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
19namespace llvm {
20
21class ObjectImage {
22  ObjectImage(); // = delete
23  ObjectImage(const ObjectImage &other); // = delete
24protected:
25  object::ObjectFile *ObjFile;
26
27public:
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 these methods 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