1 files changed, 62 insertions, 0 deletions
diff --git a/third_party/llvm-project/include/llvm/DebugInfo/DWARF/DWARFDebugMacro.h b/third_party/llvm-project/include/llvm/DebugInfo/DWARF/DWARFDebugMacro.h
new file mode 100644
index 000000000..7880bcdf6
--- /dev/null
+++ b/third_party/llvm-project/include/llvm/DebugInfo/DWARF/DWARFDebugMacro.h
@@ -0,0 +1,62 @@
+//===- DWARFDebugMacro.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_DWARFDEBUGMACRO_H
+#define LLVM_DEBUGINFO_DWARF_DWARFDEBUGMACRO_H
+
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/Support/DataExtractor.h"
+#include <cstdint>
+
+namespace llvm {
+
+class raw_ostream;
+
+class DWARFDebugMacro {
+  /// A single macro entry within a macro list.
+  struct Entry {
+    /// The type of the macro entry.
+    uint32_t Type;
+    union {
+      /// The source line where the macro is defined.
+      uint64_t Line;
+      /// Vendor extension constant value.
+      uint64_t ExtConstant;
+    };
+
+    union {
+      /// The string (name, value) of the macro entry.
+      const char *MacroStr;
+      // An unsigned integer indicating the identity of the source file.
+      uint64_t File;
+      /// Vendor extension string.
+      const char *ExtStr;
+    };
+  };
+
+  using MacroList = SmallVector<Entry, 4>;
+
+  /// A list of all the macro entries in the debug_macinfo section.
+  std::vector<MacroList> MacroLists;
+
+public:
+  DWARFDebugMacro() = default;
+
+  /// Print the macro list found within the debug_macinfo section.
+  void dump(raw_ostream &OS) const;
+
+  /// Parse the debug_macinfo section accessible via the 'data' parameter.
+  void parse(DataExtractor data);
+
+  /// Return whether the section has any entries.
+  bool empty() const { return MacroLists.empty(); }
+};
+
+} // end namespace llvm
+
+#endif // LLVM_DEBUGINFO_DWARF_DWARFDEBUGMACRO_H