1/*
2 * Copyright (c) 2008-2016 Solarflare Communications Inc.
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions are met:
7 *
8 * 1. Redistributions of source code must retain the above copyright notice,
9 *    this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright notice,
11 *    this list of conditions and the following disclaimer in the documentation
12 *    and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
15 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
16 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
17 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
18 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
19 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
20 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
21 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
22 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
23 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,
24 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
25 *
26 * The views and conclusions contained in the software and documentation are
27 * those of the authors and should not be interpreted as representing official
28 * policies, either expressed or implied, of the FreeBSD Project.
29 */
30
31#ifndef	_SYS_SFXGE_DEBUG_H
32#define	_SYS_SFXGE_DEBUG_H
33
34#include <sys/types.h>
35
36#ifdef	__cplusplus
37extern "C" {
38#endif
39
40#ifdef	DEBUG
41
42extern boolean_t sfxge_aask;
43
44#define	SFXGE_OBJ_CHECK(_objp, _type)					\
45	do {								\
46		uint8_t *p = (uint8_t *)(_objp);			\
47		size_t off;						\
48									\
49		for (off = 0; off < sizeof (_type); off++) {		\
50			char buf[MAXNAMELEN];				\
51									\
52			if (*p++ == 0)					\
53				continue;				\
54									\
55			(void) snprintf(buf, MAXNAMELEN - 1,		\
56			    "%s[%d]: non-zero byte found in %s "	\
57			    "at 0x%p+%lx", __FILE__, __LINE__, #_type,	\
58			    (void *)(_objp), off);			\
59									\
60			if (sfxge_aask)					\
61				debug_enter(buf);			\
62			break;						\
63		}							\
64	_NOTE(CONSTANTCONDITION)					\
65	} while (B_FALSE)
66
67/* Log cmn_err(9F) messages to console and system log */
68#define	SFXGE_CMN_ERR	""
69
70#else	/* DEBUG */
71
72#define	SFXGE_OBJ_CHECK(_objp, _type)
73
74/* Log cmn_err(9F) messages to system log only */
75#define	SFXGE_CMN_ERR	"!"
76
77#endif	/* DEBUG */
78
79#ifdef	__cplusplus
80}
81#endif
82
83#endif	/* _SYS_SFXGE_DEBUG_H */
84