[pkgsrc/trunk]: pkgsrc/devel/go-sys go-sys: Fix SIGILL on netbsd/arm64

[tnn <tnn%pkgsrc.org@localhost>]

details:   https://anonhg.NetBSD.org/pkgsrc/rev/bb6e0e63373b
branches:  trunk
changeset: 430540:bb6e0e63373b
user:      tnn <tnn%pkgsrc.org@localhost>
date:      Fri May 01 20:57:43 2020 +0000

description:
go-sys: Fix SIGILL on netbsd/arm64

diffstat:

 devel/go-sys/Makefile                        |   7 +++++--
 devel/go-sys/distinfo                        |   3 ++-
 devel/go-sys/patches/patch-cpu_cpu__arm64.go |  21 +++++++++++++++++++++
 3 files changed, 28 insertions(+), 3 deletions(-)

diffs (61 lines):

diff -r 2585ee22f4e5 -r bb6e0e63373b devel/go-sys/Makefile
--- a/devel/go-sys/Makefile     Fri May 01 20:44:52 2020 +0000
+++ b/devel/go-sys/Makefile     Fri May 01 20:57:43 2020 +0000
@@ -1,8 +1,8 @@
-# $NetBSD: Makefile,v 1.27 2020/04/12 11:01:34 bsiegert Exp $
+# $NetBSD: Makefile,v 1.28 2020/05/01 20:57:43 tnn Exp $
 #
 
 DISTNAME=              go-sys-0.0.20200202
-PKGREVISION=           2
+PKGREVISION=           3
 CATEGORIES=            devel
 MASTER_SITES=          ${MASTER_SITE_GITHUB:=golang/}
 GITHUB_PROJECT=                sys
@@ -23,6 +23,9 @@
 pre-patch:
        ${RM} -rf ${WRKSRC}/windows/mkwinsyscall
 
+pre-build:
+       ${RM} -f ${WRKSRC}/*/*.go.orig
+
 .include "../../lang/go/go-package.mk"
 .include "../../lang/perl5/buildlink3.mk"
 .include "../../mk/bsd.pkg.mk"
diff -r 2585ee22f4e5 -r bb6e0e63373b devel/go-sys/distinfo
--- a/devel/go-sys/distinfo     Fri May 01 20:44:52 2020 +0000
+++ b/devel/go-sys/distinfo     Fri May 01 20:57:43 2020 +0000
@@ -1,6 +1,7 @@
-$NetBSD: distinfo,v 1.4 2020/02/03 15:00:29 bsiegert Exp $
+$NetBSD: distinfo,v 1.5 2020/05/01 20:57:43 tnn Exp $
 
 SHA1 (go-sys-0.0.20200202-d101bd2416.tar.gz) = d428638aaf94785499f3a8960088bfe30591db5d
 RMD160 (go-sys-0.0.20200202-d101bd2416.tar.gz) = b7b953b649c43d44d4eeb15b6598954ce2c06b73
 SHA512 (go-sys-0.0.20200202-d101bd2416.tar.gz) = 0d9b69c7c7b0d525d359d70e75a243ee109fd1bcadd535a6c7704b7bdbeb1bd0f3140c09fcbd9c22ff777b7a54a4c9dfb4036dc837ad703fcbbb2cda1858326a
 Size (go-sys-0.0.20200202-d101bd2416.tar.gz) = 1539300 bytes
+SHA1 (patch-cpu_cpu__arm64.go) = f04d8caad468f097e25d05e64eb681463ab6daa5
diff -r 2585ee22f4e5 -r bb6e0e63373b devel/go-sys/patches/patch-cpu_cpu__arm64.go
--- /dev/null   Thu Jan 01 00:00:00 1970 +0000
+++ b/devel/go-sys/patches/patch-cpu_cpu__arm64.go      Fri May 01 20:57:43 2020 +0000
@@ -0,0 +1,21 @@
+$NetBSD: patch-cpu_cpu__arm64.go,v 1.1 2020/05/01 20:57:44 tnn Exp $
+
+Fix SIGILL on netbsd/arm64
+
+--- cpu/cpu_arm64.go.orig      2020-02-02 16:47:22.000000000 +0000
++++ cpu/cpu_arm64.go
+@@ -10,8 +10,13 @@ const cacheLineSize = 64
+ 
+ func init() {
+       switch runtime.GOOS {
+-      case "android", "darwin":
++      case "android", "darwin", "netbsd":
+               // Android and iOS don't seem to allow reading these registers.
++              // NetBSD:
++              // ID_AA64ISAR0_EL1 is a privileged register and cannot be read from EL0.
++              // It can be read via sysctl(3). Example for future implementers:
++              // https://nxr.netbsd.org/xref/src/usr.sbin/cpuctl/arch/aarch64.c
++              //
+               // Fake the minimal features expected by
+               // TestARM64minimalFeatures.
+               ARM64.HasASIMD = true