| | 1 | /* |
| | 2 | * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. |
| | 3 | * |
| | 4 | * @APPLE_LICENSE_HEADER_START@ |
| | 5 | * |
| | 6 | * Copyright (c) 1999-2003 Apple Computer, Inc. All Rights Reserved. |
| | 7 | * |
| | 8 | * This file contains Original Code and/or Modifications of Original Code |
| | 9 | * as defined in and that are subject to the Apple Public Source License |
| | 10 | * Version 2.0 (the 'License'). You may not use this file except in |
| | 11 | * compliance with the License. Please obtain a copy of the License at |
| | 12 | * http://www.opensource.apple.com/apsl/ and read it before using this |
| | 13 | * file. |
| | 14 | * |
| | 15 | * The Original Code and all software distributed under the License are |
| | 16 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| | 17 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| | 18 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| | 19 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| | 20 | * Please see the License for the specific language governing rights and |
| | 21 | * limitations under the License. |
| | 22 | * |
| | 23 | * @APPLE_LICENSE_HEADER_END@ |
| | 24 | */ |
| | 25 | /* |
| | 26 | * @OSF_COPYRIGHT@ |
| | 27 | */ |
| | 28 | /* |
| | 29 | * HISTORY |
| | 30 | * |
| | 31 | * Revision 1.1.1.1 1998/09/22 21:05:48 wsanchez |
| | 32 | * Import of Mac OS X kernel (~semeria) |
| | 33 | * |
| | 34 | * Revision 1.1.1.1 1998/03/07 02:26:09 wsanchez |
| | 35 | * Import of OSF Mach kernel (~mburg) |
| | 36 | * |
| | 37 | * Revision 1.2.10.1 1994/09/23 01:23:15 ezf |
| | 38 | * change marker to not FREE |
| | 39 | * [1994/09/22 21:11:42 ezf] |
| | 40 | * |
| | 41 | * Revision 1.2.8.3 1994/03/17 22:35:48 dwm |
| | 42 | * The infamous name change: thread_activation + thread_shuttle = thread. |
| | 43 | * [1994/03/17 21:26:02 dwm] |
| | 44 | * |
| | 45 | * Revision 1.2.8.2 1994/01/12 17:51:11 dwm |
| | 46 | * Coloc: initial restructuring to follow Utah model. |
| | 47 | * [1994/01/12 17:13:42 dwm] |
| | 48 | * |
| | 49 | * Revision 1.2.8.1 1994/01/05 19:28:25 bolinger |
| | 50 | * Target current address space, not current "task", for writes. |
| | 51 | * [1994/01/04 17:44:51 bolinger] |
| | 52 | * |
| | 53 | * Revision 1.2.2.3 1993/07/27 18:28:36 elliston |
| | 54 | * Add ANSI prototypes. CR #9523. |
| | 55 | * [1993/07/27 18:13:37 elliston] |
| | 56 | * |
| | 57 | * Revision 1.2.2.2 1993/06/09 02:21:11 gm |
| | 58 | * Added to OSF/1 R1.3 from NMK15.0. |
| | 59 | * [1993/06/02 20:58:03 jeffc] |
| | 60 | * |
| | 61 | * Revision 1.2 1993/04/19 16:03:43 devrcs |
| | 62 | * Changes from mk78: |
| | 63 | * Removed unused variable 'p' from db_write_cmd(). |
| | 64 | * [92/05/16 jfriedl] |
| | 65 | * Reorganized. w/u now works, instead of just w/tu. |
| | 66 | * [92/04/18 danner] |
| | 67 | * [93/02/02 bruel] |
| | 68 | * |
| | 69 | * Revision 1.1 1992/09/30 02:01:35 robert |
| | 70 | * Initial revision |
| | 71 | * |
| | 72 | * $EndLog$ |
| | 73 | */ |
| | 74 | /* CMU_HIST */ |
| | 75 | /* |
| | 76 | * Revision 2.6 91/10/09 16:05:06 af |
| | 77 | * Revision 2.5.3.1 91/10/05 13:09:25 jeffreyh |
| | 78 | * Added user space write support including inactive task. |
| | 79 | * [91/08/29 tak] |
| | 80 | * |
| | 81 | * Revision 2.5.3.1 91/10/05 13:09:25 jeffreyh |
| | 82 | * Added user space write support including inactive task. |
| | 83 | * [91/08/29 tak] |
| | 84 | * |
| | 85 | * Revision 2.5 91/05/14 15:38:04 mrt |
| | 86 | * Correcting copyright |
| | 87 | * |
| | 88 | * Revision 2.4 91/02/05 17:07:35 mrt |
| | 89 | * Changed to new Mach copyright |
| | 90 | * [91/01/31 16:20:19 mrt] |
| | 91 | * |
| | 92 | * Revision 2.3 90/10/25 14:44:26 rwd |
| | 93 | * Changed db_write_cmd to print unsigned. |
| | 94 | * [90/10/19 rpd] |
| | 95 | * |
| | 96 | * Revision 2.2 90/08/27 21:53:54 dbg |
| | 97 | * Set db_prev and db_next instead of explicitly advancing dot. |
| | 98 | * [90/08/22 dbg] |
| | 99 | * Reflected changes in db_printsym()'s calling seq. |
| | 100 | * [90/08/20 af] |
| | 101 | * Warn user if nothing was written. |
| | 102 | * [90/08/07 dbg] |
| | 103 | * Created. |
| | 104 | * [90/07/25 dbg] |
| | 105 | * |
| | 106 | */ |
| | 107 | /* CMU_ENDHIST */ |
| | 108 | /* |
| | 109 | * Mach Operating System |
| | 110 | * Copyright (c) 1991,1990 Carnegie Mellon University |
| | 111 | * All Rights Reserved. |
| | 112 | * |
| | 113 | * Permission to use, copy, modify and distribute this software and its |
| | 114 | * documentation is hereby granted, provided that both the copyright |
| | 115 | * notice and this permission notice appear in all copies of the |
| | 116 | * software, derivative works or modified versions, and any portions |
| | 117 | * thereof, and that both notices appear in supporting documentation. |
| | 118 | * |
| | 119 | * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" |
| | 120 | * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR |
| | 121 | * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. |
| | 122 | * |
| | 123 | * Carnegie Mellon requests users of this software to return to |
| | 124 | * |
| | 125 | * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU |
| | 126 | * School of Computer Science |
| | 127 | * Carnegie Mellon University |
| | 128 | * Pittsburgh PA 15213-3890 |
| | 129 | * |
| | 130 | * any improvements or extensions that they make and grant Carnegie Mellon |
| | 131 | * the rights to redistribute these changes. |
| | 132 | */ |
| | 133 | /* |
| | 134 | */ |
| | 135 | /* |
| | 136 | * Author: David B. Golub, Carnegie Mellon University |
| | 137 | * Date: 7/90 |
| | 138 | */ |
| | 139 | |
| | 140 | #include <mach/boolean.h> |
| | 141 | #include <kern/task.h> |
| | 142 | #include <kern/thread.h> |
| | 143 | |
| | 144 | #include <machine/db_machdep.h> |
| | 145 | |
| | 146 | #include <ddb/db_lex.h> |
| | 147 | #include <ddb/db_access.h> |
| | 148 | #include <ddb/db_command.h> |
| | 149 | #include <ddb/db_sym.h> |
| | 150 | #include <ddb/db_task_thread.h> |
| | 151 | #include <ddb/db_expr.h> |
| | 152 | #include <ddb/db_write_cmd.h> |
| | 153 | #include <ddb/db_output.h> /* For db_printf() */ |
| | 154 | |
| | 155 | /* |
| | 156 | * Write to file. |
| | 157 | */ |
| | 158 | void |
| | 159 | db_write_cmd( |
| | 160 | db_expr_t address, |
| | 161 | boolean_t have_addr, |
| | 162 | db_expr_t count, |
| | 163 | char * modif) |
| | 164 | { |
| | 165 | register db_addr_t addr; |
| | 166 | register db_expr_t old_value; |
| | 167 | db_expr_t new_value; |
| | 168 | register int size; |
| | 169 | boolean_t wrote_one = FALSE; |
| | 170 | boolean_t t_opt, u_opt; |
| | 171 | thread_act_t thr_act; |
| | 172 | task_t task; |
| | 173 | |
| | 174 | addr = (db_addr_t) address; |
| | 175 | |
| | 176 | size = db_size_option(modif, &u_opt, &t_opt); |
| | 177 | |
| | 178 | if (t_opt) |
| | 179 | { |
| | 180 | if (!db_get_next_act(&thr_act, 0)) |
| | 181 | return; |
| | 182 | task = thr_act->task; |
| | 183 | } |
| | 184 | else |
| | 185 | task = db_current_space(); |
| | 186 | |
| | 187 | /* if user space is not explicitly specified, |
| | 188 | look in the kernel */ |
| | 189 | if (!u_opt) |
| | 190 | task = TASK_NULL; |
| | 191 | |
| | 192 | if (!DB_VALID_ADDRESS(addr, u_opt)) { |
| | 193 | db_printf("Bad address 0x%x\n", addr); |
| | 194 | return; |
| | 195 | } |
| | 196 | |
| | 197 | while (db_expression(&new_value)) { |
| | 198 | old_value = db_get_task_value(addr, size, FALSE, task); |
| | 199 | db_task_printsym(addr, DB_STGY_ANY, task); |
| | 200 | db_printf("\t\t%#8n\t=\t%#8n\n", old_value, new_value); |
| | 201 | db_put_task_value(addr, size, new_value, task); |
| | 202 | addr += size; |
| | 203 | |
| | 204 | wrote_one = TRUE; |
| | 205 | } |
| | 206 | |
| | 207 | if (!wrote_one) |
| | 208 | db_error("Nothing written.\n"); |
| | 209 | |
| | 210 | db_next = addr; |
| | 211 | db_prev = addr - size; |
| | 212 | } |
projects / apple / xnu.git / blame_incremental