1 files changed, 34 insertions, 0 deletions
diff --git a/tools/checklinkname/test/test_unsafe.go b/tools/checklinkname/test/test_unsafe.go
new file mode 100644
index 000000000..a7504591c
--- /dev/null
+++ b/tools/checklinkname/test/test_unsafe.go
@@ -0,0 +1,34 @@
+// Copyright 2021 The gVisor Authors.
+//
+// Licensed under the Apache License, Version 2.0 (the "License");
+// you may not use this file except in compliance with the License.
+// You may obtain a copy of the License at
+//
+//     http://www.apache.org/licenses/LICENSE-2.0
+//
+// Unless required by applicable law or agreed to in writing, software
+// distributed under the License is distributed on an "AS IS" BASIS,
+// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+// See the License for the specific language governing permissions and
+// limitations under the License.
+
+// Package test provides linkname test targets.
+package test
+
+import (
+	_ "unsafe" // for go:linkname.
+)
+
+//go:linkname DetachedLinkname runtime.fastrand
+
+//go:linkname attachedLinkname runtime.entersyscall
+func attachedLinkname()
+
+// AttachedLinkname reexports attachedLinkname because go vet doesn't like an
+// exported go:linkname without a comment starting with "// AttachedLinkname".
+func AttachedLinkname() {
+	attachedLinkname()
+}
+
+// DetachedLinkname has a linkname elsewhere in the file.
+func DetachedLinkname() uint32