1 files changed, 62 insertions, 0 deletions
diff --git a/contrib/llvm-project/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugMacro.h b/contrib/llvm-project/lldb/source/Plugins/SymbolFile/DWARF/DWARFDebugMacro.h
new file mode 100644
index 000000000000..67d1cde8d5de
--- /dev/null
+++ b/contrib/llvm-project/lldb/source/Plugins/SymbolFile/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 LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGMACRO_H
+#define LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGMACRO_H
+
+#include <map>
+
+#include "lldb/Core/dwarf.h"
+#include "lldb/Symbol/DebugMacros.h"
+#include "lldb/lldb-types.h"
+
+namespace lldb_private {
+class DWARFDataExtractor;
+}
+
+namespace lldb_private::plugin {
+namespace dwarf {
+class SymbolFileDWARF;
+
+class DWARFDebugMacroHeader {
+public:
+  enum HeaderFlagMask {
+    OFFSET_SIZE_MASK = 0x1,
+    DEBUG_LINE_OFFSET_MASK = 0x2,
+    OPCODE_OPERANDS_TABLE_MASK = 0x4
+  };
+
+  static DWARFDebugMacroHeader
+  ParseHeader(const DWARFDataExtractor &debug_macro_data,
+              lldb::offset_t *offset);
+
+  bool OffsetIs64Bit() const { return m_offset_is_64_bit; }
+
+private:
+  static void SkipOperandTable(const DWARFDataExtractor &debug_macro_data,
+                               lldb::offset_t *offset);
+
+  uint16_t m_version = 0;
+  bool m_offset_is_64_bit = false;
+  uint64_t m_debug_line_offset = 0;
+};
+
+class DWARFDebugMacroEntry {
+public:
+  static void ReadMacroEntries(const DWARFDataExtractor &debug_macro_data,
+                               const DWARFDataExtractor &debug_str_data,
+                               const bool offset_is_64_bit,
+                               lldb::offset_t *sect_offset,
+                               SymbolFileDWARF *sym_file_dwarf,
+                               DebugMacrosSP &debug_macros_sp);
+};
+} // namespace dwarf
+} // namespace lldb_private::plugin
+
+#endif // LLDB_SOURCE_PLUGINS_SYMBOLFILE_DWARF_DWARFDEBUGMACRO_H