| // 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. |
| |
| //go:build 386 || arm || mips || mipsle |
| // +build 386 arm mips mipsle |
| |
| 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))) |
| } |
