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 1.7.2.2 2000/07/01 07:56:00 ps Exp $ 27 * $DragonFly: src/sbin/kldstat/kldstat.c,v 1.2 2003/06/17 04:27:33 dillon Exp $ 28 */ 29 30 #include <err.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 #if defined(__alpha__) 40 #define POINTER_WIDTH 18 41 #else 42 #define POINTER_WIDTH 10 43 #endif 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 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 %-8x %s\n", 67 stat.id, stat.refs, stat.address, stat.size, stat.name); 68 69 if (verbose) { 70 printf("\tContains modules:\n"); 71 printf("\t\tId Name\n"); 72 for (modid = kldfirstmod(fileid); modid > 0; 73 modid = modfnext(modid)) 74 printmod(modid); 75 } 76 } 77 78 static void 79 usage(void) 80 { 81 fprintf(stderr, "usage: kldstat [-v] [-i id] [-n name]\n"); 82 exit(1); 83 } 84 85 int 86 main(int argc, char** argv) 87 { 88 int c; 89 int verbose = 0; 90 int fileid = 0; 91 char* filename = 0; 92 93 while ((c = getopt(argc, argv, "i:n:v")) != -1) 94 switch (c) { 95 case 'i': 96 fileid = atoi(optarg); 97 break; 98 case 'n': 99 filename = optarg; 100 break; 101 case 'v': 102 verbose = 1; 103 break; 104 default: 105 usage(); 106 } 107 argc -= optind; 108 argv += optind; 109 110 if (argc != 0) 111 usage(); 112 113 if (filename) { 114 if ((fileid = kldfind(filename)) < 0) 115 err(1, "can't find file %s", filename); 116 } 117 118 printf("Id Refs Address%*c Size Name\n", POINTER_WIDTH - 7, ' '); 119 if (fileid) 120 printfile(fileid, verbose); 121 else 122 for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid)) 123 printfile(fileid, verbose); 124 125 return 0; 126 } 127