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
46 MODULE(MODULE_CLASS_EXEC, exec_elf64, NULL);
47
48 static 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
83 static int
exec_elf64_modcmd(modcmd_t cmd,void * arg)84 exec_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