// 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. | |
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 | |
} |