/* Multiple versions of memcpy.
   Copyright (C) 2013-2022 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
   <https://www.gnu.org/licenses/>.  */

/* Define multiple versions only for the definition in lib and for
   DSO.  In static binaries we need memcpy before the initialization
   happened.  */
#if defined SHARED && IS_IN (libc)
# undef memcpy
# define memcpy __redirect_memcpy
# include <string.h>
# include <shlib-compat.h>
# include "init-arch.h"

extern __typeof (memcpy) __memcpy_ppc attribute_hidden;
extern __typeof (memcpy) __memcpy_cell attribute_hidden;
extern __typeof (memcpy) __memcpy_power6 attribute_hidden;
extern __typeof (memcpy) __memcpy_a2 attribute_hidden;
extern __typeof (memcpy) __memcpy_power7 attribute_hidden;
# undef memcpy

/* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
   ifunc symbol properly.  */
libc_ifunc_redirected (__redirect_memcpy, memcpy,
		       (hwcap & PPC_FEATURE_HAS_VSX)
		       ? __memcpy_power7
		       : (hwcap & PPC_FEATURE_ARCH_2_06)
			 ? __memcpy_a2
			 : (hwcap & PPC_FEATURE_ARCH_2_05)
			   ? __memcpy_power6
			   : (hwcap & PPC_FEATURE_CELL_BE)
			     ? __memcpy_cell
			     : __memcpy_ppc);
#endif
