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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License (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 2006 Sun Microsystems, Inc. All rights reserved.
* Use is subject to license terms.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
/*
* Stubs for basic system services otherwise unavailable to the debugger.
*/
#include <stdlib.h>
#include <unistd.h>
#include <libproc.h>
#include <sys/time.h>
#include <sys/utsname.h>
#include <kmdb/kmdb_dpi.h>
#include <kmdb/kmdb_promif.h>
#include <kmdb/kmdb_io.h>
#include <mdb/mdb_debug.h>
#include <mdb/mdb_signal.h>
#include <mdb/mdb_io_impl.h>
#include <mdb/mdb.h>
/*ARGSUSED*/
char *
getenv(const char *name)
{
/* There aren't any environment variables here */
return (NULL);
}
char *
strerror(int errnum)
{
static char errnostr[16];
(void) mdb_snprintf(errnostr, sizeof (errnostr), "Error %d", errnum);
return (errnostr);
}
pid_t
getpid(void)
{
return (1);
}
/*
* We're trying to isolate ourselves from the rest of the world as much as
* possible, so we can't rely on the time in the kernel proper. For now, we
* just bump a counter whenever time is requested, thus guaranteeing that
* things with timestamps can be compared according to order of occurrance.
*/
hrtime_t
gethrtime(void)
{
static hrtime_t kmdb_timestamp;
return (++kmdb_timestamp);
}
/*
* Signal handling
*/
/*ARGSUSED*/
int
sigemptyset(sigset_t *set)
{
return (0);
}
/*ARGSUSED*/
int
sigaddset(sigset_t *set, int signo)
{
return (0);
}
/*ARGSUSED*/
int
sigfillset(sigset_t *set)
{
return (0);
}
/*ARGSUSED*/
int
sigprocmask(int how, const sigset_t *set, sigset_t *oset)
{
return (0);
}
/*ARGSUSED*/
int
sigaction(int sig, const struct sigaction *act, struct sigaction *oact)
{
return (0);
}
/*ARGSUSED*/
int
kill(pid_t pid, int sig)
{
if (sig == SIGABRT) {
mdb_printf("Debugger aborted\n");
exit(1);
}
return (0);
}
/*ARGSUSED*/
int
proc_str2flt(const char *buf, int *ptr)
{
return (-1);
}
/*ARGSUSED*/
int
proc_str2sig(const char *buf, int *ptr)
{
return (-1);
}
/*ARGSUSED*/
int
proc_str2sys(const char *buf, int *ptr)
{
return (-1);
}
/*ARGSUSED*/
void
exit(int status)
{
#ifdef __sparc
extern void kmdb_prom_exit_to_mon(void) __NORETURN;
kmdb_prom_exit_to_mon();
#else
extern void kmdb_dpi_reboot(void) __NORETURN;
static int recurse = 0;
if (!recurse) {
recurse = 1;
mdb_iob_printf(mdb.m_out, "Press any key to reboot\n");
mdb_iob_flush(mdb.m_out);
mdb_iob_clearlines(mdb.m_out);
(void) kmdb_getchar();
}
kmdb_dpi_reboot();
#endif
}
#if defined(__i386) && !defined(__amd64)
/*ARGSUSED*/
int
_nuname(struct utsname *buf)
{
return (-1);
}
#endif
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