Files
Michael Pratt 4d52a55201 Change copyright notice to "The gVisor Authors"
Based on the guidelines at
https://opensource.google.com/docs/releasing/authors/.

1. $ rg -l "Google LLC" | xargs sed -i 's/Google LLC.*/The gVisor Authors./'
2. Manual fixup of "Google Inc" references.
3. Add AUTHORS file. Authors may request to be added to this file.
4. Point netstack AUTHORS to gVisor AUTHORS. Drop CONTRIBUTORS.

Fixes #209

PiperOrigin-RevId: 245823212
Change-Id: I64530b24ad021a7d683137459cafc510f5ee1de9
2019-04-29 14:26:23 -07:00

32 lines
1.1 KiB
Go

// Copyright 2018 The gVisor Authors.
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package arch
import (
"reflect"
)
// alignedBytes returns a slice of size bytes, aligned in memory to the given
// alignment. This is used because we require certain structures to be aligned
// in a specific way (for example, the X86 floating point data).
func alignedBytes(size, alignment uint) []byte {
data := make([]byte, size+alignment-1)
offset := uint(reflect.ValueOf(data).Index(0).Addr().Pointer() % uintptr(alignment))
if offset == 0 {
return data[:size:size]
}
return data[alignment-offset:][:size:size]
}