kldstat.c revision 30627
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 * $Id: kldstat.c,v 1.2 1997/10/19 11:15:44 jmg Exp $ 27 */ 28 29#include <err.h> 30#include <stdio.h> 31#include <stdlib.h> 32#include <unistd.h> 33#include <sys/types.h> 34#include <sys/param.h> 35#include <sys/module.h> 36#include <sys/linker.h> 37 38static void 39printmod(int modid) 40{ 41 struct module_stat stat; 42 43 stat.version = sizeof(struct module_stat); 44 if (modstat(modid, &stat) < 0) 45 warn("Can't stat module id %d", modid); 46 else 47 printf("\t\t%2d %s\n", stat.id, stat.name); 48} 49 50static void printfile(int fileid, int verbose) 51{ 52 struct kld_file_stat stat; 53 int modid; 54 55 stat.version = sizeof(struct kld_file_stat); 56 if (kldstat(fileid, &stat) < 0) 57 warn("Can't stat file id %d", fileid); 58 else 59 printf("%2d %4d %p %-8x %s\n", 60 stat.id, stat.refs, stat.address, stat.size, stat.name); 61 62 if (verbose) { 63 printf("\tContains modules:\n"); 64 printf("\t\tId Name\n"); 65 for (modid = kldfirstmod(fileid); modid > 0; 66 modid = modfnext(modid)) 67 printmod(modid); 68 } 69} 70 71static void 72usage(void) 73{ 74 fprintf(stderr, "usage: kldstat [-v]\n"); 75 exit(1); 76} 77 78int 79main(int argc, char** argv) 80{ 81 int c; 82 int verbose = 0; 83 int fileid = 0; 84 char* filename = 0; 85 86 while ((c = getopt(argc, argv, "i:n:v")) != -1) 87 switch (c) { 88 case 'i': 89 fileid = atoi(optarg); 90 break; 91 case 'n': 92 filename = optarg; 93 break; 94 case 'v': 95 verbose = 1; 96 break; 97 default: 98 usage(); 99 } 100 argc -= optind; 101 argv += optind; 102 103 if (argc != 0) 104 usage(); 105 106 if (filename) { 107 if ((fileid = kldfind(filename)) < 0) 108 err(1, "Can't find file %s", filename); 109 } 110 111 printf("Id Refs Address Size Name\n"); 112 if (fileid) 113 printfile(fileid, verbose); 114 else 115 for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid)) 116 printfile(fileid, verbose); 117 118 return 0; 119} 120