1 /* $NetBSD: sunos32_mod.c,v 1.7 2019/12/12 02:15:42 pgoyette Exp $ */ 2 3 /*- 4 * Copyright (c) 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software developed for The NetBSD Foundation 8 * by Andrew Doran. 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 * 19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 29 * POSSIBILITY OF SUCH DAMAGE. 30 */ 31 32 #include <sys/cdefs.h> 33 __KERNEL_RCSID(0, "$NetBSD: sunos32_mod.c,v 1.7 2019/12/12 02:15:42 pgoyette Exp $"); 34 35 #include <sys/param.h> 36 #include <sys/module.h> 37 #include <sys/exec.h> 38 #include <sys/exec_aout.h> 39 #include <sys/signalvar.h> 40 #include <sys/compat_stub.h> 41 42 #include <machine/sunos_machdep.h> 43 44 #include <compat/sunos32/sunos32_exec.h> 45 46 #include <compat/netbsd32/netbsd32_exec.h> 47 48 MODULE(MODULE_CLASS_EXEC, compat_sunos, 49 "compat_09,compat_util,compat_netbsd32,exec_aout"); 50 51 static struct execsw sunos_execsw = { 52 .es_hdrsz = SUNOS32_AOUT_HDR_SIZE, 53 .es_makecmds = exec_sunos32_aout_makecmds, 54 .u = { 55 .elf_probe_func = NULL, 56 }, 57 .es_emul = &emul_sunos, 58 .es_prio = EXECSW_PRIO_ANY, 59 .es_arglen = 0, 60 .es_copyargs = netbsd32_copyargs, 61 .es_setregs = NULL, 62 .es_coredump = coredump_netbsd, 63 .es_setup_stack = exec_setup_stack, 64 }; 65 66 static int 67 get_sunos_emul(const struct emul **e) 68 { 69 70 *e = &emul_sunos; 71 return 0; 72 } 73 74 static int 75 compat_sunos_modcmd(modcmd_t cmd, void *arg) 76 { 77 78 switch (cmd) { 79 case MODULE_CMD_INIT: 80 MODULE_HOOK_SET(get_emul_sunos_hook, get_sunos_emul); 81 return exec_add(&sunos_execsw, 1); 82 83 case MODULE_CMD_FINI: 84 MODULE_HOOK_UNSET(get_emul_sunos_hook); 85 return exec_remove(&sunos_execsw, 1); 86 87 default: 88 return ENOTTY; 89 } 90 } 91