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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@217065 91177308-0d34-0410-b5e6-96231b3b80d8
77 lines
2.7 KiB
C++
77 lines
2.7 KiB
C++
//===---- ObjectImage.h - Format independent executuable object image -----===//
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//
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// The LLVM Compiler Infrastructure
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//
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// This file is distributed under the University of Illinois Open Source
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// License. See LICENSE.TXT for details.
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//
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//===----------------------------------------------------------------------===//
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//
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// This file declares a file format independent ObjectImage class.
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//
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//===----------------------------------------------------------------------===//
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#ifndef LLVM_EXECUTIONENGINE_OBJECTIMAGE_H
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#define LLVM_EXECUTIONENGINE_OBJECTIMAGE_H
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#include "llvm/ExecutionEngine/ObjectBuffer.h"
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#include "llvm/Object/ObjectFile.h"
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namespace llvm {
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/// ObjectImage - A container class that represents an ObjectFile that has been
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/// or is in the process of being loaded into memory for execution.
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class ObjectImage {
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ObjectImage() LLVM_DELETED_FUNCTION;
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ObjectImage(const ObjectImage &other) LLVM_DELETED_FUNCTION;
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virtual void anchor();
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protected:
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std::unique_ptr<ObjectBuffer> Buffer;
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public:
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ObjectImage(std::unique_ptr<ObjectBuffer> Input) : Buffer(std::move(Input)) {}
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virtual ~ObjectImage() {}
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virtual object::symbol_iterator begin_symbols() const = 0;
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virtual object::symbol_iterator end_symbols() const = 0;
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iterator_range<object::symbol_iterator> symbols() const {
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return iterator_range<object::symbol_iterator>(begin_symbols(),
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end_symbols());
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}
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virtual object::section_iterator begin_sections() const = 0;
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virtual object::section_iterator end_sections() const = 0;
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iterator_range<object::section_iterator> sections() const {
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return iterator_range<object::section_iterator>(begin_sections(),
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end_sections());
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}
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virtual /* Triple::ArchType */ unsigned getArch() const = 0;
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// Return the name associated with this ObjectImage.
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// This is usually the name of the file or MemoryBuffer that the the
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// ObjectBuffer was constructed from.
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StringRef getImageName() const { return Buffer->getBufferIdentifier(); }
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// Subclasses can override these methods to update the image with loaded
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// addresses for sections and common symbols
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virtual void updateSectionAddress(const object::SectionRef &Sec,
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uint64_t Addr) = 0;
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virtual void updateSymbolAddress(const object::SymbolRef &Sym,
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uint64_t Addr) = 0;
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virtual StringRef getData() const = 0;
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virtual object::ObjectFile* getObjectFile() const = 0;
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// Subclasses can override these methods to provide JIT debugging support
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virtual void registerWithDebugger() = 0;
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virtual void deregisterWithDebugger() = 0;
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};
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} // end namespace llvm
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#endif // LLVM_EXECUTIONENGINE_OBJECTIMAGE_H
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