1 /* $NetBSD: linux32_exec.c,v 1.24 2018/08/10 21:44:58 pgoyette Exp $ */ 2 3 /*- 4 * Copyright (c) 1994-2007 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, Frank van der Linden, Eric Haszlakiewicz, 9 * Thor Lancelot Simon, and Emmanuel Dreyfus. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: linux32_exec.c,v 1.24 2018/08/10 21:44:58 pgoyette Exp $"); 35 36 #include <sys/param.h> 37 #include <sys/systm.h> 38 #include <sys/kernel.h> 39 #include <sys/proc.h> 40 #include <sys/exec.h> 41 #include <sys/exec_elf.h> 42 43 #include <sys/mman.h> 44 #include <sys/syscallargs.h> 45 46 #include <compat/linux/common/linux_types.h> 47 #include <compat/linux/common/linux_exec.h> 48 49 #include <compat/linux32/common/linux32_exec.h> 50 #include <compat/linux32/common/linux32_types.h> 51 #include <compat/linux32/common/linux32_signal.h> 52 #include <compat/linux32/common/linux32_machdep.h> 53 54 #include <compat/linux32/linux32_syscallargs.h> 55 #include <compat/linux32/linux32_syscall.h> 56 57 extern struct sysent linux32_sysent[]; 58 extern const uint32_t linux32_sysent_nomodbits[]; 59 extern const char * const linux32_syscallnames[]; 60 extern char linux32_sigcode[], linux32_esigcode[]; 61 62 /* 63 * Emulation switch. 64 */ 65 66 struct uvm_object *emul_linux32_object; 67 68 struct emul emul_linux32 = { 69 .e_name = "linux32", 70 .e_path = "/emul/linux32", 71 #ifndef __HAVE_MINIMAL_EMUL 72 .e_flags = 0, 73 .e_errno = NULL, 74 .e_nosys = LINUX32_SYS_syscall, 75 .e_nsysent = LINUX32_SYS_NSYSENT, 76 #endif 77 .e_sysent = linux32_sysent, 78 .e_nomodbits = linux32_sysent_nomodbits, 79 .e_syscallnames = linux32_syscallnames, 80 .e_sendsig = linux32_sendsig, 81 .e_trapsignal = linux_trapsignal, 82 .e_sigcode = linux32_sigcode, 83 .e_esigcode = linux32_esigcode, 84 .e_sigobject = &emul_linux32_object, 85 .e_setregs = linux32_setregs, 86 .e_proc_exec = linux_e_proc_exec, 87 .e_proc_fork = linux_e_proc_fork, 88 .e_proc_exit = linux_e_proc_exit, 89 .e_lwp_fork = linux_e_lwp_fork, 90 .e_lwp_exit = linux_e_lwp_exit, 91 .e_syscall_intern = linux32_syscall_intern, 92 .e_sysctlovly = NULL, 93 .e_vm_default_addr = netbsd32_vm_default_addr, 94 .e_usertrap = NULL, 95 .e_ucsize = 0, 96 .e_startlwp = NULL 97 }; 98