FreeCalypso > hg > freecalypso-tools

annotate target-utils/libcommon/cmd_memdump_human.c @ 926:6a0aa8d36d06

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rvinterf backslash escape: introduce libprint The new helper function library named libprint is meant to replace the badly misnamed libg23, and will soon contain functions for printing all of the same kinds of GPF TST packets that are now handled in libg23. However, we are also moving safe_print_trace() from libasync to this new library, and changing it to emit our new backslash escape format.
author Mychaela Falconia <falcon@freecalypso.org>
date Tue, 23 May 2023 03:47:46 +0000
parents 9214118ae941
children
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1 /*
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2 * This is a human-oriented memory dump command. The dump is given in
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3 * both hex and ASCII, with readable spacing.
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4 */
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5
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6 #include <sys/types.h>
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7 #include "types.h"
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8
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9 void
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10 cmd_memdump_human(argbulk)
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11 char *argbulk;
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12 {
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13 char *argv[3];
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14 u_long start, length;
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15 u_long offset;
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16 u_char intbuf[16];
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17 int i, c;
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18
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19 if (parse_args(argbulk, 2, 2, argv, 0) < 0)
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20 return;
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21 if (parse_hexarg(argv[0], 8, &start) < 0) {
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22 printf("ERROR: arg1 must be a valid 32-bit hex address\n");
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23 return;
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24 }
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25 if (parse_hexarg(argv[1], 8, &length) < 0) {
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26 printf("ERROR: arg2 must be a valid 32-bit hex value (length)\n");
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27 return;
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28 }
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29 if (start & 0xF || length & 0xF) {
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30 printf("ERROR: implementation limit: 16-byte alignment required\n");
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31 return;
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32 }
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33 for (offset = 0; offset < length; offset += 0x10) {
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34 memcpy(intbuf, start + offset, 0x10);
0
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35 printf("%08X: ", start + offset);
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36 for (i = 0; i < 16; i++) {
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37 printf("%02X ", intbuf[i]);
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38 if ((i & 3) == 3)
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39 putchar(' ');
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40 }
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41 for (i = 0; i < 16; i++) {
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42 c = intbuf[i];
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43 if (c >= ' ' && c <= '~')
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44 putchar(c);
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45 else
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46 putchar('.');
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47 }
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48 putchar('\n');
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49 }
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50 }