--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/debugsrv/runmodedebug/rmdriver/src/rm_debug_eventhandler.cpp Thu Sep 02 22:05:40 2010 +0300
@@ -0,0 +1,177 @@
+// Copyright (c) 2004-2010 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of the License "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+// Kernel Event handler for Run Mode Debug.
+//
+
+#include <e32def.h>
+#include <e32def_private.h>
+#include <e32cmn.h>
+#include <e32cmn_private.h>
+#include <kernel/arm/arm.h>
+#include <kernel/kernel.h>
+#include <kernel/kern_priv.h>
+#include <nk_trace.h>
+
+#include <rm_debug_api.h>
+#include "debug_logging.h"
+#include "d_process_tracker.h"
+#include "d_rmd_stepping.h"
+#include "rm_debug_kerneldriver.h"
+#include "rm_debug_driver.h"
+#include "rm_debug_eventhandler.h"
+
+
+DRM_DebugEventHandler::DRM_DebugEventHandler()
+ : DKernelEventHandler(EventHandler, this)
+{
+ LOG_MSG("DRM_DebugEventHandler::DRM_DebugEventHandler()");
+
+ for(TInt i=0; i<EEventLimit; i++)
+ {
+ iEventHandlers[i] = &DRM_DebugChannel::HandleUnsupportedEvent;
+ }
+ iEventHandlers[EEventUserTrace] = &DRM_DebugChannel::HandleUserTrace;
+ iEventHandlers[EEventRemoveLibrary] = &DRM_DebugChannel::RemoveLibrary;
+ iEventHandlers[EEventAddLibrary] = &DRM_DebugChannel::AddLibrary;
+ iEventHandlers[EEventStartThread] = &DRM_DebugChannel::StartThread;
+ iEventHandlers[EEventSwExc] = &DRM_DebugChannel::HandleSwException;
+ iEventHandlers[EEventHwExc] = &DRM_DebugChannel::HandleHwException;
+ iEventHandlers[EEventKillThread] = &DRM_DebugChannel::HandleEventKillThread;
+ iEventHandlers[EEventAddProcess] = &DRM_DebugChannel::HandleAddProcessEvent;
+ iEventHandlers[EEventRemoveProcess] = &DRM_DebugChannel::HandleRemoveProcessEvent;
+}
+
+TInt DRM_DebugEventHandler::Create(DLogicalDevice* aDevice, DLogicalChannel* aChannel, DThread* aClient)
+{
+ LOG_MSG3("DRM_DebugEventHandler::Create(), aClientthread=0x%08x id=%d", aClient, aClient->iId);
+
+ TInt err;
+ err = aDevice->Open();
+ if (err != KErrNone)
+ return err;
+ iDevice = aDevice;
+
+ iChannel = (DRM_DebugChannel*)aChannel; //Don't add ref the channel, since channel closes the event handler before it ever gets destroyed.
+
+ err = aClient->Open();
+ if (err != KErrNone)
+ return err;
+ iClientThread = aClient;
+
+ // Use a semaphore to protect our data structures from concurrent access.
+ err = Kern::SemaphoreCreate(iProtectionLock, _L("RM_DebugEventHandlerLock"), 1 /* Initial count */);
+ if (err != KErrNone)
+ return err;
+
+
+ return Add();
+}
+
+
+DRM_DebugEventHandler::~DRM_DebugEventHandler()
+{
+ LOG_MSG("DRM_DebugEventHandler::~DRM_DebugEventHandler()");
+
+ if (iProtectionLock)
+ iProtectionLock->Close(NULL);
+
+ if (iDevice)
+ iDevice->Close(NULL);
+
+ if (iClientThread)
+ Kern::SafeClose((DObject*&)iClientThread, NULL);
+
+}
+
+
+TInt DRM_DebugEventHandler::Start()
+{
+ LOG_MSG("DRM_DebugEventHandler::Start()");
+
+ iTracking = ETrue;
+
+ return KErrNone;
+}
+
+
+TInt DRM_DebugEventHandler::Stop()
+{
+ LOG_MSG("DRM_DebugEventHandler::Stop()");
+
+ iTracking = EFalse;
+
+ return KErrNone;
+}
+
+
+TUint DRM_DebugEventHandler::EventHandler(TKernelEvent aType, TAny* a1, TAny* a2, TAny* aThis)
+{
+ return ((DRM_DebugEventHandler*)aThis)->HandleEvent(aType, a1, a2);
+}
+
+
+
+TUint DRM_DebugEventHandler::HandleEvent(TKernelEvent aType, TAny* a1, TAny* a2)
+ {
+
+ /*
+ * Check if we are tracking things at all OR
+ * this event is beyond the limit of known events OR
+ * this event is from the debug thread itself (don't want to debug ourselves) OR
+ * this event has a handler (there is no point in proceeding without a handler)
+ */
+ if( (!iTracking) ||
+ (aType > (TUint32)EEventLimit) ||
+ (iClientThread == &Kern::CurrentThread()) ||
+ (iEventHandlers[aType] == &DRM_DebugChannel::HandleUnsupportedEvent) )
+ {
+ return ERunNext;
+ }
+
+ return HandleSpecificEvent(aType,a1,a2) && aType == EEventHwExc ? EExcHandled : ERunNext;
+
+
+ }
+
+TBool DRM_DebugEventHandler::HandleSpecificEvent(TKernelEvent aType, TAny* a1, TAny* a2)
+ {
+ TBool ret = EFalse;
+
+ NKern::ThreadEnterCS();
+ LockDataAccess();
+
+
+ if (iChannel)
+ {
+ ret = (iChannel->*(iEventHandlers[aType]))(a1, a2);
+ }
+ ReleaseDataAccess();
+ NKern::ThreadLeaveCS();
+
+ switch(aType)
+ {
+ case EEventHwExc:
+ case EEventKillThread:
+ {
+ LOG_MSG2("DRM_DebugEventHandler::HandleEvent() -> FSWait(), kernel event type: %d", (TUint32)aType);
+ TheDProcessTracker.FSWait();
+ LOG_MSG("DRM_DebugEventHandler::HandleEvent() <- FSWait()");
+ break;
+ }
+ default:
+ break;
+ }
+ return ret;
+ }
+