File size: 2,356 Bytes
e36aeda | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 | // 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:linkname LoadAcquintptr
//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 Xchg8(ptr *uint8, new uint8) uint8
//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)
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