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Annotation of Net2/ddb/db_break.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 
        !            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 the
        !            24:  * rights to redistribute these changes.
        !            25:  */
        !            26: /*
        !            27:  * HISTORY
        !            28:  * $Log: db_break.h,v $
        !            29:  * Revision 1.1  1992/03/25  21:44:59  pace
        !            30:  * Initial revision
        !            31:  *
        !            32:  * Revision 2.4  91/02/05  17:06:06  mrt
        !            33:  *     Changed to new Mach copyright
        !            34:  *     [91/01/31  16:17:10  mrt]
        !            35:  * 
        !            36:  * Revision 2.3  90/10/25  14:43:40  rwd
        !            37:  *     Added map field to breakpoints.
        !            38:  *     [90/10/18            rpd]
        !            39:  * 
        !            40:  * Revision 2.2  90/08/27  21:50:00  dbg
        !            41:  *     Modularized typedef names.
        !            42:  *     [90/08/20            af]
        !            43:  *     Add external defintions.
        !            44:  *     [90/08/07            dbg]
        !            45:  *     Created.
        !            46:  *     [90/07/25            dbg]
        !            47:  * 
        !            48:  */
        !            49: /*
        !            50:  *     Author: David B. Golub, Carnegie Mellon University
        !            51:  *     Date:   7/90
        !            52:  */
        !            53: #ifndef        _DDB_DB_BREAK_H_
        !            54: #define        _DDB_DB_BREAK_H_
        !            55: 
        !            56: #include <vm/vm_map.h>
        !            57: #include <machine/db_machdep.h>
        !            58: 
        !            59: /*
        !            60:  * Breakpoint.
        !            61:  */
        !            62: 
        !            63: struct db_breakpoint {
        !            64:        vm_map_t map;                   /* in this map */
        !            65:        db_addr_t address;              /* set here */
        !            66:        int     init_count;             /* number of times to skip bkpt */
        !            67:        int     count;                  /* current count */
        !            68:        int     flags;                  /* flags: */
        !            69: #define        BKPT_SINGLE_STEP        0x2         /* to simulate single step */
        !            70: #define        BKPT_TEMP               0x4         /* temporary */
        !            71:        int     bkpt_inst;              /* saved instruction at bkpt */
        !            72:        struct db_breakpoint *link;     /* link in in-use or free chain */
        !            73: };
        !            74: typedef struct db_breakpoint *db_breakpoint_t;
        !            75: 
        !            76: extern db_breakpoint_t db_find_breakpoint();
        !            77: extern db_breakpoint_t db_find_breakpoint_here();
        !            78: extern void            db_set_breakpoints();
        !            79: extern void            db_clear_breakpoints();
        !            80: 
        !            81: extern db_breakpoint_t db_set_temp_breakpoint(/* db_addr_t addr */);
        !            82: extern void            db_delete_temp_breakpoint(/* db_breakpoint_t bkpt */);
        !            83: 
        !            84: #endif _DDB_DB_BREAK_H_

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