--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/imgtools/imglib/symbolutil/bsymutil.h	Mon Nov 22 10:56:31 2010 +0800
@@ -0,0 +1,172 @@
+/*
+* Copyright (c) 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: 
+*
+*/
+
+#ifndef __BSYMUTIL_H__
+#define __BSYMUTIL_H__
+
+#include <e32std.h>
+#include <vector>
+#include <string>
+
+using namespace std;
+
+const int BSYM_PAGE_SIZE = 4096;
+
+const int MaxSize = 4*1024*1024;
+const TUint16 BsymMajorVer = 3;
+const TUint16 BsymMinorVer = 0;
+struct TBsymHeader {
+	char iMagic[4]; // 'B','S','Y','M' always big-endian
+	char iMajorVer[2]; // always big-endian, currently 3
+	char iMinorVer[2]; // always big-endian, currently 0.
+	char iEndiannessFlag;
+	char iCompressionFlag;
+	char iReservered[2];
+	TUint32 iDbgUnitOffset;
+	TUint32 iDbgUnitCount;
+	TUint32 iSymbolOffset;
+	TUint32 iSymbolCount;
+	TUint32 iStringTableOffset;
+	TUint32 iStringTableBytes;
+	TUint32 iCompressedSize;
+	TUint32 iUncompressSize;
+	TUint32 iCompressInfoOffset;
+};
+struct TDbgUnitEntry {
+	TUint32 iCodeAddress;
+	TUint32 iCodeSymbolCount;
+	TUint32 iDataAddress;
+	TUint32 iDataSymbolCount;
+	TUint32 iBssAddress;
+	TUint32 iBssSymbolCount;
+	TUint32 iPCNameOffset;
+	TUint32 iDevNameOffset;
+	TUint32 iStartSymbolIndex;
+	TDbgUnitEntry()
+	{
+		iCodeAddress =0;
+		iCodeSymbolCount =0;
+		iDataAddress =0;
+		iDataSymbolCount =0;
+		iBssAddress =0;
+		iBssSymbolCount =0;
+		iPCNameOffset =0;
+		iDevNameOffset =0;
+		iStartSymbolIndex =0;
+	}
+	void Reset()
+	{
+		iCodeAddress =0;
+		iCodeSymbolCount =0;
+		iDataAddress =0;
+		iDataSymbolCount =0;
+		iBssAddress =0;
+		iBssSymbolCount =0;
+		iPCNameOffset =0;
+		iDevNameOffset =0;
+		iStartSymbolIndex =0;
+	}
+};
+struct TDbgUnitPCEntry {
+	TDbgUnitEntry iDbgUnitEntry;
+	string iPCName;
+	string iDevName;
+};
+struct TSymbolEntry {
+	TUint32 iAddress;
+	TUint32 iLength;
+	TUint32 iScopeNameOffset;
+	TUint32 iNameOffset;
+	TUint32 iSecNameOffset;
+	TSymbolEntry()
+	{
+		iAddress =0;
+		iLength =0;
+		iScopeNameOffset =0;
+		iNameOffset =0;
+		iSecNameOffset =0;
+	}
+};
+
+struct TSymbolPCEntry {
+	TSymbolEntry iSymbolEntry;
+	string iScopeName;
+	string iName;
+	string iSecName;
+};
+
+struct TPageInfo {
+	TUint32 iPageStartOffset;
+	TUint32 iPageDataSize;
+};
+
+struct TCompressedHeaderInfo
+{
+	TUint32 iPageSize;
+	TUint32 iTotalPageNumber;
+	TPageInfo iPages[1];
+};
+
+typedef vector<TDbgUnitPCEntry> TDbgUnitEntrySet;
+typedef vector<TSymbolPCEntry> TSymbolPCEntrySet;
+typedef vector<string> StringList;
+
+struct MapFileInfo
+{
+	TDbgUnitPCEntry iDbgUnitPCEntry;
+	TSymbolPCEntrySet iSymbolPCEntrySet;
+};
+
+typedef vector<MapFileInfo> MapFileInfoSet;
+class ByteOrderUtil
+{
+public:
+	static bool IsLittleEndian()
+	{
+		union {
+			unsigned int a;
+			unsigned char b;
+		} c;
+		c.a = 1;
+		return (c.b == 1);
+	}
+};
+
+class MemoryWriter
+{
+public:
+	MemoryWriter();
+	~MemoryWriter();
+	int WriteBytes(const char* pChar, int size);
+	TUint32 GetOffset();
+	char* GetDataPointer();
+	bool ExtendMemory();
+	bool SetOffset(TUint32 aOffset);
+	void AddEmptyString();
+	TUint32 AddString(const string& aStr);
+	TUint32 AddScopeName(const string& aStr);
+	void SetStringTableStart(TUint32 aOffset);
+	TUint32 GetStringTableStart();
+private:
+	char* iChar;
+	TUint32 iOffset;
+	TUint32 iStringTableStart;
+	string iLastScopeName;
+	TUint32 iLastScopeNameOffset;
+	TUint32 iTotalSize;
+};
+#endif