1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*0Sstevel@tonic-gate * Use is subject to license terms. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include <sys/types.h> 30*0Sstevel@tonic-gate #include <inttypes.h> 31*0Sstevel@tonic-gate #include <stdio.h> 32*0Sstevel@tonic-gate #include <stddef.h> 33*0Sstevel@tonic-gate #include <stdlib.h> 34*0Sstevel@tonic-gate #include <string.h> 35*0Sstevel@tonic-gate #include <sys/modctl.h> 36*0Sstevel@tonic-gate #include <sys/errno.h> 37*0Sstevel@tonic-gate 38*0Sstevel@tonic-gate static int wide; 39*0Sstevel@tonic-gate static int count = 0; 40*0Sstevel@tonic-gate static int first_mod = 1; 41*0Sstevel@tonic-gate 42*0Sstevel@tonic-gate /* 43*0Sstevel@tonic-gate * When printing module load addresses on 32-bit kernels, the 8 hex 44*0Sstevel@tonic-gate * character field width is obviously adequate. On sparcv9 kernels 45*0Sstevel@tonic-gate * solely by virtue of the choice of code model enabled by the separate 46*0Sstevel@tonic-gate * kernel context, the text addresses are currently in the lower 4G 47*0Sstevel@tonic-gate * address range, and so -still- fit in 8 hex characters. 48*0Sstevel@tonic-gate * 49*0Sstevel@tonic-gate * However, amd64 kernels live at the top of the 64-bit address space, and 50*0Sstevel@tonic-gate * so as to be honest about the addresses (and since this is a tool for 51*0Sstevel@tonic-gate * humans to parse), we have to print out a 16 hex character address. 52*0Sstevel@tonic-gate * 53*0Sstevel@tonic-gate * We assume that we will print out all 16 hex characters on future 54*0Sstevel@tonic-gate * 64-bit kernel ports too. 55*0Sstevel@tonic-gate */ 56*0Sstevel@tonic-gate static const char header[] = 57*0Sstevel@tonic-gate " Id " 58*0Sstevel@tonic-gate #if defined(_LP64) && !defined(__sparcv9) 59*0Sstevel@tonic-gate " " 60*0Sstevel@tonic-gate #endif 61*0Sstevel@tonic-gate "Loadaddr Size Info Rev Module Name\n"; 62*0Sstevel@tonic-gate 63*0Sstevel@tonic-gate static char *cheader = 64*0Sstevel@tonic-gate " Id Loadcnt Module Name State\n"; 65*0Sstevel@tonic-gate 66*0Sstevel@tonic-gate 67*0Sstevel@tonic-gate static void usage(); 68*0Sstevel@tonic-gate static void print_info(struct modinfo *mi); 69*0Sstevel@tonic-gate static void print_cinfo(struct modinfo *mi); 70*0Sstevel@tonic-gate 71*0Sstevel@tonic-gate /* 72*0Sstevel@tonic-gate * These functions are in modsubr.c 73*0Sstevel@tonic-gate */ 74*0Sstevel@tonic-gate void fatal(char *fmt, ...); 75*0Sstevel@tonic-gate void error(char *fmt, ...); 76*0Sstevel@tonic-gate 77*0Sstevel@tonic-gate /* 78*0Sstevel@tonic-gate * Display information of all loaded modules 79*0Sstevel@tonic-gate */ 80*0Sstevel@tonic-gate int 81*0Sstevel@tonic-gate main(int argc, char *argv[]) 82*0Sstevel@tonic-gate { 83*0Sstevel@tonic-gate struct modinfo modinfo; 84*0Sstevel@tonic-gate int info_all = 1; 85*0Sstevel@tonic-gate int id; 86*0Sstevel@tonic-gate int opt; 87*0Sstevel@tonic-gate 88*0Sstevel@tonic-gate id = -1; /* assume we're getting all loaded modules */ 89*0Sstevel@tonic-gate 90*0Sstevel@tonic-gate while ((opt = getopt(argc, argv, "i:wc")) != EOF) { 91*0Sstevel@tonic-gate switch (opt) { 92*0Sstevel@tonic-gate case 'i': 93*0Sstevel@tonic-gate if (sscanf(optarg, "%d", &id) != 1) 94*0Sstevel@tonic-gate fatal("Invalid id %s\n", optarg); 95*0Sstevel@tonic-gate if (id == -1) 96*0Sstevel@tonic-gate id = 0; 97*0Sstevel@tonic-gate info_all = 0; 98*0Sstevel@tonic-gate break; 99*0Sstevel@tonic-gate case 'w': 100*0Sstevel@tonic-gate wide++; 101*0Sstevel@tonic-gate break; 102*0Sstevel@tonic-gate case 'c': 103*0Sstevel@tonic-gate count++; 104*0Sstevel@tonic-gate break; 105*0Sstevel@tonic-gate case '?': 106*0Sstevel@tonic-gate default: 107*0Sstevel@tonic-gate usage(); 108*0Sstevel@tonic-gate break; 109*0Sstevel@tonic-gate } 110*0Sstevel@tonic-gate } 111*0Sstevel@tonic-gate 112*0Sstevel@tonic-gate 113*0Sstevel@tonic-gate /* 114*0Sstevel@tonic-gate * Next id of -1 means we're getting info on all modules. 115*0Sstevel@tonic-gate */ 116*0Sstevel@tonic-gate modinfo.mi_id = modinfo.mi_nextid = id; 117*0Sstevel@tonic-gate modinfo.mi_info = (info_all) ? MI_INFO_ALL : MI_INFO_ONE; 118*0Sstevel@tonic-gate 119*0Sstevel@tonic-gate if (count) 120*0Sstevel@tonic-gate modinfo.mi_info |= MI_INFO_CNT; 121*0Sstevel@tonic-gate 122*0Sstevel@tonic-gate do { 123*0Sstevel@tonic-gate /* 124*0Sstevel@tonic-gate * Get module information. 125*0Sstevel@tonic-gate * If modinfo.mi_nextid == -1, get info about the 126*0Sstevel@tonic-gate * next installed module with id > "id." 127*0Sstevel@tonic-gate * Otherwise, get info about the module with id == "id." 128*0Sstevel@tonic-gate */ 129*0Sstevel@tonic-gate if (modctl(MODINFO, id, &modinfo) < 0) { 130*0Sstevel@tonic-gate if (!info_all) 131*0Sstevel@tonic-gate error("can't get module information"); 132*0Sstevel@tonic-gate break; 133*0Sstevel@tonic-gate } 134*0Sstevel@tonic-gate 135*0Sstevel@tonic-gate if (first_mod) { 136*0Sstevel@tonic-gate first_mod = 0; 137*0Sstevel@tonic-gate (void) printf(count ? cheader : header); 138*0Sstevel@tonic-gate } 139*0Sstevel@tonic-gate if (count) 140*0Sstevel@tonic-gate print_cinfo(&modinfo); 141*0Sstevel@tonic-gate else 142*0Sstevel@tonic-gate print_info(&modinfo); 143*0Sstevel@tonic-gate /* 144*0Sstevel@tonic-gate * If we're getting info about all modules, the next one 145*0Sstevel@tonic-gate * we want is the one with an id greater than this one. 146*0Sstevel@tonic-gate */ 147*0Sstevel@tonic-gate id = modinfo.mi_id; 148*0Sstevel@tonic-gate } while (info_all); 149*0Sstevel@tonic-gate 150*0Sstevel@tonic-gate return (0); 151*0Sstevel@tonic-gate } 152*0Sstevel@tonic-gate 153*0Sstevel@tonic-gate /* 154*0Sstevel@tonic-gate * Display loadcounts. 155*0Sstevel@tonic-gate */ 156*0Sstevel@tonic-gate static void 157*0Sstevel@tonic-gate print_cinfo(struct modinfo *mi) 158*0Sstevel@tonic-gate { 159*0Sstevel@tonic-gate (void) printf("%3d %10d %-32s", mi->mi_id, mi->mi_loadcnt, mi->mi_name); 160*0Sstevel@tonic-gate (void) printf(" %s/%s\n", 161*0Sstevel@tonic-gate mi->mi_state & MI_LOADED ? "LOADED" : "UNLOADED", 162*0Sstevel@tonic-gate mi->mi_state & MI_INSTALLED ? "INSTALLED" : "UNINSTALLED"); 163*0Sstevel@tonic-gate } 164*0Sstevel@tonic-gate 165*0Sstevel@tonic-gate /* 166*0Sstevel@tonic-gate * Display info about a loaded module. 167*0Sstevel@tonic-gate * 168*0Sstevel@tonic-gate */ 169*0Sstevel@tonic-gate static void 170*0Sstevel@tonic-gate print_info(struct modinfo *mi) 171*0Sstevel@tonic-gate { 172*0Sstevel@tonic-gate int n, p0; 173*0Sstevel@tonic-gate char namebuf[256]; 174*0Sstevel@tonic-gate 175*0Sstevel@tonic-gate for (n = 0; n < MODMAXLINK; n++) { 176*0Sstevel@tonic-gate if (n > 0 && mi->mi_msinfo[n].msi_linkinfo[0] == '\0') 177*0Sstevel@tonic-gate break; 178*0Sstevel@tonic-gate 179*0Sstevel@tonic-gate (void) printf("%3d ", mi->mi_id); 180*0Sstevel@tonic-gate #if defined(_LP64) && !defined(__sparcv9) 181*0Sstevel@tonic-gate (void) printf("%16lx ", (uintptr_t)mi->mi_base); 182*0Sstevel@tonic-gate #else 183*0Sstevel@tonic-gate (void) printf("%8lx ", (uintptr_t)mi->mi_base); 184*0Sstevel@tonic-gate #endif 185*0Sstevel@tonic-gate (void) printf("%6x ", mi->mi_size); 186*0Sstevel@tonic-gate 187*0Sstevel@tonic-gate p0 = mi->mi_msinfo[n].msi_p0; 188*0Sstevel@tonic-gate 189*0Sstevel@tonic-gate if (p0 != -1) 190*0Sstevel@tonic-gate (void) printf("%3d ", p0); 191*0Sstevel@tonic-gate else 192*0Sstevel@tonic-gate (void) printf(" - "); 193*0Sstevel@tonic-gate 194*0Sstevel@tonic-gate (void) printf(" %d ", mi->mi_rev); 195*0Sstevel@tonic-gate 196*0Sstevel@tonic-gate mi->mi_name[MODMAXNAMELEN - 1] = '\0'; 197*0Sstevel@tonic-gate mi->mi_msinfo[n].msi_linkinfo[MODMAXNAMELEN - 1] = '\0'; 198*0Sstevel@tonic-gate 199*0Sstevel@tonic-gate if (wide) { 200*0Sstevel@tonic-gate (void) printf("%s (%s)\n", mi->mi_name, 201*0Sstevel@tonic-gate mi->mi_msinfo[n].msi_linkinfo); 202*0Sstevel@tonic-gate } else { 203*0Sstevel@tonic-gate /* snprintf(3c) will always append a null character */ 204*0Sstevel@tonic-gate (void) snprintf(namebuf, sizeof (namebuf), "%s (%s)", 205*0Sstevel@tonic-gate mi->mi_name, mi->mi_msinfo[n].msi_linkinfo); 206*0Sstevel@tonic-gate #if defined(_LP64) && !defined(__sparcv9) 207*0Sstevel@tonic-gate (void) printf("%.43s\n", namebuf); 208*0Sstevel@tonic-gate #else 209*0Sstevel@tonic-gate (void) printf("%.51s\n", namebuf); 210*0Sstevel@tonic-gate #endif 211*0Sstevel@tonic-gate } 212*0Sstevel@tonic-gate } 213*0Sstevel@tonic-gate } 214*0Sstevel@tonic-gate 215*0Sstevel@tonic-gate static void 216*0Sstevel@tonic-gate usage() 217*0Sstevel@tonic-gate { 218*0Sstevel@tonic-gate fatal("usage: modinfo [-w] [-c] [-i module-id]\n"); 219*0Sstevel@tonic-gate } 220