src/llvm/include/llvm/Object/ObjectFile.h

   1 //===- ObjectFile.h - File format independent object file -------*- C++ -*-===//
   2 //
   3 //                     The LLVM Compiler Infrastructure
   4 //
   5 // This file is distributed under the University of Illinois Open Source
   6 // License. See LICENSE.TXT for details.
   7 //
   8 //===----------------------------------------------------------------------===//
   9 //
  10 // This file declares a file format independent ObjectFile class.
  11 //
  12 //===----------------------------------------------------------------------===//
  13
  14 #ifndef LLVM_OBJECT_OBJECTFILE_H
  15 #define LLVM_OBJECT_OBJECTFILE_H
  16
  17 #include "llvm/ADT/StringRef.h"
  18 #include "llvm/Object/Binary.h"
  19 #include "llvm/Support/DataTypes.h"
  20 #include "llvm/Support/ErrorHandling.h"
  21 #include "llvm/Support/MemoryBuffer.h"
  22 #include <cstring>
  23 #include <vector>
  24
  25 namespace llvm {
  26 namespace object {
  27
  28 class ObjectFile;
  29
  30 union DataRefImpl {
  31   struct {
  32     // ELF needs this for relocations. This entire union should probably be a
  33     // char[max(8, sizeof(uintptr_t))] and require the impl to cast.
  34     uint16_t a, b;
  35     uint32_t c;
  36   } w;
  37   struct {
  38     uint32_t a, b;
  39   } d;
  40   uintptr_t p;
  41   DataRefImpl() {
  42     std::memset(this, 0, sizeof(DataRefImpl));
  43   }
  44 };
  45
  46 template<class content_type>
  47 class content_iterator {
  48   content_type Current;
  49 public:
  50   content_iterator(content_type symb)
  51     : Current(symb) {}
  52
  53   const content_type* operator->() const {
  54     return &Current;
  55   }
  56
  57   const content_type &operator*() const {
  58     return Current;
  59   }
  60
  61   bool operator==(const content_iterator &other) const {
  62     return Current == other.Current;
  63   }
  64
  65   bool operator!=(const content_iterator &other) const {
  66     return !(*this == other);
  67   }
  68
  69   content_iterator& increment(error_code &err) {
  70     content_type next;
  71     if (error_code ec = Current.getNext(next))
  72       err = ec;
  73     else
  74       Current = next;
  75     return *this;
  76   }
  77 };
  78
  79 inline bool operator==(const DataRefImpl &a, const DataRefImpl &b) {
  80   // Check bitwise identical. This is the only legal way to compare a union w/o
  81   // knowing which member is in use.
  82   return std::memcmp(&a, &b, sizeof(DataRefImpl)) == 0;
  83 }
  84
  85 inline bool operator<(const DataRefImpl &a, const DataRefImpl &b) {
  86   // Check bitwise identical. This is the only legal way to compare a union w/o
  87   // knowing which member is in use.
  88   return std::memcmp(&a, &b, sizeof(DataRefImpl)) < 0;
  89 }
  90
  91 class SymbolRef;
  92
  93 /// RelocationRef - This is a value type class that represents a single
  94 /// relocation in the list of relocations in the object file.
  95 class RelocationRef {
  96   DataRefImpl RelocationPimpl;
  97   const ObjectFile *OwningObject;
  98
  99 public:
 100   RelocationRef() : OwningObject(NULL) { }
 101
 102   RelocationRef(DataRefImpl RelocationP, const ObjectFile *Owner);
 103
 104   bool operator==(const RelocationRef &Other) const;
 105
 106   error_code getNext(RelocationRef &Result) const;
 107
 108   error_code getAddress(uint64_t &Result) const;
 109   error_code getOffset(uint64_t &Result) const;
 110   error_code getSymbol(SymbolRef &Result) const;
 111   error_code getType(uint64_t &Result) const;
 112
 113   /// @brief Indicates whether this relocation should hidden when listing
 114   /// relocations, usually because it is the trailing part of a multipart
 115   /// relocation that will be printed as part of the leading relocation.
 116   error_code getHidden(bool &Result) const;
 117
 118   /// @brief Get a string that represents the type of this relocation.
 119   ///
 120   /// This is for display purposes only.
 121   error_code getTypeName(SmallVectorImpl<char> &Result) const;
 122   error_code getAdditionalInfo(int64_t &Result) const;
 123
 124   /// @brief Get a string that represents the calculation of the value of this
 125   ///        relocation.
 126   ///
 127   /// This is for display purposes only.
 128   error_code getValueString(SmallVectorImpl<char> &Result) const;
 129
 130   DataRefImpl getRawDataRefImpl() const;
 131 };
 132 typedef content_iterator<RelocationRef> relocation_iterator;
 133
 134 /// SectionRef - This is a value type class that represents a single section in
 135 /// the list of sections in the object file.
 136 class SectionRef {
 137   friend class SymbolRef;
 138   DataRefImpl SectionPimpl;
 139   const ObjectFile *OwningObject;
 140
 141 public:
 142   SectionRef() : OwningObject(NULL) { }
 143
 144   SectionRef(DataRefImpl SectionP, const ObjectFile *Owner);
 145
 146   bool operator==(const SectionRef &Other) const;
 147   bool operator<(const SectionRef &Other) const;
 148
 149   error_code getNext(SectionRef &Result) const;
 150
 151   error_code getName(StringRef &Result) const;
 152   error_code getAddress(uint64_t &Result) const;
 153   error_code getSize(uint64_t &Result) const;
 154   error_code getContents(StringRef &Result) const;
 155
 156   /// @brief Get the alignment of this section as the actual value (not log 2).
 157   error_code getAlignment(uint64_t &Result) const;
 158
 159   // FIXME: Move to the normalization layer when it's created.
 160   error_code isText(bool &Result) const;
 161   error_code isData(bool &Result) const;
 162   error_code isBSS(bool &Result) const;
 163   error_code isRequiredForExecution(bool &Result) const;
 164   error_code isVirtual(bool &Result) const;
 165   error_code isZeroInit(bool &Result) const;
 166   error_code isReadOnlyData(bool &Result) const;
 167
 168   error_code containsSymbol(SymbolRef S, bool &Result) const;
 169
 170   relocation_iterator begin_relocations() const;
 171   relocation_iterator end_relocations() const;
 172
 173   DataRefImpl getRawDataRefImpl() const;
 174 };
 175 typedef content_iterator<SectionRef> section_iterator;
 176
 177 /// SymbolRef - This is a value type class that represents a single symbol in
 178 /// the list of symbols in the object file.
 179 class SymbolRef {
 180   friend class SectionRef;
 181   DataRefImpl SymbolPimpl;
 182   const ObjectFile *OwningObject;
 183
 184 public:
 185   SymbolRef() : OwningObject(NULL) { }
 186
 187   enum Type {
 188     ST_Unknown, // Type not specified
 189     ST_Data,
 190     ST_Debug,
 191     ST_File,
 192     ST_Function,
 193     ST_Other
 194   };
 195
 196   enum Flags {
 197     SF_None            = 0,
 198     SF_Undefined       = 1U << 0,  // Symbol is defined in another object file
 199     SF_Global          = 1U << 1,  // Global symbol
 200     SF_Weak            = 1U << 2,  // Weak symbol
 201     SF_Absolute        = 1U << 3,  // Absolute symbol
 202     SF_ThreadLocal     = 1U << 4,  // Thread local symbol
 203     SF_Common          = 1U << 5,  // Symbol has common linkage
 204     SF_FormatSpecific  = 1U << 31  // Specific to the object file format
 205                                    // (e.g. section symbols)
 206   };
 207
 208   SymbolRef(DataRefImpl SymbolP, const ObjectFile *Owner);
 209
 210   bool operator==(const SymbolRef &Other) const;
 211   bool operator<(const SymbolRef &Other) const;
 212
 213   error_code getNext(SymbolRef &Result) const;
 214
 215   error_code getName(StringRef &Result) const;
 216   /// Returns the symbol virtual address (i.e. address at which it will be
 217   /// mapped).
 218   error_code getAddress(uint64_t &Result) const;
 219   error_code getFileOffset(uint64_t &Result) const;
 220   error_code getSize(uint64_t &Result) const;
 221   error_code getType(SymbolRef::Type &Result) const;
 222
 223   /// Returns the ascii char that should be displayed in a symbol table dump via
 224   /// nm for this symbol.
 225   error_code getNMTypeChar(char &Result) const;
 226
 227   /// Get symbol flags (bitwise OR of SymbolRef::Flags)
 228   error_code getFlags(uint32_t &Result) const;
 229
 230   /// @brief Return true for common symbols such as uninitialized globals
 231   error_code isCommon(bool &Result) const;
 232
 233   /// @brief Get section this symbol is defined in reference to. Result is
 234   /// end_sections() if it is undefined or is an absolute symbol.
 235   error_code getSection(section_iterator &Result) const;
 236
 237   /// @brief Get value of the symbol in the symbol table.
 238   error_code getValue(uint64_t &Val) const;
 239
 240   DataRefImpl getRawDataRefImpl() const;
 241 };
 242 typedef content_iterator<SymbolRef> symbol_iterator;
 243
 244 /// LibraryRef - This is a value type class that represents a single library in
 245 /// the list of libraries needed by a shared or dynamic object.
 246 class LibraryRef {
 247   friend class SectionRef;
 248   DataRefImpl LibraryPimpl;
 249   const ObjectFile *OwningObject;
 250
 251 public:
 252   LibraryRef() : OwningObject(NULL) { }
 253
 254   LibraryRef(DataRefImpl LibraryP, const ObjectFile *Owner);
 255
 256   bool operator==(const LibraryRef &Other) const;
 257   bool operator<(const LibraryRef &Other) const;
 258
 259   error_code getNext(LibraryRef &Result) const;
 260
 261   // Get the path to this library, as stored in the object file.
 262   error_code getPath(StringRef &Result) const;
 263
 264   DataRefImpl getRawDataRefImpl() const;
 265 };
 266 typedef content_iterator<LibraryRef> library_iterator;
 267
 268 const uint64_t UnknownAddressOrSize = ~0ULL;
 269
 270 /// ObjectFile - This class is the base class for all object file types.
 271 /// Concrete instances of this object are created by createObjectFile, which
 272 /// figures out which type to create.
 273 class ObjectFile : public Binary {
 274   virtual void anchor();
 275   ObjectFile() LLVM_DELETED_FUNCTION;
 276   ObjectFile(const ObjectFile &other) LLVM_DELETED_FUNCTION;
 277
 278 protected:
 279   ObjectFile(unsigned int Type, MemoryBuffer *source, error_code &ec);
 280
 281   const uint8_t *base() const {
 282     return reinterpret_cast<const uint8_t *>(Data->getBufferStart());
 283   }
 284
 285   // These functions are for SymbolRef to call internally. The main goal of
 286   // this is to allow SymbolRef::SymbolPimpl to point directly to the symbol
 287   // entry in the memory mapped object file. SymbolPimpl cannot contain any
 288   // virtual functions because then it could not point into the memory mapped
 289   // file.
 290   //
 291   // Implementations assume that the DataRefImpl is valid and has not been
 292   // modified externally. It's UB otherwise.
 293   friend class SymbolRef;
 294   virtual error_code getSymbolNext(DataRefImpl Symb, SymbolRef &Res) const = 0;
 295   virtual error_code getSymbolName(DataRefImpl Symb, StringRef &Res) const = 0;
 296   virtual error_code getSymbolAddress(DataRefImpl Symb, uint64_t &Res) const = 0;
 297   virtual error_code getSymbolFileOffset(DataRefImpl Symb, uint64_t &Res)const=0;
 298   virtual error_code getSymbolSize(DataRefImpl Symb, uint64_t &Res) const = 0;
 299   virtual error_code getSymbolType(DataRefImpl Symb,
 300                                    SymbolRef::Type &Res) const = 0;
 301   virtual error_code getSymbolNMTypeChar(DataRefImpl Symb, char &Res) const = 0;
 302   virtual error_code getSymbolFlags(DataRefImpl Symb,
 303                                     uint32_t &Res) const = 0;
 304   virtual error_code getSymbolSection(DataRefImpl Symb,
 305                                       section_iterator &Res) const = 0;
 306   virtual error_code getSymbolValue(DataRefImpl Symb, uint64_t &Val) const = 0;
 307
 308   // Same as above for SectionRef.
 309   friend class SectionRef;
 310   virtual error_code getSectionNext(DataRefImpl Sec, SectionRef &Res) const = 0;
 311   virtual error_code getSectionName(DataRefImpl Sec, StringRef &Res) const = 0;
 312   virtual error_code getSectionAddress(DataRefImpl Sec, uint64_t &Res) const =0;
 313   virtual error_code getSectionSize(DataRefImpl Sec, uint64_t &Res) const = 0;
 314   virtual error_code getSectionContents(DataRefImpl Sec, StringRef &Res)const=0;
 315   virtual error_code getSectionAlignment(DataRefImpl Sec, uint64_t &Res)const=0;
 316   virtual error_code isSectionText(DataRefImpl Sec, bool &Res) const = 0;
 317   virtual error_code isSectionData(DataRefImpl Sec, bool &Res) const = 0;
 318   virtual error_code isSectionBSS(DataRefImpl Sec, bool &Res) const = 0;
 319   virtual error_code isSectionRequiredForExecution(DataRefImpl Sec,
 320                                                    bool &Res) const = 0;
 321   // A section is 'virtual' if its contents aren't present in the object image.
 322   virtual error_code isSectionVirtual(DataRefImpl Sec, bool &Res) const = 0;
 323   virtual error_code isSectionZeroInit(DataRefImpl Sec, bool &Res) const = 0;
 324   virtual error_code isSectionReadOnlyData(DataRefImpl Sec, bool &Res) const =0;
 325   virtual error_code sectionContainsSymbol(DataRefImpl Sec, DataRefImpl Symb,
 326                                            bool &Result) const = 0;
 327   virtual relocation_iterator getSectionRelBegin(DataRefImpl Sec) const = 0;
 328   virtual relocation_iterator getSectionRelEnd(DataRefImpl Sec) const = 0;
 329
 330
 331   // Same as above for RelocationRef.
 332   friend class RelocationRef;
 333   virtual error_code getRelocationNext(DataRefImpl Rel,
 334                                        RelocationRef &Res) const = 0;
 335   virtual error_code getRelocationAddress(DataRefImpl Rel,
 336                                           uint64_t &Res) const =0;
 337   virtual error_code getRelocationOffset(DataRefImpl Rel,
 338                                          uint64_t &Res) const =0;
 339   virtual error_code getRelocationSymbol(DataRefImpl Rel,
 340                                          SymbolRef &Res) const = 0;
 341   virtual error_code getRelocationType(DataRefImpl Rel,
 342                                        uint64_t &Res) const = 0;
 343   virtual error_code getRelocationTypeName(DataRefImpl Rel,
 344                                        SmallVectorImpl<char> &Result) const = 0;
 345   virtual error_code getRelocationAdditionalInfo(DataRefImpl Rel,
 346                                                  int64_t &Res) const = 0;
 347   virtual error_code getRelocationValueString(DataRefImpl Rel,
 348                                        SmallVectorImpl<char> &Result) const = 0;
 349   virtual error_code getRelocationHidden(DataRefImpl Rel, bool &Result) const {
 350     Result = false;
 351     return object_error::success;
 352   }
 353
 354   // Same for LibraryRef
 355   friend class LibraryRef;
 356   virtual error_code getLibraryNext(DataRefImpl Lib, LibraryRef &Res) const = 0;
 357   virtual error_code getLibraryPath(DataRefImpl Lib, StringRef &Res) const = 0;
 358
 359 public:
 360
 361   virtual symbol_iterator begin_symbols() const = 0;
 362   virtual symbol_iterator end_symbols() const = 0;
 363
 364   virtual symbol_iterator begin_dynamic_symbols() const = 0;
 365   virtual symbol_iterator end_dynamic_symbols() const = 0;
 366
 367   virtual section_iterator begin_sections() const = 0;
 368   virtual section_iterator end_sections() const = 0;
 369
 370   virtual library_iterator begin_libraries_needed() const = 0;
 371   virtual library_iterator end_libraries_needed() const = 0;
 372
 373   /// @brief The number of bytes used to represent an address in this object
 374   ///        file format.
 375   virtual uint8_t getBytesInAddress() const = 0;
 376
 377   virtual StringRef getFileFormatName() const = 0;
 378   virtual /* Triple::ArchType */ unsigned getArch() const = 0;
 379
 380   /// For shared objects, returns the name which this object should be
 381   /// loaded from at runtime. This corresponds to DT_SONAME on ELF and
 382   /// LC_ID_DYLIB (install name) on MachO.
 383   virtual StringRef getLoadName() const = 0;
 384
 385   /// @returns Pointer to ObjectFile subclass to handle this type of object.
 386   /// @param ObjectPath The path to the object file. ObjectPath.isObject must
 387   ///        return true.
 388   /// @brief Create ObjectFile from path.
 389   static ObjectFile *createObjectFile(StringRef ObjectPath);
 390   static ObjectFile *createObjectFile(MemoryBuffer *Object);
 391
 392   static inline bool classof(const Binary *v) {
 393     return v->isObject();
 394   }
 395
 396 public:
 397   static ObjectFile *createCOFFObjectFile(MemoryBuffer *Object);
 398   static ObjectFile *createELFObjectFile(MemoryBuffer *Object);
 399   static ObjectFile *createMachOObjectFile(MemoryBuffer *Object);
 400 };
 401
 402 // Inline function definitions.
 403 inline SymbolRef::SymbolRef(DataRefImpl SymbolP, const ObjectFile *Owner)
 404   : SymbolPimpl(SymbolP)
 405   , OwningObject(Owner) {}
 406
 407 inline bool SymbolRef::operator==(const SymbolRef &Other) const {
 408   return SymbolPimpl == Other.SymbolPimpl;
 409 }
 410
 411 inline bool SymbolRef::operator<(const SymbolRef &Other) const {
 412   return SymbolPimpl < Other.SymbolPimpl;
 413 }
 414
 415 inline error_code SymbolRef::getNext(SymbolRef &Result) const {
 416   return OwningObject->getSymbolNext(SymbolPimpl, Result);
 417 }
 418
 419 inline error_code SymbolRef::getName(StringRef &Result) const {
 420   return OwningObject->getSymbolName(SymbolPimpl, Result);
 421 }
 422
 423 inline error_code SymbolRef::getAddress(uint64_t &Result) const {
 424   return OwningObject->getSymbolAddress(SymbolPimpl, Result);
 425 }
 426
 427 inline error_code SymbolRef::getFileOffset(uint64_t &Result) const {
 428   return OwningObject->getSymbolFileOffset(SymbolPimpl, Result);
 429 }
 430
 431 inline error_code SymbolRef::getSize(uint64_t &Result) const {
 432   return OwningObject->getSymbolSize(SymbolPimpl, Result);
 433 }
 434
 435 inline error_code SymbolRef::getNMTypeChar(char &Result) const {
 436   return OwningObject->getSymbolNMTypeChar(SymbolPimpl, Result);
 437 }
 438
 439 inline error_code SymbolRef::getFlags(uint32_t &Result) const {
 440   return OwningObject->getSymbolFlags(SymbolPimpl, Result);
 441 }
 442
 443 inline error_code SymbolRef::getSection(section_iterator &Result) const {
 444   return OwningObject->getSymbolSection(SymbolPimpl, Result);
 445 }
 446
 447 inline error_code SymbolRef::getType(SymbolRef::Type &Result) const {
 448   return OwningObject->getSymbolType(SymbolPimpl, Result);
 449 }
 450
 451 inline error_code SymbolRef::getValue(uint64_t &Val) const {
 452   return OwningObject->getSymbolValue(SymbolPimpl, Val);
 453 }
 454
 455 inline DataRefImpl SymbolRef::getRawDataRefImpl() const {
 456   return SymbolPimpl;
 457 }
 458
 459
 460 /// SectionRef
 461 inline SectionRef::SectionRef(DataRefImpl SectionP,
 462                               const ObjectFile *Owner)
 463   : SectionPimpl(SectionP)
 464   , OwningObject(Owner) {}
 465
 466 inline bool SectionRef::operator==(const SectionRef &Other) const {
 467   return SectionPimpl == Other.SectionPimpl;
 468 }
 469
 470 inline bool SectionRef::operator<(const SectionRef &Other) const {
 471   return SectionPimpl < Other.SectionPimpl;
 472 }
 473
 474 inline error_code SectionRef::getNext(SectionRef &Result) const {
 475   return OwningObject->getSectionNext(SectionPimpl, Result);
 476 }
 477
 478 inline error_code SectionRef::getName(StringRef &Result) const {
 479   return OwningObject->getSectionName(SectionPimpl, Result);
 480 }
 481
 482 inline error_code SectionRef::getAddress(uint64_t &Result) const {
 483   return OwningObject->getSectionAddress(SectionPimpl, Result);
 484 }
 485
 486 inline error_code SectionRef::getSize(uint64_t &Result) const {
 487   return OwningObject->getSectionSize(SectionPimpl, Result);
 488 }
 489
 490 inline error_code SectionRef::getContents(StringRef &Result) const {
 491   return OwningObject->getSectionContents(SectionPimpl, Result);
 492 }
 493
 494 inline error_code SectionRef::getAlignment(uint64_t &Result) const {
 495   return OwningObject->getSectionAlignment(SectionPimpl, Result);
 496 }
 497
 498 inline error_code SectionRef::isText(bool &Result) const {
 499   return OwningObject->isSectionText(SectionPimpl, Result);
 500 }
 501
 502 inline error_code SectionRef::isData(bool &Result) const {
 503   return OwningObject->isSectionData(SectionPimpl, Result);
 504 }
 505
 506 inline error_code SectionRef::isBSS(bool &Result) const {
 507   return OwningObject->isSectionBSS(SectionPimpl, Result);
 508 }
 509
 510 inline error_code SectionRef::isRequiredForExecution(bool &Result) const {
 511   return OwningObject->isSectionRequiredForExecution(SectionPimpl, Result);
 512 }
 513
 514 inline error_code SectionRef::isVirtual(bool &Result) const {
 515   return OwningObject->isSectionVirtual(SectionPimpl, Result);
 516 }
 517
 518 inline error_code SectionRef::isZeroInit(bool &Result) const {
 519   return OwningObject->isSectionZeroInit(SectionPimpl, Result);
 520 }
 521
 522 inline error_code SectionRef::isReadOnlyData(bool &Result) const {
 523   return OwningObject->isSectionReadOnlyData(SectionPimpl, Result);
 524 }
 525
 526 inline error_code SectionRef::containsSymbol(SymbolRef S, bool &Result) const {
 527   return OwningObject->sectionContainsSymbol(SectionPimpl, S.SymbolPimpl,
 528                                              Result);
 529 }
 530
 531 inline relocation_iterator SectionRef::begin_relocations() const {
 532   return OwningObject->getSectionRelBegin(SectionPimpl);
 533 }
 534
 535 inline relocation_iterator SectionRef::end_relocations() const {
 536   return OwningObject->getSectionRelEnd(SectionPimpl);
 537 }
 538
 539 inline DataRefImpl SectionRef::getRawDataRefImpl() const {
 540   return SectionPimpl;
 541 }
 542
 543 /// RelocationRef
 544 inline RelocationRef::RelocationRef(DataRefImpl RelocationP,
 545                               const ObjectFile *Owner)
 546   : RelocationPimpl(RelocationP)
 547   , OwningObject(Owner) {}
 548
 549 inline bool RelocationRef::operator==(const RelocationRef &Other) const {
 550   return RelocationPimpl == Other.RelocationPimpl;
 551 }
 552
 553 inline error_code RelocationRef::getNext(RelocationRef &Result) const {
 554   return OwningObject->getRelocationNext(RelocationPimpl, Result);
 555 }
 556
 557 inline error_code RelocationRef::getAddress(uint64_t &Result) const {
 558   return OwningObject->getRelocationAddress(RelocationPimpl, Result);
 559 }
 560
 561 inline error_code RelocationRef::getOffset(uint64_t &Result) const {
 562   return OwningObject->getRelocationOffset(RelocationPimpl, Result);
 563 }
 564
 565 inline error_code RelocationRef::getSymbol(SymbolRef &Result) const {
 566   return OwningObject->getRelocationSymbol(RelocationPimpl, Result);
 567 }
 568
 569 inline error_code RelocationRef::getType(uint64_t &Result) const {
 570   return OwningObject->getRelocationType(RelocationPimpl, Result);
 571 }
 572
 573 inline error_code RelocationRef::getTypeName(SmallVectorImpl<char> &Result)
 574   const {
 575   return OwningObject->getRelocationTypeName(RelocationPimpl, Result);
 576 }
 577
 578 inline error_code RelocationRef::getAdditionalInfo(int64_t &Result) const {
 579   return OwningObject->getRelocationAdditionalInfo(RelocationPimpl, Result);
 580 }
 581
 582 inline error_code RelocationRef::getValueString(SmallVectorImpl<char> &Result)
 583   const {
 584   return OwningObject->getRelocationValueString(RelocationPimpl, Result);
 585 }
 586
 587 inline error_code RelocationRef::getHidden(bool &Result) const {
 588   return OwningObject->getRelocationHidden(RelocationPimpl, Result);
 589 }
 590
 591 inline DataRefImpl RelocationRef::getRawDataRefImpl() const {
 592   return RelocationPimpl;
 593 }
 594
 595 // Inline function definitions.
 596 inline LibraryRef::LibraryRef(DataRefImpl LibraryP, const ObjectFile *Owner)
 597   : LibraryPimpl(LibraryP)
 598   , OwningObject(Owner) {}
 599
 600 inline bool LibraryRef::operator==(const LibraryRef &Other) const {
 601   return LibraryPimpl == Other.LibraryPimpl;
 602 }
 603
 604 inline bool LibraryRef::operator<(const LibraryRef &Other) const {
 605   return LibraryPimpl < Other.LibraryPimpl;
 606 }
 607
 608 inline error_code LibraryRef::getNext(LibraryRef &Result) const {
 609   return OwningObject->getLibraryNext(LibraryPimpl, Result);
 610 }
 611
 612 inline error_code LibraryRef::getPath(StringRef &Result) const {
 613   return OwningObject->getLibraryPath(LibraryPimpl, Result);
 614 }
 615
 616 } // end namespace object
 617 } // end namespace llvm
 618
 619 #endif