1 files changed, 82 insertions, 0 deletions
diff --git a/third_party/llvm-project/include/llvm/DebugInfo/DWARF/DWARFGdbIndex.h b/third_party/llvm-project/include/llvm/DebugInfo/DWARF/DWARFGdbIndex.h
new file mode 100644
index 000000000..38cd42ddb
--- /dev/null
+++ b/third_party/llvm-project/include/llvm/DebugInfo/DWARF/DWARFGdbIndex.h
@@ -0,0 +1,82 @@
+//===- DWARFGdbIndex.h ------------------------------------------*- 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_DWARF_DWARFGDBINDEX_H
+#define LLVM_DEBUGINFO_DWARF_DWARFGDBINDEX_H
+
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/ADT/StringRef.h"
+#include "llvm/Support/DataExtractor.h"
+#include <cstdint>
+#include <utility>
+
+namespace llvm {
+
+class raw_ostream;
+
+class DWARFGdbIndex {
+  uint32_t Version;
+
+  uint32_t CuListOffset;
+  uint32_t TuListOffset;
+  uint32_t AddressAreaOffset;
+  uint32_t SymbolTableOffset;
+  uint32_t ConstantPoolOffset;
+
+  struct CompUnitEntry {
+    uint64_t Offset; /// Offset of a CU in the .debug_info section.
+    uint64_t Length; /// Length of that CU.
+  };
+  SmallVector<CompUnitEntry, 0> CuList;
+
+  struct TypeUnitEntry {
+    uint64_t Offset;
+    uint64_t TypeOffset;
+    uint64_t TypeSignature;
+  };
+  SmallVector<TypeUnitEntry, 0> TuList;
+
+  struct AddressEntry {
+    uint64_t LowAddress;  /// The low address.
+    uint64_t HighAddress; /// The high address.
+    uint32_t CuIndex;     /// The CU index.
+  };
+  SmallVector<AddressEntry, 0> AddressArea;
+
+  struct SymTableEntry {
+    uint32_t NameOffset; /// Offset of the symbol's name in the constant pool.
+    uint32_t VecOffset;  /// Offset of the CU vector in the constant pool.
+  };
+  SmallVector<SymTableEntry, 0> SymbolTable;
+
+  /// Each value is CU index + attributes.
+  SmallVector<std::pair<uint32_t, SmallVector<uint32_t, 0>>, 0>
+      ConstantPoolVectors;
+
+  StringRef ConstantPoolStrings;
+  uint32_t StringPoolOffset;
+
+  void dumpCUList(raw_ostream &OS) const;
+  void dumpTUList(raw_ostream &OS) const;
+  void dumpAddressArea(raw_ostream &OS) const;
+  void dumpSymbolTable(raw_ostream &OS) const;
+  void dumpConstantPool(raw_ostream &OS) const;
+
+  bool parseImpl(DataExtractor Data);
+
+public:
+  void dump(raw_ostream &OS);
+  void parse(DataExtractor Data);
+
+  bool HasContent = false;
+  bool HasError = false;
+};
+
+} // end namespace llvm
+
+#endif // LLVM_DEBUGINFO_DWARF_DWARFGDBINDEX_H