Book a Demo!
CoCalc Logo Icon
StoreFeaturesDocsShareSupportNewsAboutPoliciesSign UpSign In
freebsd
GitHub Repository: freebsd/freebsd-src
 Path: blob/main/sys/arm/include/debug_monitor.h
39483 views
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

52
dbg_monitor_init(void)

53
{

54
}

55
#endif

56


57
#endif /* _MACHINE_DEBUG_MONITOR_H_ */

58


59