forked from OSchip/llvm-project
79 lines
2.6 KiB
C++
79 lines
2.6 KiB
C++
//===-- ObjectImageCommon.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_RUNTIMEDYLD_OBJECTIMAGECOMMON_H
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#define LLVM_RUNTIMEDYLD_OBJECTIMAGECOMMON_H
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#include "llvm/ExecutionEngine/ObjectBuffer.h"
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#include "llvm/ExecutionEngine/ObjectImage.h"
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#include "llvm/Object/ObjectFile.h"
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namespace llvm {
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class ObjectImageCommon : public ObjectImage {
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ObjectImageCommon(); // = delete
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ObjectImageCommon(const ObjectImageCommon &other); // = delete
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protected:
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object::ObjectFile *ObjFile;
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// This form of the constructor allows subclasses to use
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// format-specific subclasses of ObjectFile directly
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ObjectImageCommon(ObjectBuffer *Input, object::ObjectFile *Obj)
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: ObjectImage(Input), // saves Input as Buffer and takes ownership
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ObjFile(Obj)
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{
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}
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public:
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ObjectImageCommon(ObjectBuffer* Input)
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: ObjectImage(Input) // saves Input as Buffer and takes ownership
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{
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ObjFile = object::ObjectFile::createObjectFile(Buffer->getMemBuffer());
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}
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virtual ~ObjectImageCommon() { delete ObjFile; }
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virtual object::symbol_iterator begin_symbols() const
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{ return ObjFile->begin_symbols(); }
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virtual object::symbol_iterator end_symbols() const
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{ return ObjFile->end_symbols(); }
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virtual object::section_iterator begin_sections() const
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{ return ObjFile->begin_sections(); }
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virtual object::section_iterator end_sections() const
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{ return ObjFile->end_sections(); }
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virtual /* Triple::ArchType */ unsigned getArch() const
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{ return ObjFile->getArch(); }
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virtual StringRef getData() const { return ObjFile->getData(); }
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virtual object::ObjectFile* getObjectFile() const { return ObjFile; }
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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) {}
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virtual void updateSymbolAddress(const object::SymbolRef &Sym, uint64_t Addr)
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{}
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// Subclasses can override these methods to provide JIT debugging support
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virtual void registerWithDebugger() {}
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virtual void deregisterWithDebugger() {}
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};
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} // end namespace llvm
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#endif // LLVM_RUNTIMEDYLD_OBJECT_IMAGE_H
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