| 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_ */ |