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diff --git a/ports/sysdeps/arm/machine-gmon.h b/ports/sysdeps/arm/machine-gmon.h
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+/* Machine-dependent definitions for profiling support. ARM EABI version.
+ Copyright (C) 2008, 2009 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+
+ The GNU C Library is free software; you can redistribute it and/or
+ modify it under the terms of the GNU Lesser General Public
+ License as published by the Free Software Foundation; either
+ version 2.1 of the License, or (at your option) any later version.
+
+ The GNU C Library is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public
+ License along with the GNU C Library. If not, see
+ <http://www.gnu.org/licenses/>. */
+
+#include <sysdep.h>
+
+/* GCC for the ARM cannot compile __builtin_return_address(N) for N != 0,
+ so we must use an assembly stub. */
+
+/* We must not pollute the global namespace. */
+#define mcount_internal __mcount_internal
+
+extern void mcount_internal (u_long frompc, u_long selfpc) internal_function;
+#define _MCOUNT_DECL(frompc, selfpc) \
+ void internal_function mcount_internal (u_long frompc, u_long selfpc)
+
+
+/* Define MCOUNT as empty since we have the implementation in another file. */
+#define MCOUNT