return linksym(prefix, "_", abi)
	}
	sep := "."
	if ReservedImports[prefix] {
		sep = ":"
	}
	return linksym(prefix, prefix+sep+name, abi)
}

// Linkname returns the linker symbol for the given name as it might
// appear within a //go:linkname directive.
func Linkname(name string, abi obj.ABI) *obj.LSym {
	return linksym("_", name, abi)
}

// linksym is an internal helper function for implementing the above
// exported APIs.

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

package tls

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

// Defaults are collected in this file to allow distributions to more easily patch
// them to apply local policies.

var tlskyber = godebug.New("tlskyber")

func defaultCurvePreferences() []CurveID {

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

//go:build arm || wasm

// Export some functions via linkname to assembly in sync/atomic.
//
//go:linkname And32
//go:linkname Or32
//go:linkname And64
//go:linkname Or64
//go:linkname Anduintptr
//go:linkname Oruintptr

package atomic

import _ "unsafe" // For linkname

//go:nosplit
func And32(ptr *uint32, val uint32) uint32 {
	for {
		old := *ptr

// 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 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()

		// Go or assembly) and given a linkname, it may be
		// referenced from another package, so make it
		// callable via any ABI. It's important that we know
		// it's defined in this package since other packages
		// may "pull" symbols using linkname and we don't want
		// to create duplicate ABI wrappers.
		//
		// However, if it's given a linkname for exporting to

//
// 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.

// 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

//
//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.