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// Copyright 2013 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.
package runtime
import "unsafe"
// adjust Gobuf as if it executed a call to fn with context ctxt
// and then did an immediate Gosave.
func gostartcall(buf *gobuf, fn, ctxt unsafe.Pointer) {
if buf.lr != 0 {
throw("invalid use of gostartcall")
}
buf.lr = buf.pc
buf.pc = uintptr(fn)
buf.ctxt = ctxt
}
// for testing
func usplit(x uint32) (q, r uint32)
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