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
57extern struct sysent linux32_sysent[];
58extern const uint32_t linux32_sysent_nomodbits[];
59extern const char * const linux32_syscallnames[];
60extern char linux32_sigcode[], linux32_esigcode[];
61
62/*
63 * Emulation switch.
64 */
65
66struct uvm_object *emul_linux32_object;
67
68struct 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