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1.1 root 1: /*
2: * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * The contents of this file constitute Original Code as defined in and
7: * are subject to the Apple Public Source License Version 1.1 (the
8: * "License"). You may not use this file except in compliance with the
9: * License. Please obtain a copy of the License at
10: * http://www.apple.com/publicsource and read it before using this file.
11: *
12: * This Original Code and all software distributed under the License are
13: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
14: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
15: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
16: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
17: * License for the specific language governing rights and limitations
18: * under the License.
19: *
20: * @APPLE_LICENSE_HEADER_END@
21: */
22: /*
23: * @OSF_COPYRIGHT@
24: */
25: /*
26: * HISTORY
27: *
28: * Revision 1.1.1.1 1998/09/22 21:05:48 wsanchez
29: * Import of Mac OS X kernel (~semeria)
30: *
31: * Revision 1.1.1.1 1998/03/07 02:26:09 wsanchez
32: * Import of OSF Mach kernel (~mburg)
33: *
34: * Revision 1.2.17.5 1996/01/09 19:16:39 devrcs
35: * Define alternate register definitions.
36: * [1995/12/01 21:42:46 jfraser]
37: *
38: * Merged '64-bit safe' changes from DEC alpha port.
39: * [1995/11/21 18:04:00 jfraser]
40: *
41: * Revision 1.2.17.4 1995/02/23 21:44:00 alanl
42: * Merged with DIPC2_SHARED.
43: * [1995/01/05 13:36:23 alanl]
44: *
45: * Revision 1.2.20.2 1994/10/14 03:47:19 dwm
46: * mk6 CR668 - 1.3b26 merge
47: * 64bit cleanup
48: * [1994/10/14 03:40:00 dwm]
49: *
50: * Revision 1.2.17.2 1994/09/23 01:22:42 ezf
51: * change marker to not FREE
52: * [1994/09/22 21:11:29 ezf]
53: *
54: * Revision 1.2.17.1 1994/06/11 21:12:42 bolinger
55: * Merge up to NMK17.2.
56: * [1994/06/11 20:04:23 bolinger]
57: *
58: * Revision 1.2.22.1 1994/12/06 19:43:29 alanl
59: * Intel merge, Oct 94 code drop.
60: * Define DB_VAR_NULL.
61: * Add prototype for db_find_reg_name.
62: * [94/11/23 mmp]
63: *
64: * Revision 1.2.15.1 1994/02/08 10:59:16 bernadat
65: * Added db_show_one_variable & db_show_variable prototypes
66: *
67: * Got DB_MACRO_LEVEL and DB_MACRO_NARGS macros from <ddb/db_variables.h>.
68: * Added new fields (hidden_xxx) into struct db_variable and into
69: * struct db_var_aux_param.
70: * Added DB_VAR_SHOW for showing variables.
71: * [93/08/12 paire]
72: * [94/02/07 bernadat]
73: *
74: * Revision 1.2.4.3 1993/07/27 18:28:29 elliston
75: * Add ANSI prototypes. CR #9523.
76: * [1993/07/27 18:13:26 elliston]
77: *
78: * Revision 1.2.4.2 1993/06/09 02:21:06 gm
79: * Added to OSF/1 R1.3 from NMK15.0.
80: * [1993/06/02 20:57:48 jeffc]
81: *
82: * Revision 1.2 1993/04/19 16:03:36 devrcs
83: * New field used to display old register values with 'set' command
84: * [[email protected]]
85: * [92/12/03 bernadat]
86: *
87: * Revision 1.1 1992/09/30 02:24:26 robert
88: * Initial revision
89: *
90: * $EndLog$
91: */
92: /* CMU_HIST */
93: /*
94: * Revision 2.5 91/10/09 16:04:17 af
95: * Revision 2.4.3.1 91/10/05 13:08:42 jeffreyh
96: * Added suffix related field to db_variable structure.
97: * Added macro definitions of db_{read,write}_variable.
98: * [91/08/29 tak]
99: *
100: * Revision 2.4.3.1 91/10/05 13:08:42 jeffreyh
101: * Added suffix related field to db_variable structure.
102: * Added macro definitions of db_{read,write}_variable.
103: * [91/08/29 tak]
104: *
105: * Revision 2.4 91/05/14 15:37:12 mrt
106: * Correcting copyright
107: *
108: * Revision 2.3 91/02/05 17:07:23 mrt
109: * Changed to new Mach copyright
110: * [91/01/31 16:19:54 mrt]
111: *
112: * Revision 2.2 90/08/27 21:53:40 dbg
113: * Modularized typedef name. Documented the calling sequence of
114: * the (optional) access function of a variable. Now the valuep
115: * field can be made opaque, eg be an offset that fcn() resolves.
116: * [90/08/20 af]
117: *
118: * Created.
119: * [90/07/25 dbg]
120: *
121: */
122: /* CMU_ENDHIST */
123: /*
124: * Mach Operating System
125: * Copyright (c) 1991,1990 Carnegie Mellon University
126: * All Rights Reserved.
127: *
128: * Permission to use, copy, modify and distribute this software and its
129: * documentation is hereby granted, provided that both the copyright
130: * notice and this permission notice appear in all copies of the
131: * software, derivative works or modified versions, and any portions
132: * thereof, and that both notices appear in supporting documentation.
133: *
134: * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
135: * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
136: * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
137: *
138: * Carnegie Mellon requests users of this software to return to
139: *
140: * Software Distribution Coordinator or [email protected]
141: * School of Computer Science
142: * Carnegie Mellon University
143: * Pittsburgh PA 15213-3890
144: *
145: * any improvements or extensions that they make and grant Carnegie Mellon
146: * the rights to redistribute these changes.
147: */
148: /*
149: */
150: /*
151: * Author: David B. Golub, Carnegie Mellon University
152: * Date: 7/90
153: */
154:
155: #ifndef _DDB_DB_VARIABLES_H_
156: #define _DDB_DB_VARIABLES_H_
157:
158: #include <kern/thread.h>
159: #include <machine/db_machdep.h> /* For db_expr_t */
160:
161:
162: #define DB_VAR_LEVEL 3 /* maximum number of suffix level */
163:
164: /*
165: * auxiliary parameters passed to a variable handler
166: */
167: struct db_var_aux_param {
168: char *modif; /* option strings */
169: short level; /* number of levels */
170: short hidden_level; /* hidden level */
171: short suffix[DB_VAR_LEVEL]; /* suffix */
172: thread_act_t thr_act; /* target thr_act */
173: };
174:
175: typedef struct db_var_aux_param *db_var_aux_param_t;
176:
177:
178: /*
179: * Debugger variables.
180: */
181: struct db_variable {
182: char *name; /* Name of variable */
183: db_expr_t *valuep; /* pointer to value of variable */
184: /* function to call when reading/writing */
185: int (*fcn)(struct db_variable *,db_expr_t *,int,db_var_aux_param_t);
186: short min_level; /* number of minimum suffix levels */
187: short max_level; /* number of maximum suffix levels */
188: short low; /* low value of level 1 suffix */
189: short high; /* high value of level 1 suffix */
190: boolean_t hidden_level; /* is there a hidden suffix level ? */
191: short hidden_low; /* low value of hidden level */
192: short hidden_high; /* high value of hidden level */
193: int *hidden_levelp; /* value of current hidden level */
194: boolean_t precious; /* print old value when affecting ? */
195: #define DB_VAR_GET 0
196: #define DB_VAR_SET 1
197: #define DB_VAR_SHOW 2
198: };
199:
200: typedef struct db_variable *db_variable_t;
201:
202: #define DB_VAR_NULL (db_variable_t)0
203:
204: #define FCN_NULL ((int (*)(struct db_variable *, \
205: db_expr_t *, \
206: int, \
207: db_var_aux_param_t)) 0)
208:
209: #define DB_VAR_LEVEL 3 /* maximum number of suffix level */
210: #define DB_MACRO_LEVEL 5 /* max macro nesting */
211: #define DB_MACRO_NARGS 10 /* max args per macro */
212:
213: #define db_read_variable(vp, valuep) \
214: db_read_write_variable(vp, valuep, DB_VAR_GET, 0)
215: #define db_write_variable(vp, valuep) \
216: db_read_write_variable(vp, valuep, DB_VAR_SET, 0)
217:
218:
219: extern struct db_variable db_vars[]; /* debugger variables */
220: extern struct db_variable *db_evars;
221: extern struct db_variable db_regs[]; /* machine registers */
222: extern struct db_variable *db_eregs;
223:
224: #if defined(ALTERNATE_REGISTER_DEFS)
225:
226: extern struct db_variable db_altregs[]; /* alternate machine regs */
227: extern struct db_variable *db_ealtregs;
228:
229: #endif /* defined(ALTERNATE_REGISTER_DEFS) */
230:
231: /* Prototypes for functions exported by this module.
232: */
233:
234: int db_get_variable(db_expr_t *valuep);
235:
236: void db_read_write_variable(
237: struct db_variable *vp,
238: db_expr_t *valuep,
239: int rw_flag,
240: db_var_aux_param_t ap);
241:
242: void db_set_cmd(void);
243:
244: void db_show_one_variable(void);
245:
246: void db_show_variable(void);
247:
248: db_variable_t db_find_reg_name(char *s);
249:
250: #endif /* !_DDB_DB_VARIABLES_H_ */
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