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 57c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 67c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 77c478bd9Sstevel@tonic-gate * with the License. 87c478bd9Sstevel@tonic-gate * 97c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 107c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 117c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 127c478bd9Sstevel@tonic-gate * and limitations under the License. 137c478bd9Sstevel@tonic-gate * 147c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 157c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 167c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 177c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 187c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 197c478bd9Sstevel@tonic-gate * 207c478bd9Sstevel@tonic-gate * CDDL HEADER END 217c478bd9Sstevel@tonic-gate */ 227c478bd9Sstevel@tonic-gate /* 23*89518a1cSdmick * Copyright 2005 Sun Microsystems, Inc. All rights reserved. 247c478bd9Sstevel@tonic-gate * Use is subject to license terms. 257c478bd9Sstevel@tonic-gate */ 267c478bd9Sstevel@tonic-gate 277c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 287c478bd9Sstevel@tonic-gate 297c478bd9Sstevel@tonic-gate /* 307c478bd9Sstevel@tonic-gate * Stubs for basic system services otherwise unavailable to the debugger. 317c478bd9Sstevel@tonic-gate */ 327c478bd9Sstevel@tonic-gate 337c478bd9Sstevel@tonic-gate #include <stdlib.h> 347c478bd9Sstevel@tonic-gate #include <unistd.h> 357c478bd9Sstevel@tonic-gate #include <libproc.h> 367c478bd9Sstevel@tonic-gate #include <sys/time.h> 377c478bd9Sstevel@tonic-gate 387c478bd9Sstevel@tonic-gate #include <kmdb/kmdb_dpi.h> 397c478bd9Sstevel@tonic-gate #include <kmdb/kmdb_promif.h> 407c478bd9Sstevel@tonic-gate #include <mdb/mdb_debug.h> 417c478bd9Sstevel@tonic-gate #include <mdb/mdb_signal.h> 427c478bd9Sstevel@tonic-gate #include <mdb/mdb_io_impl.h> 437c478bd9Sstevel@tonic-gate #include <mdb/mdb.h> 447c478bd9Sstevel@tonic-gate 457c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 467c478bd9Sstevel@tonic-gate char * 477c478bd9Sstevel@tonic-gate getenv(const char *name) 487c478bd9Sstevel@tonic-gate { 497c478bd9Sstevel@tonic-gate /* There aren't any environment variables here */ 507c478bd9Sstevel@tonic-gate return (NULL); 517c478bd9Sstevel@tonic-gate } 527c478bd9Sstevel@tonic-gate 537c478bd9Sstevel@tonic-gate char * 547c478bd9Sstevel@tonic-gate strerror(int errnum) 557c478bd9Sstevel@tonic-gate { 567c478bd9Sstevel@tonic-gate static char errnostr[16]; 577c478bd9Sstevel@tonic-gate 587c478bd9Sstevel@tonic-gate (void) mdb_snprintf(errnostr, sizeof (errnostr), "Error %d", errnum); 597c478bd9Sstevel@tonic-gate 607c478bd9Sstevel@tonic-gate return (errnostr); 617c478bd9Sstevel@tonic-gate } 627c478bd9Sstevel@tonic-gate 637c478bd9Sstevel@tonic-gate pid_t 647c478bd9Sstevel@tonic-gate getpid(void) 657c478bd9Sstevel@tonic-gate { 667c478bd9Sstevel@tonic-gate return (1); 677c478bd9Sstevel@tonic-gate } 687c478bd9Sstevel@tonic-gate 697c478bd9Sstevel@tonic-gate /* 707c478bd9Sstevel@tonic-gate * We're trying to isolate ourselves from the rest of the world as much as 717c478bd9Sstevel@tonic-gate * possible, so we can't rely on the time in the kernel proper. For now, we 727c478bd9Sstevel@tonic-gate * just bump a counter whenever time is requested, thus guaranteeing that 737c478bd9Sstevel@tonic-gate * things with timestamps can be compared according to order of occurrance. 747c478bd9Sstevel@tonic-gate */ 757c478bd9Sstevel@tonic-gate hrtime_t 767c478bd9Sstevel@tonic-gate gethrtime(void) 777c478bd9Sstevel@tonic-gate { 787c478bd9Sstevel@tonic-gate static hrtime_t kmdb_timestamp; 797c478bd9Sstevel@tonic-gate 807c478bd9Sstevel@tonic-gate return (++kmdb_timestamp); 817c478bd9Sstevel@tonic-gate } 827c478bd9Sstevel@tonic-gate 837c478bd9Sstevel@tonic-gate /* 847c478bd9Sstevel@tonic-gate * Signal handling 857c478bd9Sstevel@tonic-gate */ 867c478bd9Sstevel@tonic-gate 877c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 887c478bd9Sstevel@tonic-gate int 897c478bd9Sstevel@tonic-gate sigemptyset(sigset_t *set) 907c478bd9Sstevel@tonic-gate { 917c478bd9Sstevel@tonic-gate return (0); 927c478bd9Sstevel@tonic-gate } 937c478bd9Sstevel@tonic-gate 947c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 957c478bd9Sstevel@tonic-gate int 967c478bd9Sstevel@tonic-gate sigaddset(sigset_t *set, int signo) 977c478bd9Sstevel@tonic-gate { 987c478bd9Sstevel@tonic-gate return (0); 997c478bd9Sstevel@tonic-gate } 1007c478bd9Sstevel@tonic-gate 1017c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1027c478bd9Sstevel@tonic-gate int 1037c478bd9Sstevel@tonic-gate sigfillset(sigset_t *set) 1047c478bd9Sstevel@tonic-gate { 1057c478bd9Sstevel@tonic-gate return (0); 1067c478bd9Sstevel@tonic-gate } 1077c478bd9Sstevel@tonic-gate 1087c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1097c478bd9Sstevel@tonic-gate int 1107c478bd9Sstevel@tonic-gate sigprocmask(int how, const sigset_t *set, sigset_t *oset) 1117c478bd9Sstevel@tonic-gate { 1127c478bd9Sstevel@tonic-gate return (0); 1137c478bd9Sstevel@tonic-gate } 1147c478bd9Sstevel@tonic-gate 1157c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1167c478bd9Sstevel@tonic-gate int 1177c478bd9Sstevel@tonic-gate sigaction(int sig, const struct sigaction *act, struct sigaction *oact) 1187c478bd9Sstevel@tonic-gate { 1197c478bd9Sstevel@tonic-gate return (0); 1207c478bd9Sstevel@tonic-gate } 1217c478bd9Sstevel@tonic-gate 1227c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1237c478bd9Sstevel@tonic-gate int 1247c478bd9Sstevel@tonic-gate kill(pid_t pid, int sig) 1257c478bd9Sstevel@tonic-gate { 1267c478bd9Sstevel@tonic-gate if (sig == SIGABRT) { 1277c478bd9Sstevel@tonic-gate mdb_printf("Debugger aborted\n"); 1287c478bd9Sstevel@tonic-gate exit(1); 1297c478bd9Sstevel@tonic-gate } 1307c478bd9Sstevel@tonic-gate 1317c478bd9Sstevel@tonic-gate return (0); 1327c478bd9Sstevel@tonic-gate } 1337c478bd9Sstevel@tonic-gate 1347c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1357c478bd9Sstevel@tonic-gate int 1367c478bd9Sstevel@tonic-gate proc_str2flt(const char *buf, int *ptr) 1377c478bd9Sstevel@tonic-gate { 1387c478bd9Sstevel@tonic-gate return (-1); 1397c478bd9Sstevel@tonic-gate } 1407c478bd9Sstevel@tonic-gate 1417c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1427c478bd9Sstevel@tonic-gate int 1437c478bd9Sstevel@tonic-gate proc_str2sig(const char *buf, int *ptr) 1447c478bd9Sstevel@tonic-gate { 1457c478bd9Sstevel@tonic-gate return (-1); 1467c478bd9Sstevel@tonic-gate } 1477c478bd9Sstevel@tonic-gate 1487c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1497c478bd9Sstevel@tonic-gate int 1507c478bd9Sstevel@tonic-gate proc_str2sys(const char *buf, int *ptr) 1517c478bd9Sstevel@tonic-gate { 1527c478bd9Sstevel@tonic-gate return (-1); 1537c478bd9Sstevel@tonic-gate } 1547c478bd9Sstevel@tonic-gate 1557c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 1567c478bd9Sstevel@tonic-gate void 1577c478bd9Sstevel@tonic-gate exit(int status) 1587c478bd9Sstevel@tonic-gate { 1597c478bd9Sstevel@tonic-gate #ifdef __sparc 160*89518a1cSdmick extern void kmdb_prom_exit_to_mon(void) __NORETURN; 161*89518a1cSdmick 1627c478bd9Sstevel@tonic-gate kmdb_prom_exit_to_mon(); 1637c478bd9Sstevel@tonic-gate #else 1647c478bd9Sstevel@tonic-gate extern void kmdb_dpi_reboot(void) __NORETURN; 1657c478bd9Sstevel@tonic-gate static int recurse = 0; 1667c478bd9Sstevel@tonic-gate 1677c478bd9Sstevel@tonic-gate if (!recurse) { 1687c478bd9Sstevel@tonic-gate char c; 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); 1747c478bd9Sstevel@tonic-gate 1757c478bd9Sstevel@tonic-gate while (IOP_READ(mdb.m_term, &c, 1) != 1) 1767c478bd9Sstevel@tonic-gate continue; 1777c478bd9Sstevel@tonic-gate mdb_iob_printf(mdb.m_out, "%c%s", c, (c == '\n' ? "" : "\n")); 1787c478bd9Sstevel@tonic-gate } 1797c478bd9Sstevel@tonic-gate 1807c478bd9Sstevel@tonic-gate kmdb_dpi_reboot(); 1817c478bd9Sstevel@tonic-gate #endif 1827c478bd9Sstevel@tonic-gate } 183