1 /* $NetBSD: svr4_32_exec.c,v 1.27 2012/02/19 21:06:45 rmind Exp $ */ 2 3 /*- 4 * Copyright (c) 1994, 2000 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 * 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: svr4_32_exec.c,v 1.27 2012/02/19 21:06:45 rmind Exp $"); 34 35 #if defined(_KERNEL_OPT) 36 #include "opt_syscall_debug.h" 37 #endif 38 39 #define ELFSIZE 32 /* XXX should die */ 40 41 #include <sys/param.h> 42 #include <sys/systm.h> 43 #include <sys/proc.h> 44 #include <sys/exec.h> 45 46 #include <uvm/uvm_extern.h> 47 48 #include <machine/svr4_machdep.h> 49 #include <machine/svr4_32_machdep.h> 50 51 #include <compat/svr4_32/svr4_32_types.h> 52 #include <compat/svr4_32/svr4_32_syscall.h> 53 #include <compat/svr4/svr4_errno.h> 54 #include <compat/svr4_32/svr4_32_signal.h> 55 #include <compat/svr4_32/svr4_32_exec.h> 56 57 extern char svr4_32_sigcode[], svr4_32_esigcode[]; 58 extern struct sysent svr4_32_sysent[]; 59 extern const char * const svr4_32_syscallnames[]; 60 #ifndef __HAVE_SYSCALL_INTERN 61 void syscall(void); 62 #endif 63 64 struct uvm_object *emul_svr4_32_object; 65 66 struct emul emul_svr4_32 = { 67 .e_name = "svr4_32", 68 .e_path = "/emul/svr4_32", 69 #ifndef __HAVE_MINIMAL_EMUL 70 .e_flags = 0, 71 .e_errno = native_to_svr4_errno, 72 .e_nosys = SVR4_32_SYS_syscall, 73 .e_nsysent = SVR4_32_SYS_NSYSENT, 74 #endif 75 .e_sysent = svr4_32_sysent, 76 #ifdef SYSCALL_DEBUG 77 .e_syscallnames = svr4_32_syscallnames, 78 #else 79 .e_syscallnames = NULL, 80 #endif 81 .e_sendsig = svr4_32_sendsig, 82 .e_trapsignal = trapsignal, 83 .e_tracesig = NULL, 84 .e_sigcode = svr4_32_sigcode, 85 .e_esigcode = svr4_32_esigcode, 86 .e_sigobject = &emul_svr4_32_object, 87 .e_setregs = svr4_32_setregs, 88 .e_proc_exec = NULL, 89 .e_proc_fork = NULL, 90 .e_proc_exit = NULL, 91 .e_lwp_fork = NULL, 92 .e_lwp_exit = NULL, 93 #ifdef __HAVE_SYSCALL_INTERN 94 .e_syscall_intern = svr4_32_syscall_intern, 95 #else 96 .e_syscall_intern = syscall, 97 #endif 98 .e_sysctlovly = NULL, 99 .e_fault = NULL, 100 .e_vm_default_addr = svr4_32_vm_default_addr, 101 .e_usertrap = NULL, 102 .e_ucsize = 0, 103 .e_startlwp = NULL 104 }; 105