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annotate lib/ExecutionEngine/RuntimeDyld/ObjectImageCommon.h @ 0:95c75e76d11b

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LLVM 3.4
author Kaito Tokumori <e105711@ie.u-ryukyu.ac.jp>
date Thu, 12 Dec 2013 13:56:28 +0900
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children e4204d083e25
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1 //===-- ObjectImageCommon.h - Format independent executuable object image -===//
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2 //
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3 // The LLVM Compiler Infrastructure
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4 //
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5 // This file is distributed under the University of Illinois Open Source
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6 // License. See LICENSE.TXT for details.
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7 //
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8 //===----------------------------------------------------------------------===//
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9 //
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10 // This file declares a file format independent ObjectImage class.
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11 //
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12 //===----------------------------------------------------------------------===//
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13
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14 #ifndef LLVM_RUNTIMEDYLD_OBJECTIMAGECOMMON_H
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15 #define LLVM_RUNTIMEDYLD_OBJECTIMAGECOMMON_H
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16
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17 #include "llvm/ExecutionEngine/ObjectBuffer.h"
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18 #include "llvm/ExecutionEngine/ObjectImage.h"
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19 #include "llvm/Object/ObjectFile.h"
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20
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21 namespace llvm {
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22
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23 class ObjectImageCommon : public ObjectImage {
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24 ObjectImageCommon(); // = delete
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25 ObjectImageCommon(const ObjectImageCommon &other); // = delete
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26 virtual void anchor();
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27
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28 protected:
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29 object::ObjectFile *ObjFile;
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30
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31 // This form of the constructor allows subclasses to use
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32 // format-specific subclasses of ObjectFile directly
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33 ObjectImageCommon(ObjectBuffer *Input, object::ObjectFile *Obj)
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34 : ObjectImage(Input), // saves Input as Buffer and takes ownership
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35 ObjFile(Obj)
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36 {
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37 }
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38
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39 public:
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40 ObjectImageCommon(ObjectBuffer* Input)
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41 : ObjectImage(Input) // saves Input as Buffer and takes ownership
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42 {
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43 ObjFile = object::ObjectFile::createObjectFile(Buffer->getMemBuffer());
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44 }
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45 virtual ~ObjectImageCommon() { delete ObjFile; }
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46
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47 virtual object::symbol_iterator begin_symbols() const
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48 { return ObjFile->begin_symbols(); }
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49 virtual object::symbol_iterator end_symbols() const
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50 { return ObjFile->end_symbols(); }
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51
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52 virtual object::section_iterator begin_sections() const
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53 { return ObjFile->begin_sections(); }
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54 virtual object::section_iterator end_sections() const
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55 { return ObjFile->end_sections(); }
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56
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57 virtual /* Triple::ArchType */ unsigned getArch() const
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58 { return ObjFile->getArch(); }
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59
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60 virtual StringRef getData() const { return ObjFile->getData(); }
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61
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62 virtual object::ObjectFile* getObjectFile() const { return ObjFile; }
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63
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64 // Subclasses can override these methods to update the image with loaded
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65 // addresses for sections and common symbols
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66 virtual void updateSectionAddress(const object::SectionRef &Sec,
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67 uint64_t Addr) {}
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68 virtual void updateSymbolAddress(const object::SymbolRef &Sym, uint64_t Addr)
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69 {}
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70
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71 // Subclasses can override these methods to provide JIT debugging support
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72 virtual void registerWithDebugger() {}
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73 virtual void deregisterWithDebugger() {}
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74 };
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75
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76 } // end namespace llvm
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77
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78 #endif // LLVM_RUNTIMEDYLD_OBJECT_IMAGE_H
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79