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