--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/e32tools/elf2e32/source/e32imagefile.h	Tue Oct 27 16:36:35 2009 +0000
@@ -0,0 +1,265 @@
+// Copyright (c) 2004-2009 Nokia Corporation and/or its subsidiary(-ies).
+// All rights reserved.
+// This component and the accompanying materials are made available
+// under the terms of "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:
+// Class for E32 Image implementation and dump of the elf2e32 tool
+// @internalComponent
+// @released
+// 
+//
+
+#ifndef E32IMAGEFILE_H
+#define E32IMAGEFILE_H
+
+#include "pl_elfrelocation.h"
+#include "pl_elfrelocations.h"
+#include "e32imagedefs.h"
+#include "elfdefs.h"
+
+#include <fstream>
+#include <vector>
+using std::vector;
+#include <iostream>
+using std::ifstream;
+
+#include <e32std.h>
+
+enum TFileSource
+	{
+	EE32Image=0,
+	EPeFile=1,
+	EElfFile=2,
+	};
+
+class ELFExecutable;
+class ElfFileSupplied;
+
+/**
+Class E32ImageChunkDesc for different sections in the E32 image.
+@internalComponent
+@released
+*/
+class E32ImageChunkDesc
+{
+public:
+	E32ImageChunkDesc(char * aData, size_t aSize, size_t aOffset, char * aDoc);
+	virtual ~E32ImageChunkDesc();
+	virtual void Write(char * aPlace);
+
+public:
+	char * iData;
+	size_t iSize;
+	size_t iOffset;
+	char * iDoc;
+};
+
+/**
+Class E32ImageChunks for a list of sections in the E32 image.
+@internalComponent
+@released
+*/
+class E32ImageChunks
+{
+public:
+
+	typedef vector<E32ImageChunkDesc *> ChunkList;
+
+public:
+	E32ImageChunks();
+	virtual ~E32ImageChunks();
+
+	void AddChunk(char * aData, size_t aSize, size_t aOffset, char * aDoc);
+	size_t GetOffset();
+	void SetOffset(size_t aOffset);
+	ChunkList & GetChunks();
+
+public:
+	ChunkList iChunks;
+
+	size_t iOffset;
+
+};
+
+class ElfFileSupplied;
+
+/**
+Class E32ImageFile for fields of an E32 image.
+@internalComponent
+@released
+*/
+class E32ImageFile 
+{
+public:
+
+	typedef unsigned char uint8;
+	typedef unsigned short uint16;
+	typedef unsigned long uint32;
+	struct E32RelocPageDesc
+	{
+		uint32 aOffset;
+		uint32 aSize;
+	};
+
+//public:
+	E32ImageFile(const char * aFileName, ElfExecutable * aExecutable, ElfFileSupplied * aUseCase);
+	virtual ~E32ImageFile();
+
+	void GenerateE32Image();
+
+	void ReadInputELFFile(const char * aName, size_t & aFileSize, Elf32_Ehdr * & aELFFile );
+
+	void ProcessImports();
+	const char * FindDSO(const char * aName);
+
+	void ProcessRelocations();
+	void ProcessCodeRelocations();
+	void ProcessDataRelocations();
+	void CreateRelocations(ElfRelocations::RelocationList & aRelocList, char * & aRelocs, size_t & aRelocSize);
+	size_t RelocationsSize(ElfRelocations::RelocationList & aRelocList);
+
+	uint16 GetE32RelocType(ElfRelocation * aReloc);
+
+	void ConstructImage();
+
+	virtual void InitE32ImageHeader();
+	virtual size_t GetE32ImageHeaderSize();
+	virtual size_t GetExtendedE32ImageHeaderSize();
+	virtual void SetExtendedE32ImageHeaderSize(size_t aSize);
+
+	virtual void ComputeE32ImageLayout();
+	virtual size_t GetE32ImageSize();
+	virtual size_t GetExportOffset();
+	virtual void CreateExportBitMap();
+	virtual void AddExportDescription();
+
+	virtual void AllocateE32Image();
+	virtual void FinalizeE32Image();
+	virtual uint16 GetCpuIdentifier();
+	virtual uint32 EntryPointOffset();
+
+	enum EEntryPointStatus
+	{
+		EEntryPointOK,
+		EEntryPointCorrupt,
+		EEntryPointNotSupported
+	};
+
+	EEntryPointStatus ValidateEntryPoint();
+
+	virtual void SetUpExceptions();
+	virtual void SetUids();
+	virtual void SetSecureId();
+	virtual void SetVendorId();
+	virtual void SetCallEntryPoints();
+	virtual void SetCapability();
+	virtual void SetPriority(bool isDllp);
+	virtual void SetFixedAddress(bool isDllp);
+	virtual void SetVersion();
+	virtual void SetCompressionType();
+	virtual void SetFPU();
+	virtual void SetPaged();
+	virtual void SetSymbolLookup();
+	virtual void SetDebuggable();
+	virtual void SetSmpSafe();
+
+	void UpdateHeaderCrc();
+
+	bool WriteImage(const char * aName);
+
+public:
+	const char * iFileName;
+
+	char * iE32Image;
+	uint8 * iExportBitMap;
+	ElfExecutable * iElfExecutable;
+	std::vector<char*> cleanupStack;
+	char* iData;
+	ElfFileSupplied * iUseCase;
+	E32ImageHeaderV * iHdr;
+	size_t iHdrSize;
+
+	E32ImageChunks iChunks;
+
+	uint32 iNumDlls;
+	uint32 iNumImports;
+
+	uint32 * iImportSection;
+	size_t iImportSectionSize;
+
+	char * iCodeRelocs;
+	size_t iCodeRelocsSize;
+
+	char * iDataRelocs;
+	size_t iDataRelocsSize;
+
+	size_t iExportOffset;
+	bool iLayoutDone;
+
+	int iMissingExports;
+	
+	// This table carries the byte offsets in the import table entries corresponding 
+	// to the 0th ordinal entry of static dependencies.
+	std::vector<int>	iImportTabLocations;
+	std::vector<uint32>	iSymAddrTab;
+	std::vector<uint32>	iSymNameOffTab;
+	std::string			iSymbolNames;
+	uint32				iSymNameOffset;
+
+public:
+	E32ImageFile();
+	TInt ReadHeader(ifstream& is);
+	TInt Open(const char* aFileName);
+	void Adjust(TInt aSize, TBool aAllowShrink=ETrue);
+
+	TUint TextOffset();
+	TUint DataOffset();
+	TUint BssOffset();
+	TUint32 Capability();
+	TUint32 Format();
+
+	void Dump(TText *aFileName,TInt aDumpFlags);
+	void DumpHeader(TInt aDumpFlags);
+	void DumpData(TInt aDumpFlags);
+	void DumpSymbolInfo(E32EpocExpSymInfoHdr *aSymInfoHdr);
+	void E32ImageExportBitMap();
+	TInt CheckExportDescription();
+	void ProcessSymbolInfo();
+	char* CreateSymbolInfo(size_t aBaseOffset);
+	void SetSymInfo(E32EpocExpSymInfoHdr& aSymInfo);
+public:
+	inline TUint OrigCodeOffset() const {return OffsetUnadjust(iOrigHdr->iCodeOffset);}
+	inline TUint OrigDataOffset() const {return OffsetUnadjust(iOrigHdr->iDataOffset);}
+	inline TUint OrigCodeRelocOffset() const {return OffsetUnadjust(iOrigHdr->iCodeRelocOffset);}
+	inline TUint OrigDataRelocOffset() const {return OffsetUnadjust(iOrigHdr->iDataRelocOffset);}
+	inline TUint OrigImportOffset() const {return OffsetUnadjust(iOrigHdr->iImportOffset);}
+	inline TUint OrigExportDirOffset() const {return OffsetUnadjust(iOrigHdr->iExportDirOffset);}
+	inline TUint OffsetUnadjust(TUint a) const {return a ? a-iOrigHdrOffsetAdj : 0;}
+	inline void OffsetAdjust(TUint& a) { if (a) a+=iOrigHdrOffsetAdj; }
+
+public:
+
+	TInt iSize;
+	E32ImageHeader* iOrigHdr;
+	TInt iError;
+	TFileSource iSource;
+	TUint iOrigHdrOffsetAdj;
+	TInt iFileSize;
+
+};
+
+ifstream &operator>>(ifstream &is, E32ImageFile &aImage);
+void InflateUnCompress(unsigned char* source, int sourcesize, unsigned char* dest, int destsize);
+
+
+#endif // E32IMAGEFILE_H
+
+