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2b5dbafd | 1 | /* |
090bff12 | 2 | * Copyright (c) 2003, 2005, 2019 The DragonFly Project. All rights reserved. |
ea5f14cd HP |
3 | * |
4 | * This code is derived from software contributed to The DragonFly Project | |
5 | * by Hiten Pandya <hmp@backplane.com>. | |
6 | * | |
7 | * Redistribution and use in source and binary forms, with or without | |
8 | * modification, are permitted provided that the following conditions | |
9 | * are met: | |
10 | * | |
11 | * 1. Redistributions of source code must retain the above copyright | |
12 | * notice, this list of conditions and the following disclaimer. | |
13 | * 2. Redistributions in binary form must reproduce the above copyright | |
14 | * notice, this list of conditions and the following disclaimer in | |
15 | * the documentation and/or other materials provided with the | |
16 | * distribution. | |
17 | * 3. Neither the name of The DragonFly Project nor the names of its | |
18 | * contributors may be used to endorse or promote products derived | |
19 | * from this software without specific, prior written permission. | |
20 | * | |
21 | * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS | |
22 | * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT | |
23 | * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS | |
24 | * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE | |
25 | * COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, | |
26 | * INCIDENTAL, SPECIAL, EXEMPLARY OR CONSEQUENTIAL DAMAGES (INCLUDING, | |
27 | * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
28 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED | |
29 | * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, | |
30 | * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT | |
31 | * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF | |
32 | * SUCH DAMAGE. | |
69b54012 | 33 | * |
2b5dbafd HP |
34 | * Copyright (c) 1986, 1988, 1991, 1993 |
35 | * The Regents of the University of California. All rights reserved. | |
36 | * | |
37 | * Redistribution and use in source and binary forms, with or without | |
38 | * modification, are permitted provided that the following conditions | |
39 | * are met: | |
40 | * 1. Redistributions of source code must retain the above copyright | |
41 | * notice unmodified, this list of conditions, and the following | |
42 | * disclaimer. | |
43 | * 2. Redistributions in binary form must reproduce the above copyright | |
44 | * notice, this list of conditions and the following disclaimer in the | |
45 | * documentation and/or other materials provided with the distribution. | |
46 | * 3. Neither the name of the University nor the names of its contributors | |
47 | * may be used to endorse or promote products derived from this software | |
48 | * without specific prior written permission. | |
090bff12 | 49 | * |
2b5dbafd HP |
50 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR |
51 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES | |
52 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. | |
53 | * IN NO EVENT SHALL THE AUTHOR OR THE VOICES IN HIS HEAD BE LIABLE FOR ANY | |
54 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES | |
55 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; | |
56 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND | |
57 | * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT | |
58 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF | |
59 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. | |
60 | * | |
fdd038cc | 61 | * Adopted from: |
2b5dbafd HP |
62 | * src/sys/kern/kern_shutdown.c |
63 | * | |
6ea70f76 | 64 | * $DragonFly: src/sys/kern/kern_debug.c,v 1.6 2006/12/23 00:35:03 swildner Exp $ |
2b5dbafd HP |
65 | * |
66 | */ | |
67 | ||
68 | /* | |
69 | * Various debug routines. | |
70 | * | |
71 | */ | |
72 | ||
73 | #include "opt_ddb.h" | |
74 | ||
75 | #include <sys/param.h> | |
76 | #include <sys/systm.h> | |
090bff12 | 77 | #include <sys/sysctl.h> |
2b5dbafd HP |
78 | |
79 | #include <ddb/ddb.h> | |
80 | ||
090bff12 | 81 | static uint32_t debug_32bit; |
568e93d8 | 82 | static uint64_t debug_64bit; |
090bff12 MD |
83 | |
84 | SYSCTL_BIT32(_debug, OID_AUTO, b32_0, CTLFLAG_RW, &debug_32bit, 0, 0, ""); | |
85 | SYSCTL_BIT32(_debug, OID_AUTO, b32_31, CTLFLAG_RW, &debug_32bit, 0, 31, ""); | |
86 | SYSCTL_BIT64(_debug, OID_AUTO, b64_0, CTLFLAG_RW, &debug_64bit, 0, 0, ""); | |
87 | SYSCTL_BIT64(_debug, OID_AUTO, b64_63, CTLFLAG_RW, &debug_64bit, 0, 63, ""); | |
88 | ||
89 | ||
2b5dbafd HP |
90 | /* |
91 | * Simple DDB stack trace funtionality. | |
92 | */ | |
1e5fb84b | 93 | #ifndef DDB |
2b5dbafd | 94 | void |
7ce2998e | 95 | print_backtrace(int count __unused) |
2b5dbafd | 96 | { |
6ea70f76 SW |
97 | kprintf("Cannot print stack trace.\n"); |
98 | kprintf("DDB kernel option is needed.\n"); | |
2b5dbafd | 99 | } |
1e5fb84b | 100 | #endif |