1 //===---- ObjectImage.h - Format independent executuable object image -----===// 2 // 3 // The LLVM Compiler Infrastructure 4 // 5 // This file is distributed under the University of Illinois Open Source 6 // License. See LICENSE.TXT for details. 7 // 8 //===----------------------------------------------------------------------===// 9 // 10 // This file declares a file format independent ObjectImage class. 11 // 12 //===----------------------------------------------------------------------===// 13 14 #ifndef LLVM_RUNTIMEDYLD_OBJECT_IMAGE_H 15 #define LLVM_RUNTIMEDYLD_OBJECT_IMAGE_H 16 17 #include "llvm/Object/ObjectFile.h" 18 19 namespace llvm { 20 21 class ObjectImage { 22 ObjectImage(); // = delete 23 ObjectImage(const ObjectImage &other); // = delete 24 protected: 25 object::ObjectFile *ObjFile; 26 27 public: 28 ObjectImage(object::ObjectFile *Obj) { ObjFile = Obj; } 29 virtual ~ObjectImage() {} 30 31 virtual object::symbol_iterator begin_symbols() const 32 { return ObjFile->begin_symbols(); } 33 virtual object::symbol_iterator end_symbols() const 34 { return ObjFile->end_symbols(); } 35 36 virtual object::section_iterator begin_sections() const 37 { return ObjFile->begin_sections(); } 38 virtual object::section_iterator end_sections() const 39 { return ObjFile->end_sections(); } 40 41 virtual /* Triple::ArchType */ unsigned getArch() const 42 { return ObjFile->getArch(); } 43 44 // Subclasses can override these methods to update the image with loaded 45 // addresses for sections and common symbols 46 virtual void updateSectionAddress(const object::SectionRef &Sec, 47 uint64_t Addr) {} 48 virtual void updateSymbolAddress(const object::SymbolRef &Sym, uint64_t Addr) 49 {} 50 51 // Subclasses can override this method to provide JIT debugging support 52 virtual void registerWithDebugger() {} 53 virtual void deregisterWithDebugger() {} 54 }; 55 56 } // end namespace llvm 57 58 #endif // LLVM_RUNTIMEDYLD_OBJECT_IMAGE_H 59 60
