NetBSD/sys/ddb/db_break.h

64 lines
2.0 KiB
C
Raw Normal View History

/* $NetBSD: db_break.h,v 1.5 1994/06/29 06:31:00 cgd Exp $ */
1993-03-21 12:45:37 +03:00
/*
* 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
* 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.
1993-05-20 07:39:04 +04:00
*
1993-03-21 12:45:37 +03:00
* Author: David B. Golub, Carnegie Mellon University
* Date: 7/90
*/
1994-02-15 17:50:41 +03:00
1993-03-21 12:45:37 +03:00
#ifndef _DDB_DB_BREAK_H_
#define _DDB_DB_BREAK_H_
1994-01-08 04:01:50 +03:00
#include <vm/vm.h>
1993-03-21 12:45:37 +03:00
#include <machine/db_machdep.h>
/*
* Breakpoint.
*/
struct db_breakpoint {
vm_map_t 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 */
int bkpt_inst; /* saved instruction at bkpt */
struct db_breakpoint *link; /* link in in-use or free chain */
};
typedef struct db_breakpoint *db_breakpoint_t;
extern db_breakpoint_t db_find_breakpoint();
extern db_breakpoint_t db_find_breakpoint_here();
extern void db_set_breakpoints();
extern void db_clear_breakpoints();
extern db_breakpoint_t db_set_temp_breakpoint(/* db_addr_t addr */);
extern void db_delete_temp_breakpoint(/* db_breakpoint_t bkpt */);
#endif _DDB_DB_BREAK_H_