db_command.h

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    1 /* 
    2  * Mach Operating System
    3  * Copyright (c) 1993,1992,1991,1990 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  Software.Distribution@CS.CMU.EDU
   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  * HISTORY
   28  * $Log:        db_command.h,v $
   29  * Revision 2.8  93/11/17  16:21:09  dbg
   30  *      Enabled prototypes.
   31  *      [93/10/06            dbg]
   32  * 
   33  * Revision 2.7  93/01/14  17:24:49  danner
   34  *      Added db_recover.
   35  *      [92/10/26            dbg]
   36  * 
   37  * Revision 2.6  91/10/09  15:58:45  af
   38  *      Added db_exec_conditional_cmd(), and db_option().
   39  *      Deleted db_skip_to_eol().
   40  *      [91/08/29            tak]
   41  * 
   42  * Revision 2.5  91/07/09  23:15:46  danner
   43  *      Grabbed up to date copyright.
   44  *      [91/07/08            danner]
   45  * 
   46  * Revision 2.2  91/04/10  16:02:32  mbj
   47  *      Grabbed 3.0 copyright/disclaimer since ddb comes from 3.0.
   48  *      [91/04/09            rvb]
   49  * 
   50  * Revision 2.3  91/02/05  17:06:15  mrt
   51  *      Changed to new Mach copyright
   52  *      [91/01/31  16:17:28  mrt]
   53  * 
   54  * Revision 2.2  90/08/27  21:50:19  dbg
   55  *      Replace db_last_address_examined with db_prev, db_next.
   56  *      [90/08/22            dbg]
   57  *      Created.
   58  *      [90/08/07            dbg]
   59  * 
   60  */
   61 /*
   62  *      Author: David B. Golub, Carnegie Mellon University
   63  *      Date:   7/90
   64  */
   65 /*
   66  * Command loop declarations.
   67  */
   68 
   69 #include <machine/db_machdep.h>
   70 #include <machine/setjmp.h>
   71 
   72 extern void             db_command_loop(void);
   73 extern boolean_t        db_exec_cmd_nest(char *cmd, int size);
   74 extern boolean_t        db_option(char *modif, int option);
   75 extern int              db_size_option(char *modif,
   76                                         boolean_t *u_option,
   77                                         boolean_t *t_option);
   78 
   79 extern boolean_t        db_expression(db_expr_t *valuep);
   80 
   81 extern
   82 #ifdef __GNUC__
   83 __volatile__
   84 #endif
   85         void            db_error(char *message); /* report error */
   86 
   87 extern db_addr_t        db_dot;         /* current location */
   88 extern db_addr_t        db_last_addr;   /* last explicit address typed */
   89 extern db_addr_t        db_prev;        /* last address examined
   90                                            or written */
   91 extern db_addr_t        db_next;        /* next address to be examined
   92                                            or written */
   93 extern jmp_buf_t *      db_recover;     /* error recovery */
   94 
   95 /*
   96  * Command table
   97  */
   98 struct db_command {
   99         char *  name;           /* command name */
  100         void    (*fcn)(         /* function to call */
  101                 /*  db_expr_t   addr,
  102                     boolean_t   have_addr,
  103                     db_expr_t   count,
  104                     char        *modif */ );
  105         int     flag;           /* extra info: */
  106 #define CS_OWN          0x1         /* non-standard syntax */
  107 #define CS_MORE         0x2         /* standard syntax, but may have other
  108                                        words at end */
  109 #define CS_SET_DOT      0x100       /* set dot after command */
  110         struct db_command *more;   /* another level of command */
  111 };

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FreeBSD/Linux Kernel Cross Reference sys/ddb/db_command.h

FreeBSD/Linux Kernel Cross Reference
sys/ddb/db_command.h