1 files changed, 19 insertions, 0 deletions
diff --git a/src/runtime/runtime_boring.go b/src/runtime/runtime_boring.go
new file mode 100644
index 0000000000..5a98b20253
--- /dev/null
+++ b/src/runtime/runtime_boring.go
@@ -0,0 +1,19 @@
+// Copyright 2017 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.
+
+package runtime
+
+import _ "unsafe" // for go:linkname
+
+//go:linkname boring_runtime_arg0 crypto/internal/boring.runtime_arg0
+func boring_runtime_arg0() string {
+	// On Windows, argslice is not set, and it's too much work to find argv0.
+	if len(argslice) == 0 {
+		return ""
+	}
+	return argslice[0]
+}
+
+//go:linkname fipstls_runtime_arg0 crypto/internal/boring/fipstls.runtime_arg0
+func fipstls_runtime_arg0() string { return boring_runtime_arg0() }