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//===---- ObjectImage.h - Format independent executuable object image -----===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
//
// This file declares a file format independent ObjectImage class.
//
//===----------------------------------------------------------------------===//
#ifndef LLVM_EXECUTIONENGINE_OBJECTIMAGE_H
#define LLVM_EXECUTIONENGINE_OBJECTIMAGE_H
#include "llvm/ExecutionEngine/ObjectBuffer.h"
#include "llvm/Object/ObjectFile.h"
namespace llvm {
/// ObjectImage - A container class that represents an ObjectFile that has been
/// or is in the process of being loaded into memory for execution.
class ObjectImage {
ObjectImage() LLVM_DELETED_FUNCTION;
ObjectImage(const ObjectImage &other) LLVM_DELETED_FUNCTION;
virtual void anchor();
protected:
std::unique_ptr<ObjectBuffer> Buffer;
public:
ObjectImage(std::unique_ptr<ObjectBuffer> Input) : Buffer(std::move(Input)) {}
virtual ~ObjectImage() {}
virtual object::symbol_iterator begin_symbols() const = 0;
virtual object::symbol_iterator end_symbols() const = 0;
iterator_range<object::symbol_iterator> symbols() const {
return iterator_range<object::symbol_iterator>(begin_symbols(),
end_symbols());
}
virtual object::section_iterator begin_sections() const = 0;
virtual object::section_iterator end_sections() const = 0;
iterator_range<object::section_iterator> sections() const {
return iterator_range<object::section_iterator>(begin_sections(),
end_sections());
}
virtual /* Triple::ArchType */ unsigned getArch() const = 0;
// Return the name associated with this ObjectImage.
// This is usually the name of the file or MemoryBuffer that the the
// ObjectBuffer was constructed from.
StringRef getImageName() const { return Buffer->getBufferIdentifier(); }
// Subclasses can override these methods to update the image with loaded
// addresses for sections and common symbols
virtual void updateSectionAddress(const object::SectionRef &Sec,
uint64_t Addr) = 0;
virtual void updateSymbolAddress(const object::SymbolRef &Sym,
uint64_t Addr) = 0;
virtual StringRef getData() const = 0;
virtual object::ObjectFile* getObjectFile() const = 0;
// Subclasses can override these methods to provide JIT debugging support
virtual void registerWithDebugger() = 0;
virtual void deregisterWithDebugger() = 0;
};
} // end namespace llvm
#endif // LLVM_EXECUTIONENGINE_OBJECTIMAGE_H
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