1 /*- 2 * SPDX-License-Identifier: BSD-2-Clause-FreeBSD 3 * 4 * Copyright (c) 1997 Doug Rabson 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29 #include <sys/cdefs.h> 30 __FBSDID("$FreeBSD$"); 31 32 #include <sys/types.h> 33 #include <sys/param.h> 34 #include <sys/module.h> 35 #include <sys/linker.h> 36 37 #include <err.h> 38 #include <libutil.h> 39 #include <stdio.h> 40 #include <stdlib.h> 41 #include <strings.h> 42 #include <unistd.h> 43 44 #define PTR_WIDTH ((int)(sizeof(void *) * 2 + 2)) 45 46 static void printmod(int); 47 static void printfile(int, int, int); 48 static void usage(void) __dead2; 49 50 static int showdata = 0; 51 52 static void 53 printmod(int modid) 54 { 55 struct module_stat stat; 56 57 bzero(&stat, sizeof(stat)); 58 stat.version = sizeof(struct module_stat); 59 if (modstat(modid, &stat) < 0) { 60 warn("can't stat module id %d", modid); 61 return; 62 } 63 if (showdata) { 64 printf("\t\t%3d %s (%d, %u, 0x%lx)\n", stat.id, 65 stat.name, stat.data.intval, stat.data.uintval, 66 stat.data.ulongval); 67 } else 68 printf("\t\t%3d %s\n", stat.id, stat.name); 69 } 70 71 static void 72 printfile(int fileid, int verbose, int humanized) 73 { 74 struct kld_file_stat stat; 75 int modid; 76 char buf[5]; 77 78 stat.version = sizeof(struct kld_file_stat); 79 if (kldstat(fileid, &stat) < 0) 80 err(1, "can't stat file id %d", fileid); 81 if (humanized) { 82 humanize_number(buf, sizeof(buf), stat.size, 83 "", HN_AUTOSCALE, HN_DECIMAL | HN_NOSPACE); 84 85 printf("%2d %4d %*p %5s %s", 86 stat.id, stat.refs, PTR_WIDTH, stat.address, 87 buf, stat.name); 88 } else { 89 printf("%2d %4d %*p %8zx %s", 90 stat.id, stat.refs, PTR_WIDTH, stat.address, 91 stat.size, stat.name); 92 } 93 94 if (verbose) { 95 printf(" (%s)\n", stat.pathname); 96 printf("\tContains modules:\n"); 97 printf("\t\t Id Name\n"); 98 for (modid = kldfirstmod(fileid); modid > 0; modid = modfnext(modid)) 99 printmod(modid); 100 } else 101 printf("\n"); 102 } 103 104 static void __dead2 105 usage(void) 106 { 107 fprintf(stderr, "usage: %1$s [-dhqv] [-i id] [-n filename]\n" 108 " %1$s [-dq] [-m modname]\n", getprogname()); 109 exit(1); 110 } 111 112 int 113 main(int argc, char *argv[]) 114 { 115 struct module_stat stat; 116 int humanized = 0; 117 int verbose = 0; 118 int fileid = 0; 119 int quiet = 0; 120 int c, modid; 121 char *filename = NULL; 122 char *modname = NULL; 123 char *p; 124 125 while ((c = getopt(argc, argv, "dhi:m:n:qv")) != -1) { 126 switch (c) { 127 case 'd': 128 showdata = 1; 129 break; 130 case 'h': 131 humanized = 1; 132 break; 133 case 'i': 134 fileid = (int)strtoul(optarg, &p, 10); 135 if (*p != '\0') 136 usage(); 137 break; 138 case 'm': 139 modname = optarg; 140 break; 141 case 'n': 142 filename = optarg; 143 break; 144 case 'q': 145 quiet = 1; 146 break; 147 case 'v': 148 verbose = 1; 149 break; 150 default: 151 usage(); 152 } 153 } 154 argc -= optind; 155 argv += optind; 156 157 if (argc != 0) 158 usage(); 159 160 if (modname != NULL) { 161 if ((modid = modfind(modname)) < 0) { 162 if (!quiet) 163 warn("can't find module %s", modname); 164 return (1); 165 } else if (quiet) 166 return (0); 167 168 stat.version = sizeof(struct module_stat); 169 if (modstat(modid, &stat) < 0) 170 warn("can't stat module id %d", modid); 171 else { 172 if (showdata) { 173 printf("Id Refs Name data..(int, uint, ulong)\n"); 174 printf("%3d %4d %s (%d, %u, 0x%lx)\n", 175 stat.id, stat.refs, stat.name, 176 stat.data.intval, stat.data.uintval, 177 stat.data.ulongval); 178 } else { 179 printf("Id Refs Name\n"); 180 printf("%3d %4d %s\n", stat.id, stat.refs, 181 stat.name); 182 } 183 } 184 185 return (0); 186 } 187 188 if (filename != NULL) { 189 if ((fileid = kldfind(filename)) < 0) { 190 if (!quiet) 191 warn("can't find file %s", filename); 192 return (1); 193 } else if (quiet) 194 return (0); 195 } 196 197 if (humanized) { 198 printf("Id Refs Address%*c %5s Name\n", PTR_WIDTH - 7, 199 ' ', "Size"); 200 } else { 201 printf("Id Refs Address%*c %8s Name\n", PTR_WIDTH - 7, 202 ' ', "Size"); 203 } 204 if (fileid != 0) 205 printfile(fileid, verbose, humanized); 206 else 207 for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid)) 208 printfile(fileid, verbose, humanized); 209 210 return (0); 211 } 212