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diff --git a/sysdeps/riscv/machine-gmon.h b/sysdeps/riscv/machine-gmon.h
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+/* RISC-V definitions for profiling support.
+ Copyright (C) 1996-2018 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/>. */
+
+/* Accept 'frompc' address as argument from the function that calls
+ _mcount for profiling. Use __builtin_return_address (0)
+ for the 'selfpc' address. */
+
+#include <sysdep.h>
+
+static void mcount_internal (unsigned long int frompc,
+ unsigned long int selfpc);
+
+#define _MCOUNT_DECL(frompc, selfpc) \
+static inline void mcount_internal (unsigned long int frompc, \
+unsigned long int selfpc)
+
+#define MCOUNT \
+void _mcount (void *frompc) \
+{ \
+ mcount_internal ((unsigned long int) frompc, \
+ (unsigned long int) RETURN_ADDRESS (0)); \
+}