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37 lines
935 B
C++
37 lines
935 B
C++
/* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at http://mozilla.org/MPL/2.0/. */
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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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