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Annotation of sys/ddb/db_break.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: db_break.h,v 1.8 2002/03/14 01:26:51 millert Exp $    */
                      2: /*     $NetBSD: db_break.h,v 1.8 1996/02/05 01:56:52 christos Exp $    */
                      3:
                      4: /*
                      5:  * Mach Operating System
                      6:  * Copyright (c) 1993,1992,1991,1990 Carnegie Mellon University
                      7:  * All Rights Reserved.
                      8:  *
                      9:  * Permission to use, copy, modify and distribute this software and its
                     10:  * documentation is hereby granted, provided that both the copyright
                     11:  * notice and this permission notice appear in all copies of the
                     12:  * software, derivative works or modified versions, and any portions
                     13:  * thereof, and that both notices appear in supporting documentation.
                     14:  *
                     15:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
                     16:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
                     17:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
                     18:  *
                     19:  * Carnegie Mellon requests users of this software to return to
                     20:  *
                     21:  *  Software Distribution Coordinator  or  Software.Distribution@CS.CMU.EDU
                     22:  *  School of Computer Science
                     23:  *  Carnegie Mellon University
                     24:  *  Pittsburgh PA 15213-3890
                     25:  *
                     26:  * any improvements or extensions that they make and grant Carnegie Mellon
                     27:  * the rights to redistribute these changes.
                     28:  *
                     29:  *     Author: David B. Golub, Carnegie Mellon University
                     30:  *     Date:   7/90
                     31:  */
                     32:
                     33: #ifndef        _DDB_DB_BREAK_H_
                     34: #define        _DDB_DB_BREAK_H_
                     35:
                     36: #include <uvm/uvm_extern.h>
                     37:
                     38: /*
                     39:  * Breakpoints.
                     40:  */
                     41: typedef struct db_breakpoint {
                     42:        struct vm_map *map;                     /* in this map */
                     43:        db_addr_t address;              /* set here */
                     44:        int     init_count;             /* number of times to skip bkpt */
                     45:        int     count;                  /* current count */
                     46:        int     flags;                  /* flags: */
                     47: #define        BKPT_SINGLE_STEP        0x2         /* to simulate single step */
                     48: #define        BKPT_TEMP               0x4         /* temporary */
                     49:        int     bkpt_inst;              /* saved instruction at bkpt */
                     50:        struct db_breakpoint *link;     /* link in in-use or free chain */
                     51: } *db_breakpoint_t;
                     52:
                     53: db_breakpoint_t db_breakpoint_alloc(void);
                     54: void db_breakpoint_free(db_breakpoint_t);
                     55: void db_set_breakpoint(struct vm_map *, db_addr_t, int);
                     56: void db_delete_breakpoint(struct vm_map *, db_addr_t);
                     57: db_breakpoint_t db_find_breakpoint(struct vm_map *, db_addr_t);
                     58: db_breakpoint_t db_find_breakpoint_here(db_addr_t);
                     59: void db_set_breakpoints(void);
                     60: void db_clear_breakpoints(void);
                     61: db_breakpoint_t db_set_temp_breakpoint(db_addr_t);
                     62: void db_delete_temp_breakpoint(db_breakpoint_t);
                     63: void db_list_breakpoints(void);
                     64: void db_delete_cmd(db_expr_t, int, db_expr_t, char *);
                     65: void db_breakpoint_cmd(db_expr_t, int, db_expr_t, char *);
                     66: void db_listbreak_cmd(db_expr_t, int, db_expr_t, char *);
                     67: boolean_t db_map_equal(struct vm_map *, struct vm_map *);
                     68: boolean_t db_map_current(struct vm_map *);
                     69: struct vm_map *db_map_addr(vaddr_t);
                     70:
                     71: #endif /* _DDB_DB_BREAK_H_ */