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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: GlobalTypeTableBuilder.h

//===- GlobalTypeTableBuilder.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_GLOBALTYPETABLEBUILDER_H
#define LLVM_DEBUGINFO_CODEVIEW_GLOBALTYPETABLEBUILDER_H

#include "llvm/ADT/ArrayRef.h"
#include "llvm/ADT/DenseSet.h"
#include "llvm/ADT/SmallVector.h"
#include "llvm/DebugInfo/CodeView/CodeView.h"
#include "llvm/DebugInfo/CodeView/SimpleTypeSerializer.h"
#include "llvm/DebugInfo/CodeView/TypeCollection.h"
#include "llvm/DebugInfo/CodeView/TypeHashing.h"
#include "llvm/DebugInfo/CodeView/TypeIndex.h"
#include "llvm/Support/Allocator.h"
#include <cassert>
#include <cstdint>
#include <memory>
#include <vector>

namespace llvm {
namespace codeview {

class ContinuationRecordBuilder;

class GlobalTypeTableBuilder : public TypeCollection {
  /// Storage for records.  These need to outlive the TypeTableBuilder.
  BumpPtrAllocator &RecordStorage;

/// A serializer that can write non-continuation leaf types.  Only used as
  /// a convenience function so that we can provide an interface method to
  /// write an unserialized record.
  SimpleTypeSerializer SimpleSerializer;

/// Hash table.
  DenseMap<GloballyHashedType, TypeIndex> HashedRecords;

/// Contains a list of all records indexed by TypeIndex.toArrayIndex().
  SmallVector<ArrayRef<uint8_t>, 2> SeenRecords;

/// Contains a list of all hash values indexed by TypeIndex.toArrayIndex().
  SmallVector<GloballyHashedType, 2> SeenHashes;

public:
  explicit GlobalTypeTableBuilder(BumpPtrAllocator &Storage);
  ~GlobalTypeTableBuilder();

// TypeCollection overrides
  Optional<TypeIndex> getFirst() override;
  Optional<TypeIndex> getNext(TypeIndex Prev) override;
  CVType getType(TypeIndex Index) override;
  StringRef getTypeName(TypeIndex Index) override;
  bool contains(TypeIndex Index) override;
  uint32_t size() override;
  uint32_t capacity() override;
  bool replaceType(TypeIndex &Index, CVType Data, bool Stabilize) override;

// public interface
  void reset();
  TypeIndex nextTypeIndex() const;

BumpPtrAllocator &getAllocator() { return RecordStorage; }

ArrayRef<ArrayRef<uint8_t>> records() const;
  ArrayRef<GloballyHashedType> hashes() const;

template <typename CreateFunc>
  TypeIndex insertRecordAs(GloballyHashedType Hash, size_t RecordSize,
                           CreateFunc Create) {
    assert(RecordSize < UINT32_MAX && "Record too big");
    assert(RecordSize % 4 == 0 &&
           "RecordSize is not a multiple of 4 bytes which will cause "
           "misalignment in the output TPI stream!");

auto Result = HashedRecords.try_emplace(Hash, nextTypeIndex());

if (LLVM_UNLIKELY(Result.second /*inserted*/ ||
                      Result.first->second.isSimple())) {
      uint8_t *Stable = RecordStorage.Allocate<uint8_t>(RecordSize);
      MutableArrayRef<uint8_t> Data(Stable, RecordSize);
      ArrayRef<uint8_t> StableRecord = Create(Data);
      if (StableRecord.empty()) {
        // Records with forward references into the Type stream will be deferred
        // for insertion at a later time, on the second pass.
        Result.first->getSecond() = TypeIndex(SimpleTypeKind::NotTranslated);
        return TypeIndex(SimpleTypeKind::NotTranslated);
      }
      if (Result.first->second.isSimple()) {
        assert(Result.first->second.getIndex() ==
               (uint32_t)SimpleTypeKind::NotTranslated);
        // On the second pass, update with index to remapped record. The
        // (initially misbehaved) record will now come *after* other records
        // resolved in the first pass, with proper *back* references in the
        // stream.
        Result.first->second = nextTypeIndex();
      }
      SeenRecords.push_back(StableRecord);
      SeenHashes.push_back(Hash);
    }

return Result.first->second;
  }

TypeIndex insertRecordBytes(ArrayRef<uint8_t> Data);
  TypeIndex insertRecord(ContinuationRecordBuilder &Builder);

template <typename T> TypeIndex writeLeafType(T &Record) {
    ArrayRef<uint8_t> Data = SimpleSerializer.serialize(Record);
    return insertRecordBytes(Data);
  }
};

} // end namespace codeview
} // end namespace llvm

#endif // LLVM_DEBUGINFO_CODEVIEW_MERGINGTYPETABLEBUILDER_H

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Editing: GlobalTypeTableBuilder.h

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