1 /*-
2 * Copyright (c) 2014 The FreeBSD Foundation
3 *
4 * This software was developed by Semihalf under
5 * the sponsorship of the FreeBSD Foundation.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 *
16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26 * SUCH DAMAGE.
27 */
28
29 #ifndef _MACHINE_DEBUG_MONITOR_H_
30 #define _MACHINE_DEBUG_MONITOR_H_
31
32 #ifdef DDB
33
34 #include <machine/db_machdep.h>
35
36 enum dbg_access_t {
37 HW_BREAKPOINT_X = 0,
38 HW_WATCHPOINT_R = 1,
39 HW_WATCHPOINT_W = 2,
40 HW_WATCHPOINT_RW = HW_WATCHPOINT_R | HW_WATCHPOINT_W,
41 };
42
43 void dbg_monitor_init(void);
44 void dbg_monitor_init_secondary(void);
45 void dbg_show_watchpoint(void);
46 int dbg_setup_watchpoint(db_expr_t, db_expr_t, enum dbg_access_t);
47 int dbg_remove_watchpoint(db_expr_t, db_expr_t);
48 void dbg_resume_dbreg(void);
49
50 #else /* DDB */
51 static __inline void
dbg_monitor_init(void)52 dbg_monitor_init(void)
53 {
54 }
55 #endif
56
57 #endif /* _MACHINE_DEBUG_MONITOR_H_ */
58