mirror of
https://sourceware.org/git/glibc.git
synced 2024-12-11 05:40:06 +00:00
50 lines
1.5 KiB
C
50 lines
1.5 KiB
C
/* Multiple versions of memcpy.
|
|
Copyright (C) 2015-2020 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/>. */
|
|
|
|
#include <ifunc-memcpy.h>
|
|
|
|
#if HAVE_MEMCPY_IFUNC
|
|
# define memcpy __redirect_memcpy
|
|
# include <string.h>
|
|
# undef memcpy
|
|
# include <ifunc-resolve.h>
|
|
|
|
# if HAVE_MEMCPY_Z900_G5
|
|
extern __typeof (__redirect_memcpy) MEMCPY_Z900_G5 attribute_hidden;
|
|
# endif
|
|
|
|
# if HAVE_MEMCPY_Z10
|
|
extern __typeof (__redirect_memcpy) MEMCPY_Z10 attribute_hidden;
|
|
# endif
|
|
|
|
# if HAVE_MEMCPY_Z196
|
|
extern __typeof (__redirect_memcpy) MEMCPY_Z196 attribute_hidden;
|
|
# endif
|
|
|
|
s390_libc_ifunc_expr (__redirect_memcpy, memcpy,
|
|
({
|
|
s390_libc_ifunc_expr_stfle_init ();
|
|
(HAVE_MEMCPY_Z196 && S390_IS_Z196 (stfle_bits))
|
|
? MEMCPY_Z196
|
|
: (HAVE_MEMCPY_Z10 && S390_IS_Z10 (stfle_bits))
|
|
? MEMCPY_Z10
|
|
: MEMCPY_DEFAULT;
|
|
})
|
|
)
|
|
#endif
|