1 /* $NetBSD: exec_ecoff.c,v 1.3 1997/08/12 06:07:23 mikel Exp $ */ 2 3 /* 4 * Copyright (c) 1997 Christopher G. Demetriou. All rights reserved. 5 * 6 * Redistribution and use in source and binary forms, with or without 7 * modification, are permitted provided that the following conditions 8 * are met: 9 * 1. Redistributions of source code must retain the above copyright 10 * notice, this list of conditions and the following disclaimer. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. All advertising materials mentioning features or use of this software 15 * must display the following acknowledgement: 16 * This product includes software developed by Christopher G. Demetriou 17 * for the NetBSD Project. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 #ifndef lint 35 __RCSID("$NetBSD: exec_ecoff.c,v 1.3 1997/08/12 06:07:23 mikel Exp $"); 36 #endif 37 38 #include <sys/types.h> 39 #include <sys/stat.h> 40 41 #include <stdio.h> 42 #include <string.h> 43 #include <unistd.h> 44 45 #include "extern.h" 46 47 #if defined(NLIST_ECOFF) 48 49 #include <sys/exec_ecoff.h> 50 51 int 52 check_ecoff(int fd, const char *filename) 53 { 54 struct ecoff_exechdr eh; 55 struct stat sb; 56 57 /* 58 * Check the header to make sure it's an ECOFF file (of the 59 * appropriate size). 60 */ 61 if (fstat(fd, &sb) == -1) 62 return 0; 63 if (sb.st_size < sizeof eh) 64 return 0; 65 if (read(fd, &eh, sizeof eh) != sizeof eh) 66 return 0; 67 68 if (ECOFF_BADMAG(&eh)) 69 return 0; 70 71 return 1; 72 } 73 74 int 75 hide_ecoff(int fd, const char *filename) 76 { 77 78 fprintf(stderr, "%s: ECOFF executables not currently supported\n", 79 filename); 80 return 1; 81 } 82 83 #endif /* defined(NLIST_ECOFF) */ 84