db_command.h revision 1.29
1 /* $NetBSD: db_command.h,v 1.29 2007/09/23 23:55:54 martin Exp $ */ 2 3 /*- 4 * Copyright (c) 1996, 1997, 1998, 1999, 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Adam Hamsik. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Mach Operating System 41 * Copyright (c) 1991,1990 Carnegie Mellon University 42 * All Rights Reserved. 43 * 44 * Permission to use, copy, modify and distribute this software and its 45 * documentation is hereby granted, provided that both the copyright 46 * notice and this permission notice appear in all copies of the 47 * software, derivative works or modified versions, and any portions 48 * thereof, and that both notices appear in supporting documentation. 49 * 50 * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" 51 * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR 52 * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. 53 * 54 * Carnegie Mellon requests users of this software to return to 55 * 56 * Software Distribution Coordinator or Software.Distribution (at) CS.CMU.EDU 57 * School of Computer Science 58 * Carnegie Mellon University 59 * Pittsburgh PA 15213-3890 60 * 61 * any improvements or extensions that they make and grant Carnegie the 62 * rights to redistribute these changes. 63 * 64 * Author: David B. Golub, Carnegie Mellon University 65 * Date: 7/90 66 */ 67 68 #ifndef _DDB_COMMAND_ 69 #define _DDB_COMMAND_ 70 71 void db_skip_to_eol(void); 72 void db_init_commands(void); 73 void db_command_loop(void); 74 void db_error(const char *) __attribute__((__noreturn__)); 75 76 extern db_addr_t db_dot; /* current location */ 77 extern db_addr_t db_last_addr; /* last explicit address typed */ 78 extern db_addr_t db_prev; /* last address examined 79 or written */ 80 extern db_addr_t db_next; /* next address to be examined 81 or written */ 82 83 extern char db_cmd_on_enter[]; 84 85 struct db_command; 86 87 88 89 /* 90 * Macro include help when DDB_VERBOSE_HELP option(9) is used 91 */ 92 #ifdef DDB_VERBOSE_HELP 93 #define DDB_ADD_CMD(name,funct,type,cmd_descr,cmd_arg,arg_desc)\ 94 name,funct,type,cmd_descr,cmd_arg,arg_desc 95 #else 96 #define DDB_ADD_CMD(name,funct,type,cmd_descr,cmd_arg,arg_desc)\ 97 name,funct,type 98 #endif 99 100 101 102 /* 103 * we have two types of lists one for base commands like reboot 104 * and another list for show subcommands. 105 */ 106 107 #define DDB_BASE_CMD 0 108 #define DDB_SHOW_CMD 1 109 #define DDB_MACH_CMD 2 110 111 112 int db_register_tbl(uint8_t, const struct db_command *); 113 int db_unregister_tbl(uint8_t, const struct db_command *); 114 115 /* 116 * Command table 117 */ 118 struct db_command { 119 const char *name; /* command name */ 120 121 /* function to call */ 122 void (*fcn)(db_expr_t, bool, db_expr_t, const char *); 123 /* 124 *Flag is used for modifing command behaviour. 125 *CS_OWN && CS_MORE are specify type of command arguments. 126 *CS_OWN commandmanage arguments in own way. 127 *CS_MORE db_command() prepare argument list. 128 * 129 *CS_COMPAT is set for all level 2 commands with level 3 childs (show all pages) 130 * 131 *CS_SHOW identify show command in BASE command list 132 *CS_MACH identify mach command in BASE command list 133 * 134 *CS_SET_DOT specify if this command is put to last added command memory. 135 *CS_NOREPEAT this command does not repeat 136 */ 137 uint16_t flag; /* extra info: */ 138 #define CS_OWN 0x1 /* non-standard syntax */ 139 #define CS_MORE 0x2 /* standard syntax, but may have other 140 words at end */ 141 #define CS_COMPAT 0x4 /*is set for compatibilty with old ddb versions*/ 142 143 #define CS_SHOW 0x8 /*select show list*/ 144 #define CS_MACH 0x16 /*select machine dependent list*/ 145 146 #define CS_SET_DOT 0x100 /* set dot after command */ 147 #define CS_NOREPEAT 0x200 /* don't set last_command */ 148 #ifdef DDB_VERBOSE_HELP 149 const char *cmd_descr; /*description of command*/ 150 const char *cmd_arg; /*command arguments*/ 151 const char *cmd_arg_help; /* arguments description */ 152 #endif 153 }; 154 155 #endif /*_DDB_COMMAND_*/ 156 157
Indexes created Tue Sep 30 20:09:53 GMT 2025