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 5 package cpu
6 7 // getAuxvFn is non-nil on Go 1.21+ (via runtime_auxv_go121.go init)
8 // on platforms that use auxv.
9 var getAuxvFn func() []uintptr
10 11 func getAuxv() []uintptr {
12 if getAuxvFn == nil {
13 return nil
14 }
15 return getAuxvFn()
16 }
17