1//------------------------------------------------------------------------------ 2// Copyright (c) 2003, Ingo Weinhold 3// 4// Permission is hereby granted, free of charge, to any person obtaining a 5// copy of this software and associated documentation files (the "Software"), 6// to deal in the Software without restriction, including without limitation 7// the rights to use, copy, modify, merge, publish, distribute, sublicense, 8// and/or sell copies of the Software, and to permit persons to whom the 9// Software is furnished to do so, subject to the following conditions: 10// 11// The above copyright notice and this permission notice shall be included in 12// all copies or substantial portions of the Software. 13// 14// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 15// IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 16// FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 17// AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 18// LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING 19// FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER 20// DEALINGS IN THE SOFTWARE. 21// 22// File Name: ElfImage.h 23// Author: Ingo Weinhold (bonefish@users.sf.net) 24// Description: Interface declaration of ElfImage, a class encapsulating 25// a loaded ELF image, providing support for accessing the 26// image's symbols and their relocation entries. 27//------------------------------------------------------------------------------ 28 29#ifndef ELF_IMAGE_H 30#define ELF_IMAGE_H 31 32#include <File.h> 33#include <image.h> 34 35#include "ElfFile.h" 36 37class BList; 38 39namespace SymbolPatcher { 40 41class ElfSection; 42class ElfSymbol; 43 44// ElfImage 45class ElfImage { 46public: 47 ElfImage(); 48 ~ElfImage(); 49 status_t SetTo(image_id image); 50 void Unset(); 51 void Unload(); 52 53 image_id GetID() const { return fImage; } 54 55 status_t FindSymbol(const char* symbolName, 56 void** address); 57 status_t GetSymbolRelocations(const char* symbolName, 58 BList* relocations); 59 60private: 61 status_t _SetTo(image_id image); 62 63private: 64 image_id fImage; 65 ElfFile fFile; 66 uint8* fTextAddress; 67 uint8* fDataAddress; 68 uint8* fGotAddress; 69}; 70 71} // namespace SymbolPatcher 72 73using namespace SymbolPatcher; 74 75 76#endif // ELF_IMAGE_H 77