/* SCCSID = @(#)newexe.h 4.6 86/09/10 */ /* * Title * * newexe.h * Pete Stewart * (C) Copyright Microsoft Corp 1984-1987 * 17 August 1984 * * Description * * Data structure definitions for the DOS 4.0/Windows 2.0 * executable file format. * * Modification History * * 84/08/17 Pete Stewart Initial version * 84/10/17 Pete Stewart Changed some constants to match OMF * 84/10/23 Pete Stewart Updates to match .EXE format revision * 84/11/20 Pete Stewart Substantial .EXE format revision * 85/01/09 Pete Stewart Added constants ENEWEXE and ENEWHDR * 85/01/10 Steve Wood Added resource definitions * 85/03/04 Vic Heller Reconciled Windows and DOS 4.0 versions * 85/03/07 Pete Stewart Added movable entry count * 85/04/01 Pete Stewart Segment alignment field, error bit * 85/10/03 Reuben Borman Removed segment discard priority * 85/10/11 Vic Heller Added PIF header fields * 86/03/10 Reuben Borman Changes for DOS 5.0 * 86/09/02 Reuben Borman NSPURE ==> NSSHARED * 87/05/04 Reuben Borman Added ne_cres and NSCONFORM * 87/07/08 Reuben Borman Added NEAPPTYPE definitions * 87/10/28 Wieslaw Kalkus Added ne_exetyp * 89/03/23 Wieslaw Kalkus Added ne_flagsothers for OS/2 1.2 */ /*_________________________________________________________________* | | | | | DOS3 .EXE FILE HEADER DEFINITION | | | |_________________________________________________________________| * */ #define EMAGIC 0x5A4D /* Old magic number */ #define ENEWEXE sizeof(struct exe_hdr) /* Value of E_LFARLC for new .EXEs */ #define ENEWHDR 0x003C /* Offset in old hdr. of ptr. to new */ #define ERESWDS 0x000d /* No. of reserved words (OLD) */ #define ERES2WDS 0x000A /* No. of reserved words in e_res2 */ #define ECP 0x0004 /* Offset in struct of E_CP */ #define ECBLP 0x0002 /* Offset in struct of E_CBLP */ #define EMINALLOC 0x000A /* Offset in struct of E_MINALLOC */ #define EKNOWEAS 0x0001 /* e_flags - program understands EAs */ #define EDOSEXTENDED 0x0002 /* e_flags - program runs under DOS extender */ struct exe_hdr /* DOS 1, 2, 3 .EXE header */ { unsigned short e_magic; /* Magic number */ unsigned short e_cblp; /* Bytes on last page of file */ unsigned short e_cp; /* Pages in file */ unsigned short e_crlc; /* Relocations */ unsigned short e_cparhdr; /* Size of header in paragraphs */ unsigned short e_minalloc; /* Minimum extra paragraphs needed */ unsigned short e_maxalloc; /* Maximum extra paragraphs needed */ unsigned short e_ss; /* Initial (relative) SS value */ unsigned short e_sp; /* Initial SP value */ unsigned short e_csum; /* Checksum */ unsigned short e_ip; /* Initial IP value */ unsigned short e_cs; /* Initial (relative) CS value */ unsigned short e_lfarlc; /* File address of relocation table */ unsigned short e_ovno; /* Overlay number */ unsigned long e_sym_tab; /* offset of symbol table file */ unsigned short e_flags; /* old exe header flags */ unsigned short e_res; /* Reserved words */ unsigned short e_oemid; /* OEM identifier (for e_oeminfo) */ unsigned short e_oeminfo; /* OEM information; e_oemid specific */ unsigned short e_res2[ERES2WDS];/* Reserved words */ long e_lfanew; /* File address of new exe header */ }; #define E_MAGIC(x) (x).e_magic #define E_CBLP(x) (x).e_cblp #define E_CP(x) (x).e_cp #define E_CRLC(x) (x).e_crlc #define E_CPARHDR(x) (x).e_cparhdr #define E_MINALLOC(x) (x).e_minalloc #define E_MAXALLOC(x) (x).e_maxalloc #define E_SS(x) (x).e_ss #define E_SP(x) (x).e_sp #define E_CSUM(x) (x).e_csum #define E_IP(x) (x).e_ip #define E_CS(x) (x).e_cs #define E_LFARLC(x) (x).e_lfarlc #define E_OVNO(x) (x).e_ovno #define E_SYM_TAB(x) (x).e_sym_tab #define E_FLAGS(x) (x).e_flags #define E_RES(x) (x).e_res #define E_OEMID(x) (x).e_oemid #define E_OEMINFO(x) (x).e_oeminfo #define E_RES2(x) (x).e_res2 #define E_LFANEW(x) (x).e_lfanew