tracesrv/tracecompiler/src/com.nokia.tracecompiler/src/com/nokia/tracecompiler/engine/header/HeaderTemplate.java
changeset 56 aa2539c91954
child 62 1c2bb2fc7c87
equal deleted inserted replaced
54:a151135b0cf9 56:aa2539c91954
       
     1 /*
       
     2 * Copyright (c) 2010 Nokia Corporation and/or its subsidiary(-ies). 
       
     3 * All rights reserved.
       
     4 * This component and the accompanying materials are made available
       
     5 * under the terms of "Eclipse Public License v1.0"
       
     6 * which accompanies this distribution, and is available
       
     7 * at the URL "http://www.eclipse.org/legal/epl-v10.html".
       
     8 *
       
     9 * Initial Contributors:
       
    10 * Nokia Corporation - initial contribution.
       
    11 *
       
    12 * Contributors:
       
    13 *
       
    14 * Description:
       
    15 *
       
    16 * Header file template definition
       
    17 *
       
    18 */
       
    19 package com.nokia.tracecompiler.engine.header;
       
    20 
       
    21 import com.nokia.tracecompiler.engine.header.TraceHeaderWriter.HeaderTemplateElementType;
       
    22 import com.nokia.tracecompiler.plugin.TraceAPIFormatter.TraceFormatType;
       
    23 import com.nokia.tracecompiler.plugin.TraceHeaderContribution.TraceHeaderContributionType;
       
    24 import com.nokia.tracecompiler.source.SymbianConstants;
       
    25 
       
    26 /**
       
    27  * Header file template definition
       
    28  * 
       
    29  */
       
    30 interface HeaderTemplate {
       
    31 	
       
    32 	/**
       
    33 	 * Tag written to trace header
       
    34 	 */
       
    35 	String HEADER_COMMENT_CREATED_BY = "// Created by TraceCompiler"; //$NON-NLS-1$
       
    36 	
       
    37 	/**
       
    38 	 * Empty template
       
    39 	 */
       
    40 	Object[] EMPTY_TEMPLATE = {};
       
    41 
       
    42 	/**
       
    43 	 * Sets line count to 1
       
    44 	 */
       
    45 	Object SET_LINES_PACKED = new SetNewLineCount(1);
       
    46 
       
    47 	/**
       
    48 	 * Sets line count to 2
       
    49 	 */
       
    50 	Object SET_LINES_MIDDLE = new SetNewLineCount(2); // CodForChk_Dis_Magic
       
    51 
       
    52 	/**
       
    53 	 * Sets line count to 3
       
    54 	 */
       
    55 	Object SET_LINES_LOOSE = new SetNewLineCount(3); // CodForChk_Dis_Magic
       
    56 
       
    57 	/**
       
    58 	 * Template for empty trace macros
       
    59 	 */
       
    60 	Object[] EMPTY_TRACE_FUNCTION_EXISTS_TEMPLATE = {
       
    61 			HeaderTemplateElementType.NEW_LINE, "#define ", //$NON-NLS-1$
       
    62 			HeaderTemplateElementType.FORMATTED_TRACE };
       
    63 
       
    64 	/**
       
    65 	 * Empty trace macro template switch. This formats the trace using
       
    66 	 * TraceFormatType.EmptyPreprocessorDefinition and checks if the definition
       
    67 	 * has already been written using CheckIsTraceFormatDuplicate switch
       
    68 	 */
       
    69 	Object[] EMPTY_TRACE_FUNCTION_TEMPLATE = {
       
    70 			TraceFormatType.EMPTY_MACRO,
       
    71 			new TemplateChoice(CheckIsTraceFormatDuplicate.class,
       
    72 					EMPTY_TEMPLATE, EMPTY_TRACE_FUNCTION_EXISTS_TEMPLATE), };
       
    73 
       
    74 	/**
       
    75 	 * Template for trace activation check
       
    76 	 */
       
    77 	Object[] TRACE_FUNCTION_ACTIVATION_CHECK = {
       
    78 			"TBool retval = ", //$NON-NLS-1$
       
    79 			TraceFormatType.TRACE_ACTIVATION,
       
    80 			// Checks if the TraceActivation format exists
       
    81 			new TemplateChoice(CheckFormattedTraceExists.class, new Object[] {
       
    82 					HeaderTemplateElementType.FORMATTED_TRACE, ";", //$NON-NLS-1$
       
    83 					HeaderTemplateElementType.NEW_LINE, "if ( retval )", //$NON-NLS-1$
       
    84 					HeaderTemplateElementType.OPEN_BRACE }, new Object[] {
       
    85 					"EFalse;", HeaderTemplateElementType.NEW_LINE }), //$NON-NLS-1$
       
    86 	};
       
    87 
       
    88 	/**
       
    89 	 * Template if no activation check is needed
       
    90 	 */
       
    91 	Object[] TRACE_FUNCTION_NO_ACTIVATION_CHECK = { "TBool retval;", //$NON-NLS-1$
       
    92 			HeaderTemplateElementType.NEW_LINE };
       
    93 
       
    94 	/**
       
    95 	 * Template for trace functions
       
    96 	 */
       
    97 	Object[] TRACE_FUNCTION_EXISTS_TEMPLATE = {
       
    98 			SET_LINES_PACKED,
       
    99 			HeaderTemplateElementType.BUILD_TRACE_BUFFER_CHECK,
       
   100 			// If the trace contains TDesC16 parameter, __KERNEL_MODE__ flag is
       
   101 			// added to it
       
   102 			new TemplateChoice(CheckIsKernelModeFlagNeeded.class, new Object[] {
       
   103 					"#ifndef __KERNEL_MODE__", //$NON-NLS-1$
       
   104 					HeaderTemplateElementType.NEW_LINE }, EMPTY_TEMPLATE),
       
   105 			"inline TBool ", //$NON-NLS-1$
       
   106 			HeaderTemplateElementType.FORMATTED_TRACE,
       
   107 			HeaderTemplateElementType.OPEN_BRACE,
       
   108 			// If the trace is buffered activation check is written
       
   109 			new TemplateChoice(CheckIsTraceBufferBuilt.class,
       
   110 					TRACE_FUNCTION_ACTIVATION_CHECK,
       
   111 					TRACE_FUNCTION_NO_ACTIVATION_CHECK),
       
   112 			HeaderTemplateElementType.TRACE_FUNCTION_BODY, // Parameters + API
       
   113 			HeaderTemplateElementType.CLOSE_EXTRA_BRACES,
       
   114 			"return retval;", //$NON-NLS-1$
       
   115 			HeaderTemplateElementType.NEW_LINE,
       
   116 			HeaderTemplateElementType.CLOSE_BRACE,
       
   117 			// The __KERNEL_MODE__ #ifdef added above needs to be closed
       
   118 			new TemplateChoice(
       
   119 					CheckIsKernelModeEndifNeeded.class,
       
   120 					new Object[] { "#endif", HeaderTemplateElementType.NEW_LINE }, //$NON-NLS-1$
       
   121 					EMPTY_TEMPLATE), SET_LINES_LOOSE,
       
   122 			HeaderTemplateElementType.NEW_LINE };
       
   123 
       
   124 	/**
       
   125 	 * Trace function template switch. This formats the trace using
       
   126 	 * TraceFormatType.Header and checks if the definition has already been
       
   127 	 * written using TRACE_FORMAT_EXISTS_TEMPLATE_INDEX switch
       
   128 	 */
       
   129 	Object[] TRACE_FUNCTION_TEMPLATE = {
       
   130 			TraceFormatType.HEADER,
       
   131 			new TemplateChoice(CheckIsTraceFormatDuplicate.class,
       
   132 					EMPTY_TEMPLATE, TRACE_FUNCTION_EXISTS_TEMPLATE) };
       
   133 
       
   134 	/**
       
   135 	 * Template for trace ID's
       
   136 	 */
       
   137 	Object[] TRACE_ID_TEMPLATE = {
       
   138 			"#define ", //$NON-NLS-1$
       
   139 			HeaderTemplateElementType.TRACE_NAME,
       
   140 			" 0x", //$NON-NLS-1$
       
   141 			HeaderTemplateElementType.TRACE_ID_HEX,
       
   142 			HeaderTemplateElementType.NEW_LINE };
       
   143 
       
   144 	/**
       
   145 	 * Main header template
       
   146 	 */
       
   147 	Object[] HEADER_TEMPLATE = {
       
   148 			SET_LINES_PACKED,
       
   149 			HeaderTemplateElementType.LICENCE_TEXT,
       
   150 			HeaderTemplateElementType.NEW_LINE,
       
   151 			HEADER_COMMENT_CREATED_BY, " ", //$NON-NLS-1$
       
   152 			HeaderTemplateElementType.TRACE_COMPILER_VERSION,
       
   153 			HeaderTemplateElementType.NEW_LINE,
       
   154 			"// DO NOT EDIT, CHANGES WILL BE LOST", //$NON-NLS-1$
       
   155 			SET_LINES_MIDDLE,
       
   156 			HeaderTemplateElementType.NEW_LINE,
       
   157 			HeaderTemplateElementType.HEADER_GUARD,
       
   158 			HeaderTemplateElementType.NEW_LINE,
       
   159 			SET_LINES_PACKED,
       
   160 			TraceHeaderContributionType.GLOBAL_DEFINES,
       
   161 			SET_LINES_MIDDLE,
       
   162 			HeaderTemplateElementType.NEW_LINE,
       
   163 			SET_LINES_PACKED,
       
   164 			TraceHeaderContributionType.GLOBAL_INCLUDES,
       
   165 			SET_LINES_MIDDLE,
       
   166 			HeaderTemplateElementType.NEW_LINE,
       
   167 			SET_LINES_PACKED,
       
   168 			new TemplateIterator(IteratorTraces.class, TRACE_ID_TEMPLATE),
       
   169 			SET_LINES_LOOSE,
       
   170 			HeaderTemplateElementType.NEW_LINE,
       
   171 			// Trace functions
       
   172 			new TemplateIterator(IteratorComplexTraces.class,
       
   173 					TRACE_FUNCTION_TEMPLATE),
       
   174 			// End of header guard
       
   175 			SET_LINES_MIDDLE, "#endif", HeaderTemplateElementType.NEW_LINE, //$NON-NLS-1$
       
   176 			HeaderTemplateElementType.NEW_LINE, "// End of file", //$NON-NLS-1$
       
   177 			HeaderTemplateElementType.NEW_LINE };
       
   178 
       
   179 	/**
       
   180 	 * Template for parameter with fixed size
       
   181 	 */
       
   182 	Object[] FIXED_PARAMETER_TEMPLATE = { "*( ( ", //$NON-NLS-1$
       
   183 			HeaderTemplateElementType.PARAMETER_TYPE, "* )ptr ) = ", //$NON-NLS-1$
       
   184 			HeaderTemplateElementType.PARAMETER_NAME, ";", //$NON-NLS-1$
       
   185 			HeaderTemplateElementType.NEW_LINE, "ptr += sizeof ( ", //$NON-NLS-1$
       
   186 			HeaderTemplateElementType.PARAMETER_TYPE, " );", //$NON-NLS-1$
       
   187 			HeaderTemplateElementType.NEW_LINE };
       
   188 
       
   189 	/**
       
   190 	 * Template for parameter with fixed size and length check
       
   191 	 */
       
   192 	Object[] FIXED_PARAMETER_TEMPLATE_WITH_LENGTH_CHECK = {
       
   193 			"// Check that there are enough space to next parameter", //$NON-NLS-1$
       
   194 			HeaderTemplateElementType.NEW_LINE,
       
   195 			"if ((length + sizeof ( ", //$NON-NLS-1$
       
   196 			HeaderTemplateElementType.PARAMETER_TYPE,
       
   197 			" )) <= KOstMaxDataLength)", //$NON-NLS-1$
       
   198 			HeaderTemplateElementType.OPEN_BRACE,
       
   199 			FIXED_PARAMETER_TEMPLATE,
       
   200 			"length += sizeof ( ", //$NON-NLS-1$
       
   201 			HeaderTemplateElementType.PARAMETER_TYPE,
       
   202 			" );", //$NON-NLS-1$
       
   203 			HeaderTemplateElementType.NEW_LINE,
       
   204 			HeaderTemplateElementType.CLOSE_BRACE};	
       
   205 	
       
   206 	/**
       
   207 	 * Template for writing 32-bit alignment for parameters
       
   208 	 */
       
   209 	Object[] DYNAMIC_PARAMETER_ALIGNMENT_TEMPLATE = {
       
   210 			"// Fillers are written to get 32-bit alignment", //$NON-NLS-1$
       
   211 			HeaderTemplateElementType.NEW_LINE,
       
   212 			"while ( length", //$NON-NLS-1$
       
   213 			HeaderTemplateElementType.PARAMETER_INDEX,
       
   214 			"++ < lengthAligned", //$NON-NLS-1$
       
   215 			HeaderTemplateElementType.PARAMETER_INDEX,
       
   216 			" )", //$NON-NLS-1$
       
   217 			HeaderTemplateElementType.OPEN_BRACE,
       
   218 			"*ptr++ = 0;", //$NON-NLS-1$
       
   219 			HeaderTemplateElementType.NEW_LINE,
       
   220 			HeaderTemplateElementType.CLOSE_BRACE };
       
   221 
       
   222 	/**
       
   223 	 * Template for parameter with dynamic size
       
   224 	 */
       
   225 	Object[] DYNAMIC_PARAMETER_TEMPLATE = {
       
   226 			"if (length", //$NON-NLS-1$
       
   227 			HeaderTemplateElementType.PARAMETER_INDEX,
       
   228 			" > 0)", //$NON-NLS-1$
       
   229 			HeaderTemplateElementType.OPEN_BRACE,
       
   230 			"// Number of elements is written before data", //$NON-NLS-1$
       
   231 			HeaderTemplateElementType.NEW_LINE,
       
   232 			"// In case of Unicode string, number of elements is half of length", //$NON-NLS-1$
       
   233 			HeaderTemplateElementType.NEW_LINE,
       
   234 			"*( ( TUint32* )ptr ) = length", //$NON-NLS-1$
       
   235 			HeaderTemplateElementType.PARAMETER_INDEX,
       
   236 			" / (", //$NON-NLS-1$
       
   237 			HeaderTemplateElementType.PARAMETER_NAME,
       
   238 			".Size() / ", //$NON-NLS-1$
       
   239 			HeaderTemplateElementType.PARAMETER_NAME,
       
   240 			".Length());", //$NON-NLS-1$
       
   241 			HeaderTemplateElementType.NEW_LINE,
       
   242 			"ptr += sizeof ( TUint32 );", //$NON-NLS-1$
       
   243 			HeaderTemplateElementType.NEW_LINE,
       
   244 			"memcpy( ptr, ", //$NON-NLS-1$
       
   245 			HeaderTemplateElementType.PARAMETER_NAME,
       
   246 			".Ptr(), length", //$NON-NLS-1$
       
   247 			HeaderTemplateElementType.PARAMETER_INDEX,
       
   248 			" );", //$NON-NLS-1$
       
   249 			HeaderTemplateElementType.NEW_LINE,
       
   250 			"ptr += length", //$NON-NLS-1$
       
   251 			HeaderTemplateElementType.PARAMETER_INDEX,
       
   252 			";", //$NON-NLS-1$
       
   253 			HeaderTemplateElementType.NEW_LINE,
       
   254 			new TemplateChoice(CheckParameterNeedsAlignment.class,
       
   255 					DYNAMIC_PARAMETER_ALIGNMENT_TEMPLATE, EMPTY_TEMPLATE),
       
   256 			HeaderTemplateElementType.NEW_LINE,
       
   257 			"length += sizeof ( TUint32 ) + lengthAligned", //$NON-NLS-1$
       
   258 			HeaderTemplateElementType.PARAMETER_INDEX,
       
   259 			";", //$NON-NLS-1$
       
   260 			HeaderTemplateElementType.NEW_LINE,			
       
   261 			HeaderTemplateElementType.CLOSE_BRACE,
       
   262 			"else if (length + sizeof ( TUint32 ) <= KOstMaxDataLength)",  //$NON-NLS-1$
       
   263 			HeaderTemplateElementType.OPEN_BRACE,
       
   264 			HeaderTemplateElementType.NEW_LINE,
       
   265 			"*( ( TUint32* )ptr ) = 0;",  //$NON-NLS-1$
       
   266 			HeaderTemplateElementType.NEW_LINE,
       
   267 			"ptr += sizeof ( TUint32 );",  //$NON-NLS-1$
       
   268 			HeaderTemplateElementType.NEW_LINE,
       
   269 			"length += sizeof ( TUint32 );",  //$NON-NLS-1$
       
   270 			HeaderTemplateElementType.NEW_LINE,
       
   271 			HeaderTemplateElementType.CLOSE_BRACE};
       
   272 
       
   273 	/**
       
   274 	 * Template to allocate the buffer for parameters if buffer size is fixed
       
   275 	 */
       
   276 	Object[] FIXED_BUFFER_ALLOCATION_TEMPLATE = { "TUint8 data[ ", //$NON-NLS-1$
       
   277 			HeaderTemplateElementType.FIXED_BUFFER_SIZE, " ];", //$NON-NLS-1$
       
   278 			HeaderTemplateElementType.NEW_LINE, "TUint8* ptr = data;", //$NON-NLS-1$
       
   279 			HeaderTemplateElementType.NEW_LINE};
       
   280 
       
   281 	/**
       
   282 	 * Template to allocate the buffer for parameters if buffer size is dynamic
       
   283 	 */
       
   284 	Object[] DYNAMIC_BUFFER_ALLOCATION_TEMPLATE = {
       
   285 			// KOstMaxDataLength is defined in opensystemtrace.h
       
   286 			"TUint8 data[ KOstMaxDataLength ];", //$NON-NLS-1$
       
   287 			HeaderTemplateElementType.NEW_LINE, "TUint8* ptr = data;", //$NON-NLS-1$
       
   288 			HeaderTemplateElementType.NEW_LINE, "// Set length to zero and calculate it againg", //$NON-NLS-1$
       
   289 			HeaderTemplateElementType.NEW_LINE, "// when adding parameters", //$NON-NLS-1$
       
   290 			HeaderTemplateElementType.NEW_LINE, "length = 0;", //$NON-NLS-1$
       
   291 			HeaderTemplateElementType.NEW_LINE };
       
   292 
       
   293 	/**
       
   294 	 * Template to allocate buffer for trace data
       
   295 	 */
       
   296 	Object[] BUFFER_ALLOCATION_TEMPLATE = { new TemplateChoice(
       
   297 			CheckIsBufferSizeDynamic.class, DYNAMIC_BUFFER_ALLOCATION_TEMPLATE,
       
   298 			FIXED_BUFFER_ALLOCATION_TEMPLATE) };
       
   299 
       
   300 	/**
       
   301 	 * Template to length variable definition
       
   302 	 */
       
   303 	Object[] LENGTH_VARIABLE_DEFINITION_TEMPLATE = {	
       
   304 			"TInt length = 0;", //$NON-NLS-1$
       
   305 			HeaderTemplateElementType.NEW_LINE };
       
   306 
       
   307 	/**
       
   308 	 * Beging template to length variable increase
       
   309 	 */
       
   310 	Object[] LENGTH_VARIABLE_INCREASE_TEMPLATE_BEGIN = {
       
   311 			"// Increase length because of fixed size parameters", //$NON-NLS-1$
       
   312 			HeaderTemplateElementType.NEW_LINE,
       
   313 			"length += "};	 //$NON-NLS-1$
       
   314 
       
   315 	/**
       
   316 	 * End template to length variable increase
       
   317 	 */
       
   318 	Object[] LENGTH_VARIABLE_INCREASE_TEMPLATE_END = {	
       
   319 			";",	 //$NON-NLS-1$	
       
   320 			HeaderTemplateElementType.NEW_LINE };
       
   321 	
       
   322 	/**
       
   323 	 * Template to calculate the length for a dynamic parameter
       
   324 	 */
       
   325 	Object[] DYNAMIC_PARAMETER_LENGTH_TEMPLATE = {
       
   326 	"// Check that parameter lenght is not too long", //$NON-NLS-1$
       
   327 	HeaderTemplateElementType.NEW_LINE,
       
   328 	"TInt length", //$NON-NLS-1$
       
   329 	HeaderTemplateElementType.PARAMETER_INDEX,
       
   330 	" = ", //$NON-NLS-1$
       
   331 	SymbianConstants.PARAMETER_DECLARATION_PREFIX,
       
   332 	HeaderTemplateElementType.PARAMETER_INDEX, ".Size();", //$NON-NLS-1$
       
   333 	HeaderTemplateElementType.NEW_LINE,
       
   334 		"if ((length + length", //$NON-NLS-1$
       
   335 	HeaderTemplateElementType.PARAMETER_INDEX,
       
   336 	" + sizeof ( TUint32 )) > KOstMaxDataLength)", //$NON-NLS-1$
       
   337 	HeaderTemplateElementType.OPEN_BRACE,
       
   338 	"length", //$NON-NLS-1$
       
   339 	HeaderTemplateElementType.PARAMETER_INDEX,	
       
   340 	" = KOstMaxDataLength - (length + sizeof ( TUint32 ));", //$NON-NLS-1$	
       
   341 	HeaderTemplateElementType.NEW_LINE,
       
   342 	HeaderTemplateElementType.CLOSE_BRACE,
       
   343 	HeaderTemplateElementType.NEW_LINE,
       
   344 	"TInt lengthAligned", //$NON-NLS-1$
       
   345 	HeaderTemplateElementType.PARAMETER_INDEX,
       
   346 	" = ( length", //$NON-NLS-1$
       
   347 	HeaderTemplateElementType.PARAMETER_INDEX,
       
   348 	" + 3 ) & ~3;", //$NON-NLS-1$
       
   349 	HeaderTemplateElementType.NEW_LINE,	
       
   350 	"if (lengthAligned", //$NON-NLS-1$
       
   351 	HeaderTemplateElementType.PARAMETER_INDEX,
       
   352 	" > 0)", //$NON-NLS-1$
       
   353 	HeaderTemplateElementType.OPEN_BRACE,
       
   354 	"length = length + sizeof ( TUint32 ) + lengthAligned", //$NON-NLS-1$
       
   355 	HeaderTemplateElementType.PARAMETER_INDEX,
       
   356 	";", //$NON-NLS-1$
       
   357 	HeaderTemplateElementType.NEW_LINE,
       
   358 	HeaderTemplateElementType.CLOSE_BRACE,
       
   359 	HeaderTemplateElementType.NEW_LINE };
       
   360 
       
   361 	/**
       
   362 	 * Template for the optimized single dynamic parameter case, where buffer is
       
   363 	 * not needed
       
   364 	 */
       
   365 	Object[] SINGLE_DYNAMIC_PARAMETER_TEMPLATE = {
       
   366 			"TInt size = ", //$NON-NLS-1$
       
   367 		    SymbianConstants.PARAMETER_DECLARATION_PREFIX, "1.Size();", //$NON-NLS-1$
       
   368 		    HeaderTemplateElementType.NEW_LINE,
       
   369 		    "// BTrace assumes that parameter size is atleast 4 bytes", //$NON-NLS-1$
       
   370 		    HeaderTemplateElementType.NEW_LINE,
       
   371 		    "if (size % 4 == 0)", //$NON-NLS-1$
       
   372 		    HeaderTemplateElementType.OPEN_BRACE,
       
   373 		    "TUint8* ptr = ( TUint8* )aParam1.Ptr();", //$NON-NLS-1$
       
   374 		    HeaderTemplateElementType.NEW_LINE,
       
   375 		    "// Data is written directly and length is determined from trace message length", //$NON-NLS-1$
       
   376 		    HeaderTemplateElementType.NEW_LINE,
       
   377 		    "retval = OstSendNBytes( EXTRACT_GROUP_ID(aTraceID), EOstTrace, KOstTraceComponentID, aTraceID, ptr, size );", //$NON-NLS-1$
       
   378 		    HeaderTemplateElementType.NEW_LINE,
       
   379 		    HeaderTemplateElementType.CLOSE_BRACE,
       
   380 		    HeaderTemplateElementType.NEW_LINE,
       
   381 		    "else", //$NON-NLS-1$
       
   382 		    HeaderTemplateElementType.OPEN_BRACE,
       
   383 		    "TUint8 data[ KOstMaxDataLength ];", //$NON-NLS-1$
       
   384 		    HeaderTemplateElementType.NEW_LINE,
       
   385 		    "TUint8* ptr = data;", //$NON-NLS-1$
       
   386 		    HeaderTemplateElementType.NEW_LINE,
       
   387 		    "if (size > KOstMaxDataLength)", //$NON-NLS-1$
       
   388 		    HeaderTemplateElementType.OPEN_BRACE,
       
   389 		    "size = KOstMaxDataLength;", //$NON-NLS-1$
       
   390 		    HeaderTemplateElementType.NEW_LINE,
       
   391 		    HeaderTemplateElementType.CLOSE_BRACE,
       
   392 		    HeaderTemplateElementType.NEW_LINE,
       
   393 		    "TInt sizeAligned = ( size + 3 ) & ~3;", //$NON-NLS-1$
       
   394 		    HeaderTemplateElementType.NEW_LINE,		    
       
   395 		    "memcpy( ptr, ", //$NON-NLS-1$
       
   396 		    SymbianConstants.PARAMETER_DECLARATION_PREFIX, "1.Ptr(), size );", //$NON-NLS-1$
       
   397 		    HeaderTemplateElementType.NEW_LINE,
       
   398 		    "ptr += size;", //$NON-NLS-1$
       
   399 		    HeaderTemplateElementType.NEW_LINE,
       
   400 		    "// Fillers are written to get 32-bit alignment", //$NON-NLS-1$
       
   401 		    HeaderTemplateElementType.NEW_LINE,
       
   402 		    "while ( size++ < sizeAligned )", //$NON-NLS-1$
       
   403 		    HeaderTemplateElementType.OPEN_BRACE,
       
   404 		    "*ptr++ = 0;", //$NON-NLS-1$
       
   405 		    HeaderTemplateElementType.NEW_LINE,
       
   406 		    HeaderTemplateElementType.CLOSE_BRACE,
       
   407 			HeaderTemplateElementType.NEW_LINE,
       
   408 		    "ptr -= sizeAligned;", //$NON-NLS-1$
       
   409 		    HeaderTemplateElementType.NEW_LINE,
       
   410 		    "size = sizeAligned;", //$NON-NLS-1$
       
   411 		    HeaderTemplateElementType.NEW_LINE,
       
   412 		    "// Data is written directly and length is determined from trace message length", //$NON-NLS-1$
       
   413 		    HeaderTemplateElementType.NEW_LINE,
       
   414 		    "retval = OstSendNBytes( EXTRACT_GROUP_ID(aTraceID), EOstTrace, KOstTraceComponentID, aTraceID, ptr, size );", //$NON-NLS-1$
       
   415 		    HeaderTemplateElementType.NEW_LINE,
       
   416 		    HeaderTemplateElementType.CLOSE_BRACE,
       
   417 			HeaderTemplateElementType.NEW_LINE};
       
   418 
       
   419 	/**
       
   420 	 * Template for buffered parameters
       
   421 	 */
       
   422 	Object[] BUFFERED_PARAMETERS_TEMPLATE = { HeaderTemplateElementType.TRACE_FUNCTION_PARAMETERS };
       
   423 
       
   424 	/**
       
   425 	 * Template when the trace buffer needs to be allocated
       
   426 	 */
       
   427 	Object[] BUILD_TRACE_BUFFER_TEMPLATE = {
       
   428 			new TemplateIterator(IteratorParameters.class,
       
   429 					BUFFERED_PARAMETERS_TEMPLATE),
       
   430 			"ptr -= ", //$NON-NLS-1$
       
   431 			new TemplateChoice(CheckIsBufferSizeDynamic.class,
       
   432 					new Object[] { "length;" }, new Object[] { //$NON-NLS-1$
       
   433 					HeaderTemplateElementType.FIXED_BUFFER_SIZE, ";" }), //$NON-NLS-1$
       
   434 			HeaderTemplateElementType.NEW_LINE };
       
   435 
       
   436 	/**
       
   437 	 * Template for trace parameters.
       
   438 	 */
       
   439 	Object[] PARAMETERS_TEMPLATE = { new TemplateChoice(
       
   440 			CheckIsTraceBufferBuilt.class, BUILD_TRACE_BUFFER_TEMPLATE,
       
   441 			SINGLE_DYNAMIC_PARAMETER_TEMPLATE) };
       
   442 
       
   443 }