62 lines
2.1 KiB
C
62 lines
2.1 KiB
C
/* $OpenBSD: db_break.h,v 1.12 2019/11/07 13:16:25 mpi Exp $ */
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/* $NetBSD: db_break.h,v 1.8 1996/02/05 01:56:52 christos Exp $ */
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/*
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* Mach Operating System
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* Copyright (c) 1993,1992,1991,1990 Carnegie Mellon University
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* All Rights Reserved.
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*
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* Permission to use, copy, modify and distribute this software and its
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* documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
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* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie Mellon
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* the rights to redistribute these changes.
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*
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* Author: David B. Golub, Carnegie Mellon University
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* Date: 7/90
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*/
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#ifndef _DDB_DB_BREAK_H_
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#define _DDB_DB_BREAK_H_
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#include <uvm/uvm_extern.h>
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/*
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* Breakpoints.
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*/
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typedef struct db_breakpoint {
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vaddr_t address; /* set here */
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int init_count; /* number of times to skip bkpt */
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int count; /* current count */
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int flags; /* flags: */
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#define BKPT_SINGLE_STEP 0x2 /* to simulate single step */
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#define BKPT_TEMP 0x4 /* temporary */
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int bkpt_inst; /* saved instruction at bkpt */
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struct db_breakpoint *link; /* link in in-use or free chain */
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} *db_breakpoint_t;
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db_breakpoint_t db_find_breakpoint(vaddr_t);
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void db_set_breakpoints(void);
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void db_clear_breakpoints(void);
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db_breakpoint_t db_set_temp_breakpoint(vaddr_t);
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void db_delete_temp_breakpoint(db_breakpoint_t);
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void db_delete_cmd(db_expr_t, int, db_expr_t, char *);
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void db_breakpoint_cmd(db_expr_t, int, db_expr_t, char *);
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void db_listbreak_cmd(db_expr_t, int, db_expr_t, char *);
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#endif /* _DDB_DB_BREAK_H_ */
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