kldstat.c revision 25540
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 * $Id$ 27 */ 28 29#include <stdio.h> 30#include <unistd.h> 31#include <sys/types.h> 32#include <sys/param.h> 33#include <sys/module.h> 34#include <sys/linker.h> 35 36static char* progname; 37 38static void printmod(int modid) 39{ 40 struct module_stat stat; 41 42 stat.version = sizeof(struct module_stat); 43 if (modstat(modid, &stat) < 0) 44 warn(1, "Can't state module"); 45 else 46 printf("\t\t%2d %s\n", stat.id, stat.name); 47} 48 49static void printfile(int fileid, int verbose) 50{ 51 struct kld_file_stat stat; 52 int modid; 53 54 stat.version = sizeof(struct kld_file_stat); 55 if (kldstat(fileid, &stat) < 0) 56 warn(1, "Can't stat file"); 57 else 58 printf("%2d %4d %-8x %-8x %s\n", 59 stat.id, stat.refs, stat.address, stat.size, stat.name); 60 61 if (verbose) { 62 printf("\tContains modules:\n"); 63 printf("\t\tId Name\n"); 64 for (modid = kldfirstmod(fileid); modid > 0; 65 modid = modfnext(modid)) 66 printmod(modid); 67 } 68} 69 70static void 71usage() 72{ 73 fprintf(stderr, "usage: %s [-v]\n", progname); 74 exit(1); 75} 76 77int main(int argc, char** argv) 78{ 79 int c; 80 int verbose = 0; 81 int fileid = 0; 82 char* filename = 0; 83 84 progname = argv[0]; 85 while ((c = getopt(argc, argv, "vi:n:")) != -1) 86 switch (c) { 87 case 'v': 88 verbose = 1; 89 break; 90 case 'i': 91 fileid = atoi(optarg); 92 break; 93 case 'n': 94 filename = optarg; 95 break; 96 default: 97 usage(); 98 } 99 argc -= optind; 100 argv += optind; 101 102 if (argc != 0) 103 usage(); 104 105 if (filename) { 106 fileid = kldfind(filename); 107 if (fileid < 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