// Copyright 2009 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. //go:build 386 package atomic import "unsafe" // Export some functions via linkname to assembly in sync/atomic. // //go:linkname Load //go:linkname Loadp //go:nosplit //go:noinline func Load(ptr *uint32) uint32 { return *ptr } //go:nosplit //go:noinline func Loadp(ptr unsafe.Pointer) unsafe.Pointer { return *(*unsafe.Pointer)(ptr) } //go:nosplit //go:noinline func LoadAcq(ptr *uint32) uint32 { return *ptr } //go:nosplit //go:noinline func LoadAcquintptr(ptr *uintptr) uintptr { return *ptr } //go:noescape func Xadd64(ptr *uint64, delta int64) uint64 //go:noescape func Xadduintptr(ptr *uintptr, delta uintptr) uintptr //go:noescape func Xadd(ptr *uint32, delta int32) uint32 //go:noescape func Xchg64(ptr *uint64, new uint64) uint64 //go:noescape func Xchg(ptr *uint32, new uint32) uint32 //go:noescape func Xchguintptr(ptr *uintptr, new uintptr) uintptr //go:noescape func Load64(ptr *uint64) uint64 //go:nosplit //go:noinline func Load8(ptr *uint8) uint8 { return *ptr } //go:noescape func And8(ptr *uint8, val uint8) //go:noescape func Or8(ptr *uint8, val uint8) //go:noescape func And(ptr *uint32, val uint32) //go:noescape func Or(ptr *uint32, val uint32) //go:noescape func And32(ptr *uint32, val uint32) uint32 //go:noescape func Or32(ptr *uint32, val uint32) uint32 //go:noescape func And64(ptr *uint64, val uint64) uint64 //go:noescape func Or64(ptr *uint64, val uint64) uint64 //go:noescape func Anduintptr(ptr *uintptr, val uintptr) uintptr //go:noescape func Oruintptr(ptr *uintptr, val uintptr) uintptr // NOTE: Do not add atomicxor8 (XOR is not idempotent). //go:noescape func Cas64(ptr *uint64, old, new uint64) bool //go:noescape func CasRel(ptr *uint32, old, new uint32) bool //go:noescape func Store(ptr *uint32, val uint32) //go:noescape func Store8(ptr *uint8, val uint8) //go:noescape func Store64(ptr *uint64, val uint64) //go:noescape func StoreRel(ptr *uint32, val uint32) //go:noescape func StoreReluintptr(ptr *uintptr, val uintptr) // NO go:noescape annotation; see atomic_pointer.go. func StorepNoWB(ptr unsafe.Pointer, val unsafe.Pointer)