llvm-project/llvm/lib/DebugInfo/CodeView/SymbolDumper.cpp

//===-- SymbolDumper.cpp - CodeView symbol info dumper ----------*- C++ -*-===//
//
//                     The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//

#include "llvm/DebugInfo/CodeView/SymbolDumper.h"
#include "llvm/ADT/DenseMap.h"
#include "llvm/ADT/SmallString.h"
#include "llvm/DebugInfo/CodeView/CVSymbolVisitor.h"
#include "llvm/DebugInfo/CodeView/SymbolDumpDelegate.h"
#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
#include "llvm/DebugInfo/CodeView/TypeDumper.h"
#include "llvm/DebugInfo/CodeView/TypeIndex.h"
#include "llvm/Support/ScopedPrinter.h"

#include <system_error>

using namespace llvm;
using namespace llvm::codeview;

static const EnumEntry<SymbolKind> SymbolTypeNames[] = {
#define CV_SYMBOL(enum, val) {#enum, enum},
#include "llvm/DebugInfo/CodeView/CVSymbolTypes.def"
};

namespace {
#define CV_ENUM_CLASS_ENT(enum_class, enum)                                    \
  { #enum, std::underlying_type < enum_class > ::type(enum_class::enum) }

#define CV_ENUM_ENT(ns, enum)                                                  \
  { #enum, ns::enum }

static const EnumEntry<uint8_t> ProcSymFlagNames[] = {
    CV_ENUM_CLASS_ENT(ProcSymFlags, HasFP),
    CV_ENUM_CLASS_ENT(ProcSymFlags, HasIRET),
    CV_ENUM_CLASS_ENT(ProcSymFlags, HasFRET),
    CV_ENUM_CLASS_ENT(ProcSymFlags, IsNoReturn),
    CV_ENUM_CLASS_ENT(ProcSymFlags, IsUnreachable),
    CV_ENUM_CLASS_ENT(ProcSymFlags, HasCustomCallingConv),
    CV_ENUM_CLASS_ENT(ProcSymFlags, IsNoInline),
    CV_ENUM_CLASS_ENT(ProcSymFlags, HasOptimizedDebugInfo),
};

static const EnumEntry<uint16_t> LocalFlags[] = {
    CV_ENUM_CLASS_ENT(LocalSymFlags, IsParameter),
    CV_ENUM_CLASS_ENT(LocalSymFlags, IsAddressTaken),
    CV_ENUM_CLASS_ENT(LocalSymFlags, IsCompilerGenerated),
    CV_ENUM_CLASS_ENT(LocalSymFlags, IsAggregate),
    CV_ENUM_CLASS_ENT(LocalSymFlags, IsAggregated),
    CV_ENUM_CLASS_ENT(LocalSymFlags, IsAliased),
    CV_ENUM_CLASS_ENT(LocalSymFlags, IsAlias),
    CV_ENUM_CLASS_ENT(LocalSymFlags, IsReturnValue),
    CV_ENUM_CLASS_ENT(LocalSymFlags, IsOptimizedOut),
    CV_ENUM_CLASS_ENT(LocalSymFlags, IsEnregisteredGlobal),
    CV_ENUM_CLASS_ENT(LocalSymFlags, IsEnregisteredStatic),
};

static const EnumEntry<uint32_t> FrameCookieKinds[] = {
    CV_ENUM_CLASS_ENT(FrameCookieKind, Copy),
    CV_ENUM_CLASS_ENT(FrameCookieKind, XorStackPointer),
    CV_ENUM_CLASS_ENT(FrameCookieKind, XorFramePointer),
    CV_ENUM_CLASS_ENT(FrameCookieKind, XorR13),
};

static const EnumEntry<codeview::SourceLanguage> SourceLanguages[] = {
    CV_ENUM_ENT(SourceLanguage, C),       CV_ENUM_ENT(SourceLanguage, Cpp),
    CV_ENUM_ENT(SourceLanguage, Fortran), CV_ENUM_ENT(SourceLanguage, Masm),
    CV_ENUM_ENT(SourceLanguage, Pascal),  CV_ENUM_ENT(SourceLanguage, Basic),
    CV_ENUM_ENT(SourceLanguage, Cobol),   CV_ENUM_ENT(SourceLanguage, Link),
    CV_ENUM_ENT(SourceLanguage, Cvtres),  CV_ENUM_ENT(SourceLanguage, Cvtpgd),
    CV_ENUM_ENT(SourceLanguage, CSharp),  CV_ENUM_ENT(SourceLanguage, VB),
    CV_ENUM_ENT(SourceLanguage, ILAsm),   CV_ENUM_ENT(SourceLanguage, Java),
    CV_ENUM_ENT(SourceLanguage, JScript), CV_ENUM_ENT(SourceLanguage, MSIL),
    CV_ENUM_ENT(SourceLanguage, HLSL),
};

static const EnumEntry<uint32_t> CompileSym3FlagNames[] = {
    CV_ENUM_CLASS_ENT(CompileSym3Flags, EC),
    CV_ENUM_CLASS_ENT(CompileSym3Flags, NoDbgInfo),
    CV_ENUM_CLASS_ENT(CompileSym3Flags, LTCG),
    CV_ENUM_CLASS_ENT(CompileSym3Flags, NoDataAlign),
    CV_ENUM_CLASS_ENT(CompileSym3Flags, ManagedPresent),
    CV_ENUM_CLASS_ENT(CompileSym3Flags, SecurityChecks),
    CV_ENUM_CLASS_ENT(CompileSym3Flags, HotPatch),
    CV_ENUM_CLASS_ENT(CompileSym3Flags, CVTCIL),
    CV_ENUM_CLASS_ENT(CompileSym3Flags, MSILModule),
    CV_ENUM_CLASS_ENT(CompileSym3Flags, Sdl),
    CV_ENUM_CLASS_ENT(CompileSym3Flags, PGO),
    CV_ENUM_CLASS_ENT(CompileSym3Flags, Exp),
};

static const EnumEntry<unsigned> CPUTypeNames[] = {
    CV_ENUM_CLASS_ENT(CPUType, Intel8080),
    CV_ENUM_CLASS_ENT(CPUType, Intel8086),
    CV_ENUM_CLASS_ENT(CPUType, Intel80286),
    CV_ENUM_CLASS_ENT(CPUType, Intel80386),
    CV_ENUM_CLASS_ENT(CPUType, Intel80486),
    CV_ENUM_CLASS_ENT(CPUType, Pentium),
    CV_ENUM_CLASS_ENT(CPUType, PentiumPro),
    CV_ENUM_CLASS_ENT(CPUType, Pentium3),
    CV_ENUM_CLASS_ENT(CPUType, MIPS),
    CV_ENUM_CLASS_ENT(CPUType, MIPS16),
    CV_ENUM_CLASS_ENT(CPUType, MIPS32),
    CV_ENUM_CLASS_ENT(CPUType, MIPS64),
    CV_ENUM_CLASS_ENT(CPUType, MIPSI),
    CV_ENUM_CLASS_ENT(CPUType, MIPSII),
    CV_ENUM_CLASS_ENT(CPUType, MIPSIII),
    CV_ENUM_CLASS_ENT(CPUType, MIPSIV),
    CV_ENUM_CLASS_ENT(CPUType, MIPSV),
    CV_ENUM_CLASS_ENT(CPUType, M68000),
    CV_ENUM_CLASS_ENT(CPUType, M68010),
    CV_ENUM_CLASS_ENT(CPUType, M68020),
    CV_ENUM_CLASS_ENT(CPUType, M68030),
    CV_ENUM_CLASS_ENT(CPUType, M68040),
    CV_ENUM_CLASS_ENT(CPUType, Alpha),
    CV_ENUM_CLASS_ENT(CPUType, Alpha21164),
    CV_ENUM_CLASS_ENT(CPUType, Alpha21164A),
    CV_ENUM_CLASS_ENT(CPUType, Alpha21264),
    CV_ENUM_CLASS_ENT(CPUType, Alpha21364),
    CV_ENUM_CLASS_ENT(CPUType, PPC601),
    CV_ENUM_CLASS_ENT(CPUType, PPC603),
    CV_ENUM_CLASS_ENT(CPUType, PPC604),
    CV_ENUM_CLASS_ENT(CPUType, PPC620),
    CV_ENUM_CLASS_ENT(CPUType, PPCFP),
    CV_ENUM_CLASS_ENT(CPUType, PPCBE),
    CV_ENUM_CLASS_ENT(CPUType, SH3),
    CV_ENUM_CLASS_ENT(CPUType, SH3E),
    CV_ENUM_CLASS_ENT(CPUType, SH3DSP),
    CV_ENUM_CLASS_ENT(CPUType, SH4),
    CV_ENUM_CLASS_ENT(CPUType, SHMedia),
    CV_ENUM_CLASS_ENT(CPUType, ARM3),
    CV_ENUM_CLASS_ENT(CPUType, ARM4),
    CV_ENUM_CLASS_ENT(CPUType, ARM4T),
    CV_ENUM_CLASS_ENT(CPUType, ARM5),
    CV_ENUM_CLASS_ENT(CPUType, ARM5T),
    CV_ENUM_CLASS_ENT(CPUType, ARM6),
    CV_ENUM_CLASS_ENT(CPUType, ARM_XMAC),
    CV_ENUM_CLASS_ENT(CPUType, ARM_WMMX),
    CV_ENUM_CLASS_ENT(CPUType, ARM7),
    CV_ENUM_CLASS_ENT(CPUType, Omni),
    CV_ENUM_CLASS_ENT(CPUType, Ia64),
    CV_ENUM_CLASS_ENT(CPUType, Ia64_2),
    CV_ENUM_CLASS_ENT(CPUType, CEE),
    CV_ENUM_CLASS_ENT(CPUType, AM33),
    CV_ENUM_CLASS_ENT(CPUType, M32R),
    CV_ENUM_CLASS_ENT(CPUType, TriCore),
    CV_ENUM_CLASS_ENT(CPUType, X64),
    CV_ENUM_CLASS_ENT(CPUType, EBC),
    CV_ENUM_CLASS_ENT(CPUType, Thumb),
    CV_ENUM_CLASS_ENT(CPUType, ARMNT),
    CV_ENUM_CLASS_ENT(CPUType, D3D11_Shader),
};

static const EnumEntry<uint32_t> FrameProcSymFlags[] = {
    CV_ENUM_CLASS_ENT(FrameProcedureOptions, HasAlloca),
    CV_ENUM_CLASS_ENT(FrameProcedureOptions, HasSetJmp),
    CV_ENUM_CLASS_ENT(FrameProcedureOptions, HasLongJmp),
    CV_ENUM_CLASS_ENT(FrameProcedureOptions, HasInlineAssembly),
    CV_ENUM_CLASS_ENT(FrameProcedureOptions, HasExceptionHandling),
    CV_ENUM_CLASS_ENT(FrameProcedureOptions, MarkedInline),
    CV_ENUM_CLASS_ENT(FrameProcedureOptions, HasStructuredExceptionHandling),
    CV_ENUM_CLASS_ENT(FrameProcedureOptions, Naked),
    CV_ENUM_CLASS_ENT(FrameProcedureOptions, SecurityChecks),
    CV_ENUM_CLASS_ENT(FrameProcedureOptions, AsynchronousExceptionHandling),
    CV_ENUM_CLASS_ENT(FrameProcedureOptions, NoStackOrderingForSecurityChecks),
    CV_ENUM_CLASS_ENT(FrameProcedureOptions, Inlined),
    CV_ENUM_CLASS_ENT(FrameProcedureOptions, StrictSecurityChecks),
    CV_ENUM_CLASS_ENT(FrameProcedureOptions, SafeBuffers),
    CV_ENUM_CLASS_ENT(FrameProcedureOptions, ProfileGuidedOptimization),
    CV_ENUM_CLASS_ENT(FrameProcedureOptions, ValidProfileCounts),
    CV_ENUM_CLASS_ENT(FrameProcedureOptions, OptimizedForSpeed),
    CV_ENUM_CLASS_ENT(FrameProcedureOptions, GuardCfg),
    CV_ENUM_CLASS_ENT(FrameProcedureOptions, GuardCfw),
};

/// Use this private dumper implementation to keep implementation details about
/// the visitor out of SymbolDumper.h.
class CVSymbolDumperImpl : public CVSymbolVisitor<CVSymbolDumperImpl> {
public:
  CVSymbolDumperImpl(CVTypeDumper &CVTD, SymbolDumpDelegate *ObjDelegate,
                     ScopedPrinter &W, bool PrintRecordBytes)
      : CVSymbolVisitor(ObjDelegate), CVTD(CVTD), ObjDelegate(ObjDelegate),
        W(W), PrintRecordBytes(PrintRecordBytes), InFunctionScope(false) {}

/// CVSymbolVisitor overrides.
#define SYMBOL_RECORD(EnumName, EnumVal, Name)                                 \
  void visit##Name(SymbolKind Kind, Name &Record);
#define SYMBOL_RECORD_ALIAS(EnumName, EnumVal, Name, AliasName)
#include "llvm/DebugInfo/CodeView/CVSymbolTypes.def"

  void visitSymbolBegin(SymbolKind Kind, ArrayRef<uint8_t> Data);
  void visitSymbolEnd(SymbolKind Kind, ArrayRef<uint8_t> OriginalSymData);
  void visitUnknownSymbol(SymbolKind Kind, ArrayRef<uint8_t> Data);

private:
  void printLocalVariableAddrRange(const LocalVariableAddrRange &Range,
                                   uint32_t RelocationOffset);
  void printLocalVariableAddrGap(ArrayRef<LocalVariableAddrGap> Gaps);

  CVTypeDumper &CVTD;
  SymbolDumpDelegate *ObjDelegate;
  ScopedPrinter &W;

  bool PrintRecordBytes;
  bool InFunctionScope;
};
}

void CVSymbolDumperImpl::printLocalVariableAddrRange(
    const LocalVariableAddrRange &Range, uint32_t RelocationOffset) {
  DictScope S(W, "LocalVariableAddrRange");
  if (ObjDelegate)
    ObjDelegate->printRelocatedField("OffsetStart", RelocationOffset,
                                     Range.OffsetStart);
  W.printHex("ISectStart", Range.ISectStart);
  W.printHex("Range", Range.Range);
}

void CVSymbolDumperImpl::printLocalVariableAddrGap(
    ArrayRef<LocalVariableAddrGap> Gaps) {
  for (auto &Gap : Gaps) {
    ListScope S(W, "LocalVariableAddrGap");
    W.printHex("GapStartOffset", Gap.GapStartOffset);
    W.printHex("Range", Gap.Range);
  }
}

void CVSymbolDumperImpl::visitSymbolBegin(SymbolKind Kind,
                                          ArrayRef<uint8_t> Data) {}

void CVSymbolDumperImpl::visitSymbolEnd(SymbolKind Kind,
                                        ArrayRef<uint8_t> OriginalSymData) {
  if (PrintRecordBytes && ObjDelegate)
    ObjDelegate->printBinaryBlockWithRelocs("SymData", OriginalSymData);
}

void CVSymbolDumperImpl::visitBlockSym(SymbolKind Kind, BlockSym &Block) {
  DictScope S(W, "BlockStart");

  StringRef LinkageName;
  W.printHex("PtrParent", Block.Header.PtrParent);
  W.printHex("PtrEnd", Block.Header.PtrEnd);
  W.printHex("CodeSize", Block.Header.CodeSize);
  if (ObjDelegate) {
    ObjDelegate->printRelocatedField("CodeOffset", Block.getRelocationOffset(),
                                     Block.Header.CodeOffset, &LinkageName);
  }
  W.printHex("Segment", Block.Header.Segment);
  W.printString("BlockName", Block.Name);
  W.printString("LinkageName", LinkageName);
}

void CVSymbolDumperImpl::visitBPRelativeSym(SymbolKind Kind,
                                            BPRelativeSym &BPRel) {
  DictScope S(W, "BPRelativeSym");

  W.printNumber("Offset", BPRel.Header.Offset);
  CVTD.printTypeIndex("Type", BPRel.Header.Type);
  W.printString("VarName", BPRel.Name);
}

void CVSymbolDumperImpl::visitBuildInfoSym(SymbolKind Kind,
                                           BuildInfoSym &BuildInfo) {
  DictScope S(W, "BuildInfo");

  W.printNumber("BuildId", BuildInfo.Header.BuildId);
}

void CVSymbolDumperImpl::visitCallSiteInfoSym(SymbolKind Kind,
                                              CallSiteInfoSym &CallSiteInfo) {
  DictScope S(W, "CallSiteInfo");

  StringRef LinkageName;
  if (ObjDelegate) {
    ObjDelegate->printRelocatedField(
        "CodeOffset", CallSiteInfo.getRelocationOffset(),
        CallSiteInfo.Header.CodeOffset, &LinkageName);
  }
  W.printHex("Segment", CallSiteInfo.Header.Segment);
  W.printHex("Reserved", CallSiteInfo.Header.Reserved);
  CVTD.printTypeIndex("Type", CallSiteInfo.Header.Type);
  if (!LinkageName.empty())
    W.printString("LinkageName", LinkageName);
}

void CVSymbolDumperImpl::visitCompile3Sym(SymbolKind Kind,
                                          Compile3Sym &Compile3) {
  DictScope S(W, "CompilerFlags");

  W.printEnum("Language", Compile3.Header.getLanguage(),
              makeArrayRef(SourceLanguages));
  W.printFlags("Flags", Compile3.Header.flags & ~0xff,
               makeArrayRef(CompileSym3FlagNames));
  W.printEnum("Machine", unsigned(Compile3.Header.Machine),
              makeArrayRef(CPUTypeNames));
  std::string FrontendVersion;
  {
    raw_string_ostream Out(FrontendVersion);
    Out << Compile3.Header.VersionFrontendMajor << '.'
        << Compile3.Header.VersionFrontendMinor << '.'
        << Compile3.Header.VersionFrontendBuild << '.'
        << Compile3.Header.VersionFrontendQFE;
  }
  std::string BackendVersion;
  {
    raw_string_ostream Out(BackendVersion);
    Out << Compile3.Header.VersionBackendMajor << '.'
        << Compile3.Header.VersionBackendMinor << '.'
        << Compile3.Header.VersionBackendBuild << '.'
        << Compile3.Header.VersionBackendQFE;
  }
  W.printString("FrontendVersion", FrontendVersion);
  W.printString("BackendVersion", BackendVersion);
  W.printString("VersionName", Compile3.Version);
}

void CVSymbolDumperImpl::visitConstantSym(SymbolKind Kind,
                                          ConstantSym &Constant) {
  DictScope S(W, "Constant");

  CVTD.printTypeIndex("Type", Constant.Header.Type);
  W.printNumber("Value", Constant.Value);
  W.printString("Name", Constant.Name);
}

void CVSymbolDumperImpl::visitDataSym(SymbolKind Kind, DataSym &Data) {
  DictScope S(W, "DataSym");

  StringRef LinkageName;
  if (ObjDelegate) {
    ObjDelegate->printRelocatedField("DataOffset", Data.getRelocationOffset(),
                                     Data.Header.DataOffset, &LinkageName);
  }
  CVTD.printTypeIndex("Type", Data.Header.Type);
  W.printString("DisplayName", Data.Name);
  if (!LinkageName.empty())
    W.printString("LinkageName", LinkageName);
}

void CVSymbolDumperImpl::visitDefRangeFramePointerRelFullScopeSym(
    SymbolKind Kind,
    DefRangeFramePointerRelFullScopeSym &DefRangeFramePointerRelFullScope) {
  DictScope S(W, "DefRangeFramePointerRelFullScope");
  W.printNumber("Offset", DefRangeFramePointerRelFullScope.Header.Offset);
}

void CVSymbolDumperImpl::visitDefRangeFramePointerRelSym(
    SymbolKind Kind, DefRangeFramePointerRelSym &DefRangeFramePointerRel) {
  DictScope S(W, "DefRangeFramePointerRel");

  W.printNumber("Offset", DefRangeFramePointerRel.Header.Offset);
  printLocalVariableAddrRange(DefRangeFramePointerRel.Header.Range,
                              DefRangeFramePointerRel.getRelocationOffset());
  printLocalVariableAddrGap(DefRangeFramePointerRel.Gaps);
}

void CVSymbolDumperImpl::visitDefRangeRegisterRelSym(
    SymbolKind Kind, DefRangeRegisterRelSym &DefRangeRegisterRel) {
  DictScope S(W, "DefRangeRegisterRel");

  W.printNumber("BaseRegister", DefRangeRegisterRel.Header.BaseRegister);
  W.printBoolean("HasSpilledUDTMember",
                 DefRangeRegisterRel.hasSpilledUDTMember());
  W.printNumber("OffsetInParent", DefRangeRegisterRel.offsetInParent());
  W.printNumber("BasePointerOffset",
                DefRangeRegisterRel.Header.BasePointerOffset);
  printLocalVariableAddrRange(DefRangeRegisterRel.Header.Range,
                              DefRangeRegisterRel.getRelocationOffset());
  printLocalVariableAddrGap(DefRangeRegisterRel.Gaps);
}

void CVSymbolDumperImpl::visitDefRangeRegisterSym(
    SymbolKind Kind, DefRangeRegisterSym &DefRangeRegister) {
  DictScope S(W, "DefRangeRegister");

  W.printNumber("Register", DefRangeRegister.Header.Register);
  W.printNumber("MayHaveNoName", DefRangeRegister.Header.MayHaveNoName);
  printLocalVariableAddrRange(DefRangeRegister.Header.Range,
                              DefRangeRegister.getRelocationOffset());
  printLocalVariableAddrGap(DefRangeRegister.Gaps);
}

void CVSymbolDumperImpl::visitDefRangeSubfieldRegisterSym(
    SymbolKind Kind, DefRangeSubfieldRegisterSym &DefRangeSubfieldRegister) {
  DictScope S(W, "DefRangeSubfieldRegister");

  W.printNumber("Register", DefRangeSubfieldRegister.Header.Register);
  W.printNumber("MayHaveNoName", DefRangeSubfieldRegister.Header.MayHaveNoName);
  W.printNumber("OffsetInParent",
                DefRangeSubfieldRegister.Header.OffsetInParent);
  printLocalVariableAddrRange(DefRangeSubfieldRegister.Header.Range,
                              DefRangeSubfieldRegister.getRelocationOffset());
  printLocalVariableAddrGap(DefRangeSubfieldRegister.Gaps);
}

void CVSymbolDumperImpl::visitDefRangeSubfieldSym(
    SymbolKind Kind, DefRangeSubfieldSym &DefRangeSubfield) {
  DictScope S(W, "DefRangeSubfield");

  if (ObjDelegate) {
    StringRef StringTable = ObjDelegate->getStringTable();
    if (!StringTable.empty()) {
      W.printString("Program",
                    StringTable.drop_front(DefRangeSubfield.Header.Program)
                        .split('\0')
                        .first);
    }
  }
  W.printNumber("OffsetInParent", DefRangeSubfield.Header.OffsetInParent);
  printLocalVariableAddrRange(DefRangeSubfield.Header.Range,
                              DefRangeSubfield.getRelocationOffset());
  printLocalVariableAddrGap(DefRangeSubfield.Gaps);
}

void CVSymbolDumperImpl::visitDefRangeSym(SymbolKind Kind,
                                          DefRangeSym &DefRange) {
  DictScope S(W, "DefRange");

  if (ObjDelegate) {
    StringRef StringTable = ObjDelegate->getStringTable();
    if (!StringTable.empty()) {
      W.printString(
          "Program",
          StringTable.drop_front(DefRange.Header.Program).split('\0').first);
    }
  }
  printLocalVariableAddrRange(DefRange.Header.Range,
                              DefRange.getRelocationOffset());
  printLocalVariableAddrGap(DefRange.Gaps);
}

void CVSymbolDumperImpl::visitFrameCookieSym(SymbolKind Kind,
                                             FrameCookieSym &FrameCookie) {
  DictScope S(W, "FrameCookie");

  StringRef LinkageName;
  if (ObjDelegate) {
    ObjDelegate->printRelocatedField(
        "CodeOffset", FrameCookie.getRelocationOffset(),
        FrameCookie.Header.CodeOffset, &LinkageName);
  }
  W.printHex("Register", FrameCookie.Header.Register);
  W.printEnum("CookieKind", uint16_t(FrameCookie.Header.CookieKind),
              makeArrayRef(FrameCookieKinds));
}

void CVSymbolDumperImpl::visitFrameProcSym(SymbolKind Kind,
                                           FrameProcSym &FrameProc) {
  DictScope S(W, "FrameProc");

  W.printHex("TotalFrameBytes", FrameProc.Header.TotalFrameBytes);
  W.printHex("PaddingFrameBytes", FrameProc.Header.PaddingFrameBytes);
  W.printHex("OffsetToPadding", FrameProc.Header.OffsetToPadding);
  W.printHex("BytesOfCalleeSavedRegisters",
             FrameProc.Header.BytesOfCalleeSavedRegisters);
  W.printHex("OffsetOfExceptionHandler",
             FrameProc.Header.OffsetOfExceptionHandler);
  W.printHex("SectionIdOfExceptionHandler",
             FrameProc.Header.SectionIdOfExceptionHandler);
  W.printFlags("Flags", FrameProc.Header.Flags,
               makeArrayRef(FrameProcSymFlags));
}

void CVSymbolDumperImpl::visitHeapAllocationSiteSym(
    SymbolKind Kind, HeapAllocationSiteSym &HeapAllocSite) {
  DictScope S(W, "HeapAllocationSite");

  StringRef LinkageName;
  if (ObjDelegate) {
    ObjDelegate->printRelocatedField(
        "CodeOffset", HeapAllocSite.getRelocationOffset(),
        HeapAllocSite.Header.CodeOffset, &LinkageName);
  }
  W.printHex("Segment", HeapAllocSite.Header.Segment);
  W.printHex("CallInstructionSize", HeapAllocSite.Header.CallInstructionSize);
  CVTD.printTypeIndex("Type", HeapAllocSite.Header.Type);
  if (!LinkageName.empty())
    W.printString("LinkageName", LinkageName);
}

void CVSymbolDumperImpl::visitInlineSiteSym(SymbolKind Kind,
                                            InlineSiteSym &InlineSite) {
  DictScope S(W, "InlineSite");

  W.printHex("PtrParent", InlineSite.Header.PtrParent);
  W.printHex("PtrEnd", InlineSite.Header.PtrEnd);
  CVTD.printTypeIndex("Inlinee", InlineSite.Header.Inlinee);

  ListScope BinaryAnnotations(W, "BinaryAnnotations");
  for (auto &Annotation : InlineSite.annotations()) {
    switch (Annotation.OpCode) {
    case BinaryAnnotationsOpCode::Invalid:
      return parseError();
    case BinaryAnnotationsOpCode::CodeOffset:
    case BinaryAnnotationsOpCode::ChangeCodeOffset:
    case BinaryAnnotationsOpCode::ChangeCodeLength:
      W.printHex(Annotation.Name, Annotation.U1);
      break;
    case BinaryAnnotationsOpCode::ChangeCodeOffsetBase:
    case BinaryAnnotationsOpCode::ChangeLineEndDelta:
    case BinaryAnnotationsOpCode::ChangeRangeKind:
    case BinaryAnnotationsOpCode::ChangeColumnStart:
    case BinaryAnnotationsOpCode::ChangeColumnEnd:
      W.printNumber(Annotation.Name, Annotation.U1);
      break;
    case BinaryAnnotationsOpCode::ChangeLineOffset:
    case BinaryAnnotationsOpCode::ChangeColumnEndDelta:
      W.printNumber(Annotation.Name, Annotation.S1);
      break;
    case BinaryAnnotationsOpCode::ChangeFile:
      if (ObjDelegate) {
        W.printHex("ChangeFile",
                   ObjDelegate->getFileNameForFileOffset(Annotation.U1),
                   Annotation.U1);
      } else {
        W.printHex("ChangeFile", Annotation.U1);
      }

      break;
    case BinaryAnnotationsOpCode::ChangeCodeOffsetAndLineOffset: {
      W.startLine() << "ChangeCodeOffsetAndLineOffset: {CodeOffset: "
                    << W.hex(Annotation.U1) << ", LineOffset: " << Annotation.S1
                    << "}\n";
      break;
    }
    case BinaryAnnotationsOpCode::ChangeCodeLengthAndCodeOffset: {
      W.startLine() << "ChangeCodeLengthAndCodeOffset: {CodeOffset: "
                    << W.hex(Annotation.U2)
                    << ", Length: " << W.hex(Annotation.U1) << "}\n";
      break;
    }
    }
  }
}

void CVSymbolDumperImpl::visitLabelSym(SymbolKind Kind, LabelSym &Label) {
  DictScope S(W, "Label");

  StringRef LinkageName;
  if (ObjDelegate) {
    ObjDelegate->printRelocatedField("CodeOffset", Label.getRelocationOffset(),
                                     Label.Header.CodeOffset, &LinkageName);
  }
  W.printHex("Segment", Label.Header.Segment);
  W.printHex("Flags", Label.Header.Flags);
  W.printFlags("Flags", Label.Header.Flags, makeArrayRef(ProcSymFlagNames));
  W.printString("DisplayName", Label.Name);
  if (!LinkageName.empty())
    W.printString("LinkageName", LinkageName);
}

void CVSymbolDumperImpl::visitLocalSym(SymbolKind Kind, LocalSym &Local) {
  DictScope S(W, "Local");

  CVTD.printTypeIndex("Type", Local.Header.Type);
  W.printFlags("Flags", uint16_t(Local.Header.Flags), makeArrayRef(LocalFlags));
  W.printString("VarName", Local.Name);
}

void CVSymbolDumperImpl::visitObjNameSym(SymbolKind Kind, ObjNameSym &ObjName) {
  DictScope S(W, "ObjectName");

  W.printHex("Signature", ObjName.Header.Signature);
  W.printString("ObjectName", ObjName.Name);
}

void CVSymbolDumperImpl::visitProcSym(SymbolKind Kind, ProcSym &Proc) {
  DictScope S(W, "ProcStart");

  if (InFunctionScope)
    return parseError();

  InFunctionScope = true;

  StringRef LinkageName;
  W.printHex("PtrParent", Proc.Header.PtrParent);
  W.printHex("PtrEnd", Proc.Header.PtrEnd);
  W.printHex("PtrNext", Proc.Header.PtrNext);
  W.printHex("CodeSize", Proc.Header.CodeSize);
  W.printHex("DbgStart", Proc.Header.DbgStart);
  W.printHex("DbgEnd", Proc.Header.DbgEnd);
  CVTD.printTypeIndex("FunctionType", Proc.Header.FunctionType);
  if (ObjDelegate) {
    ObjDelegate->printRelocatedField("CodeOffset", Proc.getRelocationOffset(),
                                     Proc.Header.CodeOffset, &LinkageName);
  }
  W.printHex("Segment", Proc.Header.Segment);
  W.printFlags("Flags", static_cast<uint8_t>(Proc.Header.Flags),
               makeArrayRef(ProcSymFlagNames));
  W.printString("DisplayName", Proc.Name);
  if (!LinkageName.empty())
    W.printString("LinkageName", LinkageName);
}

void CVSymbolDumperImpl::visitScopeEndSym(SymbolKind Kind,
                                          ScopeEndSym &ScopeEnd) {
  if (Kind == SymbolKind::S_END)
    W.startLine() << "BlockEnd\n";
  else if (Kind == SymbolKind::S_PROC_ID_END)
    W.startLine() << "ProcEnd\n";
  else if (Kind == SymbolKind::S_INLINESITE_END)
    DictScope S(W, "InlineSiteEnd");

  InFunctionScope = false;
}

void CVSymbolDumperImpl::visitCallerSym(SymbolKind Kind, CallerSym &Caller) {
  ListScope S(W, Kind == S_CALLEES ? "Callees" : "Callers");
  for (auto FuncID : Caller.Indices)
    CVTD.printTypeIndex("FuncID", FuncID);
}

void CVSymbolDumperImpl::visitRegRelativeSym(SymbolKind Kind,
                                             RegRelativeSym &RegRel) {
  DictScope S(W, "RegRelativeSym");

  W.printHex("Offset", RegRel.Header.Offset);
  CVTD.printTypeIndex("Type", RegRel.Header.Type);
  W.printHex("Register", RegRel.Header.Register);
  W.printString("VarName", RegRel.Name);
}

void CVSymbolDumperImpl::visitThreadLocalDataSym(SymbolKind Kind,
                                                 ThreadLocalDataSym &Data) {
  DictScope S(W, "ThreadLocalDataSym");

  StringRef LinkageName;
  if (ObjDelegate) {
    ObjDelegate->printRelocatedField("DataOffset", Data.getRelocationOffset(),
                                     Data.Header.DataOffset, &LinkageName);
  }
  CVTD.printTypeIndex("Type", Data.Header.Type);
  W.printString("DisplayName", Data.Name);
  if (!LinkageName.empty())
    W.printString("LinkageName", LinkageName);
}

void CVSymbolDumperImpl::visitUDTSym(SymbolKind Kind, UDTSym &UDT) {
  DictScope S(W, "UDT");
  CVTD.printTypeIndex("Type", UDT.Header.Type);
  W.printString("UDTName", UDT.Name);
}

void CVSymbolDumperImpl::visitUnknownSymbol(SymbolKind Kind,
                                            ArrayRef<uint8_t> Data) {
  DictScope S(W, "UnknownSym");
  W.printHex("Kind", unsigned(Kind));
  W.printHex("Size", Data.size());
}

bool CVSymbolDumper::dump(const SymbolIterator::Record &Record) {
  CVSymbolDumperImpl Dumper(CVTD, ObjDelegate.get(), W, PrintRecordBytes);
  Dumper.visitSymbolRecord(Record);
  return !Dumper.hadError();
}

bool CVSymbolDumper::dump(ArrayRef<uint8_t> Data) {
  CVSymbolDumperImpl Dumper(CVTD, ObjDelegate.get(), W, PrintRecordBytes);
  Dumper.visitSymbolStream(Data);
  return !Dumper.hadError();
}