1/*	$NetBSD: exec_elf64.c,v 1.8 2019/11/20 19:37:53 pgoyette Exp $	*/
2
3/*
4 * Copyright (c) 1996 Christopher G. Demetriou
5 * All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 * 2. Redistributions in binary form must reproduce the above copyright
13 *    notice, this list of conditions and the following disclaimer in the
14 *    documentation and/or other materials provided with the distribution.
15 * 3. All advertising materials mentioning features or use of this software
16 *    must display the following acknowledgement:
17 *      This product includes software developed by Christopher G. Demetriou
18 *	for the NetBSD Project.
19 * 4. The name of the author may not be used to endorse or promote products
20 *    derived from this software without specific prior written permission
21 *
22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#include <sys/cdefs.h>
35__KERNEL_RCSID(0, "$NetBSD: exec_elf64.c,v 1.8 2019/11/20 19:37:53 pgoyette Exp $");
36
37#define	ELFSIZE	64
38
39#include "exec_elf.c"
40
41#include <sys/module.h>
42
43#define ELF64_AUXSIZE (ELF_AUX_ENTRIES * sizeof(Aux64Info) \
44    + MAXPATHLEN + ALIGN(1))
45
46MODULE(MODULE_CLASS_EXEC, exec_elf64, NULL);
47
48static struct execsw exec_elf64_execsw[] = {
49	/* Native Elf64 */
50	{
51		.es_hdrsz = sizeof (Elf64_Ehdr),
52	  	.es_makecmds = exec_elf64_makecmds,
53	  	.u = {
54			.elf_probe_func = netbsd_elf64_probe,
55		},
56		.es_emul = &emul_netbsd,
57		.es_prio = EXECSW_PRIO_FIRST,
58		.es_arglen = ELF64_AUXSIZE,
59		.es_copyargs = elf64_copyargs,
60		.es_setregs = NULL,
61		.es_coredump = coredump_elf64,
62		.es_setup_stack = exec_setup_stack,
63	},
64#if EXEC_ELF_NOTELESS
65	/* Generic Elf64 -- run at NetBSD Elf64 */
66	{
67		.es_hdrsz = sizeof (Elf64_Ehdr),
68		.es_makecmds = exec_elf64_makecmds,
69		.u = {
70			.elf_probe_func = NULL,
71		},
72		.es_emul = &emul_netbsd,
73		.es_prio = EXECSW_PRIO_ANY,
74		.es_arglen = ELF64_AUXSIZE,
75		.es_copyargs = elf64_copyargs,
76		.es_setregs = NULL,
77		.es_coredump = coredump_elf64,
78		.es_setup_stack = exec_setup_stack,
79	},
80#endif
81};
82
83static int
84exec_elf64_modcmd(modcmd_t cmd, void *arg)
85{
86
87	switch (cmd) {
88	case MODULE_CMD_INIT:
89		return exec_add(exec_elf64_execsw,
90		    __arraycount(exec_elf64_execsw));
91
92	case MODULE_CMD_FINI:
93		return exec_remove(exec_elf64_execsw,
94		    __arraycount(exec_elf64_execsw));
95
96	default:
97		return ENOTTY;
98        }
99}
100