Russ Cox <******@****.***> 1716433590 -0400

//go:build amd64 || arm64

package runtime

import _ "unsafe"

// As of Go 1.22, the symbols below are found to be pulled via
// linkname in the wild. We provide a push linkname here, to
// keep them accessible with pull linknames.
// This may change in the future. Please do not depend on them
// in new code.

// license that can be found in the LICENSE file.

//go:build !math_big_pure_go

package big

import _ "unsafe" // for linkname

// implemented in arith_$GOARCH.s

// addVV should be an internal detail,
// but widely used packages access it using linkname.
// Notable members of the hall of shame include:
//   - github.com/remyoudompheng/bigfft
//
// Do not remove or change the type signature.

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

// "Push" linknames are ok.

package main

import (
	"cmd/link/testdata/linkname/p"
	_ "unsafe"
)

// Push f1 to p.
//
//go:linkname f1 cmd/link/testdata/linkname/p.f1
func f1() { f2() }

// f2 is pushed from p.
//
//go:linkname f2
func f2()

func main() {
	p.F()

package syscall

import _ "unsafe"

// As of Go 1.22, the symbols below are found to be pulled via
// linkname in the wild. We provide a push linkname here, to
// keep them accessible with pull linknames.
// This may change in the future. Please do not depend on them
// in new code.

// golang.org/x/sys linknames getsockopt.
// Do not remove or change the type signature.
//
//go:linkname getsockopt

// errorcheck

// Copyright 2020 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.

// Tests that errors are reported for misuse of linkname.
package p

import _ "unsafe"

type t int

var x, y int

func F[T any](T) {}

//go:linkname x ok

// ERROR "//go:linkname must refer to declared function or variable"

import "unsafe"

// faketime is the simulated time in nanoseconds since 1970 for the
// playground.
//
// Zero means not to use faketime.
var faketime int64

// Exported via linkname for use by time and internal/poll.
//
// Many external packages also linkname nanotime for a fast monotonic time.
// Such code should be updated to use:
//
//	var start = time.Now() // at init time
//

// license that can be found in the LICENSE file.

package http

import (
	"mime/multipart"
	"net/textproto"
	"net/url"
	_ "unsafe" // for linkname
)

// cloneURLValues should be an internal detail,
// but widely used packages access it using linkname.
// Notable members of the hall of shame include:
//   - github.com/searKing/golang
//
// Do not remove or change the type signature.
// See go.dev/issue/67401.

// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.

//go:build unix

package syscall

import _ "unsafe" // for linkname

// mmap should be an internal detail,
// but widely used packages access it using linkname.
// Notable members of the hall of shame include:
//   - modernc.org/memory
//   - github.com/ncruces/go-sqlite3
//
// Do not remove or change the type signature.

	if err != nil {
		t.Fatalf("stat %s: %s", f.Name(), err)
	}

	linkname := f.Name() + "2"
	if err := Symlink(f.Name(), linkname); err != nil {
		if runtime.GOOS == "android" && IsPermission(err) {
			t.Skip("skipping test on Android; permission error creating symlink")
		}
		t.Fatalf("link %s -> %s: %v", f.Name(), linkname, err)
	}
	defer Remove(linkname)

	// Can't change uid unless root, but can try