libc: add swapon and swapoff syscalls

Change-Id: Ie79dc8e3f2ff1cd427dd6d95e3850920c4b407b0
Signed-off-by: Rom Lemarchand <romlem@google.com>
diff --git a/libc/arch-arm/syscalls.mk b/libc/arch-arm/syscalls.mk
index 3c8f204..252a428 100644
--- a/libc/arch-arm/syscalls.mk
+++ b/libc/arch-arm/syscalls.mk
@@ -126,6 +126,8 @@
 syscall_src += arch-arm/syscalls/lremovexattr.S
 syscall_src += arch-arm/syscalls/__statfs64.S
 syscall_src += arch-arm/syscalls/unshare.S
+syscall_src += arch-arm/syscalls/swapon.S
+syscall_src += arch-arm/syscalls/swapoff.S
 syscall_src += arch-arm/syscalls/pause.S
 syscall_src += arch-arm/syscalls/gettimeofday.S
 syscall_src += arch-arm/syscalls/settimeofday.S
diff --git a/libc/arch-arm/syscalls/swapoff.S b/libc/arch-arm/syscalls/swapoff.S
new file mode 100644
index 0000000..070d160
--- /dev/null
+++ b/libc/arch-arm/syscalls/swapoff.S
@@ -0,0 +1,15 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+#include <linux/err.h>
+#include <machine/asm.h>
+
+ENTRY(swapoff)
+    mov     ip, r7
+    ldr     r7, =__NR_swapoff
+    swi     #0
+    mov     r7, ip
+    cmn     r0, #(MAX_ERRNO + 1)
+    bxls    lr
+    neg     r0, r0
+    b       __set_errno
+END(swapoff)
diff --git a/libc/arch-arm/syscalls/swapon.S b/libc/arch-arm/syscalls/swapon.S
new file mode 100644
index 0000000..a77e0cd
--- /dev/null
+++ b/libc/arch-arm/syscalls/swapon.S
@@ -0,0 +1,15 @@
+/* autogenerated by gensyscalls.py */
+#include <asm/unistd.h>
+#include <linux/err.h>
+#include <machine/asm.h>
+
+ENTRY(swapon)
+    mov     ip, r7
+    ldr     r7, =__NR_swapon
+    swi     #0
+    mov     r7, ip
+    cmn     r0, #(MAX_ERRNO + 1)
+    bxls    lr
+    neg     r0, r0
+    b       __set_errno
+END(swapon)