1 /* $NetBSD: netbsd32_core.c,v 1.18 2020/11/08 07:30:09 rin Exp $ */
2
3 /*
4 * Copyright (c) 1997 Charles D. Cranor and Washington University.
5 * Copyright (c) 1991, 1993 The Regents of the University of California.
6 * Copyright (c) 1988 University of Utah.
7 *
8 * All rights reserved.
9 *
10 * This code is derived from software contributed to Berkeley by
11 * the Systems Programming Group of the University of Utah Computer
12 * Science Department.
13 *
14 * Redistribution and use in source and binary forms, with or without
15 * modification, are permitted provided that the following conditions
16 * are met:
17 * 1. Redistributions of source code must retain the above copyright
18 * notice, this list of conditions and the following disclaimer.
19 * 2. Redistributions in binary form must reproduce the above copyright
20 * notice, this list of conditions and the following disclaimer in the
21 * documentation and/or other materials provided with the distribution.
22 * 3. Neither the name of the University nor the names of its contributors
23 * may be used to endorse or promote products derived from this software
24 * without specific prior written permission.
25 *
26 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
27 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
28 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
29 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
30 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
31 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
32 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
33 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
34 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
35 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
36 * SUCH DAMAGE.
37 *
38 * from: Utah $Hdr: vm_unix.c 1.1 89/11/07$
39 * @(#)vm_unix.c 8.1 (Berkeley) 6/11/93
40 * from: NetBSD: uvm_unix.c,v 1.25 2001/11/10 07:37:01 lukem Exp
41 */
42
43 /*
44 * core_netbsd.c: Support for the historic NetBSD core file format.
45 */
46
47 #include <sys/cdefs.h>
48 __KERNEL_RCSID(0, "$NetBSD: netbsd32_core.c,v 1.18 2020/11/08 07:30:09 rin Exp $");
49
50 #include <sys/compat_stub.h>
51 #include <sys/exec_elf.h>
52 #include <sys/lwp.h>
53 #include <sys/module.h>
54
55 #ifdef _KERNEL_OPT
56 #include "opt_execfmt.h"
57 #endif
58
59 #define DEPS "compat_netbsd32,compat_netbsd32_ptrace,coredump"
60
61 MODULE(MODULE_CLASS_MISC, compat_netbsd32_coredump, DEPS);
62
63 #define CORENAME(x) __CONCAT(x,32)
64 #define COREINC <compat/netbsd32/netbsd32.h>
65
66 #include "../../kern/core_netbsd.c"
67
68 static int
compat_netbsd32_coredump_modcmd(modcmd_t cmd,void * arg)69 compat_netbsd32_coredump_modcmd(modcmd_t cmd, void *arg)
70 {
71
72 switch (cmd) {
73 case MODULE_CMD_INIT:
74 MODULE_HOOK_SET(coredump_netbsd32_hook, real_coredump_netbsd32);
75 #if defined(EXEC_ELF32) && defined(_LP64)
76 MODULE_HOOK_SET(coredump_elf32_hook, real_coredump_elf32);
77 #endif
78 return 0;
79 case MODULE_CMD_FINI:
80 MODULE_HOOK_UNSET(coredump_netbsd32_hook);
81 #if defined(EXEC_ELF32) && defined(_LP64)
82 MODULE_HOOK_UNSET(coredump_elf32_hook);
83 #endif
84 return 0;
85 default:
86 return ENOTTY;
87 }
88 }
89