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+/* Machine-dependent definitions for profiling support.  Generic GCC 2 version.
+Copyright (C) 1996 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 Library General Public License as
+published by the Free Software Foundation; either version 2 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
+Library General Public License for more details.
+
+You should have received a copy of the GNU Library General Public
+License along with the GNU C Library; see the file COPYING.LIB.  If
+not, write to the Free Software Foundation, Inc., 675 Mass Ave,
+Cambridge, MA 02139, USA.  */
+
+/* GCC version 2 gives us a perfect magical function to get
+   just the information we need:
+     void *__builtin_return_address (unsigned int N)
+   returns the return address of the frame N frames up.  */
+
+#if __GNUC__ < 2
+ #error "This file uses __builtin_return_address, a GCC 2 extension."
+#endif
+
+#include <sysdep.h>
+#ifndef NO_UNDERSCORES
+/* The asm symbols for C functions are `_function'.
+   The canonical name for the counter function is `mcount', no _.  */
+void _mcount (void) asm ("mcount");
+#endif
+
+#define _MCOUNT_DECL(frompc, selfpc) \
+static inline void mcount_internal (frompc, selfpc)
+
+#define MCOUNT \
+void _mcount (void)							      \
+{									      \
+  mcount_internal ((u_long) __builtin_return_address (0),		      \
+		   (u_long) __builtin_return_address (1));		      \
+}