NetBSD/sys/ddb/db_break.h

63 lines
2.1 KiB
C

/* $NetBSD: db_break.h,v 1.16 2002/02/15 07:33:49 simonb Exp $ */
/*
* Mach Operating System
* Copyright (c) 1991,1990 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*
* Author: David B. Golub, Carnegie Mellon University
* Date: 7/90
*/
#ifndef _DDB_DB_BREAK_H_
#define _DDB_DB_BREAK_H_
#include <uvm/uvm_extern.h>
/*
* Breakpoints.
*/
typedef struct db_breakpoint {
struct vm_map *map; /* in this map */
db_addr_t address; /* set here */
int init_count; /* number of times to skip bkpt */
int count; /* current count */
int flags; /* flags: */
#define BKPT_SINGLE_STEP 0x2 /* to simulate single step */
#define BKPT_TEMP 0x4 /* temporary */
db_expr_t bkpt_inst; /* saved instruction at bkpt */
struct db_breakpoint *link; /* link in in-use or free chain */
} *db_breakpoint_t;
db_breakpoint_t db_find_breakpoint_here(db_addr_t);
void db_set_breakpoints(void);
void db_clear_breakpoints(void);
void db_delete_cmd(db_expr_t, int, db_expr_t, char *);
void db_breakpoint_cmd(db_expr_t, int, db_expr_t, char *);
void db_listbreak_cmd(db_expr_t, int, db_expr_t, char *);
boolean_t db_map_equal(struct vm_map *, struct vm_map *);
boolean_t db_map_current(struct vm_map *);
struct vm_map *db_map_addr(vaddr_t);
#endif /* _DDB_DB_BREAK_H_ */