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64 lines
2.0 KiB
C
64 lines
2.0 KiB
C
/*-
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* SPDX-License-Identifier: MIT-CMU
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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
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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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/*
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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_DB_VARIABLES_H_
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#define _DDB_DB_VARIABLES_H_
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/*
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* Debugger variables.
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*/
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struct db_variable;
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typedef int db_varfcn_t(struct db_variable *vp, db_expr_t *valuep, int op);
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struct db_variable {
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char *name; /* Name of variable */
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db_expr_t *valuep; /* value of variable */
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/* function to call when reading/writing */
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db_varfcn_t *fcn;
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#define DB_VAR_GET 0
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#define DB_VAR_SET 1
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};
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#define FCN_NULL ((db_varfcn_t *)0)
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extern struct db_variable db_regs[]; /* machine registers */
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extern struct db_variable *db_eregs;
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extern db_varfcn_t db_var_curcpu; /* DPCPU default CPU */
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extern db_varfcn_t db_var_curvnet; /* Default vnet */
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extern db_varfcn_t db_var_db_cpu; /* DPCPU active CPU */
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extern db_varfcn_t db_var_db_vnet; /* Active vnet */
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int db_read_variable(struct db_variable *, db_expr_t *);
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int db_write_variable(struct db_variable *, db_expr_t);
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#endif /* _!DDB_DB_VARIABLES_H_ */
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