1 // Copyright (c) 2007-2009 Nokia Corporation and/or its subsidiary(-ies).

     2 // All rights reserved.

     3 // This component and the accompanying materials are made available

     4 // under the terms of the License "Eclipse Public License v1.0"

     5 // which accompanies this distribution, and is available

     6 // at the URL "http://www.eclipse.org/legal/epl-v10.html".

     7 //

     8 // Initial Contributors:

     9 // Nokia Corporation - initial contribution.

    10 //

    11 // Contributors:

    12 //

    13 // Description:

    14 // Trace API

    15 // @internalTechnology

    16 // @prototype

    17 //

    18 

    19 #ifndef TRACEUTILS_H_

    20 #define TRACEUTILS_H_

    21 #include <e32btrace.h>

    22 

    23 namespace UTF

    24 {

    25 

    26 /**

    27 Maximum length of a formatted string

    28 */

    29 const static TInt KMaxPrintfSize = 256;

    30 

    31 /**

    32 Dummy class to toss away overflow

    33 @internalComponent

    34 */

    35 #ifndef __KERNEL_MODE__

    36 class TTruncateOverflow16 : public TDes16Overflow

    37 	{

    38 	public:

    39 	virtual void Overflow(TDes&) {};

    40 	};

    41 

    42 /**

    43 Dummy class to toss away overflow

    44 @internalComponent

    45 */

    46 class TTruncateOverflow8 : public TDes8Overflow

    47 	{

    48 	public:

    49 	virtual void Overflow(TDes8&) {};

    50 	};

    51 #endif  //__KERNEL_MODE__

    52 

    53 

    54 /**@internalComponent*/

    55 #define UTRACE_HEADER(aSize,aClassification,aContext,aPc)																\

    56 	((((aSize) + (aContext?4:0) + (aPc?4:0)) << BTrace::ESizeIndex*8)										\

    57 	+(((aContext?BTrace::EContextIdPresent:0) | (aPc?BTrace::EPcPresent:0)) << BTrace::EFlagsIndex*8)			\

    58 	+((aClassification) << BTrace::ECategoryIndex*8)																				\

    59 	+((0) << BTrace::ESubCategoryIndex*8))

    60 

    61 

    62 /**@internalComponent*/

    63 #define UTRACE_SECONDARY_0(aClassification,aModuleUid,aThreadIdPresent,aPcPresent,aPc,aFormatId)	\

    64 	BTrace::OutFilteredPcFormatBig(UTRACE_HEADER(8,aClassification,aThreadIdPresent,aPcPresent),(TUint32)(aModuleUid),aPc,aFormatId,0,0)

    65 

    66 /** @internalComponent */

    67 #define UTRACE_SECONDARY_1(aClassification,aModuleUid,aThreadIdPresent,aPcPresent,aPc,aFormatId, aData1) \

    68 	BTrace::OutFilteredPcFormatBig(UTRACE_HEADER(8,aClassification,aThreadIdPresent,aPcPresent),(TUint32)(aModuleUid),aPc,aFormatId,&aData1,4)

    69 

    70 /**

    71  * @internalComponent

    72  * @prototype

    73  */

    74 #define UTRACE_SECONDARY_ANY(aClassification, aModuleUid, aThreadIdPresent, aPcPresent, aPc, aFormatId, aData, aDataSize) \

    75 	BTrace::OutFilteredPcFormatBig(UTRACE_HEADER(8,aClassification,aThreadIdPresent,aPcPresent),(TUint32)(aModuleUid),aPc,aFormatId,aData,(TInt)(aDataSize))

    76 

    77 

    78 #ifdef __MARM_ARMV5__

    79 	//armv5

    80 #define GET_PC(pc) \

    81 	TUint32 pc = 0; \

    82 	asm("mov pc, __return_address()")

    83 #elif __MARM_ARM4__

    84 	//arm4 not implemented yet!

    85 #define GET_PC(pc) \

    86 	TUint32 pc = 0;

    87 #elif __WINS__

    88 	//wins

    89 #define GET_PC(pc) \

    90 	TUint32 pc = 0; \

    91 	_asm push edx \

    92 	_asm mov edx, [ebp+4] \

    93 	_asm mov [pc], edx \

    94 	_asm pop edx

    95 	//This is instead of doing "asm(mov pc, ebp+4)" as that gives warnings about registers being spilled.

    96 #elif __X86__ 

    97 	//x86 not implemented yet!

    98 #define GET_PC(pc) \

    99 	TUint32 pc = 0;

   100 /*	asm("push edx"); \

   101 	asm("mov %0, [edx+4]": "=r" (pc)); \

   102 	asm("pop edx") */

   103 #else

   104 //other platforms

   105 #define GET_PC(pc) \

   106 	TUint32 pc = 0;

   107 #endif

   108 

   109 }//namespace UTF

   110 #endif /*TRACEUTILS_H_*/