2005-01-06 01:34:41 +00:00
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/*-
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1993-06-12 14:58:17 +00:00
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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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1995-05-30 08:16:23 +00:00
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*
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1993-06-12 14:58:17 +00:00
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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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1995-05-30 08:16:23 +00:00
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*
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* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS
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1993-06-12 14:58:17 +00:00
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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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1995-05-30 08:16:23 +00:00
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*
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1993-06-12 14:58:17 +00:00
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* Carnegie Mellon requests users of this software to return to
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1995-05-30 08:16:23 +00:00
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*
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1993-06-12 14:58:17 +00:00
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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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1995-05-30 08:16:23 +00:00
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*
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1993-06-12 14:58:17 +00:00
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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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1999-08-28 01:08:13 +00:00
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* $FreeBSD$
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1993-06-12 14:58:17 +00:00
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*/
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1993-10-16 16:47:35 +00:00
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1993-11-07 17:39:25 +00:00
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#ifndef _DDB_DB_COMMAND_H_
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1995-11-24 13:53:05 +00:00
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#define _DDB_DB_COMMAND_H_
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1993-11-07 17:39:25 +00:00
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1993-06-12 14:58:17 +00:00
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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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/*
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* Command loop declarations.
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*/
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2002-03-20 05:14:42 +00:00
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void db_command_loop(void);
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Add a simple scripting facility to DDB(4), allowing the user to
define a set of named scripts. Each script consists of a list of DDB
commands separated by ";"s that will be executed verbatim. No higher
level language constructs, such as branching, are provided for:
scripts are executed by sequentially injecting commands into the DDB
input buffer.
Four new commands are present in DDB: "run" to run a specific script,
"script" to define or print a script, "scripts" to list currently
defined scripts, and "unscript" to delete a script, modeled on shell
alias commands. Scripts may also be manipulated using sysctls in the
debug.ddb.scripting MIB space, although users will prefer to use the
soon-to-be-added ddb(8) tool for usability reasons.
Scripts with certain names are automatically executed on various DDB
events, such as entering the debugger via a panic, a witness error,
watchdog, breakpoint, sysctl, serial break, etc, allowing customized
handling.
MFC after: 3 months
2007-12-26 09:33:19 +00:00
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void db_command_script(const char *command);
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1993-06-12 14:58:17 +00:00
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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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1995-11-24 13:53:05 +00:00
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#endif /* !_DDB_DB_COMMAND_H_ */
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