freebsd32_abort2.c

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    1 /*-
    2  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
    3  *
    4  * Copyright (c) 2005 Wojciech A. Koszek
    5  * All rights reserved.
    6  *
    7  * Redistribution and use in source and binary forms, with or without
    8  * modification, are permitted provided that the following conditions
    9  * are met:
   10  * 1. Redistributions of source code must retain the above copyright
   11  *    notice, this list of conditions and the following disclaimer.
   12  * 2. Redistributions in binary form must reproduce the above copyright
   13  *    notice, this list of conditions and the following disclaimer in the
   14  *    documentation and/or other materials provided with the distribution.
   15  *
   16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
   17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
   18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
   19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
   20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
   21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
   22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
   23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
   24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
   25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
   26  * SUCH DAMAGE.
   27  */
   28 
   29 #include <sys/cdefs.h>
   30 __FBSDID("$FreeBSD$");
   31 
   32 #include <sys/param.h>
   33 #include <sys/proc.h>
   34 #include <sys/sbuf.h>
   35 #include <sys/syscallsubr.h>
   36 #include <sys/syslog.h>
   37 
   38 #include <compat/freebsd32/freebsd32_proto.h>
   39 
   40 int
   41 freebsd32_abort2(struct thread *td, struct freebsd32_abort2_args *uap)
   42 {
   43         void *uargs[16];
   44         void *uargsp;
   45         uint32_t *uargsptr;
   46         uint32_t ptr;
   47         int i, nargs;
   48 
   49         nargs = uap->nargs;
   50         if (nargs < 0 || nargs > nitems(uargs))
   51                 nargs = -1;
   52         uargsp = NULL;
   53         if (nargs > 0) {
   54                 if (uap->args != NULL) {
   55                         uargsptr = uap->args;
   56                         for (i = 0; i < nargs; i++) {
   57                                 if (fueword32(uargsptr + i, &ptr) != 0) {
   58                                         nargs = -1;
   59                                         break;
   60                                 } else
   61                                         uargs[i] = (void *)(uintptr_t)ptr;
   62                         }
   63                         if (nargs > 0)
   64                                 uargsp = &uargs;
   65                 } else
   66                         nargs = -1;
   67         }
   68         return (kern_abort2(td, uap->why, nargs, uargsp));
   69 }

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FreeBSD/Linux Kernel Cross Reference sys/compat/freebsd32/freebsd32_abort2.c

FreeBSD/Linux Kernel Cross Reference
sys/compat/freebsd32/freebsd32_abort2.c