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Annotation of XNU/osfmk/ddb/db_access.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * The contents of this file constitute Original Code as defined in and
                      7:  * are subject to the Apple Public Source License Version 1.1 (the
                      8:  * "License").  You may not use this file except in compliance with the
                      9:  * License.  Please obtain a copy of the License at
                     10:  * http://www.apple.com/publicsource and read it before using this file.
                     11:  * 
                     12:  * This Original Code and all software distributed under the License are
                     13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     17:  * License for the specific language governing rights and limitations
                     18:  * under the License.
                     19:  * 
                     20:  * @APPLE_LICENSE_HEADER_END@
                     21:  */
                     22: /*
                     23:  * @OSF_COPYRIGHT@
                     24:  */
                     25: /* 
                     26:  * Mach Operating System
                     27:  * Copyright (c) 1991,1990 Carnegie Mellon University
                     28:  * All Rights Reserved.
                     29:  * 
                     30:  * Permission to use, copy, modify and distribute this software and its
                     31:  * documentation is hereby granted, provided that both the copyright
                     32:  * notice and this permission notice appear in all copies of the
                     33:  * software, derivative works or modified versions, and any portions
                     34:  * thereof, and that both notices appear in supporting documentation.
                     35:  * 
                     36:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
                     37:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
                     38:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
                     39:  * 
                     40:  * Carnegie Mellon requests users of this software to return to
                     41:  * 
                     42:  *  Software Distribution Coordinator  or  [email protected]
                     43:  *  School of Computer Science
                     44:  *  Carnegie Mellon University
                     45:  *  Pittsburgh PA 15213-3890
                     46:  * 
                     47:  * any improvements or extensions that they make and grant Carnegie Mellon
                     48:  * the rights to redistribute these changes.
                     49:  */
                     50: /*
                     51:  */
                     52: /*
                     53:  *     Author: David B. Golub, Carnegie Mellon University
                     54:  *     Date:   7/90
                     55:  */
                     56: /*
                     57:  * Data access functions for debugger.
                     58:  */
                     59: 
                     60: #ifndef        _DDB_DB_ACCESS_H_
                     61: #define        _DDB_DB_ACCESS_H_
                     62: 
                     63: #include <mach/boolean.h>
                     64: #include <machine/db_machdep.h>
                     65: #include <ddb/db_task_thread.h>
                     66: 
                     67: /* implementation dependent access capability */
                     68: #define        DB_ACCESS_KERNEL        0       /* only kernel space */
                     69: #define DB_ACCESS_CURRENT      1       /* kernel or current task space */
                     70: #define DB_ACCESS_ANY          2       /* any space */
                     71: 
                     72: #ifndef        DB_ACCESS_LEVEL
                     73: #define DB_ACCESS_LEVEL                DB_ACCESS_KERNEL
                     74: #endif /* DB_ACCESS_LEVEL */
                     75: 
                     76: #ifndef DB_VALID_KERN_ADDR
                     77: #define DB_VALID_KERN_ADDR(addr)       ((addr) >= VM_MIN_KERNEL_ADDRESS \
                     78:                                          && (addr) < VM_MAX_KERNEL_ADDRESS)
                     79: #define DB_VALID_ADDRESS(addr,user)    ((user != 0) ^ DB_VALID_KERN_ADDR(addr))
                     80: #define DB_PHYS_EQ(task1,addr1,task2,addr2)    0
                     81: #define DB_CHECK_ACCESS(addr,size,task)        db_is_current_space(task)
                     82: #endif /* DB_VALID_KERN_ADDR */
                     83: 
                     84: extern int db_access_level;
                     85: 
                     86: 
                     87: 
                     88: /* Prototypes for functions exported by ddb/db_access.c.
                     89:  */
                     90: db_expr_t db_get_task_value(
                     91:        db_addr_t       addr,
                     92:        register int    size,
                     93:        boolean_t       is_signed,
                     94:        task_t          task);
                     95: 
                     96: void db_put_task_value(
                     97:        db_addr_t       addr,
                     98:        register int    size,
                     99:        register db_expr_t value,
                    100:        task_t          task);
                    101: 
                    102: db_expr_t db_get_value(
                    103:        db_addr_t       addr,
                    104:        int             size,
                    105:        boolean_t       is_signed);
                    106: 
                    107: void db_put_value(
                    108:        db_addr_t       addr,
                    109:        int             size,
                    110:        db_expr_t       value);
                    111: 
                    112: #endif /* !_DDB_DB_ACCESS_H_ */

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