// Copyright 2020 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 kernel

import (
	"unsafe"

	"gvisor.dev/gvisor/pkg/safemem"
)

// countBlock provides a safemem.BlockSeq for kcov.count.
//
// Like k.count, the block returned is protected by k.mu.
func (kcov *Kcov) countBlock() safemem.BlockSeq {
	return safemem.BlockSeqOf(safemem.BlockFromSafePointer(unsafe.Pointer(&kcov.count), int(unsafe.Sizeof(kcov.count))))
}