kldstat.c revision 32270
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 27#ifndef lint 28static const char rcsid[] = 29 "$Id$"; 30#endif /* not lint */ 31 32#include <err.h> 33#include <stdio.h> 34#include <stdlib.h> 35#include <unistd.h> 36#include <sys/types.h> 37#include <sys/param.h> 38#include <sys/module.h> 39#include <sys/linker.h> 40 41static void 42printmod(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 53static void printfile(int fileid, int verbose) 54{ 55 struct kld_file_stat stat; 56 int modid; 57 58 stat.version = sizeof(struct kld_file_stat); 59 if (kldstat(fileid, &stat) < 0) 60 warn("can't stat file id %d", fileid); 61 else 62 printf("%2d %4d %p %-8x %s\n", 63 stat.id, stat.refs, stat.address, stat.size, stat.name); 64 65 if (verbose) { 66 printf("\tContains modules:\n"); 67 printf("\t\tId Name\n"); 68 for (modid = kldfirstmod(fileid); modid > 0; 69 modid = modfnext(modid)) 70 printmod(modid); 71 } 72} 73 74static void 75usage(void) 76{ 77 fprintf(stderr, "usage: kldstat [-v] [-i id] [-n name]\n"); 78 exit(1); 79} 80 81int 82main(int argc, char** argv) 83{ 84 int c; 85 int verbose = 0; 86 int fileid = 0; 87 char* filename = 0; 88 89 while ((c = getopt(argc, argv, "i:n:v")) != -1) 90 switch (c) { 91 case 'i': 92 fileid = atoi(optarg); 93 break; 94 case 'n': 95 filename = optarg; 96 break; 97 case 'v': 98 verbose = 1; 99 break; 100 default: 101 usage(); 102 } 103 argc -= optind; 104 argv += optind; 105 106 if (argc != 0) 107 usage(); 108 109 if (filename) { 110 if ((fileid = kldfind(filename)) < 0) 111 err(1, "can't find file %s", filename); 112 } 113 114 printf("Id Refs Address Size Name\n"); 115 if (fileid) 116 printfile(fileid, verbose); 117 else 118 for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid)) 119 printfile(fileid, verbose); 120 121 return 0; 122} 123