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/* $OpenBSD: db_break.h,v 1.12 2019/11/07 13:16:25 mpi Exp $ */
/* $NetBSD: db_break.h,v 1.8 1996/02/05 01:56:52 christos Exp $ */
/*
* Mach Operating System
* Copyright (c) 1993,1992,1991,1990 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 Mellon
* 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 {
vaddr_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 */
} *db_breakpoint_t;
db_breakpoint_t db_find_breakpoint(vaddr_t);
void db_set_breakpoints(void);
void db_clear_breakpoints(void);
db_breakpoint_t db_set_temp_breakpoint(vaddr_t);
void db_delete_temp_breakpoint(db_breakpoint_t);
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 *);
#endif /* _DDB_DB_BREAK_H_ */
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