1 files changed, 38 insertions, 0 deletions
diff --git a/llvm/lib/DebugInfo/DWARFAcceleratorTable.h b/llvm/lib/DebugInfo/DWARFAcceleratorTable.h
new file mode 100644
index 00000000000..bb25917b47d
--- /dev/null
+++ b/llvm/lib/DebugInfo/DWARFAcceleratorTable.h
@@ -0,0 +1,38 @@
+
+#include "llvm/ADT/SmallVector.h"
+#include "llvm/DebugInfo/DWARFFormValue.h"
+
+#include <cstdint>
+
+namespace llvm {
+
+class DWARFAcceleratorTable {
+
+  struct Header {
+    uint32_t Magic;
+    uint16_t Version;
+    uint16_t HashFunction;
+    uint32_t NumBuckets;
+    uint32_t NumHashes;
+    uint32_t HeaderDataLength;
+  };
+
+  struct HeaderData {
+    typedef uint16_t AtomType;
+    uint32_t DIEOffsetBase;
+    SmallVector<std::pair<AtomType, DWARFFormValue>, 1> Atoms;
+  };
+
+  struct Header Hdr;
+  struct HeaderData HdrData;
+  DataExtractor AccelSection;
+  DataExtractor StringSection;
+public:
+  DWARFAcceleratorTable(DataExtractor AccelSection, DataExtractor StringSection)
+    : AccelSection(AccelSection), StringSection(StringSection) {}
+
+  bool extract();
+  void dump(raw_ostream &OS);
+};
+
+}