neexe.h

   1 /* $Id: neexe.h,v 1.4 1993/07/04 04:04:21 root Exp root $
   2  */
   3 /*
   4  * Copyright  Robert J. Amstadt, 1993
   5  */
   6 #ifndef NEEXE_H
   7 #define NEEXE_H
   8
   9 /*
  10  * Old MZ header for DOS programs.  Actually just a couple of fields
  11  * from it, so that we can find the start of the NE header.
  12  */
  13 struct mz_header_s
  14 {
  15     u_char dont_care1[0x18];    /* MZ Header stuff                      */
  16     u_char must_be_0x40;        /* 0x40 for non-MZ program              */
  17     u_char dont_care2[0x23];    /* More MZ header stuff                 */
  18     u_short ne_offset;          /* Offset to extended header            */
  19 };
  20
  21 /*
  22  * This is the Windows executable (NE) header.
  23  */
  24 struct ne_header_s
  25 {
  26     char    header_type[2];     /* Must contain 'N' 'E'                 */
  27     u_char  linker_version;     /* Linker version number                */
  28     u_char  linker_revision;    /* Linker revision number               */
  29     u_short entry_tab_offset;   /* Offset to entry table relative to NE */
  30     u_short entry_tab_length;   /* Length of etnry table in bytes       */
  31     u_long  reserved1;          /* Reserved by Microsoft                */
  32     u_short format_flags;       /* Flags that segments in this file     */
  33     u_short auto_data_seg;      /* Automatic data segment number        */
  34     u_short local_heap_length;  /* Initial size of local heap           */
  35     u_short stack_length;       /* Initial size of stack                */
  36     u_short ip;                 /* Initial IP                           */
  37     u_short cs;                 /* Initial CS                           */
  38     u_short sp;                 /* Initial SP                           */
  39     u_short ss;                 /* Initial SS                           */
  40     u_short n_segment_tab;      /* # of entries in segment table        */
  41     u_short n_mod_ref_tab;      /* # of entries in module reference tab.*/
  42     u_short nrname_tab_length;  /* Length of nonresident-name table     */
  43     u_short segment_tab_offset; /* Offset to segment table              */
  44     u_short resource_tab_offset;/* Offset to resource table             */
  45     u_short rname_tab_offset;   /* Offset to resident-name table        */
  46     u_short moduleref_tab_offset;/* Offset to module reference table    */
  47     u_short iname_tab_offset;   /* Offset to imported name table        */
  48     u_long  nrname_tab_offset;  /* Offset to nonresident-name table     */
  49     u_short n_mov_entry_points; /* # of movable entry points            */
  50     u_short align_shift_count;  /* Logical sector alignment shift count */
  51     u_short n_resource_seg;     /* # of resource segments               */
  52     u_char  operating_system;   /* Flags indicating target OS           */
  53     u_char  additional_flags;   /* Additional information flags         */
  54     u_short fastload_offset;    /* Offset to fast load area             */
  55     u_short fastload_length;    /* Length of fast load area             */
  56     u_short reserved2;          /* Reserved by Microsoft                */
  57     u_short expect_version;     /* Expected Windows version number      */
  58 };
  59
  60 /*
  61  * NE Header FORMAT FLAGS
  62  */
  63 #define NE_FFLAGS_SINGLEDATA    0x0001
  64 #define NE_FFLAGS_MULTIPLEDATA  0x0002
  65 #define NE_FFLAGS_SELFLOAD      0x0800
  66 #define NE_FFLAGS_LINKERROR     0x2000
  67 #define NE_FFLAGS_LIBMODULE     0x8000
  68
  69 /*
  70  * NE Header OPERATING SYSTEM
  71  */
  72 #define NE_OSFLAGS_UNKNOWN      0x01
  73 #define NE_OSFLAGS_WINDOWS      0x04
  74
  75 /*
  76  * NE Header ADDITIONAL FLAGS
  77  */
  78 #define NE_AFLAGS_WIN2_PROTMODE 0x02
  79 #define NE_AFLAGS_WIN2_PROFONTS 0x04
  80 #define NE_AFLAGS_FASTLOAD      0x08
  81
  82 /*
  83  * Segment table entry
  84  */
  85 struct ne_segment_table_entry_s
  86 {
  87     u_short seg_data_offset;    /* Sector offset of segment data        */
  88     u_short seg_data_length;    /* Length of segment data               */
  89     u_short seg_flags;          /* Flags associated with this segment   */
  90     u_short min_alloc;          /* Minimum allocation size for this     */
  91 };
  92
  93 /*
  94  * Segment Flags
  95  */
  96 #define NE_SEGFLAGS_DATA        0x0001
  97 #define NE_SEGFLAGS_ALLOCATED   0x0002
  98 #define NE_SEGFLAGS_LOADED      0x0004
  99 #define NE_SEGFLAGS_MOVEABLE    0x0010
 100 #define NE_SEGFLAGS_SHAREABLE   0x0020
 101 #define NE_SEGFLAGS_PRELOAD     0x0040
 102 #define NE_SEGFLAGS_EXECUTEONLY 0x0080
 103 #define NE_SEGFLAGS_READONLY    0x0080
 104 #define NE_SEGFLAGS_RELOC_DATA  0x0100
 105 #define NE_SEGFLAGS_DISCARDABLE 0x1000
 106
 107 /*
 108  * Relocation table entry
 109  */
 110 struct relocation_entry_s
 111 {
 112     u_char  address_type;       /* Relocation address type              */
 113     u_char  relocation_type;    /* Relocation type                      */
 114     u_short offset;             /* Offset in segment to fixup           */
 115     u_short target1;            /* Target specification                 */
 116     u_short target2;            /* Target specification                 */
 117 };
 118
 119 /*
 120  * Relocation address types
 121  */
 122 #define NE_RADDR_LOWBYTE        0
 123 #define NE_RADDR_SELECTOR       2
 124 #define NE_RADDR_POINTER32      3
 125 #define NE_RADDR_OFFSET16       5
 126 #define NE_RADDR_POINTER48      11
 127 #define NE_RADDR_OFFSET32       13
 128
 129 /*
 130  * Relocation types
 131  */
 132 #define NE_RELTYPE_INTERNAL     0
 133 #define NE_RELTYPE_ORDINAL      1
 134 #define NE_RELTYPE_NAME         2
 135 #define NE_RELTYPE_OSFIXUP      3
 136
 137 /*
 138  * DOS PSP
 139  */
 140 struct dos_psp_s
 141 {
 142     unsigned short pspInt20;
 143     unsigned short pspNextParagraph;
 144     unsigned char  pspReserved1;
 145     unsigned char  pspDispatcher[5];
 146     unsigned short pspTerminateVector[2];
 147     unsigned short pspControlCVector[2];
 148     unsigned short pspCritErrorVector[2];
 149     unsigned short pspReserved2[11];
 150     unsigned short pspEnvironment;
 151     unsigned short pspReserved3[23];
 152     unsigned char  pspFCB_1[16];
 153     unsigned char  pspFCB_2[16];
 154     unsigned char  pspCommandTailCount;
 155     unsigned char  pspCommandTail[128];
 156 };
 157
 158 /*
 159  * Entry table structures.
 160  */
 161 struct entry_tab_header_s
 162 {
 163     unsigned char n_entries;
 164     unsigned char seg_number;
 165 };
 166
 167 struct entry_tab_movable_s
 168 {
 169     unsigned char flags;
 170     unsigned char int3f[2];
 171     unsigned char seg_number;
 172     unsigned short offset;
 173 };
 174
 175 struct entry_tab_fixed_s
 176 {
 177     unsigned char flags;
 178     unsigned char offset[2];
 179 };
 180
 181 /*
 182  * Resource table structures.
 183  */
 184 struct resource_nameinfo_s
 185 {
 186     unsigned short offset;
 187     unsigned short length;
 188     unsigned short flags;
 189     unsigned short id;
 190     unsigned short handle;
 191     unsigned short usage;
 192 };
 193
 194 struct resource_typeinfo_s
 195 {
 196     unsigned short type_id;     /* Type identifier */
 197     unsigned short count;       /* Number of resources of this type */
 198     unsigned long  reserved;
 199     /*
 200      * Name info array.
 201      */
 202 };
 203
 204 #define NE_RSCTYPE_ACCELERATOR          0x8009
 205 #define NE_RSCTYPE_BITMAP               0x8002
 206 #define NE_RSCTYPE_CURSOR               0x8001
 207 #define NE_RSCTYPE_DIALOG               0x8005
 208 #define NE_RSCTYPE_FONT                 0x8008
 209 #define NE_RSCTYPE_FONTDIR              0x8007
 210 #define NE_RSCTYPE_GROUP_CURSOR         0x800c
 211 #define NE_RSCTYPE_GROUP_ICON           0x800e
 212 #define NE_RSCTYPE_ICON                 0x8003
 213 #define NE_RSCTYPE_MENU                 0x8004
 214 #define NE_RSCTYPE_RCDATA               0x800a
 215 #define NE_RSCTYPE_STRING               0x8006
 216
 217 #endif /* NEEXE_H */