/*static char *SCCSID = "@(#)newexe.h:2.9";*/
/*
* Title
*
* newexe.h
* Pete Stewart
* (C) Copyright Microsoft Corp 1984
* 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
*/
#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 0x0010 /* No. of reserved words in header */
#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 */
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 short e_res[ERESWDS]; /* 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_RES(x) (x).e_res
#define E_LFANEW(x) (x).e_lfanew
#define NEMAGIC 0x454E /* New magic number */
#define NERESBYTES 0
struct new_exe /* New .EXE header */
{
unsigned short int ne_magic; /* Magic number NE_MAGIC */
char ne_ver; /* Version number */
char ne_rev; /* Revision number */
unsigned short int ne_enttab; /* Offset of Entry Table */
unsigned short int ne_cbenttab; /* Number of bytes in Entry Table */
long ne_crc; /* Checksum of whole file */
unsigned short int ne_flags; /* Flag word */
unsigned short int ne_autodata; /* Automatic data segment number */
unsigned short int ne_heap; /* Initial heap allocation */
unsigned short int ne_stack; /* Initial stack allocation */
long ne_csip; /* Initial CS:IP setting */
long ne_sssp; /* Initial SS:SP setting */
unsigned short int ne_cseg; /* Count of file segments */
unsigned short int ne_cmod; /* Entries in Module Reference Table */
unsigned short int ne_cbnrestab; /* Size of non-resident name table */
unsigned short int ne_segtab; /* Offset of Segment Table */
unsigned short int ne_rsrctab; /* Offset of Resource Table */
unsigned short int ne_restab; /* Offset of resident name table */
unsigned short int ne_modtab; /* Offset of Module Reference Table */
unsigned short int ne_imptab; /* Offset of Imported Names Table */
long ne_nrestab; /* Offset of Non-resident Names Table */
unsigned short int ne_cmovent; /* Count of movable entries */
unsigned short int ne_align; /* Segment alignment shift count */
unsigned short int ne_cres; /* Count of resource segments */
#ifdef NEVER
unsigned short int ne_psegcsum; /* offset to segment chksums */
#else
unsigned char ne_exetyp; /* Target Operating system */
unsigned char ne_flagsothers; /* Other .EXE flags */
#endif
unsigned short int ne_pretthunks; /* offset to return thunks */
unsigned short int ne_psegrefbytes;/* offset to segment ref. bytes */
unsigned short int ne_swaparea; /* Minimum code swap area size */
unsigned short int ne_expver; /* 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_RES(x) (x).ne_res
#define NE_EXETYPE(x) (x).ne_exetyp
#define NE_USAGE(x) (WORD)*((WORD FAR *)(x)+1)
#define NE_PNEXTEXE(x) (WORD)(x).ne_cbenttab
#define NE_PAUTODATA(x) (WORD)(x).ne_crc
#define NE_PFILEINFO(x) (WORD)((DWORD)(x).ne_crc >> 16)
#ifdef DOS5
#define NE_MTE(x) (x).ne_psegcsum /* DOS 5 MTE handle for this module */
#endif
/*
* Format of NE_FLAGS(x):
*
* p Not-a-process
* c Non-conforming
* e Errors in image
* xxxxxxxxx Unused
* P Runs in protected mode
* r Runs in real mode
* i Instance data
* s Solo data
*/
#define NENOTP 0x8000 /* Not a process */
#define NENONC 0x4000 /* Non-conforming program */
#define NEIERR 0x2000 /* Errors in image */
#define NEPROT 0x0008 /* Runs in protected mode */
#define NEREAL 0x0004 /* Runs in real mode */
#define NEINST 0x0002 /* Instance data */
#define NESOLO 0x0001 /* Solo data */
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 */
};
struct new_seg1 /* 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 */
unsigned short ns_handle; /* Handle of segment */
};
#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):
*
* xxxx Unused
* DD 286 DPL bits
* d Segment has debug info
* r Segment has relocations
* e Execute/read only
* p Preload segment
* P Pure segment
* m Movable segment
* i Iterated segment
* ttt Segment type
*/
#define NSTYPE 0x0007 /* Segment type mask */
#define NSCODE 0x0000 /* Code segment */
#define NSDATA 0x0001 /* Data segment */
#define NSITER 0x0008 /* Iterated segment flag */
#define NSMOVE 0x0010 /* Movable segment flag */
#define NSPURE 0x0020 /* Pure 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 NSDEBUG 0x0200 /* Segment has debug info */
#define NSDPL 0x0C00 /* 286 DPL bits */
#define NSDISCARD 0x1000 /* Discard bit for segment */
#define NSALIGN 9 /* Segment data aligned on 512 byte boundaries */
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 */
struct new_rlc /* Relocation item */
{
char nr_stype; /* Source type */
char nr_flags; /* Flag byte */
unsigned short nr_soff; /* Source offset */
union
{
struct
{
char nr_segno; /* Target segment number */
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 */
} nr_union; /* Union */
};
#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
/*
* Format of NR_STYPE(x):
*
* xxxxx Unused
* sss Source type
*/
#define NRSTYP 0x07 /* Source type mask */
#define NRSSEG 0x02 /* 16-bit segment */
#define NRSPTR 0x03 /* 32-bit pointer */
#define NRSOFF 0x05 /* 16-bit offset */
/*
* Format of NR_FLAGS(x):
*
* xxxxx Unused
* a Additive fixup
* rr Reference type
*/
#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 OSFIXUP 0x03 /* Floating point fixup */
/* Resource type or name string */
struct rsrc_string
{
char rs_len; /* number of bytes in string */
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 0x1000 /* Discard bit for resource */
#define RNLOADED 0x0004 /* True if handler proc return handle */
#define RNCOMPR 0x0200 /* Resource is compressed in ROM */
/* 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
/* Target operating systems: Possible values of ne_exetyp field */
#define NE_UNKNOWN 0 /* Unknown (any "new-format" OS) */
#define NE_OS2 1 /* Microsoft/IBM OS/2 (default) */
#define NE_WINDOWS 2 /* Microsoft Windows */
#define NE_DOS4 3 /* Microsoft MS-DOS 4.x */
#define NE_DEV386 4 /* Microsoft Windows 386 */