Cache ntdll exports in ELF

chrome_elf/ntdll_cache.h

Index: chrome_elf/ntdll_cache.h
diff --git a/chrome_elf/ntdll_cache.h b/chrome_elf/ntdll_cache.h
new file mode 100644
index 0000000000000000000000000000000000000000..0195f43bcad4575e2de391ea08dc5b657d0841ef
--- /dev/null
+++ b/chrome_elf/ntdll_cache.h
@@ -0,0 +1,15 @@
+// Copyright 2013 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#ifndef CHROME_ELF_NTDLL_CACHE_H_
+#define CHROME_ELF_NTDLL_CACHE_H_
+
+#include "chrome_elf/chrome_elf_types.h"
+
+// Caches the addresses of all functions exported by ntdll in  |g_ntdll_lookup|.
+void InitCache();
+
+extern FunctionLookupTable g_ntdll_lookup;
+
+#endif  // CHROME_ELF_NTDLL_CACHE_H_