381 lines
16 KiB
C
381 lines
16 KiB
C
/*static char *SCCSID = "@(#)newexe.h:2.9";*/
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/*
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* Title
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*
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* newexe.h
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* Pete Stewart
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* (C) Copyright Microsoft Corp 1984
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* 17 August 1984
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*
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* Description
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*
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* Data structure definitions for the DOS 4.0/Windows 2.0
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* executable file format.
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*
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* Modification History
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*
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* 84/08/17 Pete Stewart Initial version
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* 84/10/17 Pete Stewart Changed some constants to match OMF
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* 84/10/23 Pete Stewart Updates to match .EXE format revision
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* 84/11/20 Pete Stewart Substantial .EXE format revision
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* 85/01/09 Pete Stewart Added constants ENEWEXE and ENEWHDR
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* 85/01/10 Steve Wood Added resource definitions
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* 85/03/04 Vic Heller Reconciled Windows and DOS 4.0 versions
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* 85/03/07 Pete Stewart Added movable entry count
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* 85/04/01 Pete Stewart Segment alignment field, error bit
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*/
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#define EMAGIC 0x5A4D /* Old magic number */
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#define ENEWEXE sizeof(struct exe_hdr)
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/* Value of E_LFARLC for new .EXEs */
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#define ENEWHDR 0x003C /* Offset in old hdr. of ptr. to new */
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#define ERESWDS 0x0010 /* No. of reserved words in header */
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#define ECP 0x0004 /* Offset in struct of E_CP */
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#define ECBLP 0x0002 /* Offset in struct of E_CBLP */
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#define EMINALLOC 0x000A /* Offset in struct of E_MINALLOC */
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struct exe_hdr /* DOS 1, 2, 3 .EXE header */
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{
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unsigned short e_magic; /* Magic number */
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unsigned short e_cblp; /* Bytes on last page of file */
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unsigned short e_cp; /* Pages in file */
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unsigned short e_crlc; /* Relocations */
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unsigned short e_cparhdr; /* Size of header in paragraphs */
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unsigned short e_minalloc; /* Minimum extra paragraphs needed */
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unsigned short e_maxalloc; /* Maximum extra paragraphs needed */
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unsigned short e_ss; /* Initial (relative) SS value */
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unsigned short e_sp; /* Initial SP value */
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unsigned short e_csum; /* Checksum */
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unsigned short e_ip; /* Initial IP value */
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unsigned short e_cs; /* Initial (relative) CS value */
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unsigned short e_lfarlc; /* File address of relocation table */
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unsigned short e_ovno; /* Overlay number */
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unsigned short e_res[ERESWDS]; /* Reserved words */
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long e_lfanew; /* File address of new exe header */
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};
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#define E_MAGIC(x) (x).e_magic
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#define E_CBLP(x) (x).e_cblp
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#define E_CP(x) (x).e_cp
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#define E_CRLC(x) (x).e_crlc
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#define E_CPARHDR(x) (x).e_cparhdr
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#define E_MINALLOC(x) (x).e_minalloc
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#define E_MAXALLOC(x) (x).e_maxalloc
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#define E_SS(x) (x).e_ss
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#define E_SP(x) (x).e_sp
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#define E_CSUM(x) (x).e_csum
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#define E_IP(x) (x).e_ip
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#define E_CS(x) (x).e_cs
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#define E_LFARLC(x) (x).e_lfarlc
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#define E_OVNO(x) (x).e_ovno
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#define E_RES(x) (x).e_res
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#define E_LFANEW(x) (x).e_lfanew
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#define NEMAGIC 0x454E /* New magic number */
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#define NERESBYTES 0
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struct new_exe /* New .EXE header */
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{
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unsigned short int ne_magic; /* Magic number NE_MAGIC */
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char ne_ver; /* Version number */
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char ne_rev; /* Revision number */
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unsigned short int ne_enttab; /* Offset of Entry Table */
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unsigned short int ne_cbenttab; /* Number of bytes in Entry Table */
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long ne_crc; /* Checksum of whole file */
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unsigned short int ne_flags; /* Flag word */
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unsigned short int ne_autodata; /* Automatic data segment number */
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unsigned short int ne_heap; /* Initial heap allocation */
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unsigned short int ne_stack; /* Initial stack allocation */
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long ne_csip; /* Initial CS:IP setting */
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long ne_sssp; /* Initial SS:SP setting */
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unsigned short int ne_cseg; /* Count of file segments */
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unsigned short int ne_cmod; /* Entries in Module Reference Table */
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unsigned short int ne_cbnrestab; /* Size of non-resident name table */
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unsigned short int ne_segtab; /* Offset of Segment Table */
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unsigned short int ne_rsrctab; /* Offset of Resource Table */
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unsigned short int ne_restab; /* Offset of resident name table */
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unsigned short int ne_modtab; /* Offset of Module Reference Table */
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unsigned short int ne_imptab; /* Offset of Imported Names Table */
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long ne_nrestab; /* Offset of Non-resident Names Table */
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unsigned short int ne_cmovent; /* Count of movable entries */
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unsigned short int ne_align; /* Segment alignment shift count */
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unsigned short int ne_cres; /* Count of resource segments */
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#ifdef NEVER
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unsigned short int ne_psegcsum; /* offset to segment chksums */
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#else
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unsigned char ne_exetyp; /* Target Operating system */
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unsigned char ne_flagsothers; /* Other .EXE flags */
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#endif
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unsigned short int ne_pretthunks; /* offset to return thunks */
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unsigned short int ne_psegrefbytes;/* offset to segment ref. bytes */
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unsigned short int ne_swaparea; /* Minimum code swap area size */
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unsigned short int ne_expver; /* Expected Windows version number */
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};
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#define NE_MAGIC(x) (x).ne_magic
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#define NE_VER(x) (x).ne_ver
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#define NE_REV(x) (x).ne_rev
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#define NE_ENTTAB(x) (x).ne_enttab
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#define NE_CBENTTAB(x) (x).ne_cbenttab
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#define NE_CRC(x) (x).ne_crc
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#define NE_FLAGS(x) (x).ne_flags
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#define NE_AUTODATA(x) (x).ne_autodata
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#define NE_HEAP(x) (x).ne_heap
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#define NE_STACK(x) (x).ne_stack
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#define NE_CSIP(x) (x).ne_csip
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#define NE_SSSP(x) (x).ne_sssp
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#define NE_CSEG(x) (x).ne_cseg
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#define NE_CMOD(x) (x).ne_cmod
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#define NE_CBNRESTAB(x) (x).ne_cbnrestab
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#define NE_SEGTAB(x) (x).ne_segtab
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#define NE_RSRCTAB(x) (x).ne_rsrctab
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#define NE_RESTAB(x) (x).ne_restab
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#define NE_MODTAB(x) (x).ne_modtab
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#define NE_IMPTAB(x) (x).ne_imptab
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#define NE_NRESTAB(x) (x).ne_nrestab
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#define NE_CMOVENT(x) (x).ne_cmovent
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#define NE_ALIGN(x) (x).ne_align
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#define NE_RES(x) (x).ne_res
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#define NE_EXETYPE(x) (x).ne_exetyp
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#define NE_USAGE(x) (WORD)*((WORD FAR *)(x)+1)
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#define NE_PNEXTEXE(x) (WORD)(x).ne_cbenttab
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#define NE_PAUTODATA(x) (WORD)(x).ne_crc
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#define NE_PFILEINFO(x) (WORD)((DWORD)(x).ne_crc >> 16)
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#ifdef DOS5
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#define NE_MTE(x) (x).ne_psegcsum /* DOS 5 MTE handle for this module */
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#endif
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/*
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* Format of NE_FLAGS(x):
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*
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* p Not-a-process
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* c Non-conforming
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* e Errors in image
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* xxxxxxxxx Unused
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* P Runs in protected mode
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* r Runs in real mode
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* i Instance data
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* s Solo data
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*/
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#define NENOTP 0x8000 /* Not a process */
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#define NENONC 0x4000 /* Non-conforming program */
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#define NEIERR 0x2000 /* Errors in image */
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#define NEPROT 0x0008 /* Runs in protected mode */
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#define NEREAL 0x0004 /* Runs in real mode */
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#define NEINST 0x0002 /* Instance data */
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#define NESOLO 0x0001 /* Solo data */
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struct new_seg /* New .EXE segment table entry */
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{
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unsigned short ns_sector; /* File sector of start of segment */
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unsigned short ns_cbseg; /* Number of bytes in file */
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unsigned short ns_flags; /* Attribute flags */
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unsigned short ns_minalloc; /* Minimum allocation in bytes */
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};
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struct new_seg1 /* New .EXE segment table entry */
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{
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unsigned short ns_sector; /* File sector of start of segment */
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unsigned short ns_cbseg; /* Number of bytes in file */
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unsigned short ns_flags; /* Attribute flags */
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unsigned short ns_minalloc; /* Minimum allocation in bytes */
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unsigned short ns_handle; /* Handle of segment */
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};
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#define NS_SECTOR(x) (x).ns_sector
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#define NS_CBSEG(x) (x).ns_cbseg
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#define NS_FLAGS(x) (x).ns_flags
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#define NS_MINALLOC(x) (x).ns_minalloc
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/*
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* Format of NS_FLAGS(x):
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*
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* xxxx Unused
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* DD 286 DPL bits
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* d Segment has debug info
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* r Segment has relocations
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* e Execute/read only
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* p Preload segment
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* P Pure segment
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* m Movable segment
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* i Iterated segment
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* ttt Segment type
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*/
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#define NSTYPE 0x0007 /* Segment type mask */
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#define NSCODE 0x0000 /* Code segment */
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#define NSDATA 0x0001 /* Data segment */
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#define NSITER 0x0008 /* Iterated segment flag */
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#define NSMOVE 0x0010 /* Movable segment flag */
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#define NSPURE 0x0020 /* Pure segment flag */
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#define NSPRELOAD 0x0040 /* Preload segment flag */
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#define NSEXRD 0x0080 /* Execute-only (code segment), or
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* read-only (data segment)
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*/
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#define NSRELOC 0x0100 /* Segment has relocations */
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#define NSDEBUG 0x0200 /* Segment has debug info */
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#define NSDPL 0x0C00 /* 286 DPL bits */
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#define NSDISCARD 0x1000 /* Discard bit for segment */
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#define NSALIGN 9 /* Segment data aligned on 512 byte boundaries */
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struct new_segdata /* Segment data */
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{
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union
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{
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struct
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{
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unsigned short ns_niter; /* number of iterations */
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unsigned short ns_nbytes; /* number of bytes */
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char ns_iterdata; /* iterated data bytes */
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} ns_iter;
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struct
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{
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char ns_data; /* data bytes */
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} ns_noniter;
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} ns_union;
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};
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struct new_rlcinfo /* Relocation info */
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{
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unsigned short nr_nreloc; /* number of relocation items that */
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}; /* follow */
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struct new_rlc /* Relocation item */
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{
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char nr_stype; /* Source type */
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char nr_flags; /* Flag byte */
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unsigned short nr_soff; /* Source offset */
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union
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{
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struct
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{
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char nr_segno; /* Target segment number */
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char nr_res; /* Reserved */
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unsigned short nr_entry; /* Target Entry Table offset */
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} nr_intref; /* Internal reference */
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struct
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{
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unsigned short nr_mod; /* Index into Module Reference Table */
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unsigned short nr_proc; /* Procedure ordinal or name offset */
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} nr_import; /* Import */
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} nr_union; /* Union */
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};
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#define NR_STYPE(x) (x).nr_stype
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#define NR_FLAGS(x) (x).nr_flags
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#define NR_SOFF(x) (x).nr_soff
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#define NR_SEGNO(x) (x).nr_union.nr_intref.nr_segno
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#define NR_RES(x) (x).nr_union.nr_intref.nr_res
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#define NR_ENTRY(x) (x).nr_union.nr_intref.nr_entry
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#define NR_MOD(x) (x).nr_union.nr_import.nr_mod
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#define NR_PROC(x) (x).nr_union.nr_import.nr_proc
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/*
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* Format of NR_STYPE(x):
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*
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* xxxxx Unused
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* sss Source type
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*/
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#define NRSTYP 0x07 /* Source type mask */
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#define NRSSEG 0x02 /* 16-bit segment */
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#define NRSPTR 0x03 /* 32-bit pointer */
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#define NRSOFF 0x05 /* 16-bit offset */
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/*
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* Format of NR_FLAGS(x):
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*
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* xxxxx Unused
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* a Additive fixup
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* rr Reference type
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*/
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#define NRADD 0x04 /* Additive fixup */
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#define NRRTYP 0x03 /* Reference type mask */
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#define NRRINT 0x00 /* Internal reference */
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#define NRRORD 0x01 /* Import by ordinal */
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#define NRRNAM 0x02 /* Import by name */
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#define OSFIXUP 0x03 /* Floating point fixup */
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/* Resource type or name string */
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struct rsrc_string
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{
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char rs_len; /* number of bytes in string */
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char rs_string[ 1 ]; /* text of string */
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};
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#define RS_LEN( x ) (x).rs_len
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#define RS_STRING( x ) (x).rs_string
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/* Resource type information block */
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struct rsrc_typeinfo
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{
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unsigned short rt_id;
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unsigned short rt_nres;
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long rt_proc;
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};
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#define RT_ID( x ) (x).rt_id
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#define RT_NRES( x ) (x).rt_nres
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#define RT_PROC( x ) (x).rt_proc
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/* Resource name information block */
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struct rsrc_nameinfo
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{
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/* The following two fields must be shifted left by the value of */
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/* the rs_align field to compute their actual value. This allows */
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/* resources to be larger than 64k, but they do not need to be */
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/* aligned on 512 byte boundaries, the way segments are */
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unsigned short rn_offset; /* file offset to resource data */
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unsigned short rn_length; /* length of resource data */
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unsigned short rn_flags; /* resource flags */
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unsigned short rn_id; /* resource name id */
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unsigned short rn_handle; /* If loaded, then global handle */
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unsigned short rn_usage; /* Initially zero. Number of times */
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/* the handle for this resource has */
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/* been given out */
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};
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#define RN_OFFSET( x ) (x).rn_offset
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#define RN_LENGTH( x ) (x).rn_length
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#define RN_FLAGS( x ) (x).rn_flags
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#define RN_ID( x ) (x).rn_id
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#define RN_HANDLE( x ) (x).rn_handle
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#define RN_USAGE( x ) (x).rn_usage
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#define RSORDID 0x8000 /* if high bit of ID set then integer id */
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/* otherwise ID is offset of string from
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the beginning of the resource table */
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/* Ideally these are the same as the */
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/* corresponding segment flags */
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#define RNMOVE 0x0010 /* Moveable resource */
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#define RNPURE 0x0020 /* Pure (read-only) resource */
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#define RNPRELOAD 0x0040 /* Preloaded resource */
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#define RNDISCARD 0x1000 /* Discard bit for resource */
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#define RNLOADED 0x0004 /* True if handler proc return handle */
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#define RNCOMPR 0x0200 /* Resource is compressed in ROM */
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/* Resource table */
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struct new_rsrc
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{
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unsigned short rs_align; /* alignment shift count for resources */
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struct rsrc_typeinfo rs_typeinfo;
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};
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#define RS_ALIGN( x ) (x).rs_align
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/* Target operating systems: Possible values of ne_exetyp field */
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#define NE_UNKNOWN 0 /* Unknown (any "new-format" OS) */
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#define NE_OS2 1 /* Microsoft/IBM OS/2 (default) */
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#define NE_WINDOWS 2 /* Microsoft Windows */
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#define NE_DOS4 3 /* Microsoft MS-DOS 4.x */
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#define NE_DEV386 4 /* Microsoft Windows 386 */
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