[apple/xnu.git] / osfmk / ddb / db_access.h

/*
 * 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.
 */
/*
 */
/*
 *	Author: David B. Golub, Carnegie Mellon University
 *	Date:	7/90
 */
/*
 * Data access functions for debugger.
 */

#ifndef	_DDB_DB_ACCESS_H_
#define	_DDB_DB_ACCESS_H_

#include <mach/boolean.h>
#include <machine/db_machdep.h>
#include <ddb/db_task_thread.h>

/* implementation dependent access capability */
#define	DB_ACCESS_KERNEL	0	/* only kernel space */
#define DB_ACCESS_CURRENT	1	/* kernel or current task space */
#define DB_ACCESS_ANY		2	/* any space */

#ifndef	DB_ACCESS_LEVEL
#define DB_ACCESS_LEVEL		DB_ACCESS_KERNEL
#endif	/* DB_ACCESS_LEVEL */

#ifndef DB_VALID_KERN_ADDR
#define DB_VALID_KERN_ADDR(addr)	((addr) >= VM_MIN_KERNEL_ADDRESS \
					  && (addr) < VM_MAX_KERNEL_ADDRESS)
#define DB_VALID_ADDRESS(addr,user)	((user != 0) ^ DB_VALID_KERN_ADDR(addr))
#define DB_PHYS_EQ(task1,addr1,task2,addr2)	0
#define DB_CHECK_ACCESS(addr,size,task)	db_is_current_space(task)
#endif	/* DB_VALID_KERN_ADDR */

extern int db_access_level;


/* Prototypes for functions exported by ddb/db_access.c.
 */
db_expr_t db_get_task_value(
	db_addr_t	addr,
	register int	size,
	boolean_t	is_signed,
	task_t		task);

void db_put_task_value(
	db_addr_t	addr,
	register int	size,
	register db_expr_t value,
	task_t		task);

db_expr_t db_get_value(
	db_addr_t	addr,
	int		size,
	boolean_t	is_signed);

void db_put_value(
	db_addr_t	addr,
	int		size,
	db_expr_t	value);

#endif	/* !_DDB_DB_ACCESS_H_ */
Commit	Line	Data
1c79356b A	1	/*
	2	* Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
	3	*
8f6c56a5	4	* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
1c79356b	5	*
8f6c56a5 A	6	* This file contains Original Code and/or Modifications of Original Code
	7	* as defined in and that are subject to the Apple Public Source License
	8	* Version 2.0 (the 'License'). You may not use this file except in
	9	* compliance with the License. The rights granted to you under the License
	10	* may not be used to create, or enable the creation or redistribution of,
	11	* unlawful or unlicensed copies of an Apple operating system, or to
	12	* circumvent, violate, or enable the circumvention or violation of, any
	13	* terms of an Apple operating system software license agreement.
	14	*
	15	* Please obtain a copy of the License at
	16	* http://www.opensource.apple.com/apsl/ and read it before using this file.
	17	*
	18	* The Original Code and all software distributed under the License are
	19	* distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
	20	* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
	21	* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
	22	* FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
	23	* Please see the License for the specific language governing rights and
8ad349bb	24	* limitations under the License.
8f6c56a5 A	25	*
8f6c56a5 A	26	* @APPLE_OSREFERENCE_LICENSE_HEADER_END@
1c79356b A	27	*/
	28	/*
	29	* @OSF_COPYRIGHT@
	30	*/
	31	/*
	32	* Mach Operating System
	33	* Copyright (c) 1991,1990 Carnegie Mellon University
	34	* All Rights Reserved.
	35	*
	36	* Permission to use, copy, modify and distribute this software and its
	37	* documentation is hereby granted, provided that both the copyright
	38	* notice and this permission notice appear in all copies of the
	39	* software, derivative works or modified versions, and any portions
	40	* thereof, and that both notices appear in supporting documentation.
	41	*
	42	* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
	43	* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
	44	* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
	45	*
	46	* Carnegie Mellon requests users of this software to return to
	47	*
	48	* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
	49	* School of Computer Science
	50	* Carnegie Mellon University
	51	* Pittsburgh PA 15213-3890
	52	*
	53	* any improvements or extensions that they make and grant Carnegie Mellon
	54	* the rights to redistribute these changes.
	55	*/
	56	/*
	57	*/
	58	/*
	59	* Author: David B. Golub, Carnegie Mellon University
	60	* Date: 7/90
	61	*/
	62	/*
	63	* Data access functions for debugger.
	64	*/
	65
	66	#ifndef _DDB_DB_ACCESS_H_
	67	#define _DDB_DB_ACCESS_H_
	68
	69	#include <mach/boolean.h>
	70	#include <machine/db_machdep.h>
	71	#include <ddb/db_task_thread.h>
	72
	73	/* implementation dependent access capability */
	74	#define DB_ACCESS_KERNEL 0 /* only kernel space */
	75	#define DB_ACCESS_CURRENT 1 /* kernel or current task space */
	76	#define DB_ACCESS_ANY 2 /* any space */
	77
	78	#ifndef DB_ACCESS_LEVEL
	79	#define DB_ACCESS_LEVEL DB_ACCESS_KERNEL
	80	#endif /* DB_ACCESS_LEVEL */
	81
	82	#ifndef DB_VALID_KERN_ADDR
	83	#define DB_VALID_KERN_ADDR(addr) ((addr) >= VM_MIN_KERNEL_ADDRESS \
	84	&& (addr) < VM_MAX_KERNEL_ADDRESS)
	85	#define DB_VALID_ADDRESS(addr,user) ((user != 0) ^ DB_VALID_KERN_ADDR(addr))
	86	#define DB_PHYS_EQ(task1,addr1,task2,addr2) 0
	87	#define DB_CHECK_ACCESS(addr,size,task) db_is_current_space(task)
	88	#endif /* DB_VALID_KERN_ADDR */
	89
	90	extern int db_access_level;
91
92
93
94	/* Prototypes for functions exported by ddb/db_access.c.
95	*/
96	db_expr_t db_get_task_value(
97	db_addr_t addr,
98	register int size,
99	boolean_t is_signed,
100	task_t task);
101
102	void db_put_task_value(
103	db_addr_t addr,
104	register int size,
105	register db_expr_t value,
106	task_t task);
107
108	db_expr_t db_get_value(
109	db_addr_t addr,
110	int size,
111	boolean_t is_signed);
112
113	void db_put_value(
114	db_addr_t addr,
115	int size,
116	db_expr_t value);
117
118	#endif /* !_DDB_DB_ACCESS_H_ */