Source code of Windows XP (NT5)
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savedCS = 4savedIP = 2savedBP = 0savedDS = -2
EMAGIC = 05A4DhERESWDS = 0010hENEWHDR = 003EhENEWEXE = 0040h
EXE_HDR STRUCe_magic DW ? ; magic in same locatione_cblp DW ?e_cp DW ?e_crlc DW ?e_cparhdr DW ?e_minalloc DW ?e_maxalloc DW ?e_ss DW ?e_sp DW ?e_csum DW ?e_cs DW ?e_ip DW ?e_lfarlc DW ?e_ovno DW ?e_res DW ERESWDS DUP (?)e_lfanew DD ?EXE_HDR ENDS
NEMAGIC = 454EhNERESBYTES = 0
NEW_EXE STRUCne_magic DW ? ; Magic value 'NE'ne_ver DB ? ; version numberne_rev DB ? ; revision numberne_enttab DW ? ; offset to entry tablene_cbenttab DW ? ; number of bytes in entry table
ne_crc DD ? ; CRC of file
ne_flags DW ? ; flag wordne_autodata DW ? ; segment number of auto data segmentne_heap DW ? ; initial size of local heapne_stack DW ? ; initial size of stack
ne_csip DD ? ; CS:IP start addressne_sssp DD ? ; SS:SP initial stack pointer. 0 if ; stack size word non-zero
ne_cseg DW ? ; number of segment in segment tablene_cmod DW ? ; number of entries in module reference tablene_cbnrestab DW ? ; number of bytes in non-resident name table
ne_segtab DW ? ; NE relative offset to segment tablene_rsrctab DW ? ; NE relative offset to resource tablene_restab DW ? ; NE relative offset to resident name tablene_modtab DW ? ; NE relative offset to module reference tablene_imptab DW ? ; NE relative offset to imported name tablene_nrestab DD ? ; file offset to non-resident name tablene_cmovent DW ? ; Count of movable entriesne_align DW ? ; Alignment shift count for segment datane_cres DW ? ; Count of resource segmentsne_exetyp DB ? ; Target operating systemne_flagsothers DB ? ; Other .EXE flagsne_pretthunks DW ? ; offset to return thunksne_psegrefbytes DW ? ; offset to segment ref. bytesne_swaparea DW ? ; Minimum code swap area sizene_expver DW ? ; Expected Windows version numberNEW_EXE ENDS
; Chksum not supported unless ne_psegcsum defined in NEW_EXE structure
ne_psegcsum = word ptr ne_exetypne_onextexe = word ptr ne_crc
; New 3.0 Gang Load area description
ne_gang_start = ne_pretthunksne_gang_length = ne_psegrefbytes
NEW_EXE1 STRUC DW ?ne_usage DW ? DW ?ne_pnextexe DW ?ne_pautodata DW ?ne_pfileinfo DW ?NEW_EXE1 ENDS
NENOTP = 8000h ; Not a process (i.e. a library module)NEPRIVLIB = 4000h ; A library which lives above the lineNEIERR = 2000h ; Errors in imageNEAPPTYP = 0700h ; Application type maskNENOTWINCOMPAT = 0100h ; Not compatible with P.M. WindowingNEWINCOMPAT = 0200h ; Compatible with P.M. WindowingNEWINAPI = 0300h ; Uses P.M. Windowing APINEFLTP = 0080h ; Floating-point instructionsNEI386 = 0040h ; 386 instructionsNEI286 = 0020h ; 286 instructionsNEI086 = 0010h ; 8086 instructionsNEPROT = 0008h ; Runs in protected mode onlyNEPPLI = 0004h ; Per-Process Library InitializationNEINST = 0002h ; Instance dataNESOLO = 0001h ; Solo data
; Below are the private bits used by the Windows 2.0 loader. All are; in the file, with the exception of NENONRES and NEWINPROT which are; runtime only flags.;
NEWINPROT = NEIERRNENONRES = NEFLTP ; Contains non-resident code segmentsNEALLOCHIGH = NEI386 ; Private allocs above the line okayNEEMSSEPINST = NEI286 ; Want each instance in separateNELIM32 = NEI086 ; Uses LIM 3.2 API (Intel Above board)
; Following private bit is a runtime only flag used only ROM Windows.
NEMODINROM = NEEMSSEPINST ; Module loaded from ROM
;; Format of NE_FLAGSOTHERS(x):;; 7 6 5 4 3 2 1 0 - bit no; | | | |; | | | +---------------- Support for long file names; | | +------------------ 2.x app runs in protect mode; | +-------------------- 2.x app gets prop. font; +---------------------- Contains gangload area;
NELONGNAMES = 1hNEINFONT = 2h ; WIN30 - 2.x app runs in 3.x prot modeNEINPROT = 4h ; WIN30 - 2.x app gets proportional fontNEGANGLOAD = 8h ; WIN30 - Contains gangload areaNEASSUMENODEP = 10h ; WIN40 - DllEntryPoint known not to exitNEINTLAPP = 40h ; WIN31 - intl versions use this.NEHASPATCH = 80h ; WIN40 - Some segs of this module get patched
; Target operating systems
NE_UNKNOWN = 0 ; Unknown (any "new-format" OS)NE_OS2 = 1 ; Microsoft/IBM OS/2 (default)NE_WINDOWS = 2 ; Microsoft WindowsNE_DOS4 = 3 ; Microsoft MS-DOS 4.xNE_DEV386 = 4 ; Microsoft Windows 386
ifndef NO_APPLOADERNEAPPLOADER = 0800h ; set if application has its own loaderendif ;!NO_APPLOADER
NEW_SEG STRUCns_sector DW ? ; logical sector number in file of start of segmentns_cbseg DW ? ; number bytes in filens_flags DW ? ; segment flagsns_minalloc DW ? ; minimum number bytes to allocate for segmentNEW_SEG ENDS
NEW_SEG1 STRUC DB SIZE NEW_SEG DUP (?)ns_handle DW ? ; Handle to segment (0 if not loaded)NEW_SEG1 ENDS
NSTYPE = 0007h ; Segment type maskNSCODE = 0000h ; Code segmentNSDATA = 0001h ; Data segmentNSITER = 0008h ; Iterated segment dataNSMOVE = 0010h ; Moveable segmentNSSHARE = 0020h ; Shareable segmentNSPRELOAD = 0040h ; Preload this segmentNSERONLY = 0080h ; EXECUTE ONLY code/READ ONLY data segmentNSRELOC = 0100h ; Relocation information following segment dataNSDPL = 0C00h ; 286 DPL bitsNSDISCARD = 1000h ; Discard priority bitsNS286DOS = 0EE06h ; These bits only used by 286DOS
NSALIGN = 9 ; Default alignment shift count for seg. data
NSALLOCED = 0002h ; set if ns_handle points to uninitialized mem.NSLOADED = 0004h ; set if ns_handle points to initialized mem.NSUSESDATA = 0400h ; set if an entry point in this segment uses ; the automatic data segment of a SOLO library
NSGETHIGH = 0200hNSINDIRECT = 2000hNSWINCODE = 4000h ; flag for code
NSKCACHED = 0800h ; cached by kernelNSPRIVLIB = NSITERNSNOTP = 8000h
NSINROM = NSINDIRECT ; segment is loaded in ROMNSCOMPR = NSGETHIGH ; segment is compressed in ROM
ifndef NO_APPLOADERNSCACHED = 8000h ;* in AppLoader Cacheendif ;!NO_APPLOADER
NEW_RSRC STRUCrs_align DW ?NEW_RSRC ENDS
RSORDID = 08000h ; If high bit of rt_id or rn_id set then integer id
RSRC_TYPEINFO STRUCrt_id DW ?rt_nres DW ?rt_proc DD ?RSRC_TYPEINFO ENDS
RSRC_NAMEINFO STRUCrn_offset DW ?rn_length DW ?rn_flags DW ?rn_id DW ?rn_handle DW ?rn_usage DW ?RSRC_NAMEINFO ENDSRNMOVE = 00010h ; Moveable resourceRNPURE = 00020h ; Pure resource (read only)RNPRELOAD = 00040h ; Preload this resourceRNDISCARD = 01000h ; Discard bitRNLOADED = 00004h ; True if handler proc return handleRNCOMPR = 00200h ; Resource is compressed in ROMRNINROM = 02000h ; Resource is loaded in ROM (run time flag)
RNUNUSED = 0CD8Bh ; Unused resource flags
ENTFIXED STRUCentflags DB ?entoffset DW ?ENTFIXED ENDS
if SWAPPRO
ENTMOVEABLE STRUC DB ? ; Entry flagsentsar DB 5 DUP (?) ; sar cs:[xxxx] instruction DW ? ; INT 0F0H for swap profilerentjmpfarop DB ?entjmpfaroff DW ?entjmpfarseg DW ?ENTMOVEABLE ENDS
ENTSWAPPED STRUC DB ? ; Entry flags DB 5 DUP (?) ; sar cs:[xxxx] instruction DW ? ; INT 0F0H for swap profilerentintop DB ?entintvec DB ?entintsegno DB ?entintoff DW ?ENTSWAPPED ENDS
else ; no swap profiler
ENTMOVEABLE STRUC DB ? ; Entry flagsentsar DB 5 DUP (?) ; sar cs:[xxxx] instructionentjmpfarop DB ?entjmpfaroff DW ?entjmpfarseg DW ?ENTMOVEABLE ENDS
ENTSWAPPED STRUC DB ? ; Entry flags DB 5 DUP (?) ; sar cs:[xxxx] instructionentintop DB ?entintvec DB ?entintsegno DB ?entintoff DW ?ENTSWAPPED ENDS
endif ; if swap profiler
errnz <SIZE ENTMOVEABLE - SIZE ENTSWAPPED>
PENT STRUCpenttype DB ?pentflags DB ?pentsegno DB ?pentoffset DW ?PENT ENDS
PM_EntStruc STRUCPM_EntStart dw ?PM_EntEnd dw ?PM_EntNext dw ?PM_EntStruc ENDS
ENT_UNUSED = 000hENT_ABSSEG = 0FEhENT_MOVEABLE = 0FFhENT_PUBLIC = 001hENT_DATA = 002hINTOPCODE = 0CDh
if SWAPPROSWAPVECTOR = 0F0hendif
NEW_RLCINFO STRUCnr_nreloc DW ?NEW_RLCINFO ENDS
NEW_RLC STRUCnr_stype DB ?nr_flags DB ?nr_soff DW ?nr_mod DW ?nr_proc DW ?NEW_RLC ENDSnr_segno EQU nr_flags+3nr_entry EQU nr_proc
NRSTYP = 07hNRSBYTE = 00hNRSSEG = 02hNRSPTR = 03hNRSOFF = 05h
NRADD = 04hNRRTYP = 03hNRRINT = 00hNRRORD = 01hNRRNAM = 02hOSFIXUP = 03h
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