source: trunk/tools/common/MZexe.h

Last change on this file was 8003, checked in by bird, 24 years ago

New kFile* classes; now in sync with os2tools.
File size: 5.6 KB
RevLine 
[8003]1/* $Id: MZexe.h,v 1.1 2002-02-24 02:47:22 bird Exp $
2 *
3 * MZ DEFINITIONS AND DECLARATIONS.
4 * --------------------------------
5 *
6 * Copyright Robert J. Amstadt 1993
7 * Copyright IBM Corp 1984-1992
8 * Copyright IBM Corp 1987-1992
9 * Copyright Microsoft Corp 1984-1987
10 * Copyright knut st. osmundsen 2001 (I've messed them up ;-)
11 *
12 */
13
14#ifndef _MZexe_h_
15#define _MZexe_h_
16
17
18/*
19 * The EXE.h way of declaring this struct.
20 */
21struct exe
22{
23 unsigned short eid; /* contains EXEID, below */
24 unsigned short elast; /* # of bytes in last page */
25 unsigned short epagsiz; /* # of pages in whole file */
26 unsigned short erelcnt; /* # of relocation entrys */
27 unsigned short ehdrsiz; /* size of header, in paragraphs */
28 unsigned short eminfre; /* min # of free paragraphs needed */
29 unsigned short emaxfre; /* max # of free paragraphs needed */
30 unsigned short eiSS; /* initial SS value */
31 unsigned short eiSP; /* initial SP value */
32 unsigned short enegsum; /* negative sum of entire file */
33 unsigned short eiIP; /* initial IP value */
34 unsigned short eiCS; /* initial CS value */
35 unsigned short ereloff; /* offset in file of relocation table */
36 unsigned short eovlnum; /* number of the overlay */
37
38/*
39 * the following fields may not be present.
40 * ereloff = 28 not present
41 * = 30 exe.ever present and valid
42 * = 32 exe.ever field contains garbage
43 * ereloff > 32 exe.ever present and valid
44 * = 0 if "don't know"
45 */
46 unsigned short ever; /* version # of producing linker */
47 unsigned short dumy; /* unused */
48
49/*
50 * the following fields may not be present - if the exe.ereloff
51 * value encompasses the fields then they are present and valid.
52 */
53 unsigned short ebb; /* behavior bits */
54 unsigned short dumy2[7]; /* must be 0 until defined */
55};
56
57
58
59/*
60 * The NEWEXE.h way of declaring this header.
61 */
62#define EMAGIC 0x5A4D /* Old magic number */
63#define ENEWEXE sizeof(struct exe_hdr) /* Value of E_LFARLC for new .EXEs */
64#define ENEWHDR 0x003C /* Offset in old hdr. of ptr. to new */
65#define ERESWDS 0x0010 /* No. of reserved words (OLD) */
66#define ERES1WDS 0x0004 /* No. of reserved words in e_res */
67#define ERES2WDS 0x000A /* No. of reserved words in e_res2 */
68#define ECP 0x0004 /* Offset in struct of E_CP */
69#define ECBLP 0x0002 /* Offset in struct of E_CBLP */
70#define EMINALLOC 0x000A /* Offset in struct of E_MINALLOC */
71struct exe_hdr /* DOS 1, 2, 3 .EXE header */
72{
73 unsigned short e_magic; /* Magic number */
74 unsigned short e_cblp; /* Bytes on last page of file */
75 unsigned short e_cp; /* Pages in file */
76 unsigned short e_crlc; /* Relocations */
77 unsigned short e_cparhdr; /* Size of header in paragraphs */
78 unsigned short e_minalloc; /* Minimum extra paragraphs needed */
79 unsigned short e_maxalloc; /* Maximum extra paragraphs needed */
80 unsigned short e_ss; /* Initial (relative) SS value */
81 unsigned short e_sp; /* Initial SP value */
82 unsigned short e_csum; /* Checksum */
83 unsigned short e_ip; /* Initial IP value */
84 unsigned short e_cs; /* Initial (relative) CS value */
85 unsigned short e_lfarlc; /* File address of relocation table */
86 unsigned short e_ovno; /* Overlay number */
87 unsigned short e_res[ERES1WDS];/* Reserved words */
88 unsigned short e_oemid; /* OEM identifier (for e_oeminfo) */
89 unsigned short e_oeminfo; /* OEM information; e_oemid specific */
90 unsigned short e_res2[ERES2WDS];/* Reserved words */
91 long e_lfanew; /* File address of new exe header */
92};
93
94
95
96/*
97 * The NT way of declaring this header.
98 */
99typedef struct
100{
101 unsigned short e_magic; /* MZ Header signature */
102 unsigned short e_cblp; /* Bytes on last page of file */
103 unsigned short e_cp; /* Pages in file */
104 unsigned short e_crlc; /* Relocations */
105 unsigned short e_cparhdr; /* Size of header in paragraphs */
106 unsigned short e_minalloc; /* Minimum extra paragraphs needed */
107 unsigned short e_maxalloc; /* Maximum extra paragraphs needed */
108 unsigned short e_ss; /* Initial (relative) SS value */
109 unsigned short e_sp; /* Initial SP value */
110 unsigned short e_csum; /* Checksum */
111 unsigned short e_ip; /* Initial IP value */
112 unsigned short e_cs; /* Initial (relative) CS value */
113 unsigned short e_lfarlc; /* File address of relocation table */
114 unsigned short e_ovno; /* Overlay number */
115 unsigned short e_res[4]; /* Reserved words */
116 unsigned short e_oemid; /* OEM identifier (for e_oeminfo) */
117 unsigned short e_oeminfo; /* OEM information; e_oemid specific */
118 unsigned short e_res2[10]; /* Reserved words */
119 unsigned long e_lfanew; /* Offset to extended header */
120} IMAGE_DOS_HEADER, *PIMAGE_DOS_HEADER;
121
122#define IMAGE_DOS_SIGNATURE 0x5A4D /* MZ */
123
124
125
126#endif
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