// 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.

// +build amd64 386

#include "runtime.h"

// adjust Gobuf as it if executed a call to fn with context ctxt
// and then did an immediate gosave.
void
runtime·gostartcall(Gobuf *gobuf, void (*fn)(void), void *ctxt)
{
	uintptr *sp;
	
	sp = (uintptr*)gobuf->sp;
	*--sp = (uintptr)gobuf->pc;
	gobuf->sp = (uintptr)sp;
	gobuf->pc = (uintptr)fn;
	gobuf->ctxt = ctxt;
}