diff --git a/libc/arch-arm/syscalls/prctl.S b/libc/arch-arm/syscalls/prctl.S
index 0dd417b..009dc54 100644
--- a/libc/arch-arm/syscalls/prctl.S
+++ b/libc/arch-arm/syscalls/prctl.S
@@ -1,13 +1,8 @@
 /* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
 #include <sys/linux-syscalls.h>
 
-    .text
-    .type prctl, #function
-    .globl prctl
-    .align 4
-    .fnstart
-
-prctl:
+ENTRY(prctl)
     mov     ip, sp
     .save   {r4, r5, r6, r7}
     stmfd   sp!, {r4, r5, r6, r7}
@@ -18,4 +13,4 @@
     movs    r0, r0
     bxpl    lr
     b       __set_syscall_errno
-    .fnend
+END(prctl)