1// Copyright 2023 The Go Authors. All rights reserved.
 2// Use of this source code is governed by a BSD-style
 3// license that can be found in the LICENSE file.
 4
 5package cpu
 6
 7// getAuxvFn is non-nil on Go 1.21+ (via runtime_auxv_go121.go init)
 8// on platforms that use auxv.
 9var getAuxvFn func() []uintptr
10
11func getAuxv() []uintptr {
12	if getAuxvFn == nil {
13		return nil
14	}
15	return getAuxvFn()
16}