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

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📄 AppendingTypeTableBuilder.cpp(3.51 KB)
📄 CVSymbolVisitor.cpp(2.78 KB)
📄 CVTypeVisitor.cpp(9.14 KB)
📄 CodeViewError.cpp(1.89 KB)
📄 CodeViewRecordIO.cpp(11.73 KB)
📄 ContinuationRecordBuilder.cpp(9.18 KB)
📄 DebugChecksumsSubsection.cpp(3.89 KB)
📄 DebugCrossExSubsection.cpp(1.74 KB)
📄 DebugCrossImpSubsection.cpp(3.29 KB)
📄 DebugFrameDataSubsection.cpp(2.02 KB)
📄 DebugInlineeLinesSubsection.cpp(3.85 KB)
📄 DebugLinesSubsection.cpp(5.52 KB)
📄 DebugStringTableSubsection.cpp(3.21 KB)
📄 DebugSubsection.cpp(538 B)
📄 DebugSubsectionRecord.cpp(3.4 KB)
📄 DebugSubsectionVisitor.cpp(3.34 KB)
📄 DebugSymbolRVASubsection.cpp(1.28 KB)
📄 DebugSymbolsSubsection.cpp(1.02 KB)
📄 EnumTables.cpp(21.1 KB)
📄 Formatters.cpp(1.47 KB)
📄 GlobalTypeTableBuilder.cpp(4.43 KB)
📄 LazyRandomTypeCollection.cpp(8.94 KB)
📄 Line.cpp(748 B)
📄 MergingTypeTableBuilder.cpp(4.81 KB)
📄 RecordName.cpp(10.4 KB)
📄 RecordSerialization.cpp(4.86 KB)
📄 SimpleTypeSerializer.cpp(2.4 KB)
📄 StringsAndChecksums.cpp(2.58 KB)
📄 SymbolDumper.cpp(25.61 KB)
📄 SymbolRecordHelpers.cpp(2.82 KB)
📄 SymbolRecordMapping.cpp(16.92 KB)
📄 SymbolSerializer.cpp(1.83 KB)
📄 TypeDumpVisitor.cpp(21.43 KB)
📄 TypeHashing.cpp(3.03 KB)
📄 TypeIndex.cpp(3.84 KB)
📄 TypeIndexDiscovery.cpp(16.54 KB)
📄 TypeRecordHelpers.cpp(1.59 KB)
📄 TypeRecordMapping.cpp(24.67 KB)
📄 TypeStreamMerger.cpp(18.42 KB)
📄 TypeTableCollection.cpp(1.96 KB)

Editing: DebugStringTableSubsection.cpp

//===- DebugStringTableSubsection.cpp - CodeView String Table -------------===//
//
// 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
//
//===----------------------------------------------------------------------===//

#include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
#include "llvm/ADT/StringRef.h"
#include "llvm/DebugInfo/CodeView/CodeView.h"
#include "llvm/Support/BinaryStreamReader.h"
#include "llvm/Support/BinaryStreamWriter.h"
#include "llvm/Support/Error.h"
#include <algorithm>
#include <cassert>
#include <cstdint>

using namespace llvm;
using namespace llvm::codeview;

DebugStringTableSubsectionRef::DebugStringTableSubsectionRef()
    : DebugSubsectionRef(DebugSubsectionKind::StringTable) {}

Error DebugStringTableSubsectionRef::initialize(BinaryStreamRef Contents) {
  Stream = Contents;
  return Error::success();
}

Error DebugStringTableSubsectionRef::initialize(BinaryStreamReader &Reader) {
  return Reader.readStreamRef(Stream);
}

Expected<StringRef>
DebugStringTableSubsectionRef::getString(uint32_t Offset) const {
  BinaryStreamReader Reader(Stream);
  Reader.setOffset(Offset);
  StringRef Result;
  if (auto EC = Reader.readCString(Result))
    return std::move(EC);
  return Result;
}

DebugStringTableSubsection::DebugStringTableSubsection()
    : DebugSubsection(DebugSubsectionKind::StringTable) {}

uint32_t DebugStringTableSubsection::insert(StringRef S) {
  auto P = StringToId.insert({S, StringSize});

// If a given string didn't exist in the string table, we want to increment
  // the string table size and insert it into the reverse lookup.
  if (P.second) {
    IdToString.insert({P.first->getValue(), P.first->getKey()});
    StringSize += S.size() + 1; // +1 for '\0'
  }

return P.first->second;
}

uint32_t DebugStringTableSubsection::calculateSerializedSize() const {
  return StringSize;
}

Error DebugStringTableSubsection::commit(BinaryStreamWriter &Writer) const {
  uint32_t Begin = Writer.getOffset();
  uint32_t End = Begin + StringSize;

// Write a null string at the beginning.
  if (auto EC = Writer.writeCString(StringRef()))
    return EC;

for (auto &Pair : StringToId) {
    StringRef S = Pair.getKey();
    uint32_t Offset = Begin + Pair.getValue();
    Writer.setOffset(Offset);
    if (auto EC = Writer.writeCString(S))
      return EC;
    assert(Writer.getOffset() <= End);
  }

Writer.setOffset(End);
  assert((End - Begin) == StringSize);
  return Error::success();
}

uint32_t DebugStringTableSubsection::size() const { return StringToId.size(); }

std::vector<uint32_t> DebugStringTableSubsection::sortedIds() const {
  std::vector<uint32_t> Result;
  Result.reserve(IdToString.size());
  for (const auto &Entry : IdToString)
    Result.push_back(Entry.first);
  llvm::sort(Result);
  return Result;
}

uint32_t DebugStringTableSubsection::getIdForString(StringRef S) const {
  auto Iter = StringToId.find(S);
  assert(Iter != StringToId.end());
  return Iter->second;
}

StringRef DebugStringTableSubsection::getStringForId(uint32_t Id) const {
  auto Iter = IdToString.find(Id);
  assert(Iter != IdToString.end());
  return Iter->second;
}

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Editing: DebugStringTableSubsection.cpp

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