1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/tools/reorder/elf_utils.cpp Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,36 @@
1.4 +/* This Source Code Form is subject to the terms of the Mozilla Public
1.5 + * License, v. 2.0. If a copy of the MPL was not distributed with this
1.6 + * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
1.7 +
1.8 +#include <fstream>
1.9 +#include "elf_utils.h"
1.10 +
1.11 +int
1.12 +elf_verify_header(const Elf32_Ehdr *hdr)
1.13 +{
1.14 + if (hdr->e_ident[EI_MAG0] != ELFMAG0
1.15 + || hdr->e_ident[EI_MAG1] != ELFMAG1
1.16 + || hdr->e_ident[EI_MAG2] != ELFMAG2
1.17 + || hdr->e_ident[EI_MAG3] != ELFMAG3) {
1.18 + cerr << "not an elf file" << endl;
1.19 + return -1;
1.20 + }
1.21 +
1.22 + if (hdr->e_ident[EI_CLASS] != ELFCLASS32) {
1.23 + cerr << "not a 32-bit elf file" << endl;
1.24 + return -1;
1.25 + }
1.26 +
1.27 + if (hdr->e_ident[EI_DATA] != ELFDATA2LSB) {
1.28 + cerr << "not a little endian elf file" << endl;
1.29 + return -1;
1.30 + }
1.31 +
1.32 + if (hdr->e_ident[EI_VERSION] != EV_CURRENT) {
1.33 + cerr << "incompatible version" << endl;
1.34 + return -1;
1.35 + }
1.36 +
1.37 + return 0;
1.38 +}
1.39 +
