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/* x86-64-specific implementation of profiling support.
Copyright (C) 2002-2019 Free Software Foundation, Inc.
This file is part of the GNU C Library.
Contributed by Andreas Jaeger <aj@suse.de>, 2002.
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
<https://www.gnu.org/licenses/>. */
#include <sysdep.h>
/* We need a special version of the `mcount' function since for x86-64
so that we do not use __builtin_return_address (N) and avoid
clobbering of register. */
/* We must not pollute the global namespace. */
#define mcount_internal __mcount_internal
void mcount_internal (u_long frompc, u_long selfpc);
#define _MCOUNT_DECL(frompc, selfpc) \
void mcount_internal (u_long frompc, u_long selfpc)
/* Define MCOUNT as empty since we have the implementation in another
file. */
#define MCOUNT
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