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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 <mdb/mdb_modapi.h>
#include <sys/types.h>
#include <sys/stream.h>
#include <sys/strlog.h>
int
msgbuf(uintptr_t addr, uint_t flags, int argc, const mdb_arg_t *argv)
{
queue_t q;
uintptr_t qp;
mblk_t next;
mblk_t cont;
log_ctl_t lctl;
char line[1024];
uint_t verbose = FALSE;
if (!(flags & DCMD_ADDRSPEC)) {
if (mdb_readsym(&qp, sizeof (qp), "log_recentq") == -1) {
mdb_warn("failed to read log_recent");
return (DCMD_ERR);
}
if (mdb_vread(&q, sizeof (q), qp) == -1) {
mdb_warn("failed to read queue_t at %p", qp);
return (DCMD_ERR);
}
if (mdb_pwalk_dcmd("b_next", "msgbuf", argc, argv,
(uintptr_t)q.q_first) == -1) {
mdb_warn("can't walk 'b_next'");
return (DCMD_ERR);
}
return (DCMD_OK);
}
if (mdb_getopts(argc, argv,
'v', MDB_OPT_SETBITS, TRUE, &verbose, NULL) != argc)
return (DCMD_USAGE);
if (DCMD_HDRSPEC(flags)) {
if (verbose)
mdb_printf("%<u>%20s %?s %-40s%</u>\n",
"TIMESTAMP", "LOGCTL", "MESSAGE");
else
mdb_printf("%<u>%-70s%</u>\n", "MESSAGE");
}
if (mdb_vread(&next, sizeof (next), addr) == -1) {
mdb_warn("failed to read msgb structure at %p", addr);
return (DCMD_ERR);
}
if (mdb_vread(&lctl, sizeof (lctl), (uintptr_t)next.b_rptr) == -1) {
mdb_warn("failed to read log_ctl_t at %p", next.b_rptr);
return (DCMD_ERR);
}
if (mdb_vread(&cont, sizeof (cont), (uintptr_t)next.b_cont) == -1) {
mdb_warn("failed to read msgb structure at %p", next.b_cont);
return (DCMD_ERR);
}
if (mdb_readstr(line, sizeof (line), (uintptr_t)cont.b_rptr) == -1) {
mdb_warn("failed to read string at %p", cont.b_rptr);
return (DCMD_ERR);
}
if (verbose)
mdb_printf("%Y %?p ", lctl.ttime, next.b_rptr);
/* skip leading CR to avoid extra lines */
if (line[0] == 0x0d)
mdb_printf("%s", &line[1]);
else
mdb_printf("%s", &line[0]);
return (DCMD_OK);
}
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