Update kernel headers and add syscall "perf_event_open"
Change-Id: I43f12b727881df002a8524f2738586c043833bae
diff --git a/libc/arch-arm/syscalls/perf_event_open.S b/libc/arch-arm/syscalls/perf_event_open.S
new file mode 100644
index 0000000..39710a5
--- /dev/null
+++ b/libc/arch-arm/syscalls/perf_event_open.S
@@ -0,0 +1,16 @@
+/* autogenerated by gensyscalls.py */
+#include <machine/asm.h>
+#include <sys/linux-syscalls.h>
+
+ENTRY(perf_event_open)
+ mov ip, sp
+ .save {r4, r5, r6, r7}
+ stmfd sp!, {r4, r5, r6, r7}
+ ldmfd ip, {r4, r5, r6}
+ ldr r7, =__NR_perf_event_open
+ swi #0
+ ldmfd sp!, {r4, r5, r6, r7}
+ movs r0, r0
+ bxpl lr
+ b __set_syscall_errno
+END(perf_event_open)