1 //===---- ObjectImage.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_EXECUTIONENGINE_OBJECTIMAGE_H
15 #define LLVM_EXECUTIONENGINE_OBJECTIMAGE_H
17 #include "llvm/ExecutionEngine/ObjectBuffer.h"
18 #include "llvm/Object/ObjectFile.h"
23 /// ObjectImage - A container class that represents an ObjectFile that has been
24 /// or is in the process of being loaded into memory for execution.
26 ObjectImage() LLVM_DELETED_FUNCTION;
27 ObjectImage(const ObjectImage &other) LLVM_DELETED_FUNCTION;
28 virtual void anchor();
31 std::unique_ptr<ObjectBuffer> Buffer;
34 ObjectImage(std::unique_ptr<ObjectBuffer> Input) : Buffer(std::move(Input)) {}
35 virtual ~ObjectImage() {}
37 virtual object::symbol_iterator begin_symbols() const = 0;
38 virtual object::symbol_iterator end_symbols() const = 0;
39 iterator_range<object::symbol_iterator> symbols() const {
40 return iterator_range<object::symbol_iterator>(begin_symbols(),
44 virtual object::section_iterator begin_sections() const = 0;
45 virtual object::section_iterator end_sections() const = 0;
46 iterator_range<object::section_iterator> sections() const {
47 return iterator_range<object::section_iterator>(begin_sections(),
51 virtual /* Triple::ArchType */ unsigned getArch() const = 0;
53 // Return the name associated with this ObjectImage.
54 // This is usually the name of the file or MemoryBuffer that the the
55 // ObjectBuffer was constructed from.
56 StringRef getImageName() const { return Buffer->getBufferIdentifier(); }
58 // Subclasses can override these methods to update the image with loaded
59 // addresses for sections and common symbols
60 virtual void updateSectionAddress(const object::SectionRef &Sec,
62 virtual void updateSymbolAddress(const object::SymbolRef &Sym,
65 virtual StringRef getData() const = 0;
67 virtual object::ObjectFile* getObjectFile() const = 0;
69 // Subclasses can override these methods to provide JIT debugging support
70 virtual void registerWithDebugger() = 0;
71 virtual void deregisterWithDebugger() = 0;
74 } // end namespace llvm
76 #endif // LLVM_EXECUTIONENGINE_OBJECTIMAGE_H