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

     1  // Copyright 2016 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 mips || mipsle
     6  
     7  // Export some functions via linkname to assembly in sync/atomic.
     8  //
     9  //go:linkname Xadd64
    10  //go:linkname Xchg64
    11  //go:linkname Cas64
    12  //go:linkname Load64
    13  //go:linkname Store64
    14  
    15  package atomic
    16  
    17  import (
    18  	"github.com/shogo82148/std/unsafe"
    19  )
    20  
    21  //go:nosplit
    22  func Xadd64(addr *uint64, delta int64) (new uint64)
    23  
    24  //go:nosplit
    25  func Xchg64(addr *uint64, new uint64) (old uint64)
    26  
    27  //go:nosplit
    28  func Cas64(addr *uint64, old, new uint64) (swapped bool)
    29  
    30  //go:nosplit
    31  func Load64(addr *uint64) (val uint64)
    32  
    33  //go:nosplit
    34  func Store64(addr *uint64, val uint64)
    35  
    36  //go:noescape
    37  func Xadd(ptr *uint32, delta int32) uint32
    38  
    39  //go:noescape
    40  func Xadduintptr(ptr *uintptr, delta uintptr) uintptr
    41  
    42  //go:noescape
    43  func Xchg(ptr *uint32, new uint32) uint32
    44  
    45  //go:noescape
    46  func Xchguintptr(ptr *uintptr, new uintptr) uintptr
    47  
    48  //go:noescape
    49  func Load(ptr *uint32) uint32
    50  
    51  //go:noescape
    52  func Load8(ptr *uint8) uint8
    53  
    54  // NO go:noescape annotation; *ptr escapes if result escapes (#31525)
    55  func Loadp(ptr unsafe.Pointer) unsafe.Pointer
    56  
    57  //go:noescape
    58  func LoadAcq(ptr *uint32) uint32
    59  
    60  //go:noescape
    61  func LoadAcquintptr(ptr *uintptr) uintptr
    62  
    63  //go:noescape
    64  func And8(ptr *uint8, val uint8)
    65  
    66  //go:noescape
    67  func Or8(ptr *uint8, val uint8)
    68  
    69  //go:noescape
    70  func And(ptr *uint32, val uint32)
    71  
    72  //go:noescape
    73  func Or(ptr *uint32, val uint32)
    74  
    75  //go:noescape
    76  func Store(ptr *uint32, val uint32)
    77  
    78  //go:noescape
    79  func Store8(ptr *uint8, val uint8)
    80  
    81  // NO go:noescape annotation; see atomic_pointer.go.
    82  func StorepNoWB(ptr unsafe.Pointer, val unsafe.Pointer)
    83  
    84  //go:noescape
    85  func StoreRel(ptr *uint32, val uint32)
    86  
    87  //go:noescape
    88  func StoreReluintptr(ptr *uintptr, val uintptr)
    89  
    90  //go:noescape
    91  func CasRel(addr *uint32, old, new uint32) bool