--- old/agent/src/os/linux/libproc.h	2014-11-21 12:08:24.412132183 -0500
+++ new/agent/src/os/linux/libproc.h	2014-11-21 12:08:24.202150780 -0500
@@ -71,6 +71,9 @@
 #if defined(sparc) || defined(sparcv9) || defined(ppc64)
 #define user_regs_struct  pt_regs
 #endif
+#if defined(aarch64)
+#define user_regs_struct user_pt_regs
+#endif
 
 // This C bool type must be int for compatibility with Linux calls and
 // it would be a mistake to equivalence it to C++ bool on many platforms