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 27 #include <sys/cdefs.h> 28 __FBSDID("$FreeBSD$"); 29 30 #include <err.h> 31 #include <libutil.h> 32 #include <stdio.h> 33 #include <stdlib.h> 34 #include <unistd.h> 35 #include <sys/types.h> 36 #include <sys/param.h> 37 #include <sys/module.h> 38 #include <sys/linker.h> 39 40 #define POINTER_WIDTH ((int)(sizeof(void *) * 2 + 2)) 41 42 static void 43 printmod(int modid) 44 { 45 struct module_stat stat; 46 47 stat.version = sizeof(struct module_stat); 48 if (modstat(modid, &stat) < 0) 49 warn("can't stat module id %d", modid); 50 else 51 printf("\t\t%2d %s\n", stat.id, stat.name); 52 } 53 54 static void 55 printfile(int fileid, int verbose, int humanized) 56 { 57 struct kld_file_stat stat; 58 int modid; 59 char buf[5]; 60 61 stat.version = sizeof(struct kld_file_stat); 62 if (kldstat(fileid, &stat) < 0) { 63 err(1, "can't stat file id %d", fileid); 64 } else { 65 if (humanized) { 66 humanize_number(buf, sizeof(buf), stat.size, 67 "", HN_AUTOSCALE, HN_DECIMAL | HN_NOSPACE); 68 69 printf("%2d %4d %p %5s %s", 70 stat.id, stat.refs, stat.address, buf, stat.name); 71 } else { 72 printf("%2d %4d %p %-8zx %s", 73 stat.id, stat.refs, stat.address, stat.size, stat.name); 74 } 75 } 76 77 if (verbose) { 78 printf(" (%s)\n", stat.pathname); 79 printf("\tContains modules:\n"); 80 printf("\t\tId Name\n"); 81 for (modid = kldfirstmod(fileid); modid > 0; 82 modid = modfnext(modid)) 83 printmod(modid); 84 } else 85 printf("\n"); 86 } 87 88 static void 89 usage(void) 90 { 91 fprintf(stderr, "usage: kldstat [-h] [-q] [-v] [-i id] [-n filename]\n"); 92 fprintf(stderr, " kldstat [-q] [-m modname]\n"); 93 exit(1); 94 } 95 96 int 97 main(int argc, char** argv) 98 { 99 int c; 100 int humanized = 0; 101 int verbose = 0; 102 int fileid = 0; 103 int quiet = 0; 104 char* filename = NULL; 105 char* modname = NULL; 106 char* p; 107 108 while ((c = getopt(argc, argv, "hi:m:n:qv")) != -1) 109 switch (c) { 110 case 'h': 111 humanized = 1; 112 break; 113 case 'i': 114 fileid = (int)strtoul(optarg, &p, 10); 115 if (*p != '\0') 116 usage(); 117 break; 118 case 'm': 119 modname = optarg; 120 break; 121 case 'n': 122 filename = optarg; 123 break; 124 case 'q': 125 quiet = 1; 126 break; 127 case 'v': 128 verbose = 1; 129 break; 130 default: 131 usage(); 132 } 133 argc -= optind; 134 argv += optind; 135 136 if (argc != 0) 137 usage(); 138 139 if (modname != NULL) { 140 int modid; 141 struct module_stat stat; 142 143 if ((modid = modfind(modname)) < 0) { 144 if (!quiet) 145 warn("can't find module %s", modname); 146 return 1; 147 } else if (quiet) { 148 return 0; 149 } 150 151 stat.version = sizeof(struct module_stat); 152 if (modstat(modid, &stat) < 0) 153 warn("can't stat module id %d", modid); 154 else { 155 printf("Id Refs Name\n"); 156 printf("%3d %4d %s\n", stat.id, stat.refs, stat.name); 157 } 158 159 return 0; 160 } 161 162 if (filename != NULL) { 163 if ((fileid = kldfind(filename)) < 0) { 164 if (!quiet) 165 warn("can't find file %s", filename); 166 return 1; 167 } else if (quiet) { 168 return 0; 169 } 170 } 171 172 if (humanized) 173 printf("Id Refs Address%*c Size Name\n", POINTER_WIDTH - 7, ' '); 174 else 175 printf("Id Refs Address%*c Size Name\n", POINTER_WIDTH - 7, ' '); 176 if (fileid != 0) 177 printfile(fileid, verbose, humanized); 178 else 179 for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid)) 180 printfile(fileid, verbose, humanized); 181 182 return 0; 183 } 184