diff -Naur strace-4.10/linux/aarch64/arch_regs.h strace-4.10-/linux/aarch64/arch_regs.h
--- strace-4.10/linux/aarch64/arch_regs.h	1970-01-01 01:00:00.000000000 +0100
+++ strace-4.10-/linux/aarch64/arch_regs.h	2015-03-10 10:52:02.168318024 +0100
@@ -0,0 +1,3 @@
+
+extern uint64_t *const aarch64_sp_ptr;
+extern uint32_t *const arm_sp_ptr;