/*

* 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