| /* Multiple versions of memmove. |
| All versions must be listed in ifunc-impl-list.c. |
| Copyright (C) 2010-2014 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/>. */ |
| |
| #ifndef NOT_IN_libc |
| # define MEMMOVE __memmove_sse2 |
| # ifdef SHARED |
| # undef libc_hidden_builtin_def |
| # define libc_hidden_builtin_def(name) \ |
| __hidden_ver1 (__memmove_sse2, __GI_memmove, __memmove_sse2); |
| # endif |
| |
| /* Redefine memmove so that the compiler won't complain about the type |
| mismatch with the IFUNC selector in strong_alias, below. */ |
| # undef memmove |
| # define memmove __redirect_memmove |
| # include <string.h> |
| # undef memmove |
| |
| extern __typeof (__redirect_memmove) __memmove_sse2 attribute_hidden; |
| extern __typeof (__redirect_memmove) __memmove_ssse3 attribute_hidden; |
| extern __typeof (__redirect_memmove) __memmove_ssse3_back attribute_hidden; |
| #endif |
| |
| #include "string/memmove.c" |
| |
| #ifndef NOT_IN_libc |
| # include <shlib-compat.h> |
| # include "init-arch.h" |
| |
| /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle |
| ifunc symbol properly. */ |
| extern __typeof (__redirect_memmove) __libc_memmove; |
| libc_ifunc (__libc_memmove, |
| HAS_SSSE3 |
| ? (HAS_FAST_COPY_BACKWARD |
| ? __memmove_ssse3_back : __memmove_ssse3) |
| : __memmove_sse2) |
| |
| strong_alias (__libc_memmove, memmove) |
| |
| # if SHLIB_COMPAT (libc, GLIBC_2_2_5, GLIBC_2_14) |
| compat_symbol (libc, memmove, memcpy, GLIBC_2_2_5); |
| # endif |
| #endif |
