1 /* $NetBSD: exec_ecoff.c,v 1.7 2009/04/18 11:30:30 tsutsui Exp $ */
2
3 /*
4 * Copyright (c) 1997 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 for the
18 * NetBSD Project. See http://www.NetBSD.org/ for
19 * information about NetBSD.
20 * 4. The name of the author may not be used to endorse or promote products
21 * derived from this software without specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
24 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
25 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
26 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
27 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
28 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
29 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
30 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
31 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
32 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 *
34 * <<Id: LICENSE,v 1.2 2000/06/14 15:57:33 cgd Exp>>
35 */
36
37 #include <sys/cdefs.h>
38 #ifndef lint
39 __RCSID("$NetBSD: exec_ecoff.c,v 1.7 2009/04/18 11:30:30 tsutsui Exp $");
40 #endif
41
42 #include <sys/types.h>
43 #include <sys/stat.h>
44
45 #include <stdio.h>
46 #include <string.h>
47 #include <unistd.h>
48
49 #include "extern.h"
50
51 #if defined(NLIST_ECOFF)
52
53 #include <sys/exec_ecoff.h>
54
55 int
check_ecoff(int fd,const char * filename)56 check_ecoff(int fd, const char *filename)
57 {
58 struct ecoff_exechdr eh;
59 struct stat sb;
60
61 /*
62 * Check the header to make sure it's an ECOFF file (of the
63 * appropriate size).
64 */
65 if (fstat(fd, &sb) == -1)
66 return 0;
67 if (sb.st_size < (off_t)sizeof eh)
68 return 0;
69 if (read(fd, &eh, sizeof eh) != sizeof eh)
70 return 0;
71
72 if (ECOFF_BADMAG(&eh))
73 return 0;
74
75 return 1;
76 }
77
78 int
hide_ecoff(int fd,const char * filename)79 hide_ecoff(int fd, const char *filename)
80 {
81
82 fprintf(stderr, "%s: ECOFF executables not currently supported\n",
83 filename);
84 return 1;
85 }
86
87 #endif /* defined(NLIST_ECOFF) */
88