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Annotation of Gnu-Mach/ddb/db_access.h, revision 1.1

1.1     ! root        1: /* 
        !             2:  * Mach Operating System
        !             3:  * Copyright (c) 1991,1990 Carnegie Mellon University
        !             4:  * All Rights Reserved.
        !             5:  * 
        !             6:  * Permission to use, copy, modify and distribute this software and its
        !             7:  * documentation is hereby granted, provided that both the copyright
        !             8:  * notice and this permission notice appear in all copies of the
        !             9:  * software, derivative works or modified versions, and any portions
        !            10:  * thereof, and that both notices appear in supporting documentation.
        !            11:  * 
        !            12:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
        !            13:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
        !            14:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
        !            15:  * 
        !            16:  * Carnegie Mellon requests users of this software to return to
        !            17:  * 
        !            18:  *  Software Distribution Coordinator  or  [email protected]
        !            19:  *  School of Computer Science
        !            20:  *  Carnegie Mellon University
        !            21:  *  Pittsburgh PA 15213-3890
        !            22:  * 
        !            23:  * any improvements or extensions that they make and grant Carnegie Mellon
        !            24:  * the rights to redistribute these changes.
        !            25:  */
        !            26: /*
        !            27:  *     Author: David B. Golub, Carnegie Mellon University
        !            28:  *     Date:   7/90
        !            29:  */
        !            30: /*
        !            31:  * Data access functions for debugger.
        !            32:  */
        !            33: #include <mach/boolean.h>
        !            34: #include <machine/db_machdep.h>
        !            35: #include <ddb/db_task_thread.h>
        !            36: #include "vm_param.h"
        !            37: 
        !            38: /* implementation dependent access capability */
        !            39: #define        DB_ACCESS_KERNEL        0       /* only kernel space */
        !            40: #define DB_ACCESS_CURRENT      1       /* kernel or current task space */
        !            41: #define DB_ACCESS_ANY          2       /* any space */
        !            42: 
        !            43: #ifndef        DB_ACCESS_LEVEL
        !            44: #define DB_ACCESS_LEVEL                DB_ACCESS_KERNEL
        !            45: #endif DB_ACCESS_LEVEL
        !            46: 
        !            47: #ifndef DB_VALID_KERN_ADDR
        !            48: #define DB_VALID_KERN_ADDR(addr)       ((addr) >= VM_MIN_KERNEL_ADDRESS \
        !            49:                                          && (addr) < VM_MAX_KERNEL_ADDRESS)
        !            50: #define DB_VALID_ADDRESS(addr,user)    ((user != 0) ^ DB_VALID_KERN_ADDR(addr))
        !            51: #define DB_PHYS_EQ(task1,addr1,task2,addr2)    0
        !            52: #define DB_CHECK_ACCESS(addr,size,task)        db_is_current_task(task)
        !            53: #endif DB_VALID_KERN_ADDR
        !            54: 
        !            55: extern int db_access_level;
        !            56: 
        !            57: extern db_expr_t db_get_value( db_addr_t addr,
        !            58:                                int size,
        !            59:                                boolean_t is_signed );
        !            60: 
        !            61: extern void     db_put_value(  db_addr_t addr,
        !            62:                                int size,
        !            63:                                db_expr_t value );
        !            64: 
        !            65: extern db_expr_t db_get_task_value(    db_addr_t addr,
        !            66:                                        int size,
        !            67:                                        boolean_t is_signed,
        !            68:                                        task_t task );
        !            69: 
        !            70: extern void     db_put_task_value(     db_addr_t addr,
        !            71:                                        int size,
        !            72:                                        db_expr_t value,
        !            73:                                        task_t task );

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