glibc/sysdeps/i386/i686/multiarch/strstr-c.c
2013-09-04 15:25:42 +00:00

30 lines
945 B
C

/* Multiple versions of strstr
All versions must be listed in ifunc-impl-list.c. */
#include "init-arch.h"
#define STRSTR __strstr_ia32
#if defined SHARED && !defined NO_HIDDEN
#undef libc_hidden_builtin_def
#define libc_hidden_builtin_def(name) \
__hidden_ver1 (__strstr_ia32, __GI_strstr, __strstr_ia32);
#endif
/* 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 "string/strstr.c"
extern __typeof (__redirect_strstr) __strstr_sse42 attribute_hidden;
extern __typeof (__redirect_strstr) __strstr_ia32 attribute_hidden;
/* 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_SSE4_2 ? __strstr_sse42 : __strstr_ia32)
#undef strstr
strong_alias (__libc_strstr, strstr)