--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/tools/llvm-readobj/COFFDumper.cpp	Thu Dec 12 13:56:28 2013 +0900
@@ -0,0 +1,1114 @@
+//===-- COFFDumper.cpp - COFF-specific dumper -------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+///
+/// \file
+/// \brief This file implements the COFF-specific dumper for llvm-readobj.
+///
+//===----------------------------------------------------------------------===//
+
+#include "llvm-readobj.h"
+#include "ObjDumper.h"
+
+#include "Error.h"
+#include "StreamWriter.h"
+
+#include "llvm/ADT/DenseMap.h"
+#include "llvm/ADT/SmallString.h"
+#include "llvm/Object/COFF.h"
+#include "llvm/Object/ObjectFile.h"
+#include "llvm/Support/Casting.h"
+#include "llvm/Support/Compiler.h"
+#include "llvm/Support/Format.h"
+#include "llvm/Support/SourceMgr.h"
+#include "llvm/Support/Win64EH.h"
+#include "llvm/Support/raw_ostream.h"
+#include "llvm/Support/system_error.h"
+
+#include <algorithm>
+#include <cstring>
+#include <time.h>
+
+using namespace llvm;
+using namespace llvm::object;
+using namespace llvm::Win64EH;
+
+namespace {
+
+class COFFDumper : public ObjDumper {
+public:
+  COFFDumper(const llvm::object::COFFObjectFile *Obj, StreamWriter& Writer)
+    : ObjDumper(Writer)
+    , Obj(Obj) {
+    cacheRelocations();
+  }
+
+  virtual void printFileHeaders() LLVM_OVERRIDE;
+  virtual void printSections() LLVM_OVERRIDE;
+  virtual void printRelocations() LLVM_OVERRIDE;
+  virtual void printSymbols() LLVM_OVERRIDE;
+  virtual void printDynamicSymbols() LLVM_OVERRIDE;
+  virtual void printUnwindInfo() LLVM_OVERRIDE;
+
+private:
+  void printSymbol(symbol_iterator SymI);
+
+  void printRelocation(section_iterator SecI, relocation_iterator RelI);
+
+  void printDataDirectory(uint32_t Index, const std::string &FieldName);
+
+  void printX64UnwindInfo();
+
+  void printRuntimeFunction(
+    const RuntimeFunction& RTF,
+    uint64_t OffsetInSection,
+    const std::vector<RelocationRef> &Rels);
+
+  void printUnwindInfo(
+    const Win64EH::UnwindInfo& UI,
+    uint64_t OffsetInSection,
+    const std::vector<RelocationRef> &Rels);
+
+  void printUnwindCode(const Win64EH::UnwindInfo& UI, ArrayRef<UnwindCode> UCs);
+
+  void cacheRelocations();
+
+  error_code getSectionContents(
+    const std::vector<RelocationRef> &Rels,
+    uint64_t Offset,
+    ArrayRef<uint8_t> &Contents,
+    uint64_t &Addr);
+
+  error_code getSection(
+    const std::vector<RelocationRef> &Rels,
+    uint64_t Offset,
+    const coff_section **Section,
+    uint64_t *AddrPtr);
+
+  typedef DenseMap<const coff_section*, std::vector<RelocationRef> > RelocMapTy;
+
+  const llvm::object::COFFObjectFile *Obj;
+  RelocMapTy RelocMap;
+  std::vector<RelocationRef> EmptyRelocs;
+};
+
+} // namespace
+
+
+namespace llvm {
+
+error_code createCOFFDumper(const object::ObjectFile *Obj,
+                            StreamWriter& Writer,
+                            OwningPtr<ObjDumper> &Result) {
+  const COFFObjectFile *COFFObj = dyn_cast<COFFObjectFile>(Obj);
+  if (!COFFObj)
+    return readobj_error::unsupported_obj_file_format;
+
+  Result.reset(new COFFDumper(COFFObj, Writer));
+  return readobj_error::success;
+}
+
+} // namespace llvm
+
+
+// Returns the name of the unwind code.
+static StringRef getUnwindCodeTypeName(uint8_t Code) {
+  switch(Code) {
+  default: llvm_unreachable("Invalid unwind code");
+  case UOP_PushNonVol: return "PUSH_NONVOL";
+  case UOP_AllocLarge: return "ALLOC_LARGE";
+  case UOP_AllocSmall: return "ALLOC_SMALL";
+  case UOP_SetFPReg: return "SET_FPREG";
+  case UOP_SaveNonVol: return "SAVE_NONVOL";
+  case UOP_SaveNonVolBig: return "SAVE_NONVOL_FAR";
+  case UOP_SaveXMM128: return "SAVE_XMM128";
+  case UOP_SaveXMM128Big: return "SAVE_XMM128_FAR";
+  case UOP_PushMachFrame: return "PUSH_MACHFRAME";
+  }
+}
+
+// Returns the name of a referenced register.
+static StringRef getUnwindRegisterName(uint8_t Reg) {
+  switch(Reg) {
+  default: llvm_unreachable("Invalid register");
+  case 0: return "RAX";
+  case 1: return "RCX";
+  case 2: return "RDX";
+  case 3: return "RBX";
+  case 4: return "RSP";
+  case 5: return "RBP";
+  case 6: return "RSI";
+  case 7: return "RDI";
+  case 8: return "R8";
+  case 9: return "R9";
+  case 10: return "R10";
+  case 11: return "R11";
+  case 12: return "R12";
+  case 13: return "R13";
+  case 14: return "R14";
+  case 15: return "R15";
+  }
+}
+
+// Calculates the number of array slots required for the unwind code.
+static unsigned getNumUsedSlots(const UnwindCode &UnwindCode) {
+  switch (UnwindCode.getUnwindOp()) {
+  default: llvm_unreachable("Invalid unwind code");
+  case UOP_PushNonVol:
+  case UOP_AllocSmall:
+  case UOP_SetFPReg:
+  case UOP_PushMachFrame:
+    return 1;
+  case UOP_SaveNonVol:
+  case UOP_SaveXMM128:
+    return 2;
+  case UOP_SaveNonVolBig:
+  case UOP_SaveXMM128Big:
+    return 3;
+  case UOP_AllocLarge:
+    return (UnwindCode.getOpInfo() == 0) ? 2 : 3;
+  }
+}
+
+// Given a symbol sym this functions returns the address and section of it.
+static error_code resolveSectionAndAddress(const COFFObjectFile *Obj,
+                                           const SymbolRef &Sym,
+                                           const coff_section *&ResolvedSection,
+                                           uint64_t &ResolvedAddr) {
+  if (error_code EC = Sym.getAddress(ResolvedAddr))
+    return EC;
+
+  section_iterator iter(Obj->begin_sections());
+  if (error_code EC = Sym.getSection(iter))
+    return EC;
+
+  ResolvedSection = Obj->getCOFFSection(iter);
+  return object_error::success;
+}
+
+// Given a vector of relocations for a section and an offset into this section
+// the function returns the symbol used for the relocation at the offset.
+static error_code resolveSymbol(const std::vector<RelocationRef> &Rels,
+                                uint64_t Offset, SymbolRef &Sym) {
+  for (std::vector<RelocationRef>::const_iterator RelI = Rels.begin(),
+                                                  RelE = Rels.end();
+                                                  RelI != RelE; ++RelI) {
+    uint64_t Ofs;
+    if (error_code EC = RelI->getOffset(Ofs))
+      return EC;
+
+    if (Ofs == Offset) {
+      Sym = *RelI->getSymbol();
+      return readobj_error::success;
+    }
+  }
+
+  return readobj_error::unknown_symbol;
+}
+
+// Given a vector of relocations for a section and an offset into this section
+// the function returns the name of the symbol used for the relocation at the
+// offset.
+static error_code resolveSymbolName(const std::vector<RelocationRef> &Rels,
+                                    uint64_t Offset, StringRef &Name) {
+  SymbolRef Sym;
+  if (error_code EC = resolveSymbol(Rels, Offset, Sym)) return EC;
+  if (error_code EC = Sym.getName(Name)) return EC;
+  return object_error::success;
+}
+
+static const EnumEntry<COFF::MachineTypes> ImageFileMachineType[] = {
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_UNKNOWN  ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AM33     ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_AMD64    ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARM      ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_ARMV7    ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_EBC      ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_I386     ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_IA64     ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_M32R     ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPS16   ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU  ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_MIPSFPU16),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPC  ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_POWERPCFP),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_R4000    ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3      ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH3DSP   ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH4      ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_SH5      ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_THUMB    ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_MACHINE_WCEMIPSV2)
+};
+
+static const EnumEntry<COFF::Characteristics> ImageFileCharacteristics[] = {
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_RELOCS_STRIPPED        ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_EXECUTABLE_IMAGE       ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LINE_NUMS_STRIPPED     ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LOCAL_SYMS_STRIPPED    ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_AGGRESSIVE_WS_TRIM     ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_LARGE_ADDRESS_AWARE    ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_LO      ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_32BIT_MACHINE          ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DEBUG_STRIPPED         ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_REMOVABLE_RUN_FROM_SWAP),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_NET_RUN_FROM_SWAP      ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_SYSTEM                 ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_DLL                    ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_UP_SYSTEM_ONLY         ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_FILE_BYTES_REVERSED_HI      )
+};
+
+static const EnumEntry<COFF::WindowsSubsystem> PEWindowsSubsystem[] = {
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_UNKNOWN                ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_NATIVE                 ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_GUI            ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CUI            ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_POSIX_CUI              ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_WINDOWS_CE_GUI         ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_APPLICATION        ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_BOOT_SERVICE_DRIVER),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_RUNTIME_DRIVER     ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_EFI_ROM                ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SUBSYSTEM_XBOX                   ),
+};
+
+static const EnumEntry<COFF::DLLCharacteristics> PEDLLCharacteristics[] = {
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_DYNAMIC_BASE         ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_FORCE_INTEGRITY      ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NX_COMPAT            ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_ISOLATION         ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_SEH               ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_NO_BIND              ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_WDM_DRIVER           ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_DLL_CHARACTERISTICS_TERMINAL_SERVER_AWARE),
+};
+
+static const EnumEntry<COFF::SectionCharacteristics>
+ImageSectionCharacteristics[] = {
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_TYPE_NO_PAD           ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_CODE              ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_INITIALIZED_DATA  ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_CNT_UNINITIALIZED_DATA),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_OTHER             ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_INFO              ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_REMOVE            ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_COMDAT            ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_GPREL                 ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PURGEABLE         ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_16BIT             ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_LOCKED            ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_PRELOAD           ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1BYTES          ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2BYTES          ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4BYTES          ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8BYTES          ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_16BYTES         ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_32BYTES         ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_64BYTES         ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_128BYTES        ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_256BYTES        ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_512BYTES        ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_1024BYTES       ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_2048BYTES       ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_4096BYTES       ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_ALIGN_8192BYTES       ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_LNK_NRELOC_OVFL       ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_DISCARDABLE       ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_CACHED        ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_NOT_PAGED         ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_SHARED            ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_EXECUTE           ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_READ              ),
+  LLVM_READOBJ_ENUM_ENT(COFF, IMAGE_SCN_MEM_WRITE             )
+};
+
+static const EnumEntry<COFF::SymbolBaseType> ImageSymType[] = {
+  { "Null"  , COFF::IMAGE_SYM_TYPE_NULL   },
+  { "Void"  , COFF::IMAGE_SYM_TYPE_VOID   },
+  { "Char"  , COFF::IMAGE_SYM_TYPE_CHAR   },
+  { "Short" , COFF::IMAGE_SYM_TYPE_SHORT  },
+  { "Int"   , COFF::IMAGE_SYM_TYPE_INT    },
+  { "Long"  , COFF::IMAGE_SYM_TYPE_LONG   },
+  { "Float" , COFF::IMAGE_SYM_TYPE_FLOAT  },
+  { "Double", COFF::IMAGE_SYM_TYPE_DOUBLE },
+  { "Struct", COFF::IMAGE_SYM_TYPE_STRUCT },
+  { "Union" , COFF::IMAGE_SYM_TYPE_UNION  },
+  { "Enum"  , COFF::IMAGE_SYM_TYPE_ENUM   },
+  { "MOE"   , COFF::IMAGE_SYM_TYPE_MOE    },
+  { "Byte"  , COFF::IMAGE_SYM_TYPE_BYTE   },
+  { "Word"  , COFF::IMAGE_SYM_TYPE_WORD   },
+  { "UInt"  , COFF::IMAGE_SYM_TYPE_UINT   },
+  { "DWord" , COFF::IMAGE_SYM_TYPE_DWORD  }
+};
+
+static const EnumEntry<COFF::SymbolComplexType> ImageSymDType[] = {
+  { "Null"    , COFF::IMAGE_SYM_DTYPE_NULL     },
+  { "Pointer" , COFF::IMAGE_SYM_DTYPE_POINTER  },
+  { "Function", COFF::IMAGE_SYM_DTYPE_FUNCTION },
+  { "Array"   , COFF::IMAGE_SYM_DTYPE_ARRAY    }
+};
+
+static const EnumEntry<COFF::SymbolStorageClass> ImageSymClass[] = {
+  { "EndOfFunction"  , COFF::IMAGE_SYM_CLASS_END_OF_FUNCTION  },
+  { "Null"           , COFF::IMAGE_SYM_CLASS_NULL             },
+  { "Automatic"      , COFF::IMAGE_SYM_CLASS_AUTOMATIC        },
+  { "External"       , COFF::IMAGE_SYM_CLASS_EXTERNAL         },
+  { "Static"         , COFF::IMAGE_SYM_CLASS_STATIC           },
+  { "Register"       , COFF::IMAGE_SYM_CLASS_REGISTER         },
+  { "ExternalDef"    , COFF::IMAGE_SYM_CLASS_EXTERNAL_DEF     },
+  { "Label"          , COFF::IMAGE_SYM_CLASS_LABEL            },
+  { "UndefinedLabel" , COFF::IMAGE_SYM_CLASS_UNDEFINED_LABEL  },
+  { "MemberOfStruct" , COFF::IMAGE_SYM_CLASS_MEMBER_OF_STRUCT },
+  { "Argument"       , COFF::IMAGE_SYM_CLASS_ARGUMENT         },
+  { "StructTag"      , COFF::IMAGE_SYM_CLASS_STRUCT_TAG       },
+  { "MemberOfUnion"  , COFF::IMAGE_SYM_CLASS_MEMBER_OF_UNION  },
+  { "UnionTag"       , COFF::IMAGE_SYM_CLASS_UNION_TAG        },
+  { "TypeDefinition" , COFF::IMAGE_SYM_CLASS_TYPE_DEFINITION  },
+  { "UndefinedStatic", COFF::IMAGE_SYM_CLASS_UNDEFINED_STATIC },
+  { "EnumTag"        , COFF::IMAGE_SYM_CLASS_ENUM_TAG         },
+  { "MemberOfEnum"   , COFF::IMAGE_SYM_CLASS_MEMBER_OF_ENUM   },
+  { "RegisterParam"  , COFF::IMAGE_SYM_CLASS_REGISTER_PARAM   },
+  { "BitField"       , COFF::IMAGE_SYM_CLASS_BIT_FIELD        },
+  { "Block"          , COFF::IMAGE_SYM_CLASS_BLOCK            },
+  { "Function"       , COFF::IMAGE_SYM_CLASS_FUNCTION         },
+  { "EndOfStruct"    , COFF::IMAGE_SYM_CLASS_END_OF_STRUCT    },
+  { "File"           , COFF::IMAGE_SYM_CLASS_FILE             },
+  { "Section"        , COFF::IMAGE_SYM_CLASS_SECTION          },
+  { "WeakExternal"   , COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL    },
+  { "CLRToken"       , COFF::IMAGE_SYM_CLASS_CLR_TOKEN        }
+};
+
+static const EnumEntry<COFF::COMDATType> ImageCOMDATSelect[] = {
+  { "NoDuplicates", COFF::IMAGE_COMDAT_SELECT_NODUPLICATES },
+  { "Any"         , COFF::IMAGE_COMDAT_SELECT_ANY          },
+  { "SameSize"    , COFF::IMAGE_COMDAT_SELECT_SAME_SIZE    },
+  { "ExactMatch"  , COFF::IMAGE_COMDAT_SELECT_EXACT_MATCH  },
+  { "Associative" , COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE  },
+  { "Largest"     , COFF::IMAGE_COMDAT_SELECT_LARGEST      },
+  { "Newest"      , COFF::IMAGE_COMDAT_SELECT_NEWEST       }
+};
+
+static const EnumEntry<COFF::WeakExternalCharacteristics>
+WeakExternalCharacteristics[] = {
+  { "NoLibrary", COFF::IMAGE_WEAK_EXTERN_SEARCH_NOLIBRARY },
+  { "Library"  , COFF::IMAGE_WEAK_EXTERN_SEARCH_LIBRARY   },
+  { "Alias"    , COFF::IMAGE_WEAK_EXTERN_SEARCH_ALIAS     }
+};
+
+static const EnumEntry<unsigned> UnwindFlags[] = {
+  { "ExceptionHandler", Win64EH::UNW_ExceptionHandler },
+  { "TerminateHandler", Win64EH::UNW_TerminateHandler },
+  { "ChainInfo"       , Win64EH::UNW_ChainInfo        }
+};
+
+static const EnumEntry<unsigned> UnwindOpInfo[] = {
+  { "RAX",  0 },
+  { "RCX",  1 },
+  { "RDX",  2 },
+  { "RBX",  3 },
+  { "RSP",  4 },
+  { "RBP",  5 },
+  { "RSI",  6 },
+  { "RDI",  7 },
+  { "R8",   8 },
+  { "R9",   9 },
+  { "R10", 10 },
+  { "R11", 11 },
+  { "R12", 12 },
+  { "R13", 13 },
+  { "R14", 14 },
+  { "R15", 15 }
+};
+
+// Some additional COFF structures not defined by llvm::object.
+namespace {
+  struct coff_aux_function_definition {
+    support::ulittle32_t TagIndex;
+    support::ulittle32_t TotalSize;
+    support::ulittle32_t PointerToLineNumber;
+    support::ulittle32_t PointerToNextFunction;
+    uint8_t Unused[2];
+  };
+
+  struct coff_aux_weak_external_definition {
+    support::ulittle32_t TagIndex;
+    support::ulittle32_t Characteristics;
+    uint8_t Unused[10];
+  };
+
+  struct coff_aux_file_record {
+    char FileName[18];
+  };
+
+  struct coff_aux_clr_token {
+    support::ulittle8_t AuxType;
+    support::ulittle8_t Reserved;
+    support::ulittle32_t SymbolTableIndex;
+    uint8_t Unused[12];
+  };
+} // namespace
+
+static uint64_t getOffsetOfLSDA(const Win64EH::UnwindInfo& UI) {
+  return static_cast<const char*>(UI.getLanguageSpecificData())
+         - reinterpret_cast<const char*>(&UI);
+}
+
+static uint32_t getLargeSlotValue(ArrayRef<UnwindCode> UCs) {
+  if (UCs.size() < 3)
+    return 0;
+
+  return UCs[1].FrameOffset + (static_cast<uint32_t>(UCs[2].FrameOffset) << 16);
+}
+
+template<typename T>
+static error_code getSymbolAuxData(const COFFObjectFile *Obj,
+                                   const coff_symbol *Symbol, const T* &Aux) {
+  ArrayRef<uint8_t> AuxData = Obj->getSymbolAuxData(Symbol);
+  Aux = reinterpret_cast<const T*>(AuxData.data());
+  return readobj_error::success;
+}
+
+static std::string formatSymbol(const std::vector<RelocationRef> &Rels,
+                                uint64_t Offset, uint32_t Disp) {
+  std::string Buffer;
+  raw_string_ostream Str(Buffer);
+
+  StringRef Sym;
+  if (resolveSymbolName(Rels, Offset, Sym)) {
+    Str << format(" (0x%" PRIX64 ")", Offset);
+    return Str.str();
+  }
+
+  Str << Sym;
+  if (Disp > 0) {
+    Str << format(" +0x%X (0x%" PRIX64 ")", Disp, Offset);
+  } else {
+    Str << format(" (0x%" PRIX64 ")", Offset);
+  }
+
+  return Str.str();
+}
+
+// Given a vector of relocations for a section and an offset into this section
+// the function resolves the symbol used for the relocation at the offset and
+// returns the section content and the address inside the content pointed to
+// by the symbol.
+error_code COFFDumper::getSectionContents(
+    const std::vector<RelocationRef> &Rels, uint64_t Offset,
+    ArrayRef<uint8_t> &Contents, uint64_t &Addr) {
+
+  SymbolRef Sym;
+  const coff_section *Section;
+
+  if (error_code EC = resolveSymbol(Rels, Offset, Sym))
+    return EC;
+  if (error_code EC = resolveSectionAndAddress(Obj, Sym, Section, Addr))
+    return EC;
+  if (error_code EC = Obj->getSectionContents(Section, Contents))
+    return EC;
+
+  return object_error::success;
+}
+
+error_code COFFDumper::getSection(
+    const std::vector<RelocationRef> &Rels, uint64_t Offset,
+    const coff_section **SectionPtr, uint64_t *AddrPtr) {
+
+  SymbolRef Sym;
+  if (error_code EC = resolveSymbol(Rels, Offset, Sym))
+    return EC;
+
+  const coff_section *Section;
+  uint64_t Addr;
+  if (error_code EC = resolveSectionAndAddress(Obj, Sym, Section, Addr))
+    return EC;
+
+  if (SectionPtr)
+    *SectionPtr = Section;
+  if (AddrPtr)
+    *AddrPtr = Addr;
+
+  return object_error::success;
+}
+
+void COFFDumper::cacheRelocations() {
+  error_code EC;
+  for (section_iterator SecI = Obj->begin_sections(),
+                        SecE = Obj->end_sections();
+                        SecI != SecE; SecI.increment(EC)) {
+    if (error(EC))
+      break;
+
+    const coff_section *Section = Obj->getCOFFSection(SecI);
+
+    for (relocation_iterator RelI = SecI->begin_relocations(),
+                             RelE = SecI->end_relocations();
+                             RelI != RelE; RelI.increment(EC)) {
+      if (error(EC))
+        break;
+
+      RelocMap[Section].push_back(*RelI);
+    }
+
+    // Sort relocations by address.
+    std::sort(RelocMap[Section].begin(), RelocMap[Section].end(),
+              relocAddressLess);
+  }
+}
+
+void COFFDumper::printDataDirectory(uint32_t Index, const std::string &FieldName) {
+  const data_directory *Data;
+  if (Obj->getDataDirectory(Index, Data))
+    return;
+  W.printHex(FieldName + "RVA", Data->RelativeVirtualAddress);
+  W.printHex(FieldName + "Size", Data->Size);
+}
+
+void COFFDumper::printFileHeaders() {
+  // Print COFF header
+  const coff_file_header *COFFHeader = 0;
+  if (error(Obj->getCOFFHeader(COFFHeader)))
+    return;
+
+  time_t TDS = COFFHeader->TimeDateStamp;
+  char FormattedTime[20] = { };
+  strftime(FormattedTime, 20, "%Y-%m-%d %H:%M:%S", gmtime(&TDS));
+
+  {
+    DictScope D(W, "ImageFileHeader");
+    W.printEnum  ("Machine", COFFHeader->Machine,
+                    makeArrayRef(ImageFileMachineType));
+    W.printNumber("SectionCount", COFFHeader->NumberOfSections);
+    W.printHex   ("TimeDateStamp", FormattedTime, COFFHeader->TimeDateStamp);
+    W.printHex   ("PointerToSymbolTable", COFFHeader->PointerToSymbolTable);
+    W.printNumber("SymbolCount", COFFHeader->NumberOfSymbols);
+    W.printNumber("OptionalHeaderSize", COFFHeader->SizeOfOptionalHeader);
+    W.printFlags ("Characteristics", COFFHeader->Characteristics,
+                    makeArrayRef(ImageFileCharacteristics));
+  }
+
+  // Print PE header. This header does not exist if this is an object file and
+  // not an executable.
+  const pe32_header *PEHeader = 0;
+  if (error(Obj->getPE32Header(PEHeader)))
+    return;
+
+  if (PEHeader) {
+    DictScope D(W, "ImageOptionalHeader");
+    W.printNumber("MajorLinkerVersion", PEHeader->MajorLinkerVersion);
+    W.printNumber("MinorLinkerVersion", PEHeader->MinorLinkerVersion);
+    W.printNumber("SizeOfCode", PEHeader->SizeOfCode);
+    W.printNumber("SizeOfInitializedData", PEHeader->SizeOfInitializedData);
+    W.printNumber("SizeOfUninitializedData", PEHeader->SizeOfUninitializedData);
+    W.printHex   ("AddressOfEntryPoint", PEHeader->AddressOfEntryPoint);
+    W.printHex   ("BaseOfCode", PEHeader->BaseOfCode);
+    W.printHex   ("BaseOfData", PEHeader->BaseOfData);
+    W.printHex   ("ImageBase", PEHeader->ImageBase);
+    W.printNumber("SectionAlignment", PEHeader->SectionAlignment);
+    W.printNumber("FileAlignment", PEHeader->FileAlignment);
+    W.printNumber("MajorOperatingSystemVersion",
+                  PEHeader->MajorOperatingSystemVersion);
+    W.printNumber("MinorOperatingSystemVersion",
+                  PEHeader->MinorOperatingSystemVersion);
+    W.printNumber("MajorImageVersion", PEHeader->MajorImageVersion);
+    W.printNumber("MinorImageVersion", PEHeader->MinorImageVersion);
+    W.printNumber("MajorSubsystemVersion", PEHeader->MajorSubsystemVersion);
+    W.printNumber("MinorSubsystemVersion", PEHeader->MinorSubsystemVersion);
+    W.printNumber("SizeOfImage", PEHeader->SizeOfImage);
+    W.printNumber("SizeOfHeaders", PEHeader->SizeOfHeaders);
+    W.printEnum  ("Subsystem", PEHeader->Subsystem,
+                    makeArrayRef(PEWindowsSubsystem));
+    W.printFlags ("Subsystem", PEHeader->DLLCharacteristics,
+                    makeArrayRef(PEDLLCharacteristics));
+    W.printNumber("SizeOfStackReserve", PEHeader->SizeOfStackReserve);
+    W.printNumber("SizeOfStackCommit", PEHeader->SizeOfStackCommit);
+    W.printNumber("SizeOfHeapReserve", PEHeader->SizeOfHeapReserve);
+    W.printNumber("SizeOfHeapCommit", PEHeader->SizeOfHeapCommit);
+    W.printNumber("NumberOfRvaAndSize", PEHeader->NumberOfRvaAndSize);
+
+    if (PEHeader->NumberOfRvaAndSize > 0) {
+      DictScope D(W, "DataDirectory");
+      static const char * const directory[] = {
+        "ExportTable", "ImportTable", "ResourceTable", "ExceptionTable",
+        "CertificateTable", "BaseRelocationTable", "Debug", "Architecture",
+        "GlobalPtr", "TLSTable", "LoadConfigTable", "BoundImport", "IAT",
+        "DelayImportDescriptor", "CLRRuntimeHeader", "Reserved"
+      };
+
+      for (uint32_t i = 0; i < PEHeader->NumberOfRvaAndSize; ++i) {
+        printDataDirectory(i, directory[i]);
+      }
+    }
+  }
+}
+
+void COFFDumper::printSections() {
+  error_code EC;
+
+  ListScope SectionsD(W, "Sections");
+  int SectionNumber = 0;
+  for (section_iterator SecI = Obj->begin_sections(),
+                        SecE = Obj->end_sections();
+                        SecI != SecE; SecI.increment(EC)) {
+    if (error(EC))
+      break;
+
+    ++SectionNumber;
+    const coff_section *Section = Obj->getCOFFSection(SecI);
+
+    StringRef Name;
+    if (error(SecI->getName(Name)))
+        Name = "";
+
+    DictScope D(W, "Section");
+    W.printNumber("Number", SectionNumber);
+    W.printBinary("Name", Name, Section->Name);
+    W.printHex   ("VirtualSize", Section->VirtualSize);
+    W.printHex   ("VirtualAddress", Section->VirtualAddress);
+    W.printNumber("RawDataSize", Section->SizeOfRawData);
+    W.printHex   ("PointerToRawData", Section->PointerToRawData);
+    W.printHex   ("PointerToRelocations", Section->PointerToRelocations);
+    W.printHex   ("PointerToLineNumbers", Section->PointerToLinenumbers);
+    W.printNumber("RelocationCount", Section->NumberOfRelocations);
+    W.printNumber("LineNumberCount", Section->NumberOfLinenumbers);
+    W.printFlags ("Characteristics", Section->Characteristics,
+                    makeArrayRef(ImageSectionCharacteristics),
+                    COFF::SectionCharacteristics(0x00F00000));
+
+    if (opts::SectionRelocations) {
+      ListScope D(W, "Relocations");
+      for (relocation_iterator RelI = SecI->begin_relocations(),
+                               RelE = SecI->end_relocations();
+                               RelI != RelE; RelI.increment(EC)) {
+        if (error(EC)) break;
+
+        printRelocation(SecI, RelI);
+      }
+    }
+
+    if (opts::SectionSymbols) {
+      ListScope D(W, "Symbols");
+      for (symbol_iterator SymI = Obj->begin_symbols(),
+                           SymE = Obj->end_symbols();
+                           SymI != SymE; SymI.increment(EC)) {
+        if (error(EC)) break;
+
+        bool Contained = false;
+        if (SecI->containsSymbol(*SymI, Contained) || !Contained)
+          continue;
+
+        printSymbol(SymI);
+      }
+    }
+
+    if (opts::SectionData) {
+      StringRef Data;
+      if (error(SecI->getContents(Data))) break;
+
+      W.printBinaryBlock("SectionData", Data);
+    }
+  }
+}
+
+void COFFDumper::printRelocations() {
+  ListScope D(W, "Relocations");
+
+  error_code EC;
+  int SectionNumber = 0;
+  for (section_iterator SecI = Obj->begin_sections(),
+                        SecE = Obj->end_sections();
+                        SecI != SecE; SecI.increment(EC)) {
+    ++SectionNumber;
+    if (error(EC))
+      break;
+
+    StringRef Name;
+    if (error(SecI->getName(Name)))
+      continue;
+
+    bool PrintedGroup = false;
+    for (relocation_iterator RelI = SecI->begin_relocations(),
+                             RelE = SecI->end_relocations();
+                             RelI != RelE; RelI.increment(EC)) {
+      if (error(EC)) break;
+
+      if (!PrintedGroup) {
+        W.startLine() << "Section (" << SectionNumber << ") " << Name << " {\n";
+        W.indent();
+        PrintedGroup = true;
+      }
+
+      printRelocation(SecI, RelI);
+    }
+
+    if (PrintedGroup) {
+      W.unindent();
+      W.startLine() << "}\n";
+    }
+  }
+}
+
+void COFFDumper::printRelocation(section_iterator SecI,
+                                 relocation_iterator RelI) {
+  uint64_t Offset;
+  uint64_t RelocType;
+  SmallString<32> RelocName;
+  StringRef SymbolName;
+  StringRef Contents;
+  if (error(RelI->getOffset(Offset))) return;
+  if (error(RelI->getType(RelocType))) return;
+  if (error(RelI->getTypeName(RelocName))) return;
+  symbol_iterator Symbol = RelI->getSymbol();
+  if (error(Symbol->getName(SymbolName))) return;
+  if (error(SecI->getContents(Contents))) return;
+
+  if (opts::ExpandRelocs) {
+    DictScope Group(W, "Relocation");
+    W.printHex("Offset", Offset);
+    W.printNumber("Type", RelocName, RelocType);
+    W.printString("Symbol", SymbolName.size() > 0 ? SymbolName : "-");
+  } else {
+    raw_ostream& OS = W.startLine();
+    OS << W.hex(Offset)
+       << " " << RelocName
+       << " " << (SymbolName.size() > 0 ? SymbolName : "-")
+       << "\n";
+  }
+}
+
+void COFFDumper::printSymbols() {
+  ListScope Group(W, "Symbols");
+
+  error_code EC;
+  for (symbol_iterator SymI = Obj->begin_symbols(),
+                       SymE = Obj->end_symbols();
+                       SymI != SymE; SymI.increment(EC)) {
+    if (error(EC)) break;
+
+    printSymbol(SymI);
+  }
+}
+
+void COFFDumper::printDynamicSymbols() {
+  ListScope Group(W, "DynamicSymbols");
+}
+
+void COFFDumper::printSymbol(symbol_iterator SymI) {
+  DictScope D(W, "Symbol");
+
+  const coff_symbol *Symbol = Obj->getCOFFSymbol(SymI);
+  const coff_section *Section;
+  if (error_code EC = Obj->getSection(Symbol->SectionNumber, Section)) {
+    W.startLine() << "Invalid section number: " << EC.message() << "\n";
+    W.flush();
+    return;
+  }
+
+  StringRef SymbolName;
+  if (Obj->getSymbolName(Symbol, SymbolName))
+    SymbolName = "";
+
+  StringRef SectionName = "";
+  if (Section)
+    Obj->getSectionName(Section, SectionName);
+
+  W.printString("Name", SymbolName);
+  W.printNumber("Value", Symbol->Value);
+  W.printNumber("Section", SectionName, Symbol->SectionNumber);
+  W.printEnum  ("BaseType", Symbol->getBaseType(), makeArrayRef(ImageSymType));
+  W.printEnum  ("ComplexType", Symbol->getComplexType(),
+                                                   makeArrayRef(ImageSymDType));
+  W.printEnum  ("StorageClass", Symbol->StorageClass,
+                                                   makeArrayRef(ImageSymClass));
+  W.printNumber("AuxSymbolCount", Symbol->NumberOfAuxSymbols);
+
+  for (unsigned I = 0; I < Symbol->NumberOfAuxSymbols; ++I) {
+    if (Symbol->StorageClass     == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
+        Symbol->getBaseType()    == COFF::IMAGE_SYM_TYPE_NULL &&
+        Symbol->getComplexType() == COFF::IMAGE_SYM_DTYPE_FUNCTION &&
+        Symbol->SectionNumber > 0) {
+      const coff_aux_function_definition *Aux;
+      if (error(getSymbolAuxData(Obj, Symbol + I, Aux)))
+        break;
+
+      DictScope AS(W, "AuxFunctionDef");
+      W.printNumber("TagIndex", Aux->TagIndex);
+      W.printNumber("TotalSize", Aux->TotalSize);
+      W.printHex("PointerToLineNumber", Aux->PointerToLineNumber);
+      W.printHex("PointerToNextFunction", Aux->PointerToNextFunction);
+      W.printBinary("Unused", makeArrayRef(Aux->Unused));
+
+    } else if (
+        Symbol->StorageClass   == COFF::IMAGE_SYM_CLASS_WEAK_EXTERNAL ||
+        (Symbol->StorageClass  == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
+         Symbol->SectionNumber == 0 &&
+         Symbol->Value         == 0)) {
+      const coff_aux_weak_external_definition *Aux;
+      if (error(getSymbolAuxData(Obj, Symbol + I, Aux)))
+        break;
+
+      const coff_symbol *Linked;
+      StringRef LinkedName;
+      error_code EC;
+      if ((EC = Obj->getSymbol(Aux->TagIndex, Linked)) ||
+          (EC = Obj->getSymbolName(Linked, LinkedName))) {
+        LinkedName = "";
+        error(EC);
+      }
+
+      DictScope AS(W, "AuxWeakExternal");
+      W.printNumber("Linked", LinkedName, Aux->TagIndex);
+      W.printEnum  ("Search", Aux->Characteristics,
+                    makeArrayRef(WeakExternalCharacteristics));
+      W.printBinary("Unused", Aux->Unused);
+
+    } else if (Symbol->StorageClass == COFF::IMAGE_SYM_CLASS_FILE) {
+      const coff_aux_file_record *Aux;
+      if (error(getSymbolAuxData(Obj, Symbol + I, Aux)))
+        break;
+
+      DictScope AS(W, "AuxFileRecord");
+      W.printString("FileName", StringRef(Aux->FileName));
+
+    } else if (Symbol->StorageClass == COFF::IMAGE_SYM_CLASS_STATIC ||
+               (Symbol->StorageClass == COFF::IMAGE_SYM_CLASS_EXTERNAL &&
+                Symbol->SectionNumber != COFF::IMAGE_SYM_UNDEFINED)) {
+      const coff_aux_section_definition *Aux;
+      if (error(getSymbolAuxData(Obj, Symbol + I, Aux)))
+        break;
+
+      DictScope AS(W, "AuxSectionDef");
+      W.printNumber("Length", Aux->Length);
+      W.printNumber("RelocationCount", Aux->NumberOfRelocations);
+      W.printNumber("LineNumberCount", Aux->NumberOfLinenumbers);
+      W.printHex("Checksum", Aux->CheckSum);
+      W.printNumber("Number", Aux->Number);
+      W.printEnum("Selection", Aux->Selection, makeArrayRef(ImageCOMDATSelect));
+      W.printBinary("Unused", makeArrayRef(Aux->Unused));
+
+      if (Section && Section->Characteristics & COFF::IMAGE_SCN_LNK_COMDAT
+          && Aux->Selection == COFF::IMAGE_COMDAT_SELECT_ASSOCIATIVE) {
+        const coff_section *Assoc;
+        StringRef AssocName;
+        error_code EC;
+        if ((EC = Obj->getSection(Aux->Number, Assoc)) ||
+            (EC = Obj->getSectionName(Assoc, AssocName))) {
+          AssocName = "";
+          error(EC);
+        }
+
+        W.printNumber("AssocSection", AssocName, Aux->Number);
+      }
+    } else if (Symbol->StorageClass == COFF::IMAGE_SYM_CLASS_CLR_TOKEN) {
+      const coff_aux_clr_token *Aux;
+      if (error(getSymbolAuxData(Obj, Symbol + I, Aux)))
+        break;
+
+      DictScope AS(W, "AuxCLRToken");
+      W.printNumber("AuxType", Aux->AuxType);
+      W.printNumber("Reserved", Aux->Reserved);
+      W.printNumber("SymbolTableIndex", Aux->SymbolTableIndex);
+      W.printBinary("Unused", Aux->Unused);
+
+    } else {
+      W.startLine() << "<unhandled auxiliary record>\n";
+    }
+  }
+}
+
+void COFFDumper::printUnwindInfo() {
+  const coff_file_header *Header;
+  if (error(Obj->getCOFFHeader(Header)))
+    return;
+
+  ListScope D(W, "UnwindInformation");
+  if (Header->Machine != COFF::IMAGE_FILE_MACHINE_AMD64) {
+    W.startLine() << "Unsupported image machine type "
+              "(currently only AMD64 is supported).\n";
+    return;
+  }
+
+  printX64UnwindInfo();
+}
+
+void COFFDumper::printX64UnwindInfo() {
+  error_code EC;
+  for (section_iterator SecI = Obj->begin_sections(),
+                        SecE = Obj->end_sections();
+                        SecI != SecE; SecI.increment(EC)) {
+    if (error(EC)) break;
+
+    StringRef Name;
+    if (error(SecI->getName(Name)))
+      continue;
+    if (Name != ".pdata" && !Name.startswith(".pdata$"))
+      continue;
+
+    const coff_section *PData = Obj->getCOFFSection(SecI);
+
+    ArrayRef<uint8_t> Contents;
+    if (error(Obj->getSectionContents(PData, Contents)) ||
+        Contents.empty())
+      continue;
+
+    ArrayRef<RuntimeFunction> RFs(
+      reinterpret_cast<const RuntimeFunction *>(Contents.data()),
+      Contents.size() / sizeof(RuntimeFunction));
+
+    for (const RuntimeFunction *I = RFs.begin(), *E = RFs.end(); I < E; ++I) {
+      const uint64_t OffsetInSection = std::distance(RFs.begin(), I)
+                                     * sizeof(RuntimeFunction);
+
+      printRuntimeFunction(*I, OffsetInSection, RelocMap[PData]);
+    }
+  }
+}
+
+void COFFDumper::printRuntimeFunction(
+    const RuntimeFunction& RTF,
+    uint64_t OffsetInSection,
+    const std::vector<RelocationRef> &Rels) {
+
+  DictScope D(W, "RuntimeFunction");
+  W.printString("StartAddress",
+                formatSymbol(Rels, OffsetInSection + 0, RTF.StartAddress));
+  W.printString("EndAddress",
+                formatSymbol(Rels, OffsetInSection + 4, RTF.EndAddress));
+  W.printString("UnwindInfoAddress",
+                formatSymbol(Rels, OffsetInSection + 8, RTF.UnwindInfoOffset));
+
+  const coff_section* XData = 0;
+  uint64_t UnwindInfoOffset = 0;
+  if (error(getSection(Rels, OffsetInSection + 8, &XData, &UnwindInfoOffset)))
+    return;
+
+  ArrayRef<uint8_t> XContents;
+  if (error(Obj->getSectionContents(XData, XContents)) || XContents.empty())
+    return;
+
+  UnwindInfoOffset += RTF.UnwindInfoOffset;
+  if (UnwindInfoOffset > XContents.size())
+    return;
+
+  const Win64EH::UnwindInfo *UI =
+    reinterpret_cast<const Win64EH::UnwindInfo *>(
+      XContents.data() + UnwindInfoOffset);
+
+  printUnwindInfo(*UI, UnwindInfoOffset, RelocMap[XData]);
+}
+
+void COFFDumper::printUnwindInfo(
+    const Win64EH::UnwindInfo& UI,
+    uint64_t OffsetInSection,
+    const std::vector<RelocationRef> &Rels) {
+  DictScope D(W, "UnwindInfo");
+  W.printNumber("Version", UI.getVersion());
+  W.printFlags("Flags", UI.getFlags(), makeArrayRef(UnwindFlags));
+  W.printNumber("PrologSize", UI.PrologSize);
+  if (UI.getFrameRegister() != 0) {
+    W.printEnum("FrameRegister", UI.getFrameRegister(),
+                makeArrayRef(UnwindOpInfo));
+    W.printHex("FrameOffset", UI.getFrameOffset());
+  } else {
+    W.printString("FrameRegister", StringRef("-"));
+    W.printString("FrameOffset", StringRef("-"));
+  }
+
+  W.printNumber("UnwindCodeCount", UI.NumCodes);
+  {
+    ListScope CodesD(W, "UnwindCodes");
+    ArrayRef<UnwindCode> UCs(&UI.UnwindCodes[0], UI.NumCodes);
+    for (const UnwindCode *I = UCs.begin(), *E = UCs.end(); I < E; ++I) {
+      unsigned UsedSlots = getNumUsedSlots(*I);
+      if (UsedSlots > UCs.size()) {
+        errs() << "Corrupt unwind data";
+        return;
+      }
+      printUnwindCode(UI, ArrayRef<UnwindCode>(I, E));
+      I += UsedSlots - 1;
+    }
+  }
+
+  uint64_t LSDAOffset = OffsetInSection + getOffsetOfLSDA(UI);
+  if (UI.getFlags() & (UNW_ExceptionHandler | UNW_TerminateHandler)) {
+    W.printString("Handler", formatSymbol(Rels, LSDAOffset,
+                                        UI.getLanguageSpecificHandlerOffset()));
+  } else if (UI.getFlags() & UNW_ChainInfo) {
+    const RuntimeFunction *Chained = UI.getChainedFunctionEntry();
+    if (Chained) {
+      DictScope D(W, "Chained");
+      W.printString("StartAddress", formatSymbol(Rels, LSDAOffset + 0,
+                                                        Chained->StartAddress));
+      W.printString("EndAddress", formatSymbol(Rels, LSDAOffset + 4,
+                                                          Chained->EndAddress));
+      W.printString("UnwindInfoAddress", formatSymbol(Rels, LSDAOffset + 8,
+                                                    Chained->UnwindInfoOffset));
+    }
+  }
+}
+
+// Prints one unwind code. Because an unwind code can occupy up to 3 slots in
+// the unwind codes array, this function requires that the correct number of
+// slots is provided.
+void COFFDumper::printUnwindCode(const Win64EH::UnwindInfo& UI,
+                                 ArrayRef<UnwindCode> UCs) {
+  assert(UCs.size() >= getNumUsedSlots(UCs[0]));
+
+  W.startLine() << format("0x%02X: ", unsigned(UCs[0].u.CodeOffset))
+                << getUnwindCodeTypeName(UCs[0].getUnwindOp());
+
+  uint32_t AllocSize = 0;
+
+  switch (UCs[0].getUnwindOp()) {
+  case UOP_PushNonVol:
+    outs() << " reg=" << getUnwindRegisterName(UCs[0].getOpInfo());
+    break;
+
+  case UOP_AllocLarge:
+    if (UCs[0].getOpInfo() == 0) {
+      AllocSize = UCs[1].FrameOffset * 8;
+    } else {
+      AllocSize = getLargeSlotValue(UCs);
+    }
+    outs() << " size=" << AllocSize;
+    break;
+  case UOP_AllocSmall:
+    outs() << " size=" << ((UCs[0].getOpInfo() + 1) * 8);
+    break;
+  case UOP_SetFPReg:
+    if (UI.getFrameRegister() == 0) {
+      outs() << " reg=<invalid>";
+    } else {
+      outs() << " reg=" << getUnwindRegisterName(UI.getFrameRegister())
+             << format(", offset=0x%X", UI.getFrameOffset() * 16);
+    }
+    break;
+  case UOP_SaveNonVol:
+    outs() << " reg=" << getUnwindRegisterName(UCs[0].getOpInfo())
+           << format(", offset=0x%X", UCs[1].FrameOffset * 8);
+    break;
+  case UOP_SaveNonVolBig:
+    outs() << " reg=" << getUnwindRegisterName(UCs[0].getOpInfo())
+           << format(", offset=0x%X", getLargeSlotValue(UCs));
+    break;
+  case UOP_SaveXMM128:
+    outs() << " reg=XMM" << static_cast<uint32_t>(UCs[0].getOpInfo())
+           << format(", offset=0x%X", UCs[1].FrameOffset * 16);
+    break;
+  case UOP_SaveXMM128Big:
+    outs() << " reg=XMM" << static_cast<uint32_t>(UCs[0].getOpInfo())
+           << format(", offset=0x%X", getLargeSlotValue(UCs));
+    break;
+  case UOP_PushMachFrame:
+    outs() << " errcode=" << (UCs[0].getOpInfo() == 0 ? "no" : "yes");
+    break;
+  }
+
+  outs() << "\n";
+}