62 lines
2.0 KiB
C
62 lines
2.0 KiB
C
/* $NetBSD: db_command.h,v 1.22 2002/02/15 07:33:50 simonb Exp $ */
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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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/*
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* Command loop declarations.
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*/
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struct db_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(char *);
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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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/*
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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, int, db_expr_t, char *);
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int 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_SET_DOT 0x100 /* set dot after command */
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const struct db_command *more; /* another level of command */
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};
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