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git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@203344 91177308-0d34-0410-b5e6-96231b3b80d8
86 lines
2.8 KiB
C++
86 lines
2.8 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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namespace object {
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class ObjectFile;
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}
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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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void anchor() override;
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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 =
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object::ObjectFile::createObjectFile(Buffer->getMemBuffer()).get();
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}
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ObjectImageCommon(object::ObjectFile* Input)
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: ObjectImage(NULL), ObjFile(Input) {}
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virtual ~ObjectImageCommon() { delete ObjFile; }
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object::symbol_iterator begin_symbols() const override
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{ return ObjFile->symbol_begin(); }
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object::symbol_iterator end_symbols() const override
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{ return ObjFile->symbol_end(); }
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object::section_iterator begin_sections() const override
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{ return ObjFile->section_begin(); }
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object::section_iterator end_sections() const override
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{ return ObjFile->section_end(); }
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/* Triple::ArchType */ unsigned getArch() const override
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{ return ObjFile->getArch(); }
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StringRef getData() const override { return ObjFile->getData(); }
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object::ObjectFile* getObjectFile() const override { 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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void updateSectionAddress(const object::SectionRef &Sec,
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uint64_t Addr) override {}
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void updateSymbolAddress(const object::SymbolRef &Sym,
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uint64_t Addr) override {}
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// Subclasses can override these methods to provide JIT debugging support
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void registerWithDebugger() override {}
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void deregisterWithDebugger() override {}
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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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