db_variables.h revision 1.1
1 1.1 cgd /* 2 1.1 cgd * Mach Operating System 3 1.1 cgd * Copyright (c) 1991,1990 Carnegie Mellon University 4 1.1 cgd * All Rights Reserved. 5 1.1 cgd * 6 1.1 cgd * Permission to use, copy, modify and distribute this software and its 7 1.1 cgd * documentation is hereby granted, provided that both the copyright 8 1.1 cgd * notice and this permission notice appear in all copies of the 9 1.1 cgd * software, derivative works or modified versions, and any portions 10 1.1 cgd * thereof, and that both notices appear in supporting documentation. 11 1.1 cgd * 12 1.1 cgd * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS 13 1.1 cgd * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 14 1.1 cgd * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 15 1.1 cgd * 16 1.1 cgd * Carnegie Mellon requests users of this software to return to 17 1.1 cgd * 18 1.1 cgd * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU 19 1.1 cgd * School of Computer Science 20 1.1 cgd * Carnegie Mellon University 21 1.1 cgd * Pittsburgh PA 15213-3890 22 1.1 cgd * 23 1.1 cgd * any improvements or extensions that they make and grant Carnegie the 24 1.1 cgd * rights to redistribute these changes. 25 1.1 cgd */ 26 1.1 cgd /* 27 1.1 cgd * HISTORY 28 1.1 cgd * $Log: db_variables.h,v $ 29 1.1 cgd * Revision 1.1 1993/03/21 09:45:37 cgd 30 1.1 cgd * Initial revision 31 1.1 cgd * 32 1.1 cgd * Revision 1.1 1992/03/25 21:45:35 pace 33 1.1 cgd * Initial revision 34 1.1 cgd * 35 1.1 cgd * Revision 2.3 91/02/05 17:07:23 mrt 36 1.1 cgd * Changed to new Mach copyright 37 1.1 cgd * [91/01/31 16:19:54 mrt] 38 1.1 cgd * 39 1.1 cgd * Revision 2.2 90/08/27 21:53:40 dbg 40 1.1 cgd * Modularized typedef name. Documented the calling sequence of 41 1.1 cgd * the (optional) access function of a variable. Now the valuep 42 1.1 cgd * field can be made opaque, eg be an offset that fcn() resolves. 43 1.1 cgd * [90/08/20 af] 44 1.1 cgd * 45 1.1 cgd * Created. 46 1.1 cgd * [90/07/25 dbg] 47 1.1 cgd * 48 1.1 cgd */ 49 1.1 cgd /* 50 1.1 cgd * Author: David B. Golub, Carnegie Mellon University 51 1.1 cgd * Date: 7/90 52 1.1 cgd */ 53 1.1 cgd 54 1.1 cgd #ifndef _DB_VARIABLES_H_ 55 1.1 cgd #define _DB_VARIABLES_H_ 56 1.1 cgd 57 1.1 cgd /* 58 1.1 cgd * Debugger variables. 59 1.1 cgd */ 60 1.1 cgd struct db_variable { 61 1.1 cgd char *name; /* Name of variable */ 62 1.1 cgd int *valuep; /* value of variable */ 63 1.1 cgd /* function to call when reading/writing */ 64 1.1 cgd int (*fcn)(/* db_variable *vp, db_expr_t *valuep, int op */); 65 1.1 cgd #define DB_VAR_GET 0 66 1.1 cgd #define DB_VAR_SET 1 67 1.1 cgd }; 68 1.1 cgd #define FCN_NULL ((int (*)())0) 69 1.1 cgd 70 1.1 cgd extern struct db_variable db_vars[]; /* debugger variables */ 71 1.1 cgd extern struct db_variable *db_evars; 72 1.1 cgd extern struct db_variable db_regs[]; /* machine registers */ 73 extern struct db_variable *db_eregs; 74 75 #endif /* _DB_VARIABLES_H_ */ 76
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