1 /* Multiple versions of memcpy.
2 Copyright (C) 2013-2023 Free Software Foundation, Inc.
3 This file is part of the GNU C Library.
5 The GNU C Library is free software; you can redistribute it and/or
6 modify it under the terms of the GNU Lesser General Public
7 License as published by the Free Software Foundation; either
8 version 2.1 of the License, or (at your option) any later version.
10 The GNU C Library is distributed in the hope that it will be useful,
11 but WITHOUT ANY WARRANTY; without even the implied warranty of
12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13 Lesser General Public License for more details.
15 You should have received a copy of the GNU Lesser General Public
16 License along with the GNU C Library; if not, see
17 <https://www.gnu.org/licenses/>. */
19 /* Define multiple versions only for the definition in lib and for
20 DSO. In static binaries we need memcpy before the initialization
22 #if defined SHARED && IS_IN (libc)
24 # define memcpy __redirect_memcpy
26 # include <shlib-compat.h>
27 # include "init-arch.h"
29 extern __typeof (memcpy
) __memcpy_ppc attribute_hidden
;
30 extern __typeof (memcpy
) __memcpy_cell attribute_hidden
;
31 extern __typeof (memcpy
) __memcpy_power6 attribute_hidden
;
32 extern __typeof (memcpy
) __memcpy_a2 attribute_hidden
;
33 extern __typeof (memcpy
) __memcpy_power7 attribute_hidden
;
36 /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle
37 ifunc symbol properly. */
38 libc_ifunc_redirected (__redirect_memcpy
, memcpy
,
39 (hwcap
& PPC_FEATURE_HAS_VSX
)
41 : (hwcap
& PPC_FEATURE_ARCH_2_06
)
43 : (hwcap
& PPC_FEATURE_ARCH_2_05
)
45 : (hwcap
& PPC_FEATURE_CELL_BE
)