kldstat.c revision 113933
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 113933 2003-04-23 20:24:13Z johan $"; 30#endif /* not lint */ 31 32#include <err.h> 33#include <stdint.h> 34#include <stdio.h> 35#include <stdlib.h> 36#include <unistd.h> 37#include <sys/types.h> 38#include <sys/param.h> 39#include <sys/module.h> 40#include <sys/linker.h> 41 42#if defined(__alpha__) 43#define POINTER_WIDTH 18 44#else 45#define POINTER_WIDTH 10 46#endif 47 48static void 49printmod(int modid) 50{ 51 struct module_stat stat; 52 53 stat.version = sizeof(struct module_stat); 54 if (modstat(modid, &stat) < 0) 55 warn("can't stat module id %d", modid); 56 else 57 printf("\t\t%2d %s\n", stat.id, 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 %-8jx %s\n", 70 stat.id, stat.refs, stat.address, (uintmax_t)stat.size, 71 stat.name); 72 73 if (verbose) { 74 printf("\tContains modules:\n"); 75 printf("\t\tId Name\n"); 76 for (modid = kldfirstmod(fileid); modid > 0; 77 modid = modfnext(modid)) 78 printmod(modid); 79 } 80} 81 82static void 83usage(void) 84{ 85 fprintf(stderr, "usage: kldstat [-v] [-i id] [-n name]\n"); 86 exit(1); 87} 88 89int 90main(int argc, char** argv) 91{ 92 int c; 93 int verbose = 0; 94 int fileid = 0; 95 char* filename = 0; 96 97 while ((c = getopt(argc, argv, "i:n:v")) != -1) 98 switch (c) { 99 case 'i': 100 fileid = atoi(optarg); 101 break; 102 case 'n': 103 filename = optarg; 104 break; 105 case 'v': 106 verbose = 1; 107 break; 108 default: 109 usage(); 110 } 111 argc -= optind; 112 argv += optind; 113 114 if (argc != 0) 115 usage(); 116 117 if (filename) { 118 if ((fileid = kldfind(filename)) < 0) 119 err(1, "can't find file %s", filename); 120 } 121 122 printf("Id Refs Address%*c Size Name\n", POINTER_WIDTH - 7, ' '); 123 if (fileid) 124 printfile(fileid, verbose); 125 else 126 for (fileid = kldnext(0); fileid > 0; fileid = kldnext(fileid)) 127 printfile(fileid, verbose); 128 129 return 0; 130} 131