149 lines
5.0 KiB
C
149 lines
5.0 KiB
C
/* $NetBSD: db_command.h,v 1.33 2008/04/28 20:23:46 martin Exp $ */
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/*-
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* Copyright (c) 1996, 1997, 1998, 1999, 2002 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Adam Hamsik.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* Mach Operating System
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* Copyright (c) 1991,1990 Carnegie Mellon University
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* All Rights Reserved.
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*
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* Permission to use, copy, modify and distribute this software and its
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* documentation is hereby granted, provided that both the copyright
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* notice and this permission notice appear in all copies of the
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* software, derivative works or modified versions, and any portions
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* thereof, and that both notices appear in supporting documentation.
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
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* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
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* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
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*
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* Carnegie Mellon requests users of this software to return to
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*
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* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
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* School of Computer Science
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* Carnegie Mellon University
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* Pittsburgh PA 15213-3890
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*
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* any improvements or extensions that they make and grant Carnegie the
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* rights to redistribute these changes.
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*
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* Author: David B. Golub, Carnegie Mellon University
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* Date: 7/90
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*/
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#ifndef _DDB_COMMAND_
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#define _DDB_COMMAND_
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void db_skip_to_eol(void);
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void db_command_loop(void);
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void db_error(const char *) __dead;
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extern db_addr_t db_dot; /* current location */
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extern db_addr_t db_last_addr; /* last explicit address typed */
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extern db_addr_t db_prev; /* last address examined
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or written */
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extern db_addr_t db_next; /* next address to be examined
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or written */
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extern char db_cmd_on_enter[];
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struct db_command;
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/*
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* Macro include help when DDB_VERBOSE_HELP option(9) is used
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*/
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#ifdef DDB_VERBOSE_HELP
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#define DDB_ADD_CMD(name,funct,type,cmd_descr,cmd_arg,arg_desc)\
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name,funct,type,cmd_descr,cmd_arg,arg_desc
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#else
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#define DDB_ADD_CMD(name,funct,type,cmd_descr,cmd_arg,arg_desc)\
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name,funct,type
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#endif
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/*
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* we have two types of lists one for base commands like reboot
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* and another list for show subcommands.
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*/
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#define DDB_BASE_CMD 0
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#define DDB_SHOW_CMD 1
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#define DDB_MACH_CMD 2
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int db_register_tbl(uint8_t, const struct db_command *);
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int db_unregister_tbl(uint8_t, const struct db_command *);
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/*
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* Command table
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*/
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struct db_command {
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const char *name; /* command name */
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/* function to call */
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void (*fcn)(db_expr_t, bool, db_expr_t, const char *);
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/*
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*Flag is used for modifing command behaviour.
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*CS_OWN && CS_MORE are specify type of command arguments.
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*CS_OWN commandmanage arguments in own way.
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*CS_MORE db_command() prepare argument list.
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*
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*CS_COMPAT is set for all level 2 commands with level 3 childs (show all pages)
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*
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*CS_SHOW identify show command in BASE command list
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*CS_MACH identify mach command in BASE command list
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*
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*CS_SET_DOT specify if this command is put to last added command memory.
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*CS_NOREPEAT this command does not repeat
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*/
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uint16_t flag; /* extra info: */
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#define CS_OWN 0x1 /* non-standard syntax */
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#define CS_MORE 0x2 /* standard syntax, but may have other
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words at end */
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#define CS_COMPAT 0x4 /*is set for compatibilty with old ddb versions*/
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#define CS_SHOW 0x8 /*select show list*/
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#define CS_MACH 0x10 /*select machine dependent list*/
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#define CS_SET_DOT 0x100 /* set dot after command */
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#define CS_NOREPEAT 0x200 /* don't set last_command */
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#ifdef DDB_VERBOSE_HELP
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const char *cmd_descr; /*description of command*/
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const char *cmd_arg; /*command arguments*/
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const char *cmd_arg_help; /* arguments description */
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#endif
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};
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#endif /*_DDB_COMMAND_*/
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