Deleted Added
sdiff udiff text old ( 623 ) new ( 798 )
full compact
db_examine.c (623) db_examine.c (798)
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 unchanged lines hidden (view full) ---

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 *
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 unchanged lines hidden (view full) ---

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 * $Id$
26 * $Id: db_examine.c,v 1.2 1993/10/16 16:47:13 rgrimes Exp $
27 */
28
29/*
30 * Author: David B. Golub, Carnegie Mellon University
31 * Date: 7/90
32 */
33#include "param.h"
27 */
28
29/*
30 * Author: David B. Golub, Carnegie Mellon University
31 * Date: 7/90
32 */
33#include "param.h"
34#include "systm.h"
34#include "proc.h"
35#include "proc.h"
35#include <machine/db_machdep.h> /* type definitions */
36
36
37#include "ddb/ddb.h"
38
37#include <ddb/db_lex.h>
38#include <ddb/db_output.h>
39#include <ddb/db_command.h>
40#include <ddb/db_sym.h>
41
42char db_examine_format[TOK_STRING_SIZE] = "x";
43
44extern db_addr_t db_disasm(/* db_addr_t, boolean_t */);
45 /* instruction disassembler */
46
39#include <ddb/db_lex.h>
40#include <ddb/db_output.h>
41#include <ddb/db_command.h>
42#include <ddb/db_sym.h>
43
44char db_examine_format[TOK_STRING_SIZE] = "x";
45
46extern db_addr_t db_disasm(/* db_addr_t, boolean_t */);
47 /* instruction disassembler */
48
49static void db_examine(db_addr_t, char *, int);
50static void db_search(db_addr_t, int, db_expr_t, db_expr_t, u_int);
51
47/*
48 * Examine (print) data.
49 */
50/*ARGSUSED*/
51void
52db_examine_cmd(addr, have_addr, count, modif)
53 db_expr_t addr;
54 int have_addr;

--- 4 unchanged lines hidden (view full) ---

59 db_strcpy(db_examine_format, modif);
60
61 if (count == -1)
62 count = 1;
63
64 db_examine((db_addr_t) addr, db_examine_format, count);
65}
66
52/*
53 * Examine (print) data.
54 */
55/*ARGSUSED*/
56void
57db_examine_cmd(addr, have_addr, count, modif)
58 db_expr_t addr;
59 int have_addr;

--- 4 unchanged lines hidden (view full) ---

64 db_strcpy(db_examine_format, modif);
65
66 if (count == -1)
67 count = 1;
68
69 db_examine((db_addr_t) addr, db_examine_format, count);
70}
71
72static void
67db_examine(addr, fmt, count)
68 register
69 db_addr_t addr;
70 char * fmt; /* format string */
71 int count; /* repeat count */
72{
73 int c;
74 db_expr_t value;

--- 157 unchanged lines hidden (view full) ---

232 db_printf("%c", value);
233 else
234 db_printf("\\%03o", value);
235 break;
236 }
237 db_printf("\n");
238}
239
73db_examine(addr, fmt, count)
74 register
75 db_addr_t addr;
76 char * fmt; /* format string */
77 int count; /* repeat count */
78{
79 int c;
80 db_expr_t value;

--- 157 unchanged lines hidden (view full) ---

238 db_printf("%c", value);
239 else
240 db_printf("\\%03o", value);
241 break;
242 }
243 db_printf("\n");
244}
245
246void
240db_print_loc_and_inst(loc)
241 db_addr_t loc;
242{
243 db_printsym(loc, DB_STGY_PROC);
244 db_printf(":\t");
245 (void) db_disasm(loc, TRUE);
246}
247
247db_print_loc_and_inst(loc)
248 db_addr_t loc;
249{
250 db_printsym(loc, DB_STGY_PROC);
251 db_printf(":\t");
252 (void) db_disasm(loc, TRUE);
253}
254
248db_strcpy(dst, src)
249 register char *dst;
250 register char *src;
251{
252 while (*dst++ = *src++)
253 ;
254}
255
256/*
257 * Search for a value in memory.
258 * Syntax: search [/bhl] addr value [mask] [,count]
259 */
260void
255/*
256 * Search for a value in memory.
257 * Syntax: search [/bhl] addr value [mask] [,count]
258 */
259void
261db_search_cmd()
260db_search_cmd(db_expr_t dummy1, int dummy2, db_expr_t dummy3, char *dummy4)
262{
263 int t;
264 db_addr_t addr;
265 int size;
266 db_expr_t value;
267 db_expr_t mask;
268 unsigned int count;
269

--- 15 unchanged lines hidden (view full) ---

285 size = 4;
286 else
287 goto bad_modifier;
288 } else {
289 db_unread_token(t);
290 size = 4;
291 }
292
261{
262 int t;
263 db_addr_t addr;
264 int size;
265 db_expr_t value;
266 db_expr_t mask;
267 unsigned int count;
268

--- 15 unchanged lines hidden (view full) ---

284 size = 4;
285 else
286 goto bad_modifier;
287 } else {
288 db_unread_token(t);
289 size = 4;
290 }
291
293 if (!db_expression(&addr)) {
292 if (!db_expression((db_expr_t *)&addr)) {
294 db_printf("Address missing\n");
295 db_flush_lex();
296 return;
297 }
298
299 if (!db_expression(&value)) {
300 db_printf("Value missing\n");
301 db_flush_lex();

--- 14 unchanged lines hidden (view full) ---

316 db_unread_token(t);
317 count = -1; /* effectively forever */
318 }
319 db_skip_to_eol();
320
321 db_search(addr, size, value, mask, count);
322}
323
293 db_printf("Address missing\n");
294 db_flush_lex();
295 return;
296 }
297
298 if (!db_expression(&value)) {
299 db_printf("Value missing\n");
300 db_flush_lex();

--- 14 unchanged lines hidden (view full) ---

315 db_unread_token(t);
316 count = -1; /* effectively forever */
317 }
318 db_skip_to_eol();
319
320 db_search(addr, size, value, mask, count);
321}
322
323static void
324db_search(addr, size, value, mask, count)
325 register
326 db_addr_t addr;
327 int size;
328 db_expr_t value;
329 db_expr_t mask;
330 unsigned int count;
331{
332 while (count-- != 0) {
333 db_prev = addr;
334 if ((db_get_value(addr, size, FALSE) & mask) == value)
335 break;
336 addr += size;
337 }
338 db_next = addr;
339}
324db_search(addr, size, value, mask, count)
325 register
326 db_addr_t addr;
327 int size;
328 db_expr_t value;
329 db_expr_t mask;
330 unsigned int count;
331{
332 while (count-- != 0) {
333 db_prev = addr;
334 if ((db_get_value(addr, size, FALSE) & mask) == value)
335 break;
336 addr += size;
337 }
338 db_next = addr;
339}