1 //===- InfoStreamBuilder.h - PDB Info Stream Creation -----------*- 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_NATIVE_INFOSTREAMBUILDER_H 10 #define LLVM_DEBUGINFO_PDB_NATIVE_INFOSTREAMBUILDER_H 11 12 #include "llvm/Support/Error.h" 13 14 #include "llvm/DebugInfo/CodeView/GUID.h" 15 #include "llvm/DebugInfo/PDB/Native/RawConstants.h" 16 17 namespace llvm { 18 class WritableBinaryStreamRef; 19 20 namespace msf { 21 class MSFBuilder; 22 struct MSFLayout; 23 } 24 namespace pdb { 25 class NamedStreamMap; 26 27 class InfoStreamBuilder { 28 public: 29 InfoStreamBuilder(msf::MSFBuilder &Msf, NamedStreamMap &NamedStreams); 30 InfoStreamBuilder(const InfoStreamBuilder &) = delete; 31 InfoStreamBuilder &operator=(const InfoStreamBuilder &) = delete; 32 33 void setVersion(PdbRaw_ImplVer V); 34 void addFeature(PdbRaw_FeatureSig Sig); 35 36 // If this is true, the PDB contents are hashed and this hash is used as 37 // PDB GUID and as Signature. The age is always 1. 38 void setHashPDBContentsToGUID(bool B); 39 40 // These only have an effect if hashPDBContentsToGUID() is false. 41 void setSignature(uint32_t S); 42 void setAge(uint32_t A); 43 void setGuid(codeview::GUID G); 44 hashPDBContentsToGUID()45 bool hashPDBContentsToGUID() const { return HashPDBContentsToGUID; } getAge()46 uint32_t getAge() const { return Age; } getGuid()47 codeview::GUID getGuid() const { return Guid; } getSignature()48 std::optional<uint32_t> getSignature() const { return Signature; } 49 50 uint32_t finalize(); 51 52 Error finalizeMsfLayout(); 53 54 Error commit(const msf::MSFLayout &Layout, 55 WritableBinaryStreamRef Buffer) const; 56 57 private: 58 msf::MSFBuilder &Msf; 59 60 std::vector<PdbRaw_FeatureSig> Features; 61 PdbRaw_ImplVer Ver; 62 uint32_t Age; 63 std::optional<uint32_t> Signature; 64 codeview::GUID Guid; 65 66 bool HashPDBContentsToGUID = false; 67 68 NamedStreamMap &NamedStreams; 69 }; 70 } // namespace pdb 71 } 72 73 #endif 74