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netbsd32_compat_16.c revision 1.1.2.2 
      1 /*	$NetBSD: netbsd32_compat_16.c,v 1.1.2.2 2018/09/14 05:37:08 pgoyette Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2008 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Christos Zoulas.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 #include <sys/cdefs.h>
     39 __KERNEL_RCSID(0, "$NetBSD: netbsd32_compat_16.c,v 1.1.2.2 2018/09/14 05:37:08 pgoyette Exp $");
     40 
     41 #include <sys/param.h>
     42 #include <sys/systm.h>
     43 #include <sys/module.h>
     44 #include <sys/dirent.h>
     45 #include <sys/lwp.h>
     46 #include <sys/syscallargs.h>
     47 #include <sys/syscallvar.h>
     48 
     49 #include <compat/netbsd32/netbsd32.h>
     50 #include <compat/netbsd32/netbsd32_syscall.h>
     51 #include <compat/netbsd32/netbsd32_syscallargs.h>
     52 #include <compat/netbsd32/netbsd32_conv.h>
     53 
     54 extern char netbsd32_sigcode[], netbsd32_esigcode[];
     55 struct uvm_object *emul_netbsd32_object;
     56 
     57 #ifdef MACHDEP_INIT_PREF
     58 int __CONCAT(MACHDEP_INIT_PREF,_init)(int);
     59 int __CONCAT(MACHDEP_INIT_PREF,_fini)(int);
     60 #endif
     61 
     62 MODULE(MODULE_CLASS_EXEC, compat_netbsd32_16, "compat_netbsd32,compat_16");
     63 
     64 static int
     65 compat_netbsd32_16_modcmd(modcmd_t cmd, void *arg)
     66 {
     67 int error = 0;
     68 
     69 	switch (cmd) {
     70 	case MODULE_CMD_INIT:
     71 		emul_netbsd32.e_sigcode = netbsd32_sigcode;
     72         	emul_netbsd32.e_esigcode = netbsd32_esigcode;
     73         	emul_netbsd32.e_sigobject = &emul_netbsd32_object;
     74 #ifdef MACHDEP_INIT_PREF
     75 		error = __CONCAT(MACHDEP_INIT_PREF,_init)(0);
     76 #endif
     77 		return error;
     78 
     79 	case MODULE_CMD_FINI:
     80 		emul_netbsd32.e_sigcode = NULL;
     81         	emul_netbsd32.e_esigcode = NULL;
     82         	emul_netbsd32.e_sigobject = NULL;
     83 #ifdef MACHDEP_INIT_PREF
     84 		error = __CONCAT(MACHDEP_INIT_PREF,_fini)(0);
     85 #endif
     86 		return error;
     87 
     88 	default:
     89 		return ENOTTY;
     90 	}
     91 }
     92