Collapse gd_astpending and gd_reqpri together into gd_reqflags. gd_reqflags
[dragonfly.git] / sys / ddb / db_write_cmd.c
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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 Software.Distribution@CS.CMU.EDU
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 * $FreeBSD: src/sys/ddb/db_write_cmd.c,v 1.13 1999/08/28 00:41:12 peter Exp $
1de703da 27 * $DragonFly: src/sys/ddb/db_write_cmd.c,v 1.2 2003/06/17 04:28:20 dillon Exp $
984263bc
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28 */
29
30/*
31 * Author: David B. Golub, Carnegie Mellon University
32 * Date: 7/90
33 */
34
35#include <sys/param.h>
36
37#include <ddb/ddb.h>
38#include <ddb/db_access.h>
39#include <ddb/db_command.h>
40#include <ddb/db_sym.h>
41
42/*
43 * Write to file.
44 */
45/*ARGSUSED*/
46void
47db_write_cmd(address, have_addr, count, modif)
48 db_expr_t address;
49 boolean_t have_addr;
50 db_expr_t count;
51 char * modif;
52{
53 register
54 db_addr_t addr;
55 register
56 db_expr_t old_value;
57 db_expr_t new_value;
58 register int size;
59 boolean_t wrote_one = FALSE;
60
61 addr = (db_addr_t) address;
62
63 switch (modif[0]) {
64 case 'b':
65 size = 1;
66 break;
67 case 'h':
68 size = 2;
69 break;
70 case 'l':
71 case '\0':
72 size = 4;
73 break;
74 default:
75 db_error("Unknown size\n");
76 return;
77 }
78
79 while (db_expression(&new_value)) {
80 old_value = db_get_value(addr, size, FALSE);
81 db_printsym(addr, DB_STGY_ANY);
82 db_printf("\t\t%#8lr\t=\t%#8lr\n", (long)old_value,(long)new_value);
83 db_put_value(addr, size, new_value);
84 addr += size;
85
86 wrote_one = TRUE;
87 }
88
89 if (!wrote_one)
90 db_error("Nothing written.\n");
91
92 db_next = addr;
93 db_prev = addr - size;
94
95 db_skip_to_eol();
96}
97