1 //===- InfoStream.h - PDB Info Stream (Stream 1) Access ---------*- C++ -*-===// 2 // 3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions. 4 // See https://llvm.org/LICENSE.txt for license information. 5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception 6 // 7 //===----------------------------------------------------------------------===// 8 9 #ifndef LLVM_DEBUGINFO_PDB_RAW_PDBINFOSTREAM_H 10 #define LLVM_DEBUGINFO_PDB_RAW_PDBINFOSTREAM_H 11 12 #include "llvm/ADT/BitmaskEnum.h" 13 #include "llvm/ADT/StringMap.h" 14 #include "llvm/DebugInfo/CodeView/GUID.h" 15 #include "llvm/DebugInfo/MSF/MappedBlockStream.h" 16 #include "llvm/DebugInfo/PDB/Native/NamedStreamMap.h" 17 #include "llvm/DebugInfo/PDB/Native/RawConstants.h" 18 #include "llvm/DebugInfo/PDB/PDBTypes.h" 19 20 #include "llvm/Support/Endian.h" 21 #include "llvm/Support/Error.h" 22 23 namespace llvm { 24 namespace pdb { 25 class InfoStreamBuilder; 26 class PDBFile; 27 28 class InfoStream { 29 friend class InfoStreamBuilder; 30 31 public: 32 InfoStream(std::unique_ptr<BinaryStream> Stream); 33 34 Error reload(); 35 36 uint32_t getStreamSize() const; 37 38 const InfoStreamHeader *getHeader() const { return Header; } 39 40 bool containsIdStream() const; 41 PdbRaw_ImplVer getVersion() const; 42 uint32_t getSignature() const; 43 uint32_t getAge() const; 44 codeview::GUID getGuid() const; 45 uint32_t getNamedStreamMapByteSize() const; 46 47 PdbRaw_Features getFeatures() const; 48 ArrayRef<PdbRaw_FeatureSig> getFeatureSignatures() const; 49 50 const NamedStreamMap &getNamedStreams() const; 51 52 BinarySubstreamRef getNamedStreamsBuffer() const; 53 54 Expected<uint32_t> getNamedStreamIndex(llvm::StringRef Name) const; 55 StringMap<uint32_t> named_streams() const; 56 57 private: 58 std::unique_ptr<BinaryStream> Stream; 59 60 const InfoStreamHeader *Header; 61 62 BinarySubstreamRef SubNamedStreams; 63 64 std::vector<PdbRaw_FeatureSig> FeatureSignatures; 65 PdbRaw_Features Features = PdbFeatureNone; 66 67 uint32_t NamedStreamMapByteSize = 0; 68 69 NamedStreamMap NamedStreams; 70 }; 71 } 72 } 73 74 #endif 75