b78496eee9
you try to hide symbols in these kinds of files, an error message is printed noting that the executable format is not supported.
98 lines
3.1 KiB
C
98 lines
3.1 KiB
C
/* $NetBSD: exec_elf32.c,v 1.1 1997/01/22 23:57:20 cgd Exp $ */
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/*
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* Copyright (c) 1997 Christopher G. Demetriou. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christopher G. Demetriou
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* for the NetBSD Project.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#ifndef lint
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static char *e32rcsid = "$NetBSD: exec_elf32.c,v 1.1 1997/01/22 23:57:20 cgd Exp $";
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#endif /* not lint */
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#ifndef ELFSIZE
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#define ELFSIZE 32
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#endif
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <stdio.h>
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#include <string.h>
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#include "extern.h"
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#if (defined(NLIST_ELF32) && (ELFSIZE == 32)) || \
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(defined(NLIST_ELF64) && (ELFSIZE == 64))
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#include <sys/exec_elf.h>
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#define CONCAT(x,y) __CONCAT(x,y)
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#define ELFNAME(x) CONCAT(elf,CONCAT(ELFSIZE,CONCAT(_,x)))
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#define ELFNAME2(x,y) CONCAT(x,CONCAT(_elf,CONCAT(ELFSIZE,CONCAT(_,y))))
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#define ELFNAMEEND(x) CONCAT(x,CONCAT(_elf,ELFSIZE))
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#define ELFDEFNNAME(x) CONCAT(ELF,CONCAT(ELFSIZE,CONCAT(_,x)))
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int
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ELFNAMEEND(check)(int fd, const char *filename)
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{
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Elf_Ehdr eh;
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struct stat sb;
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/*
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* Check the header to maek sure it's an ELF file (of the
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* appropriate size).
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*/
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if (fstat(fd, &sb) == -1)
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return 0;
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if (sb.st_size < sizeof eh)
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return 0;
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if (read(fd, &eh, sizeof eh) != sizeof eh)
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return 0;
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if (memcmp(eh.e_ident, Elf_e_ident, Elf_e_siz))
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return 0;
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switch (eh.e_machine) {
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ELFDEFNNAME(MACHDEP_ID_CASES)
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default:
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return 0;
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}
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return 1;
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}
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int
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ELFNAMEEND(hide)(int fd, const char *filename)
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{
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fprintf(stderr, "%s: ELF%d executables not currently supported\n",
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filename, ELFSIZE);
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return 1;
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}
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#endif /* include this size of ELF */
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