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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: DebugCrossImpSubsection.cpp

//===- DebugCrossImpSubsection.cpp ----------------------------------------===//
//
// 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/DebugCrossImpSubsection.h"
#include "llvm/ADT/ArrayRef.h"
#include "llvm/DebugInfo/CodeView/CodeViewError.h"
#include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
#include "llvm/Support/BinaryStreamReader.h"
#include "llvm/Support/BinaryStreamWriter.h"
#include "llvm/Support/Endian.h"
#include "llvm/Support/Error.h"
#include <algorithm>
#include <cstdint>
#include <utility>
#include <vector>

using namespace llvm;
using namespace llvm::codeview;

Error VarStreamArrayExtractor<CrossModuleImportItem>::
operator()(BinaryStreamRef Stream, uint32_t &Len,
           codeview::CrossModuleImportItem &Item) {
  BinaryStreamReader Reader(Stream);
  if (Reader.bytesRemaining() < sizeof(CrossModuleImport))
    return make_error<CodeViewError>(
        cv_error_code::insufficient_buffer,
        "Not enough bytes for a Cross Module Import Header!");
  if (auto EC = Reader.readObject(Item.Header))
    return EC;
  if (Reader.bytesRemaining() < Item.Header->Count * sizeof(uint32_t))
    return make_error<CodeViewError>(
        cv_error_code::insufficient_buffer,
        "Not enough to read specified number of Cross Module References!");
  if (auto EC = Reader.readArray(Item.Imports, Item.Header->Count))
    return EC;
  return Error::success();
}

Error DebugCrossModuleImportsSubsectionRef::initialize(
    BinaryStreamReader Reader) {
  return Reader.readArray(References, Reader.bytesRemaining());
}

Error DebugCrossModuleImportsSubsectionRef::initialize(BinaryStreamRef Stream) {
  BinaryStreamReader Reader(Stream);
  return initialize(Reader);
}

void DebugCrossModuleImportsSubsection::addImport(StringRef Module,
                                                  uint32_t ImportId) {
  Strings.insert(Module);
  std::vector<support::ulittle32_t> Targets = {support::ulittle32_t(ImportId)};
  auto Result = Mappings.insert(std::make_pair(Module, Targets));
  if (!Result.second)
    Result.first->getValue().push_back(Targets[0]);
}

uint32_t DebugCrossModuleImportsSubsection::calculateSerializedSize() const {
  uint32_t Size = 0;
  for (const auto &Item : Mappings) {
    Size += sizeof(CrossModuleImport);
    Size += sizeof(support::ulittle32_t) * Item.second.size();
  }
  return Size;
}

Error DebugCrossModuleImportsSubsection::commit(
    BinaryStreamWriter &Writer) const {
  using T = decltype(&*Mappings.begin());
  std::vector<T> Ids;
  Ids.reserve(Mappings.size());

for (const auto &M : Mappings)
    Ids.push_back(&M);

llvm::sort(Ids, [this](const T &L1, const T &L2) {
    return Strings.getIdForString(L1->getKey()) <
           Strings.getIdForString(L2->getKey());
  });

for (const auto &Item : Ids) {
    CrossModuleImport Imp;
    Imp.ModuleNameOffset = Strings.getIdForString(Item->getKey());
    Imp.Count = Item->getValue().size();
    if (auto EC = Writer.writeObject(Imp))
      return EC;
    if (auto EC = Writer.writeArray(makeArrayRef(Item->getValue())))
      return EC;
  }
  return Error::success();
}

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Editing: DebugCrossImpSubsection.cpp

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