github.com/shogo82148/std@v1.22.1-0.20240327122250-4e474527810c/internal/runtime/atomic/atomic_arm.go (about)

     1  // Copyright 2009 The Go Authors. All rights reserved.
     2  // Use of this source code is governed by a BSD-style
     3  // license that can be found in the LICENSE file.
     4  
     5  //go:build arm
     6  
     7  package atomic
     8  
     9  import (
    10  	"github.com/shogo82148/std/unsafe"
    11  )
    12  
    13  // Atomic add and return new value.
    14  //
    15  //go:nosplit
    16  func Xadd(val *uint32, delta int32) uint32
    17  
    18  //go:noescape
    19  func Xadduintptr(ptr *uintptr, delta uintptr) uintptr
    20  
    21  //go:nosplit
    22  func Xchg(addr *uint32, v uint32) uint32
    23  
    24  //go:nosplit
    25  func Xchguintptr(addr *uintptr, v uintptr) uintptr
    26  
    27  // Not noescape -- it installs a pointer to addr.
    28  func StorepNoWB(addr unsafe.Pointer, v unsafe.Pointer)
    29  
    30  //go:noescape
    31  func Store(addr *uint32, v uint32)
    32  
    33  //go:noescape
    34  func StoreRel(addr *uint32, v uint32)
    35  
    36  //go:noescape
    37  func StoreReluintptr(addr *uintptr, v uintptr)
    38  
    39  //go:nosplit
    40  func Or8(addr *uint8, v uint8)
    41  
    42  //go:nosplit
    43  func And8(addr *uint8, v uint8)
    44  
    45  //go:nosplit
    46  func Or(addr *uint32, v uint32)
    47  
    48  //go:nosplit
    49  func And(addr *uint32, v uint32)
    50  
    51  //go:noescape
    52  func Load(addr *uint32) uint32
    53  
    54  // NO go:noescape annotation; *addr escapes if result escapes (#31525)
    55  func Loadp(addr unsafe.Pointer) unsafe.Pointer
    56  
    57  //go:noescape
    58  func Load8(addr *uint8) uint8
    59  
    60  //go:noescape
    61  func LoadAcq(addr *uint32) uint32
    62  
    63  //go:noescape
    64  func LoadAcquintptr(ptr *uintptr) uintptr
    65  
    66  //go:noescape
    67  func Cas64(addr *uint64, old, new uint64) bool
    68  
    69  //go:noescape
    70  func CasRel(addr *uint32, old, new uint32) bool
    71  
    72  //go:noescape
    73  func Xadd64(addr *uint64, delta int64) uint64
    74  
    75  //go:noescape
    76  func Xchg64(addr *uint64, v uint64) uint64
    77  
    78  //go:noescape
    79  func Load64(addr *uint64) uint64
    80  
    81  //go:noescape
    82  func Store8(addr *uint8, v uint8)
    83  
    84  //go:noescape
    85  func Store64(addr *uint64, v uint64)