debugsrv/runmodedebug/tsrc/rm_debug/debug_targets/t_rmdebug_app.cpp
changeset 56 aa2539c91954
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/debugsrv/runmodedebug/tsrc/rm_debug/debug_targets/t_rmdebug_app.cpp	Fri Oct 08 14:56:39 2010 +0300
@@ -0,0 +1,415 @@
+// Copyright (c) 2007-2010 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "Eclipse Public License v1.0"
+// which accompanies this distribution, and is available
+// at the URL "http://www.eclipse.org/legal/epl-v10.html".
+//
+// Initial Contributors:
+// Nokia Corporation - initial contribution.
+//
+// Contributors:
+//
+// Description:
+//
+
+#include <e32base.h>
+#include <e32base_private.h>
+#include <e32cmn.h>
+#include <e32cmn_private.h>
+#include <e32debug.h>
+#include <e32property.h> 
+#include <u32hal.h>
+#include <hal.h>
+#include <f32file.h>
+#include <e32svr.h>
+#include <e32const.h>
+
+
+#include "t_rmdebug_app.h"
+
+IMPORT_C extern void RMDebug_BranchTst2();
+
+LOCAL_C void ParseCommandLineL(TInt32& aFunctionType, TUint& aDelay, TUint& aExtraThreads, TInt32& aCpuNumber, TInt32& aThreadPriority)
+	{
+
+	// get the length of the command line arguments
+	TInt argc = User::CommandLineLength();
+	RDebug::Printf(" t_rmdebug_app: ParseCommandLineL argc=%d", argc);
+
+	// allocate a buffer for the command line arguments and extract the data to it
+	HBufC* commandLine = HBufC::NewLC(argc);
+	TPtr commandLineBuffer = commandLine->Des();
+	User::CommandLine(commandLineBuffer);
+
+	// create a lexer and read through the command line
+	TLex lex(*commandLine);
+	while (!lex.Eos())
+		{
+		// expecting the first character to be a '-'
+		if (lex.Get() == '-')
+			{
+			TChar arg = lex.Get();
+			switch (arg)
+				{
+				case 'f':
+					// the digits following '-f' give the function type
+					User::LeaveIfError(lex.Val(aFunctionType));
+					RDebug::Printf(" t_rmdebug_app: setting aFunctionType=%d", aFunctionType);
+					break;
+				case 'd':
+					// the digits following '-d' give the delay
+					User::LeaveIfError(lex.Val(aDelay));
+					RDebug::Printf(" t_rmdebug_app: setting aDelay=%d", aDelay);
+					break;
+				case 'e':
+					// the digits following '-e' give the number of extra threads to launch
+					User::LeaveIfError(lex.Val(aExtraThreads));
+					RDebug::Printf(" t_rmdebug_app: setting aExtraThreads=%d", aExtraThreads);
+					break;
+
+				case 'p':
+					// the digits following '-p' gives the value to set for the main thread priority
+					User::LeaveIfError(lex.Val(aThreadPriority));
+					RDebug::Printf(" t_rmdebug_app: aThreadPriority =%d", aThreadPriority);
+					break;
+
+				case 'a':
+					// the digits following '-a' gives the cpu on which this thread will execute on
+					User::LeaveIfError(lex.Val(aCpuNumber));
+					RDebug::Printf(" t_rmdebug_app: CPU Number =%d", aCpuNumber );
+					break;
+
+				default:
+					// unknown argument so leave
+					User::Leave(KErrArgument);
+				}
+			lex.SkipSpace();
+			}
+		else
+			{
+			// unknown argument so leave
+			User::Leave(KErrArgument);
+			}
+		}
+
+	// do clean up
+	CleanupStack::PopAndDestroy(commandLine);
+	}
+
+typedef void (*TPfun)();
+
+// test function to call corresponding to EPrefetchAbortFunction
+void PrefetchAbort()
+	{
+	TPfun f = NULL;
+	f();
+	}
+
+// test function to call corresponding to EUserPanicFunction
+void UserPanic()
+	{
+	User::Panic(KUserPanic, KUserPanicCode);
+	}
+
+// calls self repeatedly until stack is used up. Slightly convoluted to prevent UREL optimising this out...
+TUint32 StackOverFlowFunction(TUint32 aInt=0)
+	{
+	TUint32 unusedArray[150];
+	for(TInt i=0; i<150; i++)
+		{
+		unusedArray[i] = StackOverFlowFunction(i);
+		}
+	return unusedArray[0];
+	}
+
+void DataAbort()
+	{
+	TInt* r = (TInt*) 0x1000;
+	*r = 0x42;              
+	}
+
+void UndefInstruction()
+	{
+	TUint32 undef = 0xE6000010;
+	TPfun f = (TPfun) &undef;
+	f();
+	}
+
+TInt DataRead()
+	{
+	TInt* r = (TInt*) 0x1000;
+	TInt rr = (TInt)*r;
+	//include the following line to ensure that rr doesn't get optimised out
+	RDebug::Printf("Shouldn't see this being printed out: %d", rr);
+
+	// Stop compilation warning. Should not get here anyway.
+	rr++;
+	return rr;
+	}
+
+void DataWrite()
+	{
+	TInt* r = (TInt*) 0x1000;
+	*r = 0x42;                
+	}
+
+void UserException()
+	{
+	User::RaiseException(EExcGeneral);
+	}
+
+void SpinForeverWithBreakPoint()
+	{
+
+    // finding the process t_rmdebug2/t_rmdebug2_oem/t_rmdebug2_oem2
+    // we find the process.SID to attach to the property
+	_LIT(KThreadWildCard, "t_rmdebug2*");
+
+	TInt err = KErrNone;
+	TUid propertySid = KNullUid;
+	TFindThread find(KThreadWildCard);
+	TFullName name;
+	TBool found = EFalse;
+	while(find.Next(name)==KErrNone && !found)
+		{
+		RThread thread;
+		err = thread.Open(find);
+		if (err == KErrNone)
+			{
+			RProcess process;
+			thread.Process(process);
+			TFullName fullname = thread.FullName();
+		    //RDebug::Printf("SID Search Match Found Name %lS Process ID%ld Thread Id %ld", &fullname, process.Id().Id(), thread.Id().Id());
+			found = ETrue;
+			//SID saved so that the property can be attached to
+			propertySid = process.SecureId();
+			process.Close();
+			}
+		thread.Close();
+	}
+
+    // publish the address of the RMDebug_BranchTst2 with the correct SID value
+	TInt address = (TInt)&RMDebug_BranchTst2;
+	err = RProperty::Set(propertySid, EMyPropertyInteger, address);
+	if(KErrNone != err)
+		RDebug::Printf("Error Set of the property %d", err);
+	
+	//open semaphore to signal the fact we have reached the point where we have to set the property
+	RSemaphore globsem;
+	globsem.OpenGlobal(_L("RMDebugGlobSem"));
+	globsem.Signal();
+	globsem.Close();
+
+	RProcess thisProcess;
+	TFileName thisProcessName = thisProcess.FileName();
+	RDebug::Print(_L("App Process Name %S process id %ld thread id %ld"), &thisProcessName, thisProcess.Id().Id(), RThread().Id().Id());
+
+	TInt i=0;
+	RThread::Rendezvous(KErrNone);
+	while(i<0xffffffff)
+		{
+		RMDebug_BranchTst2();
+		User::After(10000);
+		}
+	}
+
+void SpinForever()
+	{
+	TInt i=0;
+	RThread::Rendezvous(KErrNone);
+	while(i<0xffffffff)
+		{
+		User::After(10000);
+		}
+	}
+
+void NormalExit()
+    {
+    RDebug::Printf("Target app: NormalExit() function. Returning to MainL" );
+    }
+
+void LaunchThreads(TUint aNumber)
+	{
+	_LIT(KDebugThreadName, "DebugThread");
+	const TUint KDebugThreadDefaultHeapSize=0x10000;
+	for(TInt i=0; i<aNumber; i++)
+		{
+		RThread thread;
+		RBuf threadName;
+		threadName.Create(KDebugThreadName().Length()+10); // the 10 is for appending i to the end of the name
+		threadName.Append(KDebugThreadName());
+		threadName.AppendNum(i);
+		TInt err = thread.Create(threadName, (TThreadFunction)SpinForever, KDefaultStackSize, KDebugThreadDefaultHeapSize, KDebugThreadDefaultHeapSize, NULL);
+		if(err != KErrNone)
+			{
+			RDebug::Printf("Couldn't create thread %d", err);
+			threadName.Close();
+			thread.Close();
+			break;
+			}
+		thread.SetPriority(EPriorityNormal);
+		TRequestStatus status;
+		thread.Rendezvous(status);
+		thread.Resume();
+		User::WaitForRequest(status);
+		thread.Close();
+		threadName.Close();
+		}
+	}
+
+void WaitFiveSecondsThenExit(void)
+	{
+	// wait for 5 seconds
+	User::After(5000000);
+	}
+
+TInt NumberOfCpus()
+	{
+	TInt r = UserSvr::HalFunction(EHalGroupKernel, EKernelHalNumLogicalCpus, 0, 0);
+	return r;
+	}
+
+TInt SetCpuAffinity(TInt aCpuNumber)
+	{
+    TInt TestCpuCount = NumberOfCpus();
+	RDebug::Printf("SetCpuAffinity --> TestCpuCount = %d\n", TestCpuCount);		
+	TUint32 cpu = 0;
+
+	if ((aCpuNumber % TestCpuCount) != 0)
+	cpu = (TUint32)(aCpuNumber % TestCpuCount);
+
+	RDebug::Printf("SetCpuAffinity --> Setting cpu %3d\n", cpu);
+	TInt r = UserSvr::HalFunction(EHalGroupKernel, EKernelHalLockThreadToCpu, (TAny *)cpu, 0);
+	return r;
+	}
+
+void SetCurrentThreadPriority(TInt aThreadPriority)
+    {
+     RDebug::Printf("SetCurrentThreadPriority  aThreadPriority =%d\n", aThreadPriority);
+     RThread().SetPriority((TThreadPriority) aThreadPriority);
+     RDebug::Printf("SetCurrentThreadPriority Crashapp RThread Priority() = %d", (TInt) RThread().Priority()) ;
+    }
+
+TInt GetTimeInMs()
+{
+    TInt period = 0;
+    User::LeaveIfError(HAL::Get(HALData::ENanoTickPeriod, period));
+    TInt periodInMs = period / 1000;
+    return User::NTickCount() * periodInMs;
+}
+
+void SetNanoTickTime()
+    {
+    TUid t_performance_test_Sid;
+    t_performance_test_Sid.iUid = 0x102831E5;
+    RProperty::Set(t_performance_test_Sid, EPropertyTimeOfCrash, GetTimeInMs());    
+    }
+
+// call the function corresponding to aFunctionType
+LOCAL_C void CallFunction(TDebugFunctionType aFunctionType, TUint aDelay, TUint aExtraThreads, TInt32 aCpuNumber, TUint aThreadPriority )
+	{
+
+	// pause for aDelay microseconds
+	User::After(aDelay);
+
+	// set cpu on which this thread should execute on
+	if ( aCpuNumber )
+		SetCpuAffinity(aCpuNumber);
+	
+	if ( aThreadPriority )
+	    SetCurrentThreadPriority(aThreadPriority);
+
+	// launch the extra threads
+	LaunchThreads(aExtraThreads);
+	
+	// Publish Nano tick count time for RMDBG performance testing
+	SetNanoTickTime();
+	    
+	// call appropriate function
+	switch( aFunctionType )
+		{
+		case EPrefetchAbortFunction:
+			PrefetchAbort();
+			break;
+		case EUserPanicFunction:
+			UserPanic();
+			break;
+		case EStackOverflowFunction:
+			StackOverFlowFunction();
+			break;
+		case EDataAbortFunction:
+			DataAbort();
+			break;
+		case EUndefInstructionFunction:
+			UndefInstruction();
+			break;
+		case EDataReadErrorFunction:
+			DataRead();
+			break;
+		case EDataWriteErrorFunction:
+			DataWrite();
+			break;
+		case EUserExceptionFunction:
+			UserException();
+			break;
+		case EWaitFiveSecondsThenExit:
+			WaitFiveSecondsThenExit();
+			break;
+		case ESpinForever:
+			SpinForever();
+			break;
+		case ESpinForeverWithBreakPoint:
+			SpinForeverWithBreakPoint();
+			break;
+        case ENormalExit:
+            NormalExit();
+            break;			
+		case EDefaultDebugFunction:
+		default:
+			break;
+		}
+	}
+
+void PrintHelp()
+	{
+	RDebug::Printf("Invoke with arguments:\n");
+	RDebug::Printf("\t-d<delay>\n\t: delay in microseconds before calling target function\n");
+	RDebug::Printf("\t-f<function-number>\n\t: enumerator from TDebugFunctionType representing function to call\n");
+	RDebug::Printf("\t-e<number>\n\t: number of extra threads to launch, these threads run endlessly\n");
+	}
+
+TInt E32Main()
+	{
+    
+    RDebug::Printf("<<<<< E32Main() RThread Priority() = %d, RProcess Priority() = %d", (TInt) RThread().Priority(), (TInt) RProcess().Priority()) ;   
+	RDebug::Printf("t_rmdebug_app tid=%d,pid=%d", I64LOW(RThread().Id().Id()), I64LOW(RProcess().Id().Id()) ) ;
+	// setup heap checking and clean up trap
+	__UHEAP_MARK;
+	CTrapCleanup* cleanup=CTrapCleanup::New();
+	RThread().SetPriority(EPriorityNormal);
+	RProcess::Rendezvous(KErrNone);
+	
+	// read arguments from command line
+	TUint delay = 0;
+	TInt32 functionTypeAsTInt32 = (TInt32)EDefaultDebugFunction;
+	TUint extraThreads = 0;
+	TInt32 aCpuNumber = 0;
+	TInt32 aThreadPriority = 0;
+
+	TRAPD(err, ParseCommandLineL(functionTypeAsTInt32, delay, extraThreads, aCpuNumber, aThreadPriority));
+
+	RDebug::Printf("E32Main :: aThreadPriority=%d", aThreadPriority ) ;
+	
+	if(KErrNone == err)
+		{
+		// if the command line arguments were successfully read then call the appropriate function
+		CallFunction((TDebugFunctionType)functionTypeAsTInt32, delay, extraThreads, aCpuNumber, aThreadPriority);
+		}
+
+	// perform clean up and return any error which was recorded
+	delete cleanup;
+	__UHEAP_MARKEND;
+	return err;
+	}
+