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go/src/runtime/rdebug.go
Michael Hudson-Doyle 42c7929c04 runtime, runtime/debug: access unexported runtime functions with //go:linkname, not assembly stubs
Change-Id: I88f80f5914d6e4c179f3d28aa59fc29b7ef0cc66
Reviewed-on: https://go-review.googlesource.com/15960
Reviewed-by: Minux Ma <minux@golang.org>
Run-TryBot: Minux Ma <minux@golang.org>
TryBot-Result: Gobot Gobot <gobot@golang.org>
2015-10-16 09:14:25 +00:00

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Go

// Copyright 2014 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" // for go:linkname
//go:linkname setMaxStack runtime/debug.setMaxStack
func setMaxStack(in int) (out int) {
out = int(maxstacksize)
maxstacksize = uintptr(in)
return out
}
//go:linkname setPanicOnFault runtime/debug.setPanicOnFault
func setPanicOnFault(new bool) (old bool) {
mp := acquirem()
old = mp.curg.paniconfault
mp.curg.paniconfault = new
releasem(mp)
return old
}