/* * 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 1.1.9.1 1994/09/23 01:22:09 ezf * change marker to not FREE * [1994/09/22 21:11:13 ezf] * * Revision 1.1.7.4 1994/03/17 22:35:38 dwm * The infamous name change: thread_activation + thread_shuttle = thread. * [1994/03/17 21:25:53 dwm] * * Revision 1.1.7.3 1994/02/03 21:44:27 bolinger * Change a surviving current_thread() to current_act(). * [1994/02/03 20:48:03 bolinger] * * Revision 1.1.7.2 1994/01/12 17:50:56 dwm * Coloc: initial restructuring to follow Utah model. * [1994/01/12 17:13:27 dwm] * * Revision 1.1.7.1 1994/01/05 19:28:18 bolinger * Separate notions of "address space" and "task" (i.e., symbol table), * via new macros db_current_space() and db_is_current_space(); also update * db_target_space() to treat kernel-loaded tasks correctly. * [1994/01/04 17:41:47 bolinger] * * Revision 1.1.2.4 1993/07/27 18:28:17 elliston * Add ANSI prototypes. CR #9523. * [1993/07/27 18:13:10 elliston] * * Revision 1.1.2.3 1993/06/07 22:06:58 jeffc * CR9176 - ANSI C violations: trailing tokens on CPP * directives, extra semicolons after decl_ ..., asm keywords * [1993/06/07 18:57:35 jeffc] * * Revision 1.1.2.2 1993/06/02 23:12:46 jeffc * Added to OSF/1 R1.3 from NMK15.0. * [1993/06/02 20:57:32 jeffc] * * Revision 1.1 1992/09/30 02:24:23 robert * Initial revision * * $EndLog$ */ /* CMU_HIST */ /* * Revision 2.2 91/10/09 16:03:18 af * Revision 2.1.3.1 91/10/05 13:08:07 jeffreyh * Created for task/thread handling. * [91/08/29 tak] * * Revision 2.1.3.1 91/10/05 13:08:07 jeffreyh * Created for task/thread handling. * [91/08/29 tak] * */ /* 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. */ /* */ #ifndef _DDB_DB_TASK_THREAD_H_ #define _DDB_DB_TASK_THREAD_H_ #include <kern/task.h> #include <kern/thread.h> #include <kern/processor.h> #include <ddb/db_variables.h> /* For db_var_aux_param_t */ /* * On behalf of kernel-loaded tasks, distinguish between current task * (=> symbol table) and current address space (=> where [e.g.] * breakpoints are set). From ddb's perspective, kernel-loaded tasks * can retain their own symbol tables, but share the kernel's address * space. */ #define db_current_task() \ ((current_act())? current_act()->task: TASK_NULL) #define db_current_space() \ ((current_act() && !current_act()->kernel_loaded)?\ current_act()->task: TASK_NULL) #define db_target_space(thr_act, user_space) \ ((!(user_space) || ((thr_act) && (thr_act)->kernel_loaded))?\ TASK_NULL: \ (thr_act)? \ (thr_act)->task: db_current_space()) #define db_is_current_space(task) \ ((task) == TASK_NULL || (task) == db_current_space()) extern task_t db_default_task; /* default target task */ extern thread_act_t db_default_act; /* default target thr_act */ /* Prototypes for functions exported by this module. */ int db_lookup_act(thread_act_t target_act); int db_lookup_task(task_t target_task); int db_lookup_task_act( task_t task, thread_act_t target_act); boolean_t db_check_act_address_valid(thread_act_t thr_act); boolean_t db_get_next_act( thread_act_t *actp, int position); void db_init_default_act(void); int db_set_default_act( struct db_variable *vp, db_expr_t *valuep, int flag, db_var_aux_param_t ap); int db_get_task_act( struct db_variable *vp, db_expr_t *valuep, int flag, db_var_aux_param_t ap); #endif /* !_DDB_DB_TASK_THREAD_H_ */