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 */ 41 typedef 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 52 db_breakpoint_t db_find_breakpoint(vaddr_t); 53 void db_set_breakpoints(void); 54 void db_clear_breakpoints(void); 55 db_breakpoint_t db_set_temp_breakpoint(vaddr_t); 56 void db_delete_temp_breakpoint(db_breakpoint_t); 57 void db_delete_cmd(db_expr_t, int, db_expr_t, char *); 58 void db_breakpoint_cmd(db_expr_t, int, db_expr_t, char *); 59 void db_listbreak_cmd(db_expr_t, int, db_expr_t, char *); 60 61 #endif /* _DDB_DB_BREAK_H_ */ 62