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 /* 27 * $Id: db_break.h,v 1.2 1993/05/20 03:39:09 cgd Exp $ 28 * 29 * HISTORY 30 * $Log: db_break.h,v $ 31 * Revision 1.2 1993/05/20 03:39:09 cgd 32 * add explicit rcs id 33 * 34 * Revision 1.1.1.1 1993/03/21 09:46:26 cgd 35 * initial import of 386bsd-0.1 sources 36 * 37 * Revision 1.1 1992/03/25 21:44:59 pace 38 * Initial revision 39 * 40 * Revision 2.4 91/02/05 17:06:06 mrt 41 * Changed to new Mach copyright 42 * [91/01/31 16:17:10 mrt] 43 * 44 * Revision 2.3 90/10/25 14:43:40 rwd 45 * Added map field to breakpoints. 46 * [90/10/18 rpd] 47 * 48 * Revision 2.2 90/08/27 21:50:00 dbg 49 * Modularized typedef names. 50 * [90/08/20 af] 51 * Add external defintions. 52 * [90/08/07 dbg] 53 * Created. 54 * [90/07/25 dbg] 55 * 56 */ 57 /* 58 * Author: David B. Golub, Carnegie Mellon University 59 * Date: 7/90 60 */ 61 #ifndef _DDB_DB_BREAK_H_ 62 #define _DDB_DB_BREAK_H_ 63 64 #include <vm/vm_map.h> 65 #include <machine/db_machdep.h> 66 67 /* 68 * Breakpoint. 69 */ 70 71 struct db_breakpoint { 72 vm_map_t map; /* in this map */ 73 db_addr_t address; /* set here */ 74 int init_count; /* number of times to skip bkpt */ 75 int count; /* current count */ 76 int flags; /* flags: */ 77 #define BKPT_SINGLE_STEP 0x2 /* to simulate single step */ 78 #define BKPT_TEMP 0x4 /* temporary */ 79 int bkpt_inst; /* saved instruction at bkpt */ 80 struct db_breakpoint *link; /* link in in-use or free chain */ 81 }; 82 typedef struct db_breakpoint *db_breakpoint_t; 83 84 extern db_breakpoint_t db_find_breakpoint(); 85 extern db_breakpoint_t db_find_breakpoint_here(); 86 extern void db_set_breakpoints(); 87 extern void db_clear_breakpoints(); 88 89 extern db_breakpoint_t db_set_temp_breakpoint(/* db_addr_t addr */); 90 extern void db_delete_temp_breakpoint(/* db_breakpoint_t bkpt */); 91 92 #endif _DDB_DB_BREAK_H_ 93