[src/trunk]: src/sys/arch/aarch64/aarch64 part of PR port-arm/54702

[rin <rin%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/563597ed715f
branches:  trunk
changeset: 461373:563597ed715f
user:      rin <rin%NetBSD.org@localhost>
date:      Sun Nov 24 11:45:00 2019 +0000

description:
part of PR port-arm/54702

Make sure that md_march32 and ep_machine_arch have same size.

XXX
pullup to netbsd-9

diffstat:

 sys/arch/aarch64/aarch64/exec_machdep.c |  6 ++++--
 1 files changed, 4 insertions(+), 2 deletions(-)

diffs (27 lines):

diff -r 2ec86915e3c8 -r 563597ed715f sys/arch/aarch64/aarch64/exec_machdep.c
--- a/sys/arch/aarch64/aarch64/exec_machdep.c   Sun Nov 24 11:28:40 2019 +0000
+++ b/sys/arch/aarch64/aarch64/exec_machdep.c   Sun Nov 24 11:45:00 2019 +0000
@@ -1,4 +1,4 @@
-/* $NetBSD: exec_machdep.c,v 1.5 2019/11/24 04:08:36 rin Exp $ */
+/* $NetBSD: exec_machdep.c,v 1.6 2019/11/24 11:45:00 rin Exp $ */
 
 /*-
  * Copyright (c) 2014 The NetBSD Foundation, Inc.
@@ -31,7 +31,7 @@
 
 #include <sys/cdefs.h>
 
-__KERNEL_RCSID(1, "$NetBSD: exec_machdep.c,v 1.5 2019/11/24 04:08:36 rin Exp $");
+__KERNEL_RCSID(1, "$NetBSD: exec_machdep.c,v 1.6 2019/11/24 11:45:00 rin Exp $");
 
 #include "opt_compat_netbsd.h"
 #include "opt_compat_netbsd32.h"
@@ -86,6 +86,8 @@
        /*
         * Copy (if any) the machine_arch of the executable to the proc.
         */
+       CTASSERT(sizeof(l->l_proc->p_md.md_march32) ==
+           sizeof(epp->ep_machine_arch));
        if (epp->ep_machine_arch[0] != 0)
                strlcpy(l->l_proc->p_md.md_march32, epp->ep_machine_arch,
                    sizeof(l->l_proc->p_md.md_march32));