| /* msdos.h - MS-DOS and derived executable header information | |
| Copyright (C) 1999-2026 Free Software Foundation, Inc. | |
| This file is part of BFD, the Binary File Descriptor library. | |
| This program is free software; you can redistribute it and/or modify | |
| it under the terms of the GNU General Public License as published by | |
| the Free Software Foundation; either version 3 of the License, or | |
| (at your option) any later version. | |
| This program is distributed in the hope that it will be useful, | |
| but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| GNU General Public License for more details. | |
| You should have received a copy of the GNU General Public License | |
| along with this program; if not, write to the Free Software Foundation, | |
| Inc., 51 Franklin Street - Fifth Floor, Boston, MA 02110-1301, USA. */ | |
| #ifndef _MSDOS_H | |
| #define _MSDOS_H | |
| #define IMAGE_DOS_SIGNATURE 0x5a4d /* MZ */ | |
| #define IMAGE_OS2_SIGNATURE 0x454e /* NE */ | |
| #define IMAGE_OS2_SIGNATURE_LE 0x454c /* LE */ | |
| #define IMAGE_OS2_SIGNATURE_LX 0x584c /* LX */ | |
| #define IMAGE_NT_SIGNATURE 0x00004550 /* PE\0\0 */ | |
| struct external_DOS_hdr | |
| { | |
| /* DOS header fields - always at offset zero in the EXE file. */ | |
| char e_magic[2]; /* Magic number. */ | |
| char e_cblp[2]; /* Bytes on last page of file. */ | |
| char e_cp[2]; /* Pages in file. */ | |
| char e_crlc[2]; /* Relocations. */ | |
| char e_cparhdr[2]; /* Size of header in paragraphs. */ | |
| char e_minalloc[2]; /* Minimum extra paragraphs needed. */ | |
| char e_maxalloc[2]; /* Maximum extra paragraphs needed. */ | |
| char e_ss[2]; /* Initial (relative) SS value. */ | |
| char e_sp[2]; /* Initial SP value. */ | |
| char e_csum[2]; /* Checksum. */ | |
| char e_ip[2]; /* Initial IP value. */ | |
| char e_cs[2]; /* Initial (relative) CS value. */ | |
| char e_lfarlc[2]; /* File address of relocation table. */ | |
| char e_ovno[2]; /* Overlay number. */ | |
| char e_res[4][2]; /* Reserved words, all 0x0. */ | |
| char e_oemid[2]; /* OEM identifier. */ | |
| char e_oeminfo[2]; /* OEM information. */ | |
| char e_res2[10][2]; /* Reserved words, all 0x0. */ | |
| char e_lfanew[4]; /* File address of new exe header, usually 0x80. */ | |
| char dos_message[64]; /* Other stuff, always follow DOS header. */ | |
| }; | |
| /* The actual DOS header only includes up to the e_ovno field. */ | |
| #define DOS_HDR_SIZE (offsetof (struct external_DOS_hdr, e_res)) | |
| #endif /* _MSDOS_H */ |