diff --git a/libc/kernel/uapi/linux/prctl.h b/libc/kernel/uapi/linux/prctl.h
index 07898cc..d10c0f6 100644
--- a/libc/kernel/uapi/linux/prctl.h
+++ b/libc/kernel/uapi/linux/prctl.h
@@ -143,4 +143,18 @@
 /* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
 #define PR_SET_THP_DISABLE 41
 #define PR_GET_THP_DISABLE 42
+#define PR_MPX_ENABLE_MANAGEMENT 43
+#define PR_MPX_DISABLE_MANAGEMENT 44
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define PR_SET_FP_MODE 45
+#define PR_GET_FP_MODE 46
+#define PR_FP_MODE_FR (1 << 0)
+#define PR_FP_MODE_FRE (1 << 1)
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define PR_CAP_AMBIENT 47
+#define PR_CAP_AMBIENT_IS_SET 1
+#define PR_CAP_AMBIENT_RAISE 2
+#define PR_CAP_AMBIENT_LOWER 3
+/* WARNING: DO NOT EDIT, AUTO-GENERATED CODE - SEE TOP FOR INSTRUCTIONS */
+#define PR_CAP_AMBIENT_CLEAR_ALL 4
 #endif