From: Keith Randall <khr@golang.org>
Date: Fri, 18 Sep 2020 20:01:54 +0000 (-0700)
Subject: runtime/debug: skip fault address test on unsupported platforms
X-Git-Tag: go1.16beta1~990
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=4c4a376736fff47b08ab6053605c3b68d87552b5;p=gostls13.git

runtime/debug: skip fault address test on unsupported platforms


Change-Id: I6a6fe616365fa542218fbc9ff61805ff70a1ef63
Reviewed-on: https://go-review.googlesource.com/c/go/+/255999
Run-TryBot: Keith Randall <khr@golang.org>
TryBot-Result: Go Bot <gobot@golang.org>
Reviewed-by: Bryan C. Mills <bcmills@google.com>
Trust: Keith Randall <khr@golang.org>
---

diff --git a/src/runtime/debug/panic_test.go b/src/runtime/debug/panic_test.go
index 2aad418bae..4b7830e100 100644
--- a/src/runtime/debug/panic_test.go
+++ b/src/runtime/debug/panic_test.go
@@ -9,6 +9,7 @@
 package debug_test
 
 import (
+	"runtime"
 	"runtime/debug"
 	"syscall"
 	"testing"
@@ -16,6 +17,12 @@ import (
 )
 
 func TestPanicOnFault(t *testing.T) {
+	if runtime.GOARCH == "s390x" {
+		t.Skip("s390x fault addresses are missing the low order bits")
+	}
+	if runtime.GOOS == "darwin" && runtime.GOARCH == "arm64" {
+		t.Skip("darwin/arm64 doesn't provide fault addresses")
+	}
 	m, err := syscall.Mmap(-1, 0, 0x1000, syscall.PROT_READ /* Note: no PROT_WRITE */, syscall.MAP_SHARED|syscall.MAP_ANON)
 	if err != nil {
 		t.Fatalf("can't map anonymous memory: %s", err)