/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ /* * HISTORY * * Revision 1.1.1.1 1998/09/22 21:05:48 wsanchez * Import of Mac OS X kernel (~semeria) * * Revision 1.1.1.1 1998/03/07 02:26:09 wsanchez * Import of OSF Mach kernel (~mburg) * * Revision 1.2.10.1 1994/09/23 01:23:15 ezf * change marker to not FREE * [1994/09/22 21:11:42 ezf] * * Revision 1.2.8.3 1994/03/17 22:35:48 dwm * The infamous name change: thread_activation + thread_shuttle = thread. * [1994/03/17 21:26:02 dwm] * * Revision 1.2.8.2 1994/01/12 17:51:11 dwm * Coloc: initial restructuring to follow Utah model. * [1994/01/12 17:13:42 dwm] * * Revision 1.2.8.1 1994/01/05 19:28:25 bolinger * Target current address space, not current "task", for writes. * [1994/01/04 17:44:51 bolinger] * * Revision 1.2.2.3 1993/07/27 18:28:36 elliston * Add ANSI prototypes. CR #9523. * [1993/07/27 18:13:37 elliston] * * Revision 1.2.2.2 1993/06/09 02:21:11 gm * Added to OSF/1 R1.3 from NMK15.0. * [1993/06/02 20:58:03 jeffc] * * Revision 1.2 1993/04/19 16:03:43 devrcs * Changes from mk78: * Removed unused variable 'p' from db_write_cmd(). * [92/05/16 jfriedl] * Reorganized. w/u now works, instead of just w/tu. * [92/04/18 danner] * [93/02/02 bruel] * * Revision 1.1 1992/09/30 02:01:35 robert * Initial revision * * $EndLog$ */ /* CMU_HIST */ /* * Revision 2.6 91/10/09 16:05:06 af * Revision 2.5.3.1 91/10/05 13:09:25 jeffreyh * Added user space write support including inactive task. * [91/08/29 tak] * * Revision 2.5.3.1 91/10/05 13:09:25 jeffreyh * Added user space write support including inactive task. * [91/08/29 tak] * * Revision 2.5 91/05/14 15:38:04 mrt * Correcting copyright * * Revision 2.4 91/02/05 17:07:35 mrt * Changed to new Mach copyright * [91/01/31 16:20:19 mrt] * * Revision 2.3 90/10/25 14:44:26 rwd * Changed db_write_cmd to print unsigned. * [90/10/19 rpd] * * Revision 2.2 90/08/27 21:53:54 dbg * Set db_prev and db_next instead of explicitly advancing dot. * [90/08/22 dbg] * Reflected changes in db_printsym()'s calling seq. * [90/08/20 af] * Warn user if nothing was written. * [90/08/07 dbg] * Created. * [90/07/25 dbg] * */ /* CMU_ENDHIST */ /* * 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 "AS IS" * 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 Mellon * the rights to redistribute these changes. */ /* */ /* * Author: David B. Golub, Carnegie Mellon University * Date: 7/90 */ #include <mach/boolean.h> #include <kern/task.h> #include <kern/thread.h> #include <machine/db_machdep.h> #include <ddb/db_lex.h> #include <ddb/db_access.h> #include <ddb/db_command.h> #include <ddb/db_sym.h> #include <ddb/db_task_thread.h> #include <ddb/db_expr.h> #include <ddb/db_write_cmd.h> #include <ddb/db_output.h> /* For db_printf() */ /* * Write to file. */ void db_write_cmd( db_expr_t address, boolean_t have_addr, db_expr_t count, char * modif) { register db_addr_t addr; register db_expr_t old_value; db_expr_t new_value; register int size; boolean_t wrote_one = FALSE; boolean_t t_opt, u_opt; thread_act_t thr_act; task_t task; addr = (db_addr_t) address; size = db_size_option(modif, &u_opt, &t_opt); if (t_opt) { if (!db_get_next_act(&thr_act, 0)) return; task = thr_act->task; } else task = db_current_space(); /* if user space is not explicitly specified, look in the kernel */ if (!u_opt) task = TASK_NULL; if (!DB_VALID_ADDRESS(addr, u_opt)) { db_printf("Bad address 0x%x\n", addr); return; } while (db_expression(&new_value)) { old_value = db_get_task_value(addr, size, FALSE, task); db_task_printsym(addr, DB_STGY_ANY, task); db_printf("\t\t%#8n\t=\t%#8n\n", old_value, new_value); db_put_task_value(addr, size, new_value, task); addr += size; wrote_one = TRUE; } if (!wrote_one) db_error("Nothing written.\n"); db_next = addr; db_prev = addr - size; }