1/*	$OpenBSD: db_break.h,v 1.12 2019/11/07 13:16:25 mpi Exp $	*/
2/*	$NetBSD: db_break.h,v 1.8 1996/02/05 01:56:52 christos Exp $	*/
3
4/*
5 * Mach Operating System
6 * Copyright (c) 1993,1992,1991,1990 Carnegie Mellon University
7 * All Rights Reserved.
8 *
9 * Permission to use, copy, modify and distribute this software and its
10 * documentation is hereby granted, provided that both the copyright
11 * notice and this permission notice appear in all copies of the
12 * software, derivative works or modified versions, and any portions
13 * thereof, and that both notices appear in supporting documentation.
14 *
15 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
16 * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
17 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
18 *
19 * Carnegie Mellon requests users of this software to return to
20 *
21 *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
22 *  School of Computer Science
23 *  Carnegie Mellon University
24 *  Pittsburgh PA 15213-3890
25 *
26 * any improvements or extensions that they make and grant Carnegie Mellon
27 * the rights to redistribute these changes.
28 *
29 *	Author: David B. Golub, Carnegie Mellon University
30 *	Date:	7/90
31 */
32
33#ifndef	_DDB_DB_BREAK_H_
34#define	_DDB_DB_BREAK_H_
35
36#include <uvm/uvm_extern.h>
37
38/*
39 * Breakpoints.
40 */
41typedef struct db_breakpoint {
42	vaddr_t address;		/* set here */
43	int	init_count;		/* number of times to skip bkpt */
44	int	count;			/* current count */
45	int	flags;			/* flags: */
46#define	BKPT_SINGLE_STEP	0x2	    /* to simulate single step */
47#define	BKPT_TEMP		0x4	    /* temporary */
48	int	bkpt_inst;		/* saved instruction at bkpt */
49	struct db_breakpoint *link;	/* link in in-use or free chain */
50} *db_breakpoint_t;
51
52db_breakpoint_t db_find_breakpoint(vaddr_t);
53void db_set_breakpoints(void);
54void db_clear_breakpoints(void);
55db_breakpoint_t db_set_temp_breakpoint(vaddr_t);
56void db_delete_temp_breakpoint(db_breakpoint_t);
57void db_delete_cmd(db_expr_t, int, db_expr_t, char *);
58void db_breakpoint_cmd(db_expr_t, int, db_expr_t, char *);
59void db_listbreak_cmd(db_expr_t, int, db_expr_t, char *);
60
61#endif	/* _DDB_DB_BREAK_H_ */
62