1 files changed, 41 insertions, 0 deletions
diff --git a/llvm/lib/DebugInfo/DWARF/DWARFUnitIndex.cpp b/llvm/lib/DebugInfo/DWARF/DWARFUnitIndex.cpp
new file mode 100644
index 00000000000..5970fe03360
--- /dev/null
+++ b/llvm/lib/DebugInfo/DWARF/DWARFUnitIndex.cpp
@@ -0,0 +1,41 @@
+//===-- DWARFUnitIndex.cpp ------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+#include "llvm/DebugInfo/DWARF/DWARFUnitIndex.h"
+
+namespace llvm {
+
+bool DWARFUnitIndex::Header::parse(DataExtractor IndexData, uint32_t *OffsetPtr) {
+  Version = IndexData.getU32(OffsetPtr);
+  NumColumns = IndexData.getU32(OffsetPtr);
+  NumUnits = IndexData.getU32(OffsetPtr);
+  NumBuckets = IndexData.getU32(OffsetPtr);
+  return Version <= 2;
+}
+
+void DWARFUnitIndex::Header::dump(raw_ostream &OS) const {
+  OS << "Index header:\n" << format("   version: %u\n", Version)
+     << format("   columns: %u\n", NumColumns)
+     << format("     units: %u\n", NumUnits)
+     << format("   buckets: %u\n", NumBuckets);
+}
+
+bool DWARFUnitIndex::parse(DataExtractor IndexData) {
+  uint32_t Offset = 0;
+  if (!Header.parse(IndexData, &Offset))
+    return false;
+
+  return true;
+}
+
+void DWARFUnitIndex::dump(raw_ostream &OS) const {
+  Header.dump(OS);
+}
+
+}