1 //===-- ObjectImageCommon.h - Format independent executuable object image -===//
3 // The LLVM Compiler Infrastructure
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
8 //===----------------------------------------------------------------------===//
10 // This file declares a file format independent ObjectImage class.
12 //===----------------------------------------------------------------------===//
14 #ifndef LLVM_RUNTIMEDYLD_OBJECTIMAGECOMMON_H
15 #define LLVM_RUNTIMEDYLD_OBJECTIMAGECOMMON_H
17 #include "llvm/ExecutionEngine/ObjectBuffer.h"
18 #include "llvm/ExecutionEngine/ObjectImage.h"
19 #include "llvm/Object/ObjectFile.h"
27 class ObjectImageCommon : public ObjectImage {
28 ObjectImageCommon(); // = delete
29 ObjectImageCommon(const ObjectImageCommon &other); // = delete
30 void anchor() override;
33 object::ObjectFile *ObjFile;
35 // This form of the constructor allows subclasses to use
36 // format-specific subclasses of ObjectFile directly
37 ObjectImageCommon(ObjectBuffer *Input, object::ObjectFile *Obj)
38 : ObjectImage(Input), // saves Input as Buffer and takes ownership
44 ObjectImageCommon(ObjectBuffer* Input)
45 : ObjectImage(Input) // saves Input as Buffer and takes ownership
48 object::ObjectFile::createObjectFile(Buffer->getMemBuffer()).get();
50 ObjectImageCommon(object::ObjectFile* Input)
51 : ObjectImage(NULL), ObjFile(Input) {}
52 virtual ~ObjectImageCommon() { delete ObjFile; }
54 object::symbol_iterator begin_symbols() const override
55 { return ObjFile->symbol_begin(); }
56 object::symbol_iterator end_symbols() const override
57 { return ObjFile->symbol_end(); }
59 object::section_iterator begin_sections() const override
60 { return ObjFile->section_begin(); }
61 object::section_iterator end_sections() const override
62 { return ObjFile->section_end(); }
64 /* Triple::ArchType */ unsigned getArch() const override
65 { return ObjFile->getArch(); }
67 StringRef getData() const override { return ObjFile->getData(); }
69 object::ObjectFile* getObjectFile() const override { return ObjFile; }
71 // Subclasses can override these methods to update the image with loaded
72 // addresses for sections and common symbols
73 void updateSectionAddress(const object::SectionRef &Sec,
74 uint64_t Addr) override {}
75 void updateSymbolAddress(const object::SymbolRef &Sym,
76 uint64_t Addr) override {}
78 // Subclasses can override these methods to provide JIT debugging support
79 void registerWithDebugger() override {}
80 void deregisterWithDebugger() override {}
83 } // end namespace llvm
85 #endif // LLVM_RUNTIMEDYLD_OBJECT_IMAGE_H