1 files changed, 21 insertions, 0 deletions
diff --git a/src/runtime/vdso_linux_riscv64.go b/src/runtime/vdso_linux_riscv64.go
new file mode 100644
index 0000000..f427124
--- /dev/null
+++ b/src/runtime/vdso_linux_riscv64.go
@@ -0,0 +1,21 @@
+// Copyright 2021 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
+
+const (
+	// vdsoArrayMax is the byte-size of a maximally sized array on this architecture.
+	// See cmd/compile/internal/riscv64/galign.go arch.MAXWIDTH initialization.
+	vdsoArrayMax = 1<<50 - 1
+)
+
+// key and version at man 7 vdso : riscv
+var vdsoLinuxVersion = vdsoVersionKey{"LINUX_4.15", 0xae77f75}
+
+var vdsoSymbolKeys = []vdsoSymbolKey{
+	{"__vdso_clock_gettime", 0xd35ec75, 0x6e43a318, &vdsoClockgettimeSym},
+}
+
+// initialize to fall back to syscall
+var vdsoClockgettimeSym uintptr = 0