1// Copyright 2013 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
5package runtime
6
7import "unsafe"
8
9// adjust Gobuf as if it executed a call to fn with context ctxt
10// and then did an immediate Gosave.
11func gostartcall(buf *gobuf, fn, ctxt unsafe.Pointer) {
12	if buf.lr != 0 {
13		throw("invalid use of gostartcall")
14	}
15	buf.lr = buf.pc
16	buf.pc = uintptr(fn)
17	buf.ctxt = ctxt
18}
19
20// for testing
21func usplit(x uint32) (q, r uint32)
22