Add a pseudo-guest-register to hold the 'next syscall number.'


git-svn-id: svn://svn.valgrind.org/vex/trunk@583 8f6e269a-dfd6-0310-a8e1-e2731360e62c
diff --git a/pub/libvex_guest_arm.h b/pub/libvex_guest_arm.h
index a9ab301..49ce571 100644
--- a/pub/libvex_guest_arm.h
+++ b/pub/libvex_guest_arm.h
@@ -64,6 +64,8 @@
 
       UInt  guest_PSW;
 
+      UInt  guest_SYSCALLNO;
+
       /* Padding to make it have an 8-aligned size */
       /* UInt   padding; */
    }