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1 | /* |
1 | /* |
2 | * Copyright (C) 2005 Martin Decky |
2 | * Copyright (c) 2005 Martin Decky |
3 | * All rights reserved. |
3 | * All rights reserved. |
4 | * |
4 | * |
5 | * Redistribution and use in source and binary forms, with or without |
5 | * Redistribution and use in source and binary forms, with or without |
6 | * modification, are permitted provided that the following conditions |
6 | * modification, are permitted provided that the following conditions |
7 | * are met: |
7 | * are met: |
8 | * |
8 | * |
9 | * - Redistributions of source code must retain the above copyright |
9 | * - Redistributions of source code must retain the above copyright |
10 | * notice, this list of conditions and the following disclaimer. |
10 | * notice, this list of conditions and the following disclaimer. |
11 | * - Redistributions in binary form must reproduce the above copyright |
11 | * - Redistributions in binary form must reproduce the above copyright |
12 | * notice, this list of conditions and the following disclaimer in the |
12 | * notice, this list of conditions and the following disclaimer in the |
13 | * documentation and/or other materials provided with the distribution. |
13 | * documentation and/or other materials provided with the distribution. |
14 | * - The name of the author may not be used to endorse or promote products |
14 | * - The name of the author may not be used to endorse or promote products |
15 | * derived from this software without specific prior written permission. |
15 | * derived from this software without specific prior written permission. |
16 | * |
16 | * |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
27 | */ |
27 | */ |
28 | 28 | ||
29 | /** @addtogroup genericdebug |
29 | /** @addtogroup genericdebug |
30 | * @{ |
30 | * @{ |
31 | */ |
31 | */ |
32 | /** @file |
32 | /** @file |
33 | */ |
33 | */ |
34 | 34 | ||
35 | #ifndef KERN_DEBUG_H_ |
35 | #ifndef KERN_DEBUG_H_ |
36 | #define KERN_DEBUG_H_ |
36 | #define KERN_DEBUG_H_ |
37 | 37 | ||
38 | #include <panic.h> |
38 | #include <panic.h> |
39 | #include <arch/debug.h> |
39 | #include <arch/debug.h> |
40 | 40 | ||
41 | #define CALLER ((uintptr_t)__builtin_return_address(0)) |
41 | #define CALLER ((uintptr_t)__builtin_return_address(0)) |
42 | 42 | ||
43 | #ifndef HERE |
43 | #ifndef HERE |
44 | /** Current Instruction Pointer address */ |
44 | /** Current Instruction Pointer address */ |
45 | # define HERE ((uintptr_t *)0) |
45 | # define HERE ((uintptr_t *)0) |
46 | #endif |
46 | #endif |
47 | 47 | ||
48 | /** Debugging ASSERT macro |
48 | /** Debugging ASSERT macro |
49 | * |
49 | * |
50 | * If CONFIG_DEBUG is set, the ASSERT() macro |
50 | * If CONFIG_DEBUG is set, the ASSERT() macro |
51 | * evaluates expr and if it is false raises |
51 | * evaluates expr and if it is false raises |
52 | * kernel panic. |
52 | * kernel panic. |
53 | * |
53 | * |
54 | * @param expr Expression which is expected to be true. |
54 | * @param expr Expression which is expected to be true. |
55 | * |
55 | * |
56 | */ |
56 | */ |
57 | #ifdef CONFIG_DEBUG |
57 | #ifdef CONFIG_DEBUG |
58 | # define ASSERT(expr) if (!(expr)) { panic("assertion failed (%s), caller=%.*p\n", #expr, sizeof(uintptr_t) * 2, CALLER); } |
58 | # define ASSERT(expr) if (!(expr)) { panic("assertion failed (%s), caller=%.*p\n", #expr, sizeof(uintptr_t) * 2, CALLER); } |
59 | #else |
59 | #else |
60 | # define ASSERT(expr) |
60 | # define ASSERT(expr) |
61 | #endif |
61 | #endif |
62 | 62 | ||
63 | #endif |
63 | #endif |
64 | 64 | ||
65 | /** @} |
65 | /** @} |
66 | */ |
66 | */ |
67 | 67 |