1 /* $NetBSD: debug.c,v 1.2 2010/08/26 13:29:02 manu Exp $ */ 2 3 /*- 4 * Copyright (c) 2010 Emmanuel Dreyfus. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 15 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 16 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 17 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 18 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 19 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 20 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 21 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 22 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 23 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 24 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 25 * POSSIBILITY OF SUCH DAMAGE. 26 */ 27 #include <stdio.h> 28 #include <errno.h> 29 #include <string.h> 30 #include <syslog.h> 31 #include <ctype.h> 32 33 #include "perfused.h" 34 35 #ifdef PERFUSE_DEBUG 36 void 37 perfuse_hexdump(addr, len) 38 char *addr; 39 size_t len; 40 { 41 unsigned int i, j, k; 42 43 for (i = 0; i < len; i += 16) { 44 DPRINTF("%p ", &addr[i]); 45 for (j = 0; j < 16; j += 4) { 46 for (k = 0; k < 4; k++) { 47 if (i + j + k < len) { 48 DPRINTF("%02x ", 49 *(addr + i + j + k) & 0xff); 50 } else { 51 DPRINTF(" "); 52 } 53 } 54 } 55 56 DPRINTF(" "); 57 for (j = 0; j < 16; j++) { 58 char c; 59 60 if (i + j < len) { 61 c = *(addr + i + j); 62 DPRINTF("%c", isprint((int)c) ? c : '.'); 63 } else { 64 DPRINTF(" "); 65 } 66 } 67 DPRINTF("\n"); 68 } 69 70 return; 71 } 72 73 74 75 #endif /* PERFUSE_DEBUG */ 76