mirror of git://gcc.gnu.org/git/gcc.git
60 lines
1.3 KiB
Go
60 lines
1.3 KiB
Go
// Copyright 2016 The Go Authors. All rights reserved.
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// Use of this source code is governed by a BSD-style
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// license that can be found in the LICENSE file.
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package atomic
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// Stubs for atomic functions that in gccgo are implemented in C.
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import "unsafe"
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//go:noescape
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func Load(ptr *uint32) uint32
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//go:noescape
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func Loadp(ptr unsafe.Pointer) unsafe.Pointer
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//go:noescape
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func Load64(ptr *uint64) uint64
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//go:noescape
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func Xadd(ptr *uint32, delta int32) uint32
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//go:noescape
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func Xadd64(ptr *uint64, delta int64) uint64
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//go:noescape
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func Xadduintptr(ptr *uintptr, delta uintptr) uintptr
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//go:noescape
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func Xchg(ptr *uint32, new uint32) uint32
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//go:noescape
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func Xchg64(ptr *uint64, new uint64) uint64
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//go:noescape
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func Xchguintptr(ptr *uintptr, new uintptr) uintptr
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//go:noescape
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func And8(ptr *uint8, val uint8)
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//go:noescape
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func Or8(ptr *uint8, val uint8)
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// NOTE: Do not add atomicxor8 (XOR is not idempotent).
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//go:noescape
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func Cas64(ptr *uint64, old, new uint64) bool
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//go:noescape
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func Store(ptr *uint32, val uint32)
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//go:noescape
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func Store64(ptr *uint64, val uint64)
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// StorepNoWB performs *ptr = val atomically and without a write
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// barrier.
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//
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// NO go:noescape annotation; see atomic_pointer.go.
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func StorepNoWB(ptr unsafe.Pointer, val unsafe.Pointer)
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