1/* 2 * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved. 3 * 4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ 5 * 6 * This file contains Original Code and/or Modifications of Original Code 7 * as defined in and that are subject to the Apple Public Source License 8 * Version 2.0 (the 'License'). You may not use this file except in 9 * compliance with the License. The rights granted to you under the License 10 * may not be used to create, or enable the creation or redistribution of, 11 * unlawful or unlicensed copies of an Apple operating system, or to 12 * circumvent, violate, or enable the circumvention or violation of, any 13 * terms of an Apple operating system software license agreement. 14 * 15 * Please obtain a copy of the License at 16 * http://www.opensource.apple.com/apsl/ and read it before using this file. 17 * 18 * The Original Code and all software distributed under the License are 19 * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER 20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, 21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, 22 * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. 23 * Please see the License for the specific language governing rights and 24 * limitations under the License. 25 * 26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ 27 */ 28/* 29 * Copyright (c) 1997 by Apple Computer, Inc., all rights reserved 30 * Copyright (c) 1993 NeXT Computer, Inc. 31 * 32 */ 33 34#include <sys/param.h> 35#include <sys/systm.h> 36#include <sys/ioctl.h> 37#include <sys/tty.h> 38#include <sys/conf.h> 39#include <sys/kauth.h> 40#include <sys/ucred.h> 41#include <sys/proc_internal.h> 42#include <sys/user.h> 43#include <kern/task.h> 44#include <kern/thread.h> 45#include <vm/vm_map.h> 46#include <machine/machine_routines.h> 47 48/* XXX should be elsewhere (cpeak) */ 49extern void *get_bsduthreadarg(thread_t); 50extern int *get_bsduthreadrval(thread_t); 51extern void *find_user_regs(thread_t); 52 53int copywithin(void *src, void *dst, size_t count) 54{ 55 bcopy(src, dst, count); 56 return 0; 57} 58 59void *get_bsduthreadarg(thread_t th) 60{ 61 void *arg_ptr; 62 struct uthread *ut; 63 64 ut = get_bsdthread_info(th); 65 66 if (ml_thread_is64bit(th) == TRUE) 67 arg_ptr = (void *) saved_state64(find_user_regs(th)); 68 else 69 arg_ptr = (void *) (ut->uu_arg); 70 71 return (arg_ptr); 72} 73 74int *get_bsduthreadrval(thread_t th) 75{ 76 struct uthread *ut; 77 78 ut = get_bsdthread_info(th); 79 return (&ut->uu_rval[0]); 80} 81