X-Git-Url: http://demsky.eecs.uci.edu/git/?a=blobdiff_plain;f=include%2Fllvm%2FObject%2FObjectFile.h;h=e63f554d91abe333f549b464898b9641d2e8947b;hb=b09c146b116359616f6cbd4c8b3328607e00ff42;hp=0ce11d88d59450045a0fa30074941eef0695bd8b;hpb=dedd6ee135f886e219035b2cf5957ce492f90ed1;p=oota-llvm.git

diff --git a/include/llvm/Object/ObjectFile.h b/include/llvm/Object/ObjectFile.h
index 0ce11d88d59..e63f554d91a 100644
--- a/include/llvm/Object/ObjectFile.h
+++ b/include/llvm/Object/ObjectFile.h
@@ -14,12 +14,13 @@
 #ifndef LLVM_OBJECT_OBJECT_FILE_H
 #define LLVM_OBJECT_OBJECT_FILE_H
 
-#include "llvm/Object/Binary.h"
 #include "llvm/ADT/StringRef.h"
+#include "llvm/Object/Binary.h"
 #include "llvm/Support/DataTypes.h"
 #include "llvm/Support/ErrorHandling.h"
 #include "llvm/Support/MemoryBuffer.h"
 #include <cstring>
+#include <vector>
 
 namespace llvm {
 namespace object {
@@ -27,99 +28,252 @@ namespace object {
 class ObjectFile;
 
 union DataRefImpl {
+  struct {
+    // ELF needs this for relocations. This entire union should probably be a
+    // char[max(8, sizeof(uintptr_t))] and require the impl to cast.
+    uint16_t a, b;
+    uint32_t c;
+  } w;
   struct {
     uint32_t a, b;
   } d;
   uintptr_t p;
+  DataRefImpl() {
+    std::memset(this, 0, sizeof(DataRefImpl));
+  }
+};
+
+template<class content_type>
+class content_iterator {
+  content_type Current;
+public:
+  content_iterator(content_type symb)
+    : Current(symb) {}
+
+  const content_type* operator->() const {
+    return &Current;
+  }
+
+  const content_type &operator*() const {
+    return Current;
+  }
+
+  bool operator==(const content_iterator &other) const {
+    return Current == other.Current;
+  }
+
+  bool operator!=(const content_iterator &other) const {
+    return !(*this == other);
+  }
+
+  content_iterator& increment(error_code &err) {
+    content_type next;
+    if (error_code ec = Current.getNext(next))
+      err = ec;
+    else
+      Current = next;
+    return *this;
+  }
 };
 
-static bool operator ==(const DataRefImpl &a, const DataRefImpl &b) {
+inline bool operator==(const DataRefImpl &a, const DataRefImpl &b) {
   // Check bitwise identical. This is the only legal way to compare a union w/o
   // knowing which member is in use.
   return std::memcmp(&a, &b, sizeof(DataRefImpl)) == 0;
 }
 
+inline bool operator<(const DataRefImpl &a, const DataRefImpl &b) {
+  // Check bitwise identical. This is the only legal way to compare a union w/o
+  // knowing which member is in use.
+  return std::memcmp(&a, &b, sizeof(DataRefImpl)) < 0;
+}
+
+class SymbolRef;
+
+/// RelocationRef - This is a value type class that represents a single
+/// relocation in the list of relocations in the object file.
 class RelocationRef {
   DataRefImpl RelocationPimpl;
   const ObjectFile *OwningObject;
 
 public:
-  RelocationRef() : OwningObject(NULL) {
-    std::memset(&RelocationPimpl, 0, sizeof(RelocationPimpl));
-  }
+  RelocationRef() : OwningObject(NULL) { }
 
   RelocationRef(DataRefImpl RelocationP, const ObjectFile *Owner);
 
   bool operator==(const RelocationRef &Other) const;
 
-  error_code getNext(RelocationRef &Result);
+  error_code getNext(RelocationRef &Result) const;
+
+  error_code getAddress(uint64_t &Result) const;
+  error_code getOffset(uint64_t &Result) const;
+  error_code getSymbol(SymbolRef &Result) const;
+  error_code getType(uint64_t &Result) const;
+
+  /// @brief Indicates whether this relocation should hidden when listing
+  /// relocations, usually because it is the trailing part of a multipart
+  /// relocation that will be printed as part of the leading relocation.
+  error_code getHidden(bool &Result) const;
+
+  /// @brief Get a string that represents the type of this relocation.
+  ///
+  /// This is for display purposes only.
+  error_code getTypeName(SmallVectorImpl<char> &Result) const;
+  error_code getAdditionalInfo(int64_t &Result) const;
+
+  /// @brief Get a string that represents the calculation of the value of this
+  ///        relocation.
+  ///
+  /// This is for display purposes only.
+  error_code getValueString(SmallVectorImpl<char> &Result) const;
+
+  DataRefImpl getRawDataRefImpl() const;
+};
+typedef content_iterator<RelocationRef> relocation_iterator;
+
+/// SectionRef - This is a value type class that represents a single section in
+/// the list of sections in the object file.
+class SectionRef {
+  friend class SymbolRef;
+  DataRefImpl SectionPimpl;
+  const ObjectFile *OwningObject;
+
+public:
+  SectionRef() : OwningObject(NULL) { }
+
+  SectionRef(DataRefImpl SectionP, const ObjectFile *Owner);
+
+  bool operator==(const SectionRef &Other) const;
+  bool operator<(const SectionRef &Other) const;
+
+  error_code getNext(SectionRef &Result) const;
+
+  error_code getName(StringRef &Result) const;
+  error_code getAddress(uint64_t &Result) const;
+  error_code getSize(uint64_t &Result) const;
+  error_code getContents(StringRef &Result) const;
+
+  /// @brief Get the alignment of this section as the actual value (not log 2).
+  error_code getAlignment(uint64_t &Result) const;
+
+  // FIXME: Move to the normalization layer when it's created.
+  error_code isText(bool &Result) const;
+  error_code isData(bool &Result) const;
+  error_code isBSS(bool &Result) const;
+  error_code isRequiredForExecution(bool &Result) const;
+  error_code isVirtual(bool &Result) const;
+  error_code isZeroInit(bool &Result) const;
+  error_code isReadOnlyData(bool &Result) const;
+
+  error_code containsSymbol(SymbolRef S, bool &Result) const;
+
+  relocation_iterator begin_relocations() const;
+  relocation_iterator end_relocations() const;
+
+  DataRefImpl getRawDataRefImpl() const;
 };
+typedef content_iterator<SectionRef> section_iterator;
 
 /// SymbolRef - This is a value type class that represents a single symbol in
 /// the list of symbols in the object file.
 class SymbolRef {
+  friend class SectionRef;
   DataRefImpl SymbolPimpl;
   const ObjectFile *OwningObject;
 
 public:
-  SymbolRef() : OwningObject(NULL) {
-    std::memset(&SymbolPimpl, 0, sizeof(SymbolPimpl));
-  }
+  SymbolRef() : OwningObject(NULL) { }
+
+  enum Type {
+    ST_Unknown, // Type not specified
+    ST_Data,
+    ST_Debug,
+    ST_File,
+    ST_Function,
+    ST_Other
+  };
+
+  enum Flags {
+    SF_None            = 0,
+    SF_Undefined       = 1U << 0,  // Symbol is defined in another object file
+    SF_Global          = 1U << 1,  // Global symbol
+    SF_Weak            = 1U << 2,  // Weak symbol
+    SF_Absolute        = 1U << 3,  // Absolute symbol
+    SF_ThreadLocal     = 1U << 4,  // Thread local symbol
+    SF_Common          = 1U << 5,  // Symbol has common linkage
+    SF_FormatSpecific  = 1U << 31  // Specific to the object file format
+                                   // (e.g. section symbols)
+  };
 
   SymbolRef(DataRefImpl SymbolP, const ObjectFile *Owner);
 
   bool operator==(const SymbolRef &Other) const;
+  bool operator<(const SymbolRef &Other) const;
 
   error_code getNext(SymbolRef &Result) const;
 
   error_code getName(StringRef &Result) const;
+  /// Returns the symbol virtual address (i.e. address at which it will be
+  /// mapped).
   error_code getAddress(uint64_t &Result) const;
+  error_code getFileOffset(uint64_t &Result) const;
   error_code getSize(uint64_t &Result) const;
+  error_code getType(SymbolRef::Type &Result) const;
 
   /// Returns the ascii char that should be displayed in a symbol table dump via
   /// nm for this symbol.
   error_code getNMTypeChar(char &Result) const;
 
-  /// Returns true for symbols that are internal to the object file format such
-  /// as section symbols.
-  error_code isInternal(bool &Result) const;
+  /// Get symbol flags (bitwise OR of SymbolRef::Flags)
+  error_code getFlags(uint32_t &Result) const;
+
+  /// @brief Return true for common symbols such as uninitialized globals
+  error_code isCommon(bool &Result) const;
+
+  /// @brief Get section this symbol is defined in reference to. Result is
+  /// end_sections() if it is undefined or is an absolute symbol.
+  error_code getSection(section_iterator &Result) const;
+
+  /// @brief Get value of the symbol in the symbol table.
+  error_code getValue(uint64_t &Val) const;
+
+  DataRefImpl getRawDataRefImpl() const;
 };
+typedef content_iterator<SymbolRef> symbol_iterator;
 
-/// SectionRef - This is a value type class that represents a single section in
-/// the list of sections in the object file.
-class SectionRef {
-  DataRefImpl SectionPimpl;
+/// LibraryRef - This is a value type class that represents a single library in
+/// the list of libraries needed by a shared or dynamic object.
+class LibraryRef {
+  friend class SectionRef;
+  DataRefImpl LibraryPimpl;
   const ObjectFile *OwningObject;
 
 public:
-  SectionRef() : OwningObject(NULL) {
-    std::memset(&SectionPimpl, 0, sizeof(SectionPimpl));
-  }
+  LibraryRef() : OwningObject(NULL) { }
 
-  SectionRef(DataRefImpl SectionP, const ObjectFile *Owner);
+  LibraryRef(DataRefImpl LibraryP, const ObjectFile *Owner);
 
-  bool operator==(const SectionRef &Other) const;
+  bool operator==(const LibraryRef &Other) const;
+  bool operator<(const LibraryRef &Other) const;
 
-  error_code getNext(SectionRef &Result) const;
+  error_code getNext(LibraryRef &Result) const;
 
-  error_code getName(StringRef &Result) const;
-  error_code getAddress(uint64_t &Result) const;
-  error_code getSize(uint64_t &Result) const;
-  error_code getContents(StringRef &Result) const;
+  // Get the path to this library, as stored in the object file.
+  error_code getPath(StringRef &Result) const;
 
-  // FIXME: Move to the normalization layer when it's created.
-  error_code isText(bool &Result) const;
+  DataRefImpl getRawDataRefImpl() const;
 };
+typedef content_iterator<LibraryRef> library_iterator;
 
 const uint64_t UnknownAddressOrSize = ~0ULL;
 
 /// ObjectFile - This class is the base class for all object file types.
 /// Concrete instances of this object are created by createObjectFile, which
-/// figure out which type to create.
+/// figures out which type to create.
 class ObjectFile : public Binary {
-private:
-  ObjectFile(); // = delete
-  ObjectFile(const ObjectFile &other); // = delete
+  virtual void anchor();
+  ObjectFile() LLVM_DELETED_FUNCTION;
+  ObjectFile(const ObjectFile &other) LLVM_DELETED_FUNCTION;
 
 protected:
   ObjectFile(unsigned int Type, MemoryBuffer *source, error_code &ec);
@@ -139,10 +293,17 @@ protected:
   friend class SymbolRef;
   virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const = 0;
   virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const = 0;
-  virtual error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const =0;
+  virtual error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const = 0;
+  virtual error_code getSymbolFileOffset(DataRefImpl Symb, uint64_t &Res)const=0;
   virtual error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const = 0;
+  virtual error_code getSymbolType(DataRefImpl Symb,
+                                   SymbolRef::Type &Res) const = 0;
   virtual error_code getSymbolNMTypeChar(DataRefImpl Symb, char &Res) const = 0;
-  virtual error_code isSymbolInternal(DataRefImpl Symb, bool &Res) const = 0;
+  virtual error_code getSymbolFlags(DataRefImpl Symb,
+                                    uint32_t &Res) const = 0;
+  virtual error_code getSymbolSection(DataRefImpl Symb,
+                                      section_iterator &Res) const = 0;
+  virtual error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const = 0;
 
   // Same as above for SectionRef.
   friend class SectionRef;
@@ -151,48 +312,64 @@ protected:
   virtual error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const =0;
   virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const = 0;
   virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res)const=0;
+  virtual error_code getSectionAlignment(DataRefImpl Sec, uint64_t &Res)const=0;
   virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const = 0;
+  virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const = 0;
+  virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const = 0;
+  virtual error_code isSectionRequiredForExecution(DataRefImpl Sec,
+                                                   bool &Res) const = 0;
+  // A section is 'virtual' if its contents aren't present in the object image.
+  virtual error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const = 0;
+  virtual error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const = 0;
+  virtual error_code isSectionReadOnlyData(DataRefImpl Sec, bool &Res) const =0;
+  virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
+                                           bool &Result) const = 0;
+  virtual relocation_iterator getSectionRelBegin(DataRefImpl Sec) const = 0;
+  virtual relocation_iterator getSectionRelEnd(DataRefImpl Sec) const = 0;
+
+
+  // Same as above for RelocationRef.
+  friend class RelocationRef;
+  virtual error_code getRelocationNext(DataRefImpl Rel,
+                                       RelocationRef &Res) const = 0;
+  virtual error_code getRelocationAddress(DataRefImpl Rel,
+                                          uint64_t &Res) const =0;
+  virtual error_code getRelocationOffset(DataRefImpl Rel,
+                                         uint64_t &Res) const =0;
+  virtual error_code getRelocationSymbol(DataRefImpl Rel,
+                                         SymbolRef &Res) const = 0;
+  virtual error_code getRelocationType(DataRefImpl Rel,
+                                       uint64_t &Res) const = 0;
+  virtual error_code getRelocationTypeName(DataRefImpl Rel,
+                                       SmallVectorImpl<char> &Result) const = 0;
+  virtual error_code getRelocationAdditionalInfo(DataRefImpl Rel,
+                                                 int64_t &Res) const = 0;
+  virtual error_code getRelocationValueString(DataRefImpl Rel,
+                                       SmallVectorImpl<char> &Result) const = 0;
+  virtual error_code getRelocationHidden(DataRefImpl Rel, bool &Result) const {
+    Result = false;
+    return object_error::success;
+  }
 
+  // Same for LibraryRef
+  friend class LibraryRef;
+  virtual error_code getLibraryNext(DataRefImpl Lib, LibraryRef &Res) const = 0;
+  virtual error_code getLibraryPath(DataRefImpl Lib, StringRef &Res) const = 0;
 
 public:
-  template<class content_type>
-  class content_iterator {
-    content_type Current;
-  public:
-    content_iterator(content_type symb)
-      : Current(symb) {}
-
-    const content_type* operator->() const {
-      return &Current;
-    }
-
-    bool operator==(const content_iterator &other) const {
-      return Current == other.Current;
-    }
-
-    bool operator!=(const content_iterator &other) const {
-      return !(*this == other);
-    }
-
-    content_iterator& increment(error_code &err) {
-      content_type next;
-      if (error_code ec = Current.getNext(next))
-        err = ec;
-      else
-        Current = next;
-      return *this;
-    }
-  };
-
-  typedef content_iterator<SymbolRef> symbol_iterator;
-  typedef content_iterator<SectionRef> section_iterator;
 
   virtual symbol_iterator begin_symbols() const = 0;
   virtual symbol_iterator end_symbols() const = 0;
 
+  virtual symbol_iterator begin_dynamic_symbols() const = 0;
+  virtual symbol_iterator end_dynamic_symbols() const = 0;
+
   virtual section_iterator begin_sections() const = 0;
   virtual section_iterator end_sections() const = 0;
 
+  virtual library_iterator begin_libraries_needed() const = 0;
+  virtual library_iterator end_libraries_needed() const = 0;
+
   /// @brief The number of bytes used to represent an address in this object
   ///        file format.
   virtual uint8_t getBytesInAddress() const = 0;
@@ -200,6 +377,11 @@ public:
   virtual StringRef getFileFormatName() const = 0;
   virtual /* Triple::ArchType */ unsigned getArch() const = 0;
 
+  /// For shared objects, returns the name which this object should be
+  /// loaded from at runtime. This corresponds to DT_SONAME on ELF and
+  /// LC_ID_DYLIB (install name) on MachO.
+  virtual StringRef getLoadName() const = 0;
+
   /// @returns Pointer to ObjectFile subclass to handle this type of object.
   /// @param ObjectPath The path to the object file. ObjectPath.isObject must
   ///        return true.
@@ -208,10 +390,8 @@ public:
   static ObjectFile *createObjectFile(MemoryBuffer *Object);
 
   static inline bool classof(const Binary *v) {
-    return v->getType() >= isObject &&
-           v->getType() < lastObject;
+    return v->isObject();
   }
-  static inline bool classof(const ObjectFile *v) { return true; }
 
 public:
   static ObjectFile *createCOFFObjectFile(MemoryBuffer *Object);
@@ -228,6 +408,10 @@ inline bool SymbolRef::operator==(const SymbolRef &Other) const {
   return SymbolPimpl == Other.SymbolPimpl;
 }
 
+inline bool SymbolRef::operator<(const SymbolRef &Other) const {
+  return SymbolPimpl < Other.SymbolPimpl;
+}
+
 inline error_code SymbolRef::getNext(SymbolRef &Result) const {
   return OwningObject->getSymbolNext(SymbolPimpl, Result);
 }
@@ -240,6 +424,10 @@ inline error_code SymbolRef::getAddress(uint64_t &Result) const {
   return OwningObject->getSymbolAddress(SymbolPimpl, Result);
 }
 
+inline error_code SymbolRef::getFileOffset(uint64_t &Result) const {
+  return OwningObject->getSymbolFileOffset(SymbolPimpl, Result);
+}
+
 inline error_code SymbolRef::getSize(uint64_t &Result) const {
   return OwningObject->getSymbolSize(SymbolPimpl, Result);
 }
@@ -248,8 +436,24 @@ inline error_code SymbolRef::getNMTypeChar(char &Result) const {
   return OwningObject->getSymbolNMTypeChar(SymbolPimpl, Result);
 }
 
-inline error_code SymbolRef::isInternal(bool &Result) const {
-  return OwningObject->isSymbolInternal(SymbolPimpl, Result);
+inline error_code SymbolRef::getFlags(uint32_t &Result) const {
+  return OwningObject->getSymbolFlags(SymbolPimpl, Result);
+}
+
+inline error_code SymbolRef::getSection(section_iterator &Result) const {
+  return OwningObject->getSymbolSection(SymbolPimpl, Result);
+}
+
+inline error_code SymbolRef::getType(SymbolRef::Type &Result) const {
+  return OwningObject->getSymbolType(SymbolPimpl, Result);
+}
+
+inline error_code SymbolRef::getValue(uint64_t &Val) const {
+  return OwningObject->getSymbolValue(SymbolPimpl, Val);
+}
+
+inline DataRefImpl SymbolRef::getRawDataRefImpl() const {
+  return SymbolPimpl;
 }
 
 
@@ -263,6 +467,10 @@ inline bool SectionRef::operator==(const SectionRef &Other) const {
   return SectionPimpl == Other.SectionPimpl;
 }
 
+inline bool SectionRef::operator<(const SectionRef &Other) const {
+  return SectionPimpl < Other.SectionPimpl;
+}
+
 inline error_code SectionRef::getNext(SectionRef &Result) const {
   return OwningObject->getSectionNext(SectionPimpl, Result);
 }
@@ -283,10 +491,128 @@ inline error_code SectionRef::getContents(StringRef &Result) const {
   return OwningObject->getSectionContents(SectionPimpl, Result);
 }
 
+inline error_code SectionRef::getAlignment(uint64_t &Result) const {
+  return OwningObject->getSectionAlignment(SectionPimpl, Result);
+}
+
 inline error_code SectionRef::isText(bool &Result) const {
   return OwningObject->isSectionText(SectionPimpl, Result);
 }
 
+inline error_code SectionRef::isData(bool &Result) const {
+  return OwningObject->isSectionData(SectionPimpl, Result);
+}
+
+inline error_code SectionRef::isBSS(bool &Result) const {
+  return OwningObject->isSectionBSS(SectionPimpl, Result);
+}
+
+inline error_code SectionRef::isRequiredForExecution(bool &Result) const {
+  return OwningObject->isSectionRequiredForExecution(SectionPimpl, Result);
+}
+
+inline error_code SectionRef::isVirtual(bool &Result) const {
+  return OwningObject->isSectionVirtual(SectionPimpl, Result);
+}
+
+inline error_code SectionRef::isZeroInit(bool &Result) const {
+  return OwningObject->isSectionZeroInit(SectionPimpl, Result);
+}
+
+inline error_code SectionRef::isReadOnlyData(bool &Result) const {
+  return OwningObject->isSectionReadOnlyData(SectionPimpl, Result);
+}
+
+inline error_code SectionRef::containsSymbol(SymbolRef S, bool &Result) const {
+  return OwningObject->sectionContainsSymbol(SectionPimpl, S.SymbolPimpl,
+                                             Result);
+}
+
+inline relocation_iterator SectionRef::begin_relocations() const {
+  return OwningObject->getSectionRelBegin(SectionPimpl);
+}
+
+inline relocation_iterator SectionRef::end_relocations() const {
+  return OwningObject->getSectionRelEnd(SectionPimpl);
+}
+
+inline DataRefImpl SectionRef::getRawDataRefImpl() const {
+  return SectionPimpl;
+}
+
+/// RelocationRef
+inline RelocationRef::RelocationRef(DataRefImpl RelocationP,
+                              const ObjectFile *Owner)
+  : RelocationPimpl(RelocationP)
+  , OwningObject(Owner) {}
+
+inline bool RelocationRef::operator==(const RelocationRef &Other) const {
+  return RelocationPimpl == Other.RelocationPimpl;
+}
+
+inline error_code RelocationRef::getNext(RelocationRef &Result) const {
+  return OwningObject->getRelocationNext(RelocationPimpl, Result);
+}
+
+inline error_code RelocationRef::getAddress(uint64_t &Result) const {
+  return OwningObject->getRelocationAddress(RelocationPimpl, Result);
+}
+
+inline error_code RelocationRef::getOffset(uint64_t &Result) const {
+  return OwningObject->getRelocationOffset(RelocationPimpl, Result);
+}
+
+inline error_code RelocationRef::getSymbol(SymbolRef &Result) const {
+  return OwningObject->getRelocationSymbol(RelocationPimpl, Result);
+}
+
+inline error_code RelocationRef::getType(uint64_t &Result) const {
+  return OwningObject->getRelocationType(RelocationPimpl, Result);
+}
+
+inline error_code RelocationRef::getTypeName(SmallVectorImpl<char> &Result)
+  const {
+  return OwningObject->getRelocationTypeName(RelocationPimpl, Result);
+}
+
+inline error_code RelocationRef::getAdditionalInfo(int64_t &Result) const {
+  return OwningObject->getRelocationAdditionalInfo(RelocationPimpl, Result);
+}
+
+inline error_code RelocationRef::getValueString(SmallVectorImpl<char> &Result)
+  const {
+  return OwningObject->getRelocationValueString(RelocationPimpl, Result);
+}
+
+inline error_code RelocationRef::getHidden(bool &Result) const {
+  return OwningObject->getRelocationHidden(RelocationPimpl, Result);
+}
+
+inline DataRefImpl RelocationRef::getRawDataRefImpl() const {
+  return RelocationPimpl;
+}
+
+// Inline function definitions.
+inline LibraryRef::LibraryRef(DataRefImpl LibraryP, const ObjectFile *Owner)
+  : LibraryPimpl(LibraryP)
+  , OwningObject(Owner) {}
+
+inline bool LibraryRef::operator==(const LibraryRef &Other) const {
+  return LibraryPimpl == Other.LibraryPimpl;
+}
+
+inline bool LibraryRef::operator<(const LibraryRef &Other) const {
+  return LibraryPimpl < Other.LibraryPimpl;
+}
+
+inline error_code LibraryRef::getNext(LibraryRef &Result) const {
+  return OwningObject->getLibraryNext(LibraryPimpl, Result);
+}
+
+inline error_code LibraryRef::getPath(StringRef &Result) const {
+  return OwningObject->getLibraryPath(LibraryPimpl, Result);
+}
+
 } // end namespace object
 } // end namespace llvm