6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
27 /* All Rights Reserved */
28
29 #ifndef _SYS_DEBUG_H
30 #define _SYS_DEBUG_H
31
32 #include <sys/isa_defs.h>
33 #include <sys/types.h>
34 #include <sys/note.h>
35
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39
40 /*
41 * ASSERT(ex) causes a panic or debugger entry if expression ex is not
42 * true. ASSERT() is included only for debugging, and is a no-op in
43 * production kernels. VERIFY(ex), on the other hand, behaves like
44 * ASSERT and is evaluated on both debug and non-debug kernels.
45 */
97 * and prints out the values of the left and right hand expressions as part of
98 * the panic message to ease debugging. The three variants imply the type
99 * of their arguments. ASSERT3S() is for signed data types, ASSERT3U() is
100 * for unsigned, and ASSERT3P() is for pointers. The VERIFY3*() macros
101 * have the same relationship as above.
102 */
103 extern void assfail3(const char *, uintmax_t, const char *, uintmax_t,
104 const char *, int);
105 #define VERIFY3_IMPL(LEFT, OP, RIGHT, TYPE) do { \
106 const TYPE __left = (TYPE)(LEFT); \
107 const TYPE __right = (TYPE)(RIGHT); \
108 if (!(__left OP __right)) \
109 assfail3(#LEFT " " #OP " " #RIGHT, \
110 (uintmax_t)__left, #OP, (uintmax_t)__right, \
111 __FILE__, __LINE__); \
112 _NOTE(CONSTCOND) } while (0)
113
114 #define VERIFY3S(x, y, z) VERIFY3_IMPL(x, y, z, int64_t)
115 #define VERIFY3U(x, y, z) VERIFY3_IMPL(x, y, z, uint64_t)
116 #define VERIFY3P(x, y, z) VERIFY3_IMPL(x, y, z, uintptr_t)
117 #if DEBUG
118 #define ASSERT3S(x, y, z) VERIFY3_IMPL(x, y, z, int64_t)
119 #define ASSERT3U(x, y, z) VERIFY3_IMPL(x, y, z, uint64_t)
120 #define ASSERT3P(x, y, z) VERIFY3_IMPL(x, y, z, uintptr_t)
121 #else
122 #define ASSERT3S(x, y, z) ((void)0)
123 #define ASSERT3U(x, y, z) ((void)0)
124 #define ASSERT3P(x, y, z) ((void)0)
125 #endif
126
127 #ifdef _KERNEL
128
129 extern void abort_sequence_enter(char *);
130 extern void debug_enter(char *);
131
132 #endif /* _KERNEL */
133
134 #if defined(DEBUG) && !defined(__sun)
135 /* CSTYLED */
136 #define STATIC
137 #else
138 /* CSTYLED */
139 #define STATIC static
140 #endif
141
142 #ifdef __cplusplus
143 }
144 #endif
|
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21 /*
22 * Copyright 2010 Sun Microsystems, Inc. All rights reserved.
23 * Use is subject to license terms.
24 */
25
26 /*
27 * Copyright (c) 2012 by Delphix. All rights reserved.
28 */
29
30 /* Copyright (c) 1984, 1986, 1987, 1988, 1989 AT&T */
31 /* All Rights Reserved */
32
33 #ifndef _SYS_DEBUG_H
34 #define _SYS_DEBUG_H
35
36 #include <sys/isa_defs.h>
37 #include <sys/types.h>
38 #include <sys/note.h>
39
40 #ifdef __cplusplus
41 extern "C" {
42 #endif
43
44 /*
45 * ASSERT(ex) causes a panic or debugger entry if expression ex is not
46 * true. ASSERT() is included only for debugging, and is a no-op in
47 * production kernels. VERIFY(ex), on the other hand, behaves like
48 * ASSERT and is evaluated on both debug and non-debug kernels.
49 */
101 * and prints out the values of the left and right hand expressions as part of
102 * the panic message to ease debugging. The three variants imply the type
103 * of their arguments. ASSERT3S() is for signed data types, ASSERT3U() is
104 * for unsigned, and ASSERT3P() is for pointers. The VERIFY3*() macros
105 * have the same relationship as above.
106 */
107 extern void assfail3(const char *, uintmax_t, const char *, uintmax_t,
108 const char *, int);
109 #define VERIFY3_IMPL(LEFT, OP, RIGHT, TYPE) do { \
110 const TYPE __left = (TYPE)(LEFT); \
111 const TYPE __right = (TYPE)(RIGHT); \
112 if (!(__left OP __right)) \
113 assfail3(#LEFT " " #OP " " #RIGHT, \
114 (uintmax_t)__left, #OP, (uintmax_t)__right, \
115 __FILE__, __LINE__); \
116 _NOTE(CONSTCOND) } while (0)
117
118 #define VERIFY3S(x, y, z) VERIFY3_IMPL(x, y, z, int64_t)
119 #define VERIFY3U(x, y, z) VERIFY3_IMPL(x, y, z, uint64_t)
120 #define VERIFY3P(x, y, z) VERIFY3_IMPL(x, y, z, uintptr_t)
121 #define VERIFY0(x) VERIFY3_IMPL(x, ==, 0, uintmax_t)
122
123 #if DEBUG
124 #define ASSERT3S(x, y, z) VERIFY3_IMPL(x, y, z, int64_t)
125 #define ASSERT3U(x, y, z) VERIFY3_IMPL(x, y, z, uint64_t)
126 #define ASSERT3P(x, y, z) VERIFY3_IMPL(x, y, z, uintptr_t)
127 #define ASSERT0(x) VERIFY3_IMPL(x, ==, 0, uintmax_t)
128 #else
129 #define ASSERT3S(x, y, z) ((void)0)
130 #define ASSERT3U(x, y, z) ((void)0)
131 #define ASSERT3P(x, y, z) ((void)0)
132 #define ASSERT0(x) ((void)0)
133 #endif
134
135 #ifdef _KERNEL
136
137 extern void abort_sequence_enter(char *);
138 extern void debug_enter(char *);
139
140 #endif /* _KERNEL */
141
142 #if defined(DEBUG) && !defined(__sun)
143 /* CSTYLED */
144 #define STATIC
145 #else
146 /* CSTYLED */
147 #define STATIC static
148 #endif
149
150 #ifdef __cplusplus
151 }
152 #endif
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