kldstat.c revision 61881
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 "$FreeBSD: head/sbin/kldstat/kldstat.c 61881 2000-06-20 19:04:22Z jmb $"; 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 41#if defined(__alpha__) 42#define POINTER_WIDTH 18 43#else 44#define POINTER_WIDTH 10 45#endif 46 47static void 48printmod(int modid) 49{ 50 struct module_stat stat; 51 52 stat.version = sizeof(struct module_stat); 53 if (modstat(modid, &stat) < 0) 54 warn("can't stat module id %d", modid); 55 else 56 printf("\t\t%2d %2d 0x%-8x %s\n", 57 stat.id, stat.refs, stat.version, stat.name); 58} 59 60static void printfile(int fileid, int verbose) 61{ 62 struct kld_file_stat stat; 63 int modid; 64 65 stat.version = sizeof(struct kld_file_stat); 66 if (kldstat(fileid, &stat) < 0) 67 warn("can't stat file id %d", fileid); 68 else 69 printf("%2d %4d %p %-8x %s\n", 70 stat.id, stat.refs, stat.address, stat.size, stat.name); 71 72 if (verbose) { 73 printf("\tContains modules:\n"); 74 printf("\t\tId Refs Version%*c Name\n", POINTER_WIDTH - 7, ' '); 75 for (modid = kldfirstmod(fileid); modid > 0; 76 modid = modfnext(modid)) 77 printmod(modid); 78 } 79} 80 81static void 82usage(void) 83{ 84 fprintf(stderr, "usage: kldstat [-v] [-i id] [-n name]\n"); 85 exit(1); 86} 87 88int 89main(int argc, char** argv) 90{ 91 int c; 92 int verbose = 0; 93 int fileid = 0; 94 char* filename = 0; 95 96 while ((c = getopt(argc, argv, "i:n:v")) != -1) 97 switch (c) { 98 case 'i': 99 fileid = atoi(optarg); 100 break; 101 case 'n': 102 filename = optarg; 103 break; 104 case 'v': 105 verbose = 1; 106 break; 107 default: 108 usage(); 109 } 110 argc -= optind; 111 argv += optind; 112 113 if (argc != 0) 114 usage(); 115 116 if (filename) { 117 if ((fileid = kldfind(filename)) < 0) 118 err(1, "can't find file %s", filename); 119 } 120 121 printf("Id Refs Address%*c Size Name\n", POINTER_WIDTH - 7, ' '); 122 if (fileid) 123 printfile(fileid, verbose); 124 else 125 for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid)) 126 printfile(fileid, verbose); 127 128 return 0; 129} 130