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Annotation of sys/ddb/db_break.h, Revision 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_ */