1 /* 2 * Mach Operating System 3 * Copyright (c) 1991,1990 Carnegie Mellon University 4 * All Rights Reserved. 5 * 6 * Permission to use, copy, modify and distribute this software and its 7 * documentation is hereby granted, provided that both the copyright 8 * notice and this permission notice appear in all copies of the 9 * software, derivative works or modified versions, and any portions 10 * thereof, and that both notices appear in supporting documentation. 11 * 12 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS 13 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 14 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 15 * 16 * Carnegie Mellon requests users of this software to return to 17 * 18 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 19 * School of Computer Science 20 * Carnegie Mellon University 21 * Pittsburgh PA 15213-3890 22 * 23 * any improvements or extensions that they make and grant Carnegie the 24 * rights to redistribute these changes. 25 * 26 * $FreeBSD: src/sys/ddb/db_break.h,v 1.12 1999/08/28 00:41:06 peter Exp $ 27 * $DragonFly: src/sys/ddb/db_break.h,v 1.2 2003/06/17 04:28:20 dillon Exp $ 28 */ 29 30 /* 31 * Author: David B. Golub, Carnegie Mellon University 32 * Date: 7/90 33 */ 34 #ifndef _DDB_DB_BREAK_H_ 35 #define _DDB_DB_BREAK_H_ 36 37 /* 38 * Breakpoint. 39 */ 40 41 struct db_breakpoint { 42 vm_map_t map; /* in this map */ 43 db_addr_t address; /* set here */ 44 int init_count; /* number of times to skip bkpt */ 45 int count; /* current count */ 46 int flags; /* flags: */ 47 #define BKPT_SINGLE_STEP 0x2 /* to simulate single step */ 48 #define BKPT_TEMP 0x4 /* temporary */ 49 int bkpt_inst; /* saved instruction at bkpt */ 50 struct db_breakpoint *link; /* link in in-use or free chain */ 51 }; 52 typedef struct db_breakpoint *db_breakpoint_t; 53 54 void db_clear_breakpoints __P((void)); 55 #ifdef SOFTWARE_SSTEP 56 void db_delete_temp_breakpoint __P((db_breakpoint_t)); 57 #endif 58 db_breakpoint_t db_find_breakpoint_here __P((db_addr_t addr)); 59 void db_set_breakpoints __P((void)); 60 #ifdef SOFTWARE_SSTEP 61 db_breakpoint_t db_set_temp_breakpoint __P((db_addr_t)); 62 #endif 63 64 #endif /* !_DDB_DB_BREAK_H_ */ 65