1 /*- 2 * Copyright (c) 1997 Doug Rabson 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer. 10 * 2. Redistributions in binary form must reproduce the above copyright 11 * notice, this list of conditions and the following disclaimer in the 12 * documentation and/or other materials provided with the distribution. 13 * 14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 24 * SUCH DAMAGE. 25 * 26 * $FreeBSD: src/sbin/kldstat/kldstat.c,v 1.20 2007/10/22 04:12:57 jb Exp $ 27 */ 28 29 #include <err.h> 30 #include <libutil.h> 31 #include <stdio.h> 32 #include <stdlib.h> 33 #include <unistd.h> 34 #include <sys/types.h> 35 #include <sys/param.h> 36 #include <sys/module.h> 37 #include <sys/linker.h> 38 39 #define POINTER_WIDTH ((int)(sizeof(void *) * 2 + 2)) 40 41 static int humanize = 0; 42 static int verbose = 0; 43 44 45 static void 46 printmod(int modid) 47 { 48 struct module_stat stat; 49 50 stat.version = sizeof(struct module_stat); 51 if (modstat(modid, &stat) < 0) 52 warn("can't stat module id %d", modid); 53 else 54 printf("\t\t%2d %s\n", stat.id, stat.name); 55 } 56 57 static void 58 printfile(int fileid) 59 { 60 struct kld_file_stat stat; 61 int modid; 62 char buf[5]; 63 64 stat.version = sizeof(struct kld_file_stat); 65 if (kldstat(fileid, &stat) < 0) { 66 warn("can't stat file id %d", fileid); 67 } else { 68 if (humanize) { 69 humanize_number(buf, sizeof(buf), stat.size, "", 70 HN_AUTOSCALE, HN_DECIMAL | HN_NOSPACE); 71 printf("%2d %4d %*p %5s %s", 72 stat.id, stat.refs, POINTER_WIDTH, stat.address, 73 buf, stat.name); 74 } else { 75 printf("%2d %4d %*p %8zx %s", 76 stat.id, stat.refs, POINTER_WIDTH, stat.address, 77 stat.size, stat.name); 78 } 79 } 80 81 if (verbose) { 82 printf(" (%s)\n", stat.pathname); 83 printf("\tContains modules:\n"); 84 printf("\t\tId Name\n"); 85 for (modid = kldfirstmod(fileid); modid > 0; modid = modfnext(modid)) 86 printmod(modid); 87 } else { 88 printf("\n"); 89 } 90 } 91 92 static void __dead2 93 usage(void) 94 { 95 fprintf(stderr, "usage: kldstat [-hv] [-i id] [-n filename]\n"); 96 fprintf(stderr, " kldstat [-q] [-m modname]\n"); 97 exit(1); 98 } 99 100 int 101 main(int argc, char** argv) 102 { 103 int c; 104 int fileid = 0; 105 int quiet = 0; 106 char* filename = NULL; 107 char* modname = NULL; 108 char* p; 109 110 while ((c = getopt(argc, argv, "hi:m:n:qv")) != -1) { 111 switch (c) { 112 case 'h': 113 humanize = 1; 114 break; 115 case 'i': 116 fileid = (int)strtoul(optarg, &p, 10); 117 if (*p != '\0') 118 usage(); 119 break; 120 case 'm': 121 modname = optarg; 122 break; 123 case 'n': 124 filename = optarg; 125 break; 126 case 'q': 127 quiet = 1; 128 break; 129 case 'v': 130 verbose = 1; 131 break; 132 default: 133 usage(); 134 } 135 } 136 argc -= optind; 137 argv += optind; 138 139 if (argc != 0) 140 usage(); 141 142 if (modname != NULL) { 143 int modid; 144 struct module_stat stat; 145 146 if ((modid = modfind(modname)) < 0) { 147 if (!quiet) 148 warn("can't find module %s", modname); 149 return 1; 150 } else if (quiet) { 151 return 0; 152 } 153 154 stat.version = sizeof(struct module_stat); 155 if (modstat(modid, &stat) < 0) 156 warn("can't stat module id %d", modid); 157 else { 158 printf("Id Refs Name\n"); 159 printf("%3d %4d %s\n", stat.id, stat.refs, stat.name); 160 } 161 162 return 0; 163 } 164 165 if (filename != NULL) { 166 if ((fileid = kldfind(filename)) < 0) 167 err(1, "can't find file %s", filename); 168 } 169 170 printf("Id Refs Address%*c %*s Name\n", POINTER_WIDTH - 7, ' ', 171 (humanize ? 5 : 8), "Size"); 172 if (fileid != 0) { 173 printfile(fileid); 174 } else { 175 for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid)) 176 printfile(fileid); 177 } 178 179 return 0; 180 } 181