Add LE information block

BurnOutSharp.Models/LinearExecutable/Enums.cs

@@ -0,0 +1,143 @@
+using System;
+
+namespace BurnOutSharp.Models.LinearExecutable
+{
+    public enum ByteOrder : byte
+    {
+        /// <summary>
+        /// little-endian
+        /// </summary>
+        LE = 0x00,
+
+        /// <summary>
+        /// big-endian
+        /// </summary>
+        /// <remarks>non-zero</remarks>
+        BE = 0x01,
+    }
+
+    public enum CPUType : ushort
+    {
+        /// <summary>
+        /// Intel 80286 or upwardly compatible
+        /// </summary>
+        Intel80286 = 0x01,
+
+        /// <summary>
+        /// Intel 80386 or upwardly compatible
+        /// </summary>
+        Intel80386 = 0x02,
+
+        /// <summary>
+        /// Intel 80486 or upwardly compatible
+        /// </summary>
+        Intel80486 = 0x03,
+
+        /// <summary>
+        /// Intel 80586 or upwardly compatible
+        /// </summary>
+        Intel80586 = 0x04,
+
+        /// <summary>
+        /// Intel i860 (N10) or compatible
+        /// </summary>
+        Inteli860 = 0x20,
+
+        /// <summary>
+        /// Intel "N11" or compatible
+        /// </summary>
+        IntelN11 = 0x21,
+
+        /// <summary>
+        /// MIPS Mark I (R2000, R3000) or compatible
+        /// </summary>
+        MIPSMarkI = 0x40,
+
+        /// <summary>
+        /// MIPS Mark II ( R6000 ) or compatible
+        /// </summary>
+        MIPSMarkII = 0x41,
+
+        /// <summary>
+        /// MIPS Mark III ( R4000 ) or compatible
+        /// </summary>
+        MIPSMarkIII = 0x42,
+    }
+
+    [Flags]
+    public enum InformationBlockFlag : uint
+    {
+        /// <summary>
+        /// Initialization (Only for DLL):
+        /// 0 	Global
+        /// 1 	Per-Process
+        /// </summary>
+        Initialization = 1 << 2,
+
+        /// <summary>
+        /// No internal fixup in exe image
+        /// </summary>
+        NoInternalFixup = 1 << 4,
+
+        /// <summary>
+        /// No internal fixup in exe image
+        /// </summary>
+        NoExternalFixup = 1 << 5,
+
+        // TODO: Figure out this block of flags
+        // 8, 9, 10 all have the same note:
+        // 0 	Unknown
+        // 1 	Incompatible with PM windowing
+        // 2 	Compatible with PM windowing
+        // 3 	Uses PM windowing API
+
+        /// <summary>
+        /// Module not loadable
+        /// </summary>
+        ModuleNotLoadable = 1 << 13,
+
+        /// <summary>
+        /// Module is DLL rather then program
+        /// </summary>
+        IsDLL = 1 << 15,
+
+        // Bits 16-31 are all reserved
+    }
+
+    public enum OperatingSystem : ushort
+    {
+        /// <summary>
+        /// OS/2
+        /// </summary>
+        OS2 = 0x01,
+
+        /// <summary>
+        /// Windows
+        /// </summary>
+        Windows = 0x02,
+
+        /// <summary>
+        /// DOS 4.x
+        /// </summary>
+        DOS4x = 0x03,
+
+        /// <summary>
+        /// Windows 386
+        /// </summary>
+        Windows386 = 0x04,
+    }
+
+    public enum WordOrder : byte
+    {
+        /// <summary>
+        /// little-endian
+        /// </summary>
+        LE = 0x00,
+
+        /// <summary>
+        /// big-endian
+        /// </summary>
+        /// <remarks>non-zero</remarks>
+        BE = 0x01,
+    }
+}

BurnOutSharp.Models/LinearExecutable/Executable.cs

@@ -14,5 +14,27 @@ namespace BurnOutSharp.Models.LinearExecutable
         /// MS-DOS executable header
         /// </summary>
         public MSDOS.ExecutableHeader Stub { get; set; }
+
+        /// <summary>
+        /// Information block
+        /// </summary>
+        public InformationBlock InformationBlock { get; set; }
+
+        // TODO: Object table
+        // TODO: Object page map table
+        // TODO: Object iterate data map table
+        // TODO: Resource table
+        // TODO: Resident-names table
+        // TODO: Entry table
+        // TODO: Module directives table
+        // TODO: Fix-up page table
+        // TODO: Fix-up record table
+        // TODO: Imported modules name table
+        // TODO: Imported procedures name table
+        // TODO: Per-page checksum table
+
+        // TODO: Code or Data Segment X
+
+        // TODO: Non-resident table
     }
 }

BurnOutSharp.Models/LinearExecutable/InformationBlock.cs

@@ -0,0 +1,252 @@
+using System.Runtime.InteropServices;
+
+namespace BurnOutSharp.Models.LinearExecutable
+{
+    /// <summary>
+    /// The `information block` in the LE header contains the linker version number,
+    /// length of various tables that further describe the executable file, the
+    /// offsets from the beginning of the header to the beginning of these tables,
+    /// the heap and stack sizes, and so on. The following list summarizes the
+    /// contents of the header `information block` (the locations are relative to
+    /// the beginning of the block):
+    /// </summary>
+    /// <see href="https://faydoc.tripod.com/formats/exe-LE.htm"/>
+    [StructLayout(LayoutKind.Sequential)]
+    public class InformationBlock
+    {
+        /// <summary>
+        /// Specifies the signature word 'LE' (4Ch 45H)
+        /// </summary>
+        public char[] Signature;
+
+        /// <summary>
+        /// Byte order
+        /// </summary>
+        public ByteOrder ByteOrder;
+
+        /// <summary>
+        /// Word order
+        /// </summary>
+        public WordOrder WordOrder;
+
+        /// <summary>
+        /// Executable format level
+        /// </summary>
+        public uint ExecutableFormatLevel;
+
+        /// <summary>
+        /// CPU type
+        /// </summary>
+        public CPUType CPUType;
+
+        /// <summary>
+        /// Target operating system
+        /// </summary>
+        public OperatingSystem TargetOperatingSystem;
+
+        /// <summary>
+        /// Module version
+        /// </summary>
+        public uint ModuleVersion;
+
+        /// <summary>
+        /// Module type flags
+        /// </summary>
+        public InformationBlockFlag ModuleTypeFlags;
+
+        /// <summary>
+        /// Number of memory pages
+        /// </summary>
+        public uint MemoryPageCount;
+
+        /// <summary>
+        /// Initial object CS number
+        /// </summary>
+        public uint InitialObjectCS;
+
+        /// <summary>
+        /// Initial EIP
+        /// </summary>
+        public uint InitialEIP;
+
+        /// <summary>
+        /// Initial object SS number
+        /// </summary>
+        public uint InitialObjectSS;
+
+        /// <summary>
+        /// Initial ESP
+        /// </summary>
+        public uint InitialESP;
+
+        /// <summary>
+        /// Memory page size
+        /// </summary>
+        public uint MemoryPageSize;
+
+        /// <summary>
+        /// Bytes on last page
+        /// </summary>
+        public uint BytesOnLastPage;
+
+        /// <summary>
+        /// Fix-up section size
+        /// </summary>
+        public uint FixupSectionSize;
+
+        /// <summary>
+        /// Fix-up section checksum
+        /// </summary>
+        public uint FixupSectionChecksum;
+
+        /// <summary>
+        /// Loader section size
+        /// </summary>
+        public uint LoaderSectionSize;
+
+        /// <summary>
+        /// Loader section checksum
+        /// </summary>
+        public uint LoaderSectionChecksum;
+
+        /// <summary>
+        /// Offset of object table
+        /// </summary>
+        public uint ObjectTableOffset;
+
+        /// <summary>
+        /// Object table entries
+        /// </summary>
+        public uint ObjectTableCount;
+
+        /// <summary>
+        /// Object page map offset
+        /// </summary>
+        public uint ObjectPageMapOffset;
+
+        /// <summary>
+        /// Object iterate data map offset
+        /// </summary>
+        public uint ObjectIterateDataMapOffset;
+
+        /// <summary>
+        /// Resource table offset
+        /// </summary>
+        public uint ResourceTableOffset;
+
+        /// <summary>
+        /// Resource table entries
+        /// </summary>
+        public uint ResourceTableCount;
+
+        /// <summary>
+        /// Resident names table offset
+        /// </summary>
+        public uint ResidentNamesTableOffset;
+
+        /// <summary>
+        /// Entry table offset
+        /// </summary>
+        public uint EntryTableOffset;
+
+        /// <summary>
+        /// Module directives table offset
+        /// </summary>
+        public uint ModuleDirectivesTableOffset;
+
+        /// <summary>
+        /// Module directives entries
+        /// </summary>
+        public uint ModuleDirectivesCount;
+
+        /// <summary>
+        /// Fix-up page table offset
+        /// </summary>
+        public uint FixupPageTableOffset;
+
+        /// <summary>
+        /// Fix-up record table offset
+        /// </summary>
+        public uint FixupRecordTableOffset;
+
+        /// <summary>
+        /// Imported modules name table offset
+        /// </summary>
+        public uint ImportedModulesNameTableOffset;
+
+        /// <summary>
+        /// Imported modules count
+        /// </summary>
+        public uint ImportedModulesCount;
+
+        /// <summary>
+        /// Imported procedure name table offset
+        /// </summary>
+        public uint ImportedProcedureNameTableOffset;
+
+        /// <summary>
+        /// Per-page checksum table offset
+        /// </summary>
+        public uint PerPageChecksumTableOffset;
+
+        /// <summary>
+        /// Data pages offset from top of file
+        /// </summary>
+        public uint DataPagesOffset;
+
+        /// <summary>
+        /// Preload page count
+        /// </summary>
+        public uint PreloadPageCount;
+
+        /// <summary>
+        /// Non-resident names table offset from top of file
+        /// </summary>
+        public uint NonresidentNamesTableOffset;
+
+        /// <summary>
+        /// Non-resident names table length
+        /// </summary>
+        public uint NonresidentNamesTableLength;
+
+        /// <summary>
+        /// Non-resident names table checksum
+        /// </summary>
+        public uint NonresidentNamesTableChecksum;
+
+        /// <summary>
+        /// Automatic data object
+        /// </summary>
+        public uint AutomaticDataObject;
+
+        /// <summary>
+        /// Debug information offset
+        /// </summary>
+        public uint DebugInformationOffset;
+
+        /// <summary>
+        /// Debug information length
+        /// </summary>
+        public uint DebugInformationLength;
+
+        /// <summary>
+        /// Preload instance pages number
+        /// </summary>
+        public uint PreloadInstancePagesNumber;
+
+        /// <summary>
+        /// Demand instance pages number
+        /// </summary>
+        public uint DemandInstancePagesNumber;
+
+        /// <summary>
+        /// Extra heap allocation
+        /// </summary>
+        public uint ExtraHeapAllocation;
+
+        /// <summary>
+        /// ???
+        /// </summary>
+        public uint Reserved;
+    }
+}