blob: bc53b13c414f89d4e400897a4460ae4fb5557a8f (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
|
// Copyright 2014 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.
// +build 386 arm nacl armbe m68k mips mipsle mips64p32 mips64p32le mipso32 mipsn32 ppc s390 sparc
package runtime
import "unsafe"
// On 32-bit systems, the stored uint64 has a 32-bit pointer and 32-bit count.
func lfstackPack(node *lfnode, cnt uintptr) uint64 {
return uint64(uintptr(unsafe.Pointer(node)))<<32 | uint64(cnt)
}
func lfstackUnpack(val uint64) *lfnode {
return (*lfnode)(unsafe.Pointer(uintptr(val >> 32)))
}
|
