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diff --git a/gcc-4.9/libgcc/config/arc/gmon/machine-gmon.h b/gcc-4.9/libgcc/config/arc/gmon/machine-gmon.h
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+/* Copyright (C) 2007-2014 Free Software Foundation, Inc.
+ Contributor: Joern Rennecke <joern.rennecke@embecosm.com>
+ on behalf of Synopsys Inc.
+
+This file is part of GCC.
+
+GCC is free software; you can redistribute it and/or modify it under
+the terms of the GNU General Public License as published by the Free
+Software Foundation; either version 3, or (at your option) any later
+version.
+
+GCC 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 General Public License
+for more details.
+
+Under Section 7 of GPL version 3, you are granted additional
+permissions described in the GCC Runtime Library Exception, version
+3.1, as published by the Free Software Foundation.
+
+You should have received a copy of the GNU General Public License and
+a copy of the GCC Runtime Library Exception along with this program;
+see the files COPYING3 and COPYING.RUNTIME respectively. If not, see
+<http://www.gnu.org/licenses/>. */
+
+#ifndef MACHINE_GMON_H
+#define MACHINE_GMON_H
+
+/* We can't fake out own <sys/types.h> header because the newlib / uclibc
+ headers in GCC_FOR_TARGET take precedence. */
+
+#define __BEGIN_DECLS
+#define __END_DECLS
+
+#define __THROW
+
+extern int __dcache_linesz (void);
+
+#define _MCOUNT_DECL(countp, selfpc) \
+ static inline void _mcount_internal (void *countp, u_long selfpc)
+
+extern void _mcount (void);
+extern void _mcount_call (void);
+
+/* N.B.: the calling point might be a sibcall, thus blink does not necessarily
+ hold the caller's address. r8 doesn't hold the caller's address, either,
+ but rather a pointer to the counter data structure associated with the
+ caller.
+ This function must be compiled with optimization turned on in order to
+ enable a sibcall for the final call to selfpc; this is important when trying
+ to profile a program with deep tail-recursion that would get a stack
+ overflow otherwise. */
+#define MCOUNT \
+void \
+_mcount_call (void) \
+{ \
+ register void *countp __asm("r8"); \
+ register u_long selfpc __asm("r9"); \
+ _mcount_internal (countp, selfpc); \
+ ((void (*)(void)) selfpc) (); \
+}
+
+extern int __profil (u_short *,size_t, size_t, u_int);
+
+#endif /* MACHINE_GMON_H */