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Annotation of Net2/ddb/db_break.h, revision 1.1.1.1

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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