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

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📄 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: DebugLinesSubsection.h

//===- DebugLinesSubsection.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_DEBUGLINESSUBSECTION_H
#define LLVM_DEBUGINFO_CODEVIEW_DEBUGLINESSUBSECTION_H

#include "llvm/ADT/StringRef.h"
#include "llvm/DebugInfo/CodeView/CodeView.h"
#include "llvm/DebugInfo/CodeView/DebugSubsection.h"
#include "llvm/DebugInfo/CodeView/Line.h"
#include "llvm/Support/BinaryStreamArray.h"
#include "llvm/Support/BinaryStreamReader.h"
#include "llvm/Support/BinaryStreamRef.h"
#include "llvm/Support/Endian.h"
#include "llvm/Support/Error.h"
#include <cstdint>
#include <vector>

namespace llvm {
namespace codeview {

class DebugChecksumsSubsection;
class DebugStringTableSubsection;

// Corresponds to the `CV_DebugSLinesHeader_t` structure.
struct LineFragmentHeader {
  support::ulittle32_t RelocOffset;  // Code offset of line contribution.
  support::ulittle16_t RelocSegment; // Code segment of line contribution.
  support::ulittle16_t Flags;        // See LineFlags enumeration.
  support::ulittle32_t CodeSize;     // Code size of this line contribution.
};

// Corresponds to the `CV_DebugSLinesFileBlockHeader_t` structure.
struct LineBlockFragmentHeader {
  support::ulittle32_t NameIndex; // Offset of FileChecksum entry in File
                                  // checksums buffer.  The checksum entry then
                                  // contains another offset into the string
                                  // table of the actual name.
  support::ulittle32_t NumLines;  // Number of lines
  support::ulittle32_t BlockSize; // Code size of block, in bytes.
  // The following two variable length arrays appear immediately after the
  // header.  The structure definitions follow.
  // LineNumberEntry   Lines[NumLines];
  // ColumnNumberEntry Columns[NumLines];
};

// Corresponds to `CV_Line_t` structure
struct LineNumberEntry {
  support::ulittle32_t Offset; // Offset to start of code bytes for line number
  support::ulittle32_t Flags;  // Start:24, End:7, IsStatement:1
};

// Corresponds to `CV_Column_t` structure
struct ColumnNumberEntry {
  support::ulittle16_t StartColumn;
  support::ulittle16_t EndColumn;
};

struct LineColumnEntry {
  support::ulittle32_t NameIndex;
  FixedStreamArray<LineNumberEntry> LineNumbers;
  FixedStreamArray<ColumnNumberEntry> Columns;
};

class LineColumnExtractor {
public:
  Error operator()(BinaryStreamRef Stream, uint32_t &Len,
                   LineColumnEntry &Item);

const LineFragmentHeader *Header = nullptr;
};

class DebugLinesSubsectionRef final : public DebugSubsectionRef {
  friend class LineColumnExtractor;

using LineInfoArray = VarStreamArray<LineColumnEntry, LineColumnExtractor>;
  using Iterator = LineInfoArray::Iterator;

public:
  DebugLinesSubsectionRef();

static bool classof(const DebugSubsectionRef *S) {
    return S->kind() == DebugSubsectionKind::Lines;
  }

Error initialize(BinaryStreamReader Reader);

Iterator begin() const { return LinesAndColumns.begin(); }
  Iterator end() const { return LinesAndColumns.end(); }

const LineFragmentHeader *header() const { return Header; }

bool hasColumnInfo() const;

private:
  const LineFragmentHeader *Header = nullptr;
  LineInfoArray LinesAndColumns;
};

class DebugLinesSubsection final : public DebugSubsection {
  struct Block {
    Block(uint32_t ChecksumBufferOffset)
        : ChecksumBufferOffset(ChecksumBufferOffset) {}

uint32_t ChecksumBufferOffset;
    std::vector<LineNumberEntry> Lines;
    std::vector<ColumnNumberEntry> Columns;
  };

public:
  DebugLinesSubsection(DebugChecksumsSubsection &Checksums,
                       DebugStringTableSubsection &Strings);

static bool classof(const DebugSubsection *S) {
    return S->kind() == DebugSubsectionKind::Lines;
  }

void createBlock(StringRef FileName);
  void addLineInfo(uint32_t Offset, const LineInfo &Line);
  void addLineAndColumnInfo(uint32_t Offset, const LineInfo &Line,
                            uint32_t ColStart, uint32_t ColEnd);

uint32_t calculateSerializedSize() const override;
  Error commit(BinaryStreamWriter &Writer) const override;

void setRelocationAddress(uint16_t Segment, uint32_t Offset);
  void setCodeSize(uint32_t Size);
  void setFlags(LineFlags Flags);

bool hasColumnInfo() const;

private:
  DebugChecksumsSubsection &Checksums;
  uint32_t RelocOffset = 0;
  uint16_t RelocSegment = 0;
  uint32_t CodeSize = 0;
  LineFlags Flags = LF_None;
  std::vector<Block> Blocks;
};

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

#endif // LLVM_DEBUGINFO_CODEVIEW_DEBUGLINESSUBSECTION_H

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Editing: DebugLinesSubsection.h

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