| /* Enumerate available IFUNC implementations of a function. AARCH64 version. |
| Copyright (C) 2017-2018 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 |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <assert.h> |
| #include <string.h> |
| #include <wchar.h> |
| #include <ldsodefs.h> |
| #include <ifunc-impl-list.h> |
| #include <init-arch.h> |
| #include <stdio.h> |
| |
| /* Maximum number of IFUNC implementations. */ |
| #define MAX_IFUNC 3 |
| |
| size_t |
| __libc_ifunc_impl_list (const char *name, struct libc_ifunc_impl *array, |
| size_t max) |
| { |
| assert (max >= MAX_IFUNC); |
| |
| size_t i = 0; |
| |
| INIT_ARCH (); |
| |
| /* Support sysdeps/aarch64/multiarch/memcpy.c and memmove.c. */ |
| IFUNC_IMPL (i, name, memcpy, |
| IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_thunderx) |
| IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_falkor) |
| IFUNC_IMPL_ADD (array, i, memcpy, 1, __memcpy_generic)) |
| IFUNC_IMPL (i, name, memmove, |
| IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_thunderx) |
| IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_falkor) |
| IFUNC_IMPL_ADD (array, i, memmove, 1, __memmove_generic)) |
| IFUNC_IMPL (i, name, memset, |
| /* Enable this on non-falkor processors too so that other cores |
| can do a comparative analysis with __memset_generic. */ |
| IFUNC_IMPL_ADD (array, i, memset, (zva_size == 64), __memset_falkor) |
| IFUNC_IMPL_ADD (array, i, memset, 1, __memset_generic)) |
| |
| return i; |
| } |