1 /* $OpenBSD: stacktrace.h,v 1.4 2023/04/26 16:53:59 claudio Exp $ */
2
3 /*
4 * Copyright (c) 2017 Visa Hankala
5 *
6 * Permission to use, copy, modify, and/or distribute this software for any
7 * purpose with or without fee is hereby granted, provided that the above
8 * copyright notice and this permission notice appear in all copies.
9 *
10 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
11 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
13 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
14 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
15 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
16 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
17 */
18
19 #ifndef _SYS_STACKTRACE_H_
20 #define _SYS_STACKTRACE_H_
21
22 #define STACKTRACE_MAX 19
23
24 struct stacktrace {
25 unsigned int st_count;
26 unsigned long st_pc[STACKTRACE_MAX];
27 };
28
29 #ifdef _KERNEL
30 void stacktrace_print(struct stacktrace *, int (*)(const char *, ...));
31 void stacktrace_save_at(struct stacktrace *, unsigned int);
32 void stacktrace_save_utrace(struct stacktrace *);
33
34 static inline void
stacktrace_save(struct stacktrace * st)35 stacktrace_save(struct stacktrace *st)
36 {
37 stacktrace_save_at(st, 0);
38 }
39 #endif
40
41 #endif /* _SYS_STACKTRACE_H_ */
42