/* * Copyright (c) 2000 Apple Computer, Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ * * This file contains Original Code and/or Modifications of Original Code * as defined in and that are subject to the Apple Public Source License * Version 2.0 (the 'License'). You may not use this file except in * compliance with the License. The rights granted to you under the License * may not be used to create, or enable the creation or redistribution of, * unlawful or unlicensed copies of an Apple operating system, or to * circumvent, violate, or enable the circumvention or violation of, any * terms of an Apple operating system software license agreement. * * Please obtain a copy of the License at * http://www.opensource.apple.com/apsl/ and read it before using this file. * * The 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. * Please see the License for the specific language governing rights and * limitations under the License. * * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ */ /* * @OSF_COPYRIGHT@ */ /* * 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_thread())? current_thread()->task: TASK_NULL) #define db_current_space() \ ((current_thread())?\ current_thread()->task: TASK_NULL) #define db_target_space(thr_act, user_space) \ ((!(user_space) || ((thr_act)))?\ 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_t db_default_act; /* default target thr_act */ /* Prototypes for functions exported by this module. */ int db_lookup_act(thread_t target_act); int db_lookup_task(task_t target_task); int db_lookup_task_act( task_t task, thread_t target_act); boolean_t db_check_act_address_valid(thread_t thr_act); boolean_t db_get_next_act( thread_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_ */