aboutsummaryrefslogtreecommitdiff
path: root/arch/x86/include/asm/string.h
diff options
context:
space:
mode:
Diffstat (limited to 'arch/x86/include/asm/string.h')
-rw-r--r--arch/x86/include/asm/string.h31
1 files changed, 23 insertions, 8 deletions
diff --git a/arch/x86/include/asm/string.h b/arch/x86/include/asm/string.h
index 38afd236843..c15b264a5c0 100644
--- a/arch/x86/include/asm/string.h
+++ b/arch/x86/include/asm/string.h
@@ -9,22 +9,37 @@
extern char *strncpy(char *__dest, __const__ char *__src, __kernel_size_t __n);
#undef __HAVE_ARCH_STRRCHR
-extern char * strrchr(const char * s, int c);
+extern char *strrchr(const char *s, int c);
#undef __HAVE_ARCH_STRCHR
-extern char * strchr(const char * s, int c);
+extern char *strchr(const char *s, int c);
+
+#ifdef CONFIG_X86_64
+
+#undef __HAVE_ARCH_MEMCPY
+extern void *memcpy(void *, const void *, __kernel_size_t);
+
+#undef __HAVE_ARCH_MEMMOVE
+extern void *memmove(void *, const void *, __kernel_size_t);
+
+#undef __HAVE_ARCH_MEMSET
+extern void *memset(void *, int, __kernel_size_t);
+
+#else
#define __HAVE_ARCH_MEMCPY
-extern void * memcpy(void *, const void *, __kernel_size_t);
+extern void *memcpy(void *, const void *, __kernel_size_t);
#define __HAVE_ARCH_MEMMOVE
-extern void * memmove(void *, const void *, __kernel_size_t);
-
-#undef __HAVE_ARCH_MEMCHR
-extern void * memchr(const void *, int, __kernel_size_t);
+extern void *memmove(void *, const void *, __kernel_size_t);
#define __HAVE_ARCH_MEMSET
-extern void * memset(void *, int, __kernel_size_t);
+extern void *memset(void *, int, __kernel_size_t);
+
+#endif /* CONFIG_X86_64 */
+
+#undef __HAVE_ARCH_MEMCHR
+extern void *memchr(const void *, int, __kernel_size_t);
#undef __HAVE_ARCH_MEMZERO
extern void memzero(void *ptr, __kernel_size_t n);