/* Multiple versions of strstr. All versions must be listed in ifunc-impl-list.c. Copyright (C) 2012-2016 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 . */ /* Redefine strstr so that the compiler won't complain about the type mismatch with the IFUNC selector in strong_alias, below. */ #undef strstr #define strstr __redirect_strstr #include #undef strstr #define STRSTR __strstr_sse2 #ifdef SHARED # undef libc_hidden_builtin_def # define libc_hidden_builtin_def(name) \ __hidden_ver1 (__strstr_sse2, __GI_strstr, __strstr_sse2); #endif #include "string/strstr.c" extern __typeof (__redirect_strstr) __strstr_sse2_unaligned attribute_hidden; extern __typeof (__redirect_strstr) __strstr_sse2 attribute_hidden; #include "init-arch.h" /* Avoid DWARF definition DIE on ifunc symbol so that GDB can handle ifunc symbol properly. */ extern __typeof (__redirect_strstr) __libc_strstr; libc_ifunc (__libc_strstr, HAS_ARCH_FEATURE (Fast_Unaligned_Load) ? __strstr_sse2_unaligned : __strstr_sse2) #undef strstr strong_alias (__libc_strstr, strstr)