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 * $DragonFly: src/sbin/kldstat/kldstat.c,v 1.5 2008/01/08 15:27:57 matthias Exp $ 28 */ 29 30 #include <sys/cdefs.h> 31 32 #include <err.h> 33 #include <stdint.h> 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <unistd.h> 37 #include <sys/types.h> 38 #include <sys/param.h> 39 #include <sys/module.h> 40 #include <sys/linker.h> 41 42 #define POINTER_WIDTH ((int)(sizeof(void *) * 2 + 2)) 43 44 static void 45 printmod(int modid) 46 { 47 struct module_stat stat; 48 49 stat.version = sizeof(struct module_stat); 50 if (modstat(modid, &stat) < 0) 51 warn("can't stat module id %d", modid); 52 else 53 printf("\t\t%2d %s\n", stat.id, stat.name); 54 } 55 56 static void 57 printfile(int fileid, int verbose) 58 { 59 struct kld_file_stat stat; 60 int modid; 61 62 stat.version = sizeof(struct kld_file_stat); 63 if (kldstat(fileid, &stat) < 0) 64 warn("can't stat file id %d", fileid); 65 else 66 printf("%2d %4d %p %-8jx %s\n", 67 stat.id, stat.refs, stat.address, (uintmax_t)stat.size, 68 stat.name); 69 70 if (verbose) { 71 printf("\tContains modules:\n"); 72 printf("\t\tId Name\n"); 73 for (modid = kldfirstmod(fileid); modid > 0; 74 modid = modfnext(modid)) 75 printmod(modid); 76 } 77 } 78 79 static void 80 usage(void) 81 { 82 fprintf(stderr, "usage: kldstat [-v] [-i id] [-n filename]\n"); 83 fprintf(stderr, " kldstat [-q] [-m modname]\n"); 84 exit(1); 85 } 86 87 int 88 main(int argc, char** argv) 89 { 90 int c; 91 int verbose = 0; 92 int fileid = 0; 93 int quiet = 0; 94 char* filename = NULL; 95 char* modname = NULL; 96 char* p; 97 98 while ((c = getopt(argc, argv, "i:m:n:qv")) != -1) 99 switch (c) { 100 case 'i': 101 fileid = (int)strtoul(optarg, &p, 10); 102 if (*p != '\0') 103 usage(); 104 break; 105 case 'm': 106 modname = optarg; 107 break; 108 case 'n': 109 filename = optarg; 110 break; 111 case 'q': 112 quiet = 1; 113 break; 114 case 'v': 115 verbose = 1; 116 break; 117 default: 118 usage(); 119 } 120 argc -= optind; 121 argv += optind; 122 123 if (argc != 0) 124 usage(); 125 126 if (modname != NULL) { 127 int modid; 128 struct module_stat stat; 129 130 if ((modid = modfind(modname)) < 0) { 131 if (!quiet) 132 warn("can't find module %s", modname); 133 return 1; 134 } else if (quiet) { 135 return 0; 136 } 137 138 stat.version = sizeof(struct module_stat); 139 if (modstat(modid, &stat) < 0) 140 warn("can't stat module id %d", modid); 141 else { 142 printf("Id Refs Name\n"); 143 printf("%3d %4d %s\n", stat.id, stat.refs, stat.name); 144 } 145 146 return 0; 147 } 148 149 if (filename != NULL) { 150 if ((fileid = kldfind(filename)) < 0) 151 err(1, "can't find file %s", filename); 152 } 153 154 printf("Id Refs Address%*c Size Name\n", POINTER_WIDTH - 7, ' '); 155 if (fileid != 0) 156 printfile(fileid, verbose); 157 else 158 for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid)) 159 printfile(fileid, verbose); 160 161 return 0; 162 } 163