From: Joel Sing <joel@sing.id.au>
Date: Sat, 27 Apr 2019 17:08:37 +0000 (+1000)
Subject: runtime: correct exitThread on openbsd/arm64
X-Git-Tag: go1.13beta1~526
X-Git-Url: http://www.git.cypherpunks.su/?a=commitdiff_plain;h=17a7f21790440255db6eebf5793e54f913379576;p=gostls13.git

runtime: correct exitThread on openbsd/arm64

The notdead argument to sys___threxit() is a pointer, hence requires a 64-bit
move rather than a 32-bit one.

Updates #31656

Change-Id: I52ad31ed5afaf43ccc3d934025288216e8052528
Reviewed-on: https://go-review.googlesource.com/c/go/+/174124
Reviewed-by: Brad Fitzpatrick <bradfitz@golang.org>
---

diff --git a/src/runtime/sys_openbsd_arm64.s b/src/runtime/sys_openbsd_arm64.s
index 407c819b21..ded916a026 100644
--- a/src/runtime/sys_openbsd_arm64.s
+++ b/src/runtime/sys_openbsd_arm64.s
@@ -25,7 +25,7 @@ TEXT runtime·exit(SB),NOSPLIT|NOFRAME,$0
 
 // func exitThread(wait *uint32)
 TEXT runtime·exitThread(SB),NOSPLIT,$0-4
-	MOVW	wait+0(FP), R0		// arg 1 - notdead
+	MOVD	wait+0(FP), R0		// arg 1 - notdead
 	MOVD	$302, R8		// sys___threxit
 	SVC
 	MOVD	$0, R0			// crash on syscall failure