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// Copyright (c) 2007-2009 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 the License "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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// Trace API
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// @internalTechnology
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// @prototype
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//
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#ifndef TRACEUTILS_H_
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#define TRACEUTILS_H_
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#include <e32btrace.h>
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namespace UTF
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{
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/**
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Maximum length of a formatted string
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*/
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const static TInt KMaxPrintfSize = 256;
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/**
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Dummy class to toss away overflow
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@internalComponent
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*/
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#ifndef __KERNEL_MODE__
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class TTruncateOverflow16 : public TDes16Overflow
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{
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public:
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virtual void Overflow(TDes&) {};
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};
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/**
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Dummy class to toss away overflow
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@internalComponent
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*/
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class TTruncateOverflow8 : public TDes8Overflow
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{
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public:
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virtual void Overflow(TDes8&) {};
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};
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#endif //__KERNEL_MODE__
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/**@internalComponent*/
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#define UTRACE_HEADER(aSize,aClassification,aContext,aPc) \
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((((aSize) + (aContext?4:0) + (aPc?4:0)) << BTrace::ESizeIndex*8) \
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+(((aContext?BTrace::EContextIdPresent:0) | (aPc?BTrace::EPcPresent:0)) << BTrace::EFlagsIndex*8) \
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+((aClassification) << BTrace::ECategoryIndex*8) \
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+((0) << BTrace::ESubCategoryIndex*8))
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/**@internalComponent*/
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#define UTRACE_SECONDARY_0(aClassification,aModuleUid,aThreadIdPresent,aPcPresent,aPc,aFormatId) \
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BTrace::OutFilteredPcFormatBig(UTRACE_HEADER(8,aClassification,aThreadIdPresent,aPcPresent),(TUint32)(aModuleUid),aPc,aFormatId,0,0)
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/** @internalComponent */
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#define UTRACE_SECONDARY_1(aClassification,aModuleUid,aThreadIdPresent,aPcPresent,aPc,aFormatId, aData1) \
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BTrace::OutFilteredPcFormatBig(UTRACE_HEADER(8,aClassification,aThreadIdPresent,aPcPresent),(TUint32)(aModuleUid),aPc,aFormatId,&aData1,4)
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/**
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* @internalComponent
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* @prototype
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*/
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#define UTRACE_SECONDARY_ANY(aClassification, aModuleUid, aThreadIdPresent, aPcPresent, aPc, aFormatId, aData, aDataSize) \
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BTrace::OutFilteredPcFormatBig(UTRACE_HEADER(8,aClassification,aThreadIdPresent,aPcPresent),(TUint32)(aModuleUid),aPc,aFormatId,aData,(TInt)(aDataSize))
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#ifdef __MARM_ARMV5__
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//armv5
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#define GET_PC(pc) \
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TUint32 pc = 0; \
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asm("mov pc, __return_address()")
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#elif __MARM_ARM4__
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//arm4 not implemented yet!
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#define GET_PC(pc) \
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TUint32 pc = 0;
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#elif __WINS__
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//wins
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#define GET_PC(pc) \
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TUint32 pc = 0; \
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_asm push edx \
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_asm mov edx, [ebp+4] \
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_asm mov [pc], edx \
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_asm pop edx
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//This is instead of doing "asm(mov pc, ebp+4)" as that gives warnings about registers being spilled.
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#elif __X86__
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//x86 not implemented yet!
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#define GET_PC(pc) \
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TUint32 pc = 0;
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/* asm("push edx"); \
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asm("mov %0, [edx+4]": "=r" (pc)); \
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asm("pop edx") */
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#else
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//other platforms
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#define GET_PC(pc) \
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TUint32 pc = 0;
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#endif
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}//namespace UTF
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#endif /*TRACEUTILS_H_*/
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