1 /*

     2 * Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).

     3 * All rights reserved.

     4 *

     5 * This program is free software: you can redistribute it and/or modify

     6 * it under the terms of the GNU Lesser General Public License as published by

     7 * the Free Software Foundation, either version 3 of the License, or

     8 * (at your option) any later version.

     9 *

    10 * This program is distributed in the hope that it will be useful,

    11 * but WITHOUT ANY WARRANTY; without even the implied warranty of

    12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the

    13 * GNU Lesser General Public License for more details.

    14 * 

    15 * You should have received a copy of the GNU Lesser General Public License

    16 * along with this program.  If not, see <http://www.gnu.org/licenses/>.

    17 */

    18 

    19 #ifndef ELFROM_H_

    20 #define ELFROM_H_

    21 

    22 #include <vector>

    23 //

    24 // Copyright (c) 2008 Symbian Software Ltd. All rights reserved.

    25 //

    26 

    27 #include <libelf.h>

    28 

    29 #include "romdetails.h"

    30 #include "outputfile.h"

    31 #include "elfheader.h"

    32 #include "e32romimage.h"

    33 #include "elfphdr.h"

    34 #include "elfsectionmanager.h"

    35 #include "elfsymboltablemanager.h"

    36 #include "dwarfmanager.h"

    37 

    38 class ElfRom {

    39 public:

    40 	ElfRom(RomDetails * aRomDetails) :

    41 		iRomDetails(aRomDetails), iOutputFile(aRomDetails->iElfRomFile),

    42 		iE32RomImage(aRomDetails->iRomFile),

    43 		iElfSectionManager(iElf32Header, iE32RomImage, iOutputFile),

    44 		iElfSymbolTableManager(iElf32Header, iE32RomImage, iOutputFile, iElfSectionManager),

    45 		iDwarfManager(iElfSectionManager, aRomDetails, iOutputFile),

    46 		iDwarfFound(false)

    47 		{}

    48 	void SetupE32RomData();

    49 	void SetupELFRomData();

    50 	void AddData();

    51 	void Dump();

    52 

    53 private:

    54 	typedef std::vector< Elf32_Shdr * > Elf32_Shdr_List;

    55 	

    56 private:

    57 	void SetupRomElf32_EHdr();

    58 	void SetupRomImage();

    59 	void SetupProgramHeaderTable();

    60 	size_t AddBootStrapProgramHeader();

    61 	size_t SetupProgramHeaders(XIPFileDetails & aXIPFileDetails, size_t offset, int addend);

    62 	void SetupAuxilarySections();

    63 	void SetupLogFile();

    64 	void SetupSectionHeaderTable();

    65 	void SetupSectionHeaders(XIPFileDetails & aXIPFileDetails);

    66 	void SetupSectionHeaders(XIPFileDetails & aXIPFileDetails, Elf * e, size_t shstrndx);

    67 	void SetUpSegmentInfo(XIPFileDetails & aXIPFileDetails, Elf * e);

    68 	size_t AddRoSectionHeader(XIPFileDetails & aXIPFileDetails, Elf32_Shdr * aShdr, char * aName);

    69 	size_t AddRwSectionHeader(XIPFileDetails & aXIPFileDetails, Elf32_Shdr * aShdr, char * aName);

    70 	size_t AddBssSectionHeader(XIPFileDetails & aXIPFileDetails, Elf32_Shdr * aShdr, char * aName);

    71 	size_t AddROMSectionHeader(XIPFileDetails & aXIPFileDetails, Elf32_Shdr * aShdr, char * aName, size_t aOffset);

    72 	size_t AddFinalHeader(size_t offset);

    73 	void SetupSymbolTable();

    74 	void SetupDwarfSections();

    75 	

    76 private:

    77 	RomDetails * iRomDetails;

    78 	OutputFile iOutputFile;

    79 	

    80 	Elf32Header iElf32Header;

    81 	E32RomImage iE32RomImage;

    82 

    83 	ElfPHdr	iBootStrapPHdr;

    84 

    85 	typedef std::vector<ElfPHdr> ElfPHdrList;

    86 	ElfPHdrList iElfPHdrList;

    87 	

    88 	ElfSectionManager iElfSectionManager;

    89 	ElfSymbolTableManager iElfSymbolTableManager;

    90 	DwarfManager iDwarfManager;

    91 	

    92 	bool iDwarfFound;

    93 

    94 };

    95 #endif /*ELFROM_H_*/