freebsd-dev/sys/ddb/db_break.h

68 lines
2.0 KiB
C
Raw Normal View History

1995-05-30 08:16:23 +00:00
/*
1993-06-12 14:58:17 +00:00
* Mach Operating System
* Copyright (c) 1991,1990 Carnegie Mellon University
* All Rights Reserved.
1995-05-30 08:16:23 +00:00
*
1993-06-12 14:58:17 +00:00
* 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.
1995-05-30 08:16:23 +00:00
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
1993-06-12 14:58:17 +00:00
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
1995-05-30 08:16:23 +00:00
*
1993-06-12 14:58:17 +00:00
* Carnegie Mellon requests users of this software to return to
1995-05-30 08:16:23 +00:00
*
1993-06-12 14:58:17 +00:00
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
1995-05-30 08:16:23 +00:00
*
1993-06-12 14:58:17 +00:00
* any improvements or extensions that they make and grant Carnegie the
* rights to redistribute these changes.
*
1999-08-28 01:08:13 +00:00
* $FreeBSD$
1993-06-12 14:58:17 +00:00
*/
1993-06-12 14:58:17 +00:00
/*
* Author: David B. Golub, Carnegie Mellon University
* Date: 7/90
*/
#ifndef _DDB_DB_BREAK_H_
1993-06-12 14:58:17 +00:00
#define _DDB_DB_BREAK_H_
/*
* Breakpoint.
*/
#ifndef BKPT_INST_TYPE
#define BKPT_INST_TYPE int
#endif
1993-06-12 14:58:17 +00:00
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 */
BKPT_INST_TYPE bkpt_inst; /* saved instruction at bkpt */
1993-06-12 14:58:17 +00:00
struct db_breakpoint *link; /* link in in-use or free chain */
};
typedef struct db_breakpoint *db_breakpoint_t;
void db_clear_breakpoints __P((void));
#ifdef SOFTWARE_SSTEP
void db_delete_temp_breakpoint __P((db_breakpoint_t));
#endif
db_breakpoint_t db_find_breakpoint_here __P((db_addr_t addr));
void db_set_breakpoints __P((void));
#ifdef SOFTWARE_SSTEP
db_breakpoint_t db_set_temp_breakpoint __P((db_addr_t));
#endif
1993-06-12 14:58:17 +00:00
#endif /* !_DDB_DB_BREAK_H_ */