File Manager

X7ROOT File Manager

Current Path: /opt/golang/1.22.0/src/runtime/internal/atomic

opt / golang / 1.22.0 / src / runtime / internal / atomic /

📁 ..
📄 atomic_386.go(2.22 KB)
📄 atomic_386.s(6.53 KB)
📄 atomic_amd64.go(2.46 KB)
📄 atomic_amd64.s(5.18 KB)
📄 atomic_andor_generic.go(1.06 KB)
📄 atomic_andor_test.go(5.14 KB)
📄 atomic_arm.go(4.74 KB)
📄 atomic_arm.s(5.69 KB)
📄 atomic_arm64.go(2.15 KB)
📄 atomic_arm64.s(8.26 KB)
📄 atomic_loong64.go(1.76 KB)
📄 atomic_loong64.s(5.25 KB)
📄 atomic_mips64x.go(1.77 KB)
📄 atomic_mips64x.s(6.08 KB)
📄 atomic_mipsx.go(2.66 KB)
📄 atomic_mipsx.s(4.3 KB)
📄 atomic_ppc64x.go(2.12 KB)
📄 atomic_ppc64x.s(7.49 KB)
📄 atomic_riscv64.go(2.03 KB)
📄 atomic_riscv64.s(6.99 KB)
📄 atomic_s390x.go(2.12 KB)
📄 atomic_s390x.s(5.89 KB)
📄 atomic_test.go(8.52 KB)
📄 atomic_wasm.go(5.32 KB)
📄 atomic_wasm.s(269 B)
📄 bench_test.go(3.24 KB)
📄 doc.go(771 B)
📄 stubs.go(1.23 KB)
📄 sys_linux_arm.s(2.84 KB)
📄 sys_nonlinux_arm.s(1.33 KB)
📄 types.go(14.23 KB)
📄 types_64bit.go(1.1 KB)
📄 unaligned.go(246 B)

Editing: atomic_mipsx.go

// Copyright 2016 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 mips || mipsle

// Export some functions via linkname to assembly in sync/atomic.
//
//go:linkname Xadd64
//go:linkname Xchg64
//go:linkname Cas64
//go:linkname Load64
//go:linkname Store64

package atomic

import (
	"internal/cpu"
	"unsafe"
)

// TODO implement lock striping
var lock struct {
	state uint32
	pad   [cpu.CacheLinePadSize - 4]byte
}

//go:noescape
func spinLock(state *uint32)

//go:noescape
func spinUnlock(state *uint32)

//go:nosplit
func lockAndCheck(addr *uint64) {
	// ensure 8-byte alignment
	if uintptr(unsafe.Pointer(addr))&7 != 0 {
		panicUnaligned()
	}
	// force dereference before taking lock
	_ = *addr

spinLock(&lock.state)
}

//go:nosplit
func unlock() {
	spinUnlock(&lock.state)
}

//go:nosplit
func Xadd64(addr *uint64, delta int64) (new uint64) {
	lockAndCheck(addr)

new = *addr + uint64(delta)
	*addr = new

unlock()
	return
}

//go:nosplit
func Xchg64(addr *uint64, new uint64) (old uint64) {
	lockAndCheck(addr)

old = *addr
	*addr = new

unlock()
	return
}

//go:nosplit
func Cas64(addr *uint64, old, new uint64) (swapped bool) {
	lockAndCheck(addr)

if (*addr) == old {
		*addr = new
		unlock()
		return true
	}

unlock()
	return false
}

//go:nosplit
func Load64(addr *uint64) (val uint64) {
	lockAndCheck(addr)

val = *addr

unlock()
	return
}

//go:nosplit
func Store64(addr *uint64, val uint64) {
	lockAndCheck(addr)

*addr = val

unlock()
	return
}

//go:noescape
func Xadd(ptr *uint32, delta int32) uint32

//go:noescape
func Xadduintptr(ptr *uintptr, delta uintptr) uintptr

//go:noescape
func Xchg(ptr *uint32, new uint32) uint32

//go:noescape
func Xchguintptr(ptr *uintptr, new uintptr) uintptr

//go:noescape
func Load(ptr *uint32) uint32

//go:noescape
func Load8(ptr *uint8) uint8

// NO go:noescape annotation; *ptr escapes if result escapes (#31525)
func Loadp(ptr unsafe.Pointer) unsafe.Pointer

//go:noescape
func LoadAcq(ptr *uint32) uint32

//go:noescape
func LoadAcquintptr(ptr *uintptr) uintptr

//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 Store(ptr *uint32, val uint32)

//go:noescape
func Store8(ptr *uint8, val uint8)

// NO go:noescape annotation; see atomic_pointer.go.
func StorepNoWB(ptr unsafe.Pointer, val unsafe.Pointer)

//go:noescape
func StoreRel(ptr *uint32, val uint32)

//go:noescape
func StoreReluintptr(ptr *uintptr, val uintptr)

//go:noescape
func CasRel(addr *uint32, old, new uint32) bool

X7ROOT File Manager

Editing: atomic_mipsx.go

Upload File

Create Folder