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usr / src / contrib / llvm-project / llvm / include / llvm / DebugInfo / PDB / Native /

📁 ..
📄 DbiModuleDescriptor.h(2.11 KB)
📄 DbiModuleDescriptorBuilder.h(3.13 KB)
📄 DbiModuleList.h(4 KB)
📄 DbiStream.h(4.33 KB)
📄 DbiStreamBuilder.h(4.21 KB)
📄 EnumTables.h(674 B)
📄 Formatters.h(1.77 KB)
📄 GSIStreamBuilder.h(4.71 KB)
📄 GlobalsStream.h(2.89 KB)
📄 Hash.h(785 B)
📄 HashTable.h(10.24 KB)
📄 ISectionContribVisitor.h(865 B)
📄 InfoStream.h(1.94 KB)
📄 InfoStreamBuilder.h(2.11 KB)
📄 InjectedSourceStream.h(1.3 KB)
📄 ModuleDebugStream.h(2.79 KB)
📄 NamedStreamMap.h(1.95 KB)
📄 NativeCompilandSymbol.h(1.24 KB)
📄 NativeEnumGlobals.h(1.18 KB)
📄 NativeEnumInjectedSources.h(1.34 KB)
📄 NativeEnumLineNumbers.h(1.28 KB)
📄 NativeEnumModules.h(1 KB)
📄 NativeEnumTypes.h(1.41 KB)
📄 NativeExeSymbol.h(1.16 KB)
📄 NativeFunctionSymbol.h(1.5 KB)
📄 NativeLineNumber.h(1.77 KB)
📄 NativePublicSymbol.h(1.46 KB)
📄 NativeRawSymbol.h(9.86 KB)
📄 NativeSession.h(5.12 KB)
📄 NativeSourceFile.h(1.33 KB)
📄 NativeSymbolEnumerator.h(1.68 KB)
📄 NativeTypeArray.h(1.41 KB)
📄 NativeTypeBuiltin.h(1.41 KB)
📄 NativeTypeEnum.h(2.56 KB)
📄 NativeTypeFunctionSig.h(2.31 KB)
📄 NativeTypePointer.h(2.08 KB)
📄 NativeTypeTypedef.h(1.29 KB)
📄 NativeTypeUDT.h(2.51 KB)
📄 NativeTypeVTShape.h(1.46 KB)
📄 PDBFile.h(4.4 KB)
📄 PDBFileBuilder.h(3.54 KB)
📄 PDBStringTable.h(1.81 KB)
📄 PDBStringTableBuilder.h(2.06 KB)
📄 PublicsStream.h(1.77 KB)
📄 RawConstants.h(3.03 KB)
📄 RawError.h(1.5 KB)
📄 RawTypes.h(11.91 KB)
📄 SymbolCache.h(6.94 KB)
📄 SymbolStream.h(1.12 KB)
📄 TpiHashing.h(1.93 KB)
📄 TpiStream.h(2.72 KB)
📄 TpiStreamBuilder.h(2.45 KB)

Editing: GlobalsStream.h

//===- GlobalsStream.h - PDB Index of Symbols by Name -----------*- 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_PDB_RAW_GLOBALS_STREAM_H
#define LLVM_DEBUGINFO_PDB_RAW_GLOBALS_STREAM_H

#include "llvm/ADT/iterator.h"
#include "llvm/DebugInfo/CodeView/SymbolRecord.h"
#include "llvm/DebugInfo/MSF/MappedBlockStream.h"
#include "llvm/DebugInfo/PDB/Native/RawConstants.h"
#include "llvm/DebugInfo/PDB/Native/RawTypes.h"
#include "llvm/DebugInfo/PDB/PDBTypes.h"
#include "llvm/Support/BinaryStreamArray.h"
#include "llvm/Support/Error.h"

namespace llvm {
namespace pdb {
class DbiStream;
class PDBFile;
class SymbolStream;

/// Iterator over hash records producing symbol record offsets. Abstracts away
/// the fact that symbol record offsets on disk are off-by-one.
class GSIHashIterator
    : public iterator_adaptor_base<
          GSIHashIterator, FixedStreamArrayIterator<PSHashRecord>,
          std::random_access_iterator_tag, const uint32_t> {
public:
  template <typename T>
  GSIHashIterator(T &&v)
      : GSIHashIterator::iterator_adaptor_base(std::forward<T &&>(v)) {}

uint32_t operator*() const {
    uint32_t Off = this->I->Off;
    return --Off;
  }
};

/// From https://github.com/Microsoft/microsoft-pdb/blob/master/PDB/dbi/gsi.cpp
enum : unsigned { IPHR_HASH = 4096 };

/// A readonly view of a hash table used in the globals and publics streams.
/// Most clients will only want to iterate this to get symbol record offsets
/// into the PDB symbol stream.
class GSIHashTable {
public:
  const GSIHashHeader *HashHdr;
  FixedStreamArray<PSHashRecord> HashRecords;
  FixedStreamArray<support::ulittle32_t> HashBitmap;
  FixedStreamArray<support::ulittle32_t> HashBuckets;
  std::array<int32_t, IPHR_HASH + 1> BucketMap;

Error read(BinaryStreamReader &Reader);

uint32_t getVerSignature() const { return HashHdr->VerSignature; }
  uint32_t getVerHeader() const { return HashHdr->VerHdr; }
  uint32_t getHashRecordSize() const { return HashHdr->HrSize; }
  uint32_t getNumBuckets() const { return HashHdr->NumBuckets; }

typedef GSIHashHeader iterator;
  GSIHashIterator begin() const { return GSIHashIterator(HashRecords.begin()); }
  GSIHashIterator end() const { return GSIHashIterator(HashRecords.end()); }
};

class GlobalsStream {
public:
  explicit GlobalsStream(std::unique_ptr<msf::MappedBlockStream> Stream);
  ~GlobalsStream();
  const GSIHashTable &getGlobalsTable() const { return GlobalsTable; }
  Error reload();

std::vector<std::pair<uint32_t, codeview::CVSymbol>>
  findRecordsByName(StringRef Name, const SymbolStream &Symbols) const;

private:
  GSIHashTable GlobalsTable;
  std::unique_ptr<msf::MappedBlockStream> Stream;
};
}
}

#endif

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Editing: GlobalsStream.h

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