1// Copyright 2014 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" // for go:linkname
8
9// Define maxstacksize here for gccgo. For gc it is defined in
10// stack.go, but gccgo doesn't use that file. Or, for that matter,
11// maxstacksize.
12var maxstacksize uintptr = 1 << 20 // enough until runtime.main sets it for real
13
14//go:linkname setMaxStack runtime_1debug.setMaxStack
15func setMaxStack(in int) (out int) {
16	out = int(maxstacksize)
17	maxstacksize = uintptr(in)
18	return out
19}
20
21//go:linkname setPanicOnFault runtime_1debug.setPanicOnFault
22func setPanicOnFault(new bool) (old bool) {
23	_g_ := getg()
24	old = _g_.paniconfault
25	_g_.paniconfault = new
26	return old
27}
28