Add basic ARM policy to seccomp-bpf sandbox.

sandbox/linux/services/arm_linux_syscalls.h

Index: sandbox/linux/services/arm_linux_syscalls.h
diff --git a/sandbox/linux/services/arm_linux_syscalls.h b/sandbox/linux/services/arm_linux_syscalls.h
new file mode 100644
index 0000000000000000000000000000000000000000..37a741e3aa64d3c0eb582f23317d1173f3ab4eec
--- /dev/null
+++ b/sandbox/linux/services/arm_linux_syscalls.h
@@ -0,0 +1,28 @@
+// Copyright (c) 2012 The Chromium Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+// Generated from the Linux kernel's calls.S.
+#ifndef SANDBOX_LINUX_SERVICES_ARM_LINUX_SYSCALLS_H_
+#define SANDBOX_LINUX_SERVICES_ARM_LINUX_SYSCALLS_H_
+
+// This file doesn't yet list all syscalls.
+// TODO(jorgelo): define all ARM syscalls.
+
+#if !defined(__arm__)
+#error "Including header on wrong architecture"
+#endif
+
+// __NR_SYSCALL_BASE is defined in <asm/unistd.h>.
+#include <asm/unistd.h>
+
+#ifndef __NR_process_vm_readv
+#define __NR_process_vm_readv (__NR_SYSCALL_BASE+376)
+#endif
+
+#ifndef __NR_process_vm_writev
+#define __NR_process_vm_writev (__NR_SYSCALL_BASE+377)
+#endif
+
+#endif  // SANDBOX_LINUX_SERVICES_ARM_LINUX_SYSCALLS_H_
+