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netbsd32_compat_13.c revision 1.2 
      1 /*	$NetBSD: netbsd32_compat_13.c,v 1.2 1998/08/26 13:38:21 mrg Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1998 Matthew R. Green
      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  * 3. The name of the author may not be used to endorse or promote products
     16  *    derived from this software without specific prior written permission.
     17  *
     18  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     19  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     20  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     21  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     22  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
     23  * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
     24  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
     25  * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
     26  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
     27  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
     28  * SUCH DAMAGE.
     29  */
     30 
     31 #include <sys/param.h>
     32 #include <sys/systm.h>
     33 #include <sys/mount.h>
     34 #include <sys/proc.h>
     35 #include <sys/signal.h>
     36 #include <sys/syscallargs.h>
     37 
     38 #include <compat/sparc32/sparc32.h>
     39 #include <compat/sparc32/sparc32_syscallargs.h>
     40 
     41 int
     42 compat_13_compat_sparc32_sigaltstack13(p, v, retval)
     43 	struct proc *p;
     44 	void *v;
     45 	register_t *retval;
     46 {
     47 	struct compat_13_compat_sparc32_sigaltstack13_args /* {
     48 		syscallarg(const sparc32_sigaltstack13p_t) nss;
     49 		syscallarg(sparc32_sigaltstack13p_t) oss;
     50 	} */ *uap = v;
     51 	struct compat_13_sys_sigaltstack_args ua;
     52 	struct sigaltstack13 nss13, oss13;
     53 	struct sparc32_sigaltstack13 *s32nss13, *s32oss13;
     54 	int rv;
     55 
     56 	SCARG(&ua, nss) = &nss13;
     57 	SCARG(&ua, oss) = &oss13;
     58 
     59 	s32nss13 = (struct sparc32_sigaltstack13 *)(u_long)SCARG(uap, nss);
     60 	s32oss13 = (struct sparc32_sigaltstack13 *)(u_long)SCARG(uap, oss);
     61 
     62 	nss13.ss_sp = (char *)(u_long)s32nss13->ss_sp;
     63 	nss13.ss_size = s32nss13->ss_size;
     64 	nss13.ss_flags = s32nss13->ss_flags;
     65 
     66 	rv = compat_13_sys_sigaltstack(p, &ua, retval);
     67 
     68 	s32oss13->ss_sp = (sparc32_charp)(u_long)oss13.ss_sp;
     69 	s32oss13->ss_size = oss13.ss_size;
     70 	s32oss13->ss_flags = oss13.ss_flags;
     71 
     72 	return (rv);
     73 }
     74