| 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_KCOV_H_ |
| 37 | #define _SYS_KCOV_H_ |
| 38 | |
| 39 | #include <sys/coverage.h> |
| 40 | #include <sys/ioccom.h> |
| 41 | |
| 42 | #define KCOV_MAXENTRIES		(1 << 24)		/* 16M */ |
| 43 | #define	KCOV_ENTRY_SIZE		8 |
| 44 | |
| 45 | #define KCOV_MODE_TRACE_PC	0 |
| 46 | #define KCOV_MODE_TRACE_CMP	1 |
| 47 | |
| 48 | /* KCOV ioctls */ |
| 49 | #define KIOENABLE	_IOWINT('c', 2)	/* Enable coverage recording */ |
| 50 | #define KIODISABLE	_IO('c', 3)	/* Disable coverage recording */ |
| 51 | #define KIOSETBUFSIZE	_IOWINT('c', 4)	/* Set the buffer size */ |
| 52 | |
| 53 | #define	KCOV_CMP_CONST		COV_CMP_CONST |
| 54 | #define	KCOV_CMP_SIZE(x)	COV_CMP_SIZE(x) |
| 55 | #define	KCOV_CMP_MASK		COV_CMP_MASK |
| 56 | #define	KCOV_CMP_GET_SIZE(x)	COV_CMP_GET_SIZE(x) |
| 57 | |
| 58 | #endif /* _SYS_KCOV_H_ */ |