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65 lines
2.0 KiB
C
65 lines
2.0 KiB
C
/*
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* Mach Operating System
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* Copyright (c) 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
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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 the
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* rights to redistribute these changes.
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*
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* $Id$
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*/
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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 <vm/vm_map.h>
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#include <machine/db_machdep.h>
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/*
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* Breakpoint.
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*/
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struct db_breakpoint {
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vm_map_t map; /* in this map */
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db_addr_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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};
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typedef struct db_breakpoint *db_breakpoint_t;
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extern db_breakpoint_t db_find_breakpoint();
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extern db_breakpoint_t db_find_breakpoint_here();
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extern void db_set_breakpoints();
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extern void db_clear_breakpoints();
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extern db_breakpoint_t db_set_temp_breakpoint(/* db_addr_t addr */);
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extern void db_delete_temp_breakpoint(/* db_breakpoint_t bkpt */);
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#endif _DDB_DB_BREAK_H_
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