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69 lines
2.4 KiB
C++
69 lines
2.4 KiB
C++
/* ***** BEGIN LICENSE BLOCK *****
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* Version: MPL 1.1/GPL 2.0/LGPL 2.1
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*
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* The contents of this file are subject to the Mozilla Public License Version
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* 1.1 (the "License"); you may not use this file except in compliance with
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* the License. You may obtain a copy of the License at
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* http://www.mozilla.org/MPL/
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*
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* Software distributed under the License is distributed on an "AS IS" basis,
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* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
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* for the specific language governing rights and limitations under the
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* License.
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*
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* The Original Code is ``elf_symbol_table''
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*
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* The Initial Developer of the Original Code is Netscape
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* Communications Corp. Portions created by the Initial Developer are
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* Copyright (C) 2001 the Initial Developer. All Rights Reserved.
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*
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* Contributor(s):
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* Chris Waterson <waterson@netscape.com>
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*
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* Alternatively, the contents of this file may be used under the terms of
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* either the GNU General Public License Version 2 or later (the "GPL"), or
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* the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
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* in which case the provisions of the GPL or the LGPL are applicable instead
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* of those above. If you wish to allow use of your version of this file only
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* under the terms of either the GPL or the LGPL, and not to allow others to
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* use your version of this file under the terms of the MPL, indicate your
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* decision by deleting the provisions above and replace them with the notice
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* and other provisions required by the GPL or the LGPL. If you do not delete
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* the provisions above, a recipient may use your version of this file under
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* the terms of any one of the MPL, the GPL or the LGPL.
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*
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* ***** END LICENSE BLOCK ***** */
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#include <fstream>
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#include "elf_utils.h"
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int
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elf_verify_header(const Elf32_Ehdr *hdr)
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{
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if (hdr->e_ident[EI_MAG0] != ELFMAG0
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|| hdr->e_ident[EI_MAG1] != ELFMAG1
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|| hdr->e_ident[EI_MAG2] != ELFMAG2
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|| hdr->e_ident[EI_MAG3] != ELFMAG3) {
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cerr << "not an elf file" << endl;
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return -1;
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}
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if (hdr->e_ident[EI_CLASS] != ELFCLASS32) {
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cerr << "not a 32-bit elf file" << endl;
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return -1;
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}
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if (hdr->e_ident[EI_DATA] != ELFDATA2LSB) {
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cerr << "not a little endian elf file" << endl;
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return -1;
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}
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if (hdr->e_ident[EI_VERSION] != EV_CURRENT) {
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cerr << "incompatible version" << endl;
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return -1;
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}
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return 0;
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}
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