
|
2760 |
// atleast as big as the dll we are looking for.
|
|
|
2761 |
// Also the dll names in the code segment list don't have null terminator and so -1.
|
|
|
2762 |
if (codeSeg->iRootName.Length() < aDllName.Length()-1)
|
|
|
2763 |
continue;
|
|
|
2764 |
|
|
|
2765 |
if (!_strnicmp(codeSeg->iRootName.Ptr(), aDllName.Ptr(), aDllName.Length()-1))
|
|
|
2766 |
{
|
|
|
2767 |
TModuleMemoryInfo memoryInfo;
|
|
|
2768 |
|
|
|
2769 |
TInt err = codeSeg->GetMemoryInfo(memoryInfo, NULL);
|
|
|
2770 |
if (err != KErrNone)
|
|
|
2771 |
{
|
|
|
2772 |
//there's been an error so return it
|
|
|
2773 |
return err;
|
|
|
2774 |
}
|
|
|
2775 |
|
|
|
2776 |
aInfo->iCodeAddress = memoryInfo.iCodeBase;
|
|
|
2777 |
aInfo->iDataAddress = memoryInfo.iInitialisedDataBase;
|
|
|
2778 |
if (codeSeg->iAttachProcess) //not valid if dll is used by multiple processes, so not reliable.
|
|
|
2779 |
{
|
|
|
2780 |
aInfo->iAttachProcessId = codeSeg->iAttachProcess->iId;
|
|
|
2781 |
if (codeSeg->iAttachProcess->FirstThread())
|
|
|
2782 |
aInfo->iAttachThreadId = codeSeg->iAttachProcess->FirstThread()->iId;
|
|
|
2783 |
}
|
|
|
2784 |
|
|
|
2785 |
LOG_MSG2("Code segment found for lib: %s", aDllName.Ptr());
|
|
|
2786 |
LOG_MSG2("code address: %x", aInfo->iCodeAddress);
|
|
|
2787 |
LOG_MSG2("data address: %x", aInfo->iDataAddress);
|
|
|
2788 |
|
|
|
2789 |
return KErrNone;
|
|
|
2790 |
}
|
|
|
2791 |
}
|
|
|
2792 |
}
|
|
|
2793 |
}
|
|
|
2794 |
|
|
|
2795 |
LOG_MSG2("Code segment not found for lib: %s", aDllName.Ptr());
|
|
|
2796 |
return err;
|
|
|
2797 |
}
|
|
|
2798 |
|
|
|
2799 |
//
|
|
|
2800 |
// DMetroTrkChannel::DoGetLibInfoFromKernLibContainer
|
|
|
2801 |
//
|
|
|
2802 |
TInt DMetroTrkChannel::DoGetLibInfoFromKernLibContainer(TDesC8 &aDllName, TMetroTrkLibInfo *aInfo)
|
|
|
2803 |
{
|
|
|
2804 |
LOG_MSG("DMetroTrkChannel::DoGetLibInfoFromKernLibContainer()");
|
|
|
2805 |
|
|
|
2806 |
TInt err = KErrNone;
|
|
|
2807 |
|
|
|
2808 |
DObjectCon *libraries = Kern::Containers()[ELibrary];
|
|
|
2809 |
|
|
|
2810 |
if (!libraries)
|
|
|
2811 |
return KErrGeneral;
|
|
|
2812 |
|
|
|
2813 |
NKern::ThreadEnterCS(); // Prevent us from dying or suspending whilst holding a DMutex
|
|
|
2814 |
libraries->Wait(); // Obtain the container mutex so the list does get changed under us
|
|
|
2815 |
|
|
|
2816 |
for (TInt i=0; i<libraries->Count(); i++)
|
|
|
2817 |
{
|
|
|
2818 |
DLibrary *library = (DLibrary *)((*libraries)[i]);
|
|
|
2819 |
|
|
|
2820 |
if (library)
|
|
|
2821 |
{
|
|
|
2822 |
TBuf<KMaxPath> libName;
|
|
|
2823 |
libName.Copy(*(library->iName)); //just copy the name without the UID info.
|
|
|
2824 |
|
|
|
2825 |
if (libName.Length() < aDllName.Length()-1)
|
|
|
2826 |
continue;
|
|
|
2827 |
|
|
|
2828 |
if (!_strnicmp(libName.Ptr(), aDllName.Ptr(), aDllName.Length()-1))
|
|
|
2829 |
{
|
|
|
2830 |
//get the code address
|
|
|
2831 |
DCodeSeg* codeSeg = library->iCodeSeg;
|
|
|
2832 |
if (codeSeg)
|
|
|
2833 |
{
|
|
|
2834 |
TModuleMemoryInfo memoryInfo;
|
|
|
2835 |
|
|
|
2836 |
TInt err = codeSeg->GetMemoryInfo(memoryInfo, NULL);
|
|
|
2837 |
if (err == KErrNone)
|
|
|
2838 |
{
|
|
|
2839 |
// there's been an error so return it
|
|
|
2840 |
aInfo->iCodeAddress = memoryInfo.iCodeBase;
|
|
|
2841 |
aInfo->iDataAddress = memoryInfo.iInitialisedDataBase;
|
|
|
2842 |
// process id and thread id are in DLibrary object.
|
|
|
2843 |
}
|
|
|
2844 |
}
|
|
|
2845 |
else
|
|
|
2846 |
{
|
|
|
2847 |
LOG_MSG2("Code segment not available for library %S", library->iName);
|
|
|
2848 |
err = KErrNotFound;
|
|
|
2849 |
}
|
|
|
2850 |
break;
|
|
|
2851 |
}
|
|
|
2852 |
}
|
|
|
2853 |
}
|
|
|
2854 |
|
|
|
2855 |
libraries->Signal();
|
|
|
2856 |
NKern::ThreadLeaveCS();
|
|
|
2857 |
|
|
|
2858 |
return err;
|
|
|
2859 |
}
|
|
|
2860 |
|
|
|
2861 |
//
|
|
|
2862 |
// DMetroTrkChannel::DoSecurityCheck
|
|
|
2863 |
//
|
|
|
2864 |
TBool DMetroTrkChannel::DoSecurityCheck()
|
|
|
2865 |
{
|
|
|
2866 |
DProcess* clientProcess = iClientThread->iOwningProcess;
|
|
|
2867 |
if (clientProcess)
|
|
|
2868 |
{
|
|
|
2869 |
// now we also check to make sure that TRK app has ALLFILES capability as well.
|
|
|
2870 |
if (!iClientThread->HasCapability(ECapabilityAllFiles))
|
|
|
2871 |
return EFalse;
|
|
|
2872 |
|
|
|
2873 |
SSecurityInfo secureInfo = clientProcess->iS;
|
|
|
2874 |
if ((secureInfo.iSecureId == KTrkSrvSecurUid) || (secureInfo.iSecureId == KTrkAppSecurUid) || (secureInfo.iSecureId == KTrkExeSecurUid))
|
|
|
2875 |
{
|
|
|
2876 |
return ETrue;
|
|
|
2877 |
}
|
|
|
2878 |
}
|
|
|
2879 |
return EFalse;
|
|
|
2880 |
}
|
|
|
2881 |
|
|
|
2882 |
//
|
|
|
2883 |
// DMetroTrkChannel::TryToReadMemory
|
|
|
2884 |
//
|
|
|
2885 |
TInt DMetroTrkChannel::TryToReadMemory(DThread *aThread, TAny *aSrc, TAny *aDest, TInt16 aLength)
|
|
|
2886 |
{
|
|
|
2887 |
LOG_MSG("DMetroTrkChannel::TryToReadMemory()");
|
|
|
2888 |
|
|
|
2889 |
TInt err = KErrNone;
|
|
|
2890 |
// on some targets reading from 0xFFFFFFFF address causes a kernel fault.
|
|
|
2891 |
// avoid reading the last 4 bytes in the 32 bit address space.
|
|
|
2892 |
TUint32 srcAddr = (TUint32)(aSrc);
|
|
|
2893 |
if ((srcAddr >= 0xFFFFFFFC) || (aLength > (0xFFFFFFFC-srcAddr)))
|
|
|
2894 |
return KErrAccessDenied;
|
|
|
2895 |
|
|
|
2896 |
#ifndef __OEM_TRK__
|
|
|
2897 |
if (IsAddressInRom((TUint32)(aSrc)) || IsAddressSecure((TUint32)(aSrc)))
|
|
|
2898 |
return KErrNotSupported;
|
|
|
2899 |
#endif
|
|
|
2900 |
|
|
|
2901 |
//check if we have a valid thread object
|
|
|
2902 |
if (!aThread)
|
|
|
2903 |
return KErrBadHandle;
|
|
|
2904 |
|
|
|
2905 |
LOG_MSG2("Using Kern::ThreadRawRead to read memory at address %x", aSrc);
|
|
|
2906 |
err = Kern::ThreadRawRead(aThread, aSrc, aDest, aLength);
|
|
|
2907 |
|
|
|
2908 |
return err;
|
|
|
2909 |
}
|
|
|
2910 |
|
|
|
2911 |
|
|
|
2912 |
//
|
|
|
2913 |
// DMetroTrkChannel::TryToWriteMemory
|
|
|
2914 |
//
|
|
|
2915 |
TInt DMetroTrkChannel::TryToWriteMemory(DThread *aThread, TAny *aDest, TAny *aSrc, TInt16 aLength)
|
|
|
2916 |
{
|
|
|
2917 |
LOG_MSG("DMetroTrkChannel::TryToWriteMemory()");
|
|
|
2918 |
|
|
|
2919 |
TInt err = KErrNone;
|
|
|
2920 |
// on some targets writing to 0xFFFFFFFF address causes a kernel fault.
|
|
|
2921 |
// avoid writing the last 4 bytes in the 32 bit address space.
|
|
|
2922 |
TUint32 destAddr = (TUint32)(aDest);
|
|
|
2923 |
if ((destAddr>=0xFFFFFFFC) || (aLength > (0xFFFFFFFC-destAddr)))
|
|
|
2924 |
return KErrAccessDenied;
|
|
|
2925 |
|
|
|
2926 |
#ifndef __OEM_TRK__
|
|
|
2927 |
if (IsAddressInRom((TUint32)(aDest)) || IsAddressSecure((TUint32)(aDest)))
|
|
|
2928 |
return KErrNotSupported;
|
|
|
2929 |
#endif
|
|
|
2930 |
|
|
|
2931 |
//check if we have a valid thread object
|
|
|
2932 |
if (!aThread)
|
|
|
2933 |
return KErrBadHandle;
|
|
|
2934 |
|
|
|
2935 |
LOG_MSG2("Using Kern::ThreadRawWrite to write memory at address %x", (TUint32)aDest);
|
|
|
2936 |
err = Kern::ThreadRawWrite(aThread, aDest, aSrc, aLength, iClientThread);
|
|
|
2937 |
|
|
|
2938 |
return err;
|
|
|
2939 |
}
|
|
|
2940 |
|
|
|
2941 |
//
|
|
|
2942 |
// DMetroTrkChannel::ReadRegister
|
|
|
2943 |
//
|
|
|
2944 |
TInt32 DMetroTrkChannel::ReadRegister(DThread *aThread, TInt aNum)
|
|
|
2945 |
{
|
|
|
2946 |
LOG_MSG("DMetroTrkChannel::ReadRegister()");
|
|
|
2947 |
|
|
|
2948 |
if (!aThread || (aNum < 0) || (aNum >= (TInt16)(sizeof(TArmRegSet)/sizeof(TArmReg))))
|
|
|
2949 |
{
|
|
|
2950 |
LOG_MSG2("Invalid register number (%d) passed to ReadRegister", aNum);
|
|
|
2951 |
return 0;
|
|
|
2952 |
}
|
|
|
2953 |
|
|
|
2954 |
TArmRegSet regSet;
|
|
|
2955 |
TUint32 unused;
|
|
|
2956 |
|
|
|
2957 |
#ifdef SUPPORT_KERNCONTEXT
|
|
|
2958 |
NKern::Lock(); // lock the kernel before callin UserContextType as its required by this function
|
|
|
2959 |
NThread nThread = aThread->iNThread;
|
|
|
2960 |
NThread::TUserContextType userContextType = nThread.UserContextType();
|
|
|
2961 |
NKern::Unlock(); // unlock the kernel now
|
|
|
2962 |
|
|
|
2963 |
if (userContextType == NThread::EContextNone || userContextType == NThread::EContextKernel)
|
|
|
2964 |
{
|
|
|
2965 |
//NKern::ThreadGetSystemContext(&aThread->iNThread, ®Set, unused);
|
|
|
2966 |
if (!GetSystemThreadRegisters(®Set))
|
|
|
2967 |
return KErrGeneral;
|
|
|
2968 |
}
|
|
|
2969 |
else
|
|
|
2970 |
#endif
|
|
|
2971 |
{
|
|
|
2972 |
NKern::ThreadGetUserContext(&aThread->iNThread, ®Set, unused);
|
|
|
2973 |
}
|
|
|
2974 |
|
|
|
2975 |
TArmReg *reg = ®Set.iR0;
|
|
|
2976 |
|
|
|
2977 |
return ((TUint32 *)reg)[aNum];
|
|
|
2978 |
}
|
|
|
2979 |
|
|
|
2980 |
//
|
|
|
2981 |
// DMetroTrkChannel::ShiftedRegValue
|
|
|
2982 |
//
|
|
|
2983 |
TUint32 DMetroTrkChannel::ShiftedRegValue(DThread *aThread, TUint32 aInstruction, TUint32 aCurrentPC, TUint32 aStatusRegister)
|
|
|
2984 |
{
|
|
|
2985 |
LOG_MSG("DMetroTrkChannel::ShiftedRegValue()");
|
|
|
2986 |
|
|
|
2987 |
TUint32 shift = 0;
|
|
|
2988 |
if (aInstruction & 0x10) // bit 4
|
|
|
2989 |
{
|
|
|
2990 |
shift = (ARM_RS(aInstruction) == PC_REGISTER ? aCurrentPC + 8 : aStatusRegister) & 0xFF;
|
|
|
2991 |
}
|
|
|
2992 |
else
|
|
|
2993 |
{
|
|
|
2994 |
shift = ARM_DATA_C(aInstruction);
|
|
|
2995 |
}
|
|
|
2996 |
|
|
|
2997 |
TInt rm = ARM_RM(aInstruction);
|
|
|
2998 |
TUint32 res = (rm == PC_REGISTER ? (aCurrentPC + ((aInstruction & 0x10) ? 12 : 8)) : ReadRegister(aThread, rm));
|
|
|
2999 |
|
|
|
3000 |
switch(ARM_DATA_SHIFT(aInstruction))
|
|
|
3001 |
{
|
|
|
3002 |
case 0: // LSL
|
|
|
3003 |
{
|
|
|
3004 |
res = shift >= 32 ? 0 : res << shift;
|
|
|
3005 |
break;
|
|
|
3006 |
}
|
|
|
3007 |
case 1: // LSR
|
|
|
3008 |
{
|
|
|
3009 |
res = shift >= 32 ? 0 : res >> shift;
|
|
|
3010 |
break;
|
|
|
3011 |
}
|
|
|
3012 |
case 2: // ASR
|
|
|
3013 |
{
|
|
|
3014 |
if (shift >= 32)
|
|
|
3015 |
shift = 31;
|
|
|
3016 |
res = ((res & 0x80000000L) ? ~((~res) >> shift) : res >> shift);
|
|
|
3017 |
break;
|
|
|
3018 |
}
|
|
|
3019 |
case 3: // ROR/RRX
|
|
|
3020 |
{
|
|
|
3021 |
shift &= 31;
|
|
|
3022 |
if (shift == 0)
|
|
|
3023 |
{
|
|
|
3024 |
res = (res >> 1) | ((aStatusRegister & ARM_CARRY_BIT) ? 0x80000000L : 0);
|
|
|
3025 |
}
|
|
|
3026 |
else
|
|
|
3027 |
{
|
|
|
3028 |
res = (res >> shift) | (res << (32 - shift));
|
|
|
3029 |
}
|
|
|
3030 |
break;
|
|
|
3031 |
}
|
|
|
3032 |
}
|
|
|
3033 |
|
|
|
3034 |
return res & 0xFFFFFFFF;
|
|
|
3035 |
}
|
|
|
3036 |
|
|
|
3037 |
|
|
|
3038 |
//
|
|
|
3039 |
// DMetroTrkChannel::ModifyBreaksForStep
|
|
|
3040 |
//
|
|
|
3041 |
// Set a temporary breakpoint at the next instruction to be executed after the one at the current PC
|
|
|
3042 |
// Disable the breakpoint at the current PC if one exists
|
|
|
3043 |
//
|
|
|
3044 |
TInt DMetroTrkChannel::ModifyBreaksForStep(DThread *aThread, TUint32 aRangeStart, TUint32 aRangeEnd, TBool aStepInto, TBool aResumeOnceOutOfRange, TBool aCheckForStubs)
|
|
|
3045 |
{
|
|
|
3046 |
LOG_MSG("DMetroTrkChannel::ModifyBreaksForStep()");
|
|
|
3047 |
|
|
|
3048 |
if (!aThread)
|
|
|
3049 |
return KErrArgument;
|
|
|
3050 |
|
|
|
3051 |
LOG_MSG2("Range Start: %x", aRangeStart);
|
|
|
3052 |
LOG_MSG2("Range End: %x", aRangeEnd);
|
|
|
3053 |
|
|
|
3054 |
// get the current PC
|
|
|
3055 |
TUint32 currentPC = ReadRegister(aThread, PC_REGISTER);
|
|
|
3056 |
LOG_MSG2("Current PC: %x", currentPC);
|
|
|
3057 |
|
|
|
3058 |
// disable breakpoint at the current PC if necessary
|
|
|
3059 |
ReturnIfError(DisableBreakAtAddress(currentPC));
|
|
|
3060 |
|
|
|
3061 |
// get the status register
|
|
|
3062 |
TUint32 statusRegister = ReadRegister(aThread, STATUS_REGISTER);
|
|
|
3063 |
LOG_MSG2("Current SR: %x", statusRegister);
|
|
|
3064 |
|
|
|
3065 |
TBool thumbMode = (statusRegister & ECpuThumb);
|
|
|
3066 |
if (thumbMode)
|
|
|
3067 |
LOG_MSG("Thumb Mode");
|
|
|
3068 |
|
|
|
3069 |
TInt instSize = thumbMode ? 2 : 4;
|
|
|
3070 |
|
|
|
3071 |
TBool changingModes = EFalse;
|
|
|
3072 |
|
|
|
3073 |
TUint32 breakAddress = 0;
|
|
|
3074 |
|
|
|
3075 |
TInt rangeSize = aRangeEnd - currentPC;
|
|
|
3076 |
|
|
|
3077 |
const TInt KMaxInstructionBuffer = 80;
|
|
|
3078 |
|
|
|
3079 |
// scan the memory and see if any instruction might modify the PC. if one does,
|
|
|
3080 |
// stop scanning and just set a breakpoint at that instruction (with the range set accordingly).
|
|
|
3081 |
// if none is found just set the breakpoint after the range.
|
|
|
3082 |
// if there is only one instruction there is no need to parse the memory, just execute it
|
|
|
3083 |
if ((rangeSize <= KMaxInstructionBuffer) && (rangeSize > instSize))
|
|
|
3084 |
{
|
|
|
3085 |
LOG_MSG("Scanning range for instructions that might modify the PC");
|
|
|
3086 |
|
|
|
3087 |
// set it to the end of the range by default
|
|
|
3088 |
breakAddress = aRangeEnd;
|
|
|
3089 |
|
|
|
3090 |
// get the instructions in range
|
|
|
3091 |
// we really should be dynamically allocating this memory, but this could be
|
|
|
3092 |
// called from another thread, so we can't
|
|
|
3093 |
TBuf8<KMaxInstructionBuffer> instructions;
|
|
|
3094 |
|
|
|
3095 |
ReturnIfError(DoReadMemory(aThread, currentPC, rangeSize, instructions));
|
|
|
3096 |
|
|
|
3097 |
for (TInt i = 0; i < (TInt)rangeSize/instSize; i++)
|
|
|
3098 |
{
|
|
|
3099 |
if (InstructionModifiesPC(aThread, &instructions[i*instSize], thumbMode, aStepInto))
|
|
|
3100 |
{
|
|
|
3101 |
breakAddress = currentPC + i*instSize;
|
|
|
3102 |
LOG_MSG2("Setting breakpoint at %x inside range", breakAddress);
|
|
|
3103 |
break;
|
|
|
3104 |
}
|
|
|
3105 |
}
|
|
|
3106 |
}
|
|
|
3107 |
|
|
|
3108 |
|
|
|
3109 |
TUint32 newRangeEnd = aRangeEnd;
|
|
|
3110 |
|
|
|
3111 |
if ((breakAddress == 0) || (breakAddress == currentPC))
|
|
|
3112 |
{
|
|
|
3113 |
// either the range consists of a single instruction, or the instruction at the currentPC may modify the PC
|
|
|
3114 |
// decode the instruction and see where we need to set the breakpoint
|
|
|
3115 |
breakAddress = PCAfterInstructionExecutes(aThread, currentPC, statusRegister, instSize, aStepInto, newRangeEnd, changingModes);
|
|
|
3116 |
|
|
|
3117 |
// check to see if this is one of the stubs (found in stubs.s)
|
|
|
3118 |
if (aStepInto && aCheckForStubs)
|
|
|
3119 |
{
|
|
|
3120 |
TBuf8<16> destination;
|
|
|
3121 |
TInt err = DoReadMemory(aThread, breakAddress, 16, destination);
|
|
|
3122 |
|
|
|
3123 |
if (KErrNone == err)
|
|
|
3124 |
{
|
|
|
3125 |
TInt offset = 0;
|
|
|
3126 |
|
|
|
3127 |
if (0 == destination.Find(KArm4Stub, sizeof(KArm4Stub)))
|
|
|
3128 |
{
|
|
|
3129 |
LOG_MSG("Arm4 stub found");
|
|
|
3130 |
offset = 8;
|
|
|
3131 |
}
|
|
|
3132 |
else if ((0 == destination.Find(KArmIStub, sizeof(KArmIStub))) ||
|
|
|
3133 |
(0 == destination.Find(KFastArmIStub, sizeof(KFastArmIStub))))
|
|
|
3134 |
{
|
|
|
3135 |
LOG_MSG("ArmI stub found");
|
|
|
3136 |
offset = 12;
|
|
|
3137 |
}
|
|
|
3138 |
else if ((0 == destination.Find(KThumbStub, sizeof(KThumbStub))) ||
|
|
|
3139 |
(0 == destination.Find(KFastThumbStub, sizeof(KFastThumbStub))))
|
|
|
3140 |
{
|
|
|
3141 |
LOG_MSG("Thumb stub found");
|
|
|
3142 |
offset = 12;
|
|
|
3143 |
}
|
|
|
3144 |
else if ((0 == destination.Find(KThumbStub2, sizeof(KThumbStub2))) ||
|
|
|
3145 |
(0 == destination.Find(KFastThumbStub2, sizeof(KFastThumbStub2))))
|
|
|
3146 |
{
|
|
|
3147 |
LOG_MSG("Thumb stub found");
|
|
|
3148 |
offset = 8;
|
|
|
3149 |
}
|
|
|
3150 |
//check to see if this is the stub generated with RVCT tools.
|
|
|
3151 |
//Look into genstubs.cpp for more details on this stub
|
|
|
3152 |
else if(0 == destination.Find(KRvctArm4Stub, sizeof(KRvctArm4Stub)))
|
|
|
3153 |
{
|
|
|
3154 |
LOG_MSG("RVCT Arm4 stub found");
|
|
|
3155 |
offset = 4;
|
|
|
3156 |
}
|
|
|
3157 |
|
|
|
3158 |
|
|
|
3159 |
if (offset != 0)
|
|
|
3160 |
{
|
|
|
3161 |
if (offset == 4)
|
|
|
3162 |
{
|
|
|
3163 |
breakAddress = *(TUint32 *)&destination[offset];
|
|
|
3164 |
}
|
|
|
3165 |
else
|
|
|
3166 |
{
|
|
|
3167 |
err = DoReadMemory(aThread, *(TUint32 *)&destination[offset], 4, destination);
|
|
|
3168 |
if (KErrNone == err)
|
|
|
3169 |
breakAddress = *(TUint32 *)destination.Ptr();
|
|
|
3170 |
}
|
|
|
3171 |
|
|
|
3172 |
if (KErrNone == err)
|
|
|
3173 |
{
|
|
|
3174 |
if (thumbMode)
|
|
|
3175 |
{
|
|
|
3176 |
if ((breakAddress & 0x00000001) == 1)
|
|
|
3177 |
changingModes = EFalse;
|
|
|
3178 |
else
|
|
|
3179 |
changingModes = ETrue;
|
|
|
3180 |
}
|
|
|
3181 |
else
|
|
|
3182 |
{
|
|
|
3183 |
if ((breakAddress & 0x00000001) == 1)
|
|
|
3184 |
changingModes = ETrue;
|
|
|
3185 |
else
|
|
|
3186 |
changingModes = EFalse;
|
|
|
3187 |
}
|
|
|
3188 |
|
|
|
3189 |
breakAddress &= 0xFFFFFFFE;
|
|
|
3190 |
}
|
|
|
3191 |
else
|
|
|
3192 |
{
|
|
|
3193 |
LOG_MSG("Error reading destination of stub");
|
|
|
3194 |
}
|
|
|
3195 |
}
|
|
|
3196 |
}
|
|
|
3197 |
else
|
|
|
3198 |
{
|
|
|
3199 |
LOG_MSG("Error reading memory while decoding branch instruction");
|
|
|
3200 |
}
|
|
|
3201 |
}
|
|
|
3202 |
|
|
|
3203 |
// don't allow the user to step in a function in the excluded ROM region.
|
|
|
3204 |
//if ((breakAddress >= iExcludedROMAddressStart) && (breakAddress < iExcludedROMAddressEnd))
|
|
|
3205 |
//{
|
|
|
3206 |
// breakAddress = currentPC + instSize;
|
|
|
3207 |
// changingModes = EFalse;
|
|
|
3208 |
//}
|
|
|
3209 |
}
|
|
|
3210 |
|
|
|
3211 |
// see if there is already a breakpoint at this address. if there is, we do not need to set the temp breakpoint
|
|
|
3212 |
for (TInt i=NUMBER_OF_TEMP_BREAKPOINTS; i<iBreakPointList.Count(); i++)
|
|
|
3213 |
{
|
|
|
3214 |
if (iBreakPointList[i].iAddress == breakAddress)
|
|
|
3215 |
{
|
|
|
3216 |
return KErrNone;
|
|
|
3217 |
}
|
|
|
3218 |
}
|
|
|
3219 |
|
|
|
3220 |
for (TInt i=0; i<NUMBER_OF_TEMP_BREAKPOINTS; i++)
|
|
|
3221 |
{
|
|
|
3222 |
if (iBreakPointList[i].iAddress == 0)
|
|
|
3223 |
{
|
|
|
3224 |
iBreakPointList[i].iThreadId = aThread->iId;
|
|
|
3225 |
iBreakPointList[i].iAddress = breakAddress;
|
|
|
3226 |
iBreakPointList[i].iThumbMode = (thumbMode && !changingModes) || (!thumbMode && changingModes);
|
|
|
3227 |
iBreakPointList[i].iResumeOnceOutOfRange = aResumeOnceOutOfRange;
|
|
|
3228 |
iBreakPointList[i].iSteppingInto = aStepInto;
|
|
|
3229 |
iBreakPointList[i].iRangeStart = aRangeStart;
|
|
|
3230 |
iBreakPointList[i].iRangeEnd = newRangeEnd;
|
|
|
3231 |
|
|
|
3232 |
// Temporary breakpoints are always thread specific
|
|
|
3233 |
iBreakPointList[i].iThreadSpecific = ETrue;
|
|
|
3234 |
|
|
|
3235 |
LOG_MSG2("Adding temp breakpoint with id: %d", i);
|
|
|
3236 |
LOG_MSG2("Adding temp breakpoint with thread id: %d", aThread->iId);
|
|
|
3237 |
|
|
|
3238 |
return DoEnableBreak(iBreakPointList[i], ETrue);
|
|
|
3239 |
}
|
|
|
3240 |
}
|
|
|
3241 |
|
|
|
3242 |
return KErrNoMemory;
|
|
|
3243 |
}
|
|
|
3244 |
|
|
|
3245 |
//
|
|
|
3246 |
// DMetroTrkChannel::ClearAllBreakPoints
|
|
|
3247 |
//
|
|
|
3248 |
void DMetroTrkChannel::ClearAllBreakPoints()
|
|
|
3249 |
{
|
|
|
3250 |
LOG_MSG("DMetroTrkChannel::ClearAllBreakPoints()");
|
|
|
3251 |
|
|
|
3252 |
TInt err = KErrNone;
|
|
|
3253 |
|
|
|
3254 |
for (TInt i=0; i<iBreakPointList.Count(); i++)
|
|
|
3255 |
{
|
|
|
3256 |
if ((iBreakPointList[i].iAddress != 0) && !iBreakPointList[i].iObsoleteLibraryBreakpoint)
|
|
|
3257 |
{
|
|
|
3258 |
LOG_MSG2("Clearing breakpoint at address %x", iBreakPointList[i].iAddress);
|
|
|
3259 |
|
|
|
3260 |
DThread* threadObj = ThreadFromId(iBreakPointList[i].iThreadId);
|
|
|
3261 |
|
|
|
3262 |
if (threadObj != NULL)
|
|
|
3263 |
{
|
|
|
3264 |
XTRAPD(r, XT_DEFAULT, err = DebugSupport::RestoreCode(threadObj, iBreakPointList[i].iAddress));
|
|
|
3265 |
|
|
|
3266 |
err = (KErrNone == r) ? err : r;
|
|
|
3267 |
}
|
|
|
3268 |
else
|
|
|
3269 |
{
|
|
|
3270 |
err = KErrBadHandle;
|
|
|
3271 |
}
|
|
|
3272 |
|
|
|
3273 |
if (KErrNone != err)
|
|
|
3274 |
{
|
|
|
3275 |
LOG_MSG2("Error %d while clearing breakpoint", err);
|
|
|
3276 |
}
|
|
|
3277 |
}
|
|
|
3278 |
}
|
|
|
3279 |
|
|
|
3280 |
iBreakPointList.Reset();
|
|
|
3281 |
}
|
|
|
3282 |
|
|
|
3283 |
|
|
|
3284 |
//
|
|
|
3285 |
// DMetroTrkChannel::DisableBreakAtAddress
|
|
|
3286 |
//
|
|
|
3287 |
TInt DMetroTrkChannel::DisableBreakAtAddress(TUint32 aAddress)
|
|
|
3288 |
{
|
|
|
3289 |
LOG_MSG("DMetroTrkChannel::DisableBreakAtAddress()");
|
|
|
3290 |
|
|
|
3291 |
TInt err = KErrNone;
|
|
|
3292 |
|
|
|
3293 |
for (TInt i = NUMBER_OF_TEMP_BREAKPOINTS; i < iBreakPointList.Count(); i++)
|
|
|
3294 |
{
|
|
|
3295 |
if (iBreakPointList[i].iAddress == aAddress)
|
|
|
3296 |
{
|
|
|
3297 |
iBreakPointList[i].iDisabledForStep = ETrue;
|
|
|
3298 |
LOG_MSG2("Disabling breakpoint at address %x", iBreakPointList[i].iAddress);
|
|
|
3299 |
|
|
|
3300 |
DThread* threadObj = ThreadFromId(iBreakPointList[i].iThreadId);
|
|
|
3301 |
|
|
|
3302 |
//clear the breakpoint with code modifier
|
|
|
3303 |
//code modifier will restore the org instruction and also frees the shadow page if necessary
|
|
|
3304 |
if (threadObj != NULL)
|
|
|
3305 |
{
|
|
|
3306 |
XTRAPD(r, XT_DEFAULT, err = DebugSupport::RestoreCode(threadObj, aAddress));
|
|
|
3307 |
|
|
|
3308 |
err = (KErrNone == r) ? err : r;
|
|
|
3309 |
}
|
|
|
3310 |
else
|
|
|
3311 |
{
|
|
|
3312 |
err = KErrBadHandle;
|
|
|
3313 |
}
|
|
|
3314 |
break;
|
|
|
3315 |
}
|
|
|
3316 |
}
|
|
|
3317 |
|
|
|
3318 |
return err;
|
|
|
3319 |
}
|
|
|
3320 |
|
|
|
3321 |
//
|
|
|
3322 |
// DMetroTrkChannel::InstructionModifiesPC
|
|
|
3323 |
//
|
|
|
3324 |
TBool DMetroTrkChannel::InstructionModifiesPC(DThread *aThread, TUint8 *aInstruction, TBool aThumbMode, TBool aStepInto)
|
|
|
3325 |
{
|
|
|
3326 |
LOG_MSG("DMetroTrkChannel::InstructionModifiesPC()");
|
|
|
3327 |
|
|
|
3328 |
if (aThumbMode)
|
|
|
3329 |
{
|
|
|
3330 |
TUint16 inst = *(TUint16 *)aInstruction;
|
|
|
3331 |
|
|
|
3332 |
switch(THUMB_OPCODE(inst))
|
|
|
3333 |
{
|
|
|
3334 |
case 0x08:
|
|
|
3335 |
{
|
|
|
3336 |
if (aStepInto && (THUMB_INST_7_15(inst) == 0x08F))
|
|
|
3337 |
{
|
|
|
3338 |
// BLX(2)
|
|
|
3339 |
return ETrue;
|
|
|
3340 |
}
|
|
|
3341 |
else if (THUMB_INST_7_15(inst) == 0x08E)
|
|
|
3342 |
{
|
|
|
3343 |
// BX
|
|
|
3344 |
return ETrue;
|
|
|
3345 |
}
|
|
|
3346 |
else if (((THUMB_INST_8_15(inst) == 0x46) || (THUMB_INST_8_15(inst) == 0x44)) && ((inst & 0x87) == 0x87))
|
|
|
3347 |
{
|
|
|
3348 |
// ADD or MOV with PC as the destination
|
|
|
3349 |
return ETrue;
|
|
|
3350 |
}
|
|
|
3351 |
break;
|
|
|
3352 |
}
|
|
|
3353 |
case 0x13:
|
|
|
3354 |
{
|
|
|
3355 |
if (THUMB_INST_8_15(inst) == 0x9F)
|
|
|
3356 |
{
|
|
|
3357 |
// LDR(4) with the PC as the destination
|
|
|
3358 |
return ETrue;
|
|
|
3359 |
}
|
|
|
3360 |
break;
|
|
|
3361 |
}
|
|
|
3362 |
case 0x17:
|
|
|
3363 |
{
|
|
|
3364 |
if (THUMB_INST_8_15(inst) == 0xBD)
|
|
|
3365 |
{
|
|
|
3366 |
// POP with the PC in the list
|
|
|
3367 |
return ETrue;
|
|
|
3368 |
}
|
|
|
3369 |
break;
|
|
|
3370 |
}
|
|
|
3371 |
case 0x1A:
|
|
|
3372 |
case 0x1B:
|
|
|
3373 |
{
|
|
|
3374 |
if (THUMB_INST_8_15(inst) < 0xDE)
|
|
|
3375 |
{
|
|
|
3376 |
// B(1) conditional branch
|
|
|
3377 |
return ETrue;
|
|
|
3378 |
}
|
|
|
3379 |
break;
|
|
|
3380 |
}
|
|
|
3381 |
case 0x1C:
|
|
|
3382 |
{
|
|
|
3383 |
// B(2) unconditional branch
|
|
|
3384 |
return ETrue;
|
|
|
3385 |
}
|
|
|
3386 |
case 0x1D:
|
|
|
3387 |
{
|
|
|
3388 |
// NOTE: Only return true for the suffix since it's the second instruction that actually does the branch
|
|
|
3389 |
if (aStepInto && !(inst & 0x00000001))
|
|
|
3390 |
{
|
|
|
3391 |
// BLX(1)
|
|
|
3392 |
return ETrue;
|
|
|
3393 |
}
|
|
|
3394 |
break;
|
|
|
3395 |
}
|
|
|
3396 |
case 0x1F:
|
|
|
3397 |
{
|
|
|
3398 |
// NOTE: Only return true for the suffix since it's the second instruction that actually does the branch
|
|
|
3399 |
if (aStepInto)
|
|
|
3400 |
{
|
|
|
3401 |
// BL
|
|
|
3402 |
return ETrue;
|
|
|
3403 |
}
|
|
|
3404 |
break;
|
|
|
3405 |
}
|
|
|
3406 |
}
|
|
|
3407 |
}
|
|
|
3408 |
else
|
|
|
3409 |
{
|
|
|
3410 |
// Arm mode
|
|
|
3411 |
TUint32 inst = *(TUint32 *)aInstruction;
|
|
|
3412 |
|
|
|
3413 |
switch(ARM_OPCODE(inst)) // bits 27-25
|
|
|
3414 |
{
|
|
|
3415 |
case 0:
|
|
|
3416 |
{
|
|
|
3417 |
switch((inst & 0x00000010) >> 4) // bit 4
|
|
|
3418 |
{
|
|
|
3419 |
case 0:
|
|
|
3420 |
{
|
|
|
3421 |
switch((inst & 0x01800000) >> 23) // bits 24-23
|
|
|
3422 |
{
|
|
|
3423 |
case 2:
|
|
|
3424 |
{
|
|
|
3425 |
// move to/from status register. pc updates not allowed
|
|
|
3426 |
// or TST, TEQ, CMP, CMN which don't modify the PC
|
|
|
3427 |
break;
|
|
|
3428 |
}
|
|
|
3429 |
default:
|
|
|
3430 |
{
|
|
|
3431 |
// Data processing immediate shift
|
|
|
3432 |
if (ARM_RD(inst) == PC_REGISTER)
|
|
|
3433 |
{
|
|
|
3434 |
// destination register is the PC
|
|
|
3435 |
if (IsPreviousInstructionMovePCToLR(aThread))
|
|
|
3436 |
{
|
|
|
3437 |
return aStepInto;
|
|
|
3438 |
}
|
|
|
3439 |
else
|
|
|
3440 |
{
|
|
|
3441 |
return ETrue;
|
|
|
3442 |
}
|
|
|
3443 |
}
|
|
|
3444 |
break;
|
|
|
3445 |
}
|
|
|
3446 |
}
|
|
|
3447 |
break;
|
|
|
3448 |
}
|
|
|
3449 |
case 1:
|
|
|
3450 |
{
|
|
|
3451 |
switch((inst & 0x00000080) >> 7) // bit 7
|
|
|
3452 |
{
|
|
|
3453 |
case 0:
|
|
|
3454 |
{
|
|
|
3455 |
switch((inst & 0x01900000) >> 20) // bits 24-23 and bit 20
|
|
|
3456 |
{
|
|
|
3457 |
case 0x10:
|
|
|
3458 |
{
|
|
|
3459 |
// from figure 3-3
|
|
|
3460 |
switch((inst & 0x000000F0) >> 4) // bits 7-4
|
|
|
3461 |
{
|
|
|
3462 |
case 1:
|
|
|
3463 |
{
|
|
|
3464 |
if (((inst & 0x00400000) >> 22) == 0) // bit 22
|
|
|
3465 |
{
|
|
|
3466 |
// BX
|
|
|
3467 |
if (IsPreviousInstructionMovePCToLR(aThread))
|
|
|
3468 |
{
|
|
|
3469 |
return aStepInto;
|
|
|
3470 |
}
|
|
|
3471 |
else
|
|
|
3472 |
{
|
|
|
3473 |
return ETrue;
|
|
|
3474 |
}
|
|
|
3475 |
}
|
|
|
3476 |
break;
|
|
|
3477 |
}
|
|
|
3478 |
case 3:
|
|
|
3479 |
{
|
|
|
3480 |
// BLX
|
|
|
3481 |
if (aStepInto)
|
|
|
3482 |
{
|
|
|
3483 |
return ETrue;
|
|
|
3484 |
}
|
|
|
3485 |
break;
|
|
|
3486 |
}
|
|
|
3487 |
default:
|
|
|
3488 |
{
|
|
|
3489 |
// either doesn't modify the PC or it is illegal to
|
|
|
3490 |
break;
|
|
|
3491 |
}
|
|
|
3492 |
}
|
|
|
3493 |
break;
|
|
|
3494 |
}
|
|
|
3495 |
default:
|
|
|
3496 |
{
|
|
|
3497 |
// Data processing register shift
|
|
|
3498 |
if (((inst & 0x01800000) >> 23) == 2) // bits 24-23
|
|
|
3499 |
{
|
|
|
3500 |
// TST, TEQ, CMP, CMN don't modify the PC
|
|
|
3501 |
return EFalse;
|
|
|
3502 |
}
|
|
|
3503 |
else if (ARM_RD(inst) == PC_REGISTER)
|
|
|
3504 |
{
|
|
|
3505 |
// destination register is the PC
|
|
|
3506 |
if (IsPreviousInstructionMovePCToLR(aThread))
|
|
|
3507 |
{
|
|
|
3508 |
return aStepInto;
|
|
|
3509 |
}
|
|
|
3510 |
else
|
|
|
3511 |
{
|
|
|
3512 |
return ETrue;
|
|
|
3513 |
}
|
|
|
3514 |
}
|
|
|
3515 |
break;
|
|
|
3516 |
}
|
|
|
3517 |
}
|
|
|
3518 |
break;
|
|
|
3519 |
}
|
|
|
3520 |
default:
|
|
|
3521 |
{
|
|
|
3522 |
// from figure 3-2, updates to the PC illegal
|
|
|
3523 |
break;
|
|
|
3524 |
}
|
|
|
3525 |
}
|
|
|
3526 |
break;
|
|
|
3527 |
}
|
|
|
3528 |
}
|
|
|
3529 |
break;
|
|
|
3530 |
}
|
|
|
3531 |
case 1:
|
|
|
3532 |
{
|
|
|
3533 |
if (((inst & 0x01800000) >> 23) == 2) // bits 24-23
|
|
|
3534 |
{
|
|
|
3535 |
// cannot modify the PC
|
|
|
3536 |
break;
|
|
|
3537 |
}
|
|
|
3538 |
else if (ARM_RD(inst) == PC_REGISTER)
|
|
|
3539 |
{
|
|
|
3540 |
// destination register is the PC
|
|
|
3541 |
if (IsPreviousInstructionMovePCToLR(aThread))
|
|
|
3542 |
{
|
|
|
3543 |
return aStepInto;
|
|
|
3544 |
}
|
|
|
3545 |
else
|
|
|
3546 |
{
|
|
|
3547 |
return ETrue;
|
|
|
3548 |
}
|
|
|
3549 |
}
|
|
|
3550 |
break;
|
|
|
3551 |
}
|
|
|
3552 |
case 2:
|
|
|
3553 |
{
|
|
|
3554 |
// load/store immediate offset
|
|
|
3555 |
if (ARM_LOAD(inst)) // bit 20
|
|
|
3556 |
{
|
|
|
3557 |
// loading a register from memory
|
|
|
3558 |
if (ARM_RD(inst) == PC_REGISTER)
|
|
|
3559 |
{
|
|
|
3560 |
// loading the PC register
|
|
|
3561 |
if (IsPreviousInstructionMovePCToLR(aThread))
|
|
|
3562 |
{
|
|
|
3563 |
return aStepInto;
|
|
|
3564 |
}
|
|
|
3565 |
else
|
|
|
3566 |
{
|
|
|
3567 |
return ETrue;
|
|
|
3568 |
}
|
|
|
3569 |
}
|
|
|
3570 |
}
|
|
|
3571 |
break;
|
|
|
3572 |
}
|
|
|
3573 |
case 3:
|
|
|
3574 |
{
|
|
|
3575 |
if (((inst & 0xF0000000) != 0xF) && ((inst & 0x00000010) == 0))
|
|
|
3576 |
{
|
|
|
3577 |
// load/store register offset
|
|
|
3578 |
if (ARM_LOAD(inst)) // bit 20
|
|
|
3579 |
{
|
|
|
3580 |
// loading a register from memory
|
|
|
3581 |
if (ARM_RD(inst) == PC_REGISTER)
|
|
|
3582 |
{
|
|
|
3583 |
// loading the PC register
|
|
|
3584 |
if (IsPreviousInstructionMovePCToLR(aThread))
|
|
|
3585 |
{
|
|
|
3586 |
return aStepInto;
|
|
|
3587 |
}
|
|
|
3588 |
else
|
|
|
3589 |
{
|
|
|
3590 |
return ETrue;
|
|
|
3591 |
}
|
|
|
3592 |
}
|
|
|
3593 |
}
|
|
|
3594 |
}
|
|
|
3595 |
break;
|
|
|
3596 |
}
|
|
|
3597 |
case 4:
|
|
|
3598 |
{
|
|
|
3599 |
if ((inst & 0xF0000000) != 0xF)
|
|
|
3600 |
{
|
|
|
3601 |
// load/store multiple
|
|
|
3602 |
if (ARM_LOAD(inst)) // bit 20
|
|
|
3603 |
{
|
|
|
3604 |
// loading a register from memory
|
|
|
3605 |
if (((inst & 0x00008000) >> 15))
|
|
|
3606 |
{
|
|
|
3607 |
// loading the PC register
|
|
|
3608 |
return ETrue;
|
|
|
3609 |
}
|
|
|
3610 |
}
|
|
|
3611 |
}
|
|
|
3612 |
break;
|
|
|
3613 |
}
|
|
|
3614 |
case 5:
|
|
|
3615 |
{
|
|
|
3616 |
if ((inst & 0xF0000000) == 0xF)
|
|
|
3617 |
{
|
|
|
3618 |
// BLX
|
|
|
3619 |
if (aStepInto)
|
|
|
3620 |
{
|
|
|
3621 |
return ETrue;
|
|
|
3622 |
}
|
|
|
3623 |
}
|
|
|
3624 |
else
|
|
|
3625 |
{
|
|
|
3626 |
if ((inst & 0x01000000)) // bit 24
|
|
|
3627 |
{
|
|
|
3628 |
// BL
|
|
|
3629 |
if (aStepInto)
|
|
|
3630 |
{
|
|
|
3631 |
return ETrue;
|
|
|
3632 |
}
|
|
|
3633 |
}
|
|
|
3634 |
else
|
|
|
3635 |
{
|
|
|
3636 |
// B
|
|
|
3637 |
return ETrue;
|
|
|
3638 |
}
|
|
|
3639 |
}
|
|
|
3640 |
break;
|
|
|
3641 |
}
|
|
|
3642 |
}
|
|
|
3643 |
}
|
|
|
3644 |
|
|
|
3645 |
return EFalse;
|
|
|
3646 |
}
|
|
|
3647 |
|
|
|
3648 |
//
|
|
|
3649 |
// DMetroTrkChannel::PCAfterInstructionExecutes
|
|
|
3650 |
//
|
|
|
3651 |
TUint32 DMetroTrkChannel::PCAfterInstructionExecutes(DThread *aThread, TUint32 aCurrentPC, TUint32 aStatusRegister, TInt aInstSize, TBool aStepInto, TUint32 &aNewRangeEnd, TBool &aChangingModes)
|
|
|
3652 |
{
|
|
|
3653 |
LOG_MSG("DMetroTrkChannel::PCAfterInstructionExecutes()");
|
|
|
3654 |
|
|
|
3655 |
// by default we will set the breakpoint at the next instruction
|
|
|
3656 |
TUint32 breakAddress = aCurrentPC + aInstSize;
|
|
|
3657 |
|
|
|
3658 |
// get the instruction at the current PC
|
|
|
3659 |
TBuf8<4> instruction;
|
|
|
3660 |
TInt err = DoReadMemory(aThread, aCurrentPC, aInstSize, instruction);
|
|
|
3661 |
|
|
|
3662 |
if (KErrNone != err)
|
|
|
3663 |
{
|
|
|
3664 |
return breakAddress;
|
|
|
3665 |
}
|
|
|
3666 |
|
|
|
3667 |
if (4 == aInstSize)
|
|
|
3668 |
{
|
|
|
3669 |
TUint32 inst = *(TUint32 *)instruction.Ptr();
|
|
|
3670 |
LOG_MSG2("Current instruction: %x", inst);
|
|
|
3671 |
|
|
|
3672 |
// check the conditions to see if this will actually get executed
|
|
|
3673 |
if (IsExecuted(((inst>>28) & 0x0000000F), aStatusRegister))
|
|
|
3674 |
{
|
|
|
3675 |
switch(ARM_OPCODE(inst)) // bits 27-25
|
|
|
3676 |
{
|
|
|
3677 |
case 0:
|
|
|
3678 |
{
|
|
|
3679 |
switch((inst & 0x00000010) >> 4) // bit 4
|
|
|
3680 |
{
|
|
|
3681 |
case 0:
|
|
|
3682 |
{
|
|
|
3683 |
switch((inst & 0x01800000) >> 23) // bits 24-23
|
|
|
3684 |
{
|
|
|
3685 |
case 2:
|
|
|
3686 |
{
|
|
|
3687 |
// move to/from status register. pc updates not allowed
|
|
|
3688 |
// or TST, TEQ, CMP, CMN which don't modify the PC
|
|
|
3689 |
break;
|
|
|
3690 |
}
|
|
|
3691 |
default:
|
|
|
3692 |
{
|
|
|
3693 |
// Data processing immediate shift
|
|
|
3694 |
if (ARM_RD(inst) == PC_REGISTER)
|
|
|
3695 |
{
|
|
|
3696 |
// destination register is the PC
|
|
|
3697 |
if (IsPreviousInstructionMovePCToLR(aThread) && !aStepInto)
|
|
|
3698 |
{
|
|
|
3699 |
return breakAddress;
|
|
|
3700 |
}
|
|
|
3701 |
|
|
|
3702 |
TUint32 rn = aCurrentPC + 8;
|
|
|
3703 |
if (ARM_RN(inst) != PC_REGISTER) // bits 19-16
|
|
|
3704 |
{
|
|
|
3705 |
rn = ReadRegister(aThread, ARM_RN(inst));
|
|
|
3706 |
}
|
|
|
3707 |
|
|
|
3708 |
TUint32 shifter = ShiftedRegValue(aThread, inst, aCurrentPC, aStatusRegister);
|
|
|
3709 |
|
|
|
3710 |
DecodeDataProcessingInstruction(((inst & 0x01E00000) >> 21), rn, shifter, aStatusRegister, breakAddress);
|
|
|
3711 |
}
|
|
|
3712 |
break;
|
|
|
3713 |
}
|
|
|
3714 |
}
|
|
|
3715 |
break;
|
|
|
3716 |
}
|
|
|
3717 |
case 1:
|
|
|
3718 |
{
|
|
|
3719 |
switch((inst & 0x00000080) >> 7) // bit 7
|
|
|
3720 |
{
|
|
|
3721 |
case 0:
|
|
|
3722 |
{
|
|
|
3723 |
switch((inst & 0x01900000) >> 20) // bits 24-23 and bit 20
|
|
|
3724 |
{
|
|
|
3725 |
case 0x10:
|
|
|
3726 |
{
|
|
|
3727 |
// from figure 3-3
|
|
|
3728 |
switch((inst & 0x000000F0) >> 4) // bits 7-4
|
|
|
3729 |
{
|
|
|
3730 |
case 1:
|
|
|
3731 |
{
|
|
|
3732 |
if (((inst & 0x00400000) >> 22) == 0) // bit 22
|
|
|
3733 |
{
|
|
|
3734 |
// BX
|
|
|
3735 |
// this is a strange case. normally this is used in the epilogue to branch the the link
|
|
|
3736 |
// register. sometimes it is used to call a function, and the LR is stored in the previous
|
|
|
3737 |
// instruction. since what we want to do is different for the two cases when stepping over,
|
|
|
3738 |
// we need to read the previous instruction to see what we should do
|
|
|
3739 |
if (IsPreviousInstructionMovePCToLR(aThread) && !aStepInto)
|
|
|
3740 |
{
|
|
|
3741 |
return breakAddress;
|
|
|
3742 |
}
|
|
|
3743 |
|
|
|
3744 |
breakAddress = ReadRegister(aThread, (inst & 0x0000000F));
|
|
|
3745 |
|
|
|
3746 |
if ((breakAddress & 0x00000001) == 1)
|
|
|
3747 |
{
|
|
|
3748 |
aChangingModes = ETrue;
|
|
|
3749 |
}
|
|
|
3750 |
|
|
|
3751 |
breakAddress &= 0xFFFFFFFE;
|
|
|
3752 |
}
|
|
|
3753 |
break;
|
|
|
3754 |
}
|
|
|
3755 |
case 3:
|
|
|
3756 |
{
|
|
|
3757 |
// BLX
|
|
|
3758 |
if (aStepInto)
|
|
|
3759 |
{
|
|
|
3760 |
breakAddress = ReadRegister(aThread, (inst & 0x0000000F));
|
|
|
3761 |
|
|
|
3762 |
if ((breakAddress & 0x00000001) == 1)
|
|
|
3763 |
{
|
|
|
3764 |
aChangingModes = ETrue;
|
|
|
3765 |
}
|
|
|
3766 |
|
|
|
3767 |
breakAddress &= 0xFFFFFFFE;
|
|
|
3768 |
}
|
|
|
3769 |
break;
|
|
|
3770 |
}
|
|
|
3771 |
default:
|
|
|
3772 |
{
|
|
|
3773 |
// either doesn't modify the PC or it is illegal to
|
|
|
3774 |
break;
|
|
|
3775 |
}
|
|
|
3776 |
}
|
|
|
3777 |
break;
|
|
|
3778 |
}
|
|
|
3779 |
default:
|
|
|
3780 |
{
|
|
|
3781 |
// Data processing register shift
|
|
|
3782 |
if (((inst & 0x01800000) >> 23) == 2) // bits 24-23
|
|
|
3783 |
{
|
|
|
3784 |
// TST, TEQ, CMP, CMN don't modify the PC
|
|
|
3785 |
}
|
|
|
3786 |
else if (ARM_RD(inst) == PC_REGISTER)
|
|
|
3787 |
{
|
|
|
3788 |
// destination register is the PC
|
|
|
3789 |
if (IsPreviousInstructionMovePCToLR(aThread) && !aStepInto)
|
|
|
3790 |
{
|
|
|
3791 |
return breakAddress;
|
|
|
3792 |
}
|
|
|
3793 |
|
|
|
3794 |
TUint32 rn = aCurrentPC + 8;
|
|
|
3795 |
if (ARM_RN(inst) != PC_REGISTER) // bits 19-16
|
|
|
3796 |
{
|
|
|
3797 |
rn = ReadRegister(aThread, ARM_RN(inst));
|
|
|
3798 |
}
|
|
|
3799 |
|
|
|
3800 |
TUint32 shifter = ShiftedRegValue(aThread, inst, aCurrentPC, aStatusRegister);
|
|
|
3801 |
|
|
|
3802 |
DecodeDataProcessingInstruction(((inst & 0x01E00000) >> 21), rn, shifter, aStatusRegister, breakAddress);
|
|
|
3803 |
}
|
|
|
3804 |
break;
|
|
|
3805 |
}
|
|
|
3806 |
}
|
|
|
3807 |
break;
|
|
|
3808 |
}
|
|
|
3809 |
default:
|
|
|
3810 |
{
|
|
|
3811 |
// from figure 3-2, updates to the PC illegal
|
|
|
3812 |
break;
|
|
|
3813 |
}
|
|
|
3814 |
}
|
|
|
3815 |
break;
|
|
|
3816 |
}
|
|
|
3817 |
}
|
|
|
3818 |
break;
|
|
|
3819 |
}
|
|
|
3820 |
case 1:
|
|
|
3821 |
{
|
|
|
3822 |
if (((inst & 0x01800000) >> 23) == 2) // bits 24-23
|
|
|
3823 |
{
|
|
|
3824 |
// cannot modify the PC
|
|
|
3825 |
break;
|
|
|
3826 |
}
|
|
|
3827 |
else if (ARM_RD(inst) == PC_REGISTER)
|
|
|
3828 |
{
|
|
|
3829 |
// destination register is the PC
|
|
|
3830 |
if (IsPreviousInstructionMovePCToLR(aThread) && !aStepInto)
|
|
|
3831 |
{
|
|
|
3832 |
return breakAddress;
|
|
|
3833 |
}
|
|
|
3834 |
|
|
|
3835 |
TUint32 rn = ReadRegister(aThread, ARM_RN(inst)); // bits 19-16
|
|
|
3836 |
TUint32 shifter = ((ARM_DATA_IMM(inst) >> ARM_DATA_ROT(inst)) | (ARM_DATA_IMM(inst) << (32 - ARM_DATA_ROT(inst)))) & 0xffffffff;
|
|
|
3837 |
|
|
|
3838 |
DecodeDataProcessingInstruction(((inst & 0x01E00000) >> 21), rn, shifter, aStatusRegister, breakAddress);
|
|
|
3839 |
}
|
|
|
3840 |
break;
|
|
|
3841 |
}
|
|
|
3842 |
case 2:
|
|
|
3843 |
{
|
|
|
3844 |
// load/store immediate offset
|
|
|
3845 |
if (ARM_LOAD(inst)) // bit 20
|
|
|
3846 |
{
|
|
|
3847 |
// loading a register from memory
|
|
|
3848 |
if (ARM_RD(inst) == PC_REGISTER)
|
|
|
3849 |
{
|
|
|
3850 |
// loading the PC register
|
|
|
3851 |
if (IsPreviousInstructionMovePCToLR(aThread) && !aStepInto)
|
|
|
3852 |
{
|
|
|
3853 |
return breakAddress;
|
|
|
3854 |
}
|
|
|
3855 |
|
|
|
3856 |
TUint32 base = ReadRegister(aThread, ARM_RN(inst));
|
|
|
3857 |
TUint32 offset = 0;
|
|
|
3858 |
|
|
|
3859 |
if (ARM_SINGLE_PRE(inst))
|
|
|
3860 |
{
|
|
|
3861 |
// Pre-indexing
|
|
|
3862 |
offset = ARM_SINGLE_IMM(inst);
|
|
|
3863 |
|
|
|
3864 |
if (ARM_SINGLE_U(inst))
|
|
|
3865 |
{
|
|
|
3866 |
base += offset;
|
|
|
3867 |
}
|
|
|
3868 |
else
|
|
|
3869 |
{
|
|
|
3870 |
base -= offset;
|
|
|
3871 |
}
|
|
|
3872 |
}
|
|
|
3873 |
|
|
|
3874 |
TBuf8<4> destination;
|
|
|
3875 |
TInt err = DoReadMemory(aThread, base, 4, destination);
|
|
|
3876 |
|
|
|
3877 |
if (KErrNone == err)
|
|
|
3878 |
{
|
|
|
3879 |
breakAddress = *(TUint32 *)destination.Ptr();
|
|
|
3880 |
|
|
|
3881 |
if ((breakAddress & 0x00000001) == 1)
|
|
|
3882 |
{
|
|
|
3883 |
aChangingModes = ETrue;
|
|
|
3884 |
}
|
|
|
3885 |
breakAddress &= 0xFFFFFFFE;
|
|
|
3886 |
}
|
|
|
3887 |
else
|
|
|
3888 |
{
|
|
|
3889 |
LOG_MSG("Error reading memory in decoding step instruction");
|
|
|
3890 |
}
|
|
|
3891 |
}
|
|
|
3892 |
}
|
|
|
3893 |
break;
|
|
|
3894 |
}
|
|
|
3895 |
case 3:
|
|
|
3896 |
{
|
|
|
3897 |
if (((inst & 0xF0000000) != 0xF) && ((inst & 0x00000010) == 0))
|
|
|
3898 |
{
|
|
|
3899 |
// load/store register offset
|
|
|
3900 |
if (ARM_LOAD(inst)) // bit 20
|
|
|
3901 |
{
|
|
|
3902 |
// loading a register from memory
|
|
|
3903 |
if (ARM_RD(inst) == PC_REGISTER)
|
|
|
3904 |
{
|
|
|
3905 |
// loading the PC register
|
|
|
3906 |
if (IsPreviousInstructionMovePCToLR(aThread) && !aStepInto)
|
|
|
3907 |
{
|
|
|
3908 |
return breakAddress;
|
|
|
3909 |
}
|
|
|
3910 |
|
|
|
3911 |
TUint32 base = (ARM_RN(inst) == PC_REGISTER) ? aCurrentPC + 8 : ReadRegister(aThread, ARM_RN(inst));
|
|
|
3912 |
TUint32 offset = 0;
|
|
|
3913 |
|
|
|
3914 |
if (ARM_SINGLE_PRE(inst))
|
|
|
3915 |
{
|
|
|
3916 |
offset = ShiftedRegValue(aThread, inst, aCurrentPC, aStatusRegister);
|
|
|
3917 |
|
|
|
3918 |
if (ARM_SINGLE_U(inst))
|
|
|
3919 |
{
|
|
|
3920 |
base += offset;
|
|
|
3921 |
}
|
|
|
3922 |
else
|
|
|
3923 |
{
|
|
|
3924 |
base -= offset;
|
|
|
3925 |
}
|
|
|
3926 |
}
|
|
|
3927 |
|
|
|
3928 |
TBuf8<4> destination;
|
|
|
3929 |
TInt err = DoReadMemory(aThread, base, 4, destination);
|
|
|
3930 |
|
|
|
3931 |
if (KErrNone == err)
|
|
|
3932 |
{
|
|
|
3933 |
breakAddress = *(TUint32 *)destination.Ptr();
|
|
|
3934 |
|
|
|
3935 |
if ((breakAddress & 0x00000001) == 1)
|
|
|
3936 |
{
|
|
|
3937 |
aChangingModes = ETrue;
|
|
|
3938 |
}
|
|
|
3939 |
breakAddress &= 0xFFFFFFFE;
|
|
|
3940 |
}
|
|
|
3941 |
else
|
|
|
3942 |
{
|
|
|
3943 |
LOG_MSG("Error reading memory in decoding step instruction");
|
|
|
3944 |
}
|
|
|
3945 |
}
|
|
|
3946 |
}
|
|
|
3947 |
}
|
|
|
3948 |
break;
|
|
|
3949 |
}
|
|
|
3950 |
case 4:
|
|
|
3951 |
{
|
|
|
3952 |
if ((inst & 0xF0000000) != 0xF)
|
|
|
3953 |
{
|
|
|
3954 |
// load/store multiple
|
|
|
3955 |
if (ARM_LOAD(inst)) // bit 20
|
|
|
3956 |
{
|
|
|
3957 |
// loading a register from memory
|
|
|
3958 |
if (((inst & 0x00008000) >> 15))
|
|
|
3959 |
{
|
|
|
3960 |
// loading the PC register
|
|
|
3961 |
TInt offset = 0;
|
|
|
3962 |
if (ARM_BLOCK_U(inst))
|
|
|
3963 |
{
|
|
|
3964 |
TUint32 reglist = ARM_BLOCK_REGLIST(inst);
|
|
|
3965 |
offset = Bitcount(reglist) * 4 - 4;
|
|
|
3966 |
if (ARM_BLOCK_PRE(inst))
|
|
|
3967 |
offset += 4;
|
|
|
3968 |
}
|
|
|
3969 |
else if (ARM_BLOCK_PRE(inst))
|
|
|
3970 |
{
|
|
|
3971 |
offset = -4;
|
|
|
3972 |
}
|
|
|
3973 |
|
|
|
3974 |
TUint32 temp = ReadRegister(aThread, ARM_RN(inst));
|
|
|
3975 |
|
|
|
3976 |
temp += offset;
|
|
|
3977 |
|
|
|
3978 |
TBuf8<4> destination;
|
|
|
3979 |
TInt err = DoReadMemory(aThread, temp, 4, destination);
|
|
|
3980 |
|
|
|
3981 |
if (KErrNone == err)
|
|
|
3982 |
{
|
|
|
3983 |
breakAddress = *(TUint32 *)destination.Ptr();
|
|
|
3984 |
if ((breakAddress & 0x00000001) == 1)
|
|
|
3985 |
{
|
|
|
3986 |
aChangingModes = ETrue;
|
|
|
3987 |
}
|
|
|
3988 |
breakAddress &= 0xFFFFFFFE;
|
|
|
3989 |
}
|
|
|
3990 |
else
|
|
|
3991 |
{
|
|
|
3992 |
LOG_MSG("Error reading memory in decoding step instruction");
|
|
|
3993 |
}
|
|
|
3994 |
}
|
|
|
3995 |
}
|
|
|
3996 |
}
|
|
|
3997 |
break;
|
|
|
3998 |
}
|
|
|
3999 |
case 5:
|
|
|
4000 |
{
|
|
|
4001 |
if ((inst & 0xF0000000) == 0xF)
|
|
|
4002 |
{
|
|
|
4003 |
// BLX
|
|
|
4004 |
if (aStepInto)
|
|
|
4005 |
{
|
|
|
4006 |
breakAddress = (TUint32)ARM_INSTR_B_DEST(inst, aCurrentPC);
|
|
|
4007 |
|
|
|
4008 |
if ((breakAddress & 0x00000001) == 1)
|
|
|
4009 |
{
|
|
|
4010 |
aChangingModes = ETrue;
|
|
|
4011 |
}
|
|
|
4012 |
|
|
|
4013 |
breakAddress &= 0xFFFFFFFE;
|
|
|
4014 |
}
|
|
|
4015 |
}
|
|
|
4016 |
else
|
|
|
4017 |
{
|
|
|
4018 |
if ((inst & 0x01000000)) // bit 24
|
|
|
4019 |
{
|
|
|
4020 |
// BL
|
|
|
4021 |
if (aStepInto)
|
|
|
4022 |
{
|
|
|
4023 |
breakAddress = (TUint32)ARM_INSTR_B_DEST(inst, aCurrentPC);
|
|
|
4024 |
}
|
|
|
4025 |
}
|
|
|
4026 |
else
|
|
|
4027 |
{
|
|
|
4028 |
// B
|
|
|
4029 |
breakAddress = (TUint32)ARM_INSTR_B_DEST(inst, aCurrentPC);
|
|
|
4030 |
}
|
|
|
4031 |
}
|
|
|
4032 |
break;
|
|
|
4033 |
}
|
|
|
4034 |
}
|
|
|
4035 |
}
|
|
|
4036 |
}
|
|
|
4037 |
else
|
|
|
4038 |
{
|
|
|
4039 |
// Thumb Mode
|
|
|
4040 |
TUint16 inst = *(TUint16 *)instruction.Ptr();
|
|
|
4041 |
LOG_MSG2("Current instruction: %x", inst);
|
|
|
4042 |
|
|
|
4043 |
switch(THUMB_OPCODE(inst))
|
|
|
4044 |
{
|
|
|
4045 |
case 0x08:
|
|
|
4046 |
{
|
|
|
4047 |
if (aStepInto && (THUMB_INST_7_15(inst) == 0x08F))
|
|
|
4048 |
{
|
|
|
4049 |
// BLX(2)
|
|
|
4050 |
breakAddress = ReadRegister(aThread, ((inst & 0x0078) >> 3));
|
|
|
4051 |
|
|
|
4052 |
if ((breakAddress & 0x00000001) == 0)
|
|
|
4053 |
{
|
|
|
4054 |
aChangingModes = ETrue;
|
|
|
4055 |
}
|
|
|
4056 |
|
|
|
4057 |
breakAddress &= 0xFFFFFFFE;
|
|
|
4058 |
}
|
|
|
4059 |
else if (THUMB_INST_7_15(inst) == 0x08E)
|
|
|
4060 |
{
|
|
|
4061 |
// BX
|
|
|
4062 |
breakAddress = ReadRegister(aThread, ((inst & 0x0078) >> 3));
|
|
|
4063 |
|
|
|
4064 |
if ((breakAddress & 0x00000001) == 0)
|
|
|
4065 |
{
|
|
|
4066 |
aChangingModes = ETrue;
|
|
|
4067 |
}
|
|
|
4068 |
|
|
|
4069 |
breakAddress &= 0xFFFFFFFE;
|
|
|
4070 |
}
|
|
|
4071 |
else if ((THUMB_INST_8_15(inst) == 0x46) && ((inst & 0x87) == 0x87))
|
|
|
4072 |
{
|
|
|
4073 |
// MOV with PC as the destination
|
|
|
4074 |
breakAddress = ReadRegister(aThread, ((inst & 0x0078) >> 3));
|
|
|
4075 |
}
|
|
|
4076 |
else if ((THUMB_INST_8_15(inst) == 0x44) && ((inst & 0x87) == 0x87))
|
|
|
4077 |
{
|
|
|
4078 |
// ADD with PC as the destination
|
|
|
4079 |
breakAddress = aCurrentPC + ReadRegister(aThread, ((inst & 0x0078) >> 3));
|
|
|
4080 |
}
|
|
|
4081 |
break;
|
|
|
4082 |
}
|
|
|
4083 |
case 0x13:
|
|
|
4084 |
{
|
|
|
4085 |
//This instruction doesn't modify the PC.
|
|
|
4086 |
|
|
|
4087 |
//if (THUMB_INST_8_15(inst) == 0x9F)
|
|
|
4088 |
//{
|
|
|
4089 |
// LDR(4) with the PC as the destination
|
|
|
4090 |
// breakAddress = ReadRegister(aThread, SP_REGISTER) + (4 * (inst & 0x00FF));
|
|
|
4091 |
//}
|
|
|
4092 |
break;
|
|
|
4093 |
}
|
|
|
4094 |
case 0x17:
|
|
|
4095 |
{
|
|
|
4096 |
if (THUMB_INST_8_15(inst) == 0xBD)
|
|
|
4097 |
{
|
|
|
4098 |
// POP with the PC in the list
|
|
|
4099 |
TUint32 regList = (inst & 0x00FF);
|
|
|
4100 |
TInt offset = ReadRegister(aThread, SP_REGISTER) + (Bitcount(regList) * 4);
|
|
|
4101 |
|
|
|
4102 |
TBuf8<4> destination;
|
|
|
4103 |
TInt err = DoReadMemory(aThread, offset, 4, destination);
|
|
|
4104 |
|
|
|
4105 |
if (KErrNone == err)
|
|
|
4106 |
{
|
|
|
4107 |
breakAddress = *(TUint32 *)destination.Ptr();
|
|
|
4108 |
|
|
|
4109 |
if ((breakAddress & 0x00000001) == 0)
|
|
|
4110 |
{
|
|
|
4111 |
aChangingModes = ETrue;
|
|
|
4112 |
}
|
|
|
4113 |
|
|
|
4114 |
breakAddress &= 0xFFFFFFFE;
|
|
|
4115 |
}
|
|
|
4116 |
else
|
|
|
4117 |
{
|
|
|
4118 |
LOG_MSG("Error reading memory in decoding step instruction");
|
|
|
4119 |
}
|
|
|
4120 |
}
|
|
|
4121 |
break;
|
|
|
4122 |
}
|
|
|
4123 |
case 0x1A:
|
|
|
4124 |
case 0x1B:
|
|
|
4125 |
{
|
|
|
4126 |
if (THUMB_INST_8_15(inst) < 0xDE)
|
|
|
4127 |
{
|
|
|
4128 |
// B(1) conditional branch
|
|
|
4129 |
if (IsExecuted(((inst & 0x0F00) >> 8), aStatusRegister))
|
|
|
4130 |
{
|
|
|
4131 |
TUint32 offset = ((inst & 0x000000FF) << 1);
|
|
|
4132 |
if (offset & 0x00000100)
|
|
|
4133 |
{
|
|
|
4134 |
offset |= 0xFFFFFF00;
|
|
|
4135 |
}
|
|
|
4136 |
|
|
|
4137 |
breakAddress = aCurrentPC + 4 + offset;
|
|
|
4138 |
}
|
|
|
4139 |
}
|
|
|
4140 |
break;
|
|
|
4141 |
}
|
|
|
4142 |
case 0x1C:
|
|
|
4143 |
{
|
|
|
4144 |
// B(2) unconditional branch
|
|
|
4145 |
TUint32 offset = (inst & 0x000007FF) << 1;
|
|
|
4146 |
if (offset & 0x00000800)
|
|
|
4147 |
{
|
|
|
4148 |
offset |= 0xFFFFF800;
|
|
|
4149 |
}
|
|
|
4150 |
|
|
|
4151 |
breakAddress = aCurrentPC + 4 + offset;
|
|
|
4152 |
break;
|
|
|
4153 |
}
|
|
|
4154 |
case 0x1D:
|
|
|
4155 |
{
|
|
|
4156 |
if (aStepInto && !(inst & 0x0001))
|
|
|
4157 |
{
|
|
|
4158 |
// BLX(1)
|
|
|
4159 |
breakAddress = (ReadRegister(aThread, LINK_REGISTER) + ((inst & 0x07FF) << 1));
|
|
|
4160 |
if ((breakAddress & 0x00000001) == 0)
|
|
|
4161 |
{
|
|
|
4162 |
aChangingModes = ETrue;
|
|
|
4163 |
}
|
|
|
4164 |
|
|
|
4165 |
breakAddress &= 0xFFFFFFFC;
|
|
|
4166 |
}
|
|
|
4167 |
break;
|
|
|
4168 |
}
|
|
|
4169 |
case 0x1E:
|
|
|
4170 |
{
|
|
|
4171 |
// BL/BLX prefix - destination is encoded in this and the next instruction
|
|
|
4172 |
aNewRangeEnd += 2;
|
|
|
4173 |
// BL Stepping Changes
|
|
|
4174 |
if (aStepInto)
|
|
|
4175 |
{
|
|
|
4176 |
TBuf8<2> nextInstruction;
|
|
|
4177 |
TInt err = DoReadMemory(aThread, aCurrentPC+2, aInstSize, nextInstruction);
|
|
|
4178 |
if (KErrNone == err)
|
|
|
4179 |
{
|
|
|
4180 |
TUint16 nextInst = *(TUint16*)nextInstruction.Ptr();
|
|
|
4181 |
LOG_MSG2("Next instruction: %x", nextInst);
|
|
|
4182 |
|
|
|
4183 |
// base new LR from first instruction
|
|
|
4184 |
TUint32 newLR = inst & 0x07FF;
|
|
|
4185 |
newLR <<= 12;
|
|
|
4186 |
if (newLR & (TUint32)(0x0400 << 12))
|
|
|
4187 |
{
|
|
|
4188 |
// sign-extend it
|
|
|
4189 |
newLR |= 0xFF800000;
|
|
|
4190 |
}
|
|
|
4191 |
newLR += aCurrentPC + 4; // pc is pointing to first instruction + 4
|
|
|
4192 |
TUint32 newPC = newLR + ((nextInst & 0x07FF) << 1);
|
|
|
4193 |
if (THUMB_OPCODE(nextInst) == 0x1D) // H = 01 changing to ARM (BLX)
|
|
|
4194 |
{
|
|
|
4195 |
newPC &= 0xFFFFFFFC;
|
|
|
4196 |
aChangingModes = ETrue;
|
|
|
4197 |
}
|
|
|
4198 |
|
|
|
4199 |
breakAddress = newPC;
|
|
|
4200 |
}
|
|
|
4201 |
}
|
|
|
4202 |
else // step over
|
|
|
4203 |
{
|
|
|
4204 |
breakAddress += 2;
|
|
|
4205 |
}
|
|
|
4206 |
// End of BL Stepping Changes
|
|
|
4207 |
break;
|
|
|
4208 |
}
|
|
|
4209 |
case 0x1F:
|
|
|
4210 |
{
|
|
|
4211 |
if (aStepInto)
|
|
|
4212 |
{
|
|
|
4213 |
// BL
|
|
|
4214 |
breakAddress = ReadRegister(aThread, LINK_REGISTER) + ((inst & 0x07FF) << 1);
|
|
|
4215 |
}
|
|
|
4216 |
break;
|
|
|
4217 |
}
|
|
|
4218 |
}
|
|
|
4219 |
}
|
|
|
4220 |
|
|
|
4221 |
return breakAddress;
|
|
|
4222 |
}
|
|
|
4223 |
|
|
|
4224 |
|
|
|
4225 |
//
|
|
|
4226 |
// DMetroTrkChannel::DecodeDataProcessingInstruction
|
|
|
4227 |
//
|
|
|
4228 |
void DMetroTrkChannel::DecodeDataProcessingInstruction(TUint8 aOpcode, TUint32 aOp1, TUint32 aOp2, TUint32 aStatusRegister, TUint32 &aBreakAddress)
|
|
|
4229 |
{
|
|
|
4230 |
LOG_MSG("DMetroTrkChannel::DecodeDataProcessingInstruction()");
|
|
|
4231 |
|
|
|
4232 |
switch(aOpcode)
|
|
|
4233 |
{
|
|
|
4234 |
case 0:
|
|
|
4235 |
{
|
|
|
4236 |
// AND
|
|
|
4237 |
aBreakAddress = aOp1 & aOp2;
|
|
|
4238 |
break;
|
|
|
4239 |
}
|
|
|
4240 |
case 1:
|
|
|
4241 |
{
|
|
|
4242 |
// EOR
|
|
|
4243 |
aBreakAddress = aOp1 ^ aOp2;
|
|
|
4244 |
break;
|
|
|
4245 |
}
|
|
|
4246 |
case 2:
|
|
|
4247 |
{
|
|
|
4248 |
// SUB
|
|
|
4249 |
aBreakAddress = aOp1 - aOp2;
|
|
|
4250 |
break;
|
|
|
4251 |
}
|
|
|
4252 |
case 3:
|
|
|
4253 |
{
|
|
|
4254 |
// RSB
|
|
|
4255 |
aBreakAddress = aOp2 - aOp1;
|
|
|
4256 |
break;
|
|
|
4257 |
}
|
|
|
4258 |
case 4:
|
|
|
4259 |
{
|
|
|
4260 |
// ADD
|
|
|
4261 |
aBreakAddress = aOp1 + aOp2;
|
|
|
4262 |
break;
|
|
|
4263 |
}
|
|
|
4264 |
case 5:
|
|
|
4265 |
{
|
|
|
4266 |
// ADC
|
|
|
4267 |
aBreakAddress = aOp1 + aOp2 + (aStatusRegister & ARM_CARRY_BIT) ? 1 : 0;
|
|
|
4268 |
break;
|
|
|
4269 |
}
|
|
|
4270 |
case 6:
|
|
|
4271 |
{
|
|
|
4272 |
// SBC
|
|
|
4273 |
aBreakAddress = aOp1 - aOp2 - (aStatusRegister & ARM_CARRY_BIT) ? 0 : 1;
|
|
|
4274 |
break;
|
|
|
4275 |
}
|
|
|
4276 |
case 7:
|
|
|
4277 |
{
|
|
|
4278 |
// RSC
|
|
|
4279 |
aBreakAddress = aOp2 - aOp1 - (aStatusRegister & ARM_CARRY_BIT) ? 0 : 1;
|
|
|
4280 |
break;
|
|
|
4281 |
}
|
|
|
4282 |
case 12:
|
|
|
4283 |
{
|
|
|
4284 |
// ORR
|
|
|
4285 |
aBreakAddress = aOp1 | aOp2;
|
|
|
4286 |
break;
|
|
|
4287 |
}
|
|
|
4288 |
case 13:
|
|
|
4289 |
{
|
|
|
4290 |
// MOV
|
|
|
4291 |
aBreakAddress = aOp2;
|
|
|
4292 |
break;
|
|
|
4293 |
}
|
|
|
4294 |
case 14:
|
|
|
4295 |
{
|
|
|
4296 |
// BIC
|
|
|
4297 |
aBreakAddress = aOp1 & ~aOp2;
|
|
|
4298 |
break;
|
|
|
4299 |
}
|
|
|
4300 |
case 15:
|
|
|
4301 |
{
|
|
|
4302 |
// MVN
|
|
|
4303 |
aBreakAddress = ~aOp2;
|
|
|
4304 |
break;
|
|
|
4305 |
}
|
|
|
4306 |
}
|
|
|
4307 |
}
|
|
|
4308 |
|
|
|
4309 |
//
|
|
|
4310 |
// DMetroTrkChannel::IsPreviousInstructionMovePCToLR
|
|
|
4311 |
//
|
|
|
4312 |
TBool DMetroTrkChannel::IsPreviousInstructionMovePCToLR(DThread *aThread)
|
|
|
4313 |
{
|
|
|
4314 |
LOG_MSG("DMetroTrkChannel::IsPreviousInstructionMovePCToLR()");
|
|
|
4315 |
|
|
|
4316 |
// there are several types of instructions that modify the PC that aren't
|
|
|
4317 |
// designated as linked or non linked branches. the way gcc generates the
|
|
|
4318 |
// code can tell us whether or not these instructions are to be treated as
|
|
|
4319 |
// linked branches. the main cases are bx and any type of mov or load or
|
|
|
4320 |
// arithmatic operation that changes the PC. if these are really just
|
|
|
4321 |
// function calls that will return, gcc will generate a mov lr, pc
|
|
|
4322 |
// instruction as the previous instruction. note that this is just for arm
|
|
|
4323 |
// and armi
|
|
|
4324 |
|
|
|
4325 |
// get the address of the previous instruction
|
|
|
4326 |
TUint32 address = ReadRegister(aThread, PC_REGISTER) - 4;
|
|
|
4327 |
|
|
|
4328 |
TBuf8<4> previousInstruction;
|
|
|
4329 |
TInt err = DoReadMemory(aThread, address, 4, previousInstruction);
|
|
|
4330 |
if (KErrNone != err)
|
|
|
4331 |
{
|
|
|
4332 |
LOG_MSG2("Error %d reading memory at address %x", address);
|
|
|
4333 |
return EFalse;
|
|
|
4334 |
}
|
|
|
4335 |
|
|
|
4336 |
const TUint32 movePCToLRIgnoringCondition = 0x01A0E00F;
|
|
|
4337 |
|
|
|
4338 |
TUint32 inst = *(TUint32 *)previousInstruction.Ptr();
|
|
|
4339 |
|
|
|
4340 |
if ((inst & 0x0FFFFFFF) == movePCToLRIgnoringCondition)
|
|
|
4341 |
{
|
|
|
4342 |
return ETrue;
|
|
|
4343 |
}
|
|
|
4344 |
|
|
|
4345 |
return EFalse;
|
|
|
4346 |
}
|
|
|
4347 |
|
|
|
4348 |
//
|
|
|
4349 |
// DMetroTrkChannel::DoEnableDisabledBreak
|
|
|
4350 |
//
|
|
|
4351 |
// Restore the breakpoint that was disabled for stepping past it if necessary
|
|
|
4352 |
//
|
|
|
4353 |
TInt DMetroTrkChannel::DoEnableDisabledBreak(TUint32 aThreadId)
|
|
|
4354 |
{
|
|
|
4355 |
LOG_MSG("DMetroTrkChannel::DoEnableDisabledBreak()");
|
|
|
4356 |
|
|
|
4357 |
for (TInt i = NUMBER_OF_TEMP_BREAKPOINTS; i < iBreakPointList.Count(); i++)
|
|
|
4358 |
{
|
|
|
4359 |
// if (iBreakPointList[i].iDisabledForStep && ((iBreakPointList[i].iThreadId == aThreadId) || (iBreakPointList[i].iThreadId == 0xFFFFFFFF)))
|
|
|
4360 |
// Always re-enable non-Thread Specific breakpoints
|
|
|
4361 |
if (iBreakPointList[i].iDisabledForStep && ((iBreakPointList[i].iThreadId == aThreadId) || (iBreakPointList[i].iThreadSpecific == EFalse)))
|
|
|
4362 |
{
|
|
|
4363 |
LOG_MSG2("Re-enabling breakpoint at address %x", iBreakPointList[i].iAddress);
|
|
|
4364 |
iBreakPointList[i].iDisabledForStep = EFalse;
|
|
|
4365 |
return DoEnableBreak(iBreakPointList[i], EFalse);
|
|
|
4366 |
}
|
|
|
4367 |
}
|
|
|
4368 |
|
|
|
4369 |
return KErrNone;
|
|
|
4370 |
}
|
|
|
4371 |
|
|
|
4372 |
//
|
|
|
4373 |
// DMetroTrkChannel::IsExecuted
|
|
|
4374 |
//
|
|
|
4375 |
// Determines whether or not an instruction will be executed
|
|
|
4376 |
//
|
|
|
4377 |
TBool DMetroTrkChannel::IsExecuted(TUint8 aCondition ,TUint32 aStatusRegister)
|
|
|
4378 |
{
|
|
|
4379 |
LOG_MSG("DMetroTrkChannel::IsExecuted()");
|
|
|
4380 |
|
|
|
4381 |
TBool N = ((aStatusRegister >> 28) & 0x0000000F) & 0x00000008;
|
|
|
4382 |
TBool Z = ((aStatusRegister >> 28) & 0x0000000F) & 0x00000004;
|
|
|
4383 |
TBool C = ((aStatusRegister >> 28) & 0x0000000F) & 0x00000002;
|
|
|
4384 |
TBool V = ((aStatusRegister >> 28) & 0x0000000F) & 0x00000001;
|
|
|
4385 |
|
|
|
4386 |
switch(aCondition)
|
|
|
4387 |
{
|
|
|
4388 |
case 0:
|
|
|
4389 |
return Z;
|
|
|
4390 |
case 1:
|
|
|
4391 |
return !Z;
|
|
|
4392 |
case 2:
|
|
|
4393 |
return C;
|
|
|
4394 |
case 3:
|
|
|
4395 |
return !C;
|
|
|
4396 |
case 4:
|
|
|
4397 |
return N;
|
|
|
4398 |
case 5:
|
|
|
4399 |
return !N;
|
|
|
4400 |
case 6:
|
|
|
4401 |
return V;
|
|
|
4402 |
case 7:
|
|
|
4403 |
return !V;
|
|
|
4404 |
case 8:
|
|
|
4405 |
return (C && !Z);
|
|
|
4406 |
case 9:
|
|
|
4407 |
return (!C || Z);
|
|
|
4408 |
case 10:
|
|
|
4409 |
return (N == V);
|
|
|
4410 |
case 11:
|
|
|
4411 |
return (N != V);
|
|
|
4412 |
case 12:
|
|
|
4413 |
return ((N == V) && !Z);
|
|
|
4414 |
case 13:
|
|
|
4415 |
return (Z || (N != V));
|
|
|
4416 |
case 14:
|
|
|
4417 |
case 15:
|
|
|
4418 |
return ETrue;
|
|
|
4419 |
}
|
|
|
4420 |
|
|
|
4421 |
return EFalse;
|
|
|
4422 |
}
|
|
|
4423 |
|
|
|
4424 |
|
|
|
4425 |
TBool DMetroTrkChannel::IsAddressInRom(TUint32 aAddress)
|
|
|
4426 |
{
|
|
|
4427 |
LOG_MSG("DMetroTrkChannel::IsAddressInRom()");
|
|
|
4428 |
|
|
|
4429 |
TRomHeader romHeader = Epoc::RomHeader();
|
|
|
4430 |
|
|
|
4431 |
if ((aAddress >= romHeader.iRomBase ) && (aAddress < (romHeader.iRomBase + romHeader.iRomSize)))
|
|
|
4432 |
return ETrue;
|
|
|
4433 |
|
|
|
4434 |
return EFalse;
|
|
|
4435 |
}
|
|
|
4436 |
|
|
|
4437 |
TBool DMetroTrkChannel::IsAddressSecure(TUint32 aAddress)
|
|
|
4438 |
{
|
|
|
4439 |
LOG_MSG("DMetroTrkChannel::IsAddressInRom()");
|
|
|
4440 |
|
|
|
4441 |
// SHORT TERM FIX...
|
|
|
4442 |
// For now, don't allow access to Kernel memory...
|
|
|
4443 |
TLinAddr kernDataStartAddr = iMultipleMemModel ? KSuperPageMultipleLinAddr: KSuperPageMovingLinAddr;
|
|
|
4444 |
TLinAddr kernDataEndAddr = iMultipleMemModel ? KKernDataEndMultipleLinAddr: KKernDataEndMovingLinAddr;
|
|
|
4445 |
|
|
|
4446 |
if ((aAddress >= kernDataStartAddr) && (aAddress <= kernDataEndAddr))
|
|
|
4447 |
return ETrue;
|
|
|
4448 |
|
|
|
4449 |
return EFalse;
|
|
|
4450 |
}
|
|
|
4451 |
|
|
|
4452 |
TBool DMetroTrkChannel::IsRegisterSecure(TInt registerIndex)
|
|
|
4453 |
{
|
|
|
4454 |
LOG_MSG("DMetroTrkChannel::IsRegisterSecure()");
|
|
|
4455 |
|
|
|
4456 |
if (registerIndex == SP_REGISTER || registerIndex == LINK_REGISTER || registerIndex == STATUS_REGISTER)
|
|
|
4457 |
return ETrue;
|
|
|
4458 |
|
|
|
4459 |
return EFalse;
|
|
|
4460 |
}
|
|
|
4461 |
|
|
|
4462 |
//
|
|
|
4463 |
// DMetroTrkChannel::AllocateShadowPageIfNecessary
|
|
|
4464 |
//
|
|
|
4465 |
// Allocate a shadow page if the address is in ROM and no page has been allocated for that range yet
|
|
|
4466 |
//
|
|
|
4467 |
TInt DMetroTrkChannel::AllocateShadowPageIfNecessary(TUint32 aAddress, TUint32 &aPageAddress)
|
|
|
4468 |
{
|
|
|
4469 |
LOG_MSG("DMetroTrkChannel::AllocateShadowPageIfNecessary()");
|
|
|
4470 |
|
|
|
4471 |
// if this is in ROM, we need to shadow memory
|
|
|
4472 |
TBool inRom = EFalse;
|
|
|
4473 |
|
|
|
4474 |
//find out if M::IsRomAddress is available from ekern or any other library
|
|
|
4475 |
//ReturnIfError(inRom = M::IsRomAddress((TAny *)aAddress));
|
|
|
4476 |
TRomHeader romHeader = Epoc::RomHeader();
|
|
|
4477 |
|
|
|
4478 |
if ((aAddress >= romHeader.iRomBase ) && (aAddress < (romHeader.iRomBase + romHeader.iRomSize)))
|
|
|
4479 |
inRom = ETrue;
|
|
|
4480 |
|
|
|
4481 |
TInt err = KErrNone;
|
|
|
4482 |
|
|
|
4483 |
if (inRom) // && (TSuperPage().iRomConfig[0].iType != KBdbBankTypeRamAsRom))
|
|
|
4484 |
{
|
|
|
4485 |
// if a shadow page has not already been allocated for this address range, do so now
|
|
|
4486 |
TUint32 pageAddress = (aAddress & ~(iPageSize-1));
|
|
|
4487 |
|
|
|
4488 |
TBool found = EFalse;
|
|
|
4489 |
for (TInt i=0; i<iBreakPointList.Count(); i++)
|
|
|
4490 |
{
|
|
|
4491 |
if (pageAddress == iBreakPointList[i].iPageAddress)
|
|
|
4492 |
{
|
|
|
4493 |
LOG_MSG2("Shadow page already allocated at address %x", pageAddress);
|
|
|
4494 |
found = ETrue;
|
|
|
4495 |
}
|
|
|
4496 |
}
|
|
|
4497 |
|
|
|
4498 |
if (!found)
|
|
|
4499 |
{
|
|
|
4500 |
LOG_MSG2("Allocating shadow page starting at address %x", pageAddress);
|
|
|
4501 |
err = Epoc::AllocShadowPage(pageAddress);
|
|
|
4502 |
if (KErrNone != err)
|
|
|
4503 |
{
|
|
|
4504 |
LOG_MSG2("Error %d allocating shadow page", err);
|
|
|
4505 |
return KErrGeneral;
|
|
|
4506 |
}
|
|
|
4507 |
|
|
|
4508 |
//check to see if this is still necessary
|
|
|
4509 |
//if ((ASSPID() & ASSP_ID_MASK) == XSCALE_ASSP_ID)
|
|
|
4510 |
//FlushDataCache(); // workaround for cache flush problem on Lubbock/PXA255 base port
|
|
|
4511 |
}
|
|
|
4512 |
|
|
|
4513 |
// return the page address
|
|
|
4514 |
aPageAddress = pageAddress;
|
|
|
4515 |
}
|
|
|
4516 |
|
|
|
4517 |
return err;
|
|
|
4518 |
}
|
|
|
4519 |
|
|
|
4520 |
//
|
|
|
4521 |
// DMetroTrkChannel::FreeShadowPageIfNecessary
|
|
|
4522 |
//
|
|
|
4523 |
// Free a shadow page if the address is in ROM and no no other breakpoints are set in that page range
|
|
|
4524 |
//
|
|
|
4525 |
TInt DMetroTrkChannel::FreeShadowPageIfNecessary(TUint32 aAddress, TUint32 aPageAddress)
|
|
|
4526 |
{
|
|
|
4527 |
LOG_MSG("DMetroTrkChannel::FreeShadowPageIfNecessary()");
|
|
|
4528 |
|
|
|
4529 |
TInt err = KErrNone;
|
|
|
4530 |
|
|
|
4531 |
TBool found = EFalse;
|
|
|
4532 |
|
|
|
4533 |
TBool inRom = EFalse;
|
|
|
4534 |
|
|
|
4535 |
//find out if M::IsRomAddress is available from ekern or any other library
|
|
|
4536 |
//ReturnIfError(inRom = M::IsRomAddress((TAny *)aAddress));
|
|
|
4537 |
TRomHeader romHeader = Epoc::RomHeader();
|
|
|
4538 |
|
|
|
4539 |
if ((aAddress >= romHeader.iRomBase ) && (aAddress < (romHeader.iRomBase + romHeader.iRomSize)))
|
|
|
4540 |
inRom = ETrue;
|
|
|
4541 |
|
|
|
4542 |
if (inRom)// && (TSuperPage().iRomConfig[0].iType != KBdbBankTypeRamAsRom))
|
|
|
4543 |
{
|
|
|
4544 |
// if there are no other breakpoints in this shadow page, we can free it now
|
|
|
4545 |
for (TInt i = 0; i < iBreakPointList.Count(); i++)
|
|
|
4546 |
{
|
|
|
4547 |
if (aAddress != iBreakPointList[i].iAddress) // ignore the current entry
|
|
|
4548 |
{
|
|
|
4549 |
if ((iBreakPointList[i].iAddress >= aPageAddress) &&
|
|
|
4550 |
(iBreakPointList[i].iAddress < (aPageAddress + iPageSize)))
|
|
|
4551 |
{
|
|
|
4552 |
LOG_MSG("Still a breakpoint in this shadow page range");
|
|
|
4553 |
found = ETrue;
|
|
|
4554 |
break;
|
|
|
4555 |
}
|
|
|
4556 |
}
|
|
|
4557 |
}
|
|
|
4558 |
|
|
|
4559 |
if (!found)
|
|
|
4560 |
{
|
|
|
4561 |
LOG_MSG2("Freeing shadow page starting at address %x", aPageAddress);
|
|
|
4562 |
err = Epoc::FreeShadowPage(aPageAddress);
|
|
|
4563 |
if (KErrNone != err)
|
|
|
4564 |
{
|
|
|
4565 |
LOG_MSG2("Error %d freeing shadow page", err);
|
|
|
4566 |
return KErrGeneral;
|
|
|
4567 |
}
|
|
|
4568 |
}
|
|
|
4569 |
}
|
|
|
4570 |
|
|
|
4571 |
return err;
|
|
|
4572 |
}
|
|
|
4573 |
|
|
|
4574 |
|
|
|
4575 |
|
|
|
4576 |
//
|
|
|
4577 |
// DMetroTrkChannel::NotifyEvent
|
|
|
4578 |
//
|
|
|
4579 |
void DMetroTrkChannel::NotifyEvent(SEventInfo aEventInfo, TBool isTraceEvent)
|
|
|
4580 |
{
|
|
|
4581 |
LOG_MSG("DMetroTrkChannel::NotifyEvent()");
|
|
|
4582 |
|
|
|
4583 |
if (iEventInfo)
|
|
|
4584 |
{
|
|
|
4585 |
LOG_MSG2("Completing event, type: %d", aEventInfo.iEventType);
|
|
|
4586 |
|
|
|
4587 |
// iThread is the user side debugger thread, so use it to write the info to it memory
|
|
|
4588 |
TInt err = Kern::ThreadRawWrite(iClientThread, iEventInfo, (TUint8 *)&aEventInfo, sizeof(SEventInfo), iClientThread);
|
|
|
4589 |
|
|
|
4590 |
if (KErrNone != err)
|
|
|
4591 |
LOG_MSG2("Error writing event info: %d", err);
|
|
|
4592 |
|
|
|
4593 |
// clear this since we've completed the request
|
|
|
4594 |
iEventInfo = NULL;
|
|
|
4595 |
|
|
|
4596 |
// signal the debugger thread
|
|
|
4597 |
Kern::RequestComplete(iClientThread, iRequestGetEventStatus, KErrNone);
|
|
|
4598 |
}
|
|
|
4599 |
else
|
|
|
4600 |
{
|
|
|
4601 |
if (isTraceEvent)
|
|
|
4602 |
{
|
|
|
4603 |
LOG_MSG("Queuing trace event\r\n");
|
|
|
4604 |
|
|
|
4605 |
for (TInt i=0; i<NUMBER_OF_EVENTS_TO_QUEUE; i++)
|
|
|
4606 |
{
|
|
|
4607 |
if (SEventInfo::EUnknown == iTraceEventQueue[i].iEventType)
|
|
|
4608 |
{
|
|
|
4609 |
iTraceEventQueue[i] = aEventInfo;
|
|
|
4610 |
break;
|
|
|
4611 |
}
|
|
|
4612 |
}
|
|
|
4613 |
}
|
|
|
4614 |
else
|
|
|
4615 |
{
|
|
|
4616 |
LOG_MSG2("Queuing event, type: %d", aEventInfo.iEventType);
|
|
|
4617 |
|
|
|
4618 |
for (TInt i=0; i<NUMBER_OF_EVENTS_TO_QUEUE; i++)
|
|
|
4619 |
{
|
|
|
4620 |
if (SEventInfo::EUnknown == iEventQueue[i].iEventType)
|
|
|
4621 |
{
|
|
|
4622 |
iEventQueue[i] = aEventInfo;
|
|
|
4623 |
break;
|
|
|
4624 |
}
|
|
|
4625 |
}
|
|
|
4626 |
}
|
|
|
4627 |
}
|
|
|
4628 |
}
|
|
|
4629 |
|
|
|
4630 |
|
|
|
4631 |
//
|
|
|
4632 |
// DMetroTrkChannel::ThreadFromId
|
|
|
4633 |
//
|
|
|
4634 |
DThread* DMetroTrkChannel::ThreadFromId(TUint32 aId)
|
|
|
4635 |
{
|
|
|
4636 |
LOG_MSG("DMetroTrkChannel::ThreadFromId()");
|
|
|
4637 |
|
|
|
4638 |
NKern::ThreadEnterCS(); // Prevent us from dying or suspending whilst holding a DMutex
|
|
|
4639 |
DObjectCon& threads = *Kern::Containers()[EThread]; // Get containing holding threads
|
|
|
4640 |
threads.Wait(); // Obtain the container mutex so the list does get changed under us
|
|
|
4641 |
|
|
|
4642 |
DThread* thread = Kern::ThreadFromId(aId);
|
|
|
4643 |
|
|
|
4644 |
threads.Signal(); // Release the container mutex
|
|
|
4645 |
NKern::ThreadLeaveCS(); // End of critical section
|
|
|
4646 |
|
|
|
4647 |
return thread;
|
|
|
4648 |
}
|
|
|
4649 |
|
|
|
4650 |
//
|
|
|
4651 |
// DMetroTrkChannel::ProcessFromId
|
|
|
4652 |
//
|
|
|
4653 |
DProcess* DMetroTrkChannel::ProcessFromId(TUint32 aId)
|
|
|
4654 |
{
|
|
|
4655 |
LOG_MSG("DMetroTrkChannel::ProcessFromId()");
|
|
|
4656 |
|
|
|
4657 |
NKern::ThreadEnterCS(); // Prevent us from dying or suspending whilst holding a DMutex
|
|
|
4658 |
DObjectCon& processes = *Kern::Containers()[EProcess]; // Get containing holding threads
|
|
|
4659 |
processes.Wait(); // Obtain the container mutex so the list does get changed under us
|
|
|
4660 |
|
|
|
4661 |
DProcess* process = Kern::ProcessFromId(aId);
|
|
|
4662 |
|
|
|
4663 |
processes.Signal(); // Release the container mutex
|
|
|
4664 |
NKern::ThreadLeaveCS(); // End of critical section
|
|
|
4665 |
|
|
|
4666 |
return process;
|
|
|
4667 |
}
|
|
|
4668 |
|
|
|
4669 |
//
|
|
|
4670 |
// DMetroTrkChannel::GetSystemThreadRegisters
|
|
|
4671 |
//
|
|
|
4672 |
TBool DMetroTrkChannel::GetSystemThreadRegisters(TArmRegSet* aArmRegSet)
|
|
|
4673 |
{
|
|
|
4674 |
if (iExcInfoValid)
|
|
|
4675 |
{
|
|
|
4676 |
aArmRegSet->iR0 = iCurrentExcInfo.iR0;
|
|
|
4677 |
aArmRegSet->iR1 = iCurrentExcInfo.iR1;
|
|
|
4678 |
aArmRegSet->iR2 = iCurrentExcInfo.iR2;
|
|
|
4679 |
aArmRegSet->iR3 = iCurrentExcInfo.iR3;
|
|
|
4680 |
aArmRegSet->iR4 = iCurrentExcInfo.iR4;
|
|
|
4681 |
aArmRegSet->iR5 = iCurrentExcInfo.iR5;
|
|
|
4682 |
aArmRegSet->iR6 = iCurrentExcInfo.iR6;
|
|
|
4683 |
aArmRegSet->iR7 = iCurrentExcInfo.iR7;
|
|
|
4684 |
aArmRegSet->iR8 = iCurrentExcInfo.iR8;
|
|
|
4685 |
aArmRegSet->iR9 = iCurrentExcInfo.iR9;
|
|
|
4686 |
aArmRegSet->iR10 = iCurrentExcInfo.iR10;
|
|
|
4687 |
aArmRegSet->iR11 = iCurrentExcInfo.iR11;
|
|
|
4688 |
aArmRegSet->iR12 = iCurrentExcInfo.iR12;
|
|
|
4689 |
aArmRegSet->iR13 = iCurrentExcInfo.iR13;
|
|
|
4690 |
aArmRegSet->iR14 = iCurrentExcInfo.iR14;
|
|
|
4691 |
aArmRegSet->iR15 = iCurrentExcInfo.iR15;
|
|
|
4692 |
aArmRegSet->iFlags = iCurrentExcInfo.iCpsr;
|
|
|
4693 |
|
|
|
4694 |
return ETrue;
|
|
|
4695 |
}
|
|
|
4696 |
|
|
|
4697 |
return EFalse;
|
|
|
4698 |
|
|
|
4699 |
}
|
|
|
4700 |
|
|
|
4701 |
TBool DMetroTrkChannel::HasManufacturerCaps(DThread* aThread)
|
|
|
4702 |
{
|
|
|
4703 |
if (aThread && (aThread->HasCapability(ECapabilityTCB) ||
|
|
|
4704 |
aThread->HasCapability(ECapabilityDRM) ||
|
|
|
4705 |
aThread->HasCapability(ECapabilityAllFiles)))
|
|
|
4706 |
{
|
|
|
4707 |
return ETrue;
|
|
|
4708 |
}
|
|
|
4709 |
return EFalse;
|
|
|
4710 |
}
|
|
|
4711 |
|
|
|
4712 |
TBool DMetroTrkChannel::IsBeingDebugged(const DThread* aThread)
|
|
|
4713 |
{
|
|
|
4714 |
TBool isDebugging = EFalse;
|
|
|
4715 |
if (aThread)
|
|
|
4716 |
{
|
|
|
4717 |
for (TInt i = 0; i < iDebugProcessList.Count(); i++)
|
|
|
4718 |
{
|
|
|
4719 |
if (iDebugProcessList[i].iId == aThread->iOwningProcess->iId)
|
|
|
4720 |
{
|
|
|
4721 |
isDebugging = ETrue;
|
|
|
4722 |
break;
|
|
|
4723 |
}
|
|
|
4724 |
}
|
|
|
4725 |
}
|
|
|
4726 |
return isDebugging;
|
|
|
4727 |
}
|
|
|
4728 |
|
|
|
4729 |
void DMetroTrkChannel::CheckLibraryNotifyList(TUint32 aProcessId)
|
|
|
4730 |
{
|
|
|
4731 |
SDblQue* codeSegList = Kern::CodeSegList();
|
|
|
4732 |
|
|
|
4733 |
for (TInt i=0; i<iLibraryNotifyList.Count(); i++)
|
|
|
4734 |
{
|
|
|
4735 |
if (!iLibraryNotifyList[i].iEmptySlot)
|
|
|
4736 |
{
|
|
|
4737 |
//iterate through the list
|
|
|
4738 |
for (SDblQueLink* codeSegPtr = codeSegList->First(); codeSegPtr != (SDblQueLink*)(codeSegList); codeSegPtr = codeSegPtr->iNext)
|
|
|
4739 |
{
|
|
|
4740 |
DEpocCodeSeg* codeSeg = (DEpocCodeSeg*)_LOFF(codeSegPtr, DCodeSeg, iLink);
|
|
|
4741 |
if (codeSeg && codeSeg->IsDll())
|
|
|
4742 |
{
|
|
|
4743 |
SEventInfo info;
|
|
|
4744 |
if (!_strnicmp(iLibraryNotifyList[i].iName.Ptr(), codeSeg->iRootName.Ptr(), codeSeg->iRootName.Length()))
|
|
|
4745 |
{
|
|
|
4746 |
info.iFileName.Copy((codeSeg->iRootName.Ptr()));
|
|
|
4747 |
LOG_MSG2("library name match: %S", &info.iFileName);
|
|
|
4748 |
TModuleMemoryInfo memoryInfo;
|
|
|
4749 |
TInt err = codeSeg->GetMemoryInfo(memoryInfo, NULL);
|
|
|
4750 |
if (err != KErrNone)
|
|
|
4751 |
{
|
|
|
4752 |
break;
|
|
|
4753 |
}
|
|
|
4754 |
//
|
|
|
4755 |
// check the process id from the DCodeSeg instead of using aProcessId
|
|
|
4756 |
// if the iAttachProcess from DCodeSeg is null, then we should use aProcessId
|
|
|
4757 |
info.iProcessId = aProcessId;
|
|
|
4758 |
info.iEventType = SEventInfo::ELibraryLoaded;
|
|
|
4759 |
info.iCodeAddress = memoryInfo.iCodeBase;
|
|
|
4760 |
info.iDataAddress = memoryInfo.iInitialisedDataBase;
|
|
|
4761 |
info.iThreadId = 0xFFFFFFFF;
|
|
|
4762 |
LOG_MSG2("info.iCodeAddress: %x", info.iCodeAddress);
|
|
|
4763 |
LOG_MSG2("info.iDataAddress: %x", info.iDataAddress);
|
|
|
4764 |
LOG_MSG2("info.iProcessId: %d", info.iProcessId);
|
|
|
4765 |
NotifyEvent(info);
|
|
|
4766 |
|
|
|
4767 |
// now reset this entry
|
|
|
4768 |
iLibraryNotifyList[i].iEmptySlot = ETrue;
|
|
|
4769 |
break;
|
|
|
4770 |
}
|
|
|
4771 |
}
|
|
|
4772 |
}
|
|
|
4773 |
}
|
|
|
4774 |
}
|
|
|
4775 |
}
|
|
|
4776 |
|
|
|
4777 |
DECLARE_STANDARD_LDD()
|
|
|
4778 |
{
|
|
|
4779 |
return new DMetroTrkDriverFactory;
|
|
|
4780 |
}
|