1 /*

     2 * Copyright (c) 2007-2009 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 the License "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 * @internalComponent

    16 * @released

    17 *

    18 */

    19 

    20 

    21 #ifndef ROMREADER_H

    22 #define ROMREADER_H

    23 

    24 #include <e32image.h>

    25 #include "imagereader.h"

    26 

    27 class TRomRootDirectoryList;

    28 class TRomDir;

    29 class TRomImageHeader;

    30 class TRomEntry;

    31 class RomImageFSEntry;

    32 class RomImageHeader;

    33 

    34 const String KEpocIdentifier("EPOC");

    35 const String KRomImageIdentifier("ROM");

    36 

    37 const unsigned int KLdrOpcode = 0xe51ff004;

    38 const unsigned int KRomBase = 0x80000000;

    39 const unsigned int KRomBaseMaxLimit = 0x82000000;

    40 

    41 /**

    42 Class for ROM reader

    43 

    44 @internalComponent

    45 @released

    46 */

    47 class RomReader : public ImageReader

    48 {

    49 private:

    50 	RomAddrVsExeName iAddVsExeMap;

    51 	VectorList	iImageAddress;

    52 

    53 public:

    54 	RomReader(const char* aFile, EImageType aImgType );

    55 	~RomReader(void);

    56 

    57 	static bool IsRomImage(const String& aWord);

    58 	static bool IsRomExtImage(const String& aWord);

    59 	void ReadImage(void);

    60 	void ProcessImage(void);

    61 	void BuildDir(TRomDir *aDir, RomImageFSEntry* aPaFSEntry);

    62 	void BuildDir(short int *aOffsetTbl, short int aOffsetTblCount, 

    63 					TRomDir *aDir, RomImageFSEntry* aPaFSEntry);

    64 	void GetRomDirTbl(short int** aBase, short int& aCount, TRomDir *aRomDir);

    65 	void AddChild(RomImageFSEntry *aPa, RomImageFSEntry *aChild, TRomEntry* aRomEntry);

    66 	void Name(String& aName, const char * aUnicodeName, const int aLen);

    67        

    68 	const unsigned long int ImageCompressionType(void) const;

    69 	const char* RomHdrPtr(void) const;

    70 	const unsigned long int RomBase(void) const;

    71 	const unsigned int HdrSize(void) const;

    72 	const unsigned long int RootDirList(void) const;

    73 	const unsigned int ImgSize() const;

    74     

    75 	void PrepareExecutableList(void);

    76 	ExeNamesVsDepListMap& GatherDependencies(void);

    77 	void PrepareAddVsExeMap(void);

    78 	void CollectImportExecutableNames(const RomImageFSEntry* aEntry, StringList& aImportExecutableNameList);

    79 	unsigned int CodeSectionAddress(unsigned int& aImageAddress);

    80     void PrepareExeVsIdMap(void);

    81     const ExeVsIdDataMap& GetExeVsIdMap(void) const;

    82   

    83     void PrepareExeVsRomFsEntryMap(void);

    84 	RomImageHeader *iImageHeader;

    85 	TRomRootDirectoryList *iRootDirList;

    86 	RomImageFSEntry	*iRomImageRootDirEntry;

    87 	unsigned char *iData;

    88     ExeVsRomFsEntryMap iExeVsRomFsEntryMap;

    89 

    90 	EImageType iImgType;

    91 	static bool iNoRomLoaderHeader;

    92 };

    93  

    94 #endif //ROMREADER_H