1 /* $NetBSD: freebsd_exec.c,v 1.42 2018/08/10 21:44:58 pgoyette Exp $ */ 2 3 /* 4 * Copyright (c) 1993, 1994 Christopher G. Demetriou 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. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Christopher G. Demetriou. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: freebsd_exec.c,v 1.42 2018/08/10 21:44:58 pgoyette Exp $"); 35 36 #if defined(_KERNEL_OPT) 37 #include "opt_syscall_debug.h" 38 #endif 39 40 #include <sys/param.h> 41 #include <sys/systm.h> 42 #include <sys/proc.h> 43 44 #include <uvm/uvm_extern.h> 45 46 #include <compat/sys/signal.h> 47 #include <compat/sys/signalvar.h> 48 49 #include <compat/freebsd/freebsd_syscall.h> 50 #include <compat/freebsd/freebsd_exec.h> 51 #include <compat/freebsd/freebsd_signal.h> 52 #include <compat/common/compat_util.h> 53 54 #include <compat/freebsd/freebsd_machdep.h> 55 56 extern struct sysent freebsd_sysent[]; 57 extern const uint32_t freebsd_sysent_nomodbits[]; 58 extern const char * const freebsd_syscallnames[]; 59 60 struct uvm_object *emul_freebsd_object; 61 62 #ifndef __HAVE_SYSCALL_INTERN 63 void syscall(void); 64 #endif 65 66 struct emul emul_freebsd = { 67 .e_name = "freebsd", 68 .e_path = "/emul/freebsd", 69 #ifndef __HAVE_MINIMAL_EMUL 70 .e_flags = EMUL_HAS_SYS___syscall, 71 .e_errno = NULL, 72 .e_nosys = FREEBSD_SYS_syscall, 73 .e_nsysent = FREEBSD_SYS_NSYSENT, 74 #endif 75 .e_sysent = freebsd_sysent, 76 .e_nomodbits = freebsd_sysent_nomodbits, 77 #ifdef SYSCALL_DEBUG 78 .e_syscallnames = freebsd_syscallnames, 79 #else 80 .e_syscallnames = NULL, 81 #endif 82 .e_sendsig = freebsd_sendsig, 83 .e_trapsignal = trapsignal, 84 .e_sigcode = freebsd_sigcode, 85 .e_esigcode = freebsd_esigcode, 86 .e_sigobject = &emul_freebsd_object, 87 .e_setregs = freebsd_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 = freebsd_syscall_intern, 95 #else 96 .e_syscall_intern = syscall, 97 #endif 98 .e_sysctlovly = NULL, 99 .e_vm_default_addr = uvm_default_mapaddr, 100 .e_usertrap = NULL, 101 .e_ucsize = 0, 102 .e_startlwp = NULL 103 }; 104