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usr / src / contrib / llvm-project / llvm / include / llvm / DebugInfo / CodeView /

📁 ..
📄 AppendingTypeTableBuilder.h(2.24 KB)
📄 CVRecord.h(4.16 KB)
📄 CVSymbolVisitor.h(1.23 KB)
📄 CVTypeVisitor.h(2.19 KB)
📄 CodeView.h(17.73 KB)
📄 CodeViewError.h(1.46 KB)
📄 CodeViewRecordIO.h(7.83 KB)
📄 CodeViewRegisters.def(16.43 KB)
📄 CodeViewSymbols.def(9.57 KB)
📄 CodeViewTypes.def(7.58 KB)
📄 ContinuationRecordBuilder.h(2.14 KB)
📄 DebugChecksumsSubsection.h(3.06 KB)
📄 DebugCrossExSubsection.h(2.1 KB)
📄 DebugCrossImpSubsection.h(2.76 KB)
📄 DebugFrameDataSubsection.h(2.02 KB)
📄 DebugInlineeLinesSubsection.h(3.86 KB)
📄 DebugLinesSubsection.h(4.77 KB)
📄 DebugStringTableSubsection.h(2.92 KB)
📄 DebugSubsection.h(1.43 KB)
📄 DebugSubsectionRecord.h(3.09 KB)
📄 DebugSubsectionVisitor.h(4.28 KB)
📄 DebugSymbolRVASubsection.h(1.83 KB)
📄 DebugSymbolsSubsection.h(1.6 KB)
📄 DebugUnknownSubsection.h(925 B)
📄 EnumTables.h(2.32 KB)
📄 Formatters.h(1.94 KB)
📄 FunctionId.h(1.34 KB)
📄 GUID.h(1.34 KB)
📄 GlobalTypeTableBuilder.h(4.39 KB)
📄 LazyRandomTypeCollection.h(4.64 KB)
📄 Line.h(3.57 KB)
📄 MergingTypeTableBuilder.h(2.71 KB)
📄 RecordName.h(809 B)
📄 RecordSerialization.h(7.07 KB)
📄 SimpleTypeSerializer.h(1.24 KB)
📄 StringsAndChecksums.h(3.92 KB)
📄 SymbolDeserializer.h(3.47 KB)
📄 SymbolDumpDelegate.h(1.18 KB)
📄 SymbolDumper.h(2.05 KB)
📄 SymbolRecord.h(27.67 KB)
📄 SymbolRecordHelpers.h(1.78 KB)
📄 SymbolRecordMapping.h(1.52 KB)
📄 SymbolSerializer.h(2.99 KB)
📄 SymbolVisitorCallbackPipeline.h(2.58 KB)
📄 SymbolVisitorCallbacks.h(1.81 KB)
📄 SymbolVisitorDelegate.h(1.02 KB)
📄 TypeCollection.h(1.35 KB)
📄 TypeDeserializer.h(5.47 KB)
📄 TypeDumpVisitor.h(3.26 KB)
📄 TypeHashing.h(8.75 KB)
📄 TypeIndex.h(9.64 KB)
📄 TypeIndexDiscovery.h(1.71 KB)
📄 TypeRecord.h(31.56 KB)
📄 TypeRecordHelpers.h(1.47 KB)
📄 TypeRecordMapping.h(1.97 KB)
📄 TypeStreamMerger.h(4.51 KB)
📄 TypeSymbolEmitter.h(884 B)
📄 TypeTableCollection.h(1.25 KB)
📄 TypeVisitorCallbackPipeline.h(3.74 KB)
📄 TypeVisitorCallbacks.h(2.67 KB)

Editing: DebugSubsectionRecord.h

//===- DebugSubsectionRecord.h ----------------------------------*- C++ -*-===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//

#ifndef LLVM_DEBUGINFO_CODEVIEW_DEBUGSUBSECTIONRECORD_H
#define LLVM_DEBUGINFO_CODEVIEW_DEBUGSUBSECTIONRECORD_H

#include "llvm/DebugInfo/CodeView/CodeView.h"
#include "llvm/Support/BinaryStreamArray.h"
#include "llvm/Support/BinaryStreamRef.h"
#include "llvm/Support/Endian.h"
#include "llvm/Support/Error.h"
#include "llvm/Support/MathExtras.h"
#include <cstdint>
#include <memory>

namespace llvm {

class BinaryStreamWriter;

namespace codeview {

class DebugSubsection;

// Corresponds to the `CV_DebugSSubsectionHeader_t` structure.
struct DebugSubsectionHeader {
  support::ulittle32_t Kind;   // codeview::DebugSubsectionKind enum
  support::ulittle32_t Length; // number of bytes occupied by this record.
};

class DebugSubsectionRecord {
public:
  DebugSubsectionRecord();
  DebugSubsectionRecord(DebugSubsectionKind Kind, BinaryStreamRef Data);

static Error initialize(BinaryStreamRef Stream, DebugSubsectionRecord &Info);

uint32_t getRecordLength() const;
  DebugSubsectionKind kind() const;
  BinaryStreamRef getRecordData() const;

private:
  DebugSubsectionKind Kind = DebugSubsectionKind::None;
  BinaryStreamRef Data;
};

class DebugSubsectionRecordBuilder {
public:
  DebugSubsectionRecordBuilder(std::shared_ptr<DebugSubsection> Subsection);

/// Use this to copy existing subsections directly from source to destination.
  /// For example, line table subsections in an object file only need to be
  /// relocated before being copied into the PDB.
  DebugSubsectionRecordBuilder(const DebugSubsectionRecord &Contents);

uint32_t calculateSerializedLength() const;
  Error commit(BinaryStreamWriter &Writer, CodeViewContainer Container) const;

private:
  /// The subsection to build. Will be null if Contents is non-empty.
  std::shared_ptr<DebugSubsection> Subsection;

/// The bytes of the subsection. Only non-empty if Subsection is null.
  /// FIXME: Reduce the size of this.
  DebugSubsectionRecord Contents;
};

} // end namespace codeview

template <> struct VarStreamArrayExtractor<codeview::DebugSubsectionRecord> {
  Error operator()(BinaryStreamRef Stream, uint32_t &Length,
                   codeview::DebugSubsectionRecord &Info) {
    // FIXME: We need to pass the container type through to this function.  In
    // practice this isn't super important since the subsection header describes
    // its length and we can just skip it.  It's more important when writing.
    if (auto EC = codeview::DebugSubsectionRecord::initialize(Stream, Info))
      return EC;
    Length = alignTo(Info.getRecordLength(), 4);
    return Error::success();
  }
};

namespace codeview {

using DebugSubsectionArray = VarStreamArray<DebugSubsectionRecord>;

} // end namespace codeview

} // end namespace llvm

#endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGSUBSECTIONRECORD_H

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Editing: DebugSubsectionRecord.h

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