linux32_mod.c revision 1.2.12.3 1 1.2.12.3 yamt /* $NetBSD: linux32_mod.c,v 1.2.12.3 2010/08/11 22:53:09 yamt Exp $ */
2 1.2.12.2 yamt
3 1.2.12.2 yamt /*-
4 1.2.12.2 yamt * Copyright (c) 2008 The NetBSD Foundation, Inc.
5 1.2.12.2 yamt * All rights reserved.
6 1.2.12.2 yamt *
7 1.2.12.2 yamt * This code is derived from software developed for The NetBSD Foundation
8 1.2.12.2 yamt * by Andrew Doran.
9 1.2.12.2 yamt *
10 1.2.12.2 yamt * Redistribution and use in source and binary forms, with or without
11 1.2.12.2 yamt * modification, are permitted provided that the following conditions
12 1.2.12.2 yamt * are met:
13 1.2.12.2 yamt * 1. Redistributions of source code must retain the above copyright
14 1.2.12.2 yamt * notice, this list of conditions and the following disclaimer.
15 1.2.12.2 yamt * 2. Redistributions in binary form must reproduce the above copyright
16 1.2.12.2 yamt * notice, this list of conditions and the following disclaimer in the
17 1.2.12.2 yamt * documentation and/or other materials provided with the distribution.
18 1.2.12.2 yamt *
19 1.2.12.2 yamt * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 1.2.12.2 yamt * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 1.2.12.2 yamt * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 1.2.12.2 yamt * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 1.2.12.2 yamt * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 1.2.12.2 yamt * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 1.2.12.2 yamt * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 1.2.12.2 yamt * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 1.2.12.2 yamt * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 1.2.12.2 yamt * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 1.2.12.2 yamt * POSSIBILITY OF SUCH DAMAGE.
30 1.2.12.2 yamt */
31 1.2.12.2 yamt
32 1.2.12.2 yamt #include <sys/cdefs.h>
33 1.2.12.3 yamt __KERNEL_RCSID(0, "$NetBSD: linux32_mod.c,v 1.2.12.3 2010/08/11 22:53:09 yamt Exp $");
34 1.2.12.2 yamt
35 1.2.12.2 yamt #ifdef _KERNEL_OPT
36 1.2.12.2 yamt #include "opt_execfmt.h"
37 1.2.12.2 yamt #endif
38 1.2.12.2 yamt
39 1.2.12.2 yamt #ifndef ELFSIZE
40 1.2.12.2 yamt #define ELFSIZE ARCH_ELFSIZE
41 1.2.12.2 yamt #endif
42 1.2.12.2 yamt
43 1.2.12.2 yamt #include <sys/param.h>
44 1.2.12.2 yamt #include <sys/module.h>
45 1.2.12.2 yamt #include <sys/exec.h>
46 1.2.12.2 yamt #include <sys/signalvar.h>
47 1.2.12.2 yamt
48 1.2.12.3 yamt #include <compat/linux/common/linux_exec.h>
49 1.2.12.3 yamt
50 1.2.12.2 yamt #include <compat/linux32/common/linux32_sysctl.h>
51 1.2.12.2 yamt #include <compat/linux32/common/linux32_exec.h>
52 1.2.12.2 yamt
53 1.2.12.2 yamt #if defined(EXEC_ELF32)
54 1.2.12.2 yamt # define MD1 ",exec_elf32,compat_netbsd32"
55 1.2.12.2 yamt #else
56 1.2.12.2 yamt # define MD1 ""
57 1.2.12.2 yamt #endif
58 1.2.12.2 yamt
59 1.2.12.2 yamt MODULE(MODULE_CLASS_MISC, compat_linux32, "compat_linux" MD1);
60 1.2.12.2 yamt
61 1.2.12.2 yamt static struct execsw linux32_execsw[] = {
62 1.2.12.2 yamt #if defined(EXEC_ELF32)
63 1.2.12.2 yamt { sizeof (Elf32_Ehdr),
64 1.2.12.2 yamt exec_elf32_makecmds,
65 1.2.12.2 yamt { linux32_elf32_probe },
66 1.2.12.2 yamt &emul_linux32,
67 1.2.12.2 yamt EXECSW_PRIO_FIRST,
68 1.2.12.2 yamt LINUX32_ELF_AUX_ARGSIZ,
69 1.2.12.2 yamt linux32_elf32_copyargs,
70 1.2.12.2 yamt NULL,
71 1.2.12.2 yamt coredump_elf32,
72 1.2.12.3 yamt linux_exec_setup_stack },
73 1.2.12.2 yamt #endif
74 1.2.12.2 yamt };
75 1.2.12.2 yamt
76 1.2.12.2 yamt static int
77 1.2.12.2 yamt compat_linux32_modcmd(modcmd_t cmd, void *arg)
78 1.2.12.2 yamt {
79 1.2.12.2 yamt int error;
80 1.2.12.2 yamt
81 1.2.12.2 yamt switch (cmd) {
82 1.2.12.2 yamt case MODULE_CMD_INIT:
83 1.2.12.2 yamt linux32_sysctl_init();
84 1.2.12.2 yamt error = exec_add(linux32_execsw,
85 1.2.12.2 yamt __arraycount(linux32_execsw));
86 1.2.12.2 yamt if (error != 0)
87 1.2.12.2 yamt linux32_sysctl_fini();
88 1.2.12.2 yamt return error;
89 1.2.12.2 yamt
90 1.2.12.2 yamt case MODULE_CMD_FINI:
91 1.2.12.2 yamt error = exec_remove(linux32_execsw,
92 1.2.12.2 yamt __arraycount(linux32_execsw));
93 1.2.12.2 yamt if (error == 0)
94 1.2.12.2 yamt linux32_sysctl_fini();
95 1.2.12.2 yamt return error;
96 1.2.12.2 yamt
97 1.2.12.2 yamt default:
98 1.2.12.2 yamt return ENOTTY;
99 1.2.12.2 yamt }
100 1.2.12.2 yamt }
101