1 /* $NetBSD: db_break.h,v 1.16 2002/02/15 07:33:49 simonb Exp $ */ 2 3 /* 4 * Mach Operating System 5 * Copyright (c) 1991,1990 Carnegie Mellon University 6 * All Rights Reserved. 7 * 8 * Permission to use, copy, modify and distribute this software and its 9 * documentation is hereby granted, provided that both the copyright 10 * notice and this permission notice appear in all copies of the 11 * software, derivative works or modified versions, and any portions 12 * thereof, and that both notices appear in supporting documentation. 13 * 14 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 15 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 16 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 17 * 18 * Carnegie Mellon requests users of this software to return to 19 * 20 * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU 21 * School of Computer Science 22 * Carnegie Mellon University 23 * Pittsburgh PA 15213-3890 24 * 25 * any improvements or extensions that they make and grant Carnegie the 26 * rights to redistribute these changes. 27 * 28 * Author: David B. Golub, Carnegie Mellon University 29 * Date: 7/90 30 */ 31 32 #ifndef _DDB_DB_BREAK_H_ 33 #define _DDB_DB_BREAK_H_ 34 35 #include <uvm/uvm_extern.h> 36 37 /* 38 * Breakpoints. 39 */ 40 typedef struct db_breakpoint { 41 struct vm_map *map; /* in this map */ 42 db_addr_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 db_expr_t 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_here(db_addr_t); 53 void db_set_breakpoints(void); 54 void db_clear_breakpoints(void); 55 void db_delete_cmd(db_expr_t, int, db_expr_t, char *); 56 void db_breakpoint_cmd(db_expr_t, int, db_expr_t, char *); 57 void db_listbreak_cmd(db_expr_t, int, db_expr_t, char *); 58 boolean_t db_map_equal(struct vm_map *, struct vm_map *); 59 boolean_t db_map_current(struct vm_map *); 60 struct vm_map *db_map_addr(vaddr_t); 61 62 #endif /* _DDB_DB_BREAK_H_ */ 63