diff options
Diffstat (limited to 'sys/sys/stacktrace.h')
| -rw-r--r-- | sys/sys/stacktrace.h | 40 |
1 files changed, 40 insertions, 0 deletions
diff --git a/sys/sys/stacktrace.h b/sys/sys/stacktrace.h new file mode 100644 index 0000000..5d78b75 --- /dev/null +++ b/sys/sys/stacktrace.h @@ -0,0 +1,40 @@ +/* $OpenBSD: stacktrace.h,v 1.3 2020/04/18 04:45:20 visa Exp $ */ + +/* + * Copyright (c) 2017 Visa Hankala + * + * Permission to use, copy, modify, and/or distribute this software for any + * purpose with or without fee is hereby granted, provided that the above + * copyright notice and this permission notice appear in all copies. + * + * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES + * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF + * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR + * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES + * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN + * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF + * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE. + */ + +#ifndef _SYS_STACKTRACE_H_ +#define _SYS_STACKTRACE_H_ + +#define STACKTRACE_MAX 19 + +struct stacktrace { + unsigned int st_count; + unsigned long st_pc[STACKTRACE_MAX]; +}; + +#ifdef _KERNEL +void stacktrace_print(struct stacktrace *, int (*)(const char *, ...)); +void stacktrace_save_at(struct stacktrace *, unsigned int); + +static inline void +stacktrace_save(struct stacktrace *st) +{ + stacktrace_save_at(st, 0); +} +#endif + +#endif /* _SYS_STACKTRACE_H_ */ |