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/*
* CDDL HEADER START
*
* The contents of this file are subject to the terms of the
* Common Development and Distribution License, Version 1.0 only
* (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 (c) 1997-2000 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <sys/isa_defs.h>
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include "libproc.h"
/*
* getitimer() system call -- executed by victim process.
*/
int
pr_getitimer(struct ps_prochandle *Pr, int which, struct itimerval *itv)
{
sysret_t rval; /* return value from getitimer() */
argdes_t argd[2]; /* arg descriptors for getitimer() */
argdes_t *adp;
int error;
#ifdef _LP64
int victim32 = (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32);
struct itimerval32 itimerval32;
#endif
if (Pr == NULL) /* no victim process */
return (getitimer(which, itv));
adp = &argd[0]; /* which argument */
adp->arg_value = which;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_object = NULL;
adp->arg_size = 0;
adp++; /* itv argument */
adp->arg_value = 0;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_OUTPUT;
#ifdef _LP64
if (victim32) {
adp->arg_object = &itimerval32;
adp->arg_size = sizeof (itimerval32);
} else {
adp->arg_object = itv;
adp->arg_size = sizeof (*itv);
}
#else /* _LP64 */
adp->arg_object = itv;
adp->arg_size = sizeof (*itv);
#endif /* _LP64 */
error = Psyscall(Pr, &rval, SYS_getitimer, 2, &argd[0]);
if (error) {
errno = (error > 0)? error : ENOSYS;
return (-1);
}
#ifdef _LP64
if (victim32) {
ITIMERVAL32_TO_ITIMERVAL(itv, &itimerval32);
}
#endif /* _LP64 */
return (rval.sys_rval1);
}
/*
* setitimer() system call -- executed by victim process.
*/
int
pr_setitimer(struct ps_prochandle *Pr,
int which, const struct itimerval *itv, struct itimerval *oitv)
{
sysret_t rval; /* return value from setitimer() */
argdes_t argd[3]; /* arg descriptors for setitimer() */
argdes_t *adp;
int error;
#ifdef _LP64
int victim32 = (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32);
struct itimerval32 itimerval32;
struct itimerval32 oitimerval32;
#endif /* _LP64 */
if (Pr == NULL) /* no victim process */
return (setitimer(which, (struct itimerval *)itv, oitv));
adp = &argd[0]; /* which argument */
adp->arg_value = which;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_object = NULL;
adp->arg_size = 0;
adp++; /* itv argument */
adp->arg_value = 0;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_INPUT;
#ifdef _LP64
if (victim32) {
ITIMERVAL_TO_ITIMERVAL32(&itimerval32, itv);
adp->arg_object = (void *)&itimerval32;
adp->arg_size = sizeof (itimerval32);
} else {
adp->arg_object = (void *)itv;
adp->arg_size = sizeof (*itv);
}
#else /* _LP64 */
adp->arg_object = (void *)itv;
adp->arg_size = sizeof (*itv);
#endif /* _LP64 */
adp++; /* oitv argument */
adp->arg_value = 0;
if (oitv == NULL) {
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_object = NULL;
adp->arg_size = 0;
} else {
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_OUTPUT;
#ifdef _LP64
if (victim32) {
adp->arg_object = (void *)&oitimerval32;
adp->arg_size = sizeof (oitimerval32);
} else {
adp->arg_object = oitv;
adp->arg_size = sizeof (*oitv);
}
#else /* _LP64 */
adp->arg_object = oitv;
adp->arg_size = sizeof (*oitv);
#endif /* _LP64 */
}
error = Psyscall(Pr, &rval, SYS_setitimer, 3, &argd[0]);
if (error) {
errno = (error > 0)? error : ENOSYS;
return (-1);
}
#ifdef _LP64
if (victim32 && oitv != NULL) {
ITIMERVAL32_TO_ITIMERVAL(oitv, &oitimerval32);
}
#endif /* _LP64 */
return (rval.sys_rval1);
}
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