1/*-
2 * SPDX-License-Identifier: BSD-2-Clause
3 *
4 * Copyright (C) 2018 The FreeBSD Foundation. All rights reserved.
5 * Copyright (C) 2018, 2019 Andrew Turner.
6 *
7 * This software was developed by Mitchell Horne under sponsorship of
8 * the FreeBSD Foundation.
9 *
10 * This software was developed by SRI International and the University of
11 * Cambridge Computer Laboratory under DARPA/AFRL contract FA8750-10-C-0237
12 * ("CTSRD"), as part of the DARPA CRASH research programme.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
24 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
27 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33 * SUCH DAMAGE.
34 */
35
36#ifndef _SYS_COVERAGE_H_
37#define _SYS_COVERAGE_H_
38
39#if !defined(_KERNEL) && !defined(_SYS_KCOV_H_)
40#error Do not include this file directly in userspace, use sys/kcov.h
41#endif
42
43#define COV_CMP_CONST (1 << 0)
44#define COV_CMP_SIZE(x) ((x) << 1)
45#define COV_CMP_MASK (3 << 1)
46#define COV_CMP_GET_SIZE(x) (((x) >> 1) & 3)
47
48#ifdef _KERNEL
49typedef void (*cov_trace_pc_t)(uintptr_t);
50typedef bool (*cov_trace_cmp_t)(uint64_t, uint64_t, uint64_t, uint64_t);
51
52void cov_register_cmp(cov_trace_cmp_t);
53void cov_unregister_cmp(void);
54void cov_register_pc(cov_trace_pc_t);
55void cov_unregister_pc(void);
56#endif
57
58#endif /* _SYS_COVERAGE_H_ */