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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (the "License"). You may not use this file except in compliance
* with the License.
*
* You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
* or http://www.opensolaris.org/os/licensing.
* See the License for the specific language governing permissions
* and limitations under the License.
*
* When distributing Covered Code, include this CDDL HEADER in each
* file and include the License file at usr/src/OPENSOLARIS.LICENSE.
* If applicable, add the following below this CDDL HEADER, with the
* fields enclosed by brackets "[]" replaced with your own identifying
* information: Portions Copyright [yyyy] [name of copyright owner]
*
* CDDL HEADER END
*/
/*
* Copyright 2004 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/types.h>
#include <inttypes.h>
#include <stdio.h>
#include <stddef.h>
#include <stdlib.h>
#include <string.h>
#include <sys/modctl.h>
#include <sys/errno.h>
static int wide;
static int count = 0;
static int first_mod = 1;
/*
* When printing module load addresses on 32-bit kernels, the 8 hex
* character field width is obviously adequate. On sparcv9 kernels
* solely by virtue of the choice of code model enabled by the separate
* kernel context, the text addresses are currently in the lower 4G
* address range, and so -still- fit in 8 hex characters.
*
* However, amd64 kernels live at the top of the 64-bit address space, and
* so as to be honest about the addresses (and since this is a tool for
* humans to parse), we have to print out a 16 hex character address.
*
* We assume that we will print out all 16 hex characters on future
* 64-bit kernel ports too.
*/
static const char header[] =
" Id "
#if defined(_LP64) && !defined(__sparcv9)
" "
#endif
"Loadaddr Size Info Rev Module Name\n";
static char *cheader =
" Id Loadcnt Module Name State\n";
static void usage();
static void print_info(struct modinfo *mi);
static void print_cinfo(struct modinfo *mi);
/*
* These functions are in modsubr.c
*/
void fatal(char *fmt, ...);
void error(char *fmt, ...);
/*
* Display information of all loaded modules
*/
int
main(int argc, char *argv[])
{
struct modinfo modinfo;
int info_all = 1;
int id;
int opt;
id = -1; /* assume we're getting all loaded modules */
while ((opt = getopt(argc, argv, "i:wc")) != EOF) {
switch (opt) {
case 'i':
if (sscanf(optarg, "%d", &id) != 1)
fatal("Invalid id %s\n", optarg);
if (id == -1)
id = 0;
info_all = 0;
break;
case 'w':
wide++;
break;
case 'c':
count++;
break;
case '?':
default:
usage();
break;
}
}
/*
* Next id of -1 means we're getting info on all modules.
*/
modinfo.mi_id = modinfo.mi_nextid = id;
modinfo.mi_info = (info_all) ? MI_INFO_ALL : MI_INFO_ONE;
if (count)
modinfo.mi_info |= MI_INFO_CNT;
do {
/*
* Get module information.
* If modinfo.mi_nextid == -1, get info about the
* next installed module with id > "id."
* Otherwise, get info about the module with id == "id."
*/
if (modctl(MODINFO, id, &modinfo) < 0) {
if (!info_all)
error("can't get module information");
break;
}
if (first_mod) {
first_mod = 0;
(void) printf(count ? cheader : header);
}
if (count)
print_cinfo(&modinfo);
else
print_info(&modinfo);
/*
* If we're getting info about all modules, the next one
* we want is the one with an id greater than this one.
*/
id = modinfo.mi_id;
} while (info_all);
return (0);
}
/*
* Display loadcounts.
*/
static void
print_cinfo(struct modinfo *mi)
{
(void) printf("%3d %10d %-32s", mi->mi_id, mi->mi_loadcnt, mi->mi_name);
(void) printf(" %s/%s\n",
mi->mi_state & MI_LOADED ? "LOADED" : "UNLOADED",
mi->mi_state & MI_INSTALLED ? "INSTALLED" : "UNINSTALLED");
}
/*
* Display info about a loaded module.
*
*/
static void
print_info(struct modinfo *mi)
{
int n, p0;
char namebuf[256];
for (n = 0; n < MODMAXLINK; n++) {
if (n > 0 && mi->mi_msinfo[n].msi_linkinfo[0] == '\0')
break;
(void) printf("%3d ", mi->mi_id);
#if defined(_LP64) && !defined(__sparcv9)
(void) printf("%16lx ", (uintptr_t)mi->mi_base);
#else
(void) printf("%8lx ", (uintptr_t)mi->mi_base);
#endif
(void) printf("%6x ", mi->mi_size);
p0 = mi->mi_msinfo[n].msi_p0;
if (p0 != -1)
(void) printf("%3d ", p0);
else
(void) printf(" - ");
(void) printf(" %d ", mi->mi_rev);
mi->mi_name[MODMAXNAMELEN - 1] = '\0';
mi->mi_msinfo[n].msi_linkinfo[MODMAXNAMELEN - 1] = '\0';
if (wide) {
(void) printf("%s (%s)\n", mi->mi_name,
mi->mi_msinfo[n].msi_linkinfo);
} else {
/* snprintf(3c) will always append a null character */
(void) snprintf(namebuf, sizeof (namebuf), "%s (%s)",
mi->mi_name, mi->mi_msinfo[n].msi_linkinfo);
#if defined(_LP64) && !defined(__sparcv9)
(void) printf("%.43s\n", namebuf);
#else
(void) printf("%.51s\n", namebuf);
#endif
}
}
}
static void
usage()
{
fatal("usage: modinfo [-w] [-c] [-i module-id]\n");
}
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