Blame sysdeps/x86_64/multiarch/memcpy_chk.c

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/* Multiple versions of __memcpy_chk
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   All versions must be listed in ifunc-impl-list.c.
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   Copyright (C) 2017-2018 Free Software Foundation, Inc.
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   This file is part of the GNU C Library.
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   The GNU C Library is free software; you can redistribute it and/or
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   modify it under the terms of the GNU Lesser General Public
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   License as published by the Free Software Foundation; either
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   version 2.1 of the License, or (at your option) any later version.
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   The GNU C Library is distributed in the hope that it will be useful,
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   but WITHOUT ANY WARRANTY; without even the implied warranty of
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   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
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   Lesser General Public License for more details.
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   You should have received a copy of the GNU Lesser General Public
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   License along with the GNU C Library; if not, see
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   <http://www.gnu.org/licenses/>.  */
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/* Define multiple versions only for the definition in libc.so. */
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#if IS_IN (libc) && defined SHARED
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# define __memcpy_chk __redirect_memcpy_chk
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# include <string.h>
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# undef __memcpy_chk
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# define SYMBOL_NAME memcpy_chk
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# include "ifunc-memmove.h"
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libc_ifunc_redirected (__redirect_memcpy_chk, __memcpy_chk,
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		       IFUNC_SELECTOR ());
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#endif