-#ifndef _X86_LINUX_OS_H
-#define _X86_LINUX_OS_H
+#ifndef _X86_64_LINUX_OS_H
+#define _X86_64_LINUX_OS_H
typedef struct ucontext os_context_t;
typedef long os_context_register_t;
unsigned long os_context_fp_control(os_context_t *context);
void os_restore_fp_control(os_context_t *context);
-#endif /* _X86_LINUX_OS_H */
+#endif /* _X86_64_LINUX_OS_H */