1*7c478bd9Sstevel@tonic-gate /* 2*7c478bd9Sstevel@tonic-gate * CDDL HEADER START 3*7c478bd9Sstevel@tonic-gate * 4*7c478bd9Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*7c478bd9Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*7c478bd9Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*7c478bd9Sstevel@tonic-gate * with the License. 8*7c478bd9Sstevel@tonic-gate * 9*7c478bd9Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*7c478bd9Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*7c478bd9Sstevel@tonic-gate * See the License for the specific language governing permissions 12*7c478bd9Sstevel@tonic-gate * and limitations under the License. 13*7c478bd9Sstevel@tonic-gate * 14*7c478bd9Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*7c478bd9Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*7c478bd9Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*7c478bd9Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*7c478bd9Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*7c478bd9Sstevel@tonic-gate * 20*7c478bd9Sstevel@tonic-gate * CDDL HEADER END 21*7c478bd9Sstevel@tonic-gate */ 22*7c478bd9Sstevel@tonic-gate /* 23*7c478bd9Sstevel@tonic-gate * Copyright 2004 Sun Microsystems, Inc. All rights reserved. 24*7c478bd9Sstevel@tonic-gate * Use is subject to license terms. 25*7c478bd9Sstevel@tonic-gate */ 26*7c478bd9Sstevel@tonic-gate 27*7c478bd9Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*7c478bd9Sstevel@tonic-gate 29*7c478bd9Sstevel@tonic-gate /* 30*7c478bd9Sstevel@tonic-gate * Stubs for basic system services otherwise unavailable to the debugger. 31*7c478bd9Sstevel@tonic-gate */ 32*7c478bd9Sstevel@tonic-gate 33*7c478bd9Sstevel@tonic-gate #include <stdlib.h> 34*7c478bd9Sstevel@tonic-gate #include <unistd.h> 35*7c478bd9Sstevel@tonic-gate #include <libproc.h> 36*7c478bd9Sstevel@tonic-gate #include <sys/time.h> 37*7c478bd9Sstevel@tonic-gate 38*7c478bd9Sstevel@tonic-gate #include <kmdb/kmdb_dpi.h> 39*7c478bd9Sstevel@tonic-gate #include <kmdb/kmdb_promif.h> 40*7c478bd9Sstevel@tonic-gate #include <mdb/mdb_debug.h> 41*7c478bd9Sstevel@tonic-gate #include <mdb/mdb_signal.h> 42*7c478bd9Sstevel@tonic-gate #include <mdb/mdb_io_impl.h> 43*7c478bd9Sstevel@tonic-gate #include <mdb/mdb.h> 44*7c478bd9Sstevel@tonic-gate 45*7c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 46*7c478bd9Sstevel@tonic-gate char * 47*7c478bd9Sstevel@tonic-gate getenv(const char *name) 48*7c478bd9Sstevel@tonic-gate { 49*7c478bd9Sstevel@tonic-gate /* There aren't any environment variables here */ 50*7c478bd9Sstevel@tonic-gate return (NULL); 51*7c478bd9Sstevel@tonic-gate } 52*7c478bd9Sstevel@tonic-gate 53*7c478bd9Sstevel@tonic-gate char * 54*7c478bd9Sstevel@tonic-gate strerror(int errnum) 55*7c478bd9Sstevel@tonic-gate { 56*7c478bd9Sstevel@tonic-gate static char errnostr[16]; 57*7c478bd9Sstevel@tonic-gate 58*7c478bd9Sstevel@tonic-gate (void) mdb_snprintf(errnostr, sizeof (errnostr), "Error %d", errnum); 59*7c478bd9Sstevel@tonic-gate 60*7c478bd9Sstevel@tonic-gate return (errnostr); 61*7c478bd9Sstevel@tonic-gate } 62*7c478bd9Sstevel@tonic-gate 63*7c478bd9Sstevel@tonic-gate pid_t 64*7c478bd9Sstevel@tonic-gate getpid(void) 65*7c478bd9Sstevel@tonic-gate { 66*7c478bd9Sstevel@tonic-gate return (1); 67*7c478bd9Sstevel@tonic-gate } 68*7c478bd9Sstevel@tonic-gate 69*7c478bd9Sstevel@tonic-gate /* 70*7c478bd9Sstevel@tonic-gate * We're trying to isolate ourselves from the rest of the world as much as 71*7c478bd9Sstevel@tonic-gate * possible, so we can't rely on the time in the kernel proper. For now, we 72*7c478bd9Sstevel@tonic-gate * just bump a counter whenever time is requested, thus guaranteeing that 73*7c478bd9Sstevel@tonic-gate * things with timestamps can be compared according to order of occurrance. 74*7c478bd9Sstevel@tonic-gate */ 75*7c478bd9Sstevel@tonic-gate hrtime_t 76*7c478bd9Sstevel@tonic-gate gethrtime(void) 77*7c478bd9Sstevel@tonic-gate { 78*7c478bd9Sstevel@tonic-gate static hrtime_t kmdb_timestamp; 79*7c478bd9Sstevel@tonic-gate 80*7c478bd9Sstevel@tonic-gate return (++kmdb_timestamp); 81*7c478bd9Sstevel@tonic-gate } 82*7c478bd9Sstevel@tonic-gate 83*7c478bd9Sstevel@tonic-gate /* 84*7c478bd9Sstevel@tonic-gate * Signal handling 85*7c478bd9Sstevel@tonic-gate */ 86*7c478bd9Sstevel@tonic-gate 87*7c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 88*7c478bd9Sstevel@tonic-gate int 89*7c478bd9Sstevel@tonic-gate sigemptyset(sigset_t *set) 90*7c478bd9Sstevel@tonic-gate { 91*7c478bd9Sstevel@tonic-gate return (0); 92*7c478bd9Sstevel@tonic-gate } 93*7c478bd9Sstevel@tonic-gate 94*7c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 95*7c478bd9Sstevel@tonic-gate int 96*7c478bd9Sstevel@tonic-gate sigaddset(sigset_t *set, int signo) 97*7c478bd9Sstevel@tonic-gate { 98*7c478bd9Sstevel@tonic-gate return (0); 99*7c478bd9Sstevel@tonic-gate } 100*7c478bd9Sstevel@tonic-gate 101*7c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 102*7c478bd9Sstevel@tonic-gate int 103*7c478bd9Sstevel@tonic-gate sigfillset(sigset_t *set) 104*7c478bd9Sstevel@tonic-gate { 105*7c478bd9Sstevel@tonic-gate return (0); 106*7c478bd9Sstevel@tonic-gate } 107*7c478bd9Sstevel@tonic-gate 108*7c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 109*7c478bd9Sstevel@tonic-gate int 110*7c478bd9Sstevel@tonic-gate sigprocmask(int how, const sigset_t *set, sigset_t *oset) 111*7c478bd9Sstevel@tonic-gate { 112*7c478bd9Sstevel@tonic-gate return (0); 113*7c478bd9Sstevel@tonic-gate } 114*7c478bd9Sstevel@tonic-gate 115*7c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 116*7c478bd9Sstevel@tonic-gate int 117*7c478bd9Sstevel@tonic-gate sigaction(int sig, const struct sigaction *act, struct sigaction *oact) 118*7c478bd9Sstevel@tonic-gate { 119*7c478bd9Sstevel@tonic-gate return (0); 120*7c478bd9Sstevel@tonic-gate } 121*7c478bd9Sstevel@tonic-gate 122*7c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 123*7c478bd9Sstevel@tonic-gate int 124*7c478bd9Sstevel@tonic-gate kill(pid_t pid, int sig) 125*7c478bd9Sstevel@tonic-gate { 126*7c478bd9Sstevel@tonic-gate if (sig == SIGABRT) { 127*7c478bd9Sstevel@tonic-gate mdb_printf("Debugger aborted\n"); 128*7c478bd9Sstevel@tonic-gate exit(1); 129*7c478bd9Sstevel@tonic-gate } 130*7c478bd9Sstevel@tonic-gate 131*7c478bd9Sstevel@tonic-gate return (0); 132*7c478bd9Sstevel@tonic-gate } 133*7c478bd9Sstevel@tonic-gate 134*7c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 135*7c478bd9Sstevel@tonic-gate int 136*7c478bd9Sstevel@tonic-gate proc_str2flt(const char *buf, int *ptr) 137*7c478bd9Sstevel@tonic-gate { 138*7c478bd9Sstevel@tonic-gate return (-1); 139*7c478bd9Sstevel@tonic-gate } 140*7c478bd9Sstevel@tonic-gate 141*7c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 142*7c478bd9Sstevel@tonic-gate int 143*7c478bd9Sstevel@tonic-gate proc_str2sig(const char *buf, int *ptr) 144*7c478bd9Sstevel@tonic-gate { 145*7c478bd9Sstevel@tonic-gate return (-1); 146*7c478bd9Sstevel@tonic-gate } 147*7c478bd9Sstevel@tonic-gate 148*7c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 149*7c478bd9Sstevel@tonic-gate int 150*7c478bd9Sstevel@tonic-gate proc_str2sys(const char *buf, int *ptr) 151*7c478bd9Sstevel@tonic-gate { 152*7c478bd9Sstevel@tonic-gate return (-1); 153*7c478bd9Sstevel@tonic-gate } 154*7c478bd9Sstevel@tonic-gate 155*7c478bd9Sstevel@tonic-gate /*ARGSUSED*/ 156*7c478bd9Sstevel@tonic-gate void 157*7c478bd9Sstevel@tonic-gate exit(int status) 158*7c478bd9Sstevel@tonic-gate { 159*7c478bd9Sstevel@tonic-gate #ifdef __sparc 160*7c478bd9Sstevel@tonic-gate kmdb_prom_exit_to_mon(); 161*7c478bd9Sstevel@tonic-gate #else 162*7c478bd9Sstevel@tonic-gate extern void kmdb_dpi_reboot(void) __NORETURN; 163*7c478bd9Sstevel@tonic-gate static int recurse = 0; 164*7c478bd9Sstevel@tonic-gate 165*7c478bd9Sstevel@tonic-gate if (!recurse) { 166*7c478bd9Sstevel@tonic-gate char c; 167*7c478bd9Sstevel@tonic-gate 168*7c478bd9Sstevel@tonic-gate recurse = 1; 169*7c478bd9Sstevel@tonic-gate 170*7c478bd9Sstevel@tonic-gate mdb_iob_printf(mdb.m_out, "Press any key to reboot\n"); 171*7c478bd9Sstevel@tonic-gate mdb_iob_flush(mdb.m_out); 172*7c478bd9Sstevel@tonic-gate 173*7c478bd9Sstevel@tonic-gate while (IOP_READ(mdb.m_term, &c, 1) != 1) 174*7c478bd9Sstevel@tonic-gate continue; 175*7c478bd9Sstevel@tonic-gate mdb_iob_printf(mdb.m_out, "%c%s", c, (c == '\n' ? "" : "\n")); 176*7c478bd9Sstevel@tonic-gate } 177*7c478bd9Sstevel@tonic-gate 178*7c478bd9Sstevel@tonic-gate kmdb_dpi_reboot(); 179*7c478bd9Sstevel@tonic-gate #endif 180*7c478bd9Sstevel@tonic-gate } 181