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

1 files changed, 64 insertions, 0 deletions

diff --git a/clang-r353983/include/llvm/DebugInfo/PDB/Native/PDBStringTable.h b/clang-r353983/include/llvm/DebugInfo/PDB/Native/PDBStringTable.h
new file mode 100644
index 00000000..57f0b64a
--- /dev/null
+++ b/clang-r353983/include/llvm/DebugInfo/PDB/Native/PDBStringTable.h
@@ -0,0 +1,64 @@
+//===- PDBStringTable.h - PDB String Table -----------------------*- 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_PDBSTRINGTABLE_H
+#define LLVM_DEBUGINFO_PDB_RAW_PDBSTRINGTABLE_H
+
+#include "llvm/ADT/ArrayRef.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/DebugInfo/CodeView/DebugStringTableSubsection.h"
+#include "llvm/Support/BinaryStreamArray.h"
+#include "llvm/Support/BinaryStreamRef.h"
+#include "llvm/Support/Endian.h"
+#include "llvm/Support/Error.h"
+#include <cstdint>
+#include <vector>
+
+namespace llvm {
+class BinaryStreamReader;
+
+namespace msf {
+class MappedBlockStream;
+}
+
+namespace pdb {
+
+struct PDBStringTableHeader;
+
+class PDBStringTable {
+public:
+  Error reload(BinaryStreamReader &Reader);
+
+  uint32_t getByteSize() const;
+  uint32_t getNameCount() const;
+  uint32_t getHashVersion() const;
+  uint32_t getSignature() const;
+
+  Expected<StringRef> getStringForID(uint32_t ID) const;
+  Expected<uint32_t> getIDForString(StringRef Str) const;
+
+  FixedStreamArray<support::ulittle32_t> name_ids() const;
+
+  const codeview::DebugStringTableSubsectionRef &getStringTable() const;
+
+private:
+  Error readHeader(BinaryStreamReader &Reader);
+  Error readStrings(BinaryStreamReader &Reader);
+  Error readHashTable(BinaryStreamReader &Reader);
+  Error readEpilogue(BinaryStreamReader &Reader);
+
+  const PDBStringTableHeader *Header = nullptr;
+  codeview::DebugStringTableSubsectionRef Strings;
+  FixedStreamArray<support::ulittle32_t> IDs;
+  uint32_t NameCount = 0;
+};
+
+} // end namespace pdb
+} // end namespace llvm
+
+#endif // LLVM_DEBUGINFO_PDB_RAW_STRINGTABLE_H