Add libc++ and libc++abi to third-party.

third_party/libc++abi/src/Unwind/unwind_ext.h

Index: third_party/libc++abi/src/Unwind/unwind_ext.h
===================================================================
--- third_party/libc++abi/src/Unwind/unwind_ext.h	(revision 0)
+++ third_party/libc++abi/src/Unwind/unwind_ext.h	(revision 0)
@@ -0,0 +1,37 @@
+//===-------------------------- unwind_ext.h ------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//
+//  Extensions to unwind API.
+//
+//===----------------------------------------------------------------------===//
+
+#ifndef __UNWIND_EXT__
+#define __UNWIND_EXT__
+
+#include "unwind.h"
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+// These platform specific functions to get and set the top context are
+// implemented elsewhere.
+
+extern struct _Unwind_FunctionContext *
+__Unwind_SjLj_GetTopOfFunctionStack();
+
+extern void
+__Unwind_SjLj_SetTopOfFunctionStack(struct _Unwind_FunctionContext *fc);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif // __UNWIND_EXT__
+
+
Property changes on: third_party/libc++abi/src/Unwind/unwind_ext.h
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Added: svn:eol-style
   + LF