src/sys/sys/stacktrace.h

42 lines
1.3 KiB
C

/* $OpenBSD: stacktrace.h,v 1.4 2023/04/26 16:53:59 claudio 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);
void stacktrace_save_utrace(struct stacktrace *);
static inline void
stacktrace_save(struct stacktrace *st)
{
stacktrace_save_at(st, 0);
}
#endif
#endif /* _SYS_STACKTRACE_H_ */