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 #pragma ident "%Z%%M% %I% %E% SMI" 277c478bd9Sstevel@tonic-gate 287c478bd9Sstevel@tonic-gate /* 297c478bd9Sstevel@tonic-gate * Stubs for basic system services otherwise unavailable to the debugger. 307c478bd9Sstevel@tonic-gate */ 317c478bd9Sstevel@tonic-gate 327c478bd9Sstevel@tonic-gate #include <stdlib.h> 337c478bd9Sstevel@tonic-gate #include <unistd.h> 347c478bd9Sstevel@tonic-gate #include <libproc.h> 357c478bd9Sstevel@tonic-gate #include <sys/time.h> 36dc0093f4Seschrock #include <sys/utsname.h> 377c478bd9Sstevel@tonic-gate 387c478bd9Sstevel@tonic-gate #include <kmdb/kmdb_dpi.h> 397c478bd9Sstevel@tonic-gate #include <kmdb/kmdb_promif.h> 40*c7bf3205Sjohnlev #include <kmdb/kmdb_io.h> 417c478bd9Sstevel@tonic-gate #include <mdb/mdb_debug.h> 427c478bd9Sstevel@tonic-gate #include <mdb/mdb_signal.h> 437c478bd9Sstevel@tonic-gate #include <mdb/mdb_io_impl.h> 447c478bd9Sstevel@tonic-gate #include <mdb/mdb.h> 457c478bd9Sstevel@tonic-gate 467c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 477c478bd9Sstevel@tonic-gate char * 487c478bd9Sstevel@tonic-gate getenv(const char *name) 497c478bd9Sstevel@tonic-gate { 507c478bd9Sstevel@tonic-gate /* There aren't any environment variables here */ 517c478bd9Sstevel@tonic-gate return (NULL); 527c478bd9Sstevel@tonic-gate } 537c478bd9Sstevel@tonic-gate 547c478bd9Sstevel@tonic-gate char * 557c478bd9Sstevel@tonic-gate strerror(int errnum) 567c478bd9Sstevel@tonic-gate { 577c478bd9Sstevel@tonic-gate static char errnostr[16]; 587c478bd9Sstevel@tonic-gate 597c478bd9Sstevel@tonic-gate (void) mdb_snprintf(errnostr, sizeof (errnostr), "Error %d", errnum); 607c478bd9Sstevel@tonic-gate 617c478bd9Sstevel@tonic-gate return (errnostr); 627c478bd9Sstevel@tonic-gate } 637c478bd9Sstevel@tonic-gate 647c478bd9Sstevel@tonic-gate pid_t 657c478bd9Sstevel@tonic-gate getpid(void) 667c478bd9Sstevel@tonic-gate { 677c478bd9Sstevel@tonic-gate return (1); 687c478bd9Sstevel@tonic-gate } 697c478bd9Sstevel@tonic-gate 707c478bd9Sstevel@tonic-gate /* 717c478bd9Sstevel@tonic-gate * We're trying to isolate ourselves from the rest of the world as much as 727c478bd9Sstevel@tonic-gate * possible, so we can't rely on the time in the kernel proper. For now, we 737c478bd9Sstevel@tonic-gate * just bump a counter whenever time is requested, thus guaranteeing that 747c478bd9Sstevel@tonic-gate * things with timestamps can be compared according to order of occurrance. 757c478bd9Sstevel@tonic-gate */ 767c478bd9Sstevel@tonic-gate hrtime_t 777c478bd9Sstevel@tonic-gate gethrtime(void) 787c478bd9Sstevel@tonic-gate { 797c478bd9Sstevel@tonic-gate static hrtime_t kmdb_timestamp; 807c478bd9Sstevel@tonic-gate 817c478bd9Sstevel@tonic-gate return (++kmdb_timestamp); 827c478bd9Sstevel@tonic-gate } 837c478bd9Sstevel@tonic-gate 847c478bd9Sstevel@tonic-gate /* 857c478bd9Sstevel@tonic-gate * Signal handling 867c478bd9Sstevel@tonic-gate */ 877c478bd9Sstevel@tonic-gate 887c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 897c478bd9Sstevel@tonic-gate int 907c478bd9Sstevel@tonic-gate sigemptyset(sigset_t *set) 917c478bd9Sstevel@tonic-gate { 927c478bd9Sstevel@tonic-gate return (0); 937c478bd9Sstevel@tonic-gate } 947c478bd9Sstevel@tonic-gate 957c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 967c478bd9Sstevel@tonic-gate int 977c478bd9Sstevel@tonic-gate sigaddset(sigset_t *set, int signo) 987c478bd9Sstevel@tonic-gate { 997c478bd9Sstevel@tonic-gate return (0); 1007c478bd9Sstevel@tonic-gate } 1017c478bd9Sstevel@tonic-gate 1027c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1037c478bd9Sstevel@tonic-gate int 1047c478bd9Sstevel@tonic-gate sigfillset(sigset_t *set) 1057c478bd9Sstevel@tonic-gate { 1067c478bd9Sstevel@tonic-gate return (0); 1077c478bd9Sstevel@tonic-gate } 1087c478bd9Sstevel@tonic-gate 1097c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1107c478bd9Sstevel@tonic-gate int 1117c478bd9Sstevel@tonic-gate sigprocmask(int how, const sigset_t *set, sigset_t *oset) 1127c478bd9Sstevel@tonic-gate { 1137c478bd9Sstevel@tonic-gate return (0); 1147c478bd9Sstevel@tonic-gate } 1157c478bd9Sstevel@tonic-gate 1167c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1177c478bd9Sstevel@tonic-gate int 1187c478bd9Sstevel@tonic-gate sigaction(int sig, const struct sigaction *act, struct sigaction *oact) 1197c478bd9Sstevel@tonic-gate { 1207c478bd9Sstevel@tonic-gate return (0); 1217c478bd9Sstevel@tonic-gate } 1227c478bd9Sstevel@tonic-gate 1237c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1247c478bd9Sstevel@tonic-gate int 1257c478bd9Sstevel@tonic-gate kill(pid_t pid, int sig) 1267c478bd9Sstevel@tonic-gate { 1277c478bd9Sstevel@tonic-gate if (sig == SIGABRT) { 1287c478bd9Sstevel@tonic-gate mdb_printf("Debugger aborted\n"); 1297c478bd9Sstevel@tonic-gate exit(1); 1307c478bd9Sstevel@tonic-gate } 1317c478bd9Sstevel@tonic-gate 1327c478bd9Sstevel@tonic-gate return (0); 1337c478bd9Sstevel@tonic-gate } 1347c478bd9Sstevel@tonic-gate 1357c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1367c478bd9Sstevel@tonic-gate int 1377c478bd9Sstevel@tonic-gate proc_str2flt(const char *buf, int *ptr) 1387c478bd9Sstevel@tonic-gate { 1397c478bd9Sstevel@tonic-gate return (-1); 1407c478bd9Sstevel@tonic-gate } 1417c478bd9Sstevel@tonic-gate 1427c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1437c478bd9Sstevel@tonic-gate int 1447c478bd9Sstevel@tonic-gate proc_str2sig(const char *buf, int *ptr) 1457c478bd9Sstevel@tonic-gate { 1467c478bd9Sstevel@tonic-gate return (-1); 1477c478bd9Sstevel@tonic-gate } 1487c478bd9Sstevel@tonic-gate 1497c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1507c478bd9Sstevel@tonic-gate int 1517c478bd9Sstevel@tonic-gate proc_str2sys(const char *buf, int *ptr) 1527c478bd9Sstevel@tonic-gate { 1537c478bd9Sstevel@tonic-gate return (-1); 1547c478bd9Sstevel@tonic-gate } 1557c478bd9Sstevel@tonic-gate 1567c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1577c478bd9Sstevel@tonic-gate void 1587c478bd9Sstevel@tonic-gate exit(int status) 1597c478bd9Sstevel@tonic-gate { 1607c478bd9Sstevel@tonic-gate #ifdef __sparc 16189518a1cSdmick extern void kmdb_prom_exit_to_mon(void) __NORETURN; 16289518a1cSdmick 1637c478bd9Sstevel@tonic-gate kmdb_prom_exit_to_mon(); 1647c478bd9Sstevel@tonic-gate #else 1657c478bd9Sstevel@tonic-gate extern void kmdb_dpi_reboot(void) __NORETURN; 1667c478bd9Sstevel@tonic-gate static int recurse = 0; 1677c478bd9Sstevel@tonic-gate 1687c478bd9Sstevel@tonic-gate if (!recurse) { 1697c478bd9Sstevel@tonic-gate 1707c478bd9Sstevel@tonic-gate recurse = 1; 1717c478bd9Sstevel@tonic-gate 1727c478bd9Sstevel@tonic-gate mdb_iob_printf(mdb.m_out, "Press any key to reboot\n"); 1737c478bd9Sstevel@tonic-gate mdb_iob_flush(mdb.m_out); 174*c7bf3205Sjohnlev mdb_iob_clearlines(mdb.m_out); 1757c478bd9Sstevel@tonic-gate 176*c7bf3205Sjohnlev (void) kmdb_getchar(); 1777c478bd9Sstevel@tonic-gate } 1787c478bd9Sstevel@tonic-gate 1797c478bd9Sstevel@tonic-gate kmdb_dpi_reboot(); 1807c478bd9Sstevel@tonic-gate #endif 1817c478bd9Sstevel@tonic-gate } 182dc0093f4Seschrock 183dc0093f4Seschrock #if defined(__i386) && !defined(__amd64) 184dc0093f4Seschrock /*ARGSUSED*/ 185dc0093f4Seschrock int 186dc0093f4Seschrock _nuname(struct utsname *buf) 187dc0093f4Seschrock { 188dc0093f4Seschrock return (-1); 189dc0093f4Seschrock } 190dc0093f4Seschrock #endif 191