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/*****************************************************************************

;*                                                                           *

;*    This structure define format of LE header for OS/2,Windows exe files   *

;*       ----------------------------------------------------------          *

;*                                                                           *

;*    Author Trigub Serge. B&M&T Corp.                                       *

;*           10 January 1993                                                 *

;*                                                                           *

;*****************************************************************************/

enum CPU_Type

{

	i80286       =0x01,

	i80386       =0x02,

	i80486       =0x03,

	i80586       =0x04,

	i860_N10     =0x20,

	i860_N11     =0x21,

	MIPS_Mark_I  =0x40,

	MIPS_Mark_II =0x41,

	MIPS_Mark_III=0x42

};

struct Module_Type_Flags

{

	unsigned long Module_Is_DLL        [1];

	unsigned long Reserved1            [1];

	unsigned long Errors_In_Module     [1];

	unsigned long Reserved2            [1];

	unsigned long Code_Load_Application[1];

	unsigned long Application_Type     [3];

	unsigned long Reserved3            [2];

	unsigned long No_External_FIXUP    [1];

	unsigned long No_Internal_FIXUP    [1];

	unsigned long Protected_Mode_Only  [1];

	unsigned long Global_Initialization[1];

	unsigned long Multipledata         [1];

	unsigned long Singledata           [1];

};

struct LE_Header

{

	unsigned short Signature;	// Signature 'LE' for exe header

	unsigned char Byte_Order;

	unsigned char Word_Order;

	unsigned long Exec_Format_Level;

	unsigned short CPU_Type;

	unsigned short Target_OS;

	unsigned long Module_Version;

	union{

		unsigned long Type_Flags;

		Module_Type_Flags Flags;

	};

	unsigned long Number_Of_Memory_Pages;

	unsigned long Initial_CS;

	unsigned long Initial_EI;

	unsigned long Initial_SS;

	unsigned long Initial_ESP;

	unsigned long Memory_Page_Size;

	unsigned long Bytes_On_Last_Page;

	unsigned long Fixup_Section_Size;

	unsigned long Fixup_Section_Checksum;

	unsigned long Loader_Section_Size;

	unsigned long Loader_Section_CheckSum;

	unsigned long Object_Table_Offset;

	unsigned long Object_Table_Entries;

	unsigned long Object_Page_Map_Table_Offset;

	unsigned long Object_Iterate_Data_Map_Offset;

	unsigned long Resource_Table_Offset;

	unsigned long Resource_Table_Entries;

	unsigned long Resident_Names_Table_Offset;

	unsigned long Entry_Table_Offset;

	unsigned long Module_Directives_Table_Offset;

	unsigned long Module_Directives_Table_Entries;

	unsigned long Fixup_Page_Table_Offset;

	unsigned long Fixup_Record_Table_Offset;

	unsigned long Imported_Module_Names_Table_Offset;

	unsigned long Imported_Modules_Count;

	unsigned long Imported_Procedure_Name_Table_Offset;

	unsigned long Per_page_Checksum_Table_Offset;

	unsigned long Data_Pages_Offset;

	unsigned long Preload_Page_Count;

	unsigned long Nonresident_Names_Table_Offset;

	unsigned long Nonresident_Names_Table_Length;

	unsigned long Nonresident_Names_Table_Checksum;

	unsigned long Automatic_Data_Object;

	unsigned long Debug_Information_Offset;

	unsigned long Debug_Information_Length;

	unsigned long Preload_Instance_Pages_Number;

	unsigned long Demand_Instance_Pages_Number;

	unsigned long Extra_Heap_Allocation;

	unsigned long Unknown[1];

};

struct OBJ_FLAGS

{

	unsigned long I_O_Privilage_Level  [1];

	unsigned long Conforming_Segment   [1];

	unsigned long BIG_Segment          [1];

	unsigned long Alias_16_16          [1];

	unsigned long Reserved             [1];

	unsigned long Resident_Long_Locable[1];

	unsigned long Segment_Type         [2];

	unsigned long Segment_Invalid      [1];

	unsigned long Segment_Preloaded    [1];

	unsigned long Segment_Shared       [1];

	unsigned long Segment_Discardable  [1];

	unsigned long Segment_Resource     [1];

	unsigned long Segment_Executable   [1];

	unsigned long Segment_Writable     [1];

	unsigned long Segment_Readable     [1];

};

struct Object_Table

{

	unsigned long Virtual_Segment_Size;

	unsigned long Relocation_Base_Address;

	union {

		unsigned long ObjTableFlags;

		OBJ_FLAGS FLAGS;

	};

	unsigned long Page_MAP_Index;

	unsigned long Page_MAP_Entries;

	unsigned long Reserved;

};

enum {

	Segment_Type_Normal,

	Segment_Zero_Filled,

	Segment_Resident,

	Segment_Resident_contiguous

};

struct PM_FLAGS

{

	unsigned char Page_Type:2;

	unsigned char Reserved :6;

	unsigned char End_Page :2;

};

struct Page_Map_Table

{

	unsigned short High_Page_Number;

	unsigned char Low_Page_Number;

//	union{

//		PM_FLAGS SFLAGS;

		unsigned char FLAGS;

//	};

};

enum{//LE_PM_FLG_Page_Type_Enum        ENUM    {

	Legal_Page      =0,

	Iterated_Page   =1,

	Invalid_Page    =2,

	Zero_Filled_Page=3

};

struct Entry_Table

{

	unsigned char Number_of_Entries;

	unsigned char Bungle_Flags;

	unsigned short Object_Index;

//LE_Entry_First_Entry            equ     $

};

struct Entry

{

	unsigned char Entry_Flags;

	union{

		unsigned short Word_Offset;

		unsigned long Dword_Offset;

	};

};

struct Entry_Bungle_Flags

{

	unsigned char Bits_Entry :1;

	unsigned char Valid_Entry:1;

};

struct Fixup_Record_Table

{

	unsigned char Relocation_Address_Type;

	unsigned char Relocation_Type;

	unsigned short Relocation_Page_Offset;

	unsigned char Segment_or_Module_Index;

	unsigned short Offset_Or_Ordinal_Value;

};

struct Rel_Addr_Type

{

	unsigned char Repeat_Offset       :1;

	unsigned char Target_OFFSET_Absent:1;

	unsigned char Rel_Addr_Type       [4];

};

enum// LE_Relocation_Address_Type_ENUM

{

RA_Low_Byte           =0,

RA_16_bits_selector   =2,

RA_32_bits_Far_Pointer=3,

RA_16_bits_Offset     =5,

RA_48_bits_Far_Pointer=6,

RA_32_bits_Offset     =7,

RA_32_bits_EIP_Rel    =8

};

struct Reloc_Type

{

	unsigned char Ordinal_Byte    :1;

	unsigned char Reserv1         :1;

	unsigned char ABS_Dword       :1;

	unsigned char Target_Offset_32:1;

	unsigned char Reserv2         :1;

	unsigned char ADDITIVE_Type   :1;

	unsigned char Reloc_Type      [2];

};

enum //LE_Relocation_Type_ENUM

{

	Internal_Reference=0,

	Imported_Ordinal  =1,

	Imported_Name     =2,

	OS_FIXUP          =3

};