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Diffstat (limited to 'sys/ddb/db_variables.h')
| -rw-r--r-- | sys/ddb/db_variables.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/sys/ddb/db_variables.h b/sys/ddb/db_variables.h new file mode 100644 index 0000000..35e5a00 --- /dev/null +++ b/sys/ddb/db_variables.h @@ -0,0 +1,57 @@ +/* + * 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: db_variables.h,v 1.2 1993/10/16 16:47:31 rgrimes Exp $ + */ + +/* + * Author: David B. Golub, Carnegie Mellon University + * Date: 7/90 + */ + +#ifndef _DB_VARIABLES_H_ +#define _DB_VARIABLES_H_ + +/* + * Debugger variables. + */ +struct db_variable { + char *name; /* Name of variable */ + int *valuep; /* value of variable */ + /* function to call when reading/writing */ + int (*fcn)(/* db_variable *vp, db_expr_t *valuep, int op */); +#define DB_VAR_GET 0 +#define DB_VAR_SET 1 +}; +#define FCN_NULL ((int (*)())0) + +extern struct db_variable db_vars[]; /* debugger variables */ +extern struct db_variable *db_evars; +extern struct db_variable db_regs[]; /* machine registers */ +extern struct db_variable *db_eregs; + +extern void db_read_variable(struct db_variable *, db_expr_t *); + +#endif /* _DB_VARIABLES_H_ */ |
