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 37 class BList; 38 39 namespace SymbolPatcher { 40 41 class ElfSection; 42 class ElfSymbol; 43 44 // ElfImage 45 class ElfImage { 46 public: 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 60 private: 61 status_t _SetTo(image_id image); 62 63 private: 64 image_id fImage; 65 ElfFile fFile; 66 uint8* fTextAddress; 67 uint8* fDataAddress; 68 uint8* fGotAddress; 69 }; 70 71 } // namespace SymbolPatcher 72 73 using namespace SymbolPatcher; 74 75 76 #endif // ELF_IMAGE_H 77