// 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 probe

// Sizes of values for the AMD64 architecture.

const (
	ptrSize = 8
	maxInt  = 1<<63 - 1
)
