Source code of Windows XP (NT5)
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/* 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 */
#define EPCODE 0x0004 /* e_flags - memory image constructed from PCODE */
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
/*_________________________________________________________________*
| | | | | OS/2 & WINDOWS .EXE FILE HEADER DEFINITION - 286 version | | | |_________________________________________________________________| * */
#define NEMAGIC 0x454E /* New magic number */
#define NERESBYTES 0 /* No bytes reserved after Windows 3.0 changes */
#define NECRC 8 /* Offset into new header of NE_CRC */
struct new_exe /* New .EXE header */ { unsigned short ne_magic; /* Magic number NE_MAGIC */ unsigned char ne_ver; /* Version number */ unsigned char ne_rev; /* Revision number */ unsigned short ne_enttab; /* Offset of Entry Table */ unsigned short ne_cbenttab; /* Number of bytes in Entry Table */ long ne_crc; /* Checksum of whole file */ unsigned short ne_flags; /* Flag word */ unsigned short ne_autodata; /* Automatic data segment number */ unsigned short ne_heap; /* Initial heap allocation */ unsigned short ne_stack; /* Initial stack allocation */ long ne_csip; /* Initial CS:IP setting */ long ne_sssp; /* Initial SS:SP setting */ unsigned short ne_cseg; /* Count of file segments */ unsigned short ne_cmod; /* Entries in Module Reference Table */ unsigned short ne_cbnrestab; /* Size of non-resident name table */ unsigned short ne_segtab; /* Offset of Segment Table */ unsigned short ne_rsrctab; /* Offset of Resource Table */ unsigned short ne_restab; /* Offset of resident name table */ unsigned short ne_modtab; /* Offset of Module Reference Table */ unsigned short ne_imptab; /* Offset of Imported Names Table */ long ne_nrestab; /* Offset of Non-resident Names Table */ unsigned short ne_cmovent; /* Count of movable entries */ unsigned short ne_align; /* Segment alignment shift count */ unsigned short ne_cres; /* Count of resource entries */ unsigned char ne_exetyp; /* Target operating system */ unsigned char ne_flagsothers; /* Other .EXE flags */ unsigned short ne_pretthunks; /* Windows 3.0 - offset to return thunks */ unsigned short ne_psegrefbytes;/* Windows 3.0 - offset to segment ref. bytes */ unsigned short ne_swaparea; /* Windows 3.0 - minimum code swap size */ unsigned short ne_expver; /* Windows 3.0 - expected windows version number */ };
#define NE_MAGIC(x) (x).ne_magic
#define NE_VER(x) (x).ne_ver
#define NE_REV(x) (x).ne_rev
#define NE_ENTTAB(x) (x).ne_enttab
#define NE_CBENTTAB(x) (x).ne_cbenttab
#define NE_CRC(x) (x).ne_crc
#define NE_FLAGS(x) (x).ne_flags
#define NE_AUTODATA(x) (x).ne_autodata
#define NE_HEAP(x) (x).ne_heap
#define NE_STACK(x) (x).ne_stack
#define NE_CSIP(x) (x).ne_csip
#define NE_SSSP(x) (x).ne_sssp
#define NE_CSEG(x) (x).ne_cseg
#define NE_CMOD(x) (x).ne_cmod
#define NE_CBNRESTAB(x) (x).ne_cbnrestab
#define NE_SEGTAB(x) (x).ne_segtab
#define NE_RSRCTAB(x) (x).ne_rsrctab
#define NE_RESTAB(x) (x).ne_restab
#define NE_MODTAB(x) (x).ne_modtab
#define NE_IMPTAB(x) (x).ne_imptab
#define NE_NRESTAB(x) (x).ne_nrestab
#define NE_CMOVENT(x) (x).ne_cmovent
#define NE_ALIGN(x) (x).ne_align
#define NE_CRES(x) (x).ne_cres
#define NE_RES(x) (x).ne_res
#define NE_EXETYP(x) (x).ne_exetyp
#define NE_FLAGSOTHERS(x) (x).ne_flagsothers
#define NE_PRETTHUNKS(x) (x).ne_pretthunks
#define NE_PSEGREFBYTES(x) (x).ne_psegrefbytes
#define NE_SWAPAREA(x) (x).ne_swaparea
#define NE_EXPVER(x) (x).ne_expver
#define NE_USAGE(x) (WORD)*((WORD *)(x)+1)
#define NE_PNEXTEXE(x) (WORD)(x).ne_cbenttab
#define NE_ONEWEXE(x) (WORD)(x).ne_crc
#define NE_PFILEINFO(x) (WORD)((DWORD)(x).ne_crc >> 16)
/*
* Target operating systems */
#define NE_UNKNOWN 0x0 /* Unknown (any "new-format" OS) */
#define NE_OS2 0x1 /* Microsoft/IBM OS/2 (default) */
#define NE_WINDOWS 0x2 /* Microsoft Windows */
#define NE_DOS 0x3 /* Microsoft MS-DOS */
#define NE_DEV386 0x4 /* Microsoft Windows 386 */
/*
* Format of NE_FLAGS(x): * * p Not-a-process * x Unused * e Errors in image * x Unused * b Bound Family/API * ttt Application type * f Floating-point instructions * 3 386 instructions * 2 286 instructions * 0 8086 instructions * P Protected mode only * p Per-process library initialization * i Instance data * s Solo data */#define NENOTP 0x8000 /* Not a process */
#define NEPRIVLIB 0x4000 /* A one customer Windows 3.0 library */
#define NEIERR 0x2000 /* Errors in image */
#define NEBOUND 0x0800 /* Bound Family/API */
#define NEAPPLOADER 0x0800 /* Aplication specific loader - valid only for Windows */
#define NEAPPTYP 0x0700 /* Application type mask */
#define NENOTWINCOMPAT 0x0100 /* Not compatible with P.M. Windowing */
#define NEWINCOMPAT 0x0200 /* Compatible with P.M. Windowing */
#define NEWINAPI 0x0300 /* Uses P.M. Windowing API */
#define NEFLTP 0x0080 /* Floating-point instructions */
#define NEI386 0x0040 /* 386 instructions */
#define NEI286 0x0020 /* 286 instructions */
#define NEI086 0x0010 /* 8086 instructions */
#define NEPROT 0x0008 /* Runs in protected mode only */
#define NEPPLI 0x0004 /* Per-Process Library Initialization */
#define NEINST 0x0002 /* Instance data */
#define NESOLO 0x0001 /* Solo data */
/*
* Format of NE_FLAGSOTHERS(x): * * 7 6 5 4 3 2 1 0 - bit no * | | | | | * | | | | +---------------- Support for EAs and Long filenames * | | | +------------------ Reserved for Win30 * | | +-------------------- Reserved for Win30 * | +---------------------- Reserved for Win30 * +------------------------ Memory image constructed from PCODE */
#define NENEWFILES 0x01 /* os/2 app understands eas and longnames */
#define NEINFONT 0x02 /* 2.x app gets proportional font */
#define NEINPROT 0x04 /* 2.x app runs in 3.x prot mode */
#define NEGANGLOAD 0x08 /* Reserved for Win 3.0 */
#define NEHASPCODE 0x10 /* .EXE contains PCODE module */
struct new_seg /* New .EXE segment table entry */ { unsigned short ns_sector; /* File sector of start of segment */ unsigned short ns_cbseg; /* Number of bytes in file */ unsigned short ns_flags; /* Attribute flags */ unsigned short ns_minalloc; /* Minimum allocation in bytes */ };
#define NS_SECTOR(x) (x).ns_sector
#define NS_CBSEG(x) (x).ns_cbseg
#define NS_FLAGS(x) (x).ns_flags
#define NS_MINALLOC(x) (x).ns_minalloc
/*
* Format of NS_FLAGS(x) * * Flag word has the following format: * * 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0 - bit no * | | | | | | | | | | | | | | | * | | | | | | | | | | | | +-+-+--- Segment type DATA/CODE * | | | | | | | | | | | +--------- Iterated segment * | | | | | | | | | | +----------- Movable segment * | | | | | | | | | +------------- Segment can be shared * | | | | | | | | +--------------- Preload segment * | | | | | | | +----------------- Execute/read-only for code/data segment * | | | | | | +------------------- Segment has relocations * | | | | | +--------------------- Code conforming/Data is expand down * | | | +--+----------------------- I/O privilege level * | | +----------------------------- Discardable segment * | +-------------------------------- 32-bit code segment * +----------------------------------- Huge segment/GDT allocation requested * */
#define NSTYPE 0x0007 /* Segment type mask */
#if !EXE386
#define NSCODE 0x0000 /* Code segment */
#define NSDATA 0x0001 /* Data segment */
#define NSITER 0x0008 /* Iterated segment flag */
#define NSMOVE 0x0010 /* Movable segment flag */
#define NSSHARED 0x0020 /* Shared segment flag */
#define NSPRELOAD 0x0040 /* Preload segment flag */
#define NSEXRD 0x0080 /* Execute-only (code segment), or
* read-only (data segment) */#define NSRELOC 0x0100 /* Segment has relocations */
#define NSCONFORM 0x0200 /* Conforming segment */
#define NSEXPDOWN 0x0200 /* Data segment is expand down */
#define NSDPL 0x0C00 /* I/O privilege level (286 DPL bits) */
#define SHIFTDPL 10 /* Left shift count for SEGDPL field */
#define NSDISCARD 0x1000 /* Segment is discardable */
#define NS32BIT 0x2000 /* 32-bit code segment */
#define NSHUGE 0x4000 /* Huge memory segment, length of
* segment and minimum allocation * size are in segment sector units */#define NSGDT 0x8000 /* GDT allocation requested */
#define NSPURE NSSHARED /* For compatibility */
#define NSALIGN 9 /* Segment data aligned on 512 byte boundaries */
#define NSLOADED 0x0004 /* ns_sector field contains memory addr */
#endif
struct new_segdata /* Segment data */ { union { struct { unsigned short ns_niter; /* number of iterations */ unsigned short ns_nbytes; /* number of bytes */ char ns_iterdata; /* iterated data bytes */ } ns_iter; struct { char ns_data; /* data bytes */ } ns_noniter; } ns_union; };
struct new_rlcinfo /* Relocation info */ { unsigned short nr_nreloc; /* number of relocation items that */ }; /* follow */
#pragma pack(1)
struct new_rlc /* Relocation item */ { unsigned char nr_stype; /* Source type */ unsigned char nr_flags; /* Flag byte */ unsigned short nr_soff; /* Source offset */ union { struct { unsigned char nr_segno; /* Target segment number */ unsigned char nr_res; /* Reserved */ unsigned short nr_entry; /* Target Entry Table offset */ } nr_intref; /* Internal reference */ struct { unsigned short nr_mod; /* Index into Module Reference Table */ unsigned short nr_proc; /* Procedure ordinal or name offset */ } nr_import; /* Import */ struct { unsigned short nr_ostype; /* OSFIXUP type */ unsigned short nr_osres; /* reserved */ } nr_osfix; /* Operating system fixup */ } nr_union; /* Union */ };
#pragma pack()
#define NR_STYPE(x) (x).nr_stype
#define NR_FLAGS(x) (x).nr_flags
#define NR_SOFF(x) (x).nr_soff
#define NR_SEGNO(x) (x).nr_union.nr_intref.nr_segno
#define NR_RES(x) (x).nr_union.nr_intref.nr_res
#define NR_ENTRY(x) (x).nr_union.nr_intref.nr_entry
#define NR_MOD(x) (x).nr_union.nr_import.nr_mod
#define NR_PROC(x) (x).nr_union.nr_import.nr_proc
#define NR_OSTYPE(x) (x).nr_union.nr_osfix.nr_ostype
#define NR_OSRES(x) (x).nr_union.nr_osfix.nr_osres
/*
* Format of NR_STYPE(x) and R32_STYPE(x): * * 7 6 5 4 3 2 1 0 - bit no * | | | | * +-+-+-+--- source type * */
#define NRSTYP 0x0f /* Source type mask */
#define NRSBYT 0x00 /* lo byte (8-bits)*/
#define NRSSEG 0x02 /* 16-bit segment (16-bits) */
#define NRSPTR 0x03 /* 16:16 pointer (32-bits) */
#define NRSOFF 0x05 /* 16-bit offset (16-bits) */
#define NRPTR48 0x06 /* 16:32 pointer (48-bits) */
#define NROFF32 0x07 /* 32-bit offset (32-bits) */
#define NRSOFF32 0x08 /* 32-bit self-relative offset (32-bits) */
/*
* Format of NR_FLAGS(x) and R32_FLAGS(x): * * 7 6 5 4 3 2 1 0 - bit no * | | | * | +-+--- Reference type * +------- Additive fixup */
#define NRADD 0x04 /* Additive fixup */
#define NRRTYP 0x03 /* Reference type mask */
#define NRRINT 0x00 /* Internal reference */
#define NRRORD 0x01 /* Import by ordinal */
#define NRRNAM 0x02 /* Import by name */
#define NRROSF 0x03 /* Operating system fixup */
#if !EXE386
/* Resource type or name string */struct rsrc_string { unsigned char rs_len; /* number of bytes in string */ unsigned char rs_string[ 1 ]; /* text of string */ };
#define RS_LEN( x ) (x).rs_len
#define RS_STRING( x ) (x).rs_string
/* Resource type information block */struct rsrc_typeinfo { unsigned short rt_id; unsigned short rt_nres; long rt_proc; };
#define RT_ID( x ) (x).rt_id
#define RT_NRES( x ) (x).rt_nres
#define RT_PROC( x ) (x).rt_proc
/* Resource name information block */struct rsrc_nameinfo { /* The following two fields must be shifted left by the value of */ /* the rs_align field to compute their actual value. This allows */ /* resources to be larger than 64k, but they do not need to be */ /* aligned on 512 byte boundaries, the way segments are */ unsigned short rn_offset; /* file offset to resource data */ unsigned short rn_length; /* length of resource data */ unsigned short rn_flags; /* resource flags */ unsigned short rn_id; /* resource name id */ unsigned short rn_handle; /* If loaded, then global handle */ unsigned short rn_usage; /* Initially zero. Number of times */ /* the handle for this resource has */ /* been given out */ };
#define RN_OFFSET( x ) (x).rn_offset
#define RN_LENGTH( x ) (x).rn_length
#define RN_FLAGS( x ) (x).rn_flags
#define RN_ID( x ) (x).rn_id
#define RN_HANDLE( x ) (x).rn_handle
#define RN_USAGE( x ) (x).rn_usage
#define RSORDID 0x8000 /* if high bit of ID set then integer id */
/* otherwise ID is offset of string from
the beginning of the resource table */
/* Ideally these are the same as the */ /* corresponding segment flags */#define RNMOVE 0x0010 /* Moveable resource */
#define RNPURE 0x0020 /* Pure (read-only) resource */
#define RNPRELOAD 0x0040 /* Preloaded resource */
#define RNDISCARD 0xF000 /* Discard priority level for resource */
/* Resource table */struct new_rsrc { unsigned short rs_align; /* alignment shift count for resources */ struct rsrc_typeinfo rs_typeinfo; };
#define RS_ALIGN( x ) (x).rs_align
#endif /* !EXE386 */
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