[src/trunk]: src/sys/arch Drop COMPAT_13 on amd64, already not enabled. Reduc...

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

details:   https://anonhg.NetBSD.org/src/rev/c0f0548ad5d6
branches:  trunk
changeset: 357906:c0f0548ad5d6
user:      maxv <maxv%NetBSD.org@localhost>
date:      Sat Dec 02 13:03:15 2017 +0000

description:
Drop COMPAT_13 on amd64, already not enabled. Reduces the number of
critical places.

diffstat:

 sys/arch/amd64/amd64/compat_13_machdep.c |  63 --------------------------------
 sys/arch/amd64/conf/GENERIC              |   6 +-
 sys/arch/amd64/conf/files.amd64          |   3 +-
 sys/arch/xen/conf/files.xen              |   3 +-
 4 files changed, 5 insertions(+), 70 deletions(-)

diffs (128 lines):

diff -r ef3fba51ca1d -r c0f0548ad5d6 sys/arch/amd64/amd64/compat_13_machdep.c
--- a/sys/arch/amd64/amd64/compat_13_machdep.c  Sat Dec 02 12:40:03 2017 +0000
+++ /dev/null   Thu Jan 01 00:00:00 1970 +0000
@@ -1,63 +0,0 @@
-/*     $NetBSD: compat_13_machdep.c,v 1.1 2014/12/14 21:27:49 christos Exp $   */
-
-/*-
- * Copyright (c) 2014 The NetBSD Foundation, Inc.
- * All rights reserved.
- *
- * This code is derived from software contributed to The NetBSD Foundation
- * by Christos Zoulas.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- *    notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- *    notice, this list of conditions and the following disclaimer in the
- *    documentation and/or other materials provided with the distribution.
- *
- * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
- * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
- * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
- * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-#include <sys/cdefs.h>
-__KERNEL_RCSID(0, "$NetBSD: compat_13_machdep.c,v 1.1 2014/12/14 21:27:49 christos Exp $");
-
-#ifdef _KERNEL_OPT
-#include "opt_compat_netbsd.h"
-#endif
-
-#include <sys/param.h>
-#include <sys/systm.h>
-#include <sys/signalvar.h>
-#include <sys/kernel.h>
-#include <sys/proc.h>
-#include <sys/mount.h>
-#include <sys/syscallargs.h>
-
-#include <compat/sys/signal.h>
-#include <compat/sys/signalvar.h>
-
-#ifdef COMPAT_13
-
-int compat_13_sys_sigreturn(struct lwp *, const struct compat_13_sys_sigreturn_args *, register_t *);
-
-/*
- * There is no NetBSD-1.6 compatibility for native code.
- * COMPAT_13 is useful for i386 emulation (COMPAT_NETBSD32) only.
- */
-int
-compat_13_sys_sigreturn(struct lwp *l, const struct compat_13_sys_sigreturn_args *uap, register_t *retval)
-{
-
-       return ENOSYS;
-}
-#endif
diff -r ef3fba51ca1d -r c0f0548ad5d6 sys/arch/amd64/conf/GENERIC
--- a/sys/arch/amd64/conf/GENERIC       Sat Dec 02 12:40:03 2017 +0000
+++ b/sys/arch/amd64/conf/GENERIC       Sat Dec 02 13:03:15 2017 +0000
@@ -1,4 +1,4 @@
-# $NetBSD: GENERIC,v 1.470 2017/12/02 12:40:03 maxv Exp $
+# $NetBSD: GENERIC,v 1.471 2017/12/02 13:03:15 maxv Exp $
 #
 # GENERIC machine description file
 #
@@ -22,7 +22,7 @@
 
 options        INCLUDE_CONFIG_FILE     # embed config file in kernel binary
 
-#ident         "GENERIC-$Revision: 1.470 $"
+#ident         "GENERIC-$Revision: 1.471 $"
 
 maxusers       64              # estimated number of users
 
@@ -117,7 +117,7 @@
 # Compatibility options
 #options       EXEC_AOUT       # required by binaries from before 1.5
 
-# NetBSD backward compatibility. Support goes from COMPAT_11 up until
+# NetBSD backward compatibility. Support goes from COMPAT_15 up until
 # the latest release. Note that really old compat (< COMPAT_16) is only
 # useful for 32-bit binaries.
 include        "conf/compat_netbsd15.config"
diff -r ef3fba51ca1d -r c0f0548ad5d6 sys/arch/amd64/conf/files.amd64
--- a/sys/arch/amd64/conf/files.amd64   Sat Dec 02 12:40:03 2017 +0000
+++ b/sys/arch/amd64/conf/files.amd64   Sat Dec 02 13:03:15 2017 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: files.amd64,v 1.94 2017/10/08 09:06:50 maxv Exp $
+#      $NetBSD: files.amd64,v 1.95 2017/12/02 13:03:15 maxv Exp $
 #
 # new style config file for amd64 architecture
 #
@@ -136,7 +136,6 @@
 # Compatibility modules
 #
 # Binary compatibility with previous NetBSD releases (COMPAT_XX)
-file   arch/amd64/amd64/compat_13_machdep.c    compat_13
 file   arch/amd64/amd64/compat_16_machdep.c    compat_16
 
 # NetBSD/i386 32-bit binary compatibility (COMPAT_NETBSD32)
diff -r ef3fba51ca1d -r c0f0548ad5d6 sys/arch/xen/conf/files.xen
--- a/sys/arch/xen/conf/files.xen       Sat Dec 02 12:40:03 2017 +0000
+++ b/sys/arch/xen/conf/files.xen       Sat Dec 02 13:03:15 2017 +0000
@@ -1,4 +1,4 @@
-#      $NetBSD: files.xen,v 1.163 2017/11/06 15:21:23 cherry Exp $
+#      $NetBSD: files.xen,v 1.164 2017/12/02 13:03:15 maxv Exp $
 #      NetBSD: files.x86,v 1.10 2003/10/08 17:30:00 bouyer Exp 
 #      NetBSD: files.i386,v 1.254 2004/03/25 23:32:10 jmc Exp 
 
@@ -330,7 +330,6 @@
 elifdef amd64
 
 # Binary compatibility with previous NetBSD releases (COMPAT_XX)
-file   arch/amd64/amd64/compat_13_machdep.c    compat_13
 file   arch/amd64/amd64/compat_16_machdep.c    compat_16
 
 # NetBSD/i386 32-bit binary compatibility (COMPAT_NETBSD32)