17c478bd9Sstevel@tonic-gate /*
27c478bd9Sstevel@tonic-gate * CDDL HEADER START
37c478bd9Sstevel@tonic-gate *
47c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the
5dc0093f4Seschrock * Common Development and Distribution License (the "License").
6dc0093f4Seschrock * You may not use this file except in compliance with the License.
77c478bd9Sstevel@tonic-gate *
87c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
97c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing.
107c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions
117c478bd9Sstevel@tonic-gate * and limitations under the License.
127c478bd9Sstevel@tonic-gate *
137c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each
147c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
157c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the
167c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying
177c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner]
187c478bd9Sstevel@tonic-gate *
197c478bd9Sstevel@tonic-gate * CDDL HEADER END
207c478bd9Sstevel@tonic-gate */
217c478bd9Sstevel@tonic-gate /*
22dc0093f4Seschrock * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
237c478bd9Sstevel@tonic-gate * Use is subject to license terms.
247c478bd9Sstevel@tonic-gate */
257c478bd9Sstevel@tonic-gate
267c478bd9Sstevel@tonic-gate /*
277c478bd9Sstevel@tonic-gate * Stubs for basic system services otherwise unavailable to the debugger.
287c478bd9Sstevel@tonic-gate */
297c478bd9Sstevel@tonic-gate
307c478bd9Sstevel@tonic-gate #include <stdlib.h>
317c478bd9Sstevel@tonic-gate #include <unistd.h>
327c478bd9Sstevel@tonic-gate #include <libproc.h>
337c478bd9Sstevel@tonic-gate #include <sys/time.h>
347c478bd9Sstevel@tonic-gate
357c478bd9Sstevel@tonic-gate #include <kmdb/kmdb_dpi.h>
367c478bd9Sstevel@tonic-gate #include <kmdb/kmdb_promif.h>
37*c7bf3205Sjohnlev #include <kmdb/kmdb_io.h>
387c478bd9Sstevel@tonic-gate #include <mdb/mdb_debug.h>
397c478bd9Sstevel@tonic-gate #include <mdb/mdb_signal.h>
407c478bd9Sstevel@tonic-gate #include <mdb/mdb_io_impl.h>
417c478bd9Sstevel@tonic-gate #include <mdb/mdb.h>
427c478bd9Sstevel@tonic-gate
437c478bd9Sstevel@tonic-gate /*ARGSUSED*/
447c478bd9Sstevel@tonic-gate char *
getenv(const char * name)457c478bd9Sstevel@tonic-gate getenv(const char *name)
467c478bd9Sstevel@tonic-gate {
477c478bd9Sstevel@tonic-gate /* There aren't any environment variables here */
487c478bd9Sstevel@tonic-gate return (NULL);
497c478bd9Sstevel@tonic-gate }
507c478bd9Sstevel@tonic-gate
517c478bd9Sstevel@tonic-gate char *
strerror(int errnum)527c478bd9Sstevel@tonic-gate strerror(int errnum)
537c478bd9Sstevel@tonic-gate {
547c478bd9Sstevel@tonic-gate static char errnostr[16];
557c478bd9Sstevel@tonic-gate
567c478bd9Sstevel@tonic-gate (void) mdb_snprintf(errnostr, sizeof (errnostr), "Error %d", errnum);
577c478bd9Sstevel@tonic-gate
587c478bd9Sstevel@tonic-gate return (errnostr);
597c478bd9Sstevel@tonic-gate }
607c478bd9Sstevel@tonic-gate
617c478bd9Sstevel@tonic-gate pid_t
getpid(void)627c478bd9Sstevel@tonic-gate getpid(void)
637c478bd9Sstevel@tonic-gate {
647c478bd9Sstevel@tonic-gate return (1);
657c478bd9Sstevel@tonic-gate }
667c478bd9Sstevel@tonic-gate
677c478bd9Sstevel@tonic-gate /*
687c478bd9Sstevel@tonic-gate * We're trying to isolate ourselves from the rest of the world as much as
697c478bd9Sstevel@tonic-gate * possible, so we can't rely on the time in the kernel proper. For now, we
707c478bd9Sstevel@tonic-gate * just bump a counter whenever time is requested, thus guaranteeing that
717c478bd9Sstevel@tonic-gate * things with timestamps can be compared according to order of occurrance.
727c478bd9Sstevel@tonic-gate */
737c478bd9Sstevel@tonic-gate hrtime_t
gethrtime(void)747c478bd9Sstevel@tonic-gate gethrtime(void)
757c478bd9Sstevel@tonic-gate {
767c478bd9Sstevel@tonic-gate static hrtime_t kmdb_timestamp;
777c478bd9Sstevel@tonic-gate
787c478bd9Sstevel@tonic-gate return (++kmdb_timestamp);
797c478bd9Sstevel@tonic-gate }
807c478bd9Sstevel@tonic-gate
817c478bd9Sstevel@tonic-gate /*
827c478bd9Sstevel@tonic-gate * Signal handling
837c478bd9Sstevel@tonic-gate */
847c478bd9Sstevel@tonic-gate
857c478bd9Sstevel@tonic-gate /*ARGSUSED*/
867c478bd9Sstevel@tonic-gate int
sigemptyset(sigset_t * set)877c478bd9Sstevel@tonic-gate sigemptyset(sigset_t *set)
887c478bd9Sstevel@tonic-gate {
897c478bd9Sstevel@tonic-gate return (0);
907c478bd9Sstevel@tonic-gate }
917c478bd9Sstevel@tonic-gate
927c478bd9Sstevel@tonic-gate /*ARGSUSED*/
937c478bd9Sstevel@tonic-gate int
sigaddset(sigset_t * set,int signo)947c478bd9Sstevel@tonic-gate sigaddset(sigset_t *set, int signo)
957c478bd9Sstevel@tonic-gate {
967c478bd9Sstevel@tonic-gate return (0);
977c478bd9Sstevel@tonic-gate }
987c478bd9Sstevel@tonic-gate
997c478bd9Sstevel@tonic-gate /*ARGSUSED*/
1007c478bd9Sstevel@tonic-gate int
sigfillset(sigset_t * set)1017c478bd9Sstevel@tonic-gate sigfillset(sigset_t *set)
1027c478bd9Sstevel@tonic-gate {
1037c478bd9Sstevel@tonic-gate return (0);
1047c478bd9Sstevel@tonic-gate }
1057c478bd9Sstevel@tonic-gate
1067c478bd9Sstevel@tonic-gate /*ARGSUSED*/
1077c478bd9Sstevel@tonic-gate int
sigprocmask(int how,const sigset_t * set,sigset_t * oset)1087c478bd9Sstevel@tonic-gate sigprocmask(int how, const sigset_t *set, sigset_t *oset)
1097c478bd9Sstevel@tonic-gate {
1107c478bd9Sstevel@tonic-gate return (0);
1117c478bd9Sstevel@tonic-gate }
1127c478bd9Sstevel@tonic-gate
1137c478bd9Sstevel@tonic-gate /*ARGSUSED*/
1147c478bd9Sstevel@tonic-gate int
sigaction(int sig,const struct sigaction * act,struct sigaction * oact)1157c478bd9Sstevel@tonic-gate sigaction(int sig, const struct sigaction *act, struct sigaction *oact)
1167c478bd9Sstevel@tonic-gate {
1177c478bd9Sstevel@tonic-gate return (0);
1187c478bd9Sstevel@tonic-gate }
1197c478bd9Sstevel@tonic-gate
1207c478bd9Sstevel@tonic-gate /*ARGSUSED*/
1217c478bd9Sstevel@tonic-gate int
kill(pid_t pid,int sig)1227c478bd9Sstevel@tonic-gate kill(pid_t pid, int sig)
1237c478bd9Sstevel@tonic-gate {
1247c478bd9Sstevel@tonic-gate if (sig == SIGABRT) {
1257c478bd9Sstevel@tonic-gate mdb_printf("Debugger aborted\n");
1267c478bd9Sstevel@tonic-gate exit(1);
1277c478bd9Sstevel@tonic-gate }
1287c478bd9Sstevel@tonic-gate
1297c478bd9Sstevel@tonic-gate return (0);
1307c478bd9Sstevel@tonic-gate }
1317c478bd9Sstevel@tonic-gate
1327c478bd9Sstevel@tonic-gate /*ARGSUSED*/
1337c478bd9Sstevel@tonic-gate int
proc_str2flt(const char * buf,int * ptr)1347c478bd9Sstevel@tonic-gate proc_str2flt(const char *buf, int *ptr)
1357c478bd9Sstevel@tonic-gate {
1367c478bd9Sstevel@tonic-gate return (-1);
1377c478bd9Sstevel@tonic-gate }
1387c478bd9Sstevel@tonic-gate
1397c478bd9Sstevel@tonic-gate /*ARGSUSED*/
1407c478bd9Sstevel@tonic-gate int
proc_str2sig(const char * buf,int * ptr)1417c478bd9Sstevel@tonic-gate proc_str2sig(const char *buf, int *ptr)
1427c478bd9Sstevel@tonic-gate {
1437c478bd9Sstevel@tonic-gate return (-1);
1447c478bd9Sstevel@tonic-gate }
1457c478bd9Sstevel@tonic-gate
1467c478bd9Sstevel@tonic-gate /*ARGSUSED*/
1477c478bd9Sstevel@tonic-gate int
proc_str2sys(const char * buf,int * ptr)1487c478bd9Sstevel@tonic-gate proc_str2sys(const char *buf, int *ptr)
1497c478bd9Sstevel@tonic-gate {
1507c478bd9Sstevel@tonic-gate return (-1);
1517c478bd9Sstevel@tonic-gate }
1527c478bd9Sstevel@tonic-gate
1537c478bd9Sstevel@tonic-gate /*ARGSUSED*/
1547c478bd9Sstevel@tonic-gate void
exit(int status)1557c478bd9Sstevel@tonic-gate exit(int status)
1567c478bd9Sstevel@tonic-gate {
1577c478bd9Sstevel@tonic-gate #ifdef __sparc
15889518a1cSdmick extern void kmdb_prom_exit_to_mon(void) __NORETURN;
15989518a1cSdmick
1607c478bd9Sstevel@tonic-gate kmdb_prom_exit_to_mon();
1617c478bd9Sstevel@tonic-gate #else
1627c478bd9Sstevel@tonic-gate extern void kmdb_dpi_reboot(void) __NORETURN;
1637c478bd9Sstevel@tonic-gate static int recurse = 0;
1647c478bd9Sstevel@tonic-gate
1657c478bd9Sstevel@tonic-gate if (!recurse) {
1667c478bd9Sstevel@tonic-gate
1677c478bd9Sstevel@tonic-gate recurse = 1;
1687c478bd9Sstevel@tonic-gate
1697c478bd9Sstevel@tonic-gate mdb_iob_printf(mdb.m_out, "Press any key to reboot\n");
1707c478bd9Sstevel@tonic-gate mdb_iob_flush(mdb.m_out);
171*c7bf3205Sjohnlev mdb_iob_clearlines(mdb.m_out);
1727c478bd9Sstevel@tonic-gate
173*c7bf3205Sjohnlev (void) kmdb_getchar();
1747c478bd9Sstevel@tonic-gate }
1757c478bd9Sstevel@tonic-gate
1767c478bd9Sstevel@tonic-gate kmdb_dpi_reboot();
1777c478bd9Sstevel@tonic-gate #endif
1787c478bd9Sstevel@tonic-gate }
179