//------------------------------------------------------------------------------
//      Copyright (c) 2003, Ingo Weinhold
//
//      Permission is hereby granted, free of charge, to any person obtaining a
//      copy of this software and associated documentation files (the "Software"),
//      to deal in the Software without restriction, including without limitation
//      the rights to use, copy, modify, merge, publish, distribute, sublicense,
//      and/or sell copies of the Software, and to permit persons to whom the
//      Software is furnished to do so, subject to the following conditions:
//
//      The above copyright notice and this permission notice shall be included in
//      all copies or substantial portions of the Software.
//
//      THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//      IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//      FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//      AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//      LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
//      FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
//      DEALINGS IN THE SOFTWARE.
//
//      File Name:              ElfImage.h
//      Author:                 Ingo Weinhold (bonefish@users.sf.net)
//      Description:    Interface declaration of ElfImage, a class encapsulating
//                                      a loaded ELF image, providing support for accessing the
//                                      image's symbols and their relocation entries.
//------------------------------------------------------------------------------

#ifndef ELF_IMAGE_H
#define ELF_IMAGE_H

#include <File.h>
#include <image.h>

#include "ElfFile.h"

class BList;

namespace SymbolPatcher {

class ElfSection;
class ElfSymbol;

// ElfImage
class ElfImage {
public:
                                                                ElfImage();
                                                                ~ElfImage();
                        status_t                        SetTo(image_id image);
                        void                            Unset();
                        void                            Unload();

                        image_id                        GetID() const   { return fImage; }

                        status_t                        FindSymbol(const char* symbolName,
                                                                                   void** address);
                        status_t                        GetSymbolRelocations(const char* symbolName,
                                                                                                         BList* relocations);

private:
                        status_t                        _SetTo(image_id image);

private:
                        image_id                        fImage;
                        ElfFile                         fFile;
                        uint8*                          fTextAddress;
                        uint8*                          fDataAddress;
                        uint8*                          fGotAddress;
};

} // namespace SymbolPatcher

using namespace SymbolPatcher;


#endif  // ELF_IMAGE_H