netbsd32_core.c revision 1.18 
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
61MODULE(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
68static int
69compat_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