Adding disassembler interface and external hook to udis86 library.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@33358 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/Support/Disassembler.h

@@ -0,0 +1,36 @@
+//===- llvm/Support/Disassembler.h ------------------------------*- C++ -*-===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file was developed by Anton Korobeynikov and is distributed under the
+// University of Illinois Open Source License. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+//
+// This file implements the necessary glue to call external disassembler
+// libraries.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef LLVM_SUPPORT_DISASSEMBLER_H
+#define LLVM_SUPPORT_DISASSEMBLER_H
+
+#include "llvm/Support/DataTypes.h"
+#include <string>
+
+namespace llvm {
+
+namespace Disassembler {
+  enum Type {
+    X86_32,
+    X86_64,
+    Undefined
+  };
+}
+  
+
+std::string disassembleBuffer(uint8_t* start, size_t length,
+                              Disassembler::Type type, uint64_t pc);
+}
+
+#endif // LLVM_SUPPORT_DISASSEMBLER_H