initial import
diff --git a/LEB128.h b/LEB128.h
new file mode 100644
index 0000000..bf555e9
--- /dev/null
+++ b/LEB128.h
@@ -0,0 +1,38 @@
+//===- llvm/Support/LEB128.h - [SU]LEB128 utility functions -----*- C++ -*-===//
+//
+// The LLVM Compiler Infrastructure
+//
+// This file is distributed under the University of Illinois Open Source
+// License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file declares some utility functions for encoding SLEB128 and
+// ULEB128 values.
+//
+//===----------------------------------------------------------------------===//
+
+/* Capstone Disassembler Engine */
+/* By Nguyen Anh Quynh <aquynh@gmail.com>, 2013> */
+
+#ifndef CS_LLVM_SUPPORT_LEB128_H
+#define CS_LLVM_SUPPORT_LEB128_H
+
+#include <stdint.h>
+
+/// Utility function to decode a ULEB128 value.
+static inline uint64_t decodeULEB128(const uint8_t *p, unsigned *n)
+{
+ const uint8_t *orig_p = p;
+ uint64_t Value = 0;
+ unsigned Shift = 0;
+ do {
+ Value += (*p & 0x7f) << Shift;
+ Shift += 7;
+ } while (*p++ >= 128);
+ if (n)
+ *n = (unsigned)(p - orig_p);
+ return Value;
+}
+
+#endif // LLVM_SYSTEM_LEB128_H