/*
* 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) 1998-2001 by Sun Microsystems, Inc.
* All rights reserved.
*/
#pragma ident "%Z%%M% %I% %E% SMI"
#include <stdlib.h>
#include <unistd.h>
#include <errno.h>
#include <sys/types.h>
#include <sys/mman.h>
#include "libproc.h"
/*
* memcntl() system call -- executed by subject process
*/
int
pr_memcntl(struct ps_prochandle *Pr,
caddr_t addr, size_t len, int cmd, caddr_t arg, int attr, int mask)
{
sysret_t rval; /* return value from memcntl() */
argdes_t argd[6]; /* arg descriptors for memcntl() */
argdes_t *adp;
int error;
if (Pr == NULL) /* no subject process */
return (memcntl(addr, len, cmd, arg, attr, mask));
adp = &argd[0]; /* addr argument */
adp->arg_value = (uintptr_t)addr;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++; /* len argument */
adp->arg_value = len;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++; /* cmd argument */
adp->arg_value = cmd;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++; /* arg argument */
if (cmd == MC_HAT_ADVISE) {
adp->arg_value = 0;
adp->arg_object = arg;
adp->arg_type = AT_BYREF;
adp->arg_inout = AI_INPUT;
#ifdef _LP64
if (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32)
adp->arg_size = sizeof (struct memcntl_mha32);
else
adp->arg_size = sizeof (struct memcntl_mha);
#else
adp->arg_size = sizeof (struct memcntl_mha);
#endif
} else {
adp->arg_value = (uintptr_t)arg;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
}
adp++; /* attr argument */
adp->arg_value = attr;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
adp++; /* mask argument */
adp->arg_value = mask;
adp->arg_object = NULL;
adp->arg_type = AT_BYVAL;
adp->arg_inout = AI_INPUT;
adp->arg_size = 0;
error = Psyscall(Pr, &rval, SYS_memcntl, 6, &argd[0]);
if (error) {
errno = (error > 0)? error : ENOSYS;
return (-1);
}
return (0);
}