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i386_get_ldt.c revision 1.1 
      1 /*
      2  *  Copyright (c) 1993 John Brezak
      3  *  All rights reserved.
      4  *
      5  *  Redistribution and use in source and binary forms, with or without
      6  *  modification, are permitted provided that the following conditions
      7  *  are met:
      8  *  1. Redistributions of source code must retain the above copyright
      9  *     notice, this list of conditions and the following disclaimer.
     10  *  2. Redistributions in binary form must reproduce the above copyright
     11  *     notice, this list of conditions and the following disclaimer in the
     12  *     documentation and/or other materials provided with the distribution.
     13  *  3. The name of the author may not be used to endorse or promote products
     14  *     derived from this software without specific prior written permission.
     15  *
     16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR `AS IS'' AND ANY EXPRESS OR
     17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
     18  * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
     19  * DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
     20  * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
     21  * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
     22  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
     23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
     24  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
     25  * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     26  * POSSIBILITY OF SUCH DAMAGE.
     27  *
     28  */
     29 
     30 #include <sys/cdefs.h>
     31 #include <machine/segments.h>
     32 #include <machine/sysarch.h>
     33 
     34 struct parms {
     35         int			start;
     36         union descriptor	*descs;
     37         int			num;
     38 };
     39 
     40 int
     41 i386_get_ldt(int start, union descriptor *descs, int num)
     42 {
     43         struct parms p;
     44 
     45         p.start = start;
     46         p.descs = descs;
     47         p.num   = num;
     48 
     49 	return sysarch(I386_GET_LDT, (char *)&p);
     50 }
     51