1/* $NetBSD: linux32_exec.c,v 1.21 2012/02/19 21:06:38 rmind 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 1.21 2012/02/19 21:06:38 rmind 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 char * const linux32_syscallnames[];
59extern char linux32_sigcode[], linux32_esigcode[];
60
61/*
62 * Emulation switch.
63 */
64
65struct uvm_object *emul_linux32_object;
66
67struct emul emul_linux32 = {
68 .e_name = "linux32",
69 .e_path = "/emul/linux32",
70#ifndef __HAVE_MINIMAL_EMUL
71 .e_flags = 0,
72 .e_errno = NULL,
73 .e_nosys = LINUX32_SYS_syscall,
74 .e_nsysent = LINUX32_SYS_NSYSENT,
75#endif
76 .e_sysent = linux32_sysent,
77 .e_syscallnames = linux32_syscallnames,
78 .e_sendsig = linux32_sendsig,
79 .e_trapsignal = linux_trapsignal,
80 .e_tracesig = NULL,
81 .e_sigcode = linux32_sigcode,
82 .e_esigcode = linux32_esigcode,
83 .e_sigobject = &emul_linux32_object,
84 .e_setregs = linux32_setregs,
85 .e_proc_exec = linux_e_proc_exec,
86 .e_proc_fork = linux_e_proc_fork,
87 .e_proc_exit = linux_e_proc_exit,
88 .e_lwp_fork = linux_e_lwp_fork,
89 .e_lwp_exit = linux_e_lwp_exit,
90 .e_syscall_intern = linux32_syscall_intern,
91 .e_sysctlovly = NULL,
92 .e_fault = NULL,
93 .e_vm_default_addr = netbsd32_vm_default_addr,
94 .e_usertrap = NULL,
95 .e_ucsize = 0,
96 .e_startlwp = NULL
97};
98