michael@0: /* This Source Code Form is subject to the terms of the Mozilla Public
michael@0:  * License, v. 2.0. If a copy of the MPL was not distributed with this
michael@0:  * file, You can obtain one at http://mozilla.org/MPL/2.0/. */
michael@0: 
michael@0: #include <fstream>
michael@0: #include "elf_utils.h"
michael@0: 
michael@0: int
michael@0: elf_verify_header(const Elf32_Ehdr *hdr)
michael@0: {
michael@0:     if (hdr->e_ident[EI_MAG0] != ELFMAG0
michael@0:         || hdr->e_ident[EI_MAG1] != ELFMAG1
michael@0:         || hdr->e_ident[EI_MAG2] != ELFMAG2
michael@0:         || hdr->e_ident[EI_MAG3] != ELFMAG3) {
michael@0:         cerr << "not an elf file" << endl;
michael@0:         return -1;
michael@0:     }
michael@0: 
michael@0:     if (hdr->e_ident[EI_CLASS] != ELFCLASS32) {
michael@0:         cerr << "not a 32-bit elf file" << endl;
michael@0:         return -1;
michael@0:     }
michael@0: 
michael@0:     if (hdr->e_ident[EI_DATA] != ELFDATA2LSB) {
michael@0:         cerr << "not a little endian elf file" << endl;
michael@0:         return -1;
michael@0:     }
michael@0: 
michael@0:     if (hdr->e_ident[EI_VERSION] != EV_CURRENT) {
michael@0:         cerr << "incompatible version" << endl;
michael@0:         return -1;
michael@0:     }
michael@0: 
michael@0:     return 0;
michael@0: }
michael@0: