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Annotation of Net2/ddb/db_print.c, revision 1.1.1.1

1.1       root        1: /* 
                      2:  * Mach Operating System
                      3:  * Copyright (c) 1991,1990 Carnegie Mellon University
                      4:  * All Rights Reserved.
                      5:  * 
                      6:  * Permission to use, copy, modify and distribute this software and its
                      7:  * documentation is hereby granted, provided that both the copyright
                      8:  * notice and this permission notice appear in all copies of the
                      9:  * software, derivative works or modified versions, and any portions
                     10:  * thereof, and that both notices appear in supporting documentation.
                     11:  * 
                     12:  * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS 
                     13:  * CONDITION.  CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
                     14:  * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
                     15:  * 
                     16:  * Carnegie Mellon requests users of this software to return to
                     17:  * 
                     18:  *  Software Distribution Coordinator  or  [email protected]
                     19:  *  School of Computer Science
                     20:  *  Carnegie Mellon University
                     21:  *  Pittsburgh PA 15213-3890
                     22:  * 
                     23:  * any improvements or extensions that they make and grant Carnegie the
                     24:  * rights to redistribute these changes.
                     25:  */
                     26: /*
                     27:  * HISTORY
                     28:  * $Log: db_print.c,v $
                     29:  * Revision 1.1  1992/03/25  21:45:22  pace
                     30:  * Initial revision
                     31:  *
                     32:  * Revision 2.5  91/02/05  17:06:53  mrt
                     33:  *     Changed to new Mach copyright
                     34:  *     [91/01/31  16:18:56  mrt]
                     35:  * 
                     36:  * Revision 2.4  90/10/25  14:43:54  rwd
                     37:  *     Changed db_show_regs to print unsigned.
                     38:  *     [90/10/19            rpd]
                     39:  *     Generalized the watchpoint support.
                     40:  *     [90/10/16            rwd]
                     41:  * 
                     42:  * Revision 2.3  90/09/09  23:19:52  rpd
                     43:  *     Avoid totally incorrect guesses of symbol names for small values.
                     44:  *     [90/08/30  17:39:08  af]
                     45:  * 
                     46:  * Revision 2.2  90/08/27  21:51:49  dbg
                     47:  *     Insist that 'show thread' be called with an explicit address.
                     48:  *     [90/08/22            dbg]
                     49:  * 
                     50:  *     Fix type for db_maxoff.
                     51:  *     [90/08/20            dbg]
                     52:  * 
                     53:  *     Do not dereference the "valuep" field of a variable directly,
                     54:  *     call the new db_read/write_variable functions instead.
                     55:  *     Reflected changes in symbol lookup functions.
                     56:  *     [90/08/20            af]
                     57:  *     Reduce lint.
                     58:  *     [90/08/10  14:33:44  dbg]
                     59:  * 
                     60:  *     Created.
                     61:  *     [90/07/25            dbg]
                     62:  * 
                     63:  */
                     64: /*
                     65:  *     Author: David B. Golub, Carnegie Mellon University
                     66:  *     Date:   7/90
                     67:  */
                     68: 
                     69: /*
                     70:  * Miscellaneous printing.
                     71:  */
                     72: #include "param.h"
                     73: #include "proc.h"
                     74: 
                     75: #include <machine/db_machdep.h>
                     76: 
                     77: #include <ddb/db_lex.h>
                     78: #include <ddb/db_variables.h>
                     79: #include <ddb/db_sym.h>
                     80: 
                     81: extern unsigned int    db_maxoff;
                     82: 
                     83: void
                     84: db_show_regs()
                     85: {
                     86:        int     (*func)();
                     87:        register struct db_variable *regp;
                     88:        db_expr_t       value, offset;
                     89:        char *          name;
                     90: 
                     91:        for (regp = db_regs; regp < db_eregs; regp++) {
                     92:            db_read_variable(regp, &value);
                     93:            db_printf("%-12s%#10n", regp->name, value);
                     94:            db_find_xtrn_sym_and_offset((db_addr_t)value, &name, &offset);
                     95:            if (name != 0 && offset <= db_maxoff && offset != value) {
                     96:                db_printf("\t%s", name);
                     97:                if (offset != 0)
                     98:                    db_printf("+%#r", offset);
                     99:            }
                    100:            db_printf("\n");
                    101:        }
                    102:        db_print_loc_and_inst(PC_REGS(DDB_REGS));
                    103: }
                    104: 

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