1*0Sstevel@tonic-gate /* 2*0Sstevel@tonic-gate * CDDL HEADER START 3*0Sstevel@tonic-gate * 4*0Sstevel@tonic-gate * The contents of this file are subject to the terms of the 5*0Sstevel@tonic-gate * Common Development and Distribution License, Version 1.0 only 6*0Sstevel@tonic-gate * (the "License"). You may not use this file except in compliance 7*0Sstevel@tonic-gate * with the License. 8*0Sstevel@tonic-gate * 9*0Sstevel@tonic-gate * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE 10*0Sstevel@tonic-gate * or http://www.opensolaris.org/os/licensing. 11*0Sstevel@tonic-gate * See the License for the specific language governing permissions 12*0Sstevel@tonic-gate * and limitations under the License. 13*0Sstevel@tonic-gate * 14*0Sstevel@tonic-gate * When distributing Covered Code, include this CDDL HEADER in each 15*0Sstevel@tonic-gate * file and include the License file at usr/src/OPENSOLARIS.LICENSE. 16*0Sstevel@tonic-gate * If applicable, add the following below this CDDL HEADER, with the 17*0Sstevel@tonic-gate * fields enclosed by brackets "[]" replaced with your own identifying 18*0Sstevel@tonic-gate * information: Portions Copyright [yyyy] [name of copyright owner] 19*0Sstevel@tonic-gate * 20*0Sstevel@tonic-gate * CDDL HEADER END 21*0Sstevel@tonic-gate */ 22*0Sstevel@tonic-gate /* 23*0Sstevel@tonic-gate * Copyright (c) 1997-2000 by Sun Microsystems, Inc. 24*0Sstevel@tonic-gate * All rights reserved. 25*0Sstevel@tonic-gate */ 26*0Sstevel@tonic-gate 27*0Sstevel@tonic-gate #pragma ident "%Z%%M% %I% %E% SMI" 28*0Sstevel@tonic-gate 29*0Sstevel@tonic-gate #include <sys/isa_defs.h> 30*0Sstevel@tonic-gate #include <stdlib.h> 31*0Sstevel@tonic-gate #include <unistd.h> 32*0Sstevel@tonic-gate #include <errno.h> 33*0Sstevel@tonic-gate #include "libproc.h" 34*0Sstevel@tonic-gate 35*0Sstevel@tonic-gate /* 36*0Sstevel@tonic-gate * getitimer() system call -- executed by victim process. 37*0Sstevel@tonic-gate */ 38*0Sstevel@tonic-gate int 39*0Sstevel@tonic-gate pr_getitimer(struct ps_prochandle *Pr, int which, struct itimerval *itv) 40*0Sstevel@tonic-gate { 41*0Sstevel@tonic-gate sysret_t rval; /* return value from getitimer() */ 42*0Sstevel@tonic-gate argdes_t argd[2]; /* arg descriptors for getitimer() */ 43*0Sstevel@tonic-gate argdes_t *adp; 44*0Sstevel@tonic-gate int error; 45*0Sstevel@tonic-gate #ifdef _LP64 46*0Sstevel@tonic-gate int victim32 = (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32); 47*0Sstevel@tonic-gate struct itimerval32 itimerval32; 48*0Sstevel@tonic-gate #endif 49*0Sstevel@tonic-gate 50*0Sstevel@tonic-gate if (Pr == NULL) /* no victim process */ 51*0Sstevel@tonic-gate return (getitimer(which, itv)); 52*0Sstevel@tonic-gate 53*0Sstevel@tonic-gate adp = &argd[0]; /* which argument */ 54*0Sstevel@tonic-gate adp->arg_value = which; 55*0Sstevel@tonic-gate adp->arg_type = AT_BYVAL; 56*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT; 57*0Sstevel@tonic-gate adp->arg_object = NULL; 58*0Sstevel@tonic-gate adp->arg_size = 0; 59*0Sstevel@tonic-gate 60*0Sstevel@tonic-gate adp++; /* itv argument */ 61*0Sstevel@tonic-gate adp->arg_value = 0; 62*0Sstevel@tonic-gate adp->arg_type = AT_BYREF; 63*0Sstevel@tonic-gate adp->arg_inout = AI_OUTPUT; 64*0Sstevel@tonic-gate #ifdef _LP64 65*0Sstevel@tonic-gate if (victim32) { 66*0Sstevel@tonic-gate adp->arg_object = &itimerval32; 67*0Sstevel@tonic-gate adp->arg_size = sizeof (itimerval32); 68*0Sstevel@tonic-gate } else { 69*0Sstevel@tonic-gate adp->arg_object = itv; 70*0Sstevel@tonic-gate adp->arg_size = sizeof (*itv); 71*0Sstevel@tonic-gate } 72*0Sstevel@tonic-gate #else /* _LP64 */ 73*0Sstevel@tonic-gate adp->arg_object = itv; 74*0Sstevel@tonic-gate adp->arg_size = sizeof (*itv); 75*0Sstevel@tonic-gate #endif /* _LP64 */ 76*0Sstevel@tonic-gate 77*0Sstevel@tonic-gate error = Psyscall(Pr, &rval, SYS_getitimer, 2, &argd[0]); 78*0Sstevel@tonic-gate 79*0Sstevel@tonic-gate if (error) { 80*0Sstevel@tonic-gate errno = (error > 0)? error : ENOSYS; 81*0Sstevel@tonic-gate return (-1); 82*0Sstevel@tonic-gate } 83*0Sstevel@tonic-gate #ifdef _LP64 84*0Sstevel@tonic-gate if (victim32) { 85*0Sstevel@tonic-gate ITIMERVAL32_TO_ITIMERVAL(itv, &itimerval32); 86*0Sstevel@tonic-gate } 87*0Sstevel@tonic-gate #endif /* _LP64 */ 88*0Sstevel@tonic-gate return (rval.sys_rval1); 89*0Sstevel@tonic-gate } 90*0Sstevel@tonic-gate 91*0Sstevel@tonic-gate /* 92*0Sstevel@tonic-gate * setitimer() system call -- executed by victim process. 93*0Sstevel@tonic-gate */ 94*0Sstevel@tonic-gate int 95*0Sstevel@tonic-gate pr_setitimer(struct ps_prochandle *Pr, 96*0Sstevel@tonic-gate int which, const struct itimerval *itv, struct itimerval *oitv) 97*0Sstevel@tonic-gate { 98*0Sstevel@tonic-gate sysret_t rval; /* return value from setitimer() */ 99*0Sstevel@tonic-gate argdes_t argd[3]; /* arg descriptors for setitimer() */ 100*0Sstevel@tonic-gate argdes_t *adp; 101*0Sstevel@tonic-gate int error; 102*0Sstevel@tonic-gate #ifdef _LP64 103*0Sstevel@tonic-gate int victim32 = (Pstatus(Pr)->pr_dmodel == PR_MODEL_ILP32); 104*0Sstevel@tonic-gate struct itimerval32 itimerval32; 105*0Sstevel@tonic-gate struct itimerval32 oitimerval32; 106*0Sstevel@tonic-gate #endif /* _LP64 */ 107*0Sstevel@tonic-gate 108*0Sstevel@tonic-gate if (Pr == NULL) /* no victim process */ 109*0Sstevel@tonic-gate return (setitimer(which, (struct itimerval *)itv, oitv)); 110*0Sstevel@tonic-gate 111*0Sstevel@tonic-gate adp = &argd[0]; /* which argument */ 112*0Sstevel@tonic-gate adp->arg_value = which; 113*0Sstevel@tonic-gate adp->arg_type = AT_BYVAL; 114*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT; 115*0Sstevel@tonic-gate adp->arg_object = NULL; 116*0Sstevel@tonic-gate adp->arg_size = 0; 117*0Sstevel@tonic-gate 118*0Sstevel@tonic-gate adp++; /* itv argument */ 119*0Sstevel@tonic-gate adp->arg_value = 0; 120*0Sstevel@tonic-gate adp->arg_type = AT_BYREF; 121*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT; 122*0Sstevel@tonic-gate #ifdef _LP64 123*0Sstevel@tonic-gate if (victim32) { 124*0Sstevel@tonic-gate ITIMERVAL_TO_ITIMERVAL32(&itimerval32, itv); 125*0Sstevel@tonic-gate adp->arg_object = (void *)&itimerval32; 126*0Sstevel@tonic-gate adp->arg_size = sizeof (itimerval32); 127*0Sstevel@tonic-gate } else { 128*0Sstevel@tonic-gate adp->arg_object = (void *)itv; 129*0Sstevel@tonic-gate adp->arg_size = sizeof (*itv); 130*0Sstevel@tonic-gate } 131*0Sstevel@tonic-gate #else /* _LP64 */ 132*0Sstevel@tonic-gate adp->arg_object = (void *)itv; 133*0Sstevel@tonic-gate adp->arg_size = sizeof (*itv); 134*0Sstevel@tonic-gate #endif /* _LP64 */ 135*0Sstevel@tonic-gate 136*0Sstevel@tonic-gate adp++; /* oitv argument */ 137*0Sstevel@tonic-gate adp->arg_value = 0; 138*0Sstevel@tonic-gate if (oitv == NULL) { 139*0Sstevel@tonic-gate adp->arg_type = AT_BYVAL; 140*0Sstevel@tonic-gate adp->arg_inout = AI_INPUT; 141*0Sstevel@tonic-gate adp->arg_object = NULL; 142*0Sstevel@tonic-gate adp->arg_size = 0; 143*0Sstevel@tonic-gate } else { 144*0Sstevel@tonic-gate adp->arg_type = AT_BYREF; 145*0Sstevel@tonic-gate adp->arg_inout = AI_OUTPUT; 146*0Sstevel@tonic-gate #ifdef _LP64 147*0Sstevel@tonic-gate if (victim32) { 148*0Sstevel@tonic-gate adp->arg_object = (void *)&oitimerval32; 149*0Sstevel@tonic-gate adp->arg_size = sizeof (oitimerval32); 150*0Sstevel@tonic-gate } else { 151*0Sstevel@tonic-gate adp->arg_object = oitv; 152*0Sstevel@tonic-gate adp->arg_size = sizeof (*oitv); 153*0Sstevel@tonic-gate } 154*0Sstevel@tonic-gate #else /* _LP64 */ 155*0Sstevel@tonic-gate adp->arg_object = oitv; 156*0Sstevel@tonic-gate adp->arg_size = sizeof (*oitv); 157*0Sstevel@tonic-gate #endif /* _LP64 */ 158*0Sstevel@tonic-gate } 159*0Sstevel@tonic-gate 160*0Sstevel@tonic-gate error = Psyscall(Pr, &rval, SYS_setitimer, 3, &argd[0]); 161*0Sstevel@tonic-gate 162*0Sstevel@tonic-gate if (error) { 163*0Sstevel@tonic-gate errno = (error > 0)? error : ENOSYS; 164*0Sstevel@tonic-gate return (-1); 165*0Sstevel@tonic-gate } 166*0Sstevel@tonic-gate #ifdef _LP64 167*0Sstevel@tonic-gate if (victim32 && oitv != NULL) { 168*0Sstevel@tonic-gate ITIMERVAL32_TO_ITIMERVAL(oitv, &oitimerval32); 169*0Sstevel@tonic-gate } 170*0Sstevel@tonic-gate #endif /* _LP64 */ 171*0Sstevel@tonic-gate return (rval.sys_rval1); 172*0Sstevel@tonic-gate } 173