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

package runtime

import "unsafe"

var labelSync uintptr

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

// Copyright 2024 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.

// Linkname corostart is not allowed, as it doesn't have
// a linknamed definition.

package main

import _ "unsafe"

//go:linkname corostart runtime.corostart
func corostart()

func main() {
	corostart()

// Copyright 2024 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.

// Linkname fastrand is allowed _for now_, as it has a
// linknamed definition, for legacy reason.
// NOTE: this may not be allowed in the future. Don't do this!

package main

import _ "unsafe"

//go:linkname fastrand runtime.fastrand
func fastrand() uint32

func main() {

// Copyright 2018 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 main

import _ "unsafe" // for linkname

//go:linkname f runtime.GC
func f()

func main() {
	f()

//
// This is exported via linkname to assembly in the syscall package.
//
//go:nosplit
//go:linkname syscall_Syscall
func syscall_Syscall(fn, a1, a2, a3 uintptr) (r1, r2, err uintptr) {
	return 0, 0, _EINVAL
}

// This is syscall.RawSyscall, it exists to satisfy some build dependency,
// but it doesn't work.
//
// This is exported via linkname to assembly in the syscall package.
//

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

package x509

import (
	"internal/godebug"
	"sync"
	_ "unsafe" // for linkname
)

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

//
//go:nosplit
func rand32() uint32 {
	return uint32(rand())
}

// rand returns a random uint64 from the per-m chacha8 state.
// Do not change signature: used via linkname from other packages.
//
//go:nosplit
//go:linkname rand
func rand() uint64 {
	// Note: We avoid acquirem here so that in the fast path
	// there is just a getg, an inlined c.Next, and a return.

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

//go:build openbsd && !mips64

package unix

import _ "unsafe" // for linkname

// GetEntropy calls the OpenBSD getentropy system call.
func GetEntropy(p []byte) error {
	return getentropy(p)
}

//go:linkname getentropy syscall.getentropy

	_cgo_getstackbound            unsafe.Pointer
)

// iscgo is set to true by the runtime/cgo package
//
// iscgo should be an internal detail,
// but widely used packages access it using linkname.
// Notable members of the hall of shame include:
//   - github.com/ebitengine/purego
//
// Do not remove or change the type signature.
// See go.dev/issue/67401.
//
//go:linkname iscgo
var iscgo bool

// Copyright 2024 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.

// Linkname "var" to reference newcoro is not allowed.

package main

import "unsafe"

func main() {
	call(&newcoro)
}

//go:linkname newcoro runtime.newcoro
var newcoro unsafe.Pointer

//go:noinline
func call(*unsafe.Pointer) {
	// not implemented