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/* $OpenBSD: btrace.h,v 1.4 2020/04/15 16:59:04 mpi Exp $ */
/*
* Copyright (c) 2019 - 2020 Martin Pieuchot <mpi@openbsd.org>
*
* Permission to use, copy, modify, and 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 BTRACE_H
#define BTRACE_H
#ifndef nitems
#define nitems(_a) (sizeof((_a)) / sizeof((_a)[0]))
#endif
struct dt_evt;
struct bt_arg;
struct bt_var;
struct bt_stmt;
/* btrace.c */
long ba2long(struct bt_arg *, struct dt_evt *);
const char *ba2str(struct bt_arg *, struct dt_evt *);
long bacmp(struct bt_arg *, struct bt_arg *);
/* ksyms.c */
int kelf_open(void);
void kelf_close(void);
int kelf_snprintsym(char *, size_t, unsigned long);
/* map.c */
struct map;
void map_clear(struct map *);
void map_delete(struct map *, const char *);
struct bt_arg *map_get(struct map *, const char *);
struct map *map_insert(struct map *, const char *,
struct bt_arg *);
void map_print(struct map *, size_t, const char *);
void map_zero(struct map *);
/* printf.c */
int stmt_printf(struct bt_stmt *, struct dt_evt *);
/* syscalls.c */
extern char *syscallnames[];
#endif /* BTRACE_H */
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