Add sethostname(2).
Not very useful, but helps building stuff like toybox out of the box.
Change-Id: I110e39030452bd093a84278e019c5752d293718d
diff --git a/libc/arch-arm64/syscalls/sethostname.S b/libc/arch-arm64/syscalls/sethostname.S
new file mode 100644
index 0000000..2dea457
--- /dev/null
+++ b/libc/arch-arm64/syscalls/sethostname.S
@@ -0,0 +1,14 @@
+/* Generated by gensyscalls.py. Do not edit. */
+
+#include <private/bionic_asm.h>
+
+ENTRY(sethostname)
+ mov x8, __NR_sethostname
+ svc #0
+
+ cmn x0, #(MAX_ERRNO + 1)
+ cneg x0, x0, hi
+ b.hi __set_errno_internal
+
+ ret
+END(sethostname)