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-rw-r--r--misc/cgo/test/backdoor/thunk.s16
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diff --git a/misc/cgo/test/backdoor/thunk.s b/misc/cgo/test/backdoor/thunk.s
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+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+// Assembly to get into package runtime without using exported symbols.
+
+// +build amd64 amd64p32 arm 386
+
+#include "textflag.h"
+
+#ifdef GOARCH_arm
+#define JMP B
+#endif
+
+TEXT ·LockedOSThread(SB),NOSPLIT,$0-0
+ JMP runtime·lockedOSThread(SB)