Merge "Update prebuilt Clang to r353983." into p9.0HEADp9.0-backupp9.0

1 files changed, 76 insertions, 0 deletions

diff --git a/clang-r353983/include/llvm/DebugInfo/PDB/Native/InfoStreamBuilder.h b/clang-r353983/include/llvm/DebugInfo/PDB/Native/InfoStreamBuilder.h
new file mode 100644
index 00000000..208a37c4
--- /dev/null
+++ b/clang-r353983/include/llvm/DebugInfo/PDB/Native/InfoStreamBuilder.h
@@ -0,0 +1,76 @@
+//===- InfoStreamBuilder.h - PDB Info Stream Creation -----------*- 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_PDBINFOSTREAMBUILDER_H
+#define LLVM_DEBUGINFO_PDB_RAW_PDBINFOSTREAMBUILDER_H
+
+#include "llvm/ADT/Optional.h"
+#include "llvm/Support/Error.h"
+
+#include "llvm/DebugInfo/PDB/Native/NamedStreamMap.h"
+#include "llvm/DebugInfo/PDB/Native/PDBFile.h"
+#include "llvm/DebugInfo/PDB/Native/RawConstants.h"
+#include "llvm/DebugInfo/PDB/PDBTypes.h"
+
+namespace llvm {
+class WritableBinaryStreamRef;
+
+namespace msf {
+class MSFBuilder;
+}
+namespace pdb {
+class PDBFile;
+class NamedStreamMap;
+
+class InfoStreamBuilder {
+public:
+  InfoStreamBuilder(msf::MSFBuilder &Msf, NamedStreamMap &NamedStreams);
+  InfoStreamBuilder(const InfoStreamBuilder &) = delete;
+  InfoStreamBuilder &operator=(const InfoStreamBuilder &) = delete;
+
+  void setVersion(PdbRaw_ImplVer V);
+  void addFeature(PdbRaw_FeatureSig Sig);
+
+  // If this is true, the PDB contents are hashed and this hash is used as
+  // PDB GUID and as Signature. The age is always 1.
+  void setHashPDBContentsToGUID(bool B);
+
+  // These only have an effect if hashPDBContentsToGUID() is false.
+  void setSignature(uint32_t S);
+  void setAge(uint32_t A);
+  void setGuid(codeview::GUID G);
+
+  bool hashPDBContentsToGUID() const { return HashPDBContentsToGUID; }
+  uint32_t getAge() const { return Age; }
+  codeview::GUID getGuid() const { return Guid; }
+  Optional<uint32_t> getSignature() const { return Signature; }
+
+  uint32_t finalize();
+
+  Error finalizeMsfLayout();
+
+  Error commit(const msf::MSFLayout &Layout,
+               WritableBinaryStreamRef Buffer) const;
+
+private:
+  msf::MSFBuilder &Msf;
+
+  std::vector<PdbRaw_FeatureSig> Features;
+  PdbRaw_ImplVer Ver;
+  uint32_t Age;
+  Optional<uint32_t> Signature;
+  codeview::GUID Guid;
+
+  bool HashPDBContentsToGUID = false;
+
+  NamedStreamMap &NamedStreams;
+};
+}
+}
+
+#endif