| 1 | /*
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| 2 | * Copyright (c) 2005 Martin Decky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup kernel_generic_debug
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | */
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| 34 |
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| 35 | #ifndef KERN_ASSERT_H_
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| 36 | #define KERN_ASSERT_H_
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| 37 |
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| 38 | #include <panic.h>
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| 39 |
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| 40 | #ifdef CONFIG_DEBUG
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| 41 |
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| 42 | /** Debugging assert macro
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| 43 | *
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| 44 | * If CONFIG_DEBUG is set, the assert() macro
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| 45 | * evaluates expr and if it is false raises
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| 46 | * kernel panic.
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| 47 | *
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| 48 | * @param expr Expression which is expected to be true.
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| 49 | *
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| 50 | */
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| 51 | #define assert(expr) \
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| 52 | do { \
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| 53 | if (!(expr)) \
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| 54 | panic_assert("%s() at %s:%u:\n%s", \
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| 55 | __func__, __FILE__, __LINE__, #expr); \
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| 56 | } while (0)
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| 57 |
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| 58 | /** Debugging verbose assert macro
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| 59 | *
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| 60 | * If CONFIG_DEBUG is set, the assert_verbose() macro
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| 61 | * evaluates expr and if it is false raises
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| 62 | * kernel panic. The panic message contains also
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| 63 | * the supplied message.
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| 64 | *
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| 65 | * @param expr Expression which is expected to be true.
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| 66 | * @param msg Additional message to show (string).
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| 67 | *
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| 68 | */
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| 69 | #define assert_verbose(expr, msg) \
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| 70 | do { \
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| 71 | if (!(expr)) \
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| 72 | panic_assert("%s() at %s:%u:\n%s, %s", \
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| 73 | __func__, __FILE__, __LINE__, #expr, msg); \
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| 74 | } while (0)
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| 75 |
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| 76 | /** Static assert macro
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| 77 | *
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| 78 | */
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| 79 | #define static_assert \
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| 80 | _Static_assert
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| 81 |
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| 82 | #else /* CONFIG_DEBUG */
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| 83 |
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| 84 | #define assert(expr) ((void) 0)
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| 85 | #define assert_verbose(expr, msg) ((void) 0)
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| 86 | #define static_assert(expr, msg) ((void) 0)
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| 87 |
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| 88 | #endif /* CONFIG_DEBUG */
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| 89 |
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| 90 | #endif
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| 91 |
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| 92 | /** @}
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| 93 | */
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