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