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Diffstat (limited to 'sys/ddb/db_break.h')
| -rw-r--r-- | sys/ddb/db_break.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/sys/ddb/db_break.h b/sys/ddb/db_break.h new file mode 100644 index 0000000..dc66dca --- /dev/null +++ b/sys/ddb/db_break.h @@ -0,0 +1,64 @@ +/* + * 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. + * + * $Id$ + */ + +/* + * Author: David B. Golub, Carnegie Mellon University + * Date: 7/90 + */ +#ifndef _DDB_DB_BREAK_H_ +#define _DDB_DB_BREAK_H_ + +#include <vm/vm_map.h> +#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_ |
