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